Dec 17 14:13:37.501 INFO checking syntheticsh/rust_regex_play against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 14:13:37.501 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 14:13:38.074 INFO [stdout] aadcee092299e50b10582f1ba778040a01a7b5922926c4d1a57968ba55ee1e8d
Dec 17 14:13:38.080 INFO running `"docker" "start" "-a" "aadcee092299e50b10582f1ba778040a01a7b5922926c4d1a57968ba55ee1e8d"`
Dec 17 14:13:40.052 INFO [stderr]     Checking memchr v2.1.0
Dec 17 14:13:40.936 INFO [stderr]     Checking aho-corasick v0.6.8
Dec 17 14:13:41.568 INFO [stderr]     Checking regex v1.0.5
Dec 17 14:13:43.777 INFO [stderr]     Checking regexp v0.1.0 (/opt/crater/workdir)
Dec 17 14:13:44.268 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.35s
Dec 17 14:13:46.063 INFO running `"docker" "inspect" "aadcee092299e50b10582f1ba778040a01a7b5922926c4d1a57968ba55ee1e8d"`
Dec 17 14:13:46.446 INFO running `"docker" "rm" "-f" "aadcee092299e50b10582f1ba778040a01a7b5922926c4d1a57968ba55ee1e8d"`
Dec 17 14:13:46.832 INFO [stdout] aadcee092299e50b10582f1ba778040a01a7b5922926c4d1a57968ba55ee1e8d