Dec 17 20:23:31.768 INFO checking luser/rustfilt against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 20:23:31.768 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/luser/rustfilt:/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 20:23:32.188 INFO [stdout] 1c3376b5771c569ab663333deaea32d371f99491c56c38f3bae29a54d298aaeb
Dec 17 20:23:32.190 INFO running `"docker" "start" "-a" "1c3376b5771c569ab663333deaea32d371f99491c56c38f3bae29a54d298aaeb"`
Dec 17 20:23:33.319 INFO [stderr]     Checking term_size v0.3.1
Dec 17 20:23:33.523 INFO [stderr]     Checking textwrap v0.9.0
Dec 17 20:23:33.827 INFO [stderr]     Checking clap v2.31.2
Dec 17 20:23:37.959 INFO [stderr]     Checking rustfilt v0.2.1-pre (/opt/crater/workdir)
Dec 17 20:23:38.606 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.35s
Dec 17 20:23:38.878 INFO running `"docker" "inspect" "1c3376b5771c569ab663333deaea32d371f99491c56c38f3bae29a54d298aaeb"`
Dec 17 20:23:38.970 INFO running `"docker" "rm" "-f" "1c3376b5771c569ab663333deaea32d371f99491c56c38f3bae29a54d298aaeb"`
Dec 17 20:23:39.054 INFO [stdout] 1c3376b5771c569ab663333deaea32d371f99491c56c38f3bae29a54d298aaeb