Dec 18 14:08:16.220 INFO checking mathru-0.0.4 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 14:08:16.220 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/mathru/0.0.4:/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 14:08:16.414 INFO [stdout] ff2bdffe09a43989bb8005031fe1724df97bc6555b0fce3d2269b47f6718f3e6
Dec 18 14:08:16.418 INFO running `"docker" "start" "-a" "ff2bdffe09a43989bb8005031fe1724df97bc6555b0fce3d2269b47f6718f3e6"`
Dec 18 14:08:17.591 INFO [stderr] warning: only one of `license` or `license-file` is necessary
Dec 18 14:08:17.614 INFO [stderr]     Checking rand v0.6.1
Dec 18 14:08:19.658 INFO [stderr]     Checking mathru v0.0.4 (/opt/crater/workdir)
Dec 18 14:08:20.994 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.42s
Dec 18 14:08:21.309 INFO running `"docker" "inspect" "ff2bdffe09a43989bb8005031fe1724df97bc6555b0fce3d2269b47f6718f3e6"`
Dec 18 14:08:21.426 INFO running `"docker" "rm" "-f" "ff2bdffe09a43989bb8005031fe1724df97bc6555b0fce3d2269b47f6718f3e6"`
Dec 18 14:08:21.510 INFO [stdout] ff2bdffe09a43989bb8005031fe1724df97bc6555b0fce3d2269b47f6718f3e6