# This file was @generated by crate2nix 0.9.0-alpha.1 with the command:
#   "generate"
# See https://github.com/kolloch/crate2nix for more info.

{ nixpkgs ? <nixpkgs>
, pkgs ? import nixpkgs { config = {}; }
, lib ? pkgs.lib
, stdenv ? pkgs.stdenv
, buildRustCrate ? pkgs.buildRustCrate
  # This is used as the `crateOverrides` argument for `buildRustCrate`.
, defaultCrateOverrides ? pkgs.defaultCrateOverrides
  # The features to enable for the root_crate or the workspace_members.
, rootFeatures ? [ "default" ]
  # If true, throw errors instead of issueing deprecation warnings.
, strictDeprecation ? false
  # Used for conditional compilation based on CPU feature detection.
, targetFeatures ? []
  # Whether to perform release builds: longer compile times, faster binaries.
, release ? true
  # Additional crate2nix configuration if it exists.
, crateConfig
  ? if builtins.pathExists ./crate-config.nix
    then pkgs.callPackage ./crate-config.nix {}
    else {}
}:

rec {
  #
  # "public" attributes that we attempt to keep stable with new versions of crate2nix.
  #

  rootCrate = rec {
    packageId = "lightspeed-ingest";

    # Use this attribute to refer to the derivation building your root crate package.
    # You can override the features with rootCrate.build.override { features = [ "default" "feature1" ... ]; }.
    build = internal.buildRustCrateWithFeatures {
      inherit packageId;
    };

    # Debug support which might change between releases.
    # File a bug if you depend on any for non-debug work!
    debug = internal.debugCrate { inherit packageId; };
  };
  # Refer your crate build derivation by name here.
  # You can override the features with
  # workspaceMembers."${crateName}".build.override { features = [ "default" "feature1" ... ]; }.
  workspaceMembers = {
    "lightspeed-ingest" = rec {
      packageId = "lightspeed-ingest";
      build = internal.buildRustCrateWithFeatures {
        packageId = "lightspeed-ingest";
      };

      # Debug support which might change between releases.
      # File a bug if you depend on any for non-debug work!
      debug = internal.debugCrate { inherit packageId; };
    };
  };

  # A derivation that joins the outputs of all workspace members together.
  allWorkspaceMembers = pkgs.symlinkJoin {
      name = "all-workspace-members";
      paths =
        let members = builtins.attrValues workspaceMembers;
        in builtins.map (m: m.build) members;
  };

  #
  # "internal" ("private") attributes that may change in every new version of crate2nix.
  #

  internal = rec {
    # Build and dependency information for crates.
    # Many of the fields are passed one-to-one to buildRustCrate.
    #
    # Noteworthy:
    # * `dependencies`/`buildDependencies`: similar to the corresponding fields for buildRustCrate.
    #   but with additional information which is used during dependency/feature resolution.
    # * `resolvedDependencies`: the selected default features reported by cargo - only included for debugging.
    # * `devDependencies` as of now not used by `buildRustCrate` but used to
    #   inject test dependencies into the build

    crates = {
      "aho-corasick" = rec {
        crateName = "aho-corasick";
        version = "0.7.15";
        edition = "2015";
        sha256 = "1rb8gzhljl8r87dpf2n5pnqnkl694casgns4ma0sqzd4zazzw13l";
        libName = "aho_corasick";
        authors = [
          "Andrew Gallant <jamslam@gmail.com>"
        ];
        dependencies = [
          {
            name = "memchr";
            packageId = "memchr";
            usesDefaultFeatures = false;
          }
        ];
        features = {
          "default" = [ "std" ];
          "std" = [ "memchr/use_std" ];
        };
        resolvedDefaultFeatures = [ "default" "std" ];
      };
      "autocfg" = rec {
        crateName = "autocfg";
        version = "1.0.1";
        edition = "2015";
        sha256 = "0jj6i9zn4gjl03kjvziqdji6rwx8ykz8zk2ngpc331z2g3fk3c6d";
        authors = [
          "Josh Stone <cuviper@gmail.com>"
        ];
        
      };
      "bitflags" = rec {
        crateName = "bitflags";
        version = "1.2.1";
        edition = "2015";
        sha256 = "14qnd5nq8p2almk79m4m8ydqhd413yaxsyjp5xd19g3mikzf47fg";
        authors = [
          "The Rust Project Developers"
        ];
        features = {
        };
        resolvedDefaultFeatures = [ "default" ];
      };
      "bumpalo" = rec {
        crateName = "bumpalo";
        version = "3.4.0";
        edition = "2018";
        sha256 = "082qig1vxlklb9qwkg3j4hpfxb4b5blm59ln21njfc2p01zhi31f";
        authors = [
          "Nick Fitzgerald <fitzgen@gmail.com>"
        ];
        features = {
        };
        resolvedDefaultFeatures = [ "default" ];
      };
      "bytes 0.5.6" = rec {
        crateName = "bytes";
        version = "0.5.6";
        edition = "2018";
        sha256 = "0f5s7xq6qzmdh22ygsy8v0sp02m51y0radvq4i4y8cizy1lfqk0f";
        authors = [
          "Carl Lerche <me@carllerche.com>"
          "Sean McArthur <sean@seanmonstar.com>"
        ];
        features = {
          "default" = [ "std" ];
        };
        resolvedDefaultFeatures = [ "default" "std" ];
      };
      "bytes 0.6.0" = rec {
        crateName = "bytes";
        version = "0.6.0";
        edition = "2018";
        sha256 = "05ivrcbgl4f7z2zzm9hbsi8cy66spi70xlm6fp16zsq4ylsvrp70";
        authors = [
          "Carl Lerche <me@carllerche.com>"
          "Sean McArthur <sean@seanmonstar.com>"
        ];
        features = {
          "default" = [ "std" ];
        };
        resolvedDefaultFeatures = [ "default" "std" ];
      };
      "cc" = rec {
        crateName = "cc";
        version = "1.0.66";
        edition = "2018";
        crateBin = [];
        sha256 = "0j7d7h4n81z5f22l3v8ggjvvw8m64636nlaqax4x1y44da1rc12c";
        authors = [
          "Alex Crichton <alex@alexcrichton.com>"
        ];
        features = {
          "parallel" = [ "jobserver" ];
        };
      };
      "cfg-if 0.1.10" = rec {
        crateName = "cfg-if";
        version = "0.1.10";
        edition = "2018";
        sha256 = "08h80ihs74jcyp24cd75wwabygbbdgl05k6p5dmq8akbr78vv1a7";
        authors = [
          "Alex Crichton <alex@alexcrichton.com>"
        ];
        features = {
          "rustc-dep-of-std" = [ "core" "compiler_builtins" ];
        };
      };
      "cfg-if 1.0.0" = rec {
        crateName = "cfg-if";
        version = "1.0.0";
        edition = "2018";
        sha256 = "1za0vb97n4brpzpv8lsbnzmq5r8f2b0cpqqr0sy8h5bn751xxwds";
        authors = [
          "Alex Crichton <alex@alexcrichton.com>"
        ];
        features = {
          "rustc-dep-of-std" = [ "core" "compiler_builtins" ];
        };
      };
      "cloudabi" = rec {
        crateName = "cloudabi";
        version = "0.0.3";
        edition = "2015";
        sha256 = "0kxcg83jlihy0phnd2g8c2c303px3l2p3pkjz357ll6llnd5pz6x";
        libPath = "cloudabi.rs";
        authors = [
          "Nuxi (https://nuxi.nl/) and contributors"
        ];
        dependencies = [
          {
            name = "bitflags";
            packageId = "bitflags";
            optional = true;
          }
        ];
        features = {
          "default" = [ "bitflags" ];
        };
        resolvedDefaultFeatures = [ "bitflags" "default" ];
      };
      "fuchsia-cprng" = rec {
        crateName = "fuchsia-cprng";
        version = "0.1.1";
        edition = "2018";
        sha256 = "1fnkqrbz7ixxzsb04bsz9p0zzazanma8znfdqjvh39n14vapfvx0";
        authors = [
          "Erick Tryzelaar <etryzelaar@google.com>"
        ];
        
      };
      "futures" = rec {
        crateName = "futures";
        version = "0.3.7";
        edition = "2018";
        sha256 = "15s77p4dln00clg5br9sw0rg01ir18z747b22nigvysgb0w4sccm";
        authors = [
          "Alex Crichton <alex@alexcrichton.com>"
        ];
        dependencies = [
          {
            name = "futures-channel";
            packageId = "futures-channel";
            usesDefaultFeatures = false;
            features = [ "sink" ];
          }
          {
            name = "futures-core";
            packageId = "futures-core";
            usesDefaultFeatures = false;
          }
          {
            name = "futures-executor";
            packageId = "futures-executor";
            optional = true;
            usesDefaultFeatures = false;
          }
          {
            name = "futures-io";
            packageId = "futures-io";
            usesDefaultFeatures = false;
          }
          {
            name = "futures-sink";
            packageId = "futures-sink";
            usesDefaultFeatures = false;
          }
          {
            name = "futures-task";
            packageId = "futures-task";
            usesDefaultFeatures = false;
          }
          {
            name = "futures-util";
            packageId = "futures-util";
            usesDefaultFeatures = false;
            features = [ "sink" ];
          }
        ];
        features = {
          "alloc" = [ "futures-core/alloc" "futures-task/alloc" "futures-sink/alloc" "futures-channel/alloc" "futures-util/alloc" ];
          "async-await" = [ "futures-util/async-await" "futures-util/async-await-macro" ];
          "bilock" = [ "futures-util/bilock" ];
          "cfg-target-has-atomic" = [ "futures-core/cfg-target-has-atomic" "futures-task/cfg-target-has-atomic" "futures-channel/cfg-target-has-atomic" "futures-util/cfg-target-has-atomic" ];
          "compat" = [ "std" "futures-util/compat" ];
          "default" = [ "std" "async-await" "executor" ];
          "executor" = [ "std" "futures-executor/std" ];
          "io-compat" = [ "compat" "futures-util/io-compat" ];
          "read-initializer" = [ "futures-io/read-initializer" "futures-util/read-initializer" ];
          "std" = [ "alloc" "futures-core/std" "futures-task/std" "futures-io/std" "futures-sink/std" "futures-util/std" "futures-util/io" "futures-util/channel" ];
          "thread-pool" = [ "executor" "futures-executor/thread-pool" ];
          "unstable" = [ "futures-core/unstable" "futures-task/unstable" "futures-channel/unstable" "futures-io/unstable" "futures-util/unstable" ];
          "write-all-vectored" = [ "futures-util/write-all-vectored" ];
        };
        resolvedDefaultFeatures = [ "alloc" "async-await" "default" "executor" "futures-executor" "std" ];
      };
      "futures-channel" = rec {
        crateName = "futures-channel";
        version = "0.3.7";
        edition = "2018";
        sha256 = "0lf1qb3bnydlwl49lmlkza6amak3i79axi3ssgp3500l055ifj04";
        authors = [
          "Alex Crichton <alex@alexcrichton.com>"
        ];
        dependencies = [
          {
            name = "futures-core";
            packageId = "futures-core";
            usesDefaultFeatures = false;
          }
          {
            name = "futures-sink";
            packageId = "futures-sink";
            optional = true;
            usesDefaultFeatures = false;
          }
        ];
        features = {
          "alloc" = [ "futures-core/alloc" ];
          "cfg-target-has-atomic" = [ "futures-core/cfg-target-has-atomic" ];
          "default" = [ "std" ];
          "sink" = [ "futures-sink" ];
          "std" = [ "alloc" "futures-core/std" ];
          "unstable" = [ "futures-core/unstable" ];
        };
        resolvedDefaultFeatures = [ "alloc" "futures-sink" "sink" "std" ];
      };
      "futures-core" = rec {
        crateName = "futures-core";
        version = "0.3.7";
        edition = "2018";
        sha256 = "0ijf1nhhwigjxl69gjh8yp3v9qrwzxn04fgai0nfsjwq09hsbshq";
        authors = [
          "Alex Crichton <alex@alexcrichton.com>"
        ];
        features = {
          "default" = [ "std" ];
          "std" = [ "alloc" ];
        };
        resolvedDefaultFeatures = [ "alloc" "default" "std" ];
      };
      "futures-executor" = rec {
        crateName = "futures-executor";
        version = "0.3.7";
        edition = "2018";
        sha256 = "1jq8nxaf7pw0c2z0dw47x68d6rlnxwbxmgcfwy2ymfla4p4y1y7m";
        authors = [
          "Alex Crichton <alex@alexcrichton.com>"
        ];
        dependencies = [
          {
            name = "futures-core";
            packageId = "futures-core";
            usesDefaultFeatures = false;
          }
          {
            name = "futures-task";
            packageId = "futures-task";
            usesDefaultFeatures = false;
          }
          {
            name = "futures-util";
            packageId = "futures-util";
            usesDefaultFeatures = false;
          }
        ];
        features = {
          "default" = [ "std" ];
          "std" = [ "futures-core/std" "futures-task/std" "futures-util/std" ];
          "thread-pool" = [ "std" "num_cpus" ];
        };
        resolvedDefaultFeatures = [ "std" ];
      };
      "futures-io" = rec {
        crateName = "futures-io";
        version = "0.3.7";
        edition = "2018";
        sha256 = "0ayxbl36z81bmzx2s3dq3nl7mkjqkycsl4kv9aagy9s79a2rh5vf";
        authors = [
          "Alex Crichton <alex@alexcrichton.com>"
        ];
        features = {
          "default" = [ "std" ];
        };
        resolvedDefaultFeatures = [ "std" ];
      };
      "futures-macro" = rec {
        crateName = "futures-macro";
        version = "0.3.7";
        edition = "2018";
        sha256 = "1zlyallwjz4fx0kr8j7dgxfncfvwc9y04rfj2i53nmjqzkrwqvz3";
        procMacro = true;
        authors = [
          "Taylor Cramer <cramertj@google.com>"
          "Taiki Endo <te316e89@gmail.com>"
        ];
        dependencies = [
          {
            name = "proc-macro-hack";
            packageId = "proc-macro-hack";
          }
          {
            name = "proc-macro2";
            packageId = "proc-macro2";
          }
          {
            name = "quote";
            packageId = "quote";
          }
          {
            name = "syn";
            packageId = "syn";
            features = [ "full" ];
          }
        ];
        
