Dec 04 09:05:41.645 INFO checking syntheticsh/rust_regex_play against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 09:05:41.645 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-0/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 09:05:42.211 INFO [stdout] bcc1076dbd4acd6c6657002a19b655743fdb4030a89fed42a09db4d44f5b29bf
Dec 04 09:05:42.213 INFO running `"docker" "start" "-a" "bcc1076dbd4acd6c6657002a19b655743fdb4030a89fed42a09db4d44f5b29bf"`
Dec 04 09:05:44.018 INFO [stderr] usermod: no changes
Dec 04 09:05:44.084 INFO [stderr]     Checking memchr v2.1.0
Dec 04 09:05:44.899 INFO [stderr]     Checking aho-corasick v0.6.8
Dec 04 09:05:45.492 INFO [stderr]     Checking regex v1.0.5
Dec 04 09:05:47.955 INFO [stderr]     Checking regexp v0.1.0 (/source)
Dec 04 09:05:48.728 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.68s
Dec 04 09:05:48.731 INFO [stderr] su: No module specific data is present
Dec 04 09:05:50.546 INFO running `"docker" "inspect" "bcc1076dbd4acd6c6657002a19b655743fdb4030a89fed42a09db4d44f5b29bf"`
Dec 04 09:05:50.909 INFO running `"docker" "rm" "-f" "bcc1076dbd4acd6c6657002a19b655743fdb4030a89fed42a09db4d44f5b29bf"`
Dec 04 09:05:51.271 INFO [stdout] bcc1076dbd4acd6c6657002a19b655743fdb4030a89fed42a09db4d44f5b29bf