Dec 18 02:29:25.332 INFO checking chris007de/flex against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252 Dec 18 02:29:25.332 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-1/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/chris007de/flex:/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 02:29:25.476 INFO [stdout] 035b55bc10e5710d1e2d39a634229bf9578659f5bfe33a9d6c709cc5a05c3d1b Dec 18 02:29:25.482 INFO running `"docker" "start" "-a" "035b55bc10e5710d1e2d39a634229bf9578659f5bfe33a9d6c709cc5a05c3d1b"` Dec 18 02:29:26.092 INFO [stderr] Checking serde v1.0.20 Dec 18 02:29:26.097 INFO [stderr] Checking bit_reverse v0.1.7 Dec 18 02:29:26.098 INFO [stderr] Checking chrono v0.4.0 Dec 18 02:29:33.559 INFO [stderr] Checking serde_json v1.0.6 Dec 18 02:29:35.208 INFO [stderr] Checking flex v0.1.0 (/opt/crater/workdir) Dec 18 02:29:37.811 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 11.76s Dec 18 02:29:38.306 INFO running `"docker" "inspect" "035b55bc10e5710d1e2d39a634229bf9578659f5bfe33a9d6c709cc5a05c3d1b"` Dec 18 02:29:38.501 INFO running `"docker" "rm" "-f" "035b55bc10e5710d1e2d39a634229bf9578659f5bfe33a9d6c709cc5a05c3d1b"` Dec 18 02:29:38.662 INFO [stdout] 035b55bc10e5710d1e2d39a634229bf9578659f5bfe33a9d6c709cc5a05c3d1b