      };
      "futures-sink" = rec {
        crateName = "futures-sink";
        version = "0.3.7";
        edition = "2018";
        sha256 = "048b183c63vjf8cb715ckpl6yfibbg9sgxrxbnp0923fgpqs6g0f";
        authors = [
          "Alex Crichton <alex@alexcrichton.com>"
        ];
        features = {
          "default" = [ "std" ];
          "std" = [ "alloc" ];
        };
        resolvedDefaultFeatures = [ "alloc" "default" "std" ];
      };
      "futures-task" = rec {
        crateName = "futures-task";
        version = "0.3.7";
        edition = "2018";
        sha256 = "0g6fg21dr0ivdgkc3p69xshzi0s66wzg0ga5k7plyv0q6yph5mcn";
        authors = [
          "Alex Crichton <alex@alexcrichton.com>"
        ];
        dependencies = [
          {
            name = "once_cell";
            packageId = "once_cell";
            optional = true;
            usesDefaultFeatures = false;
            features = [ "std" ];
          }
        ];
        features = {
          "default" = [ "std" ];
          "std" = [ "alloc" "once_cell" ];
        };
        resolvedDefaultFeatures = [ "alloc" "once_cell" "std" ];
      };
      "futures-util" = rec {
        crateName = "futures-util";
        version = "0.3.7";
        edition = "2018";
        sha256 = "0d4fpcanr1n7iaqn1l7sbmqgs97p2nl8lys2mklg7rk25ws49jxb";
        authors = [
          "Alex Crichton <alex@alexcrichton.com>"
        ];
        dependencies = [
          {
            name = "futures-channel";
            packageId = "futures-channel";
            optional = true;
            usesDefaultFeatures = false;
            features = [ "std" ];
          }
          {
            name = "futures-core";
            packageId = "futures-core";
            usesDefaultFeatures = false;
          }
          {
            name = "futures-io";
            packageId = "futures-io";
            optional = true;
            usesDefaultFeatures = false;
            features = [ "std" ];
          }
          {
            name = "futures-macro";
            packageId = "futures-macro";
            optional = true;
            usesDefaultFeatures = false;
          }
          {
            name = "futures-sink";
            packageId = "futures-sink";
            optional = true;
            usesDefaultFeatures = false;
          }
          {
            name = "futures-task";
            packageId = "futures-task";
            usesDefaultFeatures = false;
          }
          {
            name = "memchr";
            packageId = "memchr";
            optional = true;
          }
          {
            name = "pin-project";
            packageId = "pin-project";
          }
          {
            name = "pin-utils";
            packageId = "pin-utils";
          }
          {
            name = "proc-macro-hack";
            packageId = "proc-macro-hack";
            optional = true;
          }
          {
            name = "proc-macro-nested";
            packageId = "proc-macro-nested";
            optional = true;
          }
          {
            name = "slab";
            packageId = "slab";
            optional = true;
          }
        ];
        features = {
          "alloc" = [ "futures-core/alloc" "futures-task/alloc" ];
          "async-await-macro" = [ "async-await" "futures-macro" "proc-macro-hack" "proc-macro-nested" ];
          "cfg-target-has-atomic" = [ "futures-core/cfg-target-has-atomic" "futures-task/cfg-target-has-atomic" ];
          "channel" = [ "std" "futures-channel" ];
          "compat" = [ "std" "futures_01" ];
          "default" = [ "std" "async-await" "async-await-macro" ];
          "io" = [ "std" "futures-io" "memchr" ];
          "io-compat" = [ "io" "compat" "tokio-io" ];
          "read-initializer" = [ "io" "futures-io/read-initializer" "futures-io/unstable" ];
          "sink" = [ "futures-sink" ];
          "std" = [ "alloc" "futures-core/std" "futures-task/std" "slab" ];
          "unstable" = [ "futures-core/unstable" "futures-task/unstable" ];
          "write-all-vectored" = [ "io" ];
        };
        resolvedDefaultFeatures = [ "alloc" "async-await" "async-await-macro" "channel" "default" "futures-channel" "futures-io" "futures-macro" "futures-sink" "io" "memchr" "proc-macro-hack" "proc-macro-nested" "sink" "slab" "std" ];
      };
      "hermit-abi" = rec {
        crateName = "hermit-abi";
        version = "0.1.17";
        edition = "2018";
        sha256 = "1s1ss7xypnbpjglmj5k39svzsmni1rqp57a91qi5pyv0yxjmbjjs";
        authors = [
          "Stefan Lankes"
        ];
        dependencies = [
          {
            name = "libc";
            packageId = "libc";
            usesDefaultFeatures = false;
          }
        ];
        features = {
          "rustc-dep-of-std" = [ "core" "compiler_builtins/rustc-dep-of-std" "libc/rustc-dep-of-std" ];
        };
        resolvedDefaultFeatures = [ "default" ];
      };
      "hex" = rec {
        crateName = "hex";
        version = "0.4.2";
        edition = "2018";
        sha256 = "0dbf00j3h3pz0lw8jp245rwypna6i23l4cpvym8gsczin9c92kv4";
        authors = [
          "KokaKiwi <kokakiwi@kokakiwi.net>"
        ];
        features = {
          "default" = [ "std" ];
        };
        resolvedDefaultFeatures = [ "default" "std" ];
      };
      "instant" = rec {
        crateName = "instant";
        version = "0.1.9";
        edition = "2018";
        sha256 = "1v659qqm55misvjijfbl1p7azjp4yynjbwldan8836ynpgp4w4k1";
        authors = [
          "sebcrozet <developer@crozet.re>"
        ];
        dependencies = [
          {
            name = "cfg-if";
            packageId = "cfg-if 1.0.0";
          }
        ];
        features = {
          "now" = [ "time" ];
          "wasm-bindgen" = [ "js-sys" "wasm-bindgen_rs" "web-sys" ];
        };
      };
      "js-sys" = rec {
        crateName = "js-sys";
        version = "0.3.46";
        edition = "2018";
        sha256 = "0xc1llkp23q8ac2wdwh46y6gjbc34prrd98g5my9qz4zja1p6gfg";
        authors = [
          "The wasm-bindgen Developers"
        ];
        dependencies = [
          {
            name = "wasm-bindgen";
            packageId = "wasm-bindgen";
          }
        ];
        
      };
      "lazy_static" = rec {
        crateName = "lazy_static";
        version = "1.4.0";
        edition = "2015";
        sha256 = "0in6ikhw8mgl33wjv6q6xfrb5b9jr16q8ygjy803fay4zcisvaz2";
        authors = [
          "Marvin Löbel <loebel.marvin@gmail.com>"
        ];
        features = {
          "spin_no_std" = [ "spin" ];
        };
      };
      "libc" = rec {
        crateName = "libc";
        version = "0.2.79";
        edition = "2015";
        sha256 = "0hw7qnlymw5gi5c3xd7mirpgrc5l0pvqpjg9jb3vzqw0dq3gcj14";
        authors = [
          "The Rust Project Developers"
        ];
        features = {
          "default" = [ "std" ];
          "rustc-dep-of-std" = [ "align" "rustc-std-workspace-core" ];
          "use_std" = [ "std" ];
        };
        resolvedDefaultFeatures = [ "align" "default" "std" ];
      };
      "lightspeed-ingest" = rec {
        crateName = "lightspeed-ingest";
        version = "0.1.0";
        edition = "2018";
        crateBin = [
          { name = "lightspeed-ingest"; path = "src/main.rs"; }
        ];
        workspace_member = null;
        src = pkgs.fetchgit {
          url = "https://github.com/GRVYDEV/lightspeed-ingest";
          rev = "6e7756d427e409480d183a4e2211f0dca38629b1";
          sha256 = "145fqxwzvkcpg94b9f9annqf29nyjaign6yins3jkhsz8zbqcv99";
        };
        authors = [
          "Garrett Graves <gravesg57@gmail.com>"
        ];
        dependencies = [
          {
            name = "bytes";
            packageId = "bytes 0.5.6";
          }
          {
            name = "futures";
            packageId = "futures";
          }
          {
            name = "futures-util";
            packageId = "futures-util";
          }
          {
            name = "hex";
            packageId = "hex";
          }
          {
            name = "rand";
            packageId = "rand";
          }
          {
            name = "regex";
            packageId = "regex";
          }
          {
            name = "ring";
            packageId = "ring";
          }
          {
            name = "rtp-rs";
            packageId = "rtp-rs";
          }
          {
            name = "tokio";
            packageId = "tokio";
            features = [ "full" ];
          }
          {
            name = "tokio-util";
            packageId = "tokio-util";
            features = [ "codec" ];
          }
        ];
        
      };
      "lock_api" = rec {
        crateName = "lock_api";
        version = "0.4.2";
        edition = "2018";
        sha256 = "04hkhfq308agxg9wwmzh7ncfiyyyhn0d49n07abppzdj6p8zz5nx";
        authors = [
          "Amanieu d'Antras <amanieu@gmail.com>"
        ];
        dependencies = [
          {
            name = "scopeguard";
            packageId = "scopeguard";
            usesDefaultFeatures = false;
          }
        ];
        features = {
        };
      };
      "log" = rec {
        crateName = "log";
        version = "0.4.11";
        edition = "2015";
        sha256 = "12xzqaflpiljn5cmxsbnbv9sjaj13ykhwsvll0gysbx4blbyvasg";
        authors = [
          "The Rust Project Developers"
        ];
        dependencies = [
          {
            name = "cfg-if";
            packageId = "cfg-if 0.1.10";
          }
        ];
        features = {
          "kv_unstable_sval" = [ "kv_unstable" "sval/fmt" ];
        };
      };
      "memchr" = rec {
        crateName = "memchr";
        version = "2.3.3";
        edition = "2015";
        sha256 = "0074pvsfl938ndl5js14ibc7i9q0k3zp390z843w8nlyv4bxha1p";
        authors = [
          "Andrew Gallant <jamslam@gmail.com>"
          "bluss"
        ];
        features = {
          "default" = [ "std" ];
          "use_std" = [ "std" ];
        };
        resolvedDefaultFeatures = [ "default" "std" "use_std" ];
      };
      "mio" = rec {
        crateName = "mio";
        version = "0.7.6";
        edition = "2018";
        sha256 = "12qsvmsmpijnghgci5i0liskvwxrbg2dz6hc09kgvwaf0s3whfzk";
        authors = [
          "Carl Lerche <me@carllerche.com>"
        ];
        dependencies = [
          {
            name = "libc";
            packageId = "libc";
            target = { target, features }: target."unix";
          }
          {
            name = "log";
            packageId = "log";
          }
          {
            name = "miow";
            packageId = "miow";
            target = { target, features }: target."windows";
          }
          {
            name = "ntapi";
            packageId = "ntapi";
            target = { target, features }: target."windows";
          }
          {
            name = "winapi";
            packageId = "winapi";
            target = { target, features }: target."windows";
            features = [ "winsock2" "mswsock" ];
          }
        ];
        features = {
          "os-ext" = [ "os-poll" ];
          "os-util" = [ "os-ext" ];
          "pipe" = [ "os-ext" ];
          "tcp" = [ "net" ];
          "udp" = [ "net" ];
          "uds" = [ "net" ];
        };
        resolvedDefaultFeatures = [ "default" "net" "os-ext" "os-poll" "os-util" "tcp" "udp" "uds" ];
      };
      "miow" = rec {
        crateName = "miow";
        version = "0.3.6";
        edition = "2018";
        sha256 = "15sqdhh29dqgw5xh59clwv6scbsbvdkbmdc16hbfvyq7b2sw2css";
        authors = [
          "Alex Crichton <alex@alexcrichton.com>"
        ];
        dependencies = [
          {
            name = "socket2";
            packageId = "socket2";
          }
          {
            name = "winapi";
            packageId = "winapi";
            features = [ "std" "fileapi" "handleapi" "ioapiset" "minwindef" "namedpipeapi" "ntdef" "synchapi" "winerror" "winsock2" "ws2def" "ws2ipdef" ];
          }
        ];
        
      };
      "ntapi" = rec {
        crateName = "ntapi";
        version = "0.3.6";
        edition = "2018";
        sha256 = "0i5daj9sr8wyi5jkpwpybln2jqpn59z0mqfc0dpdidipwh1bjsrz";
        authors = [
          "MSxDOS <melcodos@gmail.com>"
        ];
        dependencies = [
          {
            name = "winapi";
            packageId = "winapi";
            features = [ "cfg" "evntrace" "in6addr" "inaddr" "minwinbase" "ntsecapi" "windef" "winioctl" ];
          }
        ];
        features = {
          "default" = [ "user" ];
          "impl-default" = [ "winapi/impl-default" ];
        };
        resolvedDefaultFeatures = [ "default" "user" ];
      };
      "num_cpus" = rec {
        crateName = "num_cpus";
        version = "1.13.0";
        edition = "2015";
        sha256 = "1cv6yxhz2zbnwn8pn1yn8grg7zsnd523947fby41a737aqvryj85";
        authors = [
          "Sean McArthur <sean@seanmonstar.com>"
        ];
        dependencies = [
          {
            name = "hermit-abi";
            packageId = "hermit-abi";
            target = { target, features }: (((target."arch" == "x86_64") || (target."arch" == "aarch64")) && (target."os" == "hermit"));
          }
          {
            name = "libc";
            packageId = "libc";
          }
        ];
        
