[INFO] updating cached repository https://github.com/kpcyrd/snail
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f157faef71f3e4892c42c62edfb5a98fd466f07d
[INFO] checking kpcyrd/snail against try#c8bdaa84ec1b37f18f30375e196a65b7602f3790 for pr-73345
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkpcyrd%2Fsnail" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kpcyrd/snail on toolchain c8bdaa84ec1b37f18f30375e196a65b7602f3790
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kpcyrd/snail
[INFO] finished tweaking git repo https://github.com/kpcyrd/snail
[INFO] tweaked toml for git repo https://github.com/kpcyrd/snail written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/kpcyrd/snail already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c9a1b33d5b7138bbc772d82ab3579acb2060e1ad78abb6b824191401ce7dfb49
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c9a1b33d5b7138bbc772d82ab3579acb2060e1ad78abb6b824191401ce7dfb49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c9a1b33d5b7138bbc772d82ab3579acb2060e1ad78abb6b824191401ce7dfb49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9a1b33d5b7138bbc772d82ab3579acb2060e1ad78abb6b824191401ce7dfb49", kill_on_drop: false }`
[INFO] [stdout] c9a1b33d5b7138bbc772d82ab3579acb2060e1ad78abb6b824191401ce7dfb49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f51536d4251698d2dc55ef20c5f363cdaa81df249ee61f30cc04713bb54f8cdc
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f51536d4251698d2dc55ef20c5f363cdaa81df249ee61f30cc04713bb54f8cdc", kill_on_drop: false }`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.55
[INFO] [stderr]    Compiling unicode-xid v0.1.0
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[INFO] [stderr]    Compiling unicase v2.4.0
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling heck v0.3.1
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[INFO] [stderr]    Compiling ryu v0.2.8
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[INFO] [stderr]     Checking num-traits v0.1.43
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[INFO] [stderr]     Checking base64 v0.10.1
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[INFO] [stderr]     Checking crossbeam-epoch v0.7.1
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]    Compiling ring v0.14.6
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling lua52-sys v0.1.2
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking atty v0.2.11
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[INFO] [stderr]     Checking hostname v0.1.5
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[INFO] [stderr]     Checking seccomp-sys v0.1.2
[INFO] [stderr]     Checking users v0.9.1
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[INFO] [stderr]     Checking tokio-timer v0.2.11
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[INFO] [stderr]    Compiling parking_lot_core v0.4.0
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[INFO] [stderr]     Checking rand v0.6.5
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[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking resolv-conf v0.6.2
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[INFO] [stderr]     Checking cgmath v0.16.1
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking http v0.1.17
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking regex v1.1.6
[INFO] [stderr]    Compiling zmq v0.9.0
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking tokio-threadpool v0.1.14
[INFO] [stderr]     Checking tempfile v3.0.8
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]    Compiling phf_codegen v0.7.24
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[INFO] [stderr]    Compiling selectors v0.21.0
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]     Checking caps v0.3.0
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking hlua-badtouch v0.4.2
[INFO] [stderr]    Compiling string_cache v0.7.3
[INFO] [stderr]     Checking env_logger v0.6.1
[INFO] [stderr]     Checking tokio v0.1.20
[INFO] [stderr]     Checking sct v0.5.0
[INFO] [stderr]     Checking webpki v0.19.1
[INFO] [stderr]     Checking h2 v0.1.20
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking typed-headers v0.1.1
[INFO] [stderr]     Checking tokio-core v0.1.17
[INFO] [stderr]     Checking ct-logs v0.5.1
[INFO] [stderr]     Checking rustyline v4.1.0
[INFO] [stderr]     Checking rustls v0.15.2
[INFO] [stderr]     Checking webpki-roots v0.16.0
[INFO] [stderr]     Checking winconsole v0.10.0
[INFO] [stderr]     Checking colored v1.8.0
[INFO] [stderr]     Checking hyper v0.12.29
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]     Checking tokio-rustls v0.9.3
[INFO] [stderr]     Checking hyper-rustls v0.16.1
[INFO] [stderr]     Checking boxxy v0.10.0
[INFO] [stderr]    Compiling serde_derive v1.0.91
[INFO] [stderr]    Compiling cssparser v0.25.5
[INFO] [stderr]    Compiling enum-as-inner v0.2.1
[INFO] [stderr]    Compiling cssparser-macros v0.3.5
[INFO] [stderr]    Compiling html5ever v0.23.0
[INFO] [stderr]    Compiling structopt-derive v0.2.15
[INFO] [stderr]    Compiling strum_macros v0.15.0
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking trust-dns-proto v0.7.3
[INFO] [stderr]     Checking structopt v0.2.15
[INFO] [stderr]     Checking syscallz v0.11.3
[INFO] [stderr] thread '<unnamed>' panicked at 'expected prefix "#[allow(unused)]" not found in "# [allow(unused)] enum ProceduralMasqueradeDummyType\n{\n    Input =\n    (0, stringify !\n     (\"deg\" => v, \"grad\" => v * 360. / 400., \"rad\" => v * 360. / (2. * PI),\n      \"turn\" => v * 360., _ => return\n      Err(location .\n          new_unexpected_token_error(Token :: Ident(unit . clone()))),)) . 0\n}"', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/procedural-masquerade-0.1.6/lib.rs:204:9
[INFO] [stderr] stack backtrace:
[INFO] [stderr]     Checking trust-dns-rustls v0.6.3
[INFO] [stderr]    0:     0x7f47aef55b05 - backtrace::backtrace::libunwind::trace::hc3f32ba24d88242a
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stderr]    1:     0x7f47aef55b05 - backtrace::backtrace::trace_unsynchronized::haad2590418eb4c26
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x7f47aef55b05 - std::sys_common::backtrace::_print_fmt::h4397782fec59f199
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]    3:     0x7f47aef55b05 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h39652f0242246c81
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]    4:     0x7f47aef9301c - core::fmt::write::h540ac4a6a1232abc
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1076
[INFO] [stderr]    5:     0x7f47aef47e93 - std::io::Write::write_fmt::haa03b5883ee9e297
[INFO] [stderr]                                at src/libstd/io/mod.rs:1537
[INFO] [stderr]    6:     0x7f47aef5ab20 - std::sys_common::backtrace::_print::ha6d9bdf9f438acec
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]    7:     0x7f47aef5ab20 - std::sys_common::backtrace::print::ha1fba17a8e5f6bc7
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8:     0x7f47aef5ab20 - std::panicking::default_hook::{{closure}}::ha3c41e6964bb5c0e
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    9:     0x7f47aef5a86c - std::panicking::default_hook::h39b8550780094336
[INFO] [stderr]                                at src/libstd/panicking.rs:218
[INFO] [stderr]   10:     0x7f47af6685f3 - rustc_driver::report_ice::hb9af53ca6f9d0c07
[INFO] [stderr]   11:     0x7f47a4566406 - <alloc::boxed::Box<F> as core::ops::function::Fn<A>>::call::h8e987e16fdf22195
[INFO] [stderr]                                at /rustc/c8bdaa84ec1b37f18f30375e196a65b7602f3790/src/liballoc/boxed.rs:1090
[INFO] [stderr]   12:     0x7f47a45886c5 - proc_macro::bridge::client::<impl proc_macro::bridge::Bridge>::enter::{{closure}}::{{closure}}::h2b96268bf0a24c3d
[INFO] [stderr]                                at /rustc/c8bdaa84ec1b37f18f30375e196a65b7602f3790/src/libproc_macro/bridge/client.rs:318
[INFO] [stderr]   13:     0x7f47aef5b1cc - std::panicking::rust_panic_with_hook::hc8b48ce48004c103
[INFO] [stderr]                                at src/libstd/panicking.rs:481
[INFO] [stderr]   14:     0x7f47aef5adab - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:385
[INFO] [stderr]   15:     0x7f47aef5ad1b - std::panicking::begin_panic_fmt::h47f8dbf10f89e991
[INFO] [stderr]                                at src/libstd/panicking.rs:339
[INFO] [stderr]   16:     0x7f47a482cb3b - procedural_masquerade::_extract_input::hc98df88fe47aaedc
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/procedural-masquerade-0.1.6/lib.rs:204
[INFO] [stderr]   17:     0x7f47a4561699 - cssparser_macros::cssparser_internal__assert_ascii_lowercase__max_len::{{closure}}::hba401027f41754dd
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/procedural-masquerade-0.1.6/lib.rs:185
[INFO] [stderr]   18:     0x7f47a45721d0 - std::sys_common::backtrace::__rust_begin_short_backtrace::h03b549dfb1fb9e71
[INFO] [stderr]                                at /rustc/c8bdaa84ec1b37f18f30375e196a65b7602f3790/src/libstd/sys_common/backtrace.rs:130
[INFO] [stderr]   19:     0x7f47a456eaf0 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h3deb5406876c4e88
[INFO] [stderr]                                at /rustc/c8bdaa84ec1b37f18f30375e196a65b7602f3790/src/libstd/thread/mod.rs:475
[INFO] [stderr]   20:     0x7f47a4583dff - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hed6eaf1d68bbe9c1
[INFO] [stderr]                                at /rustc/c8bdaa84ec1b37f18f30375e196a65b7602f3790/src/libstd/panic.rs:318
[INFO] [stderr]   21:     0x7f47a458bdca - std::panicking::try::do_call::h3b072aa483da42cc
[INFO] [stderr]                                at /rustc/c8bdaa84ec1b37f18f30375e196a65b7602f3790/src/libstd/panicking.rs:297
[INFO] [stderr]   22:     0x7f47a458dd3d - __rust_try
[INFO] [stderr]   23:     0x7f47a458b98d - std::panicking::try::h1c98686f9ad5406e
[INFO] [stderr]                                at /rustc/c8bdaa84ec1b37f18f30375e196a65b7602f3790/src/libstd/panicking.rs:274
[INFO] [stderr]   24:     0x7f47a4585530 - std::panic::catch_unwind::hbc7e9bd1f9089a51
[INFO] [stderr]                                at /rustc/c8bdaa84ec1b37f18f30375e196a65b7602f3790/src/libstd/panic.rs:394
[INFO] [stderr]   25:     0x7f47a456e5d5 - std::thread::Builder::spawn_unchecked::{{closure}}::ha35fb89d297e9c86
[INFO] [stderr]                                at /rustc/c8bdaa84ec1b37f18f30375e196a65b7602f3790/src/libstd/thread/mod.rs:474
[INFO] [stderr]   26:     0x7f47a45734be - core::ops::function::FnOnce::call_once{{vtable.shim}}::hf2b3107bd2cbace3
[INFO] [stderr]                                at /rustc/c8bdaa84ec1b37f18f30375e196a65b7602f3790/src/libcore/ops/function.rs:232
[INFO] [stderr]   27:     0x7f47aef6a92a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h83f42f6daae90563
[INFO] [stderr]                                at /rustc/c8bdaa84ec1b37f18f30375e196a65b7602f3790/src/liballoc/boxed.rs:1076
[INFO] [stderr]   28:     0x7f47aef6a92a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hd254c5c17db8b10a
[INFO] [stderr]                                at /rustc/c8bdaa84ec1b37f18f30375e196a65b7602f3790/src/liballoc/boxed.rs:1076
[INFO] [stderr]   29:     0x7f47aef6a92a - std::sys::unix::thread::Thread::new::thread_start::h62c1349f59256f0d
[INFO] [stderr]                                at src/libstd/sys/unix/thread.rs:87
[INFO] [stderr]   30:     0x7f47aeeac609 - start_thread
[INFO] [stderr]   31:     0x7f47aedc0103 - __clone
[INFO] [stderr]   32:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] error: internal compiler error: unexpected panic
[INFO] [stderr] 
[INFO] [stderr] note: the compiler unexpectedly panicked. this is a bug.
