Dec 17 22:42:33.695 INFO checking jackwillis/rtttl against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 22:42:33.695 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/jackwillis/rtttl:/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 17 22:42:34.060 INFO [stdout] c920f9612e1f97e381fd92c1d9407973b8033fdad3227cb1edc90562b1a83f99
Dec 17 22:42:34.066 INFO running `"docker" "start" "-a" "c920f9612e1f97e381fd92c1d9407973b8033fdad3227cb1edc90562b1a83f99"`
Dec 17 22:42:35.802 INFO [stderr]     Checking num-bigint v0.1.39
Dec 17 22:42:36.839 INFO [stderr]     Checking num-rational v0.1.38
Dec 17 22:42:37.313 INFO [stderr]     Checking rtttl v0.1.0 (/opt/crater/workdir)
Dec 17 22:42:38.344 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.67s
Dec 17 22:42:39.202 INFO running `"docker" "inspect" "c920f9612e1f97e381fd92c1d9407973b8033fdad3227cb1edc90562b1a83f99"`
Dec 17 22:42:39.522 INFO running `"docker" "rm" "-f" "c920f9612e1f97e381fd92c1d9407973b8033fdad3227cb1edc90562b1a83f99"`
Dec 17 22:42:39.843 INFO [stdout] c920f9612e1f97e381fd92c1d9407973b8033fdad3227cb1edc90562b1a83f99