Sep 04 17:47:16.941 INFO checking file_diff-1.0.0 against try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0 for pr-53893
Sep 04 17:47:16.941 INFO running: cargo +6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0-alt check --frozen --all --all-targets
Sep 04 17:47:16.941 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53893/try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-0/try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0:/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 +6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 17:47:17.107 INFO blam! 874b0b8854d140f1f5bac1f5837950540382d3275cf89580c46533528defd818
Sep 04 17:47:17.108 INFO running `"docker" "start" "-a" "874b0b8854d140f1f5bac1f5837950540382d3275cf89580c46533528defd818"`
Sep 04 17:47:17.782 INFO kablam!     Checking file_diff v1.0.0 (file:///source)
Sep 04 17:47:18.381 INFO kablam! warning: variable does not need to be mutable
Sep 04 17:47:18.381 INFO kablam!   --> src/lib.rs:49:9
Sep 04 17:47:18.381 INFO kablam!    |
Sep 04 17:47:18.381 INFO kablam! 49 |     let mut buff1 : &mut [u8] = &mut [0; 1024];
Sep 04 17:47:18.381 INFO kablam!    |         ----^^^^^
Sep 04 17:47:18.381 INFO kablam!    |         |
Sep 04 17:47:18.381 INFO kablam!    |         help: remove this `mut`
Sep 04 17:47:18.381 INFO kablam!    |
Sep 04 17:47:18.381 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 04 17:47:18.381 INFO kablam! 
Sep 04 17:47:18.381 INFO kablam! warning: variable does not need to be mutable
Sep 04 17:47:18.381 INFO kablam!   --> src/lib.rs:50:9
Sep 04 17:47:18.381 INFO kablam!    |
Sep 04 17:47:18.381 INFO kablam! 50 |     let mut buff2 : &mut [u8] = &mut [0; 1024];
Sep 04 17:47:18.381 INFO kablam!    |         ----^^^^^
Sep 04 17:47:18.382 INFO kablam!    |         |
Sep 04 17:47:18.382 INFO kablam!    |         help: remove this `mut`
Sep 04 17:47:18.382 INFO kablam! 
Sep 04 17:47:18.531 INFO kablam! warning: variable does not need to be mutable
Sep 04 17:47:18.531 INFO kablam!   --> src/lib.rs:49:9
Sep 04 17:47:18.531 INFO kablam!    |
Sep 04 17:47:18.531 INFO kablam! 49 |     let mut buff1 : &mut [u8] = &mut [0; 1024];
Sep 04 17:47:18.531 INFO kablam!    |         ----^^^^^
Sep 04 17:47:18.531 INFO kablam!    |         |
Sep 04 17:47:18.531 INFO kablam!    |         help: remove this `mut`
Sep 04 17:47:18.531 INFO kablam!    |
Sep 04 17:47:18.531 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 04 17:47:18.531 INFO kablam! 
Sep 04 17:47:18.531 INFO kablam! warning: variable does not need to be mutable
Sep 04 17:47:18.531 INFO kablam!   --> src/lib.rs:50:9
Sep 04 17:47:18.531 INFO kablam!    |
Sep 04 17:47:18.531 INFO kablam! 50 |     let mut buff2 : &mut [u8] = &mut [0; 1024];
Sep 04 17:47:18.532 INFO kablam!    |         ----^^^^^
Sep 04 17:47:18.532 INFO kablam!    |         |
Sep 04 17:47:18.532 INFO kablam!    |         help: remove this `mut`
Sep 04 17:47:18.532 INFO kablam! 
Sep 04 17:47:18.553 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
Sep 04 17:47:18.557 INFO kablam! su: No module specific data is present
Sep 04 17:47:19.063 INFO running `"docker" "rm" "-f" "874b0b8854d140f1f5bac1f5837950540382d3275cf89580c46533528defd818"`
Sep 04 17:47:19.156 INFO blam! 874b0b8854d140f1f5bac1f5837950540382d3275cf89580c46533528defd818