Dec 04 09:06:16.876 INFO checking syntheticsh/rust_regex_play against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 09:06:16.876 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-5/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 04 09:06:17.347 INFO [stdout] 8cda1eff1c840b4b78c131aa9aa28860ce935deb471ff3f5cbb5ea5ba8b482a7
Dec 04 09:06:17.349 INFO running `"docker" "start" "-a" "8cda1eff1c840b4b78c131aa9aa28860ce935deb471ff3f5cbb5ea5ba8b482a7"`
Dec 04 09:06:18.880 INFO [stderr] usermod: no changes
Dec 04 09:06:19.015 INFO [stderr]     Checking memchr v2.1.0
Dec 04 09:06:19.999 INFO [stderr]     Checking aho-corasick v0.6.8
Dec 04 09:06:20.695 INFO [stderr]     Checking regex v1.0.5
Dec 04 09:06:23.280 INFO [stderr]     Checking regexp v0.1.0 (/source)
Dec 04 09:06:24.016 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.09s
Dec 04 09:06:24.019 INFO [stderr] su: No module specific data is present
Dec 04 09:06:25.317 INFO running `"docker" "inspect" "8cda1eff1c840b4b78c131aa9aa28860ce935deb471ff3f5cbb5ea5ba8b482a7"`
Dec 04 09:06:25.627 INFO running `"docker" "rm" "-f" "8cda1eff1c840b4b78c131aa9aa28860ce935deb471ff3f5cbb5ea5ba8b482a7"`
Dec 04 09:06:25.939 INFO [stdout] 8cda1eff1c840b4b78c131aa9aa28860ce935deb471ff3f5cbb5ea5ba8b482a7