Dec 18 16:29:27.046 INFO checking firestarter-0.3.1 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 16:29:27.047 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/firestarter/0.3.1:/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 16:29:27.299 INFO [stdout] 7c66d71956a1d1d55cfe3795bf80361c0015d33f63101aef81f6150d80768bdd
Dec 18 16:29:27.302 INFO running `"docker" "start" "-a" "7c66d71956a1d1d55cfe3795bf80361c0015d33f63101aef81f6150d80768bdd"`
Dec 18 16:29:28.274 INFO [stderr]     Checking parking_lot_core v0.4.0
Dec 18 16:29:29.141 INFO [stderr]     Checking parking_lot v0.7.0
Dec 18 16:29:29.947 INFO [stderr]     Checking console v0.6.2
Dec 18 16:29:31.116 INFO [stderr]     Checking firestarter v0.3.1 (/opt/crater/workdir)
Dec 18 16:29:35.121 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.05s
Dec 18 16:29:35.560 INFO running `"docker" "inspect" "7c66d71956a1d1d55cfe3795bf80361c0015d33f63101aef81f6150d80768bdd"`
Dec 18 16:29:35.673 INFO running `"docker" "rm" "-f" "7c66d71956a1d1d55cfe3795bf80361c0015d33f63101aef81f6150d80768bdd"`
Dec 18 16:29:35.817 INFO [stdout] 7c66d71956a1d1d55cfe3795bf80361c0015d33f63101aef81f6150d80768bdd