Dec 18 13:55:32.255 INFO checking mono-0.1.0 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 13:55:32.255 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/reg/mono/0.1.0:/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 13:55:32.536 INFO [stdout] 5fd903e3f7fea1ffc7acb4f57954720d501cbdc958524a5266d8a9b650f1d369
Dec 18 13:55:32.538 INFO running `"docker" "start" "-a" "5fd903e3f7fea1ffc7acb4f57954720d501cbdc958524a5266d8a9b650f1d369"`
Dec 18 13:55:33.310 INFO [stderr]     Checking mono v0.1.0 (/opt/crater/workdir)
Dec 18 13:55:33.627 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.32s
Dec 18 13:55:33.902 INFO running `"docker" "inspect" "5fd903e3f7fea1ffc7acb4f57954720d501cbdc958524a5266d8a9b650f1d369"`
Dec 18 13:55:34.016 INFO running `"docker" "rm" "-f" "5fd903e3f7fea1ffc7acb4f57954720d501cbdc958524a5266d8a9b650f1d369"`
Dec 18 13:55:34.103 INFO [stdout] 5fd903e3f7fea1ffc7acb4f57954720d501cbdc958524a5266d8a9b650f1d369