Sep 21 12:27:50.641 INFO checking cargo-sym-0.0.6 against master#f7f4c500b46603386e940f116b469c7adc043a6d for pr-54394
Sep 21 12:27:50.641 INFO running: cargo +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets
Sep 21 12:27:50.641 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-54394/master#f7f4c500b46603386e940f116b469c7adc043a6d:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-2/master#f7f4c500b46603386e940f116b469c7adc043a6d:/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 +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 21 12:27:50.879 INFO blam! 3464530f988d3611e3e35b5051144595c0c2cfc6d2a417ebef3860e39ef3f36d
Sep 21 12:27:50.881 INFO running `"docker" "start" "-a" "3464530f988d3611e3e35b5051144595c0c2cfc6d2a417ebef3860e39ef3f36d"`
Sep 21 12:27:52.273 INFO kablam! usermod: no changes
Sep 21 12:27:52.426 INFO kablam!     Checking scroll v0.3.0
Sep 21 12:27:52.438 INFO kablam!    Compiling syn v0.10.8
Sep 21 12:27:52.438 INFO kablam!    Compiling capstone-sys v0.2.0
Sep 21 12:28:00.242 INFO kablam!    Compiling scroll_derive v0.3.0
Sep 21 12:28:23.252 INFO kablam!     Checking goblin v0.0.8
Sep 21 12:28:25.307 INFO kablam!     Checking capstone3 v0.1.0
Sep 21 12:28:27.491 INFO kablam!     Checking cargo-sym v0.0.6 (/source)
Sep 21 12:28:29.010 INFO kablam! warning: variable does not need to be mutable
Sep 21 12:28:29.010 INFO kablam!   --> src/main.rs:67:13
Sep 21 12:28:29.010 INFO kablam!    |
Sep 21 12:28:29.010 INFO kablam! 67 |         let mut hex_buffer = &mut stack_buffer[..column_width * NCOLUMNS];
Sep 21 12:28:29.010 INFO kablam!    |             ----^^^^^^^^^^
Sep 21 12:28:29.010 INFO kablam!    |             |
Sep 21 12:28:29.010 INFO kablam!    |             help: remove this `mut`
Sep 21 12:28:29.010 INFO kablam!    |
Sep 21 12:28:29.010 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 21 12:28:29.010 INFO kablam! 
Sep 21 12:28:29.053 INFO kablam! warning: variable does not need to be mutable
Sep 21 12:28:29.053 INFO kablam!    --> src/main.rs:404:9
Sep 21 12:28:29.053 INFO kablam!     |
Sep 21 12:28:29.053 INFO kablam! 404 |     let mut bytes = &mut Cursor::new(&buffer);
Sep 21 12:28:29.053 INFO kablam!     |         ----^^^^^
Sep 21 12:28:29.053 INFO kablam!     |         |
Sep 21 12:28:29.053 INFO kablam!     |         help: remove this `mut`
Sep 21 12:28:29.053 INFO kablam! 
Sep 21 12:28:29.236 INFO kablam! warning: variable does not need to be mutable
Sep 21 12:28:29.237 INFO kablam!   --> src/main.rs:67:13
Sep 21 12:28:29.237 INFO kablam!    |
Sep 21 12:28:29.237 INFO kablam! 67 |         let mut hex_buffer = &mut stack_buffer[..column_width * NCOLUMNS];
Sep 21 12:28:29.238 INFO kablam!    |             ----^^^^^^^^^^
Sep 21 12:28:29.238 INFO kablam!    |             |
Sep 21 12:28:29.239 INFO kablam!    |             help: remove this `mut`
Sep 21 12:28:29.239 INFO kablam!    |
Sep 21 12:28:29.239 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 21 12:28:29.239 INFO kablam! 
Sep 21 12:28:29.302 INFO kablam! warning: variable does not need to be mutable
Sep 21 12:28:29.303 INFO kablam!    --> src/main.rs:404:9
Sep 21 12:28:29.303 INFO kablam!     |
Sep 21 12:28:29.303 INFO kablam! 404 |     let mut bytes = &mut Cursor::new(&buffer);
Sep 21 12:28:29.303 INFO kablam!     |         ----^^^^^
Sep 21 12:28:29.303 INFO kablam!     |         |
Sep 21 12:28:29.303 INFO kablam!     |         help: remove this `mut`
Sep 21 12:28:29.303 INFO kablam! 
Sep 21 12:28:29.521 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 37.22s
Sep 21 12:28:29.527 INFO kablam! su: No module specific data is present
Sep 21 12:28:30.421 INFO running `"docker" "rm" "-f" "3464530f988d3611e3e35b5051144595c0c2cfc6d2a417ebef3860e39ef3f36d"`
Sep 21 12:28:30.548 INFO blam! 3464530f988d3611e3e35b5051144595c0c2cfc6d2a417ebef3860e39ef3f36d