Dec 04 19:56:46.440 INFO checking derekdreery/w3c-idl-extractor against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 19:56:46.440 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-1/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 19:56:46.868 INFO [stdout] f4d7906af0b573ffa7c6de519e6e0b4966357618316f9edc318d07ce88afcb04
Dec 04 19:56:46.875 INFO running `"docker" "start" "-a" "f4d7906af0b573ffa7c6de519e6e0b4966357618316f9edc318d07ce88afcb04"`
Dec 04 19:56:48.266 INFO [stderr] usermod: no changes
Dec 04 19:56:48.443 INFO [stderr]    Compiling string_cache_codegen v0.4.0
Dec 04 19:56:48.443 INFO [stderr]    Compiling html5ever v0.21.0
Dec 04 19:56:48.451 INFO [stderr]     Checking tendril v0.4.0
Dec 04 19:56:48.451 INFO [stderr]     Checking failure v0.1.1
Dec 04 19:56:53.715 INFO [stderr]    Compiling string_cache v0.6.2
Dec 04 19:56:53.715 INFO [stderr]    Compiling markup5ever v0.6.2
Dec 04 19:57:05.563 INFO [stderr]     Checking w3c-idl-extractor v0.1.0 (/source)
Dec 04 19:57:07.543 INFO [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
Dec 04 19:57:07.543 INFO [stderr]  --> src/lib.rs:8:5
Dec 04 19:57:07.543 INFO [stderr]   |
Dec 04 19:57:07.543 INFO [stderr] 8 | use std::ascii::AsciiExt;
Dec 04 19:57:07.543 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 04 19:57:07.543 INFO [stderr]   |
Dec 04 19:57:07.543 INFO [stderr]   = note: #[warn(deprecated)] on by default
Dec 04 19:57:07.543 INFO [stderr] 
Dec 04 19:57:07.611 INFO [stderr] warning: unused import: `std::ascii::AsciiExt`
Dec 04 19:57:07.611 INFO [stderr]  --> src/lib.rs:8:5
Dec 04 19:57:07.611 INFO [stderr]   |
Dec 04 19:57:07.611 INFO [stderr] 8 | use std::ascii::AsciiExt;
Dec 04 19:57:07.611 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 04 19:57:07.611 INFO [stderr]   |
Dec 04 19:57:07.611 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 19:57:07.611 INFO [stderr] 
Dec 04 19:57:07.735 INFO [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
Dec 04 19:57:07.735 INFO [stderr]  --> src/lib.rs:8:5
Dec 04 19:57:07.735 INFO [stderr]   |
Dec 04 19:57:07.735 INFO [stderr] 8 | use std::ascii::AsciiExt;
Dec 04 19:57:07.735 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 04 19:57:07.735 INFO [stderr]   |
Dec 04 19:57:07.735 INFO [stderr]   = note: #[warn(deprecated)] on by default
Dec 04 19:57:07.735 INFO [stderr] 
Dec 04 19:57:07.775 INFO [stderr] warning: unused import: `std::ascii::AsciiExt`
Dec 04 19:57:07.775 INFO [stderr]  --> src/lib.rs:8:5
Dec 04 19:57:07.775 INFO [stderr]   |
Dec 04 19:57:07.775 INFO [stderr] 8 | use std::ascii::AsciiExt;
Dec 04 19:57:07.775 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 04 19:57:07.775 INFO [stderr]   |
Dec 04 19:57:07.775 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 19:57:07.775 INFO [stderr] 
Dec 04 19:57:10.152 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.85s
Dec 04 19:57:10.158 INFO [stderr] su: No module specific data is present
Dec 04 19:57:11.011 INFO running `"docker" "inspect" "f4d7906af0b573ffa7c6de519e6e0b4966357618316f9edc318d07ce88afcb04"`
Dec 04 19:57:11.325 INFO running `"docker" "rm" "-f" "f4d7906af0b573ffa7c6de519e6e0b4966357618316f9edc318d07ce88afcb04"`
Dec 04 19:57:11.623 INFO [stdout] f4d7906af0b573ffa7c6de519e6e0b4966357618316f9edc318d07ce88afcb04