Dec 17 18:22:03.832 INFO checking opcow/fe_o2 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 18:22:03.832 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/opcow/fe_o2:/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 17 18:22:06.955 INFO [stdout] 64f4414c0e823a42c7ecab23c9656921bf40d12d08838287602466e22925bfe0
Dec 17 18:22:06.957 INFO running `"docker" "start" "-a" "64f4414c0e823a42c7ecab23c9656921bf40d12d08838287602466e22925bfe0"`
Dec 17 18:22:12.550 INFO [stderr]     Checking ascii v0.9.1
Dec 17 18:22:12.949 INFO [stderr]     Checking fe_o2 v0.1.0 (/opt/crater/workdir)
Dec 17 18:22:13.760 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.36s
Dec 17 18:22:14.875 INFO running `"docker" "inspect" "64f4414c0e823a42c7ecab23c9656921bf40d12d08838287602466e22925bfe0"`
Dec 17 18:22:15.143 INFO running `"docker" "rm" "-f" "64f4414c0e823a42c7ecab23c9656921bf40d12d08838287602466e22925bfe0"`
Dec 17 18:22:15.502 INFO [stdout] 64f4414c0e823a42c7ecab23c9656921bf40d12d08838287602466e22925bfe0