Sep 21 10:26:17.085 INFO checking file_diff-1.0.0 against try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6 for pr-54394
Sep 21 10:26:17.085 INFO running: cargo +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets
Sep 21 10:26:17.085 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-54394/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-3/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/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 +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 21 10:26:17.215 INFO blam! 649bd8364c1a6b16cf0faea8ea6bf6adb44b4ad7326a20c2d5a1ca3d2bba0a95
Sep 21 10:26:17.216 INFO running `"docker" "start" "-a" "649bd8364c1a6b16cf0faea8ea6bf6adb44b4ad7326a20c2d5a1ca3d2bba0a95"`
Sep 21 10:26:18.472 INFO kablam! usermod: no changes
Sep 21 10:26:18.490 INFO kablam!     Checking file_diff v1.0.0 (/source)
Sep 21 10:26:18.694 INFO kablam! warning: variable does not need to be mutable
Sep 21 10:26:18.694 INFO kablam!   --> src/lib.rs:49:9
Sep 21 10:26:18.694 INFO kablam!    |
Sep 21 10:26:18.694 INFO kablam! 49 |     let mut buff1 : &mut [u8] = &mut [0; 1024];
Sep 21 10:26:18.694 INFO kablam!    |         ----^^^^^
Sep 21 10:26:18.694 INFO kablam!    |         |
Sep 21 10:26:18.694 INFO kablam!    |         help: remove this `mut`
Sep 21 10:26:18.694 INFO kablam!    |
Sep 21 10:26:18.694 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 21 10:26:18.694 INFO kablam! 
Sep 21 10:26:18.694 INFO kablam! warning: variable does not need to be mutable
Sep 21 10:26:18.694 INFO kablam!   --> src/lib.rs:50:9
Sep 21 10:26:18.694 INFO kablam!    |
Sep 21 10:26:18.694 INFO kablam! 50 |     let mut buff2 : &mut [u8] = &mut [0; 1024];
Sep 21 10:26:18.694 INFO kablam!    |         ----^^^^^
Sep 21 10:26:18.694 INFO kablam!    |         |
Sep 21 10:26:18.694 INFO kablam!    |         help: remove this `mut`
Sep 21 10:26:18.694 INFO kablam! 
Sep 21 10:26:18.735 INFO kablam! warning: variable does not need to be mutable
Sep 21 10:26:18.735 INFO kablam!   --> src/lib.rs:49:9
Sep 21 10:26:18.735 INFO kablam!    |
Sep 21 10:26:18.735 INFO kablam! 49 |     let mut buff1 : &mut [u8] = &mut [0; 1024];
Sep 21 10:26:18.735 INFO kablam!    |         ----^^^^^
Sep 21 10:26:18.735 INFO kablam!    |         |
Sep 21 10:26:18.735 INFO kablam!    |         help: remove this `mut`
Sep 21 10:26:18.735 INFO kablam!    |
Sep 21 10:26:18.735 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 21 10:26:18.735 INFO kablam! 
Sep 21 10:26:18.735 INFO kablam! warning: variable does not need to be mutable
Sep 21 10:26:18.735 INFO kablam!   --> src/lib.rs:50:9
Sep 21 10:26:18.735 INFO kablam!    |
Sep 21 10:26:18.735 INFO kablam! 50 |     let mut buff2 : &mut [u8] = &mut [0; 1024];
Sep 21 10:26:18.735 INFO kablam!    |         ----^^^^^
Sep 21 10:26:18.735 INFO kablam!    |         |
Sep 21 10:26:18.735 INFO kablam!    |         help: remove this `mut`
Sep 21 10:26:18.735 INFO kablam! 
Sep 21 10:26:18.750 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.26s
Sep 21 10:26:18.751 INFO kablam! su: No module specific data is present
Sep 21 10:26:19.159 INFO running `"docker" "rm" "-f" "649bd8364c1a6b16cf0faea8ea6bf6adb44b4ad7326a20c2d5a1ca3d2bba0a95"`
Sep 21 10:26:19.320 INFO blam! 649bd8364c1a6b16cf0faea8ea6bf6adb44b4ad7326a20c2d5a1ca3d2bba0a95