Jul 12 09:38:20.580 INFO checking file_diff-1.0.0 against master#ae5b629efd79de78e6ba7ef493c32857bd7f9cf9 for pr-52234
Jul 12 09:38:20.580 INFO running: cargo +ae5b629efd79de78e6ba7ef493c32857bd7f9cf9-alt check --frozen --all --all-targets
Jul 12 09:38:20.580 INFO creating container for: cargo +ae5b629efd79de78e6ba7ef493c32857bd7f9cf9-alt check --frozen --all --all-targets
Jul 12 09:38:20.581 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-52234/master#ae5b629efd79de78e6ba7ef493c32857bd7f9cf9:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-52234/worker-6/master#ae5b629efd79de78e6ba7ef493c32857bd7f9cf9:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +ae5b629efd79de78e6ba7ef493c32857bd7f9cf9-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "crater"`
Jul 12 09:38:20.839 INFO blam! 99d1e36bd567e7125587c5acfff72be213a904b70fb3d4a4f54953e9f21e2ebf
Jul 12 09:38:20.842 INFO running `"docker" "start" "-a" "99d1e36bd567e7125587c5acfff72be213a904b70fb3d4a4f54953e9f21e2ebf"`
Jul 12 09:38:22.004 INFO kablam!     Checking file_diff v1.0.0 (file:///source)
Jul 12 09:38:22.499 INFO kablam! warning: variable does not need to be mutable
Jul 12 09:38:22.499 INFO kablam!   --> src/lib.rs:49:9
Jul 12 09:38:22.499 INFO kablam!    |
Jul 12 09:38:22.499 INFO kablam! 49 |     let mut buff1 : &mut [u8] = &mut [0; 1024];
Jul 12 09:38:22.499 INFO kablam!    |         ----^^^^^
Jul 12 09:38:22.499 INFO kablam!    |         |
Jul 12 09:38:22.499 INFO kablam!    |         help: remove this `mut`
Jul 12 09:38:22.499 INFO kablam!    |
Jul 12 09:38:22.499 INFO kablam!    = note: #[warn(unused_mut)] on by default
Jul 12 09:38:22.499 INFO kablam! 
Jul 12 09:38:22.499 INFO kablam! warning: variable does not need to be mutable
Jul 12 09:38:22.499 INFO kablam!   --> src/lib.rs:50:9
Jul 12 09:38:22.499 INFO kablam!    |
Jul 12 09:38:22.499 INFO kablam! 50 |     let mut buff2 : &mut [u8] = &mut [0; 1024];
Jul 12 09:38:22.500 INFO kablam!    |         ----^^^^^
Jul 12 09:38:22.500 INFO kablam!    |         |
Jul 12 09:38:22.500 INFO kablam!    |         help: remove this `mut`
Jul 12 09:38:22.500 INFO kablam! 
Jul 12 09:38:22.645 INFO kablam! warning: variable does not need to be mutable
Jul 12 09:38:22.645 INFO kablam!   --> src/lib.rs:49:9
Jul 12 09:38:22.645 INFO kablam!    |
Jul 12 09:38:22.645 INFO kablam! 49 |     let mut buff1 : &mut [u8] = &mut [0; 1024];
Jul 12 09:38:22.645 INFO kablam!    |         ----^^^^^
Jul 12 09:38:22.645 INFO kablam!    |         |
Jul 12 09:38:22.645 INFO kablam!    |         help: remove this `mut`
Jul 12 09:38:22.645 INFO kablam!    |
Jul 12 09:38:22.645 INFO kablam!    = note: #[warn(unused_mut)] on by default
Jul 12 09:38:22.645 INFO kablam! 
Jul 12 09:38:22.645 INFO kablam! warning: variable does not need to be mutable
Jul 12 09:38:22.645 INFO kablam!   --> src/lib.rs:50:9
Jul 12 09:38:22.645 INFO kablam!    |
Jul 12 09:38:22.645 INFO kablam! 50 |     let mut buff2 : &mut [u8] = &mut [0; 1024];
Jul 12 09:38:22.645 INFO kablam!    |         ----^^^^^
Jul 12 09:38:22.645 INFO kablam!    |         |
Jul 12 09:38:22.645 INFO kablam!    |         help: remove this `mut`
Jul 12 09:38:22.645 INFO kablam! 
Jul 12 09:38:22.682 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
Jul 12 09:38:22.685 INFO kablam! su: No module specific data is present
Jul 12 09:38:23.350 INFO running `"docker" "rm" "-f" "99d1e36bd567e7125587c5acfff72be213a904b70fb3d4a4f54953e9f21e2ebf"`
Jul 12 09:38:23.503 INFO blam! 99d1e36bd567e7125587c5acfff72be213a904b70fb3d4a4f54953e9f21e2ebf