Dec 11 06:23:03.261 INFO checking wbowling/rcc against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 06:23:03.261 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-2/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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 11 06:23:03.815 INFO [stdout] bbe9b1d39f47993a969cb29c85a2be3d8c14e82b73a6f76f0ac4d5871f9f94dd
Dec 11 06:23:03.824 INFO running `"docker" "start" "-a" "bbe9b1d39f47993a969cb29c85a2be3d8c14e82b73a6f76f0ac4d5871f9f94dd"`
Dec 11 06:23:05.262 INFO [stderr] usermod: no changes
Dec 11 06:23:05.332 INFO [stderr]     Checking either v1.4.0
Dec 11 06:23:05.697 INFO [stderr]     Checking itertools v0.7.5
Dec 11 06:23:07.686 INFO [stderr]     Checking rcc v0.1.0 (/source)
Dec 11 06:23:09.184 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.89s
Dec 11 06:23:09.185 INFO [stderr] su: No module specific data is present
Dec 11 06:23:10.248 INFO running `"docker" "inspect" "bbe9b1d39f47993a969cb29c85a2be3d8c14e82b73a6f76f0ac4d5871f9f94dd"`
Dec 11 06:23:10.489 INFO running `"docker" "rm" "-f" "bbe9b1d39f47993a969cb29c85a2be3d8c14e82b73a6f76f0ac4d5871f9f94dd"`
Dec 11 06:23:10.830 INFO [stdout] bbe9b1d39f47993a969cb29c85a2be3d8c14e82b73a6f76f0ac4d5871f9f94dd