Dec 18 06:24:33.881 INFO checking Michael0x2a/impo against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 06:24:33.881 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/gh/Michael0x2a/impo:/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 06:24:34.321 INFO [stdout] 33168932b2ec1d8d735f8ffe58752ba36afb154165870d726fb791a4cec759eb
Dec 18 06:24:34.331 INFO running `"docker" "start" "-a" "33168932b2ec1d8d735f8ffe58752ba36afb154165870d726fb791a4cec759eb"`
Dec 18 06:24:36.018 INFO [stderr]    Compiling backtrace-sys v0.1.21
Dec 18 06:24:38.837 INFO [stderr]     Checking backtrace v0.3.8
Dec 18 06:24:39.392 INFO [stderr]     Checking failure v0.1.1
Dec 18 06:24:40.031 INFO [stderr]     Checking impo v0.1.0 (/opt/crater/workdir)
Dec 18 06:24:42.452 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.50s
Dec 18 06:24:43.050 INFO running `"docker" "inspect" "33168932b2ec1d8d735f8ffe58752ba36afb154165870d726fb791a4cec759eb"`
Dec 18 06:24:43.420 INFO running `"docker" "rm" "-f" "33168932b2ec1d8d735f8ffe58752ba36afb154165870d726fb791a4cec759eb"`
Dec 18 06:24:43.896 INFO [stdout] 33168932b2ec1d8d735f8ffe58752ba36afb154165870d726fb791a4cec759eb