Dec 04 07:41:00.089 INFO checking vfrz/LearningRust against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 07:41:00.089 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-1/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 07:41:00.614 INFO [stdout] de9c245bae2f4a09f82b3bff522d4b840549086dfaadf19626e4de96a3a38b80
Dec 04 07:41:00.616 INFO running `"docker" "start" "-a" "de9c245bae2f4a09f82b3bff522d4b840549086dfaadf19626e4de96a3a38b80"`
Dec 04 07:41:03.139 INFO [stderr] usermod: no changes
Dec 04 07:41:03.257 INFO [stderr]    Compiling regex v0.2.10
Dec 04 07:41:03.263 INFO [stderr]     Checking memchr v2.0.1
Dec 04 07:41:03.263 INFO [stderr]     Checking regex-syntax v0.5.3
Dec 04 07:41:03.944 INFO [stderr]     Checking aho-corasick v0.6.4
Dec 04 07:41:11.091 INFO [stderr]     Checking learning_rust v0.1.0 (/source)
Dec 04 07:41:11.792 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.63s
Dec 04 07:41:11.800 INFO [stderr] su: No module specific data is present
Dec 04 07:41:12.405 INFO running `"docker" "inspect" "de9c245bae2f4a09f82b3bff522d4b840549086dfaadf19626e4de96a3a38b80"`
Dec 04 07:41:12.687 INFO running `"docker" "rm" "-f" "de9c245bae2f4a09f82b3bff522d4b840549086dfaadf19626e4de96a3a38b80"`
Dec 04 07:41:13.006 INFO [stdout] de9c245bae2f4a09f82b3bff522d4b840549086dfaadf19626e4de96a3a38b80