Dec 17 15:50:31.084 INFO checking seanmceligot/drt against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 15:50:31.084 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/seanmceligot/drt:/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 15:50:31.572 INFO [stdout] 178619c3aa3ec25759098aa3010a17eea49e0987e0fcd7451c01eddb5cf33e03
Dec 17 15:50:31.576 INFO running `"docker" "start" "-a" "178619c3aa3ec25759098aa3010a17eea49e0987e0fcd7451c01eddb5cf33e03"`
Dec 17 15:50:33.138 INFO [stderr]    Compiling syn v0.15.13
Dec 17 15:50:33.139 INFO [stderr]     Checking env_logger v0.5.13
Dec 17 15:50:34.103 INFO [stderr]     Checking quickcheck v0.6.2
Dec 17 15:50:42.941 INFO [stderr]    Compiling serde_derive v1.0.80
Dec 17 15:50:57.163 INFO [stderr]     Checking drt v0.1.0 (/opt/crater/workdir)
Dec 17 15:50:59.321 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.29s
Dec 17 15:51:00.306 INFO running `"docker" "inspect" "178619c3aa3ec25759098aa3010a17eea49e0987e0fcd7451c01eddb5cf33e03"`
Dec 17 15:51:00.560 INFO running `"docker" "rm" "-f" "178619c3aa3ec25759098aa3010a17eea49e0987e0fcd7451c01eddb5cf33e03"`
Dec 17 15:51:00.800 INFO [stdout] 178619c3aa3ec25759098aa3010a17eea49e0987e0fcd7451c01eddb5cf33e03