Sep 17 16:20:56.997 INFO checking tac-0.2.3 against try#cfeeefe83c83bceb55d60d7e2be173db7597ed50 for pr-54033
Sep 17 16:20:56.997 INFO running: cargo +cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt check --frozen --all --all-targets
Sep 17 16:20:56.998 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-54033/try#cfeeefe83c83bceb55d60d7e2be173db7597ed50:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54033/worker-2/try#cfeeefe83c83bceb55d60d7e2be173db7597ed50:/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 +cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 17 16:20:57.210 INFO blam! cfd28123c6582b1e9a7cb2c2dcfbf280a8eeffec2b584b0bb84438744384755c
Sep 17 16:20:57.212 INFO running `"docker" "start" "-a" "cfd28123c6582b1e9a7cb2c2dcfbf280a8eeffec2b584b0bb84438744384755c"`
Sep 17 16:20:57.814 INFO kablam! usermod: no changes
Sep 17 16:20:57.864 INFO kablam!     Checking memmap v0.5.2
Sep 17 16:20:57.866 INFO kablam!     Checking uuid v0.4.0
Sep 17 16:20:58.287 INFO kablam!     Checking tac v0.2.3 (/source)
Sep 17 16:20:58.591 INFO kablam! warning: variable does not need to be mutable
Sep 17 16:20:58.591 INFO kablam!   --> src/main.rs:64:16
Sep 17 16:20:58.591 INFO kablam!    |
Sep 17 16:20:58.591 INFO kablam! 64 | fn print_bytes(mut stdout: &mut StdoutLock, bytes: &[u8]) {
Sep 17 16:20:58.591 INFO kablam!    |                ----^^^^^^
Sep 17 16:20:58.591 INFO kablam!    |                |
Sep 17 16:20:58.591 INFO kablam!    |                help: remove this `mut`
Sep 17 16:20:58.591 INFO kablam!    |
Sep 17 16:20:58.591 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 17 16:20:58.591 INFO kablam! 
Sep 17 16:20:58.614 INFO kablam! warning: variable does not need to be mutable
Sep 17 16:20:58.615 INFO kablam!   --> src/main.rs:64:16
Sep 17 16:20:58.615 INFO kablam!    |
Sep 17 16:20:58.615 INFO kablam! 64 | fn print_bytes(mut stdout: &mut StdoutLock, bytes: &[u8]) {
Sep 17 16:20:58.615 INFO kablam!    |                ----^^^^^^
Sep 17 16:20:58.615 INFO kablam!    |                |
Sep 17 16:20:58.615 INFO kablam!    |                help: remove this `mut`
Sep 17 16:20:58.615 INFO kablam!    |
Sep 17 16:20:58.615 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 17 16:20:58.615 INFO kablam! 
Sep 17 16:20:58.646 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
Sep 17 16:20:58.647 INFO kablam! su: No module specific data is present
Sep 17 16:20:59.256 INFO running `"docker" "rm" "-f" "cfd28123c6582b1e9a7cb2c2dcfbf280a8eeffec2b584b0bb84438744384755c"`
Sep 17 16:20:59.454 INFO blam! cfd28123c6582b1e9a7cb2c2dcfbf280a8eeffec2b584b0bb84438744384755c