Dec 18 01:27:24.009 INFO checking derekdreery/w3c-idl-extractor against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 01:27:24.009 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-0/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 01:27:24.470 INFO [stdout] a54f0c40f31f7228a8df1837e9a86b1bce9bcef4735be389aa742398586ee45a
Dec 18 01:27:24.480 INFO running `"docker" "start" "-a" "a54f0c40f31f7228a8df1837e9a86b1bce9bcef4735be389aa742398586ee45a"`
Dec 18 01:27:26.543 INFO [stderr]    Compiling string_cache_codegen v0.4.0
Dec 18 01:27:26.550 INFO [stderr]    Compiling html5ever v0.21.0
Dec 18 01:27:26.566 INFO [stderr]     Checking failure v0.1.1
Dec 18 01:27:29.424 INFO [stderr]    Compiling string_cache v0.6.2
Dec 18 01:27:29.424 INFO [stderr]    Compiling markup5ever v0.6.2
Dec 18 01:27:39.758 INFO [stderr]     Checking w3c-idl-extractor v0.1.0 (/opt/crater/workdir)
Dec 18 01:27:40.608 INFO [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
Dec 18 01:27:40.608 INFO [stderr]  --> src/lib.rs:8:5
Dec 18 01:27:40.608 INFO [stderr]   |
Dec 18 01:27:40.608 INFO [stderr] 8 | use std::ascii::AsciiExt;
Dec 18 01:27:40.608 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 18 01:27:40.608 INFO [stderr]   |
Dec 18 01:27:40.608 INFO [stderr]   = note: #[warn(deprecated)] on by default
Dec 18 01:27:40.608 INFO [stderr] 
Dec 18 01:27:40.694 INFO [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
Dec 18 01:27:40.694 INFO [stderr]  --> src/lib.rs:8:5
Dec 18 01:27:40.694 INFO [stderr]   |
Dec 18 01:27:40.694 INFO [stderr] 8 | use std::ascii::AsciiExt;
Dec 18 01:27:40.694 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 18 01:27:40.694 INFO [stderr]   |
Dec 18 01:27:40.694 INFO [stderr]   = note: #[warn(deprecated)] on by default
Dec 18 01:27:40.694 INFO [stderr] 
Dec 18 01:27:40.748 INFO [stderr] warning: unused import: `std::ascii::AsciiExt`
Dec 18 01:27:40.748 INFO [stderr]  --> src/lib.rs:8:5
Dec 18 01:27:40.748 INFO [stderr]   |
Dec 18 01:27:40.748 INFO [stderr] 8 | use std::ascii::AsciiExt;
Dec 18 01:27:40.748 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 18 01:27:40.748 INFO [stderr]   |
Dec 18 01:27:40.748 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 01:27:40.748 INFO [stderr] 
Dec 18 01:27:40.760 INFO [stderr] warning: unused import: `std::ascii::AsciiExt`
Dec 18 01:27:40.760 INFO [stderr]  --> src/lib.rs:8:5
Dec 18 01:27:40.760 INFO [stderr]   |
Dec 18 01:27:40.760 INFO [stderr] 8 | use std::ascii::AsciiExt;
Dec 18 01:27:40.760 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 18 01:27:40.760 INFO [stderr]   |
Dec 18 01:27:40.760 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 01:27:40.760 INFO [stderr] 
Dec 18 01:27:41.660 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.30s
Dec 18 01:27:42.846 INFO running `"docker" "inspect" "a54f0c40f31f7228a8df1837e9a86b1bce9bcef4735be389aa742398586ee45a"`
Dec 18 01:27:43.165 INFO running `"docker" "rm" "-f" "a54f0c40f31f7228a8df1837e9a86b1bce9bcef4735be389aa742398586ee45a"`
Dec 18 01:27:43.507 INFO [stdout] a54f0c40f31f7228a8df1837e9a86b1bce9bcef4735be389aa742398586ee45a