Dec 18 04:41:31.670 INFO checking aapis/rust-playground against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 04:41:31.670 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/aapis/rust-playground:/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 04:41:31.848 INFO [stdout] 38aa44ee06a5575febf5072d9ff896f8dca1cb07e28f8ceee922a0c311fb45b2
Dec 18 04:41:31.851 INFO running `"docker" "start" "-a" "38aa44ee06a5575febf5072d9ff896f8dca1cb07e28f8ceee922a0c311fb45b2"`
Dec 18 04:41:32.553 INFO [stderr]     Checking colored v1.6.1
Dec 18 04:41:32.962 INFO [stderr]     Checking rust_playground v0.0.1 (/opt/crater/workdir)
Dec 18 04:41:33.385 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
Dec 18 04:41:33.630 INFO running `"docker" "inspect" "38aa44ee06a5575febf5072d9ff896f8dca1cb07e28f8ceee922a0c311fb45b2"`
Dec 18 04:41:33.730 INFO running `"docker" "rm" "-f" "38aa44ee06a5575febf5072d9ff896f8dca1cb07e28f8ceee922a0c311fb45b2"`
Dec 18 04:41:33.821 INFO [stdout] 38aa44ee06a5575febf5072d9ff896f8dca1cb07e28f8ceee922a0c311fb45b2