[INFO] [stderr] 
[INFO] [stderr] note: we would appreciate a bug report: https://github.com/rust-lang/rust/blob/master/CONTRIBUTING.md#bug-reports
[INFO] [stderr] 
[INFO] [stderr] note: rustc 1.46.0-nightly (c8bdaa84e 2020-06-14) running on x86_64-unknown-linux-gnu
[INFO] [stderr] 
[INFO] [stderr] note: compiler flags: -C embed-bitcode=no -C debuginfo=2 --crate-type lib
[INFO] [stderr] 
[INFO] [stderr] note: some of the compiler flags provided by cargo are hidden
[INFO] [stderr] 
[INFO] [stderr] query stack during panic:
[INFO] [stderr] end of query stack
[INFO] [stdout] error: proc-macro derive panicked
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cssparser-0.25.5/src/macros.rs:39:17
[INFO] [stdout]     |
[INFO] [stdout] 39  |                   cssparser_internal__assert_ascii_lowercase__max_len!( $( $match_body )* )
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cssparser-0.25.5/src/color.rs:227:31
[INFO] [stdout]     |
[INFO] [stdout] 227 |                   let degrees = match_ignore_ascii_case! { &*unit,
[INFO] [stdout]     |  _______________________________-
[INFO] [stdout] 228 | |                     "deg" => v,
[INFO] [stdout] 229 | |                     "grad" => v * 360. / 400.,
[INFO] [stdout] 230 | |                     "rad" => v * 360. / (2. * PI),
[INFO] [stdout] 231 | |                     "turn" => v * 360.,
[INFO] [stdout] 232 | |                     _ => return Err(location.new_unexpected_token_error(Token::Ident(unit.clone()))),
[INFO] [stdout] 233 | |                 };
[INFO] [stdout]     | |_________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: message: called `Result::unwrap()` on an `Err` value: Any
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] thread '<unnamed>' panicked at 'expected prefix "#[allow(unused)]" not found in "# [allow(unused)] enum ProceduralMasqueradeDummyType\n{\n    Input =\n    (0, stringify !\n     ((Color) \"black\" (rgb ! (0, 0, 0)) \"silver\" (rgb ! (192, 192, 192))\n      \"gray\" (rgb ! (128, 128, 128)) \"white\" (rgb ! (255, 255, 255)) \"maroon\"\n      (rgb ! (128, 0, 0)) \"red\" (rgb ! (255, 0, 0)) \"purple\"\n      (rgb ! (128, 0, 128)) \"fuchsia\" (rgb ! (255, 0, 255)) \"green\"\n      (rgb ! (0, 128, 0)) \"lime\" (rgb ! (0, 255, 0)) \"olive\"\n      (rgb ! (128, 128, 0)) \"yellow\" (rgb ! (255, 255, 0)) \"navy\"\n      (rgb ! (0, 0, 128)) \"blue\" (rgb ! (0, 0, 255)) \"teal\"\n      (rgb ! (0, 128, 128)) \"aqua\" (rgb ! (0, 255, 255)) \"aliceblue\"\n      (rgb ! (240, 248, 255)) \"antiquewhite\" (rgb ! (250, 235, 215))\n      \"aquamarine\" (rgb ! (127, 255, 212)) \"azure\" (rgb ! (240, 255, 255))\n      \"beige\" (rgb ! (245, 245, 220)) \"bisque\" (rgb ! (255, 228, 196))\n      \"blanchedalmond\" (rgb ! (255, 235, 205)) \"blueviolet\"\n      (rgb ! (138, 43, 226)) \"brown\" (rgb ! (165, 42, 42)) \"burlywood\"\n      (rgb ! (222, 184, 135)) \"cadetblue\" (rgb ! (95, 158, 160)) \"chartreuse\"\n      (rgb ! (127, 255, 0)) \"chocolate\" (rgb ! (210, 105, 30)) \"coral\"\n      (rgb ! (255, 127, 80)) \"cornflowerblue\" (rgb ! (100, 149, 237))\n      \"cornsilk\" (rgb ! (255, 248, 220)) \"crimson\" (rgb ! (220, 20, 60))\n      \"cyan\" (rgb ! (0, 255, 255)) \"darkblue\" (rgb ! (0, 0, 139)) \"darkcyan\"\n      (rgb ! (0, 139, 139)) \"darkgoldenrod\" (rgb ! (184, 134, 11)) \"darkgray\"\n      (rgb ! (169, 169, 169)) \"darkgreen\" (rgb ! (0, 100, 0)) \"darkgrey\"\n      (rgb ! (169, 169, 169)) \"darkkhaki\" (rgb ! (189, 183, 107))\n      \"darkmagenta\" (rgb ! (139, 0, 139)) \"darkolivegreen\"\n      (rgb ! (85, 107, 47)) \"darkorange\" (rgb ! (255, 140, 0)) \"darkorchid\"\n      (rgb ! (153, 50, 204)) \"darkred\" (rgb ! (139, 0, 0)) \"darksalmon\"\n      (rgb ! (233, 150, 122)) \"darkseagreen\" (rgb ! (143, 188, 143))\n      \"darkslateblue\" (rgb ! (72, 61, 139)) \"darkslategray\"\n      (rgb ! (47, 79, 79)) \"darkslategrey\" (rgb ! (47, 79, 79))\n      \"darkturquoise\" (rgb ! (0, 206, 209)) \"darkviolet\" (rgb ! (148, 0, 211))\n      \"deeppink\" (rgb ! (255, 20, 147)) \"deepskyblue\" (rgb ! (0, 191, 255))\n      \"dimgray\" (rgb ! (105, 105, 105)) \"dimgrey\" (rgb ! (105, 105, 105))\n      \"dodgerblue\" (rgb ! (30, 144, 255)) \"firebrick\" (rgb ! (178, 34, 34))\n      \"floralwhite\" (rgb ! (255, 250, 240)) \"forestgreen\"\n      (rgb ! (34, 139, 34)) \"gainsboro\" (rgb ! (220, 220, 220)) \"ghostwhite\"\n      (rgb ! (248, 248, 255)) \"gold\" (rgb ! (255, 215, 0)) \"goldenrod\"\n      (rgb ! (218, 165, 32)) \"greenyellow\" (rgb ! (173, 255, 47)) \"grey\"\n      (rgb ! (128, 128, 128)) \"honeydew\" (rgb ! (240, 255, 240)) \"hotpink\"\n      (rgb ! (255, 105, 180)) \"indianred\" (rgb ! (205, 92, 92)) \"indigo\"\n      (rgb ! (75, 0, 130)) \"ivory\" (rgb ! (255, 255, 240)) \"khaki\"\n      (rgb ! (240, 230, 140)) \"lavender\" (rgb ! (230, 230, 250))\n      \"lavenderblush\" (rgb ! (255, 240, 245)) \"lawngreen\"\n      (rgb ! (124, 252, 0)) \"lemonchiffon\" (rgb ! (255, 250, 205)) \"lightblue\"\n      (rgb ! (173, 216, 230)) \"lightcoral\" (rgb ! (240, 128, 128)) \"lightcyan\"\n      (rgb ! (224, 255, 255)) \"lightgoldenrodyellow\" (rgb ! (250, 250, 210))\n      \"lightgray\" (rgb ! (211, 211, 211)) \"lightgreen\" (rgb ! (144, 238, 144))\n      \"lightgrey\" (rgb ! (211, 211, 211)) \"lightpink\" (rgb ! (255, 182, 193))\n      \"lightsalmon\" (rgb ! (255, 160, 122)) \"lightseagreen\"\n      (rgb ! (32, 178, 170)) \"lightskyblue\" (rgb ! (135, 206, 250))\n      \"lightslategray\" (rgb ! (119, 136, 153)) \"lightslategrey\"\n      (rgb ! (119, 136, 153)) \"lightsteelblue\" (rgb ! (176, 196, 222))\n      \"lightyellow\" (rgb ! (255, 255, 224)) \"limegreen\" (rgb ! (50, 205, 50))\n      \"linen\" (rgb ! (250, 240, 230)) \"magenta\" (rgb ! (255, 0, 255))\n      \"mediumaquamarine\" (rgb ! (102, 205, 170)) \"mediumblue\"\n      (rgb ! (0, 0, 205)) \"mediumorchid\" (rgb ! (186, 85, 211)) \"mediumpurple\"\n      (rgb ! (147, 112, 219)) \"mediumseagreen\" (rgb ! (60, 179, 113))\n      \"mediumslateblue\" (rgb ! (123, 104, 238)) \"mediumspringgreen\"\n      (rgb ! (0, 250, 154)) \"mediumturquoise\" (rgb ! (72, 209, 204))\n      \"mediumvioletred\" (rgb ! (199, 21, 133)) \"midnightblue\"\n      (rgb ! (25, 25, 112)) \"mintcream\" (rgb ! (245, 255, 250)) \"mistyrose\"\n      (rgb ! (255, 228, 225)) \"moccasin\" (rgb ! (255, 228, 181)) \"navajowhite\"\n      (rgb ! (255, 222, 173)) \"oldlace\" (rgb ! (253, 245, 230)) \"olivedrab\"\n      (rgb ! (107, 142, 35)) \"orange\" (rgb ! (255, 165, 0)) \"orangered\"\n      (rgb ! (255, 69, 0)) \"orchid\" (rgb ! (218, 112, 214)) \"palegoldenrod\"\n      (rgb ! (238, 232, 170)) \"palegreen\" (rgb ! (152, 251, 152))\n      \"paleturquoise\" (rgb ! (175, 238, 238)) \"palevioletred\"\n      (rgb ! (219, 112, 147)) \"papayawhip\" (rgb ! (255, 239, 213)) \"peachpuff\"\n      (rgb ! (255, 218, 185)) \"peru\" (rgb ! (205, 133, 63)) \"pink\"\n      (rgb ! (255, 192, 203)) \"plum\" (rgb ! (221, 160, 221)) \"powderblue\"\n      (rgb ! (176, 224, 230)) \"rebeccapurple\" (rgb ! (102, 51, 