Dec 17 19:40:44.304 INFO checking michaelsproul/ewok against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 19:40:44.304 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-0/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/michaelsproul/ewok:/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 19:40:44.723 INFO [stdout] 42412cc756ded50803a7bbb06db17544ea6886d39ea8c75a02cb316f2d0dda7b
Dec 17 19:40:44.730 INFO running `"docker" "start" "-a" "42412cc756ded50803a7bbb06db17544ea6886d39ea8c75a02cb316f2d0dda7b"`
Dec 17 19:40:45.998 INFO [stderr]     Checking maplit v0.1.4
Dec 17 19:40:45.998 INFO [stderr]     Checking itertools v0.6.0
Dec 17 19:40:45.999 INFO [stderr]     Checking env_logger v0.4.3
Dec 17 19:40:47.803 INFO [stderr]     Checking ewok v0.1.0 (/opt/crater/workdir)
Dec 17 19:40:50.787 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.91s
Dec 17 19:40:51.110 INFO running `"docker" "inspect" "42412cc756ded50803a7bbb06db17544ea6886d39ea8c75a02cb316f2d0dda7b"`
Dec 17 19:40:51.218 INFO running `"docker" "rm" "-f" "42412cc756ded50803a7bbb06db17544ea6886d39ea8c75a02cb316f2d0dda7b"`
Dec 17 19:40:51.400 INFO [stdout] 42412cc756ded50803a7bbb06db17544ea6886d39ea8c75a02cb316f2d0dda7b