      };
      "once_cell" = rec {
        crateName = "once_cell";
        version = "1.5.2";
        edition = "2018";
        sha256 = "183zs1dbmsv24mkafjypf9qwjrx46an58vb004a162l113sl3g8k";
        authors = [
          "Aleksey Kladov <aleksey.kladov@gmail.com>"
        ];
        features = {
          "default" = [ "std" ];
          "std" = [ "alloc" ];
        };
        resolvedDefaultFeatures = [ "alloc" "default" "std" ];
      };
      "parking_lot" = rec {
        crateName = "parking_lot";
        version = "0.11.1";
        edition = "2018";
        sha256 = "1sqmgaia8zfd5fbnqw2w13ijh7crk3lf9vw4cb52vwlx0an48xvd";
        authors = [
          "Amanieu d'Antras <amanieu@gmail.com>"
        ];
        dependencies = [
          {
            name = "instant";
            packageId = "instant";
          }
          {
            name = "lock_api";
            packageId = "lock_api";
          }
          {
            name = "parking_lot_core";
            packageId = "parking_lot_core";
          }
        ];
        features = {
          "deadlock_detection" = [ "parking_lot_core/deadlock_detection" ];
          "nightly" = [ "parking_lot_core/nightly" "lock_api/nightly" ];
          "owning_ref" = [ "lock_api/owning_ref" ];
          "serde" = [ "lock_api/serde" ];
          "stdweb" = [ "instant/stdweb" ];
          "wasm-bindgen" = [ "instant/wasm-bindgen" ];
        };
        resolvedDefaultFeatures = [ "default" ];
      };
      "parking_lot_core" = rec {
        crateName = "parking_lot_core";
        version = "0.8.1";
        edition = "2018";
        sha256 = "1l6fhxks1xc8vbcwlz2119canmaql5hfhny51552hibl8awdkinp";
        authors = [
          "Amanieu d'Antras <amanieu@gmail.com>"
        ];
        dependencies = [
          {
            name = "cfg-if";
            packageId = "cfg-if 1.0.0";
          }
          {
            name = "instant";
            packageId = "instant";
          }
          {
            name = "libc";
            packageId = "libc";
            target = { target, features }: target."unix";
          }
          {
            name = "redox_syscall";
            packageId = "redox_syscall";
            target = { target, features }: (target."os" == "redox");
          }
          {
            name = "smallvec";
            packageId = "smallvec";
          }
          {
            name = "winapi";
            packageId = "winapi";
            target = { target, features }: target."windows";
            features = [ "winnt" "ntstatus" "minwindef" "winerror" "winbase" "errhandlingapi" "handleapi" ];
          }
        ];
        features = {
          "deadlock_detection" = [ "petgraph" "thread-id" "backtrace" ];
        };
      };
      "pin-project" = rec {
        crateName = "pin-project";
        version = "1.0.1";
        edition = "2018";
        sha256 = "0h9qyx9napp34j5d7jk11xnlbirmdgxklkh7sxcxjq2gfhwdhhgf";
        authors = [
          "Taiki Endo <te316e89@gmail.com>"
        ];
        dependencies = [
          {
            name = "pin-project-internal";
            packageId = "pin-project-internal";
            usesDefaultFeatures = false;
          }
        ];
        
      };
      "pin-project-internal" = rec {
        crateName = "pin-project-internal";
        version = "1.0.1";
        edition = "2018";
        sha256 = "11igpgxqnqlfim2zrmy8k82dr9s9yqfhim4400sgysxnjjjzz941";
        procMacro = true;
        authors = [
          "Taiki Endo <te316e89@gmail.com>"
        ];
        dependencies = [
          {
            name = "proc-macro2";
            packageId = "proc-macro2";
          }
          {
            name = "quote";
            packageId = "quote";
          }
          {
            name = "syn";
            packageId = "syn";
            features = [ "full" "visit-mut" ];
          }
        ];
        
      };
      "pin-project-lite 0.1.11" = rec {
        crateName = "pin-project-lite";
        version = "0.1.11";
        edition = "2018";
        sha256 = "0srgdb3vkx7ppcww1qr7a67c7n84y01lq35j9g44z4h1z8x145y9";
        authors = [
          "Taiki Endo <te316e89@gmail.com>"
        ];
        
      };
      "pin-project-lite 0.2.0" = rec {
        crateName = "pin-project-lite";
        version = "0.2.0";
        edition = "2018";
        sha256 = "070klqy200alrhxb79fxarrrrn0vbwg95dmqw9062vhqxibky1kb";
        authors = [
          "Taiki Endo <te316e89@gmail.com>"
        ];
        
      };
      "pin-utils" = rec {
        crateName = "pin-utils";
        version = "0.1.0";
        edition = "2018";
        sha256 = "117ir7vslsl2z1a7qzhws4pd01cg2d3338c47swjyvqv2n60v1wb";
        authors = [
          "Josef Brandl <mail@josefbrandl.de>"
        ];
        
      };
      "proc-macro-hack" = rec {
        crateName = "proc-macro-hack";
        version = "0.5.18";
        edition = "2018";
        sha256 = "16055crxm9l5skrl96l5cs6xc4xnvhiggcf625r7pixdl2whbilr";
        procMacro = true;
        authors = [
          "David Tolnay <dtolnay@gmail.com>"
        ];
        
      };
      "proc-macro-nested" = rec {
        crateName = "proc-macro-nested";
        version = "0.1.6";
        edition = "2015";
        sha256 = "0nnwm9bvp1fmr8nqjp8ynrkj97yzpsdh3062li8b0f4hzgd818gb";
        authors = [
          "David Tolnay <dtolnay@gmail.com>"
        ];
        
      };
      "proc-macro2" = rec {
        crateName = "proc-macro2";
        version = "1.0.24";
        edition = "2018";
        sha256 = "0wcabxzrddcjmryndw8fpyxcq6rw63m701vx86xxf03y3bp081qy";
        authors = [
          "Alex Crichton <alex@alexcrichton.com>"
          "David Tolnay <dtolnay@gmail.com>"
        ];
        dependencies = [
          {
            name = "unicode-xid";
            packageId = "unicode-xid";
          }
        ];
        features = {
          "default" = [ "proc-macro" ];
        };
        resolvedDefaultFeatures = [ "default" "proc-macro" ];
      };
      "quote" = rec {
        crateName = "quote";
        version = "1.0.7";
        edition = "2018";
        sha256 = "0drzd6pq7whq7qhdvvs8wn6pbb0hhc12pz8wv80fb05ixhbksmma";
        authors = [
          "David Tolnay <dtolnay@gmail.com>"
        ];
        dependencies = [
          {
            name = "proc-macro2";
            packageId = "proc-macro2";
            usesDefaultFeatures = false;
          }
        ];
        features = {
          "default" = [ "proc-macro" ];
          "proc-macro" = [ "proc-macro2/proc-macro" ];
        };
        resolvedDefaultFeatures = [ "default" "proc-macro" ];
      };
      "rand" = rec {
        crateName = "rand";
        version = "0.5.6";
        edition = "2015";
        sha256 = "1fdcgja9167hlzkf4g5daqwp498lwiyq7aqm05whklpbsdyc8666";
        authors = [
          "The Rust Project Developers"
        ];
        dependencies = [
          {
            name = "cloudabi";
            packageId = "cloudabi";
            optional = true;
            target = { target, features }: (target."os" == "cloudabi");
          }
          {
            name = "fuchsia-cprng";
            packageId = "fuchsia-cprng";
            optional = true;
            target = { target, features }: (target."os" == "fuchsia");
          }
          {
            name = "libc";
            packageId = "libc";
            optional = true;
            target = { target, features }: target."unix";
          }
          {
            name = "rand_core";
            packageId = "rand_core 0.3.1";
            usesDefaultFeatures = false;
          }
          {
            name = "winapi";
            packageId = "winapi";
            optional = true;
            target = { target, features }: target."windows";
            features = [ "minwindef" "ntsecapi" "profileapi" "winnt" ];
          }
        ];
        features = {
          "alloc" = [ "rand_core/alloc" ];
          "default" = [ "std" ];
          "nightly" = [ "i128_support" ];
          "serde1" = [ "serde" "serde_derive" "rand_core/serde1" ];
          "std" = [ "rand_core/std" "alloc" "libc" "winapi" "cloudabi" "fuchsia-cprng" ];
        };
        resolvedDefaultFeatures = [ "alloc" "cloudabi" "default" "fuchsia-cprng" "libc" "std" "winapi" ];
      };
      "rand_core 0.3.1" = rec {
        crateName = "rand_core";
        version = "0.3.1";
        edition = "2015";
        sha256 = "0jzdgszfa4bliigiy4hi66k7fs3gfwi2qxn8vik84ph77fwdwvvs";
        authors = [
          "The Rand Project Developers"
          "The Rust Project Developers"
        ];
        dependencies = [
          {
            name = "rand_core";
            packageId = "rand_core 0.4.2";
          }
        ];
        features = {
          "alloc" = [ "rand_core/alloc" ];
          "default" = [ "std" ];
          "serde1" = [ "rand_core/serde1" ];
          "std" = [ "rand_core/std" ];
        };
        resolvedDefaultFeatures = [ "alloc" "std" ];
      };
      "rand_core 0.4.2" = rec {
        crateName = "rand_core";
        version = "0.4.2";
        edition = "2015";
        sha256 = "1p09ynysrq1vcdlmcqnapq4qakl2yd1ng3kxh3qscpx09k2a6cww";
        authors = [
          "The Rand Project Developers"
          "The Rust Project Developers"
        ];
        features = {
          "serde1" = [ "serde" "serde_derive" ];
          "std" = [ "alloc" ];
        };
        resolvedDefaultFeatures = [ "alloc" "std" ];
      };
      "redox_syscall" = rec {
        crateName = "redox_syscall";
        version = "0.1.57";
        edition = "2015";
        sha256 = "1kh59fpwy33w9nwd5iyc283yglq8pf2s41hnhvl48iax9mz0zk21";
        libName = "syscall";
        authors = [
          "Jeremy Soller <jackpot51@gmail.com>"
        ];
        
      };
      "regex" = rec {
        crateName = "regex";
        version = "1.4.2";
        edition = "2015";
        sha256 = "172bw2yryv65whn3n5vkww4kgk0bq08lx0zbln8xwia7xl9jrkrq";
        authors = [
          "The Rust Project Developers"
        ];
        dependencies = [
          {
            name = "aho-corasick";
            packageId = "aho-corasick";
            optional = true;
          }
          {
            name = "memchr";
            packageId = "memchr";
            optional = true;
          }
          {
            name = "regex-syntax";
            packageId = "regex-syntax";
            usesDefaultFeatures = false;
          }
          {
            name = "thread_local";
            packageId = "thread_local";
            optional = true;
          }
        ];
        features = {
          "default" = [ "std" "perf" "unicode" "regex-syntax/default" ];
          "perf" = [ "perf-cache" "perf-dfa" "perf-inline" "perf-literal" ];
          "perf-cache" = [ "thread_local" ];
          "perf-literal" = [ "aho-corasick" "memchr" ];
          "unicode" = [ "unicode-age" "unicode-bool" "unicode-case" "unicode-gencat" "unicode-perl" "unicode-script" "unicode-segment" "regex-syntax/unicode" ];
          "unicode-age" = [ "regex-syntax/unicode-age" ];
          "unicode-bool" = [ "regex-syntax/unicode-bool" ];
          "unicode-case" = [ "regex-syntax/unicode-case" ];
          "unicode-gencat" = [ "regex-syntax/unicode-gencat" ];
          "unicode-perl" = [ "regex-syntax/unicode-perl" ];
          "unicode-script" = [ "regex-syntax/unicode-script" ];
          "unicode-segment" = [ "regex-syntax/unicode-segment" ];
          "unstable" = [ "pattern" ];
          "use_std" = [ "std" ];
        };
        resolvedDefaultFeatures = [ "aho-corasick" "default" "memchr" "perf" "perf-cache" "perf-dfa" "perf-inline" "perf-literal" "std" "thread_local" "unicode" "unicode-age" "unicode-bool" "unicode-case" "unicode-gencat" "unicode-perl" "unicode-script" "unicode-segment" ];
      };
      "regex-syntax" = rec {
        crateName = "regex-syntax";
        version = "0.6.21";
        edition = "2015";
        sha256 = "12d176jkgw9749g07zjxz0n78nyvb2nqx3j4sp5aqyphvji1n61v";
        authors = [
          "The Rust Project Developers"
        ];
        features = {
          "default" = [ "unicode" ];
          "unicode" = [ "unicode-age" "unicode-bool" "unicode-case" "unicode-gencat" "unicode-perl" "unicode-script" "unicode-segment" ];
        };
        resolvedDefaultFeatures = [ "default" "unicode" "unicode-age" "unicode-bool" "unicode-case" "unicode-gencat" "unicode-perl" "unicode-script" "unicode-segment" ];
      };
      "ring" = rec {
        crateName = "ring";
        version = "0.16.19";
        edition = "2018";
        sha256 = "09j2jh4cfl6vdlr5qkrvl5rln3pzlwi5dvi4cv36ck57zrk1wjh2";
        authors = [
          "Brian Smith <brian@briansmith.org>"
        ];
        dependencies = [
          {
            name = "libc";
            packageId = "libc";
            usesDefaultFeatures = false;
            target = { target, features }: ((target."os" == "android") || (target."os" == "linux"));
          }
          {
            name = "once_cell";
            packageId = "once_cell";
            optional = true;
            usesDefaultFeatures = false;
            target = { target, features }: ((target."os" == "android") || (target."os" == "linux"));
            features = [ "std" ];
          }
          {
            name = "once_cell";
            packageId = "once_cell";
            usesDefaultFeatures = false;
            target = { target, features }: ((target."os" == "dragonfly") || (target."os" == "freebsd") || (target."os" == "illumos") || (target."os" == "netbsd") || (target."os" == "openbsd") || (target."os" == "solaris"));
            features = [ "std" ];
          }
          {
            name = "spin";
            packageId = "spin";
            usesDefaultFeatures = false;
            target = { target, features }: ((target."arch" == "x86") || (target."arch" == "x86_64") || (((target."arch" == "aarch64") || (target."arch" == "arm")) && ((target."os" == "android") || (target."os" == "fuchsia") || (target."os" == "linux"))));
          }
          {
            name = "untrusted";
            packageId = "untrusted";
          }
          {
            name = "web-sys";
            packageId = "web-sys";
            usesDefaultFeatures = false;
            target = { target, features }: ((target."arch" == "wasm32") && (target."vendor" == "unknown") && (target."os" == "unknown") && (target."env" == ""));
            features = [ "Crypto" "Window" ];
          }
          {
            name = "winapi";
            packageId = "winapi";
            usesDefaultFeatures = false;
            target = { target, features }: (target."os" == "windows");
            features = [ "ntsecapi" "wtypesbase" ];
          }
        ];
        buildDependencies = [
          {
            name = "cc";
            packageId = "cc";
            usesDefaultFeatures = false;
          }
        ];
        features = {
          "default" = [ "alloc" "dev_urandom_fallback" ];
          "dev_urandom_fallback" = [ "once_cell" ];
          "std" = [ "alloc" ];
        };
        resolvedDefaultFeatures = [ "alloc" "default" "dev_urandom_fallback" "once_cell" ];
      };
      "rtp-rs" = rec {
        crateName = "rtp-rs";
        version = "0.5.0";
        edition = "2018";
        sha256 = "1x8pgqbwwqrqnp2ykzdva7inmn7jzcgr42fy07lldm4ka5lhs4g1";
        libName = "rtp_rs";
        authors = [
          "David Holroyd <dave@badgers-in-foil.co.uk>"
        ];
        