153))\n      \"rosybrown\" (rgb ! (188, 143, 143)) \"royalblue\" (rgb ! (65, 105, 225))\n      \"saddlebrown\" (rgb ! (139, 69, 19)) \"salmon\" (rgb ! (250, 128, 114))\n      \"sandybrown\" (rgb ! (244, 164, 96)) \"seagreen\" (rgb ! (46, 139, 87))\n      \"seashell\" (rgb ! (255, 245, 238)) \"sienna\" (rgb ! (160, 82, 45))\n      \"skyblue\" (rgb ! (135, 206, 235)) \"slateblue\" (rgb ! (106, 90, 205))\n      \"slategray\" (rgb ! (112, 128, 144)) \"slategrey\" (rgb ! (112, 128, 144))\n      \"snow\" (rgb ! (255, 250, 250)) \"springgreen\" (rgb ! (0, 255, 127))\n      \"steelblue\" (rgb ! (70, 130, 180)) \"tan\" (rgb ! (210, 180, 140))\n      \"thistle\" (rgb ! (216, 191, 216)) \"tomato\" (rgb ! (255, 99, 71))\n      \"turquoise\" (rgb ! (64, 224, 208)) \"violet\" (rgb ! (238, 130, 238))\n      \"wheat\" (rgb ! (245, 222, 179)) \"whitesmoke\" (rgb ! (245, 245, 245))\n      \"yellowgreen\" (rgb ! (154, 205, 50)) \"transparent\"\n      (Color :: RGBA(RGBA { red : 0, green : 0, blue : 0, alpha : 0, }))\n      \"currentcolor\" (Color :: CurrentColor))) . 0,\n}"', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/procedural-masquerade-0.1.6/lib.rs:204:9
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x7f47aef55b05 - backtrace::backtrace::libunwind::trace::hc3f32ba24d88242a
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stderr]    1:     0x7f47aef55b05 - backtrace::backtrace::trace_unsynchronized::haad2590418eb4c26
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x7f47aef55b05 - std::sys_common::backtrace::_print_fmt::h4397782fec59f199
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]    3:     0x7f47aef55b05 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h39652f0242246c81
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]    4:     0x7f47aef9301c - core::fmt::write::h540ac4a6a1232abc
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1076
[INFO] [stderr]    5:     0x7f47aef47e93 - std::io::Write::write_fmt::haa03b5883ee9e297
[INFO] [stderr]                                at src/libstd/io/mod.rs:1537
[INFO] [stderr]    6:     0x7f47aef5ab20 - std::sys_common::backtrace::_print::ha6d9bdf9f438acec
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]    7:     0x7f47aef5ab20 - std::sys_common::backtrace::print::ha1fba17a8e5f6bc7
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8:     0x7f47aef5ab20 - std::panicking::default_hook::{{closure}}::ha3c41e6964bb5c0e
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    9:     0x7f47aef5a86c - std::panicking::default_hook::h39b8550780094336
[INFO] [stderr]                                at src/libstd/panicking.rs:218
[INFO] [stderr]   10:     0x7f47af6685f3 - rustc_driver::report_ice::hb9af53ca6f9d0c07
[INFO] [stderr]   11:     0x7f47a4566406 - <alloc::boxed::Box<F> as core::ops::function::Fn<A>>::call::h8e987e16fdf22195
[INFO] [stderr]                                at /rustc/c8bdaa84ec1b37f18f30375e196a65b7602f3790/src/liballoc/boxed.rs:1090
[INFO] [stderr]   12:     0x7f47a45886c5 - proc_macro::bridge::client::<impl proc_macro::bridge::Bridge>::enter::{{closure}}::{{closure}}::h2b96268bf0a24c3d
[INFO] [stderr]                                at /rustc/c8bdaa84ec1b37f18f30375e196a65b7602f3790/src/libproc_macro/bridge/client.rs:318
[INFO] [stderr]   13:     0x7f47aef5b1cc - std::panicking::rust_panic_with_hook::hc8b48ce48004c103
[INFO] [stderr]                                at src/libstd/panicking.rs:481
[INFO] [stderr]   14:     0x7f47aef5adab - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:385
[INFO] [stderr]   15:     0x7f47aef5ad1b - std::panicking::begin_panic_fmt::h47f8dbf10f89e991
[INFO] [stderr]                                at src/libstd/panicking.rs:339
[INFO] [stderr]   16:     0x7f47a482cb3b - procedural_masquerade::_extract_input::hc98df88fe47aaedc
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/procedural-masquerade-0.1.6/lib.rs:204
[INFO] [stderr]   17:     0x7f47a4562a89 - cssparser_macros::cssparser_internal__phf_map::{{closure}}::h540dc5c121ea4619
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/procedural-masquerade-0.1.6/lib.rs:185
[INFO] [stderr]   18:     0x7f47a4572210 - std::sys_common::backtrace::__rust_begin_short_backtrace::h8c753725b4a225ad
[INFO] [stderr]                                at /rustc/c8bdaa84ec1b37f18f30375e196a65b7602f3790/src/libstd/sys_common/backtrace.rs:130
[INFO] [stderr]   19:     0x7f47a456eb70 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::ha25e3b61aa3ff7fa
[INFO] [stderr]                                at /rustc/c8bdaa84ec1b37f18f30375e196a65b7602f3790/src/libstd/thread/mod.rs:475
[INFO] [stderr]   20:     0x7f47a4583dbf - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h44011bd3a0247560
[INFO] [stderr]                                at /rustc/c8bdaa84ec1b37f18f30375e196a65b7602f3790/src/libstd/panic.rs:318
[INFO] [stderr]   21:     0x7f47a458be9a - std::panicking::try::do_call::h8f61efbd0824d734
[INFO] [stderr]                                at /rustc/c8bdaa84ec1b37f18f30375e196a65b7602f3790/src/libstd/panicking.rs:297
[INFO] [stderr]   22:     0x7f47a458dd3d - __rust_try
[INFO] [stderr]   23:     0x7f47a458b7dd - std::panicking::try::h14dfa1b1e27baa92
[INFO] [stderr]                                at /rustc/c8bdaa84ec1b37f18f30375e196a65b7602f3790/src/libstd/panicking.rs:274
[INFO] [stderr]   24:     0x7f47a4585460 - std::panic::catch_unwind::h20e21c62ec6a1d6f
[INFO] [stderr]                                at /rustc/c8bdaa84ec1b37f18f30375e196a65b7602f3790/src/libstd/panic.rs:394
[INFO] [stderr]   25:     0x7f47a456e8e5 - std::thread::Builder::spawn_unchecked::{{closure}}::hcc6342ce9d31e9a6
[INFO] [stderr]                                at /rustc/c8bdaa84ec1b37f18f30375e196a65b7602f3790/src/libstd/thread/mod.rs:474
[INFO] [stderr]   26:     0x7f47a457347e - core::ops::function::FnOnce::call_once{{vtable.shim}}::h316e4d23456c208c
[INFO] [stderr]                                at /rustc/c8bdaa84ec1b37f18f30375e196a65b7602f3790/src/libcore/ops/function.rs:232
[INFO] [stderr]   27:     0x7f47aef6a92a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h83f42f6daae90563
[INFO] [stderr]                                at /rustc/c8bdaa84ec1b37f18f30375e196a65b7602f3790/src/liballoc/boxed.rs:1076
[INFO] [stderr]   28:     0x7f47aef6a92a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hd254c5c17db8b10a
[INFO] [stderr]                                at /rustc/c8bdaa84ec1b37f18f30375e196a65b7602f3790/src/liballoc/boxed.rs:1076
[INFO] [stderr]   29:     0x7f47aef6a92a - std::sys::unix::thread::Thread::new::thread_start::h62c1349f59256f0d
[INFO] [stderr]                                at src/libstd/sys/unix/thread.rs:87
[INFO] [stderr]   30:     0x7f47aeeac609 - start_thread
[INFO] [stderr]   31:     0x7f47aedc0103 - __clone
[INFO] [stderr]   32:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] error: internal compiler error: unexpected panic
[INFO] [stderr] 
[INFO] [stderr] note: the compiler unexpectedly panicked. this is a bug.
