Dec 17 14:13:28.181 INFO checking syntheticsh/rust_regex_play against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 14:13:28.181 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-1/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/syntheticsh/rust_regex_play:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 14:13:28.787 INFO [stdout] cfd59c5f542dd617c0003d64e74b833d239135a00ec6249f4209de6b8222df53
Dec 17 14:13:28.790 INFO running `"docker" "start" "-a" "cfd59c5f542dd617c0003d64e74b833d239135a00ec6249f4209de6b8222df53"`
Dec 17 14:13:31.531 INFO [stderr]     Checking memchr v2.1.0
Dec 17 14:13:32.260 INFO [stderr]     Checking aho-corasick v0.6.8
Dec 17 14:13:32.826 INFO [stderr]     Checking regex v1.0.5
Dec 17 14:13:35.059 INFO [stderr]     Checking regexp v0.1.0 (/opt/crater/workdir)
Dec 17 14:13:35.536 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.10s
Dec 17 14:13:37.034 INFO running `"docker" "inspect" "cfd59c5f542dd617c0003d64e74b833d239135a00ec6249f4209de6b8222df53"`
Dec 17 14:13:37.398 INFO running `"docker" "rm" "-f" "cfd59c5f542dd617c0003d64e74b833d239135a00ec6249f4209de6b8222df53"`
Dec 17 14:13:37.720 INFO [stdout] cfd59c5f542dd617c0003d64e74b833d239135a00ec6249f4209de6b8222df53