Nov 30 04:15:43.577 INFO checking derekdreery/w3c-idl-extractor against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 30 04:15:43.577 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-7/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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"`
Nov 30 04:15:44.022 INFO [stdout] 5f56bdd78318bfca3b192c2eae200c6ecdb4cfd4d919159039c86045a5d96fcd
Nov 30 04:15:44.024 INFO running `"docker" "start" "-a" "5f56bdd78318bfca3b192c2eae200c6ecdb4cfd4d919159039c86045a5d96fcd"`
Nov 30 04:15:45.519 INFO [stderr] usermod: no changes
Nov 30 04:15:45.766 INFO [stderr]     Checking serde v1.0.23
Nov 30 04:15:45.766 INFO [stderr]    Compiling string_cache_codegen v0.4.0
Nov 30 04:15:45.784 INFO [stderr]    Compiling html5ever v0.21.0
Nov 30 04:15:45.788 INFO [stderr]     Checking failure v0.1.1
Nov 30 04:15:51.281 INFO [stderr]    Compiling string_cache v0.6.2
Nov 30 04:15:51.284 INFO [stderr]    Compiling markup5ever v0.6.2
Nov 30 04:16:08.029 INFO [stderr]     Checking w3c-idl-extractor v0.1.0 (/source)
Nov 30 04:16:09.852 INFO [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
Nov 30 04:16:09.852 INFO [stderr]  --> src/lib.rs:8:5
Nov 30 04:16:09.852 INFO [stderr]   |
Nov 30 04:16:09.853 INFO [stderr] 8 | use std::ascii::AsciiExt;
Nov 30 04:16:09.853 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Nov 30 04:16:09.853 INFO [stderr]   |
Nov 30 04:16:09.853 INFO [stderr]   = note: #[warn(deprecated)] on by default
Nov 30 04:16:09.853 INFO [stderr] 
Nov 30 04:16:09.912 INFO [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
Nov 30 04:16:09.912 INFO [stderr]  --> src/lib.rs:8:5
Nov 30 04:16:09.912 INFO [stderr]   |
Nov 30 04:16:09.912 INFO [stderr] 8 | use std::ascii::AsciiExt;
Nov 30 04:16:09.912 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Nov 30 04:16:09.912 INFO [stderr]   |
Nov 30 04:16:09.912 INFO [stderr]   = note: #[warn(deprecated)] on by default
Nov 30 04:16:09.912 INFO [stderr] 
Nov 30 04:16:09.948 INFO [stderr] warning: unused import: `std::ascii::AsciiExt`
Nov 30 04:16:09.948 INFO [stderr]  --> src/lib.rs:8:5
Nov 30 04:16:09.949 INFO [stderr]   |
Nov 30 04:16:09.949 INFO [stderr] 8 | use std::ascii::AsciiExt;
Nov 30 04:16:09.949 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Nov 30 04:16:09.951 INFO [stderr]   |
Nov 30 04:16:09.951 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 04:16:09.951 INFO [stderr] 
Nov 30 04:16:10.052 INFO [stderr] warning: unused import: `std::ascii::AsciiExt`
Nov 30 04:16:10.052 INFO [stderr]  --> src/lib.rs:8:5
Nov 30 04:16:10.052 INFO [stderr]   |
Nov 30 04:16:10.052 INFO [stderr] 8 | use std::ascii::AsciiExt;
Nov 30 04:16:10.052 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Nov 30 04:16:10.052 INFO [stderr]   |
Nov 30 04:16:10.052 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 04:16:10.052 INFO [stderr] 
Nov 30 04:16:12.307 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.76s
Nov 30 04:16:12.316 INFO [stderr] su: No module specific data is present
Nov 30 04:16:13.352 INFO running `"docker" "inspect" "5f56bdd78318bfca3b192c2eae200c6ecdb4cfd4d919159039c86045a5d96fcd"`
Nov 30 04:16:13.676 INFO running `"docker" "rm" "-f" "5f56bdd78318bfca3b192c2eae200c6ecdb4cfd4d919159039c86045a5d96fcd"`
Nov 30 04:16:13.988 INFO [stdout] 5f56bdd78318bfca3b192c2eae200c6ecdb4cfd4d919159039c86045a5d96fcd