Dec 19 10:10:30.160 INFO checking richardanaya/webcomponent-rs against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 10:10:30.160 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-6/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/richardanaya/webcomponent-rs:/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 10:10:30.529 INFO [stdout] 5d5692866cefdfd7c06fdc88cff6f1d543c3af676e3628e7f5cb35e55d876f87
Dec 19 10:10:30.531 INFO running `"docker" "start" "-a" "5d5692866cefdfd7c06fdc88cff6f1d543c3af676e3628e7f5cb35e55d876f87"`
Dec 19 10:10:32.102 INFO [stderr]     Checking serde v1.0.26
Dec 19 10:10:41.950 INFO [stderr]     Checking serde_json v1.0.9
Dec 19 10:10:44.038 INFO [stderr]     Checking stdweb v0.2.2
Dec 19 10:11:00.090 INFO [stderr]     Checking webcomponent v0.0.5 (/opt/crater/workdir)
Dec 19 10:11:01.948 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.87s
Dec 19 10:11:02.588 INFO running `"docker" "inspect" "5d5692866cefdfd7c06fdc88cff6f1d543c3af676e3628e7f5cb35e55d876f87"`
Dec 19 10:11:03.040 INFO running `"docker" "rm" "-f" "5d5692866cefdfd7c06fdc88cff6f1d543c3af676e3628e7f5cb35e55d876f87"`
Dec 19 10:11:03.372 INFO [stdout] 5d5692866cefdfd7c06fdc88cff6f1d543c3af676e3628e7f5cb35e55d876f87