Dec 19 10:27:31.733 INFO checking rainartists/rust_project against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 10:27:31.733 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-1/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/rainartists/rust_project:/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 10:27:32.258 INFO [stdout] 5d29f97576a9bad24a6624e49d1e915d8f8f2159b01252df7e4d8abbd27902d9
Dec 19 10:27:32.260 INFO running `"docker" "start" "-a" "5d29f97576a9bad24a6624e49d1e915d8f8f2159b01252df7e4d8abbd27902d9"`
Dec 19 10:27:33.940 INFO [stderr]     Checking termion v1.5.1
Dec 19 10:27:33.940 INFO [stderr]     Checking timer v0.2.0
Dec 19 10:27:34.902 INFO [stderr]     Checking rust_project v0.1.0 (/opt/crater/workdir)
Dec 19 10:27:35.348 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.46s
Dec 19 10:27:36.024 INFO running `"docker" "inspect" "5d29f97576a9bad24a6624e49d1e915d8f8f2159b01252df7e4d8abbd27902d9"`
Dec 19 10:27:36.294 INFO running `"docker" "rm" "-f" "5d29f97576a9bad24a6624e49d1e915d8f8f2159b01252df7e4d8abbd27902d9"`
Dec 19 10:27:36.596 INFO [stdout] 5d29f97576a9bad24a6624e49d1e915d8f8f2159b01252df7e4d8abbd27902d9