Failing build with html5ever about crate2nix HOT 6 CLOSED

  {
      "name": "new_debug_unreachable",
      "version": "1.0.3",
      "id": "new_debug_unreachable 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
      "license": "MIT",
      "license_file": null,
      "description": "panic in debug, intrinsics::unreachable() in release (fork of debug_unreachable)",
      "source": "registry+https://github.com/rust-lang/crates.io-index",
      "dependencies": [],
      "targets": [
        {
          "kind": [
            "lib"
          ],
          "crate_types": [
            "lib"
          ],
          "name": "debug_unreachable",
          "src_path": "/home/peter/.cargo/registry/src/github.com-1ecc6299db9ec823/new_debug_unreachable-1.0.3/src/lib.rs",
          "edition": "2015"
        },
        {
          "kind": [
            "example"
          ],
          "crate_types": [
            "bin"
          ],
          "name": "simple",
          "src_path": "/home/peter/.cargo/registry/src/github.com-1ecc6299db9ec823/new_debug_unreachable-1.0.3/examples/simple.rs",
          "edition": "2015"
        },
        {
          "kind": [
            "test"
          ],
          "crate_types": [
            "bin"
          ],
          "name": "check",
          "src_path": "/home/peter/.cargo/registry/src/github.com-1ecc6299db9ec823/new_debug_unreachable-1.0.3/tests/check.rs",
          "edition": "2015"
        }
      ],
// ...

Building src/lib.rs (cssparser)
Running rustc --crate-name cssparser src/lib.rs --crate-type lib -C opt-level=3 -C codegen-units=4 --edition 2015 -C metadata=15b8375349 -C extra-filename=-15b8375349 --out-dir target/lib --emit=dep-info,link -L dependency=target/deps --extern cssparser_macros=/nix/store/8yl9hhivlcpr1q485d9h9kywwlxiia91-rust_cssparser-macros-0.3.5/lib/libcssparser_macros-57e42b786a.so --extern dtoa_short=/nix/store/4v891ffdrzxa2yv547mn3dcdc7iqvak0-rust_dtoa-short-0.3.2/lib/libdtoa_short-77d68b4a44.rlib --extern itoa=/nix/store/adhj88qqyin8zf9bd10xqv1dsizv3bhr-rust_itoa-0.4.3/lib/libitoa-a6f76c7f27.rlib --extern matches=/nix/store/j3laann65lzck6lyg9bpjk7gjw9ihk2k-rust_matches-0.1.8/lib/libmatches-47ddbc585f.rlib --extern phf=/nix/store/qcvaa9ya6vgcrpmmyiq042a8jpb4niid-rust_phf-0.7.24/lib/libphf-95b8a51ebb.rlib --extern procedural_masquerade=/nix/store/rwzpk2qq99bkvr83hckj8akf6xq84dfy-rust_procedural-masquerade-0.1.6/lib/libprocedural_masquerade-e6f18a276f.rlib --extern smallvec=/nix/store/nh1i2602n3nphcrxmznrjbnvmpn747iq-rust_smallvec-0.6.9/lib/libsmallvec-99bacd0cdd.rlib --cap-lints allow -L /build/cssparser-0.24.1.tar.gz/target/build/cssparser.out --cfg rustc_has_pr45225 --color always
error: extern location for cssparser_macros does not exist: /nix/store/8yl9hhivlcpr1q485d9h9kywwlxiia91-rust_cssparser-macros-0.3.5/lib/libcssparser_macros-57e42b786a.so

error[E0463]: can't find crate for `cssparser_macros`
  --> src/lib.rs:73:14
   |
73 | #[macro_use] extern crate cssparser_macros;
   |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate

error: aborting due to 2 previous errors

For more information about this error, try `rustc --explain E0463`.
builder for '/nix/store/dj2mwhaqg6yma100xscp0rx0s43h7zi8-rust_cssparser-0.24.1.drv' failed with exit code 1
cannot build derivation '/nix/store/378wm523mf1mscvbqc7vjhvy8n3hmdj8-rust_url-bot-rs-0.2.0.drv': 1 dependencies couldn't be built
error: build of '/nix/store/378wm523mf1mscvbqc7vjhvy8n3hmdj8-rust_url-bot-rs-0.2.0.drv' failed