Dec 18 13:50:40.675 INFO checking mscorlib_safe_derive-0.1.3 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 13:50:40.675 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/mscorlib_safe_derive/0.1.3:/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 18 13:50:40.932 INFO [stdout] 1a78dafb627559f56c1f9ed71f101357900cdb328af19c4c5c6bcc9dfe304e08
Dec 18 13:50:40.940 INFO running `"docker" "start" "-a" "1a78dafb627559f56c1f9ed71f101357900cdb328af19c4c5c6bcc9dfe304e08"`
Dec 18 13:50:42.304 INFO [stderr]     Checking mscorlib_safe_derive v0.1.3 (/opt/crater/workdir)
Dec 18 13:50:43.016 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
Dec 18 13:50:43.529 INFO running `"docker" "inspect" "1a78dafb627559f56c1f9ed71f101357900cdb328af19c4c5c6bcc9dfe304e08"`
Dec 18 13:50:43.727 INFO running `"docker" "rm" "-f" "1a78dafb627559f56c1f9ed71f101357900cdb328af19c4c5c6bcc9dfe304e08"`
Dec 18 13:50:44.000 INFO [stdout] 1a78dafb627559f56c1f9ed71f101357900cdb328af19c4c5c6bcc9dfe304e08