Dec 17 19:12:45.351 INFO checking mthom/rusty-wam against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 19:12:45.351 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/mthom/rusty-wam:/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 19:12:45.676 INFO [stdout] 032053dac6e961cfde43bd672d0c0c62e58f206ef69758868906105f3cb721cd
Dec 17 19:12:45.682 INFO running `"docker" "start" "-a" "032053dac6e961cfde43bd672d0c0c62e58f206ef69758868906105f3cb721cd"`
Dec 17 19:12:47.461 INFO [stderr]     Checking downcast v0.9.1
Dec 17 19:12:47.466 INFO [stderr]     Checking termion v1.5.1
Dec 17 19:12:47.482 INFO [stderr]     Checking ordered-float v0.5.0
Dec 17 19:12:48.272 INFO [stderr]     Checking prolog_parser v0.7.18
Dec 17 19:12:49.633 INFO [stderr]     Checking rusty-wam v0.7.16 (/opt/crater/workdir)
Dec 17 19:12:56.459 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.14s
Dec 17 19:12:57.190 INFO running `"docker" "inspect" "032053dac6e961cfde43bd672d0c0c62e58f206ef69758868906105f3cb721cd"`
Dec 17 19:12:57.480 INFO running `"docker" "rm" "-f" "032053dac6e961cfde43bd672d0c0c62e58f206ef69758868906105f3cb721cd"`
Dec 17 19:12:57.828 INFO [stdout] 032053dac6e961cfde43bd672d0c0c62e58f206ef69758868906105f3cb721cd