      };
      "scopeguard" = rec {
        crateName = "scopeguard";
        version = "1.1.0";
        edition = "2015";
        sha256 = "1kbqm85v43rq92vx7hfiay6pmcga03vrjbbfwqpyj3pwsg3b16nj";
        authors = [
          "bluss"
        ];
        features = {
          "default" = [ "use_std" ];
        };
      };
      "signal-hook-registry" = rec {
        crateName = "signal-hook-registry";
        version = "1.2.2";
        edition = "2015";
        sha256 = "1ar0dd9q1w952knhs0fx7qfh4iq5jvcvwkw1xg5fmmandh6flcnf";
        authors = [
          "Michal 'vorner' Vaner <vorner@vorner.cz>"
          "Masaki Hara <ackie.h.gmai@gmail.com>"
        ];
        dependencies = [
          {
            name = "libc";
            packageId = "libc";
          }
        ];
        
      };
      "slab" = rec {
        crateName = "slab";
        version = "0.4.2";
        edition = "2015";
        sha256 = "1y59xsa27jk84sxzswjk60xcjf8b4fm5960jwpznrrcmasyva4f1";
        authors = [
          "Carl Lerche <me@carllerche.com>"
        ];
        
      };
      "smallvec" = rec {
        crateName = "smallvec";
        version = "1.5.1";
        edition = "2018";
        sha256 = "0xcxvc2lh2fj02d91v4dx1l4q14m5rb4yac788bhwxvxdl2lylmf";
        authors = [
          "The Servo Project Developers"
        ];
        features = {
        };
      };
      "socket2" = rec {
        crateName = "socket2";
        version = "0.3.19";
        edition = "2018";
        sha256 = "0vldz14mxqxnjqb6an2pj7mgclv7nrk45cpscwq7g3fj2c0mfbhj";
        authors = [
          "Alex Crichton <alex@alexcrichton.com>"
        ];
        dependencies = [
          {
            name = "cfg-if";
            packageId = "cfg-if 1.0.0";
            target = { target, features }: target."unix";
          }
          {
            name = "libc";
            packageId = "libc";
            target = { target, features }: target."unix";
            features = [ "align" ];
          }
          {
            name = "winapi";
            packageId = "winapi";
            target = { target, features }: target."windows";
            features = [ "handleapi" "ws2def" "ws2ipdef" "ws2tcpip" "minwindef" ];
          }
        ];
        features = {
        };
      };
      "spin" = rec {
        crateName = "spin";
        version = "0.5.2";
        edition = "2015";
        sha256 = "0b84m6dbzrwf2kxylnw82d3dr8w06av7rfkr8s85fb5f43rwyqvf";
        authors = [
          "Mathijs van de Nes <git@mathijs.vd-nes.nl>"
          "John Ericson <git@JohnEricson.me>"
        ];
        
      };
      "syn" = rec {
        crateName = "syn";
        version = "1.0.46";
        edition = "2018";
        sha256 = "0hn92vd7rj79ldhg3mhrlan2pl1k4b2d5phq4qrdl17a40rdxmas";
        authors = [
          "David Tolnay <dtolnay@gmail.com>"
        ];
        dependencies = [
          {
            name = "proc-macro2";
            packageId = "proc-macro2";
            usesDefaultFeatures = false;
          }
          {
            name = "quote";
            packageId = "quote";
            optional = true;
            usesDefaultFeatures = false;
          }
          {
            name = "unicode-xid";
            packageId = "unicode-xid";
          }
        ];
        features = {
          "default" = [ "derive" "parsing" "printing" "clone-impls" "proc-macro" ];
          "printing" = [ "quote" ];
          "proc-macro" = [ "proc-macro2/proc-macro" "quote/proc-macro" ];
          "test" = [ "syn-test-suite/all-features" ];
        };
        resolvedDefaultFeatures = [ "clone-impls" "default" "derive" "full" "parsing" "printing" "proc-macro" "quote" "visit" "visit-mut" ];
      };
      "thread_local" = rec {
        crateName = "thread_local";
        version = "1.0.1";
        edition = "2015";
        sha256 = "054vlrr1vsdy1h4b7n99mr24pnj8928ig9qwzg36wnkld4dns36l";
        authors = [
          "Amanieu d'Antras <amanieu@gmail.com>"
        ];
        dependencies = [
          {
            name = "lazy_static";
            packageId = "lazy_static";
          }
        ];
        
      };
      "tokio" = rec {
        crateName = "tokio";
        version = "0.3.6";
        edition = "2018";
        sha256 = "0z78l7kn4y2qvghsp9dyqgvr1kjvv63pjq3d8nzi31q74lfa42vj";
        authors = [
          "Tokio Contributors <team@tokio.rs>"
        ];
        dependencies = [
          {
            name = "bytes";
            packageId = "bytes 0.6.0";
            optional = true;
          }
          {
            name = "futures-core";
            packageId = "futures-core";
            optional = true;
          }
          {
            name = "libc";
            packageId = "libc";
            optional = true;
            target = { target, features }: target."unix";
          }
          {
            name = "memchr";
            packageId = "memchr";
            optional = true;
          }
          {
            name = "mio";
            packageId = "mio";
            optional = true;
          }
          {
            name = "num_cpus";
            packageId = "num_cpus";
            optional = true;
          }
          {
            name = "once_cell";
            packageId = "once_cell";
            optional = true;
          }
          {
            name = "parking_lot";
            packageId = "parking_lot";
            optional = true;
          }
          {
            name = "pin-project-lite";
            packageId = "pin-project-lite 0.2.0";
          }
          {
            name = "signal-hook-registry";
            packageId = "signal-hook-registry";
            optional = true;
            target = { target, features }: target."unix";
          }
          {
            name = "slab";
            packageId = "slab";
            optional = true;
          }
          {
            name = "tokio-macros";
            packageId = "tokio-macros";
            optional = true;
          }
          {
            name = "winapi";
            packageId = "winapi";
            optional = true;
            usesDefaultFeatures = false;
            target = { target, features }: target."windows";
          }
        ];
        buildDependencies = [
          {
            name = "autocfg";
            packageId = "autocfg";
          }
        ];
        devDependencies = [
          {
            name = "libc";
            packageId = "libc";
            target = {target, features}: target."unix";
          }
        ];
        features = {
          "full" = [ "fs" "io-util" "io-std" "macros" "net" "parking_lot" "process" "rt" "rt-multi-thread" "signal" "stream" "sync" "time" ];
          "io-util" = [ "memchr" "bytes" ];
          "macros" = [ "tokio-macros" ];
          "net" = [ "libc" "mio/os-poll" "mio/os-util" "mio/tcp" "mio/udp" "mio/uds" ];
          "process" = [ "bytes" "once_cell" "libc" "mio/os-poll" "mio/os-util" "mio/uds" "signal-hook-registry" "winapi/threadpoollegacyapiset" ];
          "rt" = [ "slab" ];
          "rt-multi-thread" = [ "num_cpus" "rt" ];
          "signal" = [ "once_cell" "libc" "mio/os-poll" "mio/uds" "mio/os-util" "signal-hook-registry" "winapi/consoleapi" ];
          "stream" = [ "futures-core" ];
        };
        resolvedDefaultFeatures = [ "bytes" "default" "fs" "full" "futures-core" "io-std" "io-util" "libc" "macros" "memchr" "mio" "net" "num_cpus" "once_cell" "parking_lot" "process" "rt" "rt-multi-thread" "signal" "signal-hook-registry" "slab" "stream" "sync" "time" "tokio-macros" "winapi" ];
      };
      "tokio-macros" = rec {
        crateName = "tokio-macros";
        version = "0.3.2";
        edition = "2018";
        sha256 = "1dvd3gji7a0i1kgck2lwgbcbklk3qb1bsqgd2v9amj63kyjzzps6";
        procMacro = true;
        authors = [
          "Tokio Contributors <team@tokio.rs>"
        ];
        dependencies = [
          {
            name = "proc-macro2";
            packageId = "proc-macro2";
          }
          {
            name = "quote";
            packageId = "quote";
          }
          {
            name = "syn";
            packageId = "syn";
            features = [ "full" ];
          }
        ];
        
      };
      "tokio-util" = rec {
        crateName = "tokio-util";
        version = "0.4.0";
        edition = "2018";
        sha256 = "1m4pdg2gciagc9c5psg4lm51mcg69xwxr1yjdr0s0nv6yjckcy94";
        authors = [
          "Tokio Contributors <team@tokio.rs>"
        ];
        dependencies = [
          {
            name = "bytes";
            packageId = "bytes 0.5.6";
          }
          {
            name = "futures-core";
            packageId = "futures-core";
          }
          {
            name = "futures-sink";
            packageId = "futures-sink";
          }
          {
            name = "log";
            packageId = "log";
          }
          {
            name = "pin-project-lite";
            packageId = "pin-project-lite 0.1.11";
          }
          {
            name = "tokio";
            packageId = "tokio";
          }
        ];
        devDependencies = [
          {
            name = "tokio";
            packageId = "tokio";
            features = [ "full" ];
          }
        ];
        features = {
          "codec" = [ "tokio/stream" ];
          "compat" = [ "futures-io" ];
          "full" = [ "codec" "compat" "io" "time" ];
          "rt" = [ "tokio/rt" ];
          "time" = [ "tokio/time" "slab" ];
        };
        resolvedDefaultFeatures = [ "codec" "default" ];
      };
      "unicode-xid" = rec {
        crateName = "unicode-xid";
        version = "0.2.1";
        edition = "2015";
        sha256 = "0r6mknipyy9vpz8mwmxvkx65ff2ha1n2pxqjj6f46lcn8yrhpzpp";
        authors = [
          "erick.tryzelaar <erick.tryzelaar@gmail.com>"
          "kwantam <kwantam@gmail.com>"
        ];
        features = {
        };
        resolvedDefaultFeatures = [ "default" ];
      };
      "untrusted" = rec {
        crateName = "untrusted";
        version = "0.7.1";
        edition = "2018";
        sha256 = "0jkbqaj9d3v5a91pp3wp9mffvng1nhycx6sh4qkdd9qyr62ccmm1";
        libPath = "src/untrusted.rs";
        authors = [
          "Brian Smith <brian@briansmith.org>"
        ];
        
      };
      "wasm-bindgen" = rec {
        crateName = "wasm-bindgen";
        version = "0.2.69";
        edition = "2018";
        sha256 = "0vkkpz290k6pphmrgkayzdvk1dinxrp6c5zvr9l0zjlm2dsn9lrw";
        authors = [
          "The wasm-bindgen Developers"
        ];
        dependencies = [
          {
            name = "cfg-if";
            packageId = "cfg-if 1.0.0";
          }
          {
            name = "wasm-bindgen-macro";
            packageId = "wasm-bindgen-macro";
          }
        ];
        features = {
          "default" = [ "spans" "std" ];
          "enable-interning" = [ "std" ];
          "serde-serialize" = [ "serde" "serde_json" "std" ];
          "spans" = [ "wasm-bindgen-macro/spans" ];
          "strict-macro" = [ "wasm-bindgen-macro/strict-macro" ];
          "xxx_debug_only_print_generated_code" = [ "wasm-bindgen-macro/xxx_debug_only_print_generated_code" ];
        };
        resolvedDefaultFeatures = [ "default" "spans" "std" ];
      };
      "wasm-bindgen-backend" = rec {
        crateName = "wasm-bindgen-backend";
        version = "0.2.69";
        edition = "2018";
        sha256 = "0qidxjmcn50v2i5hjz7al69sa3mbq0lbi276amdnw47ln6dgh50i";
        authors = [
          "The wasm-bindgen Developers"
        ];
        dependencies = [
          {
            name = "bumpalo";
            packageId = "bumpalo";
          }
          {
            name = "lazy_static";
            packageId = "lazy_static";
          }
          {
            name = "log";
            packageId = "log";
          }
          {
            name = "proc-macro2";
            packageId = "proc-macro2";
          }
          {
            name = "quote";
            packageId = "quote";
          }
          {
            name = "syn";
            packageId = "syn";
            features = [ "full" ];
          }
          {
            name = "wasm-bindgen-shared";
            packageId = "wasm-bindgen-shared";
          }
        ];
        features = {
          "extra-traits" = [ "syn/extra-traits" ];
        };
        resolvedDefaultFeatures = [ "spans" ];
      };
      "wasm-bindgen-macro" = rec {
        crateName = "wasm-bindgen-macro";
        version = "0.2.69";
        edition = "2018";
        sha256 = "113hyzn0dpqasznzcwgmqw03i5yhjkqna7paim50h7xdbscwhsks";
        procMacro = true;
        authors = [
          "The wasm-bindgen Developers"
        ];
        dependencies = [
          {
            name = "quote";
            packageId = "quote";
          }
          {
            name = "wasm-bindgen-macro-support";
            packageId = "wasm-bindgen-macro-support";
          }
        ];
        features = {
          "spans" = [ "wasm-bindgen-macro-support/spans" ];
          "strict-macro" = [ "wasm-bindgen-macro-support/strict-macro" ];
        };
        resolvedDefaultFeatures = [ "spans" ];
      };
      "wasm-bindgen-macro-support" = rec {
        crateName = "wasm-bindgen-macro-support";
        version = "0.2.69";
        edition = "2018";
        sha256 = "0jbmgj8zxflza1cl15k3r70fqsak4bkkfbn6qxbhbn4ry9r8r95m";
        authors = [
          "The wasm-bindgen Developers"
        ];
        dependencies = [
          {
            name = "proc-macro2";
            packageId = "proc-macro2";
          }
          {
            name = "quote";
            packageId = "quote";
          }
          {
            name = "syn";
            packageId = "syn";
            features = [ "visit" "full" ];
          }
          {
            name = "wasm-bindgen-backend";
            packageId = "wasm-bindgen-backend";
          }
          {
            name = "wasm-bindgen-shared";
            packageId = "wasm-bindgen-shared";
          }
        ];
        features = {
          "extra-traits" = [ "syn/extra-traits" ];
          "spans" = [ "wasm-bindgen-backend/spans" ];
        };
        resolvedDefaultFeatures = [ "spans" ];
      };
      "wasm-bindgen-shared" = rec {
        crateName = "wasm-bindgen-shared";
        version = "0.2.69";
        edition = "2018";
        sha256 = "0n3ir6gq27np22l6m96y342a6fphk1pkbzbfqx6g364kgzfi2y3y";
        authors = [
          "The wasm-bindgen Developers"
        ];
        