[INFO] [stderr] 
[INFO] [stderr] note: we would appreciate a bug report: https://github.com/rust-lang/rust/blob/master/CONTRIBUTING.md#bug-reports
[INFO] [stderr] 
[INFO] [stderr] note: rustc 1.46.0-nightly (c8bdaa84e 2020-06-14) running on x86_64-unknown-linux-gnu
[INFO] [stderr] 
[INFO] [stderr] note: compiler flags: -C embed-bitcode=no -C debuginfo=2 --crate-type lib
[INFO] [stderr] 
[INFO] [stderr] note: some of the compiler flags provided by cargo are hidden
[INFO] [stderr] 
[INFO] [stderr] query stack during panic:
[INFO] [stderr] end of query stack
[INFO] [stdout] error: proc-macro derive panicked
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cssparser-0.25.5/src/macros.rs:87:17
[INFO] [stdout]     |
[INFO] [stdout] 87  |                   cssparser_internal__phf_map!( ($ValueType) $( $key ($value) )+ )
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cssparser-0.25.5/src/color.rs:371:5
[INFO] [stdout]     |
[INFO] [stdout] 371 | /     ascii_case_insensitive_phf_map! {
[INFO] [stdout] 372 | |         keyword -> Color = {
[INFO] [stdout] 373 | |             "black" => rgb!(0, 0, 0),
[INFO] [stdout] 374 | |             "silver" => rgb!(192, 192, 192),
[INFO] [stdout] ...   |
[INFO] [stdout] 525 | |         }
[INFO] [stdout] 526 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: message: called `Result::unwrap()` on an `Err` value: Any
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] thread '<unnamed>' panicked at 'expected prefix "#[allow(unused)]" not found in "# [allow(unused)] enum ProceduralMasqueradeDummyType\n{\n    Input =\n    (0, stringify !\n     (\"black\" \"silver\" \"gray\" \"white\" \"maroon\" \"red\" \"purple\" \"fuchsia\"\n      \"green\" \"lime\" \"olive\" \"yellow\" \"navy\" \"blue\" \"teal\" \"aqua\" \"aliceblue\"\n      \"antiquewhite\" \"aquamarine\" \"azure\" \"beige\" \"bisque\" \"blanchedalmond\"\n      \"blueviolet\" \"brown\" \"burlywood\" \"cadetblue\" \"chartreuse\" \"chocolate\"\n      \"coral\" \"cornflowerblue\" \"cornsilk\" \"crimson\" \"cyan\" \"darkblue\"\n      \"darkcyan\" \"darkgoldenrod\" \"darkgray\" \"darkgreen\" \"darkgrey\" \"darkkhaki\"\n      \"darkmagenta\" \"darkolivegreen\" \"darkorange\" \"darkorchid\" \"darkred\"\n      \"darksalmon\" \"darkseagreen\" \"darkslateblue\" \"darkslategray\"\n      \"darkslategrey\" \"darkturquoise\" \"darkviolet\" \"deeppink\" \"deepskyblue\"\n      \"dimgray\" \"dimgrey\" \"dodgerblue\" \"firebrick\" \"floralwhite\" \"forestgreen\"\n      \"gainsboro\" \"ghostwhite\" \"gold\" \"goldenrod\" \"greenyellow\" \"grey\"\n      \"honeydew\" \"hotpink\" \"indianred\" \"indigo\" \"ivory\" \"khaki\" \"lavender\"\n      \"lavenderblush\" \"lawngreen\" \"lemonchiffon\" \"lightblue\" \"lightcoral\"\n      \"lightcyan\" \"lightgoldenrodyellow\" \"lightgray\" \"lightgreen\" \"lightgrey\"\n      \"lightpink\" \"lightsalmon\" \"lightseagreen\" \"lightskyblue\"\n      \"lightslategray\" \"lightslategrey\" \"lightsteelblue\" \"lightyellow\"\n      \"limegreen\" \"linen\" \"magenta\" \"mediumaquamarine\" \"mediumblue\"\n      \"mediumorchid\" \"mediumpurple\" \"mediumseagreen\" \"mediumslateblue\"\n      \"mediumspringgreen\" \"mediumturquoise\" \"mediumvioletred\" \"midnightblue\"\n      \"mintcream\" \"mistyrose\" \"moccasin\" \"navajowhite\" \"oldlace\" \"olivedrab\"\n      \"orange\" \"orangered\" \"orchid\" \"palegoldenrod\" \"palegreen\"\n      \"paleturquoise\" \"palevioletred\" \"papayawhip\" \"peachpuff\" \"peru\" \"pink\"\n      \"plum\" \"powderblue\" \"rebeccapurple\" \"rosybrown\" \"royalblue\"\n      \"saddlebrown\" \"salmon\" \"sandybrown\" \"seagreen\" \"seashell\" \"sienna\"\n      \"skyblue\" \"slateblue\" \"slategray\" \"slategrey\" \"snow\" \"springgreen\"\n      \"steelblue\" \"tan\" \"thistle\" \"tomato\" \"turquoise\" \"violet\" \"wheat\"\n      \"whitesmoke\" \"yellowgreen\" \"transparent\" \"currentcolor\")) . 0,\n}"', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/procedural-masquerade-0.1.6/lib.rs:204:9
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x7f47aef55b05 - backtrace::backtrace::libunwind::trace::hc3f32ba24d88242a
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stderr]    1:     0x7f47aef55b05 - backtrace::backtrace::trace_unsynchronized::haad2590418eb4c26
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x7f47aef55b05 - std::sys_common::backtrace::_print_fmt::h4397782fec59f199
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]    3:     0x7f47aef55b05 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h39652f0242246c81
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]    4:     0x7f47aef9301c - core::fmt::write::h540ac4a6a1232abc
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1076
[INFO] [stderr]    5:     0x7f47aef47e93 - std::io::Write::write_fmt::haa03b5883ee9e297
[INFO] [stderr]                                at src/libstd/io/mod.rs:1537
[INFO] [stderr]    6:     0x7f47aef5ab20 - std::sys_common::backtrace::_print::ha6d9bdf9f438acec
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]    7:     0x7f47aef5ab20 - std::sys_common::backtrace::print::ha1fba17a8e5f6bc7
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8:     0x7f47aef5ab20 - std::panicking::default_hook::{{closure}}::ha3c41e6964bb5c0e
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    9:     0x7f47aef5a86c - std::panicking::default_hook::h39b8550780094336
[INFO] [stderr]                                at src/libstd/panicking.rs:218
[INFO] [stderr]   10:     0x7f47af6685f3 - rustc_driver::report_ice::hb9af53ca6f9d0c07
[INFO] [stderr]   11:     0x7f47a4566406 - <alloc::boxed::Box<F> as core::ops::function::Fn<A>>::call::h8e987e16fdf22195
[INFO] [stderr]                                at /rustc/c8bdaa84ec1b37f18f30375e196a65b7602f3790/src/liballoc/boxed.rs:1090
[INFO] [stderr]   12:     0x7f47a45886c5 - proc_macro::bridge::client::<impl proc_macro::bridge::Bridge>::enter::{{closure}}::{{closure}}::h2b96268bf0a24c3d
[INFO] [stderr]                                at /rustc/c8bdaa84ec1b37f18f30375e196a65b7602f3790/src/libproc_macro/bridge/client.rs:318
[INFO] [stderr]   13:     0x7f47aef5b1cc - std::panicking::rust_panic_with_hook::hc8b48ce48004c103
[INFO] [stderr]                                at src/libstd/panicking.rs:481
[INFO] [stderr]   14:     0x7f47aef5adab - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:385
[INFO] [stderr]   15:     0x7f47aef5ad1b - std::panicking::begin_panic_fmt::h47f8dbf10f89e991
[INFO] [stderr]                                at src/libstd/panicking.rs:339
[INFO] [stderr]   16:     0x7f47a482cb3b - procedural_masquerade::_extract_input::hc98df88fe47aaedc
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/procedural-masquerade-0.1.6/lib.rs:204
[INFO] [stderr]   17:     0x7f47a4562619 - cssparser_macros::cssparser_internal__max_len::{{closure}}::h2b23fbf1c5e27d50
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/procedural-masquerade-0.1.6/lib.rs:185
[INFO] [stderr]   18:     0x7f47a4572250 - std::sys_common::backtrace::__rust_begin_short_backtrace::hb9b6f2307a89f2b0
[INFO] [stderr]                                at /rustc/c8bdaa84ec1b37f18f30375e196a65b7602f3790/src/libstd/sys_common/backtrace.rs:130
[INFO] [stderr]   19:     0x7f47a456eb30 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h55ab95c2206a591f
[INFO] [stderr]                                at /rustc/c8bdaa84ec1b37f18f30375e196a65b7602f3790/src/libstd/thread/mod.rs:475
[INFO] [stderr]   20:     0x7f47a4583e3f - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hfd2a4a150bbadced
[INFO] [stderr]                                at /rustc/c8bdaa84ec1b37f18f30375e196a65b7602f3790/src/libstd/panic.rs:318
[INFO] [stderr]   21:     0x7f47a458bfda - std::panicking::try::do_call::hec74afa5430707f0
[INFO] [stderr]                                at /rustc/c8bdaa84ec1b37f18f30375e196a65b7602f3790/src/libstd/panicking.rs:297
[INFO] [stderr]   22:     0x7f47a458dd3d - __rust_try
[INFO] [stderr]   23:     0x7f47a458bb3d - std::panicking::try::h376664eb50529031
[INFO] [stderr]                                at /rustc/c8bdaa84ec1b37f18f30375e196a65b7602f3790/src/libstd/panicking.rs:274
[INFO] [stderr]   24:     0x7f47a45854f0 - std::panic::catch_unwind::h9dd6f4b1d936a80a
[INFO] [stderr]                                at /rustc/c8bdaa84ec1b37f18f30375e196a65b7602f3790/src/libstd/panic.rs:394
[INFO] [stderr]   25:     0x7f47a456e2c5 - std::thread::Builder::spawn_unchecked::{{closure}}::h023909b838e7862b
[INFO] [stderr]                                at /rustc/c8bdaa84ec1b37f18f30375e196a65b7602f3790/src/libstd/thread/mod.rs:474
[INFO] [stderr]   26:     0x7f47a457349e - core::ops::function::FnOnce::call_once{{vtable.shim}}::h3c1db8f7392f03fa
[INFO] [stderr]                                at /rustc/c8bdaa84ec1b37f18f30375e196a65b7602f3790/src/libcore/ops/function.rs:232
[INFO] [stderr]   27:     0x7f47aef6a92a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h83f42f6daae90563
[INFO] [stderr]                                at /rustc/c8bdaa84ec1b37f18f30375e196a65b7602f3790/src/liballoc/boxed.rs:1076
[INFO] [stderr]   28:     0x7f47aef6a92a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hd254c5c17db8b10a
[INFO] [stderr]                                at /rustc/c8bdaa84ec1b37f18f30375e196a65b7602f3790/src/liballoc/boxed.rs:1076
[INFO] [stderr]   29:     0x7f47aef6a92a - std::sys::unix::thread::Thread::new::thread_start::h62c1349f59256f0d
[INFO] [stderr]                                at src/libstd/sys/unix/thread.rs:87
[INFO] [stderr]   30:     0x7f47aeeac609 - start_thread
[INFO] [stderr]   31:     0x7f47aedc0103 - __clone
[INFO] [stderr]   32:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] error: internal compiler error: unexpected panic
[INFO] [stderr] 
[INFO] [stderr] note: the compiler unexpectedly panicked. this is a bug.
