Dec 17 19:54:59.561 INFO checking maxjacobson/regular.rs against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 19:54:59.561 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/gh/maxjacobson/regular.rs:/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 19:55:00.137 INFO [stdout] 57e210d8bda321ba870f782926cfcf37a834eff117bfd5a6460bb7917dea7f1e
Dec 17 19:55:00.140 INFO running `"docker" "start" "-a" "57e210d8bda321ba870f782926cfcf37a834eff117bfd5a6460bb7917dea7f1e"`
Dec 17 19:55:02.037 INFO [stderr]    Compiling syn v0.11.4
Dec 17 19:55:07.332 INFO [stderr]    Compiling regular-derive v0.1.0 (/opt/crater/workdir/regular-derive)
Dec 17 19:55:08.168 INFO [stderr]     Checking regular v0.1.0 (/opt/crater/workdir)
Dec 17 19:55:08.451 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.45s
Dec 17 19:55:09.068 INFO running `"docker" "inspect" "57e210d8bda321ba870f782926cfcf37a834eff117bfd5a6460bb7917dea7f1e"`
Dec 17 19:55:09.406 INFO running `"docker" "rm" "-f" "57e210d8bda321ba870f782926cfcf37a834eff117bfd5a6460bb7917dea7f1e"`
Dec 17 19:55:09.500 INFO [stdout] 57e210d8bda321ba870f782926cfcf37a834eff117bfd5a6460bb7917dea7f1e