Oct 12 21:05:24.195 INFO checking gmbeard/twister against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 21:05:24.196 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-4/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-4/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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"`
Oct 12 21:05:24.637 INFO blam! 6e7e8e6f7d5f78dfea121f0e4ad0cb246778a2f093ed4d29d483e883a052e292
Oct 12 21:05:24.652 INFO running `"docker" "start" "-a" "6e7e8e6f7d5f78dfea121f0e4ad0cb246778a2f093ed4d29d483e883a052e292"`
Oct 12 21:05:25.441 INFO kablam! usermod: no changes
Oct 12 21:05:25.500 INFO kablam!     Checking twister_http v0.1.0 (/source/twister_http)
Oct 12 21:05:25.768 INFO kablam!     Checking twister_core v0.1.0 (/source/twister_core)
Oct 12 21:05:26.226 INFO kablam!     Checking twister v0.1.0 (/source)
Oct 12 21:05:27.216 INFO kablam! warning: variable does not need to be mutable
Oct 12 21:05:27.216 INFO kablam!   --> src/main.rs:21:17
Oct 12 21:05:27.216 INFO kablam!    |
Oct 12 21:05:27.216 INFO kablam! 21 |             let mut s = TcpStream::connect(dest).unwrap();
Oct 12 21:05:27.216 INFO kablam!    |                 ----^
Oct 12 21:05:27.216 INFO kablam!    |                 |
Oct 12 21:05:27.216 INFO kablam!    |                 help: remove this `mut`
Oct 12 21:05:27.216 INFO kablam!    |
Oct 12 21:05:27.216 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 12 21:05:27.216 INFO kablam! 
Oct 12 21:05:27.283 INFO kablam! warning: variable does not need to be mutable
Oct 12 21:05:27.284 INFO kablam!   --> src/main.rs:21:17
Oct 12 21:05:27.285 INFO kablam!    |
Oct 12 21:05:27.285 INFO kablam! 21 |             let mut s = TcpStream::connect(dest).unwrap();
Oct 12 21:05:27.285 INFO kablam!    |                 ----^
Oct 12 21:05:27.286 INFO kablam!    |                 |
Oct 12 21:05:27.286 INFO kablam!    |                 help: remove this `mut`
Oct 12 21:05:27.286 INFO kablam!    |
Oct 12 21:05:27.297 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 12 21:05:27.297 INFO kablam! 
Oct 12 21:05:27.321 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.85s
Oct 12 21:05:27.321 INFO kablam! su: No module specific data is present
Oct 12 21:05:27.922 INFO running `"docker" "rm" "-f" "6e7e8e6f7d5f78dfea121f0e4ad0cb246778a2f093ed4d29d483e883a052e292"`
Oct 12 21:05:28.148 INFO blam! 6e7e8e6f7d5f78dfea121f0e4ad0cb246778a2f093ed4d29d483e883a052e292