Dec 18 14:11:43.893 INFO checking mackerel_plugin-0.2.3 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 14:11:43.893 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-1/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/mackerel_plugin/0.2.3:/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 14:11:44.288 INFO [stdout] 52d8d347a908d2d6689ecf605a2b37933909769424bbbc9bd7efb8db3cdcd8e2
Dec 18 14:11:44.294 INFO running `"docker" "start" "-a" "52d8d347a908d2d6689ecf605a2b37933909769424bbbc9bd7efb8db3cdcd8e2"`
Dec 18 14:11:45.125 INFO [stderr]     Checking mackerel_plugin v0.2.3 (/opt/crater/workdir)
Dec 18 14:11:47.317 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.23s
Dec 18 14:11:48.454 INFO running `"docker" "inspect" "52d8d347a908d2d6689ecf605a2b37933909769424bbbc9bd7efb8db3cdcd8e2"`
Dec 18 14:11:48.828 INFO running `"docker" "rm" "-f" "52d8d347a908d2d6689ecf605a2b37933909769424bbbc9bd7efb8db3cdcd8e2"`
Dec 18 14:11:49.220 INFO [stdout] 52d8d347a908d2d6689ecf605a2b37933909769424bbbc9bd7efb8db3cdcd8e2