Sep 14 16:35:18.095 INFO checking file_diff-1.0.0 against master#90d36fb5905bbe5004f5b465ea14b53d10dae260 for pr-53578-1
Sep 14 16:35:18.095 INFO running: cargo +90d36fb5905bbe5004f5b465ea14b53d10dae260-alt check --frozen --all --all-targets
Sep 14 16:35:18.095 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-53578-1/master#90d36fb5905bbe5004f5b465ea14b53d10dae260:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578-1/worker-7/master#90d36fb5905bbe5004f5b465ea14b53d10dae260:/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=1000" "-e" "CMD=cargo +90d36fb5905bbe5004f5b465ea14b53d10dae260-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 14 16:35:18.217 INFO blam! 4003619faaa99b1d8edae54455f4042796fd6e9977ba0747d7abdf5a8957dd92
Sep 14 16:35:18.218 INFO running `"docker" "start" "-a" "4003619faaa99b1d8edae54455f4042796fd6e9977ba0747d7abdf5a8957dd92"`
Sep 14 16:35:19.388 INFO kablam! usermod: no changes
Sep 14 16:35:19.409 INFO kablam!     Checking file_diff v1.0.0 (file:///source)
Sep 14 16:35:19.651 INFO kablam! warning: variable does not need to be mutable
Sep 14 16:35:19.652 INFO kablam!   --> src/lib.rs:49:9
Sep 14 16:35:19.652 INFO kablam!    |
Sep 14 16:35:19.652 INFO kablam! 49 |     let mut buff1 : &mut [u8] = &mut [0; 1024];
Sep 14 16:35:19.652 INFO kablam!    |         ----^^^^^
Sep 14 16:35:19.652 INFO kablam!    |         |
Sep 14 16:35:19.652 INFO kablam!    |         help: remove this `mut`
Sep 14 16:35:19.652 INFO kablam!    |
Sep 14 16:35:19.652 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 14 16:35:19.652 INFO kablam! 
Sep 14 16:35:19.652 INFO kablam! warning: variable does not need to be mutable
Sep 14 16:35:19.652 INFO kablam!   --> src/lib.rs:50:9
Sep 14 16:35:19.652 INFO kablam!    |
Sep 14 16:35:19.652 INFO kablam! 50 |     let mut buff2 : &mut [u8] = &mut [0; 1024];
Sep 14 16:35:19.652 INFO kablam!    |         ----^^^^^
Sep 14 16:35:19.652 INFO kablam!    |         |
Sep 14 16:35:19.652 INFO kablam!    |         help: remove this `mut`
Sep 14 16:35:19.652 INFO kablam! 
Sep 14 16:35:19.686 INFO kablam! warning: variable does not need to be mutable
Sep 14 16:35:19.686 INFO kablam!   --> src/lib.rs:49:9
Sep 14 16:35:19.686 INFO kablam!    |
Sep 14 16:35:19.686 INFO kablam! 49 |     let mut buff1 : &mut [u8] = &mut [0; 1024];
Sep 14 16:35:19.686 INFO kablam!    |         ----^^^^^
Sep 14 16:35:19.686 INFO kablam!    |         |
Sep 14 16:35:19.686 INFO kablam!    |         help: remove this `mut`
Sep 14 16:35:19.686 INFO kablam!    |
Sep 14 16:35:19.686 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 14 16:35:19.686 INFO kablam! 
Sep 14 16:35:19.686 INFO kablam! warning: variable does not need to be mutable
Sep 14 16:35:19.686 INFO kablam!   --> src/lib.rs:50:9
Sep 14 16:35:19.686 INFO kablam!    |
Sep 14 16:35:19.686 INFO kablam! 50 |     let mut buff2 : &mut [u8] = &mut [0; 1024];
Sep 14 16:35:19.686 INFO kablam!    |         ----^^^^^
Sep 14 16:35:19.686 INFO kablam!    |         |
Sep 14 16:35:19.686 INFO kablam!    |         help: remove this `mut`
Sep 14 16:35:19.686 INFO kablam! 
Sep 14 16:35:19.698 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.29s
Sep 14 16:35:19.699 INFO kablam! su: No module specific data is present
Sep 14 16:35:20.288 INFO running `"docker" "rm" "-f" "4003619faaa99b1d8edae54455f4042796fd6e9977ba0747d7abdf5a8957dd92"`
Sep 14 16:35:20.394 INFO blam! 4003619faaa99b1d8edae54455f4042796fd6e9977ba0747d7abdf5a8957dd92