Oct 13 17:04:15.528 INFO checking cbuf-0.1.1 against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 17:04:15.529 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 13 17:04:15.993 INFO blam! 515be966106e98e82f25418925de0c4ba23c0e63d1eff6d8e7be3d4845171b08
Oct 13 17:04:15.995 INFO running `"docker" "start" "-a" "515be966106e98e82f25418925de0c4ba23c0e63d1eff6d8e7be3d4845171b08"`
Oct 13 17:04:18.162 INFO kablam! usermod: no changes
Oct 13 17:04:18.200 INFO kablam!     Checking cbuf v0.1.1 (/source)
Oct 13 17:04:19.721 INFO kablam! warning: variable does not need to be mutable
Oct 13 17:04:19.721 INFO kablam!    --> src/lib.rs:235:13
Oct 13 17:04:19.721 INFO kablam!     |
Oct 13 17:04:19.722 INFO kablam! 235 |         let mut buf = &mut [0u8, 2];
Oct 13 17:04:19.722 INFO kablam!     |             ----^^^
Oct 13 17:04:19.722 INFO kablam!     |             |
Oct 13 17:04:19.722 INFO kablam!     |             help: remove this `mut`
Oct 13 17:04:19.723 INFO kablam!     |
Oct 13 17:04:19.723 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 13 17:04:19.723 INFO kablam! 
Oct 13 17:04:19.724 INFO kablam! warning: variable does not need to be mutable
Oct 13 17:04:19.724 INFO kablam!    --> src/lib.rs:266:13
Oct 13 17:04:19.724 INFO kablam!     |
Oct 13 17:04:19.724 INFO kablam! 266 |         let mut buf = &mut [0u8, 0u8];
Oct 13 17:04:19.724 INFO kablam!     |             ----^^^
Oct 13 17:04:19.724 INFO kablam!     |             |
Oct 13 17:04:19.724 INFO kablam!     |             help: remove this `mut`
Oct 13 17:04:19.724 INFO kablam! 
Oct 13 17:04:19.728 INFO kablam! warning: variable does not need to be mutable
Oct 13 17:04:19.728 INFO kablam!    --> src/lib.rs:298:13
Oct 13 17:04:19.728 INFO kablam!     |
Oct 13 17:04:19.728 INFO kablam! 298 |         let mut buf = &mut [0u8, 0u8];
Oct 13 17:04:19.728 INFO kablam!     |             ----^^^
Oct 13 17:04:19.728 INFO kablam!     |             |
Oct 13 17:04:19.728 INFO kablam!     |             help: remove this `mut`
Oct 13 17:04:19.728 INFO kablam! 
Oct 13 17:04:19.790 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.60s
Oct 13 17:04:19.792 INFO kablam! su: No module specific data is present
Oct 13 17:04:20.624 INFO running `"docker" "rm" "-f" "515be966106e98e82f25418925de0c4ba23c0e63d1eff6d8e7be3d4845171b08"`
Oct 13 17:04:20.864 INFO blam! 515be966106e98e82f25418925de0c4ba23c0e63d1eff6d8e7be3d4845171b08