Dec 04 18:05:53.668 INFO checking gmbeard/twister against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 18:05:53.668 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-6/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 18:05:54.195 INFO [stdout] 92c8962c804aca87f0ba8856c80313fcf8b71b5ecfceb6ec9e75974aee358bf4
Dec 04 18:05:54.197 INFO running `"docker" "start" "-a" "92c8962c804aca87f0ba8856c80313fcf8b71b5ecfceb6ec9e75974aee358bf4"`
Dec 04 18:05:55.554 INFO [stderr] usermod: no changes
Dec 04 18:05:55.675 INFO [stderr]     Checking twister_http v0.1.0 (/source/twister_http)
Dec 04 18:05:55.675 INFO [stderr]     Checking regex v0.2.2
Dec 04 18:05:56.207 INFO [stderr]     Checking twister_core v0.1.0 (/source/twister_core)
Dec 04 18:05:58.611 INFO [stderr]     Checking env_logger v0.4.3
Dec 04 18:05:59.283 INFO [stderr]     Checking twister v0.1.0 (/source)
Dec 04 18:06:00.287 INFO [stderr] warning: variable does not need to be mutable
Dec 04 18:06:00.288 INFO [stderr]   --> src/main.rs:21:17
Dec 04 18:06:00.288 INFO [stderr]    |
Dec 04 18:06:00.288 INFO [stderr] 21 |             let mut s = TcpStream::connect(dest).unwrap();
Dec 04 18:06:00.288 INFO [stderr]    |                 ----^
Dec 04 18:06:00.288 INFO [stderr]    |                 |
Dec 04 18:06:00.288 INFO [stderr]    |                 help: remove this `mut`
Dec 04 18:06:00.288 INFO [stderr]    |
Dec 04 18:06:00.288 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 04 18:06:00.288 INFO [stderr] 
Dec 04 18:06:00.467 INFO [stderr] warning: variable does not need to be mutable
Dec 04 18:06:00.467 INFO [stderr]   --> src/main.rs:21:17
Dec 04 18:06:00.467 INFO [stderr]    |
Dec 04 18:06:00.467 INFO [stderr] 21 |             let mut s = TcpStream::connect(dest).unwrap();
Dec 04 18:06:00.467 INFO [stderr]    |                 ----^
Dec 04 18:06:00.467 INFO [stderr]    |                 |
Dec 04 18:06:00.467 INFO [stderr]    |                 help: remove this `mut`
Dec 04 18:06:00.467 INFO [stderr]    |
Dec 04 18:06:00.467 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 04 18:06:00.467 INFO [stderr] 
Dec 04 18:06:00.490 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.91s
Dec 04 18:06:00.494 INFO [stderr] su: No module specific data is present
Dec 04 18:06:01.532 INFO running `"docker" "inspect" "92c8962c804aca87f0ba8856c80313fcf8b71b5ecfceb6ec9e75974aee358bf4"`
Dec 04 18:06:01.815 INFO running `"docker" "rm" "-f" "92c8962c804aca87f0ba8856c80313fcf8b71b5ecfceb6ec9e75974aee358bf4"`
Dec 04 18:06:02.059 INFO [stdout] 92c8962c804aca87f0ba8856c80313fcf8b71b5ecfceb6ec9e75974aee358bf4