Dec 18 18:19:05.143 INFO checking backr-0.5.0 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 18:19:05.143 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/backr/0.5.0:/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 18:19:05.645 INFO [stdout] 7b5e8e50993695b446c76157f77ad38b3c2e6536ec647ec995208545c5fdc5f9
Dec 18 18:19:05.650 INFO running `"docker" "start" "-a" "7b5e8e50993695b446c76157f77ad38b3c2e6536ec647ec995208545c5fdc5f9"`
Dec 18 18:19:07.016 INFO [stderr]     Checking terminal_size v0.1.8
Dec 18 18:19:07.451 INFO [stderr]     Checking progress v0.2.0
Dec 18 18:19:07.856 INFO [stderr]     Checking backr v0.5.0 (/opt/crater/workdir)
Dec 18 18:19:09.372 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.42s
Dec 18 18:19:10.126 INFO running `"docker" "inspect" "7b5e8e50993695b446c76157f77ad38b3c2e6536ec647ec995208545c5fdc5f9"`
Dec 18 18:19:10.390 INFO running `"docker" "rm" "-f" "7b5e8e50993695b446c76157f77ad38b3c2e6536ec647ec995208545c5fdc5f9"`
Dec 18 18:19:10.720 INFO [stdout] 7b5e8e50993695b446c76157f77ad38b3c2e6536ec647ec995208545c5fdc5f9