[INFO] [stderr] 
[INFO] [stderr] note: we would appreciate a bug report: https://github.com/rust-lang/rust/blob/master/CONTRIBUTING.md#bug-reports
[INFO] [stderr] 
[INFO] [stderr] note: rustc 1.46.0-nightly (c8bdaa84e 2020-06-14) running on x86_64-unknown-linux-gnu
[INFO] [stderr] 
[INFO] [stderr] note: compiler flags: -C embed-bitcode=no -C debuginfo=2 --crate-type lib
[INFO] [stderr] 
[INFO] [stderr] note: some of the compiler flags provided by cargo are hidden
[INFO] [stderr] 
[INFO] [stderr] query stack during panic:
[INFO] [stderr] end of query stack
[INFO] [stdout] error: proc-macro derive panicked
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cssparser-0.25.5/src/macros.rs:92:21
[INFO] [stdout]     |
[INFO] [stdout] 92  |                       cssparser_internal__max_len!( $( $key )+ )
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cssparser-0.25.5/src/color.rs:371:5
[INFO] [stdout]     |
[INFO] [stdout] 371 | /     ascii_case_insensitive_phf_map! {
[INFO] [stdout] 372 | |         keyword -> Color = {
[INFO] [stdout] 373 | |             "black" => rgb!(0, 0, 0),
[INFO] [stdout] 374 | |             "silver" => rgb!(192, 192, 192),
[INFO] [stdout] ...   |
[INFO] [stdout] 525 | |         }
[INFO] [stdout] 526 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: message: called `Result::unwrap()` on an `Err` value: Any
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] thread '<unnamed>' panicked at 'expected prefix "#[allow(unused)]" not found in "# [allow(unused)] enum ProceduralMasqueradeDummyType\n{\n    Input =\n    (0, stringify !\n     (\"rgb\" | \"rgba\" => parse_rgb_components_rgb(component_parser, arguments)\n      ?, \"hsl\" | \"hsla\" =>\n      parse_rgb_components_hsl(component_parser, arguments) ?, _ => return\n      Err(arguments .\n          new_unexpected_token_error(Token ::\n                                     Ident(name . to_owned() . into()))),)) .\n    0\n}"', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/procedural-masquerade-0.1.6/lib.rs:204:9
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x7f47aef55b05 - backtrace::backtrace::libunwind::trace::hc3f32ba24d88242a
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stderr]    1:     0x7f47aef55b05 - backtrace::backtrace::trace_unsynchronized::haad2590418eb4c26
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x7f47aef55b05 - std::sys_common::backtrace::_print_fmt::h4397782fec59f199
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]    3:     0x7f47aef55b05 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h39652f0242246c81
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]    4:     0x7f47aef9301c - core::fmt::write::h540ac4a6a1232abc
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1076
[INFO] [stderr]    5:     0x7f47aef47e93 - std::io::Write::write_fmt::haa03b5883ee9e297
[INFO] [stderr]                                at src/libstd/io/mod.rs:1537
[INFO] [stderr]    6:     0x7f47aef5ab20 - std::sys_common::backtrace::_print::ha6d9bdf9f438acec
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]    7:     0x7f47aef5ab20 - std::sys_common::backtrace::print::ha1fba17a8e5f6bc7
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8:     0x7f47aef5ab20 - std::panicking::default_hook::{{closure}}::ha3c41e6964bb5c0e
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    9:     0x7f47aef5a86c - std::panicking::default_hook::h39b8550780094336
[INFO] [stderr]                                at src/libstd/panicking.rs:218
[INFO] [stderr]   10:     0x7f47af6685f3 - rustc_driver::report_ice::hb9af53ca6f9d0c07
[INFO] [stderr]   11:     0x7f47a4566406 - <alloc::boxed::Box<F> as core::ops::function::Fn<A>>::call::h8e987e16fdf22195
[INFO] [stderr]                                at /rustc/c8bdaa84ec1b37f18f30375e196a65b7602f3790/src/liballoc/boxed.rs:1090
[INFO] [stderr]   12:     0x7f47a45886c5 - proc_macro::bridge::client::<impl proc_macro::bridge::Bridge>::enter::{{closure}}::{{closure}}::h2b96268bf0a24c3d
[INFO] [stderr]                                at /rustc/c8bdaa84ec1b37f18f30375e196a65b7602f3790/src/libproc_macro/bridge/client.rs:318
[INFO] [stderr]   13:     0x7f47aef5b1cc - std::panicking::rust_panic_with_hook::hc8b48ce48004c103
[INFO] [stderr]                                at src/libstd/panicking.rs:481
[INFO] [stderr]   14:     0x7f47aef5adab - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:385
[INFO] [stderr]   15:     0x7f47aef5ad1b - std::panicking::begin_panic_fmt::h47f8dbf10f89e991
[INFO] [stderr]                                at src/libstd/panicking.rs:339
[INFO] [stderr]   16:     0x7f47a482cb3b - procedural_masquerade::_extract_input::hc98df88fe47aaedc
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/procedural-masquerade-0.1.6/lib.rs:204
[INFO] [stderr]   17:     0x7f47a4561699 - cssparser_macros::cssparser_internal__assert_ascii_lowercase__max_len::{{closure}}::hba401027f41754dd
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/procedural-masquerade-0.1.6/lib.rs:185
[INFO] [stderr]   18:     0x7f47a45721d0 - std::sys_common::backtrace::__rust_begin_short_backtrace::h03b549dfb1fb9e71
[INFO] [stderr]                                at /rustc/c8bdaa84ec1b37f18f30375e196a65b7602f3790/src/libstd/sys_common/backtrace.rs:130
[INFO] [stderr]   19:     0x7f47a456eaf0 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h3deb5406876c4e88
[INFO] [stderr]                                at /rustc/c8bdaa84ec1b37f18f30375e196a65b7602f3790/src/libstd/thread/mod.rs:475
[INFO] [stderr]   20:     0x7f47a4583dff - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hed6eaf1d68bbe9c1
[INFO] [stderr]                                at /rustc/c8bdaa84ec1b37f18f30375e196a65b7602f3790/src/libstd/panic.rs:318
[INFO] [stderr]   21:     0x7f47a458bdca - std::panicking::try::do_call::h3b072aa483da42cc
[INFO] [stderr]                                at /rustc/c8bdaa84ec1b37f18f30375e196a65b7602f3790/src/libstd/panicking.rs:297
[INFO] [stderr]   22:     0x7f47a458dd3d - __rust_try
[INFO] [stderr]   23:     0x7f47a458b98d - std::panicking::try::h1c98686f9ad5406e
[INFO] [stderr]                                at /rustc/c8bdaa84ec1b37f18f30375e196a65b7602f3790/src/libstd/panicking.rs:274
[INFO] [stderr]   24:     0x7f47a4585530 - std::panic::catch_unwind::hbc7e9bd1f9089a51
[INFO] [stderr]                                at /rustc/c8bdaa84ec1b37f18f30375e196a65b7602f3790/src/libstd/panic.rs:394
[INFO] [stderr]   25:     0x7f47a456e5d5 - std::thread::Builder::spawn_unchecked::{{closure}}::ha35fb89d297e9c86
[INFO] [stderr]                                at /rustc/c8bdaa84ec1b37f18f30375e196a65b7602f3790/src/libstd/thread/mod.rs:474
[INFO] [stderr]   26:     0x7f47a45734be - core::ops::function::FnOnce::call_once{{vtable.shim}}::hf2b3107bd2cbace3
[INFO] [stderr]                                at /rustc/c8bdaa84ec1b37f18f30375e196a65b7602f3790/src/libcore/ops/function.rs:232
[INFO] [stderr]   27:     0x7f47aef6a92a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h83f42f6daae90563
[INFO] [stderr]                                at /rustc/c8bdaa84ec1b37f18f30375e196a65b7602f3790/src/liballoc/boxed.rs:1076
[INFO] [stderr]   28:     0x7f47aef6a92a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hd254c5c17db8b10a
[INFO] [stderr]                                at /rustc/c8bdaa84ec1b37f18f30375e196a65b7602f3790/src/liballoc/boxed.rs:1076
[INFO] [stderr]   29:     0x7f47aef6a92a - std::sys::unix::thread::Thread::new::thread_start::h62c1349f59256f0d
[INFO] [stderr]                                at src/libstd/sys/unix/thread.rs:87
[INFO] [stderr]   30:     0x7f47aeeac609 - start_thread
[INFO] [stderr]   31:     0x7f47aedc0103 - __clone
[INFO] [stderr]   32:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] error: internal compiler error: unexpected panic
[INFO] [stderr] 
[INFO] [stderr] note: the compiler unexpectedly panicked. this is a bug.
[INFO] [stderr] 
[INFO] [stderr] note: we would appreciate a bug report: https://github.com/rust-lang/rust/blob/master/CONTRIBUTING.md#bug-reports
[INFO] [stderr] 
[INFO] [stderr] note: rustc 1.46.0-nightly (c8bdaa84e 2020-06-14) running on x86_64-unknown-linux-gnu
[INFO] [stderr] 
[INFO] [stderr] note: compiler flags: -C embed-bitcode=no -C debuginfo=2 --crate-type lib
[INFO] [stderr] 
[INFO] [stderr] note: some of the compiler flags provided by cargo are hidden
[INFO] [stderr] 
[INFO] [stderr] query stack during panic:
[INFO] [stderr] end of query stack
[INFO] [stdout] error: proc-macro derive panicked
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cssparser-0.25.5/src/macros.rs:39:17
[INFO] [stdout]     |
[INFO] [stdout] 39  |                   cssparser_internal__assert_ascii_lowercase__max_len!( $( $match_body )* )
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cssparser-0.25.5/src/color.rs:571:43
[INFO] [stdout]     |
[INFO] [stdout] 571 |       let (red, green, blue, uses_commas) = match_ignore_ascii_case! { name,
[INFO] [stdout]     |  ___________________________________________-
[INFO] [stdout] 572 | |         "rgb" | "rgba" => parse_rgb_components_rgb(component_parser, arguments)?,
[INFO] [stdout] 573 | |         "hsl" | "hsla" => parse_rgb_components_hsl(component_parser, arguments)?,
[INFO] [stdout] 574 | |         _ => return Err(arguments.new_unexpected_token_error(Token::Ident(name.to_owned().into()))),
[INFO] [stdout] 575 | |     };
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: message: called `Result::unwrap()` on an `Err` value: Any
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] thread '<unnamed>' panicked at 'expected prefix "#[allow(unused)]" not found in "# [allow(unused)] enum ProceduralMasqueradeDummyType\n{\n    Input =\n    (0, stringify !\n     (\"n\" => Ok(parse_b(input, a) ?), \"n-\" =>\n      Ok(parse_signless_b(input, a, - 1) ?), _ => match\n      parse_n_dash_digits(& * unit)\n      {\n          Ok(b) => Ok((a, b)), Err(()) =>\n          Err(input .\n              new_basic_unexpected_token_error(Token ::\n                                               Ident(unit . clone())))\n      })) . 0\n}"', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/procedural-masquerade-0.1.6/lib.rs:204:9
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x7f47aef55b05 - backtrace::backtrace::libunwind::trace::hc3f32ba24d88242a
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stderr]    1:     0x7f47aef55b05 - backtrace::backtrace::trace_unsynchronized::haad2590418eb4c26
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x7f47aef55b05 - std::sys_common::backtrace::_print_fmt::h4397782fec59f199
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]    3:     0x7f47aef55b05 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h39652f0242246c81
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]    4:     0x7f47aef9301c - core::fmt::write::h540ac4a6a1232abc
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1076
[INFO] [stderr]    5:     0x7f47aef47e93 - std::io::Write::write_fmt::haa03b5883ee9e297
[INFO] [stderr]                                at src/libstd/io/mod.rs:1537
[INFO] [stderr]    6:     0x7f47aef5ab20 - std::sys_common::backtrace::_print::ha6d9bdf9f438acec
