Dec 18 14:54:36.425 INFO checking ip6gen-0.0.2 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 14:54:36.425 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/reg/ip6gen/0.0.2:/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 14:54:36.593 INFO [stdout] 543d452d6fd6314cf8e634a121fdc15a894577ea669db83d790d6671ba7ba5f3
Dec 18 14:54:36.597 INFO running `"docker" "start" "-a" "543d452d6fd6314cf8e634a121fdc15a894577ea669db83d790d6671ba7ba5f3"`
Dec 18 14:54:37.294 INFO [stderr]     Checking ipnetwork v0.10.0
Dec 18 14:54:37.626 INFO [stderr]     Checking ipgen v0.0.1
Dec 18 14:54:37.920 INFO [stderr]     Checking ip6gen v0.0.2 (/opt/crater/workdir)
Dec 18 14:54:38.379 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.12s
Dec 18 14:54:38.596 INFO running `"docker" "inspect" "543d452d6fd6314cf8e634a121fdc15a894577ea669db83d790d6671ba7ba5f3"`
Dec 18 14:54:38.720 INFO running `"docker" "rm" "-f" "543d452d6fd6314cf8e634a121fdc15a894577ea669db83d790d6671ba7ba5f3"`
Dec 18 14:54:38.852 INFO [stdout] 543d452d6fd6314cf8e634a121fdc15a894577ea669db83d790d6671ba7ba5f3