Sep 02 14:24:43.395 INFO checking file_diff-1.0.0 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53851
Sep 02 14:24:43.395 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 02 14:24:43.395 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53851/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53851/worker-2/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/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 +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 02 14:24:43.654 INFO blam! 415cf1ebebb45474f93fc4f919a3e9488749f2cd73a5e1090a704b2ad97c9d75
Sep 02 14:24:43.656 INFO running `"docker" "start" "-a" "415cf1ebebb45474f93fc4f919a3e9488749f2cd73a5e1090a704b2ad97c9d75"`
Sep 02 14:24:44.235 INFO kablam!     Checking file_diff v1.0.0 (file:///source)
Sep 02 14:24:44.821 INFO kablam! warning: variable does not need to be mutable
Sep 02 14:24:44.822 INFO kablam!   --> src/lib.rs:49:9
Sep 02 14:24:44.822 INFO kablam!    |
Sep 02 14:24:44.822 INFO kablam! 49 |     let mut buff1 : &mut [u8] = &mut [0; 1024];
Sep 02 14:24:44.822 INFO kablam!    |         ----^^^^^
Sep 02 14:24:44.822 INFO kablam!    |         |
Sep 02 14:24:44.822 INFO kablam!    |         help: remove this `mut`
Sep 02 14:24:44.822 INFO kablam!    |
Sep 02 14:24:44.822 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 02 14:24:44.822 INFO kablam! 
Sep 02 14:24:44.822 INFO kablam! warning: variable does not need to be mutable
Sep 02 14:24:44.822 INFO kablam!   --> src/lib.rs:50:9
Sep 02 14:24:44.822 INFO kablam!    |
Sep 02 14:24:44.822 INFO kablam! 50 |     let mut buff2 : &mut [u8] = &mut [0; 1024];
Sep 02 14:24:44.822 INFO kablam!    |         ----^^^^^
Sep 02 14:24:44.822 INFO kablam!    |         |
Sep 02 14:24:44.822 INFO kablam!    |         help: remove this `mut`
Sep 02 14:24:44.822 INFO kablam! 
Sep 02 14:24:44.937 INFO kablam! warning: variable does not need to be mutable
Sep 02 14:24:44.938 INFO kablam!   --> src/lib.rs:49:9
Sep 02 14:24:44.938 INFO kablam!    |
Sep 02 14:24:44.938 INFO kablam! 49 |     let mut buff1 : &mut [u8] = &mut [0; 1024];
Sep 02 14:24:44.938 INFO kablam!    |         ----^^^^^
Sep 02 14:24:44.938 INFO kablam!    |         |
Sep 02 14:24:44.938 INFO kablam!    |         help: remove this `mut`
Sep 02 14:24:44.938 INFO kablam!    |
Sep 02 14:24:44.938 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 02 14:24:44.938 INFO kablam! 
Sep 02 14:24:44.938 INFO kablam! warning: variable does not need to be mutable
Sep 02 14:24:44.938 INFO kablam!   --> src/lib.rs:50:9
Sep 02 14:24:44.938 INFO kablam!    |
Sep 02 14:24:44.938 INFO kablam! 50 |     let mut buff2 : &mut [u8] = &mut [0; 1024];
Sep 02 14:24:44.938 INFO kablam!    |         ----^^^^^
Sep 02 14:24:44.938 INFO kablam!    |         |
Sep 02 14:24:44.938 INFO kablam!    |         help: remove this `mut`
Sep 02 14:24:44.938 INFO kablam! 
Sep 02 14:24:44.970 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
Sep 02 14:24:44.975 INFO kablam! su: No module specific data is present
Sep 02 14:24:45.450 INFO running `"docker" "rm" "-f" "415cf1ebebb45474f93fc4f919a3e9488749f2cd73a5e1090a704b2ad97c9d75"`
Sep 02 14:24:45.540 INFO blam! 415cf1ebebb45474f93fc4f919a3e9488749f2cd73a5e1090a704b2ad97c9d75