Dec 19 22:12:25.885 INFO checking Radical-Delta/opm against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 22:12:25.885 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-2/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/Radical-Delta/opm:/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 22:12:26.352 INFO [stdout] 45664d66eb37704d93b96b7f44e7203ccad9a861971b8a58f825f89219077221
Dec 19 22:12:26.354 INFO running `"docker" "start" "-a" "45664d66eb37704d93b96b7f44e7203ccad9a861971b8a58f825f89219077221"`
Dec 19 22:12:28.310 INFO [stderr]     Checking json v0.11.5
Dec 19 22:12:28.310 INFO [stderr]     Checking flexi_logger v0.5.2
Dec 19 22:12:29.600 INFO [stderr]     Checking opm v0.1.0 (/opt/crater/workdir)
Dec 19 22:12:29.856 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.69s
Dec 19 22:12:30.171 INFO running `"docker" "inspect" "45664d66eb37704d93b96b7f44e7203ccad9a861971b8a58f825f89219077221"`
Dec 19 22:12:30.263 INFO running `"docker" "rm" "-f" "45664d66eb37704d93b96b7f44e7203ccad9a861971b8a58f825f89219077221"`
Dec 19 22:12:30.387 INFO [stdout] 45664d66eb37704d93b96b7f44e7203ccad9a861971b8a58f825f89219077221