Dec 04 19:56:46.081 INFO checking derekdreery/w3c-idl-extractor against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 19:56:46.081 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-4/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +1df97983eb2057dc6a8f7eb364e263b51ae23230-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 04 19:56:46.688 INFO [stdout] df37002396754deadbbb90c2c04a811d5869095df6bbb6ce3ef5b8731d24e286
Dec 04 19:56:46.699 INFO running `"docker" "start" "-a" "df37002396754deadbbb90c2c04a811d5869095df6bbb6ce3ef5b8731d24e286"`
Dec 04 19:56:48.112 INFO [stderr] usermod: no changes
Dec 04 19:56:48.333 INFO [stderr]     Checking utf-8 v0.7.1
Dec 04 19:56:48.338 INFO [stderr]    Compiling string_cache_codegen v0.4.0
Dec 04 19:56:48.339 INFO [stderr]    Compiling html5ever v0.21.0
Dec 04 19:56:48.351 INFO [stderr]     Checking failure v0.1.1
Dec 04 19:56:49.851 INFO [stderr]     Checking tendril v0.4.0
Dec 04 19:56:53.933 INFO [stderr]    Compiling string_cache v0.6.2
Dec 04 19:56:53.934 INFO [stderr]    Compiling markup5ever v0.6.2
Dec 04 19:57:05.923 INFO [stderr]     Checking w3c-idl-extractor v0.1.0 (/source)
Dec 04 19:57:07.797 INFO [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
Dec 04 19:57:07.797 INFO [stderr]  --> src/lib.rs:8:5
Dec 04 19:57:07.797 INFO [stderr]   |
Dec 04 19:57:07.797 INFO [stderr] 8 | use std::ascii::AsciiExt;
Dec 04 19:57:07.797 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 04 19:57:07.797 INFO [stderr]   |
Dec 04 19:57:07.797 INFO [stderr]   = note: #[warn(deprecated)] on by default
Dec 04 19:57:07.797 INFO [stderr] 
Dec 04 19:57:07.859 INFO [stderr] warning: unused import: `std::ascii::AsciiExt`
Dec 04 19:57:07.859 INFO [stderr]  --> src/lib.rs:8:5
Dec 04 19:57:07.859 INFO [stderr]   |
Dec 04 19:57:07.859 INFO [stderr] 8 | use std::ascii::AsciiExt;
Dec 04 19:57:07.859 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 04 19:57:07.859 INFO [stderr]   |
Dec 04 19:57:07.859 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 19:57:07.859 INFO [stderr] 
Dec 04 19:57:07.919 INFO [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
Dec 04 19:57:07.919 INFO [stderr]  --> src/lib.rs:8:5
Dec 04 19:57:07.919 INFO [stderr]   |
Dec 04 19:57:07.919 INFO [stderr] 8 | use std::ascii::AsciiExt;
Dec 04 19:57:07.919 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 04 19:57:07.919 INFO [stderr]   |
Dec 04 19:57:07.919 INFO [stderr]   = note: #[warn(deprecated)] on by default
Dec 04 19:57:07.919 INFO [stderr] 
Dec 04 19:57:08.069 INFO [stderr] warning: unused import: `std::ascii::AsciiExt`
Dec 04 19:57:08.069 INFO [stderr]  --> src/lib.rs:8:5
Dec 04 19:57:08.069 INFO [stderr]   |
Dec 04 19:57:08.069 INFO [stderr] 8 | use std::ascii::AsciiExt;
Dec 04 19:57:08.069 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 04 19:57:08.069 INFO [stderr]   |
Dec 04 19:57:08.069 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 19:57:08.069 INFO [stderr] 
Dec 04 19:57:10.363 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.21s
Dec 04 19:57:10.389 INFO [stderr] su: No module specific data is present
Dec 04 19:57:11.135 INFO running `"docker" "inspect" "df37002396754deadbbb90c2c04a811d5869095df6bbb6ce3ef5b8731d24e286"`
Dec 04 19:57:11.405 INFO running `"docker" "rm" "-f" "df37002396754deadbbb90c2c04a811d5869095df6bbb6ce3ef5b8731d24e286"`
Dec 04 19:57:11.612 INFO [stdout] df37002396754deadbbb90c2c04a811d5869095df6bbb6ce3ef5b8731d24e286