Dec 17 12:56:44.091 INFO checking u5surf/rsgrep against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 12:56:44.091 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/u5surf/rsgrep:/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 12:56:44.584 INFO [stdout] 799b8ac7aa9f95da69d09eff0b00869ef402231b287d683c2af1491d127695ad
Dec 17 12:56:44.586 INFO running `"docker" "start" "-a" "799b8ac7aa9f95da69d09eff0b00869ef402231b287d683c2af1491d127695ad"`
Dec 17 12:56:47.528 INFO [stderr]     Checking libc v0.2.26
Dec 17 12:56:48.568 INFO [stderr]     Checking memchr v1.0.1
Dec 17 12:56:48.872 INFO [stderr]     Checking aho-corasick v0.6.3
Dec 17 12:56:49.625 INFO [stderr]     Checking regex v0.2.2
Dec 17 12:56:51.820 INFO [stderr]     Checking rsgrep v0.1.0 (/opt/crater/workdir)
Dec 17 12:56:52.226 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.79s
Dec 17 12:56:53.516 INFO running `"docker" "inspect" "799b8ac7aa9f95da69d09eff0b00869ef402231b287d683c2af1491d127695ad"`
Dec 17 12:56:53.884 INFO running `"docker" "rm" "-f" "799b8ac7aa9f95da69d09eff0b00869ef402231b287d683c2af1491d127695ad"`
Dec 17 12:56:54.192 INFO [stdout] 799b8ac7aa9f95da69d09eff0b00869ef402231b287d683c2af1491d127695ad