Dec 04 07:40:56.355 INFO checking vfrz/LearningRust against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 07:40:56.355 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-3/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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 07:40:56.910 INFO [stdout] 5c1aef0e32c311114a74e48255a64b9157d41c8e6b3ae7b508504abfaea19aee
Dec 04 07:40:56.913 INFO running `"docker" "start" "-a" "5c1aef0e32c311114a74e48255a64b9157d41c8e6b3ae7b508504abfaea19aee"`
Dec 04 07:40:58.949 INFO [stderr] usermod: no changes
Dec 04 07:40:59.083 INFO [stderr]    Compiling regex v0.2.10
Dec 04 07:40:59.091 INFO [stderr]     Checking memchr v2.0.1
Dec 04 07:40:59.091 INFO [stderr]     Checking regex-syntax v0.5.3
Dec 04 07:40:59.739 INFO [stderr]     Checking aho-corasick v0.6.4
Dec 04 07:41:06.995 INFO [stderr]     Checking learning_rust v0.1.0 (/source)
Dec 04 07:41:07.748 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.75s
Dec 04 07:41:07.752 INFO [stderr] su: No module specific data is present
Dec 04 07:41:09.283 INFO running `"docker" "inspect" "5c1aef0e32c311114a74e48255a64b9157d41c8e6b3ae7b508504abfaea19aee"`
Dec 04 07:41:09.711 INFO running `"docker" "rm" "-f" "5c1aef0e32c311114a74e48255a64b9157d41c8e6b3ae7b508504abfaea19aee"`
Dec 04 07:41:10.019 INFO [stdout] 5c1aef0e32c311114a74e48255a64b9157d41c8e6b3ae7b508504abfaea19aee