Dec 18 12:02:45.929 INFO checking rspec-1.0.0-beta.4 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 12:02:45.929 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/rspec/1.0.0-beta.4:/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 12:02:46.256 INFO [stdout] a37494339a0211b776164895bb29e2624bde07cf85c152c5a800e168f52dd293
Dec 18 12:02:46.262 INFO running `"docker" "start" "-a" "a37494339a0211b776164895bb29e2624bde07cf85c152c5a800e168f52dd293"`
Dec 18 12:02:47.842 INFO [stderr]    Compiling derive-new v0.5.6
Dec 18 12:02:47.845 INFO [stderr]     Checking rayon v0.8.2
Dec 18 12:02:52.430 INFO [stderr]     Checking rspec v1.0.0-beta.4 (/opt/crater/workdir)
Dec 18 12:02:55.556 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.85s
Dec 18 12:02:56.408 INFO running `"docker" "inspect" "a37494339a0211b776164895bb29e2624bde07cf85c152c5a800e168f52dd293"`
Dec 18 12:02:56.666 INFO running `"docker" "rm" "-f" "a37494339a0211b776164895bb29e2624bde07cf85c152c5a800e168f52dd293"`
Dec 18 12:02:56.912 INFO [stdout] a37494339a0211b776164895bb29e2624bde07cf85c152c5a800e168f52dd293