Dec 17 18:42:41.413 INFO checking nilq/helix against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 18:42:41.413 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-1/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/nilq/helix:/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 18:42:41.888 INFO [stdout] b0c3e33a4fadb02602e4a364cac411e78bb560b45b197a606d53836324e1f55e
Dec 17 18:42:41.891 INFO running `"docker" "start" "-a" "b0c3e33a4fadb02602e4a364cac411e78bb560b45b197a606d53836324e1f55e"`
Dec 17 18:42:42.888 INFO [stderr]     Checking lazy_static v0.2.6
Dec 17 18:42:42.888 INFO [stderr]     Checking aho-corasick v0.6.3
Dec 17 18:42:43.564 INFO [stderr]     Checking regex v0.2.1
Dec 17 18:42:45.704 INFO [stderr]     Checking docopt v0.7.0
Dec 17 18:42:46.784 INFO [stderr]     Checking helix-lang v0.1.0 (/opt/crater/workdir)
Dec 17 18:42:48.640 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.82s
Dec 17 18:42:49.798 INFO running `"docker" "inspect" "b0c3e33a4fadb02602e4a364cac411e78bb560b45b197a606d53836324e1f55e"`
Dec 17 18:42:50.170 INFO running `"docker" "rm" "-f" "b0c3e33a4fadb02602e4a364cac411e78bb560b45b197a606d53836324e1f55e"`
Dec 17 18:42:50.516 INFO [stdout] b0c3e33a4fadb02602e4a364cac411e78bb560b45b197a606d53836324e1f55e