Dec 18 02:09:28.451 INFO checking cowang4/rusty_tree against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252 Dec 18 02:09:28.451 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/gh/cowang4/rusty_tree:/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 02:09:28.926 INFO [stdout] 900bcbe08cd423a8ea171cd37cfa2853119d7952f7cceeda7a7d2420d9a55898 Dec 18 02:09:28.932 INFO running `"docker" "start" "-a" "900bcbe08cd423a8ea171cd37cfa2853119d7952f7cceeda7a7d2420d9a55898"` Dec 18 02:09:30.625 INFO [stderr] Checking regex v1.0.0 Dec 18 02:09:32.988 INFO [stderr] Checking docopt v1.0.0 Dec 18 02:09:34.396 INFO [stderr] Checking rusty_tree v0.1.0 (/opt/crater/workdir) Dec 18 02:09:36.076 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5.64s Dec 18 02:09:36.928 INFO running `"docker" "inspect" "900bcbe08cd423a8ea171cd37cfa2853119d7952f7cceeda7a7d2420d9a55898"` Dec 18 02:09:37.160 INFO running `"docker" "rm" "-f" "900bcbe08cd423a8ea171cd37cfa2853119d7952f7cceeda7a7d2420d9a55898"` Dec 18 02:09:37.464 INFO [stdout] 900bcbe08cd423a8ea171cd37cfa2853119d7952f7cceeda7a7d2420d9a55898