      };
      "web-sys" = rec {
        crateName = "web-sys";
        version = "0.3.46";
        edition = "2018";
        sha256 = "1hx3bcqhczkdc952gychkaakc27kh3yw6gdm7wfs54jg6gwiwar2";
        authors = [
          "The wasm-bindgen Developers"
        ];
        dependencies = [
          {
            name = "js-sys";
            packageId = "js-sys";
          }
          {
            name = "wasm-bindgen";
            packageId = "wasm-bindgen";
          }
        ];
        features = {
          "AbortSignal" = [ "EventTarget" ];
          "AnalyserNode" = [ "AudioNode" "EventTarget" ];
          "Animation" = [ "EventTarget" ];
          "AnimationEvent" = [ "Event" ];
          "AnimationPlaybackEvent" = [ "Event" ];
          "Attr" = [ "EventTarget" "Node" ];
          "AudioBufferSourceNode" = [ "AudioNode" "AudioScheduledSourceNode" "EventTarget" ];
          "AudioContext" = [ "BaseAudioContext" "EventTarget" ];
          "AudioDestinationNode" = [ "AudioNode" "EventTarget" ];
          "AudioNode" = [ "EventTarget" ];
          "AudioProcessingEvent" = [ "Event" ];
          "AudioScheduledSourceNode" = [ "AudioNode" "EventTarget" ];
          "AudioStreamTrack" = [ "EventTarget" "MediaStreamTrack" ];
          "AudioTrackList" = [ "EventTarget" ];
          "AudioWorklet" = [ "Worklet" ];
          "AudioWorkletGlobalScope" = [ "WorkletGlobalScope" ];
          "AudioWorkletNode" = [ "AudioNode" "EventTarget" ];
          "AuthenticatorAssertionResponse" = [ "AuthenticatorResponse" ];
          "AuthenticatorAttestationResponse" = [ "AuthenticatorResponse" ];
          "BaseAudioContext" = [ "EventTarget" ];
          "BatteryManager" = [ "EventTarget" ];
          "BeforeUnloadEvent" = [ "Event" ];
          "BiquadFilterNode" = [ "AudioNode" "EventTarget" ];
          "BlobEvent" = [ "Event" ];
          "Bluetooth" = [ "EventTarget" ];
          "BluetoothAdvertisingEvent" = [ "Event" ];
          "BluetoothDevice" = [ "EventTarget" ];
          "BluetoothPermissionResult" = [ "EventTarget" "PermissionStatus" ];
          "BluetoothRemoteGattCharacteristic" = [ "EventTarget" ];
          "BluetoothRemoteGattService" = [ "EventTarget" ];
          "BroadcastChannel" = [ "EventTarget" ];
          "CanvasCaptureMediaStream" = [ "EventTarget" "MediaStream" ];
          "CdataSection" = [ "CharacterData" "EventTarget" "Node" "Text" ];
          "ChannelMergerNode" = [ "AudioNode" "EventTarget" ];
          "ChannelSplitterNode" = [ "AudioNode" "EventTarget" ];
          "CharacterData" = [ "EventTarget" "Node" ];
          "ChromeWorker" = [ "EventTarget" "Worker" ];
          "Clipboard" = [ "EventTarget" ];
          "ClipboardEvent" = [ "Event" ];
          "CloseEvent" = [ "Event" ];
          "Comment" = [ "CharacterData" "EventTarget" "Node" ];
          "CompositionEvent" = [ "Event" "UiEvent" ];
          "ConstantSourceNode" = [ "AudioNode" "AudioScheduledSourceNode" "EventTarget" ];
          "ConvolverNode" = [ "AudioNode" "EventTarget" ];
          "CssAnimation" = [ "Animation" "EventTarget" ];
          "CssConditionRule" = [ "CssGroupingRule" "CssRule" ];
          "CssCounterStyleRule" = [ "CssRule" ];
          "CssFontFaceRule" = [ "CssRule" ];
          "CssFontFeatureValuesRule" = [ "CssRule" ];
          "CssGroupingRule" = [ "CssRule" ];
          "CssImportRule" = [ "CssRule" ];
          "CssKeyframeRule" = [ "CssRule" ];
          "CssKeyframesRule" = [ "CssRule" ];
          "CssMediaRule" = [ "CssConditionRule" "CssGroupingRule" "CssRule" ];
          "CssNamespaceRule" = [ "CssRule" ];
          "CssPageRule" = [ "CssRule" ];
          "CssStyleRule" = [ "CssRule" ];
          "CssStyleSheet" = [ "StyleSheet" ];
          "CssSupportsRule" = [ "CssConditionRule" "CssGroupingRule" "CssRule" ];
          "CssTransition" = [ "Animation" "EventTarget" ];
          "CustomEvent" = [ "Event" ];
          "DedicatedWorkerGlobalScope" = [ "EventTarget" "WorkerGlobalScope" ];
          "DelayNode" = [ "AudioNode" "EventTarget" ];
          "DeviceLightEvent" = [ "Event" ];
          "DeviceMotionEvent" = [ "Event" ];
          "DeviceOrientationEvent" = [ "Event" ];
          "DeviceProximityEvent" = [ "Event" ];
          "Document" = [ "EventTarget" "Node" ];
          "DocumentFragment" = [ "EventTarget" "Node" ];
          "DocumentTimeline" = [ "AnimationTimeline" ];
          "DocumentType" = [ "EventTarget" "Node" ];
          "DomMatrix" = [ "DomMatrixReadOnly" ];
          "DomPoint" = [ "DomPointReadOnly" ];
          "DomRect" = [ "DomRectReadOnly" ];
          "DomRequest" = [ "EventTarget" ];
          "DragEvent" = [ "Event" "MouseEvent" "UiEvent" ];
          "DynamicsCompressorNode" = [ "AudioNode" "EventTarget" ];
          "Element" = [ "EventTarget" "Node" ];
          "ErrorEvent" = [ "Event" ];
          "EventSource" = [ "EventTarget" ];
          "ExtendableEvent" = [ "Event" ];
          "ExtendableMessageEvent" = [ "Event" "ExtendableEvent" ];
          "FetchEvent" = [ "Event" "ExtendableEvent" ];
          "FetchObserver" = [ "EventTarget" ];
          "File" = [ "Blob" ];
          "FileReader" = [ "EventTarget" ];
          "FileSystemDirectoryEntry" = [ "FileSystemEntry" ];
          "FileSystemFileEntry" = [ "FileSystemEntry" ];
          "FocusEvent" = [ "Event" "UiEvent" ];
          "FontFaceSet" = [ "EventTarget" ];
          "FontFaceSetLoadEvent" = [ "Event" ];
          "GainNode" = [ "AudioNode" "EventTarget" ];
          "GamepadAxisMoveEvent" = [ "Event" "GamepadEvent" ];
          "GamepadButtonEvent" = [ "Event" "GamepadEvent" ];
          "GamepadEvent" = [ "Event" ];
          "GpuDevice" = [ "EventTarget" ];
          "GpuUncapturedErrorEvent" = [ "Event" ];
          "HashChangeEvent" = [ "Event" ];
          "HtmlAnchorElement" = [ "Element" "EventTarget" "HtmlElement" "Node" ];
          "HtmlAreaElement" = [ "Element" "EventTarget" "HtmlElement" "Node" ];
          "HtmlAudioElement" = [ "Element" "EventTarget" "HtmlElement" "HtmlMediaElement" "Node" ];
          "HtmlBaseElement" = [ "Element" "EventTarget" "HtmlElement" "Node" ];
          "HtmlBodyElement" = [ "Element" "EventTarget" "HtmlElement" "Node" ];
          "HtmlBrElement" = [ "Element" "EventTarget" "HtmlElement" "Node" ];
          "HtmlButtonElement" = [ "Element" "EventTarget" "HtmlElement" "Node" ];
          "HtmlCanvasElement" = [ "Element" "EventTarget" "HtmlElement" "Node" ];
          "HtmlDListElement" = [ "Element" "EventTarget" "HtmlElement" "Node" ];
          "HtmlDataElement" = [ "Element" "EventTarget" "HtmlElement" "Node" ];
          "HtmlDataListElement" = [ "Element" "EventTarget" "HtmlElement" "Node" ];
          "HtmlDetailsElement" = [ "Element" "EventTarget" "HtmlElement" "Node" ];
          "HtmlDialogElement" = [ "Element" "EventTarget" "HtmlElement" "Node" ];
          "HtmlDirectoryElement" = [ "Element" "EventTarget" "HtmlElement" "Node" ];
          "HtmlDivElement" = [ "Element" "EventTarget" "HtmlElement" "Node" ];
          "HtmlDocument" = [ "Document" "EventTarget" "Node" ];
          "HtmlElement" = [ "Element" "EventTarget" "Node" ];
          "HtmlEmbedElement" = [ "Element" "EventTarget" "HtmlElement" "Node" ];
          "HtmlFieldSetElement" = [ "Element" "EventTarget" "HtmlElement" "Node" ];
          "HtmlFontElement" = [ "Element" "EventTarget" "HtmlElement" "Node" ];
          "HtmlFormControlsCollection" = [ "HtmlCollection" ];
          "HtmlFormElement" = [ "Element" "EventTarget" "HtmlElement" "Node" ];
          "HtmlFrameElement" = [ "Element" "EventTarget" "HtmlElement" "Node" ];
          "HtmlFrameSetElement" = [ "Element" "EventTarget" "HtmlElement" "Node" ];
          "HtmlHeadElement" = [ "Element" "EventTarget" "HtmlElement" "Node" ];
          "HtmlHeadingElement" = [ "Element" "EventTarget" "HtmlElement" "Node" ];
          "HtmlHrElement" = [ "Element" "EventTarget" "HtmlElement" "Node" ];
          "HtmlHtmlElement" = [ "Element" "EventTarget" "HtmlElement" "Node" ];
          "HtmlIFrameElement" = [ "Element" "EventTarget" "HtmlElement" "Node" ];
          "HtmlImageElement" = [ "Element" "EventTarget" "HtmlElement" "Node" ];
          "HtmlInputElement" = [ "Element" "EventTarget" "HtmlElement" "Node" ];
          "HtmlLabelElement" = [ "Element" "EventTarget" "HtmlElement" "Node" ];
          "HtmlLegendElement" = [ "Element" "EventTarget" "HtmlElement" "Node" ];
          "HtmlLiElement" = [ "Element" "EventTarget" "HtmlElement" "Node" ];
          "HtmlLinkElement" = [ "Element" "EventTarget" "HtmlElement" "Node" ];
          "HtmlMapElement" = [ "Element" "EventTarget" "HtmlElement" "Node" ];
          "HtmlMediaElement" = [ "Element" "EventTarget" "HtmlElement" "Node" ];
          "HtmlMenuElement" = [ "Element" "EventTarget" "HtmlElement" "Node" ];
          "HtmlMenuItemElement" = [ "Element" "EventTarget" "HtmlElement" "Node" ];
          "HtmlMetaElement" = [ "Element" "EventTarget" "HtmlElement" "Node" ];
          "HtmlMeterElement" = [ "Element" "EventTarget" "HtmlElement" "Node" ];
          "HtmlModElement" = [ "Element" "EventTarget" "HtmlElement" "Node" ];
          "HtmlOListElement" = [ "Element" "EventTarget" "HtmlElement" "Node" ];
          "HtmlObjectElement" = [ "Element" "EventTarget" "HtmlElement" "Node" ];
          "HtmlOptGroupElement" = [ "Element" "EventTarget" "HtmlElement" "Node" ];
          "HtmlOptionElement" = [ "Element" "EventTarget" "HtmlElement" "Node" ];
          "HtmlOptionsCollection" = [ "HtmlCollection" ];
          "HtmlOutputElement" = [ "Element" "EventTarget" "HtmlElement" "Node" ];
          "HtmlParagraphElement" = [ "Element" "EventTarget" "HtmlElement" "Node" ];
          "HtmlParamElement" = [ "Element" "EventTarget" "HtmlElement" "Node" ];
          "HtmlPictureElement" = [ "Element" "EventTarget" "HtmlElement" "Node" ];
          "HtmlPreElement" = [ "Element" "EventTarget" "HtmlElement" "Node" ];
          "HtmlProgressElement" = [ "Element" "EventTarget" "HtmlElement" "Node" ];
          "HtmlQuoteElement" = [ "Element" "EventTarget" "HtmlElement" "Node" ];
          "HtmlScriptElement" = [ "Element" "EventTarget" "HtmlElement" "Node" ];
          "HtmlSelectElement" = [ "Element" "EventTarget" "HtmlElement" "Node" ];
          "HtmlSlotElement" = [ "Element" "EventTarget" "HtmlElement" "Node" ];
          "HtmlSourceElement" = [ "Element" "EventTarget" "HtmlElement" "Node" ];
          "HtmlSpanElement" = [ "Element" "EventTarget" "HtmlElement" "Node" ];
          "HtmlStyleElement" = [ "Element" "EventTarget" "HtmlElement" "Node" ];
          "HtmlTableCaptionElement" = [ "Element" "EventTarget" "HtmlElement" "Node" ];
          "HtmlTableCellElement" = [ "Element" "EventTarget" "HtmlElement" "Node" ];
          "HtmlTableColElement" = [ "Element" "EventTarget" "HtmlElement" "Node" ];
          "HtmlTableElement" = [ "Element" "EventTarget" "HtmlElement" "Node" ];
          "HtmlTableRowElement" = [ "Element" "EventTarget" "HtmlElement" "Node" ];
          "HtmlTableSectionElement" = [ "Element" "EventTarget" "HtmlElement" "Node" ];
          "HtmlTemplateElement" = [ "Element" "EventTarget" "HtmlElement" "Node" ];
          "HtmlTextAreaElement" = [ "Element" "EventTarget" "HtmlElement" "Node" ];
          "HtmlTimeElement" = [ "Element" "EventTarget" "HtmlElement" "Node" ];
          "HtmlTitleElement" = [ "Element" "EventTarget" "HtmlElement" "Node" ];
          "HtmlTrackElement" = [ "Element" "EventTarget" "HtmlElement" "Node" ];
          "HtmlUListElement" = [ "Element" "EventTarget" "HtmlElement" "Node" ];
          "HtmlUnknownElement" = [ "Element" "EventTarget" "HtmlElement" "Node" ];
          "HtmlVideoElement" = [ "Element" "EventTarget" "HtmlElement" "HtmlMediaElement" "Node" ];
          "IdbCursorWithValue" = [ "IdbCursor" ];
          "IdbDatabase" = [ "EventTarget" ];
          "IdbFileHandle" = [ "EventTarget" ];
          "IdbFileRequest" = [ "DomRequest" "EventTarget" ];
          "IdbLocaleAwareKeyRange" = [ "IdbKeyRange" ];
          "IdbMutableFile" = [ "EventTarget" ];
          "IdbOpenDbRequest" = [ "EventTarget" "IdbRequest" ];
          "IdbRequest" = [ "EventTarget" ];
          "IdbTransaction" = [ "EventTarget" ];
          "IdbVersionChangeEvent" = [ "Event" ];
          "IirFilterNode" = [ "AudioNode" "EventTarget" ];
          "ImageCaptureErrorEvent" = [ "Event" ];
          "InputEvent" = [ "Event" "UiEvent" ];
          "KeyboardEvent" = [ "Event" "UiEvent" ];
          "KeyframeEffect" = [ "AnimationEffect" ];
          "LocalMediaStream" = [ "EventTarget" "MediaStream" ];
          "MediaDevices" = [ "EventTarget" ];
          "MediaElementAudioSourceNode" = [ "AudioNode" "EventTarget" ];
          "MediaEncryptedEvent" = [ "Event" ];
          "MediaKeyError" = [ "Event" ];
          "MediaKeyMessageEvent" = [ "Event" ];
          "MediaKeySession" = [ "EventTarget" ];
          "MediaQueryList" = [ "EventTarget" ];
          "MediaQueryListEvent" = [ "Event" ];
          "MediaRecorder" = [ "EventTarget" ];
          "MediaRecorderErrorEvent" = [ "Event" ];
          "MediaSource" = [ "EventTarget" ];
          "MediaStream" = [ "EventTarget" ];
          "MediaStreamAudioDestinationNode" = [ "AudioNode" "EventTarget" ];
          "MediaStreamAudioSourceNode" = [ "AudioNode" "EventTarget" ];
          "MediaStreamEvent" = [ "Event" ];
          "MediaStreamTrack" = [ "EventTarget" ];
          "MediaStreamTrackEvent" = [ "Event" ];
          "MessageEvent" = [ "Event" ];
          "MessagePort" = [ "EventTarget" ];
          "MidiAccess" = [ "EventTarget" ];
          "MidiConnectionEvent" = [ "Event" ];
          "MidiInput" = [ "EventTarget" "MidiPort" ];
          "MidiMessageEvent" = [ "Event" ];
          "MidiOutput" = [ "EventTarget" "MidiPort" ];
          "MidiPort" = [ "EventTarget" ];
          "MouseEvent" = [ "Event" "UiEvent" ];
          "MouseScrollEvent" = [ "Event" "MouseEvent" "UiEvent" ];
          "MutationEvent" = [ "Event" ];
          "NetworkInformation" = [ "EventTarget" ];
          "Node" = [ "EventTarget" ];
          "Notification" = [ "EventTarget" ];
          "NotificationEvent" = [ "Event" "ExtendableEvent" ];
          "OfflineAudioCompletionEvent" = [ "Event" ];
          "OfflineAudioContext" = [ "BaseAudioContext" "EventTarget" ];
          "OfflineResourceList" = [ "EventTarget" ];
          "OffscreenCanvas" = [ "EventTarget" ];
          "OscillatorNode" = [ "AudioNode" "AudioScheduledSourceNode" "EventTarget" ];
          "PageTransitionEvent" = [ "Event" ];
          "PaintWorkletGlobalScope" = [ "WorkletGlobalScope" ];
          "PannerNode" = [ "AudioNode" "EventTarget" ];
          "PaymentMethodChangeEvent" = [ "Event" "PaymentRequestUpdateEvent" ];
