Dec 19 15:43:30.743 INFO checking indiscipline/rpp-nudger against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 15:43:30.743 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-0/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/indiscipline/rpp-nudger:/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 15:43:30.904 INFO [stdout] a941c4423da284addef878fb3e78cfbce32cd8ed7efa1c75119a376a8d0579e2
Dec 19 15:43:30.909 INFO running `"docker" "start" "-a" "a941c4423da284addef878fb3e78cfbce32cd8ed7efa1c75119a376a8d0579e2"`
Dec 19 15:43:31.600 INFO [stderr]     Checking regex-syntax v0.3.7
Dec 19 15:43:31.608 INFO [stderr]     Checking clap v2.14.0
Dec 19 15:43:33.861 INFO [stderr]     Checking regex v0.1.77
Dec 19 15:43:37.237 INFO [stderr]     Checking rpp-nudger v0.0.1 (/opt/crater/workdir)
Dec 19 15:43:37.942 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.40s
Dec 19 15:43:38.840 INFO running `"docker" "inspect" "a941c4423da284addef878fb3e78cfbce32cd8ed7efa1c75119a376a8d0579e2"`
Dec 19 15:43:39.194 INFO running `"docker" "rm" "-f" "a941c4423da284addef878fb3e78cfbce32cd8ed7efa1c75119a376a8d0579e2"`
Dec 19 15:43:39.500 INFO [stdout] a941c4423da284addef878fb3e78cfbce32cd8ed7efa1c75119a376a8d0579e2