Dec 19 18:04:06.176 INFO checking derekdreery/w3c-idl-extractor against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 18:04:06.176 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-0/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/derekdreery/w3c-idl-extractor:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 18:04:06.737 INFO [stdout] 054782dd44930f6d97ff96cfdb9756231f994b3c818b8a6f9569ba675a85751f
Dec 19 18:04:06.743 INFO running `"docker" "start" "-a" "054782dd44930f6d97ff96cfdb9756231f994b3c818b8a6f9569ba675a85751f"`
Dec 19 18:04:08.603 INFO [stderr]    Compiling string_cache_codegen v0.4.0
Dec 19 18:04:08.608 INFO [stderr]    Compiling html5ever v0.21.0
Dec 19 18:04:08.612 INFO [stderr]     Checking tendril v0.4.0
Dec 19 18:04:08.620 INFO [stderr]     Checking failure v0.1.1
Dec 19 18:04:12.920 INFO [stderr]    Compiling string_cache v0.6.2
Dec 19 18:04:12.928 INFO [stderr]    Compiling markup5ever v0.6.2
Dec 19 18:04:23.247 INFO [stderr]     Checking w3c-idl-extractor v0.1.0 (/opt/crater/workdir)
Dec 19 18:04:23.860 INFO [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
Dec 19 18:04:23.860 INFO [stderr]  --> src/lib.rs:8:5
Dec 19 18:04:23.860 INFO [stderr]   |
Dec 19 18:04:23.860 INFO [stderr] 8 | use std::ascii::AsciiExt;
Dec 19 18:04:23.860 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 19 18:04:23.860 INFO [stderr]   |
Dec 19 18:04:23.860 INFO [stderr]   = note: #[warn(deprecated)] on by default
Dec 19 18:04:23.860 INFO [stderr] 
Dec 19 18:04:23.915 INFO [stderr] warning: unused import: `std::ascii::AsciiExt`
Dec 19 18:04:23.915 INFO [stderr]  --> src/lib.rs:8:5
Dec 19 18:04:23.915 INFO [stderr]   |
Dec 19 18:04:23.915 INFO [stderr] 8 | use std::ascii::AsciiExt;
Dec 19 18:04:23.915 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 19 18:04:23.915 INFO [stderr]   |
Dec 19 18:04:23.915 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 18:04:23.915 INFO [stderr] 
Dec 19 18:04:24.116 INFO [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
Dec 19 18:04:24.117 INFO [stderr]  --> src/lib.rs:8:5
Dec 19 18:04:24.117 INFO [stderr]   |
Dec 19 18:04:24.117 INFO [stderr] 8 | use std::ascii::AsciiExt;
Dec 19 18:04:24.117 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 19 18:04:24.118 INFO [stderr]   |
Dec 19 18:04:24.118 INFO [stderr]   = note: #[warn(deprecated)] on by default
Dec 19 18:04:24.118 INFO [stderr] 
Dec 19 18:04:24.308 INFO [stderr] warning: unused import: `std::ascii::AsciiExt`
Dec 19 18:04:24.308 INFO [stderr]  --> src/lib.rs:8:5
Dec 19 18:04:24.308 INFO [stderr]   |
Dec 19 18:04:24.308 INFO [stderr] 8 | use std::ascii::AsciiExt;
Dec 19 18:04:24.308 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 19 18:04:24.308 INFO [stderr]   |
Dec 19 18:04:24.308 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 18:04:24.308 INFO [stderr] 
Dec 19 18:04:25.089 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.60s
Dec 19 18:04:26.941 INFO running `"docker" "inspect" "054782dd44930f6d97ff96cfdb9756231f994b3c818b8a6f9569ba675a85751f"`
Dec 19 18:04:27.192 INFO running `"docker" "rm" "-f" "054782dd44930f6d97ff96cfdb9756231f994b3c818b8a6f9569ba675a85751f"`
Dec 19 18:04:27.495 INFO [stdout] 054782dd44930f6d97ff96cfdb9756231f994b3c818b8a6f9569ba675a85751f