Dec 18 10:57:15.848 INFO checking spawn-ptrace-0.1.1 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 10:57:15.848 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/spawn-ptrace/0.1.1:/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 10:57:16.070 INFO [stdout] 0911c23b0c6afe0ba8fe47cb0989d7fc7dca7eb657f62bd8cf3d0e27fa7f76f0
Dec 18 10:57:16.073 INFO running `"docker" "start" "-a" "0911c23b0c6afe0ba8fe47cb0989d7fc7dca7eb657f62bd8cf3d0e27fa7f76f0"`
Dec 18 10:57:16.652 INFO [stderr]     Checking nix v0.7.0
Dec 18 10:57:19.732 INFO [stderr]     Checking spawn-ptrace v0.1.1 (/opt/crater/workdir)
Dec 18 10:57:20.964 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.34s
Dec 18 10:57:21.446 INFO running `"docker" "inspect" "0911c23b0c6afe0ba8fe47cb0989d7fc7dca7eb657f62bd8cf3d0e27fa7f76f0"`
Dec 18 10:57:21.624 INFO running `"docker" "rm" "-f" "0911c23b0c6afe0ba8fe47cb0989d7fc7dca7eb657f62bd8cf3d0e27fa7f76f0"`
Dec 18 10:57:21.751 INFO [stdout] 0911c23b0c6afe0ba8fe47cb0989d7fc7dca7eb657f62bd8cf3d0e27fa7f76f0