Sep 01 20:50:45.779 INFO checking file_diff-1.0.0 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53831
Sep 01 20:50:45.779 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 01 20:50:45.779 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53831/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/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 01 20:50:45.970 INFO blam! 01c6c4a8a67ba0495e8721a9fcf153f63e21697614494502d81ff622501e3ce8
Sep 01 20:50:45.973 INFO running `"docker" "start" "-a" "01c6c4a8a67ba0495e8721a9fcf153f63e21697614494502d81ff622501e3ce8"`
Sep 01 20:50:46.747 INFO kablam!     Checking file_diff v1.0.0 (file:///source)
Sep 01 20:50:47.396 INFO kablam! warning: variable does not need to be mutable
Sep 01 20:50:47.396 INFO kablam!   --> src/lib.rs:49:9
Sep 01 20:50:47.396 INFO kablam!    |
Sep 01 20:50:47.396 INFO kablam! 49 |     let mut buff1 : &mut [u8] = &mut [0; 1024];
Sep 01 20:50:47.396 INFO kablam!    |         ----^^^^^
Sep 01 20:50:47.396 INFO kablam!    |         |
Sep 01 20:50:47.396 INFO kablam!    |         help: remove this `mut`
Sep 01 20:50:47.396 INFO kablam!    |
Sep 01 20:50:47.396 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 01 20:50:47.396 INFO kablam! 
Sep 01 20:50:47.397 INFO kablam! warning: variable does not need to be mutable
Sep 01 20:50:47.397 INFO kablam!   --> src/lib.rs:50:9
Sep 01 20:50:47.397 INFO kablam!    |
Sep 01 20:50:47.397 INFO kablam! 50 |     let mut buff2 : &mut [u8] = &mut [0; 1024];
Sep 01 20:50:47.397 INFO kablam!    |         ----^^^^^
Sep 01 20:50:47.397 INFO kablam!    |         |
Sep 01 20:50:47.397 INFO kablam!    |         help: remove this `mut`
Sep 01 20:50:47.397 INFO kablam! 
Sep 01 20:50:47.510 INFO kablam! warning: variable does not need to be mutable
Sep 01 20:50:47.513 INFO kablam!   --> src/lib.rs:49:9
Sep 01 20:50:47.513 INFO kablam!    |
Sep 01 20:50:47.513 INFO kablam! 49 |     let mut buff1 : &mut [u8] = &mut [0; 1024];
Sep 01 20:50:47.513 INFO kablam!    |         ----^^^^^
Sep 01 20:50:47.513 INFO kablam!    |         |
Sep 01 20:50:47.513 INFO kablam!    |         help: remove this `mut`
Sep 01 20:50:47.513 INFO kablam!    |
Sep 01 20:50:47.513 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 01 20:50:47.513 INFO kablam! 
Sep 01 20:50:47.513 INFO kablam! warning: variable does not need to be mutable
Sep 01 20:50:47.513 INFO kablam!   --> src/lib.rs:50:9
Sep 01 20:50:47.513 INFO kablam!    |
Sep 01 20:50:47.513 INFO kablam! 50 |     let mut buff2 : &mut [u8] = &mut [0; 1024];
Sep 01 20:50:47.513 INFO kablam!    |         ----^^^^^
Sep 01 20:50:47.513 INFO kablam!    |         |
Sep 01 20:50:47.513 INFO kablam!    |         help: remove this `mut`
Sep 01 20:50:47.513 INFO kablam! 
Sep 01 20:50:47.530 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
Sep 01 20:50:47.533 INFO kablam! su: No module specific data is present
Sep 01 20:50:48.188 INFO running `"docker" "rm" "-f" "01c6c4a8a67ba0495e8721a9fcf153f63e21697614494502d81ff622501e3ce8"`
Sep 01 20:50:48.271 INFO blam! 01c6c4a8a67ba0495e8721a9fcf153f63e21697614494502d81ff622501e3ce8