Dec 17 17:13:58.529 INFO checking razorheadfx/mdlog against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 17:13:58.529 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 17:13:58.705 INFO [stdout] 094e34d11155a32fc9351b59e5119129549073f1183e8216e287f2114fd9d5c5
Dec 17 17:13:58.707 INFO running `"docker" "start" "-a" "094e34d11155a32fc9351b59e5119129549073f1183e8216e287f2114fd9d5c5"`
Dec 17 17:13:59.429 INFO [stderr]    Compiling syn v0.15.21
Dec 17 17:14:08.084 INFO [stderr]    Compiling structopt-derive v0.2.13
Dec 17 17:14:10.809 INFO [stderr]     Checking structopt v0.2.13
Dec 17 17:14:11.038 INFO [stderr]     Checking mdlog v0.1.0 (/opt/crater/workdir)
Dec 17 17:14:11.512 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.15s
Dec 17 17:14:12.002 INFO running `"docker" "inspect" "094e34d11155a32fc9351b59e5119129549073f1183e8216e287f2114fd9d5c5"`
Dec 17 17:14:12.114 INFO running `"docker" "rm" "-f" "094e34d11155a32fc9351b59e5119129549073f1183e8216e287f2114fd9d5c5"`
Dec 17 17:14:12.198 INFO [stdout] 094e34d11155a32fc9351b59e5119129549073f1183e8216e287f2114fd9d5c5