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]    7:     0x7f47aef5ab20 - std::sys_common::backtrace::print::ha1fba17a8e5f6bc7
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8:     0x7f47aef5ab20 - std::panicking::default_hook::{{closure}}::ha3c41e6964bb5c0e
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    9:     0x7f47aef5a86c - std::panicking::default_hook::h39b8550780094336
[INFO] [stderr]                                at src/libstd/panicking.rs:218
[INFO] [stderr]   10:     0x7f47af6685f3 - rustc_driver::report_ice::hb9af53ca6f9d0c07
[INFO] [stderr]   11:     0x7f47a4566406 - <alloc::boxed::Box<F> as core::ops::function::Fn<A>>::call::h8e987e16fdf22195
[INFO] [stderr]                                at /rustc/c8bdaa84ec1b37f18f30375e196a65b7602f3790/src/liballoc/boxed.rs:1090
[INFO] [stderr]   12:     0x7f47a45886c5 - proc_macro::bridge::client::<impl proc_macro::bridge::Bridge>::enter::{{closure}}::{{closure}}::h2b96268bf0a24c3d
[INFO] [stderr]                                at /rustc/c8bdaa84ec1b37f18f30375e196a65b7602f3790/src/libproc_macro/bridge/client.rs:318
[INFO] [stderr]   13:     0x7f47aef5b1cc - std::panicking::rust_panic_with_hook::hc8b48ce48004c103
[INFO] [stderr]                                at src/libstd/panicking.rs:481
[INFO] [stderr]   14:     0x7f47aef5adab - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:385
[INFO] [stderr]   15:     0x7f47aef5ad1b - std::panicking::begin_panic_fmt::h47f8dbf10f89e991
[INFO] [stderr]                                at src/libstd/panicking.rs:339
[INFO] [stderr]   16:     0x7f47a482cb3b - procedural_masquerade::_extract_input::hc98df88fe47aaedc
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/procedural-masquerade-0.1.6/lib.rs:204
[INFO] [stderr]   17:     0x7f47a4561699 - cssparser_macros::cssparser_internal__assert_ascii_lowercase__max_len::{{closure}}::hba401027f41754dd
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/procedural-masquerade-0.1.6/lib.rs:185
[INFO] [stderr]   18:     0x7f47a45721d0 - std::sys_common::backtrace::__rust_begin_short_backtrace::h03b549dfb1fb9e71
[INFO] [stderr]                                at /rustc/c8bdaa84ec1b37f18f30375e196a65b7602f3790/src/libstd/sys_common/backtrace.rs:130
[INFO] [stderr]   19:     0x7f47a456eaf0 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h3deb5406876c4e88
[INFO] [stderr]                                at /rustc/c8bdaa84ec1b37f18f30375e196a65b7602f3790/src/libstd/thread/mod.rs:475
[INFO] [stderr]   20:     0x7f47a4583dff - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hed6eaf1d68bbe9c1
[INFO] [stderr]                                at /rustc/c8bdaa84ec1b37f18f30375e196a65b7602f3790/src/libstd/panic.rs:318
[INFO] [stderr]   21:     0x7f47a458bdca - std::panicking::try::do_call::h3b072aa483da42cc
[INFO] [stderr]                                at /rustc/c8bdaa84ec1b37f18f30375e196a65b7602f3790/src/libstd/panicking.rs:297
[INFO] [stderr]   22:     0x7f47a458dd3d - __rust_try
[INFO] [stderr]   23:     0x7f47a458b98d - std::panicking::try::h1c98686f9ad5406e
[INFO] [stderr]                                at /rustc/c8bdaa84ec1b37f18f30375e196a65b7602f3790/src/libstd/panicking.rs:274
[INFO] [stderr]   24:     0x7f47a4585530 - std::panic::catch_unwind::hbc7e9bd1f9089a51
[INFO] [stderr]                                at /rustc/c8bdaa84ec1b37f18f30375e196a65b7602f3790/src/libstd/panic.rs:394
[INFO] [stderr]   25:     0x7f47a456e5d5 - std::thread::Builder::spawn_unchecked::{{closure}}::ha35fb89d297e9c86
[INFO] [stderr]                                at /rustc/c8bdaa84ec1b37f18f30375e196a65b7602f3790/src/libstd/thread/mod.rs:474
[INFO] [stderr]   26:     0x7f47a45734be - core::ops::function::FnOnce::call_once{{vtable.shim}}::hf2b3107bd2cbace3
[INFO] [stderr]                                at /rustc/c8bdaa84ec1b37f18f30375e196a65b7602f3790/src/libcore/ops/function.rs:232
[INFO] [stderr]   27:     0x7f47aef6a92a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h83f42f6daae90563
[INFO] [stderr]                                at /rustc/c8bdaa84ec1b37f18f30375e196a65b7602f3790/src/liballoc/boxed.rs:1076
[INFO] [stderr]   28:     0x7f47aef6a92a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hd254c5c17db8b10a
[INFO] [stderr]                                at /rustc/c8bdaa84ec1b37f18f30375e196a65b7602f3790/src/liballoc/boxed.rs:1076
[INFO] [stderr]   29:     0x7f47aef6a92a - std::sys::unix::thread::Thread::new::thread_start::h62c1349f59256f0d
[INFO] [stderr]                                at src/libstd/sys/unix/thread.rs:87
[INFO] [stderr]   30:     0x7f47aeeac609 - start_thread
[INFO] [stderr]   31:     0x7f47aedc0103 - __clone
[INFO] [stderr]   32:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] error: internal compiler error: unexpected panic
[INFO] [stderr] 
[INFO] [stderr] note: the compiler unexpectedly panicked. this is a bug.
[INFO] [stderr] 
[INFO] [stderr] note: we would appreciate a bug report: https://github.com/rust-lang/rust/blob/master/CONTRIBUTING.md#bug-reports
[INFO] [stderr] 
[INFO] [stderr] note: rustc 1.46.0-nightly (c8bdaa84e 2020-06-14) running on x86_64-unknown-linux-gnu
[INFO] [stderr] 
[INFO] [stderr] note: compiler flags: -C embed-bitcode=no -C debuginfo=2 --crate-type lib
[INFO] [stderr] 
[INFO] [stderr] note: some of the compiler flags provided by cargo are hidden
[INFO] [stderr] 
[INFO] [stderr] query stack during panic:
[INFO] [stderr] end of query stack
[INFO] [stdout] error: proc-macro derive panicked
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cssparser-0.25.5/src/macros.rs:39:17
[INFO] [stdout]    |
[INFO] [stdout] 39 |                   cssparser_internal__assert_ascii_lowercase__max_len!( $( $match_body )* )
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    | 
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cssparser-0.25.5/src/nth.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 | /             match_ignore_ascii_case! {
[INFO] [stdout] 23 | |                 &unit,
[INFO] [stdout] 24 | |                 "n" => Ok(parse_b(input, a)?),
[INFO] [stdout] 25 | |                 "n-" => Ok(parse_signless_b(input, a, -1)?),
[INFO] [stdout] ...  |
[INFO] [stdout] 29 | |                 }
[INFO] [stdout] 30 | |             }
[INFO] [stdout]    | |_____________- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = help: message: called `Result::unwrap()` on an `Err` value: Any
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] thread '<unnamed>' panicked at 'expected prefix "#[allow(unused)]" not found in "# [allow(unused)] enum ProceduralMasqueradeDummyType\n{\n    Input =\n    (0, stringify !\n     (\"even\" => Ok((2, 0)), \"odd\" => Ok((2, 1)), \"n\" =>\n      Ok(parse_b(input, 1) ?), \"-n\" => Ok(parse_b(input, - 1) ?), \"n-\" =>\n      Ok(parse_signless_b(input, 1, - 1) ?), \"-n-\" =>\n      Ok(parse_signless_b(input, - 1, - 1) ?), _ =>\n      {\n          let(slice, a) = if value . starts_with(\"-\")\n          { (& value [1 ..], - 1) } else { (& * value, 1) } ; match\n          parse_n_dash_digits(slice)\n          {\n              Ok(b) => Ok((a, b)), Err(()) =>\n              Err(input .\n                  new_basic_unexpected_token_error(Token ::\n                                                   Ident(value . clone())))\n          }\n      })) . 0\n}"', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/procedural-masquerade-0.1.6/lib.rs:204:9
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x7f47aef55b05 - backtrace::backtrace::libunwind::trace::hc3f32ba24d88242a
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stderr]    1:     0x7f47aef55b05 - backtrace::backtrace::trace_unsynchronized::haad2590418eb4c26
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x7f47aef55b05 - std::sys_common::backtrace::_print_fmt::h4397782fec59f199
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]    3:     0x7f47aef55b05 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h39652f0242246c81
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]    4:     0x7f47aef9301c - core::fmt::write::h540ac4a6a1232abc
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1076
[INFO] [stderr]    5:     0x7f47aef47e93 - std::io::Write::write_fmt::haa03b5883ee9e297
[INFO] [stderr]                                at src/libstd/io/mod.rs:1537
[INFO] [stderr]    6:     0x7f47aef5ab20 - std::sys_common::backtrace::_print::ha6d9bdf9f438acec
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]    7:     0x7f47aef5ab20 - std::sys_common::backtrace::print::ha1fba17a8e5f6bc7
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8:     0x7f47aef5ab20 - std::panicking::default_hook::{{closure}}::ha3c41e6964bb5c0e
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    9:     0x7f47aef5a86c - std::panicking::default_hook::h39b8550780094336
[INFO] [stderr]                                at src/libstd/panicking.rs:218
[INFO] [stderr]   10:     0x7f47af6685f3 - rustc_driver::report_ice::hb9af53ca6f9d0c07
[INFO] [stderr]   11:     0x7f47a4566406 - <alloc::boxed::Box<F> as core::ops::function::Fn<A>>::call::h8e987e16fdf22195
[INFO] [stderr]                                at /rustc/c8bdaa84ec1b37f18f30375e196a65b7602f3790/src/liballoc/boxed.rs:1090
[INFO] [stderr]   12:     0x7f47a45886c5 - proc_macro::bridge::client::<impl proc_macro::bridge::Bridge>::enter::{{closure}}::{{closure}}::h2b96268bf0a24c3d
[INFO] [stderr]                                at /rustc/c8bdaa84ec1b37f18f30375e196a65b7602f3790/src/libproc_macro/bridge/client.rs:318
[INFO] [stderr]   13:     0x7f47aef5b1cc - std::panicking::rust_panic_with_hook::hc8b48ce48004c103
[INFO] [stderr]                                at src/libstd/panicking.rs:481
[INFO] [stderr]   14:     0x7f47aef5adab - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:385
[INFO] [stderr]   15:     0x7f47aef5ad1b - std::panicking::begin_panic_fmt::h47f8dbf10f89e991
[INFO] [stderr]                                at src/libstd/panicking.rs:339
[INFO] [stderr]   16:     0x7f47a482cb3b - procedural_masquerade::_extract_input::hc98df88fe47aaedc
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/procedural-masquerade-0.1.6/lib.rs:204
[INFO] [stderr]   17:     0x7f47a4561699 - cssparser_macros::cssparser_internal__assert_ascii_lowercase__max_len::{{closure}}::hba401027f41754dd
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/procedural-masquerade-0.1.6/lib.rs:185
[INFO] [stderr]   18:     0x7f47a45721d0 - std::sys_common::backtrace::__rust_begin_short_backtrace::h03b549dfb1fb9e71
[INFO] [stderr]                                at /rustc/c8bdaa84ec1b37f18f30375e196a65b7602f3790/src/libstd/sys_common/backtrace.rs:130
[INFO] [stderr]   19:     0x7f47a456eaf0 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h3deb5406876c4e88
[INFO] [stderr]                                at /rustc/c8bdaa84ec1b37f18f30375e196a65b7602f3790/src/libstd/thread/mod.rs:475
[INFO] [stderr]   20:     0x7f47a4583dff - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hed6eaf1d68bbe9c1
[INFO] [stderr]                                at /rustc/c8bdaa84ec1b37f18f30375e196a65b7602f3790/src/libstd/panic.rs:318
[INFO] [stderr]   21:     0x7f47a458bdca - std::panicking::try::do_call::h3b072aa483da42cc