          "PaymentRequestUpdateEvent" = [ "Event" ];
          "Performance" = [ "EventTarget" ];
          "PerformanceMark" = [ "PerformanceEntry" ];
          "PerformanceMeasure" = [ "PerformanceEntry" ];
          "PerformanceNavigationTiming" = [ "PerformanceEntry" "PerformanceResourceTiming" ];
          "PerformanceResourceTiming" = [ "PerformanceEntry" ];
          "PermissionStatus" = [ "EventTarget" ];
          "PointerEvent" = [ "Event" "MouseEvent" "UiEvent" ];
          "PopStateEvent" = [ "Event" ];
          "PopupBlockedEvent" = [ "Event" ];
          "PresentationAvailability" = [ "EventTarget" ];
          "PresentationConnection" = [ "EventTarget" ];
          "PresentationConnectionAvailableEvent" = [ "Event" ];
          "PresentationConnectionCloseEvent" = [ "Event" ];
          "PresentationConnectionList" = [ "EventTarget" ];
          "PresentationRequest" = [ "EventTarget" ];
          "ProcessingInstruction" = [ "CharacterData" "EventTarget" "Node" ];
          "ProgressEvent" = [ "Event" ];
          "PromiseRejectionEvent" = [ "Event" ];
          "PublicKeyCredential" = [ "Credential" ];
          "PushEvent" = [ "Event" "ExtendableEvent" ];
          "RadioNodeList" = [ "NodeList" ];
          "RtcDataChannel" = [ "EventTarget" ];
          "RtcDataChannelEvent" = [ "Event" ];
          "RtcPeerConnection" = [ "EventTarget" ];
          "RtcPeerConnectionIceEvent" = [ "Event" ];
          "RtcTrackEvent" = [ "Event" ];
          "RtcdtmfSender" = [ "EventTarget" ];
          "RtcdtmfToneChangeEvent" = [ "Event" ];
          "Screen" = [ "EventTarget" ];
          "ScreenOrientation" = [ "EventTarget" ];
          "ScriptProcessorNode" = [ "AudioNode" "EventTarget" ];
          "ScrollAreaEvent" = [ "Event" "UiEvent" ];
          "SecurityPolicyViolationEvent" = [ "Event" ];
          "ServiceWorker" = [ "EventTarget" ];
          "ServiceWorkerContainer" = [ "EventTarget" ];
          "ServiceWorkerGlobalScope" = [ "EventTarget" "WorkerGlobalScope" ];
          "ServiceWorkerRegistration" = [ "EventTarget" ];
          "ShadowRoot" = [ "DocumentFragment" "EventTarget" "Node" ];
          "SharedWorker" = [ "EventTarget" ];
          "SharedWorkerGlobalScope" = [ "EventTarget" "WorkerGlobalScope" ];
          "SourceBuffer" = [ "EventTarget" ];
          "SourceBufferList" = [ "EventTarget" ];
          "SpeechRecognition" = [ "EventTarget" ];
          "SpeechRecognitionError" = [ "Event" ];
          "SpeechRecognitionEvent" = [ "Event" ];
          "SpeechSynthesis" = [ "EventTarget" ];
          "SpeechSynthesisErrorEvent" = [ "Event" "SpeechSynthesisEvent" ];
          "SpeechSynthesisEvent" = [ "Event" ];
          "SpeechSynthesisUtterance" = [ "EventTarget" ];
          "StereoPannerNode" = [ "AudioNode" "EventTarget" ];
          "StorageEvent" = [ "Event" ];
          "SvgAnimateElement" = [ "Element" "EventTarget" "Node" "SvgAnimationElement" "SvgElement" ];
          "SvgAnimateMotionElement" = [ "Element" "EventTarget" "Node" "SvgAnimationElement" "SvgElement" ];
          "SvgAnimateTransformElement" = [ "Element" "EventTarget" "Node" "SvgAnimationElement" "SvgElement" ];
          "SvgAnimationElement" = [ "Element" "EventTarget" "Node" "SvgElement" ];
          "SvgCircleElement" = [ "Element" "EventTarget" "Node" "SvgElement" "SvgGeometryElement" "SvgGraphicsElement" ];
          "SvgClipPathElement" = [ "Element" "EventTarget" "Node" "SvgElement" ];
          "SvgComponentTransferFunctionElement" = [ "Element" "EventTarget" "Node" "SvgElement" ];
          "SvgDefsElement" = [ "Element" "EventTarget" "Node" "SvgElement" "SvgGraphicsElement" ];
          "SvgDescElement" = [ "Element" "EventTarget" "Node" "SvgElement" ];
          "SvgElement" = [ "Element" "EventTarget" "Node" ];
          "SvgEllipseElement" = [ "Element" "EventTarget" "Node" "SvgElement" "SvgGeometryElement" "SvgGraphicsElement" ];
          "SvgFilterElement" = [ "Element" "EventTarget" "Node" "SvgElement" ];
          "SvgForeignObjectElement" = [ "Element" "EventTarget" "Node" "SvgElement" "SvgGraphicsElement" ];
          "SvgGeometryElement" = [ "Element" "EventTarget" "Node" "SvgElement" "SvgGraphicsElement" ];
          "SvgGradientElement" = [ "Element" "EventTarget" "Node" "SvgElement" ];
          "SvgGraphicsElement" = [ "Element" "EventTarget" "Node" "SvgElement" ];
          "SvgImageElement" = [ "Element" "EventTarget" "Node" "SvgElement" "SvgGraphicsElement" ];
          "SvgLineElement" = [ "Element" "EventTarget" "Node" "SvgElement" "SvgGeometryElement" "SvgGraphicsElement" ];
          "SvgLinearGradientElement" = [ "Element" "EventTarget" "Node" "SvgElement" "SvgGradientElement" ];
          "SvgMarkerElement" = [ "Element" "EventTarget" "Node" "SvgElement" ];
          "SvgMaskElement" = [ "Element" "EventTarget" "Node" "SvgElement" ];
          "SvgMetadataElement" = [ "Element" "EventTarget" "Node" "SvgElement" ];
          "SvgPathElement" = [ "Element" "EventTarget" "Node" "SvgElement" "SvgGeometryElement" "SvgGraphicsElement" ];
          "SvgPathSegArcAbs" = [ "SvgPathSeg" ];
          "SvgPathSegArcRel" = [ "SvgPathSeg" ];
          "SvgPathSegClosePath" = [ "SvgPathSeg" ];
          "SvgPathSegCurvetoCubicAbs" = [ "SvgPathSeg" ];
          "SvgPathSegCurvetoCubicRel" = [ "SvgPathSeg" ];
          "SvgPathSegCurvetoCubicSmoothAbs" = [ "SvgPathSeg" ];
          "SvgPathSegCurvetoCubicSmoothRel" = [ "SvgPathSeg" ];
          "SvgPathSegCurvetoQuadraticAbs" = [ "SvgPathSeg" ];
          "SvgPathSegCurvetoQuadraticRel" = [ "SvgPathSeg" ];
          "SvgPathSegCurvetoQuadraticSmoothAbs" = [ "SvgPathSeg" ];
          "SvgPathSegCurvetoQuadraticSmoothRel" = [ "SvgPathSeg" ];
          "SvgPathSegLinetoAbs" = [ "SvgPathSeg" ];
          "SvgPathSegLinetoHorizontalAbs" = [ "SvgPathSeg" ];
          "SvgPathSegLinetoHorizontalRel" = [ "SvgPathSeg" ];
          "SvgPathSegLinetoRel" = [ "SvgPathSeg" ];
          "SvgPathSegLinetoVerticalAbs" = [ "SvgPathSeg" ];
          "SvgPathSegLinetoVerticalRel" = [ "SvgPathSeg" ];
          "SvgPathSegMovetoAbs" = [ "SvgPathSeg" ];
          "SvgPathSegMovetoRel" = [ "SvgPathSeg" ];
          "SvgPatternElement" = [ "Element" "EventTarget" "Node" "SvgElement" ];
          "SvgPolygonElement" = [ "Element" "EventTarget" "Node" "SvgElement" "SvgGeometryElement" "SvgGraphicsElement" ];
          "SvgPolylineElement" = [ "Element" "EventTarget" "Node" "SvgElement" "SvgGeometryElement" "SvgGraphicsElement" ];
          "SvgRadialGradientElement" = [ "Element" "EventTarget" "Node" "SvgElement" "SvgGradientElement" ];
          "SvgRectElement" = [ "Element" "EventTarget" "Node" "SvgElement" "SvgGeometryElement" "SvgGraphicsElement" ];
          "SvgScriptElement" = [ "Element" "EventTarget" "Node" "SvgElement" ];
          "SvgSetElement" = [ "Element" "EventTarget" "Node" "SvgAnimationElement" "SvgElement" ];
          "SvgStopElement" = [ "Element" "EventTarget" "Node" "SvgElement" ];
          "SvgStyleElement" = [ "Element" "EventTarget" "Node" "SvgElement" ];
          "SvgSwitchElement" = [ "Element" "EventTarget" "Node" "SvgElement" "SvgGraphicsElement" ];
          "SvgSymbolElement" = [ "Element" "EventTarget" "Node" "SvgElement" ];
          "SvgTextContentElement" = [ "Element" "EventTarget" "Node" "SvgElement" "SvgGraphicsElement" ];
          "SvgTextElement" = [ "Element" "EventTarget" "Node" "SvgElement" "SvgGraphicsElement" "SvgTextContentElement" "SvgTextPositioningElement" ];
          "SvgTextPathElement" = [ "Element" "EventTarget" "Node" "SvgElement" "SvgGraphicsElement" "SvgTextContentElement" ];
          "SvgTextPositioningElement" = [ "Element" "EventTarget" "Node" "SvgElement" "SvgGraphicsElement" "SvgTextContentElement" ];
          "SvgTitleElement" = [ "Element" "EventTarget" "Node" "SvgElement" ];
          "SvgUseElement" = [ "Element" "EventTarget" "Node" "SvgElement" "SvgGraphicsElement" ];
          "SvgViewElement" = [ "Element" "EventTarget" "Node" "SvgElement" ];
          "SvgaElement" = [ "Element" "EventTarget" "Node" "SvgElement" "SvgGraphicsElement" ];
          "SvgfeBlendElement" = [ "Element" "EventTarget" "Node" "SvgElement" ];
          "SvgfeColorMatrixElement" = [ "Element" "EventTarget" "Node" "SvgElement" ];
          "SvgfeComponentTransferElement" = [ "Element" "EventTarget" "Node" "SvgElement" ];
          "SvgfeCompositeElement" = [ "Element" "EventTarget" "Node" "SvgElement" ];
          "SvgfeConvolveMatrixElement" = [ "Element" "EventTarget" "Node" "SvgElement" ];
          "SvgfeDiffuseLightingElement" = [ "Element" "EventTarget" "Node" "SvgElement" ];
          "SvgfeDisplacementMapElement" = [ "Element" "EventTarget" "Node" "SvgElement" ];
          "SvgfeDistantLightElement" = [ "Element" "EventTarget" "Node" "SvgElement" ];
          "SvgfeDropShadowElement" = [ "Element" "EventTarget" "Node" "SvgElement" ];
          "SvgfeFloodElement" = [ "Element" "EventTarget" "Node" "SvgElement" ];
          "SvgfeFuncAElement" = [ "Element" "EventTarget" "Node" "SvgComponentTransferFunctionElement" "SvgElement" ];
          "SvgfeFuncBElement" = [ "Element" "EventTarget" "Node" "SvgComponentTransferFunctionElement" "SvgElement" ];
          "SvgfeFuncGElement" = [ "Element" "EventTarget" "Node" "SvgComponentTransferFunctionElement" "SvgElement" ];
          "SvgfeFuncRElement" = [ "Element" "EventTarget" "Node" "SvgComponentTransferFunctionElement" "SvgElement" ];
          "SvgfeGaussianBlurElement" = [ "Element" "EventTarget" "Node" "SvgElement" ];
          "SvgfeImageElement" = [ "Element" "EventTarget" "Node" "SvgElement" ];
          "SvgfeMergeElement" = [ "Element" "EventTarget" "Node" "SvgElement" ];
          "SvgfeMergeNodeElement" = [ "Element" "EventTarget" "Node" "SvgElement" ];
          "SvgfeMorphologyElement" = [ "Element" "EventTarget" "Node" "SvgElement" ];
          "SvgfeOffsetElement" = [ "Element" "EventTarget" "Node" "SvgElement" ];
          "SvgfePointLightElement" = [ "Element" "EventTarget" "Node" "SvgElement" ];
          "SvgfeSpecularLightingElement" = [ "Element" "EventTarget" "Node" "SvgElement" ];
          "SvgfeSpotLightElement" = [ "Element" "EventTarget" "Node" "SvgElement" ];
          "SvgfeTileElement" = [ "Element" "EventTarget" "Node" "SvgElement" ];
          "SvgfeTurbulenceElement" = [ "Element" "EventTarget" "Node" "SvgElement" ];
          "SvggElement" = [ "Element" "EventTarget" "Node" "SvgElement" "SvgGraphicsElement" ];
          "SvgmPathElement" = [ "Element" "EventTarget" "Node" "SvgElement" ];
          "SvgsvgElement" = [ "Element" "EventTarget" "Node" "SvgElement" "SvgGraphicsElement" ];
          "SvgtSpanElement" = [ "Element" "EventTarget" "Node" "SvgElement" "SvgGraphicsElement" "SvgTextContentElement" "SvgTextPositioningElement" ];
          "TcpServerSocket" = [ "EventTarget" ];
          "TcpServerSocketEvent" = [ "Event" ];
          "TcpSocket" = [ "EventTarget" ];
          "TcpSocketErrorEvent" = [ "Event" ];
          "TcpSocketEvent" = [ "Event" ];
          "Text" = [ "CharacterData" "EventTarget" "Node" ];
          "TextTrack" = [ "EventTarget" ];
          "TextTrackCue" = [ "EventTarget" ];
          "TextTrackList" = [ "EventTarget" ];
          "TimeEvent" = [ "Event" ];
          "TouchEvent" = [ "Event" "UiEvent" ];
          "TrackEvent" = [ "Event" ];
          "TransitionEvent" = [ "Event" ];
          "UiEvent" = [ "Event" ];
          "Usb" = [ "EventTarget" ];
          "UsbConnectionEvent" = [ "Event" ];
          "UsbPermissionResult" = [ "EventTarget" "PermissionStatus" ];
          "UserProximityEvent" = [ "Event" ];
          "ValueEvent" = [ "Event" ];
          "VideoStreamTrack" = [ "EventTarget" "MediaStreamTrack" ];
          "VideoTrackList" = [ "EventTarget" ];
          "VrDisplay" = [ "EventTarget" ];
          "VttCue" = [ "EventTarget" "TextTrackCue" ];
          "WaveShaperNode" = [ "AudioNode" "EventTarget" ];
          "WebGlContextEvent" = [ "Event" ];
          "WebKitCssMatrix" = [ "DomMatrix" "DomMatrixReadOnly" ];
          "WebSocket" = [ "EventTarget" ];
          "WheelEvent" = [ "Event" "MouseEvent" "UiEvent" ];
          "Window" = [ "EventTarget" ];
          "WindowClient" = [ "Client" ];
          "Worker" = [ "EventTarget" ];
          "WorkerDebuggerGlobalScope" = [ "EventTarget" ];
          "WorkerGlobalScope" = [ "EventTarget" ];
          "XmlDocument" = [ "Document" "EventTarget" "Node" ];
          "XmlHttpRequest" = [ "EventTarget" "XmlHttpRequestEventTarget" ];
          "XmlHttpRequestEventTarget" = [ "EventTarget" ];
          "XmlHttpRequestUpload" = [ "EventTarget" "XmlHttpRequestEventTarget" ];
          "Xr" = [ "EventTarget" ];
          "XrBoundedReferenceSpace" = [ "EventTarget" "XrReferenceSpace" "XrSpace" ];
          "XrInputSourceEvent" = [ "Event" ];
          "XrInputSourcesChangeEvent" = [ "Event" ];
          "XrReferenceSpace" = [ "EventTarget" "XrSpace" ];
          "XrReferenceSpaceEvent" = [ "Event" ];
          "XrSession" = [ "EventTarget" ];
          "XrSessionEvent" = [ "Event" ];
          "XrSpace" = [ "EventTarget" ];
          "XrViewerPose" = [ "XrPose" ];
        };
        resolvedDefaultFeatures = [ "Crypto" "EventTarget" "Window" ];
      };
      "winapi" = rec {
        crateName = "winapi";
        version = "0.3.9";
        edition = "2015";
        sha256 = "06gl025x418lchw1wxj64ycr7gha83m44cjr5sarhynd9xkrm0sw";
        authors = [
          "Peter Atashian <retep998@gmail.com>"
        ];
        dependencies = [
          {
            name = "winapi-i686-pc-windows-gnu";
            packageId = "winapi-i686-pc-windows-gnu";
            target = { target, features }: (stdenv.hostPlatform.config == "i686-pc-windows-gnu");
          }
          {
            name = "winapi-x86_64-pc-windows-gnu";
            packageId = "winapi-x86_64-pc-windows-gnu";
            target = { target, features }: (stdenv.hostPlatform.config == "x86_64-pc-windows-gnu");
          }
        ];
        features = {
          "debug" = [ "impl-debug" ];
        };
        resolvedDefaultFeatures = [ "cfg" "consoleapi" "errhandlingapi" "evntrace" "fileapi" "handleapi" "in6addr" "inaddr" "ioapiset" "minwinbase" "minwindef" "mswsock" "namedpipeapi" "ntdef" "ntsecapi" "ntstatus" "profileapi" "std" "synchapi" "threadpoollegacyapiset" "winbase" "windef" "winerror" "winioctl" "winnt" "winsock2" "ws2def" "ws2ipdef" "ws2tcpip" "wtypesbase" ];
      };
      "winapi-i686-pc-windows-gnu" = rec {
        crateName = "winapi-i686-pc-windows-gnu";
        version = "0.4.0";
        edition = "2015";
        sha256 = "1dmpa6mvcvzz16zg6d5vrfy4bxgg541wxrcip7cnshi06v38ffxc";
        authors = [
          "Peter Atashian <retep998@gmail.com>"
        ];
        
