Dec 18 08:47:07.419 INFO checking 46bit/comms against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 08:47:07.419 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/46bit/comms:/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 08:47:07.840 INFO [stdout] c0999a439ff9b799d506583af63aaed6444d64e05aab1393807319f6f20be24c
Dec 18 08:47:07.848 INFO running `"docker" "start" "-a" "c0999a439ff9b799d506583af63aaed6444d64e05aab1393807319f6f20be24c"`
Dec 18 08:47:09.496 INFO [stderr]     Checking tokio-timer v0.1.1
Dec 18 08:47:09.512 INFO [stderr]     Checking env_logger v0.3.5
Dec 18 08:47:10.216 INFO [stderr]     Checking quickcheck v0.2.27
Dec 18 08:47:10.301 INFO [stderr]     Checking comms v0.1.4 (/opt/crater/workdir)
Dec 18 08:47:13.382 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.99s
Dec 18 08:47:13.794 INFO running `"docker" "inspect" "c0999a439ff9b799d506583af63aaed6444d64e05aab1393807319f6f20be24c"`
Dec 18 08:47:13.924 INFO running `"docker" "rm" "-f" "c0999a439ff9b799d506583af63aaed6444d64e05aab1393807319f6f20be24c"`
Dec 18 08:47:14.064 INFO [stdout] c0999a439ff9b799d506583af63aaed6444d64e05aab1393807319f6f20be24c