Dec 19 07:41:13.057 INFO checking syntheticsh/rust_regex_play against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 07:41:13.057 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-6/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 07:41:13.758 INFO [stdout] 07b7b4e759aa580c57749397f349a578e3255137a3c1bfe0bf629b9e9dff42f4
Dec 19 07:41:13.760 INFO running `"docker" "start" "-a" "07b7b4e759aa580c57749397f349a578e3255137a3c1bfe0bf629b9e9dff42f4"`
Dec 19 07:41:16.382 INFO [stderr]     Checking aho-corasick v0.6.8
Dec 19 07:41:17.126 INFO [stderr]     Checking regex v1.0.5
Dec 19 07:41:19.820 INFO [stderr]     Checking regexp v0.1.0 (/opt/crater/workdir)
Dec 19 07:41:20.216 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.93s
Dec 19 07:41:21.959 INFO running `"docker" "inspect" "07b7b4e759aa580c57749397f349a578e3255137a3c1bfe0bf629b9e9dff42f4"`
Dec 19 07:41:22.350 INFO running `"docker" "rm" "-f" "07b7b4e759aa580c57749397f349a578e3255137a3c1bfe0bf629b9e9dff42f4"`
Dec 19 07:41:22.720 INFO [stdout] 07b7b4e759aa580c57749397f349a578e3255137a3c1bfe0bf629b9e9dff42f4