[INFO] [stderr]                                at /rustc/c8bdaa84ec1b37f18f30375e196a65b7602f3790/src/libstd/panicking.rs:297
[INFO] [stderr]   22:     0x7f47a458dd3d - __rust_try
[INFO] [stderr]   23:     0x7f47a458b98d - std::panicking::try::h1c98686f9ad5406e
[INFO] [stderr]                                at /rustc/c8bdaa84ec1b37f18f30375e196a65b7602f3790/src/libstd/panicking.rs:274
[INFO] [stderr]   24:     0x7f47a4585530 - std::panic::catch_unwind::hbc7e9bd1f9089a51
[INFO] [stderr]                                at /rustc/c8bdaa84ec1b37f18f30375e196a65b7602f3790/src/libstd/panic.rs:394
[INFO] [stderr]   25:     0x7f47a456e5d5 - std::thread::Builder::spawn_unchecked::{{closure}}::ha35fb89d297e9c86
[INFO] [stderr]                                at /rustc/c8bdaa84ec1b37f18f30375e196a65b7602f3790/src/libstd/thread/mod.rs:474
[INFO] [stderr]   26:     0x7f47a45734be - core::ops::function::FnOnce::call_once{{vtable.shim}}::hf2b3107bd2cbace3
[INFO] [stderr]                                at /rustc/c8bdaa84ec1b37f18f30375e196a65b7602f3790/src/libcore/ops/function.rs:232
[INFO] [stderr]   27:     0x7f47aef6a92a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h83f42f6daae90563
[INFO] [stderr]                                at /rustc/c8bdaa84ec1b37f18f30375e196a65b7602f3790/src/liballoc/boxed.rs:1076
[INFO] [stdout] error: proc-macro derive panicked
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cssparser-0.25.5/src/macros.rs:39:17
[INFO] [stdout]    |
[INFO] [stdout] 39 |                   cssparser_internal__assert_ascii_lowercase__max_len!( $( $match_body )* )
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    | 
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cssparser-0.25.5/src/nth.rs:33:13
[INFO] [stdout]    |
[INFO] [stdout] 33 | /             match_ignore_ascii_case! { &value,
[INFO] [stdout] 34 | |                 "even" => Ok((2, 0)),
[INFO] [stdout] 35 | |                 "odd" => Ok((2, 1)),
[INFO] [stdout] 36 | |                 "n" => Ok(parse_b(input, 1)?),
[INFO] [stdout] ...  |
[INFO] [stdout] 50 | |                 }
[INFO] [stdout] 51 | |             }
[INFO] [stdout]    | |_____________- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = help: message: called `Result::unwrap()` on an `Err` value: Any
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]   28:     0x7f47aef6a92a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hd254c5c17db8b10a
[INFO] [stderr]                                at /rustc/c8bdaa84ec1b37f18f30375e196a65b7602f3790/src/liballoc/boxed.rs:1076
[INFO] [stderr]   29:     0x7f47aef6a92a - std::sys::unix::thread::Thread::new::thread_start::h62c1349f59256f0d
[INFO] [stderr]                                at src/libstd/sys/unix/thread.rs:87
[INFO] [stderr]   30:     0x7f47aeeac609 - start_thread
[INFO] [stderr]   31:     0x7f47aedc0103 - __clone
[INFO] [stderr]   32:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] error: internal compiler error: unexpected panic
[INFO] [stderr] 
[INFO] [stderr] note: the compiler unexpectedly panicked. this is a bug.
[INFO] [stderr] 
[INFO] [stderr] note: we would appreciate a bug report: https://github.com/rust-lang/rust/blob/master/CONTRIBUTING.md#bug-reports
[INFO] [stderr] 
[INFO] [stderr] note: rustc 1.46.0-nightly (c8bdaa84e 2020-06-14) running on x86_64-unknown-linux-gnu
[INFO] [stderr] 
[INFO] [stderr] note: compiler flags: -C embed-bitcode=no -C debuginfo=2 --crate-type lib
[INFO] [stderr] 
[INFO] [stderr] note: some of the compiler flags provided by cargo are hidden
[INFO] [stderr] 
[INFO] [stderr] query stack during panic:
[INFO] [stderr] end of query stack
[INFO] [stderr] thread '<unnamed>' panicked at 'expected prefix "#[allow(unused)]" not found in "# [allow(unused)] enum ProceduralMasqueradeDummyType\n{\n    Input =\n    (0, stringify !\n     (\"n\" => parse_b(input, 1), \"n-\" => parse_signless_b(input, 1, - 1), _ =>\n      match parse_n_dash_digits(& * value)\n      {\n          Ok(b) => Ok((1, b)), Err(()) =>\n          Err(input .\n              new_basic_unexpected_token_error(Token ::\n                                               Ident(value . clone())))\n      })) . 0\n}"', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/procedural-masquerade-0.1.6/lib.rs:204:9
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x7f47aef55b05 - backtrace::backtrace::libunwind::trace::hc3f32ba24d88242a
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stderr]    1:     0x7f47aef55b05 - backtrace::backtrace::trace_unsynchronized::haad2590418eb4c26
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x7f47aef55b05 - std::sys_common::backtrace::_print_fmt::h4397782fec59f199
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]    3:     0x7f47aef55b05 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h39652f0242246c81
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]    4:     0x7f47aef9301c - core::fmt::write::h540ac4a6a1232abc
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1076
[INFO] [stderr]    5:     0x7f47aef47e93 - std::io::Write::write_fmt::haa03b5883ee9e297
[INFO] [stderr]                                at src/libstd/io/mod.rs:1537
[INFO] [stderr]    6:     0x7f47aef5ab20 - std::sys_common::backtrace::_print::ha6d9bdf9f438acec
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]    7:     0x7f47aef5ab20 - std::sys_common::backtrace::print::ha1fba17a8e5f6bc7
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8:     0x7f47aef5ab20 - std::panicking::default_hook::{{closure}}::ha3c41e6964bb5c0e
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    9:     0x7f47aef5a86c - std::panicking::default_hook::h39b8550780094336
[INFO] [stderr]                                at src/libstd/panicking.rs:218
[INFO] [stderr]   10:     0x7f47af6685f3 - rustc_driver::report_ice::hb9af53ca6f9d0c07
[INFO] [stderr]   11:     0x7f47a4566406 - <alloc::boxed::Box<F> as core::ops::function::Fn<A>>::call::h8e987e16fdf22195
[INFO] [stderr]                                at /rustc/c8bdaa84ec1b37f18f30375e196a65b7602f3790/src/liballoc/boxed.rs:1090
[INFO] [stderr]   12:     0x7f47a45886c5 - proc_macro::bridge::client::<impl proc_macro::bridge::Bridge>::enter::{{closure}}::{{closure}}::h2b96268bf0a24c3d
[INFO] [stderr]                                at /rustc/c8bdaa84ec1b37f18f30375e196a65b7602f3790/src/libproc_macro/bridge/client.rs:318
[INFO] [stderr]   13:     0x7f47aef5b1cc - std::panicking::rust_panic_with_hook::hc8b48ce48004c103
[INFO] [stderr]                                at src/libstd/panicking.rs:481
[INFO] [stderr]   14:     0x7f47aef5adab - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:385
[INFO] [stderr]   15:     0x7f47aef5ad1b - std::panicking::begin_panic_fmt::h47f8dbf10f89e991
[INFO] [stderr]                                at src/libstd/panicking.rs:339
[INFO] [stderr]   16:     0x7f47a482cb3b - procedural_masquerade::_extract_input::hc98df88fe47aaedc
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/procedural-masquerade-0.1.6/lib.rs:204
[INFO] [stderr]   17:     0x7f47a4561699 - cssparser_macros::cssparser_internal__assert_ascii_lowercase__max_len::{{closure}}::hba401027f41754dd
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/procedural-masquerade-0.1.6/lib.rs:185
[INFO] [stdout] error: proc-macro derive panicked
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cssparser-0.25.5/src/macros.rs:39:17
[INFO] [stdout]    |
[INFO] [stdout] 39 |                   cssparser_internal__assert_ascii_lowercase__max_len!( $( $match_body )* )
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    | 
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cssparser-0.25.5/src/nth.rs:56:17
[INFO] [stdout]    |
[INFO] [stdout] 56 | /                 match_ignore_ascii_case! { &value,
[INFO] [stdout] 57 | |                     "n" => parse_b(input, 1),
[INFO] [stdout] 58 | |                     "n-" => parse_signless_b(input, 1, -1),
[INFO] [stdout] 59 | |                     _ => match parse_n_dash_digits(&*value) {
[INFO] [stdout] ...  |
[INFO] [stdout] 62 | |                     }
[INFO] [stdout] 63 | |                 }
[INFO] [stdout]    | |_________________- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = help: message: called `Result::unwrap()` on an `Err` value: Any
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]   18:     0x7f47a45721d0 - std::sys_common::backtrace::__rust_begin_short_backtrace::h03b549dfb1fb9e71
[INFO] [stderr]                                at /rustc/c8bdaa84ec1b37f18f30375e196a65b7602f3790/src/libstd/sys_common/backtrace.rs:130
[INFO] [stderr]   19:     0x7f47a456eaf0 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h3deb5406876c4e88
[INFO] [stderr]                                at /rustc/c8bdaa84ec1b37f18f30375e196a65b7602f3790/src/libstd/thread/mod.rs:475
[INFO] [stderr]   20:     0x7f47a4583dff - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hed6eaf1d68bbe9c1
[INFO] [stderr]                                at /rustc/c8bdaa84ec1b37f18f30375e196a65b7602f3790/src/libstd/panic.rs:318
[INFO] [stderr]   21:     0x7f47a458bdca - std::panicking::try::do_call::h3b072aa483da42cc
[INFO] [stderr]                                at /rustc/c8bdaa84ec1b37f18f30375e196a65b7602f3790/src/libstd/panicking.rs:297
[INFO] [stderr]   22:     0x7f47a458dd3d - __rust_try
[INFO] [stderr]   23:     0x7f47a458b98d - std::panicking::try::h1c98686f9ad5406e
[INFO] [stderr]                                at /rustc/c8bdaa84ec1b37f18f30375e196a65b7602f3790/src/libstd/panicking.rs:274
[INFO] [stderr]   24:     0x7f47a4585530 - std::panic::catch_unwind::hbc7e9bd1f9089a51
[INFO] [stderr]                                at /rustc/c8bdaa84ec1b37f18f30375e196a65b7602f3790/src/libstd/panic.rs:394
[INFO] [stderr]   25:     0x7f47a456e5d5 - std::thread::Builder::spawn_unchecked::{{closure}}::ha35fb89d297e9c86
[INFO] [stderr]                                at /rustc/c8bdaa84ec1b37f18f30375e196a65b7602f3790/src/libstd/thread/mod.rs:474
[INFO] [stderr]   26:     0x7f47a45734be - core::ops::function::FnOnce::call_once{{vtable.shim}}::hf2b3107bd2cbace3
[INFO] [stderr]                                at /rustc/c8bdaa84ec1b37f18f30375e196a65b7602f3790/src/libcore/ops/function.rs:232
[INFO] [stderr]   27:     0x7f47aef6a92a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h83f42f6daae90563
[INFO] [stderr]                                at /rustc/c8bdaa84ec1b37f18f30375e196a65b7602f3790/src/liballoc/boxed.rs:1076
[INFO] [stderr]   28:     0x7f47aef6a92a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hd254c5c17db8b10a
[INFO] [stderr]                                at /rustc/c8bdaa84ec1b37f18f30375e196a65b7602f3790/src/liballoc/boxed.rs:1076
[INFO] [stderr]   29:     0x7f47aef6a92a - std::sys::unix::thread::Thread::new::thread_start::h62c1349f59256f0d
[INFO] [stderr]                                at src/libstd/sys/unix/thread.rs:87
[INFO] [stderr]   30:     0x7f47aeeac609 - start_thread
[INFO] [stderr]   31:     0x7f47aedc0103 - __clone
[INFO] [stderr]   32:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] error: internal compiler error: unexpected panic
[INFO] [stderr] 
[INFO] [stderr] note: the compiler unexpectedly panicked. this is a bug.