      };
      "winapi-x86_64-pc-windows-gnu" = rec {
        crateName = "winapi-x86_64-pc-windows-gnu";
        version = "0.4.0";
        edition = "2015";
        sha256 = "0gqq64czqb64kskjryj8isp62m2sgvx25yyj3kpc2myh85w24bki";
        authors = [
          "Peter Atashian <retep998@gmail.com>"
        ];
        
      };
    };

    #
# crate2nix/default.nix (excerpt start)
#

  /* Target (platform) data for conditional dependencies.
     This corresponds roughly to what buildRustCrate is setting.
  */
  defaultTarget = {
    unix = true;
    windows = false;
    fuchsia = true;
    test = false;

    # This doesn't appear to be officially documented anywhere yet.
    # See https://github.com/rust-lang-nursery/rust-forge/issues/101.
    os =
      if stdenv.hostPlatform.isDarwin
      then "macos"
      else stdenv.hostPlatform.parsed.kernel.name;
    arch = stdenv.hostPlatform.parsed.cpu.name;
    family = "unix";
    env = "gnu";
    endian =
      if stdenv.hostPlatform.parsed.cpu.significantByte.name == "littleEndian"
      then "little" else "big";
    pointer_width = toString stdenv.hostPlatform.parsed.cpu.bits;
    vendor = stdenv.hostPlatform.parsed.vendor.name;
    debug_assertions = false;
  };

  /* Filters common temp files and build files. */
  # TODO(pkolloch): Substitute with gitignore filter
  sourceFilter = name: type:
    let
      baseName = builtins.baseNameOf (builtins.toString name);
    in
      ! (
        # Filter out git
        baseName == ".gitignore"
        || (type == "directory" && baseName == ".git")

        # Filter out build results
        || (
          type == "directory" && (
            baseName == "target"
            || baseName == "_site"
            || baseName == ".sass-cache"
            || baseName == ".jekyll-metadata"
            || baseName == "build-artifacts"
          )
        )

        # Filter out nix-build result symlinks
        || (
          type == "symlink" && lib.hasPrefix "result" baseName
        )

        # Filter out IDE config
        || (
          type == "directory" && (
            baseName == ".idea" || baseName == ".vscode"
          )
        ) || lib.hasSuffix ".iml" baseName

        # Filter out nix build files
        || baseName == "Cargo.nix"

        # Filter out editor backup / swap files.
        || lib.hasSuffix "~" baseName
        || builtins.match "^\\.sw[a-z]$$" baseName != null
        || builtins.match "^\\..*\\.sw[a-z]$$" baseName != null
        || lib.hasSuffix ".tmp" baseName
        || lib.hasSuffix ".bak" baseName
        || baseName == "tests.nix"
      );

  /* Returns a crate which depends on successful test execution
     of crate given as the second argument.

     testCrateFlags: list of flags to pass to the test exectuable
     testInputs: list of packages that should be available during test execution
  */
  crateWithTest = { crate, testCrate, testCrateFlags, testInputs }:
    assert builtins.typeOf testCrateFlags == "list";
    assert builtins.typeOf testInputs == "list";
    let
      # override the `crate` so that it will build and execute tests instead of
      # building the actual lib and bin targets We just have to pass `--test`
      # to rustc and it will do the right thing.  We execute the tests and copy
      # their log and the test executables to $out for later inspection.
      test =
        let
          drv = testCrate.override
            (
              _: {
                buildTests = true;
              }
            );
        in
        pkgs.runCommand "run-tests-${testCrate.name}"
          {
            inherit testCrateFlags;
            buildInputs = testInputs;
          } ''
          set -ex

          export RUST_BACKTRACE=1

          # recreate a file hierarchy as when running tests with cargo

          # the source for test data
          ${pkgs.xorg.lndir}/bin/lndir ${crate.src}

          # build outputs
          testRoot=target/debug
          mkdir -p $testRoot

          # executables of the crate
          # we copy to prevent std::env::current_exe() to resolve to a store location
          for i in ${crate}/bin/*; do
            cp "$i" "$testRoot"
          done
          chmod +w -R .

