Dec 18 10:35:40.735 INFO checking syn-next-0.15.0-rc4 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 10:35:40.736 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/syn-next/0.15.0-rc4:/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 10:35:40.914 INFO [stdout] 8734785d57b1d43c758bd424f72b90d6bffefabdeb22ceb6369af238a01ebd2b
Dec 18 10:35:40.918 INFO running `"docker" "start" "-a" "8734785d57b1d43c758bd424f72b90d6bffefabdeb22ceb6369af238a01ebd2b"`
Dec 18 10:35:41.696 INFO [stderr]     Checking syn-next v0.15.0-rc4 (/opt/crater/workdir)
Dec 18 10:35:44.454 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.82s
Dec 18 10:35:44.794 INFO running `"docker" "inspect" "8734785d57b1d43c758bd424f72b90d6bffefabdeb22ceb6369af238a01ebd2b"`
Dec 18 10:35:44.922 INFO running `"docker" "rm" "-f" "8734785d57b1d43c758bd424f72b90d6bffefabdeb22ceb6369af238a01ebd2b"`
Dec 18 10:35:45.076 INFO [stdout] 8734785d57b1d43c758bd424f72b90d6bffefabdeb22ceb6369af238a01ebd2b