Dec 19 15:57:26.338 INFO checking hyone/rust-wc against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 15:57:26.338 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-7/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/hyone/rust-wc:/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 15:57:26.817 INFO [stdout] f830e8204f88db0d8862b603c52ee388bc4b88c81c7f64b591d3032fc25f7b75
Dec 19 15:57:26.819 INFO running `"docker" "start" "-a" "f830e8204f88db0d8862b603c52ee388bc4b88c81c7f64b591d3032fc25f7b75"`
Dec 19 15:57:28.809 INFO [stderr]     Checking thread_local v0.3.4
Dec 19 15:57:29.365 INFO [stderr]     Checking regex v0.2.2
Dec 19 15:57:31.546 INFO [stderr]     Checking docopt v0.8.1
Dec 19 15:57:33.019 INFO [stderr]     Checking wc v0.1.1 (/opt/crater/workdir)
Dec 19 15:57:36.204 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.49s
Dec 19 15:57:37.706 INFO running `"docker" "inspect" "f830e8204f88db0d8862b603c52ee388bc4b88c81c7f64b591d3032fc25f7b75"`
Dec 19 15:57:37.970 INFO running `"docker" "rm" "-f" "f830e8204f88db0d8862b603c52ee388bc4b88c81c7f64b591d3032fc25f7b75"`
Dec 19 15:57:38.336 INFO [stdout] f830e8204f88db0d8862b603c52ee388bc4b88c81c7f64b591d3032fc25f7b75