Dec 19 10:22:52.177 INFO checking razorheadfx/mdlog against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 10:22:52.177 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-7/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/razorheadfx/mdlog:/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 10:22:52.361 INFO [stdout] 4c45e1fa1fe47a05ca10df95b2ffc34614eb433472df0de49a0f7d88045f22cf
Dec 19 10:22:52.363 INFO running `"docker" "start" "-a" "4c45e1fa1fe47a05ca10df95b2ffc34614eb433472df0de49a0f7d88045f22cf"`
Dec 19 10:22:52.980 INFO [stderr]    Compiling syn v0.15.21
Dec 19 10:23:00.752 INFO [stderr]    Compiling structopt-derive v0.2.13
Dec 19 10:23:03.394 INFO [stderr]     Checking structopt v0.2.13
Dec 19 10:23:03.652 INFO [stderr]     Checking mdlog v0.1.0 (/opt/crater/workdir)
Dec 19 10:23:04.178 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.26s
Dec 19 10:23:04.638 INFO running `"docker" "inspect" "4c45e1fa1fe47a05ca10df95b2ffc34614eb433472df0de49a0f7d88045f22cf"`
Dec 19 10:23:04.830 INFO running `"docker" "rm" "-f" "4c45e1fa1fe47a05ca10df95b2ffc34614eb433472df0de49a0f7d88045f22cf"`
Dec 19 10:23:04.949 INFO [stdout] 4c45e1fa1fe47a05ca10df95b2ffc34614eb433472df0de49a0f7d88045f22cf