Dec 18 12:08:11.395 INFO checking root-io-0.1.1 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 12:08:11.395 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/root-io/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 12:08:11.801 INFO [stdout] f9301654e87a5bff5159b60cb6bfa3f7a72c2aa41e77afecb773a2fe5fefa1cd
Dec 18 12:08:11.803 INFO running `"docker" "start" "-a" "f9301654e87a5bff5159b60cb6bfa3f7a72c2aa41e77afecb773a2fe5fefa1cd"`
Dec 18 12:08:13.264 INFO [stderr]    Compiling lzma-sys v0.1.12
Dec 18 12:08:14.889 INFO [stderr]     Checking xz2 v0.1.6
Dec 18 12:08:15.434 INFO [stderr]     Checking root-io v0.1.1 (/opt/crater/workdir)
Dec 18 12:08:23.416 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.24s
Dec 18 12:08:23.962 INFO running `"docker" "inspect" "f9301654e87a5bff5159b60cb6bfa3f7a72c2aa41e77afecb773a2fe5fefa1cd"`
Dec 18 12:08:24.140 INFO running `"docker" "rm" "-f" "f9301654e87a5bff5159b60cb6bfa3f7a72c2aa41e77afecb773a2fe5fefa1cd"`
Dec 18 12:08:24.315 INFO [stdout] f9301654e87a5bff5159b60cb6bfa3f7a72c2aa41e77afecb773a2fe5fefa1cd