Dec 18 06:52:18.771 INFO checking Kroc/retronym against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 06:52:18.771 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/Kroc/retronym:/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 18 06:52:19.278 INFO [stdout] f6dbec9c3ffaad16df00ad77526a6d37308f89c4385446443ca329e70f030f00
Dec 18 06:52:19.288 INFO running `"docker" "start" "-a" "f6dbec9c3ffaad16df00ad77526a6d37308f89c4385446443ca329e70f030f00"`
Dec 18 06:52:20.936 INFO [stderr]     Checking itertools v0.8.0
Dec 18 06:52:20.960 INFO [stderr]    Compiling pest_meta v2.0.0
Dec 18 06:52:26.896 INFO [stderr]    Compiling pest_generator v2.0.0
Dec 18 06:52:32.196 INFO [stderr]    Compiling pest_derive v2.0.1
Dec 18 06:52:33.760 INFO [stderr]     Checking retronym v0.0.0 (/opt/crater/workdir)
Dec 18 06:52:35.609 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.76s
Dec 18 06:52:36.732 INFO running `"docker" "inspect" "f6dbec9c3ffaad16df00ad77526a6d37308f89c4385446443ca329e70f030f00"`
Dec 18 06:52:36.994 INFO running `"docker" "rm" "-f" "f6dbec9c3ffaad16df00ad77526a6d37308f89c4385446443ca329e70f030f00"`
Dec 18 06:52:37.232 INFO [stdout] f6dbec9c3ffaad16df00ad77526a6d37308f89c4385446443ca329e70f030f00