Dec 19 19:48:41.922 INFO checking bkputnam/rust-number-printer against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 19:48:41.922 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/bkputnam/rust-number-printer:/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 19:48:42.226 INFO [stdout] ad88757984f319106bdd6b8f94c693f9c646c94b1e6c8b4eebf2a64d2e5fa1a7
Dec 19 19:48:42.230 INFO running `"docker" "start" "-a" "ad88757984f319106bdd6b8f94c693f9c646c94b1e6c8b4eebf2a64d2e5fa1a7"`
Dec 19 19:48:42.997 INFO [stderr]     Checking printer v0.1.0 (/opt/crater/workdir)
Dec 19 19:48:43.225 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.24s
Dec 19 19:48:43.506 INFO running `"docker" "inspect" "ad88757984f319106bdd6b8f94c693f9c646c94b1e6c8b4eebf2a64d2e5fa1a7"`
Dec 19 19:48:43.599 INFO running `"docker" "rm" "-f" "ad88757984f319106bdd6b8f94c693f9c646c94b1e6c8b4eebf2a64d2e5fa1a7"`
Dec 19 19:48:43.708 INFO [stdout] ad88757984f319106bdd6b8f94c693f9c646c94b1e6c8b4eebf2a64d2e5fa1a7