          # test harness executables are suffixed with a hash, like cargo does
          # this allows to prevent name collision with the main
          # executables of the crate
          hash=$(basename $out)
          for file in ${drv}/tests/*; do
            f=$testRoot/$(basename $file)-$hash
            cp $file $f
            $f $testCrateFlags 2>&1 | tee -a $out
          done
        '';
    in
    pkgs.runCommand "${crate.name}-linked"
      {
        inherit (crate) outputs crateName;
        passthru = (crate.passthru or { }) // {
          inherit test;
        };
      } ''
      echo tested by ${test}
      ${lib.concatMapStringsSep "\n" (output: "ln -s ${crate.${output}} ${"$"}${output}") crate.outputs}
    '';

  /* A restricted overridable version of builtRustCratesWithFeatures. */
  buildRustCrateWithFeatures =
    { packageId
    , features ? rootFeatures
    , crateOverrides ? defaultCrateOverrides
    , buildRustCrateFunc ? null
    , runTests ? false
    , testCrateFlags ? [ ]
    , testInputs ? [ ]
    }:
    lib.makeOverridable
      (
        { features
        , crateOverrides
        , runTests
        , testCrateFlags
        , testInputs
        }:
        let
          buildRustCrateFuncOverriden =
            if buildRustCrateFunc != null
            then buildRustCrateFunc
            else
              (
                if crateOverrides == pkgs.defaultCrateOverrides
                then buildRustCrate
                else
                  buildRustCrate.override {
                    defaultCrateOverrides = crateOverrides;
                  }
              );
          builtRustCrates = builtRustCratesWithFeatures {
            inherit packageId features;
            buildRustCrateFunc = buildRustCrateFuncOverriden;
            runTests = false;
          };
          builtTestRustCrates = builtRustCratesWithFeatures {
            inherit packageId features;
            buildRustCrateFunc = buildRustCrateFuncOverriden;
            runTests = true;
          };
          drv = builtRustCrates.${packageId};
          testDrv = builtTestRustCrates.${packageId};
          derivation =
            if runTests then
              crateWithTest
                {
                  crate = drv;
                  testCrate = testDrv;
                  inherit testCrateFlags testInputs;
                }
            else drv;
        in
        derivation
      )
      { inherit features crateOverrides runTests testCrateFlags testInputs; };

  /* Returns an attr set with packageId mapped to the result of buildRustCrateFunc
     for the corresponding crate.
  */
  builtRustCratesWithFeatures =
    { packageId
    , features
    , crateConfigs ? crates
    , buildRustCrateFunc
    , runTests
    , target ? defaultTarget
    } @ args:
      assert (builtins.isAttrs crateConfigs);
      assert (builtins.isString packageId);
      assert (builtins.isList features);
      assert (builtins.isAttrs target);
      assert (builtins.isBool runTests);
      let
        rootPackageId = packageId;
        mergedFeatures = mergePackageFeatures
          (
            args // {
              inherit rootPackageId;
              target = target // { test = runTests; };
            }
          );
        buildByPackageId = packageId: buildByPackageIdImpl packageId;

        # Memoize built packages so that reappearing packages are only built once.
        builtByPackageId =
          lib.mapAttrs (packageId: value: buildByPackageId packageId) crateConfigs;
        buildByPackageIdImpl = packageId:
          let
            features = mergedFeatures."${packageId}" or [ ];
            crateConfig' = crateConfigs."${packageId}";
            crateConfig =
              builtins.removeAttrs crateConfig' [ "resolvedDefaultFeatures" "devDependencies" ];
            devDependencies =
              lib.optionals
                (runTests && packageId == rootPackageId)
                (crateConfig'.devDependencies or [ ]);
            dependencies =
              dependencyDerivations {
                inherit builtByPackageId features target;
                dependencies =
                  (crateConfig.dependencies or [ ])
                  ++ devDependencies;
              };
            buildDependencies =
              dependencyDerivations {
                inherit builtByPackageId features target;
                dependencies = crateConfig.buildDependencies or [ ];
              };
            filterEnabledDependenciesForThis = dependencies: filterEnabledDependencies {
              inherit dependencies features target;
            };
            dependenciesWithRenames =
              lib.filter (d: d ? "rename")
                (
                  filterEnabledDependenciesForThis
                    (
                      (crateConfig.buildDependencies or [ ])
                      ++ (crateConfig.dependencies or [ ])
                      ++ devDependencies
                    )
                );
            # Crate renames have the form:
            #
            # {
            #    crate_name = [
            #       { version = "1.2.3"; rename = "crate_name01"; }
            #    ];
            #    # ...
            # }
            crateRenames =
              let
                grouped =
                  lib.groupBy
                    (dependency: dependency.name)
                    dependenciesWithRenames;
                versionAndRename = dep:
                  let
                    package = builtByPackageId."${dep.packageId}";
                  in
                  { inherit (dep) rename; version = package.version; };
              in
              lib.mapAttrs (name: choices: builtins.map versionAndRename choices) grouped;
          in
          buildRustCrateFunc
            (
              crateConfig // {
                src = crateConfig.src or (
                  pkgs.fetchurl rec {
                    name = "${crateConfig.crateName}-${crateConfig.version}.tar.gz";
                    # https://www.pietroalbini.org/blog/downloading-crates-io/
                    # Not rate-limited, CDN URL.
                    url = "https://static.crates.io/crates/${crateConfig.crateName}/${crateConfig.crateName}-${crateConfig.version}.crate";
                    sha256 =
                      assert (lib.assertMsg (crateConfig ? sha256) "Missing sha256 for ${name}");
                      crateConfig.sha256;
                  }
                );
                extraRustcOpts = lib.lists.optional (targetFeatures != [ ]) "-C target-feature=${stdenv.lib.concatMapStringsSep "," (x: "+${x}") targetFeatures}";
                inherit features dependencies buildDependencies crateRenames release;
              }
            );
      in
      builtByPackageId;

  /* Returns the actual derivations for the given dependencies. */
  dependencyDerivations =
    { builtByPackageId
    , features
    , dependencies
    , target
    }:
      assert (builtins.isAttrs builtByPackageId);
      assert (builtins.isList features);
      assert (builtins.isList dependencies);
      assert (builtins.isAttrs target);
      let
        enabledDependencies = filterEnabledDependencies {
          inherit dependencies features target;
        };
        depDerivation = dependency: builtByPackageId.${dependency.packageId};
      in
      map depDerivation enabledDependencies;

  /* Returns a sanitized version of val with all values substituted that cannot
     be serialized as JSON.
  */
  sanitizeForJson = val:
    if builtins.isAttrs val
    then lib.mapAttrs (n: v: sanitizeForJson v) val
    else if builtins.isList val
    then builtins.map sanitizeForJson val
    else if builtins.isFunction val
    then "function"
    else val;

  /* Returns various tools to debug a crate. */
  debugCrate = { packageId, target ? defaultTarget }:
    assert (builtins.isString packageId);
    let
      debug = rec {
        # The built tree as passed to buildRustCrate.
        buildTree = buildRustCrateWithFeatures {
          buildRustCrateFunc = lib.id;
          inherit packageId;
        };
        sanitizedBuildTree = sanitizeForJson buildTree;
        dependencyTree = sanitizeForJson
          (
            buildRustCrateWithFeatures {
              buildRustCrateFunc = crate: {
                "01_crateName" = crate.crateName or false;
                "02_features" = crate.features or [ ];
                "03_dependencies" = crate.dependencies or [ ];
              };
              inherit packageId;
            }
          );
        mergedPackageFeatures = mergePackageFeatures {
          features = rootFeatures;
          inherit packageId target;
        };
        diffedDefaultPackageFeatures = diffDefaultPackageFeatures {
          inherit packageId target;
        };
      };
    in
    { internal = debug; };

  /* Returns differences between cargo default features and crate2nix default
     features.

     This is useful for verifying the feature resolution in crate2nix.
  */
  diffDefaultPackageFeatures =
    { crateConfigs ? crates
    , packageId
    , target
    }:
      assert (builtins.isAttrs crateConfigs);
      let
        prefixValues = prefix: lib.mapAttrs (n: v: { "${prefix}" = v; });
        mergedFeatures =
          prefixValues
            "crate2nix"
            (mergePackageFeatures { inherit crateConfigs packageId target; features = [ "default" ]; });
        configs = prefixValues "cargo" crateConfigs;
        combined = lib.foldAttrs (a: b: a // b) { } [ mergedFeatures configs ];
        onlyInCargo =
          builtins.attrNames
            (lib.filterAttrs (n: v: !(v ? "crate2nix") && (v ? "cargo")) combined);
        onlyInCrate2Nix =
          builtins.attrNames
            (lib.filterAttrs (n: v: (v ? "crate2nix") && !(v ? "cargo")) combined);
        differentFeatures = lib.filterAttrs
          (
            n: v:
              (v ? "crate2nix")
              && (v ? "cargo")
              && (v.crate2nix.features or [ ]) != (v."cargo".resolved_default_features or [ ])
          )
          combined;
      in
      builtins.toJSON {
        inherit onlyInCargo onlyInCrate2Nix differentFeatures;
      };

  /* Returns an attrset mapping packageId to the list of enabled features.

     If multiple paths to a dependency enable different features, the
     corresponding feature sets are merged. Features in rust are additive.
  */
  mergePackageFeatures =
    { crateConfigs ? crates
    , packageId
    , rootPackageId ? packageId
    , features ? rootFeatures
    , dependencyPath ? [ crates.${packageId}.crateName ]
    , featuresByPackageId ? { }
    , target
      # Adds devDependencies to the crate with rootPackageId.
    , runTests ? false
    , ...
    } @ args:
      assert (builtins.isAttrs crateConfigs);
      assert (builtins.isString packageId);
      assert (builtins.isString rootPackageId);
      assert (builtins.isList features);
      assert (builtins.isList dependencyPath);
      assert (builtins.isAttrs featuresByPackageId);
      assert (builtins.isAttrs target);
      assert (builtins.isBool runTests);
      let
        crateConfig = crateConfigs."${packageId}" or (builtins.throw "Package not found: ${packageId}");
        expandedFeatures = expandFeatures (crateConfig.features or { }) features;
        depWithResolvedFeatures = dependency:
          let
            packageId = dependency.packageId;
            features = dependencyFeatures expandedFeatures dependency;
          in
          { inherit packageId features; };
        resolveDependencies = cache: path: dependencies:
          assert (builtins.isAttrs cache);
          assert (builtins.isList dependencies);
          let
            enabledDependencies = filterEnabledDependencies {
              inherit dependencies target;
              features = expandedFeatures;
            };
            directDependencies = map depWithResolvedFeatures enabledDependencies;
            foldOverCache = op: lib.foldl op cache directDependencies;
          in
          foldOverCache
            (
              cache: { packageId, features }:
                let
                  cacheFeatures = cache.${packageId} or [ ];
                  combinedFeatures = sortedUnique (cacheFeatures ++ features);
                in
                if cache ? ${packageId} && cache.${packageId} == combinedFeatures
                then cache
                else
                  mergePackageFeatures {
                    features = combinedFeatures;
                    featuresByPackageId = cache;
                    inherit crateConfigs packageId target runTests rootPackageId;
                  }
            );
        cacheWithSelf =
          let
            cacheFeatures = featuresByPackageId.${packageId} or [ ];
            combinedFeatures = sortedUnique (cacheFeatures ++ expandedFeatures);
          in
          featuresByPackageId // {
            "${packageId}" = combinedFeatures;
          };
        cacheWithDependencies =
          resolveDependencies cacheWithSelf "dep"
            (
              crateConfig.dependencies or [ ]
              ++ lib.optionals
                (runTests && packageId == rootPackageId)
                (crateConfig.devDependencies or [ ])
            );
        cacheWithAll =
          resolveDependencies
            cacheWithDependencies "build"
            (crateConfig.buildDependencies or [ ]);
      in
      cacheWithAll;

  /* Returns the enabled dependencies given the enabled features. */
  filterEnabledDependencies = { dependencies, features, target }:
    assert (builtins.isList dependencies);
    assert (builtins.isList features);
    assert (builtins.isAttrs target);

    lib.filter
      (
        dep:
        let
          targetFunc = dep.target or (features: true);
        in
        targetFunc { inherit features target; }
        && (
          !(dep.optional or false)
          || builtins.any (doesFeatureEnableDependency dep) features
        )
      )
      dependencies;

  /* Returns whether the given feature should enable the given dependency. */
  doesFeatureEnableDependency = { name, rename ? null, ... }: feature:
    let
      prefix = "${name}/";
      len = builtins.stringLength prefix;
      startsWithPrefix = builtins.substring 0 len feature == prefix;
    in
    (rename == null && feature == name)
    || (rename != null && rename == feature)
    || startsWithPrefix;

  /* Returns the expanded features for the given inputFeatures by applying the
     rules in featureMap.

     featureMap is an attribute set which maps feature names to lists of further
     feature names to enable in case this feature is selected.
  */
  expandFeatures = featureMap: inputFeatures:
    assert (builtins.isAttrs featureMap);
    assert (builtins.isList inputFeatures);
    let
      expandFeature = feature:
        assert (builtins.isString feature);
        [ feature ] ++ (expandFeatures featureMap (featureMap."${feature}" or [ ]));
      outFeatures = lib.concatMap expandFeature inputFeatures;
    in
    sortedUnique outFeatures;

  /*
     Returns the actual features for the given dependency.

     features: The features of the crate that refers this dependency.
  */
  dependencyFeatures = features: dependency:
    assert (builtins.isList features);
    assert (builtins.isAttrs dependency);
    let
      defaultOrNil =
        if dependency.usesDefaultFeatures or true
        then [ "default" ]
        else [ ];
      explicitFeatures = dependency.features or [ ];
      additionalDependencyFeatures =
        let
          dependencyPrefix = (dependency.rename or dependency.name) + "/";
          dependencyFeatures =
            builtins.filter (f: lib.hasPrefix dependencyPrefix f) features;
        in
        builtins.map (lib.removePrefix dependencyPrefix) dependencyFeatures;
    in
    defaultOrNil ++ explicitFeatures ++ additionalDependencyFeatures;

  /* Sorts and removes duplicates from a list of strings. */
  sortedUnique = features:
    assert (builtins.isList features);
    assert (builtins.all builtins.isString features);
    let
      outFeaturesSet = lib.foldl (set: feature: set // { "${feature}" = 1; }) { } features;
      outFeaturesUnique = builtins.attrNames outFeaturesSet;
    in
    builtins.sort (a: b: a < b) outFeaturesUnique;

  deprecationWarning = message: value:
    if strictDeprecation
    then builtins.throw "strictDeprecation enabled, aborting: ${message}"
    else builtins.trace message value;

  #
  # crate2nix/default.nix (excerpt end)
  #

  };
}