Dec 19 21:04:11.389 INFO checking adamjc/rust-todo against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 21:04:11.389 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-4/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/adamjc/rust-todo:/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 21:04:11.648 INFO [stdout] c17f5649184c5f9d0a317424a94dabb1da281b4ef3a1135876e59b4e150cecef
Dec 19 21:04:11.656 INFO running `"docker" "start" "-a" "c17f5649184c5f9d0a317424a94dabb1da281b4ef3a1135876e59b4e150cecef"`
Dec 19 21:04:12.956 INFO [stderr]     Checking regex v1.0.5
Dec 19 21:04:15.484 INFO [stderr]     Checking docopt v1.0.2
Dec 19 21:04:16.729 INFO [stderr]     Checking rust-todo v0.1.0 (/opt/crater/workdir)
Dec 19 21:04:17.358 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.51s
Dec 19 21:04:17.890 INFO running `"docker" "inspect" "c17f5649184c5f9d0a317424a94dabb1da281b4ef3a1135876e59b4e150cecef"`
Dec 19 21:04:18.132 INFO running `"docker" "rm" "-f" "c17f5649184c5f9d0a317424a94dabb1da281b4ef3a1135876e59b4e150cecef"`
Dec 19 21:04:18.436 INFO [stdout] c17f5649184c5f9d0a317424a94dabb1da281b4ef3a1135876e59b4e150cecef