Dec 19 13:47:17.206 INFO checking learnmerust/forever against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 13:47:17.206 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/learnmerust/forever:/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 13:47:17.542 INFO [stdout] 34067c551ac121161e1d9b81f23835537d35482016afce4bf458974659754987
Dec 19 13:47:17.546 INFO running `"docker" "start" "-a" "34067c551ac121161e1d9b81f23835537d35482016afce4bf458974659754987"`
Dec 19 13:47:18.243 INFO [stderr]     Checking mio-uds v0.6.4
Dec 19 13:47:18.659 INFO [stderr]     Checking tokio-signal v0.1.2
Dec 19 13:47:19.078 INFO [stderr]     Checking tokio-process v0.1.4
Dec 19 13:47:19.542 INFO [stderr]     Checking forever v0.1.0 (/opt/crater/workdir)
Dec 19 13:47:19.896 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.72s
Dec 19 13:47:20.342 INFO running `"docker" "inspect" "34067c551ac121161e1d9b81f23835537d35482016afce4bf458974659754987"`
Dec 19 13:47:20.590 INFO running `"docker" "rm" "-f" "34067c551ac121161e1d9b81f23835537d35482016afce4bf458974659754987"`
Dec 19 13:47:20.788 INFO [stdout] 34067c551ac121161e1d9b81f23835537d35482016afce4bf458974659754987