[INFO] [stderr] 
[INFO] [stderr] note: we would appreciate a bug report: https://github.com/rust-lang/rust/blob/master/CONTRIBUTING.md#bug-reports
[INFO] [stderr] 
[INFO] [stderr] note: rustc 1.46.0-nightly (c8bdaa84e 2020-06-14) running on x86_64-unknown-linux-gnu
[INFO] [stderr] 
[INFO] [stderr] note: compiler flags: -C embed-bitcode=no -C debuginfo=2 --crate-type lib
[INFO] [stderr] 
[INFO] [stderr] note: some of the compiler flags provided by cargo are hidden
[INFO] [stderr] 
[INFO] [stderr] query stack during panic:
[INFO] [stderr] end of query stack
[INFO] [stdout] error[E0425]: cannot find value `MAX_LENGTH` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cssparser-0.25.5/src/macros.rs:44:59
[INFO] [stdout]     |
[INFO] [stdout] 44  |                   cssparser_internal__to_lowercase!($input, MAX_LENGTH => lowercase);
[INFO] [stdout]     |                                                             ^^^^^^^^^^ not found in this scope
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cssparser-0.25.5/src/color.rs:227:31
[INFO] [stdout]     |
[INFO] [stdout] 227 |                   let degrees = match_ignore_ascii_case! { &*unit,
[INFO] [stdout]     |  _______________________________-
[INFO] [stdout] 228 | |                     "deg" => v,
[INFO] [stdout] 229 | |                     "grad" => v * 360. / 400.,
[INFO] [stdout] 230 | |                     "rad" => v * 360. / (2. * PI),
[INFO] [stdout] 231 | |                     "turn" => v * 360.,
[INFO] [stdout] 232 | |                     _ => return Err(location.new_unexpected_token_error(Token::Ident(unit.clone()))),
[INFO] [stdout] 233 | |                 };
[INFO] [stdout]     | |_________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `MAX_LENGTH` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cssparser-0.25.5/src/macros.rs:95:58
[INFO] [stdout]     |
[INFO] [stdout] 95  |                   cssparser_internal__to_lowercase!(input, MAX_LENGTH => lowercase);
[INFO] [stdout]     |                                                            ^^^^^^^^^^ not found in this scope
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cssparser-0.25.5/src/color.rs:371:5
[INFO] [stdout]     |
[INFO] [stdout] 371 | /     ascii_case_insensitive_phf_map! {
[INFO] [stdout] 372 | |         keyword -> Color = {
[INFO] [stdout] 373 | |             "black" => rgb!(0, 0, 0),
[INFO] [stdout] 374 | |             "silver" => rgb!(192, 192, 192),
[INFO] [stdout] ...   |
[INFO] [stdout] 525 | |         }
[INFO] [stdout] 526 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `MAP` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cssparser-0.25.5/src/macros.rs:96:40
[INFO] [stdout]     |
[INFO] [stdout] 96  |                   lowercase.and_then(|s| MAP.get(s))
[INFO] [stdout]     |                                          ^^^ not found in this scope
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cssparser-0.25.5/src/color.rs:371:5
[INFO] [stdout]     |
[INFO] [stdout] 371 | /     ascii_case_insensitive_phf_map! {
[INFO] [stdout] 372 | |         keyword -> Color = {
[INFO] [stdout] 373 | |             "black" => rgb!(0, 0, 0),
[INFO] [stdout] 374 | |             "silver" => rgb!(192, 192, 192),
[INFO] [stdout] ...   |
[INFO] [stdout] 525 | |         }
[INFO] [stdout] 526 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `MAX_LENGTH` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cssparser-0.25.5/src/macros.rs:44:59
[INFO] [stdout]     |
[INFO] [stdout] 44  |                   cssparser_internal__to_lowercase!($input, MAX_LENGTH => lowercase);
[INFO] [stdout]     |                                                             ^^^^^^^^^^ not found in this scope
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cssparser-0.25.5/src/color.rs:571:43
[INFO] [stdout]     |
[INFO] [stdout] 571 |       let (red, green, blue, uses_commas) = match_ignore_ascii_case! { name,
[INFO] [stdout]     |  ___________________________________________-
[INFO] [stdout] 572 | |         "rgb" | "rgba" => parse_rgb_components_rgb(component_parser, arguments)?,
[INFO] [stdout] 573 | |         "hsl" | "hsla" => parse_rgb_components_hsl(component_parser, arguments)?,
[INFO] [stdout] 574 | |         _ => return Err(arguments.new_unexpected_token_error(Token::Ident(name.to_owned().into()))),
[INFO] [stdout] 575 | |     };
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `MAX_LENGTH` in this scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cssparser-0.25.5/src/macros.rs:44:59
[INFO] [stdout]    |
[INFO] [stdout] 44 |                   cssparser_internal__to_lowercase!($input, MAX_LENGTH => lowercase);
[INFO] [stdout]    |                                                             ^^^^^^^^^^ not found in this scope
[INFO] [stdout]    | 
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cssparser-0.25.5/src/nth.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 | /             match_ignore_ascii_case! {
[INFO] [stdout] 23 | |                 &unit,
[INFO] [stdout] 24 | |                 "n" => Ok(parse_b(input, a)?),
[INFO] [stdout] 25 | |                 "n-" => Ok(parse_signless_b(input, a, -1)?),
[INFO] [stdout] ...  |
[INFO] [stdout] 29 | |                 }
[INFO] [stdout] 30 | |             }
[INFO] [stdout]    | |_____________- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `MAX_LENGTH` in this scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cssparser-0.25.5/src/macros.rs:44:59
[INFO] [stdout]    |
[INFO] [stdout] 44 |                   cssparser_internal__to_lowercase!($input, MAX_LENGTH => lowercase);
[INFO] [stdout]    |                                                             ^^^^^^^^^^ not found in this scope
[INFO] [stdout]    | 
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cssparser-0.25.5/src/nth.rs:33:13
[INFO] [stdout]    |
[INFO] [stdout] 33 | /             match_ignore_ascii_case! { &value,
[INFO] [stdout] 34 | |                 "even" => Ok((2, 0)),
[INFO] [stdout] 35 | |                 "odd" => Ok((2, 1)),
[INFO] [stdout] 36 | |                 "n" => Ok(parse_b(input, 1)?),
[INFO] [stdout] ...  |
[INFO] [stdout] 50 | |                 }
[INFO] [stdout] 51 | |             }
[INFO] [stdout]    | |_____________- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `MAX_LENGTH` in this scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cssparser-0.25.5/src/macros.rs:44:59
[INFO] [stdout]    |
[INFO] [stdout] 44 |                   cssparser_internal__to_lowercase!($input, MAX_LENGTH => lowercase);
[INFO] [stdout]    |                                                             ^^^^^^^^^^ not found in this scope
[INFO] [stdout]    | 
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cssparser-0.25.5/src/nth.rs:56:17
[INFO] [stdout]    |
[INFO] [stdout] 56 | /                 match_ignore_ascii_case! { &value,
[INFO] [stdout] 57 | |                     "n" => parse_b(input, 1),
[INFO] [stdout] 58 | |                     "n-" => parse_signless_b(input, 1, -1),
[INFO] [stdout] 59 | |                     _ => match parse_n_dash_digits(&*value) {
[INFO] [stdout] ...  |
[INFO] [stdout] 62 | |                     }
[INFO] [stdout] 63 | |                 }
[INFO] [stdout]    | |_________________- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking trust-dns-https v0.3.3
[INFO] [stderr]     Checking trust-dns-resolver v0.11.0
[INFO] [stdout] error: aborting due to 14 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cssparser`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "f51536d4251698d2dc55ef20c5f363cdaa81df249ee61f30cc04713bb54f8cdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f51536d4251698d2dc55ef20c5f363cdaa81df249ee61f30cc04713bb54f8cdc", kill_on_drop: false }`
[INFO] [stdout] f51536d4251698d2dc55ef20c5f363cdaa81df249ee61f30cc04713bb54f8cdc