Dec 18 14:52:58.220 INFO checking iron-pack-0.3.0 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 14:52:58.220 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/iron-pack/0.3.0:/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 14:52:58.452 INFO [stdout] 9e5cb01d11fa003bf734ff0f7603a45dfbfd7e7c409121cbad34c7cedeeca4c2
Dec 18 14:52:58.458 INFO running `"docker" "start" "-a" "9e5cb01d11fa003bf734ff0f7603a45dfbfd7e7c409121cbad34c7cedeeca4c2"`
Dec 18 14:52:59.556 INFO [stderr]     Checking alloc-no-stdlib v1.2.0
Dec 18 14:52:59.932 INFO [stderr]     Checking brotli-decompressor v1.2.1
Dec 18 14:53:02.388 INFO [stderr]     Checking brotli v1.2.0
Dec 18 14:53:13.308 INFO [stderr]     Checking iron-pack v0.3.0 (/opt/crater/workdir)
Dec 18 14:53:15.009 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.54s
Dec 18 14:53:15.369 INFO running `"docker" "inspect" "9e5cb01d11fa003bf734ff0f7603a45dfbfd7e7c409121cbad34c7cedeeca4c2"`
Dec 18 14:53:15.452 INFO running `"docker" "rm" "-f" "9e5cb01d11fa003bf734ff0f7603a45dfbfd7e7c409121cbad34c7cedeeca4c2"`
Dec 18 14:53:15.524 INFO [stdout] 9e5cb01d11fa003bf734ff0f7603a45dfbfd7e7c409121cbad34c7cedeeca4c2