Dec 18 18:08:08.537 INFO checking bitset-0.1.2 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 18:08:08.537 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-0/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/bitset/0.1.2:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 18:08:08.949 INFO [stdout] 06836a107142478b0d02d69aeac1b7e94ea4b50eb5e1dfe0c0516239c1ee336d
Dec 18 18:08:08.954 INFO running `"docker" "start" "-a" "06836a107142478b0d02d69aeac1b7e94ea4b50eb5e1dfe0c0516239c1ee336d"`
Dec 18 18:08:09.845 INFO [stderr] warning: unused manifest key: package.appveyor
Dec 18 18:08:09.846 INFO [stderr] warning: unused manifest key: package.travis-ci
Dec 18 18:08:09.846 INFO [stderr]     Checking bitset v0.1.2 (/opt/crater/workdir)
Dec 18 18:08:10.172 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.34s
Dec 18 18:08:10.456 INFO running `"docker" "inspect" "06836a107142478b0d02d69aeac1b7e94ea4b50eb5e1dfe0c0516239c1ee336d"`
Dec 18 18:08:10.520 INFO running `"docker" "rm" "-f" "06836a107142478b0d02d69aeac1b7e94ea4b50eb5e1dfe0c0516239c1ee336d"`
Dec 18 18:08:10.584 INFO [stdout] 06836a107142478b0d02d69aeac1b7e94ea4b50eb5e1dfe0c0516239c1ee336d