Aug 30 12:18:42.045 INFO checking lewton-0.5.2 against try#bc5a74802bb3ffc82f51ef04bca58d64220124c4 for pr-53699
Aug 30 12:18:42.045 INFO running: cargo +bc5a74802bb3ffc82f51ef04bca58d64220124c4-alt check --frozen --all --all-targets
Aug 30 12:18:42.045 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53699/try#bc5a74802bb3ffc82f51ef04bca58d64220124c4:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53699/worker-3/try#bc5a74802bb3ffc82f51ef04bca58d64220124c4:/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 +bc5a74802bb3ffc82f51ef04bca58d64220124c4-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 30 12:18:42.201 INFO blam! cae46484ed329609fab186dd1929702b9a85ed82802b657fc7b142fe5f5eb492
Aug 30 12:18:42.203 INFO running `"docker" "start" "-a" "cae46484ed329609fab186dd1929702b9a85ed82802b657fc7b142fe5f5eb492"`
Aug 30 12:18:43.066 INFO kablam!     Checking lewton v0.5.2 (file:///source)
Aug 30 12:18:43.067 INFO kablam!     Checking al-sys v0.4.1
Aug 30 12:18:45.505 INFO kablam!     Checking alto v1.1.4
Aug 30 12:18:45.615 INFO kablam! warning: variable does not need to be mutable
Aug 30 12:18:45.616 INFO kablam!   --> src/huffman_tree.rs:96:8
Aug 30 12:18:45.616 INFO kablam!    |
Aug 30 12:18:45.616 INFO kablam! 96 |             let mut left = self.l.as_mut().unwrap();
Aug 30 12:18:45.616 INFO kablam!    |                 ----^^^^
Aug 30 12:18:45.616 INFO kablam!    |                 |
Aug 30 12:18:45.616 INFO kablam!    |                 help: remove this `mut`
Aug 30 12:18:45.616 INFO kablam!    |
Aug 30 12:18:45.616 INFO kablam!    = note: #[warn(unused_mut)] on by default
Aug 30 12:18:45.616 INFO kablam! 
Aug 30 12:18:45.706 INFO kablam! warning: variable does not need to be mutable
Aug 30 12:18:45.706 INFO kablam!    --> src/imdct.rs:379:7
Aug 30 12:18:45.706 INFO kablam!     |
Aug 30 12:18:45.706 INFO kablam! 379 |         let mut u = &mut *buffer;
Aug 30 12:18:45.706 INFO kablam!     |             ----^
Aug 30 12:18:45.706 INFO kablam!     |             |
Aug 30 12:18:45.706 INFO kablam!     |             help: remove this `mut`
Aug 30 12:18:45.706 INFO kablam! 
Aug 30 12:18:45.706 INFO kablam! warning: variable does not need to be mutable
Aug 30 12:18:45.706 INFO kablam!    --> src/imdct.rs:380:7
Aug 30 12:18:45.706 INFO kablam!     |
Aug 30 12:18:45.706 INFO kablam! 380 |         let mut v = &mut *buf2;
Aug 30 12:18:45.706 INFO kablam!     |             ----^
Aug 30 12:18:45.706 INFO kablam!     |             |
Aug 30 12:18:45.706 INFO kablam!     |             help: remove this `mut`
Aug 30 12:18:45.706 INFO kablam! 
Aug 30 12:18:55.474 INFO kablam! warning: unused `std::result::Result` which must be used
Aug 30 12:18:55.474 INFO kablam!   --> examples/player.rs:66:3
Aug 30 12:18:55.474 INFO kablam!    |
Aug 30 12:18:55.474 INFO kablam! 66 |         str_src.queue_buffer(buf);
Aug 30 12:18:55.474 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 30 12:18:55.475 INFO kablam!    |
Aug 30 12:18:55.475 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Aug 30 12:18:55.475 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Aug 30 12:18:55.475 INFO kablam! 
Aug 30 12:18:57.367 INFO kablam! error: variable does not need to be mutable
Aug 30 12:18:57.367 INFO kablam!   --> src/huffman_tree.rs:96:8
Aug 30 12:18:57.367 INFO kablam!    |
Aug 30 12:18:57.367 INFO kablam! 96 |             let mut left = self.l.as_mut().unwrap();
Aug 30 12:18:57.367 INFO kablam!    |                 ----^^^^
Aug 30 12:18:57.367 INFO kablam!    |                 |
Aug 30 12:18:57.367 INFO kablam!    |                 help: remove this `mut`
Aug 30 12:18:57.367 INFO kablam!    |
Aug 30 12:18:57.367 INFO kablam! note: lint level defined here
Aug 30 12:18:57.367 INFO kablam!   --> src/lib.rs:10:24
Aug 30 12:18:57.367 INFO kablam!    |
Aug 30 12:18:57.367 INFO kablam! 10 | #![cfg_attr(test, deny(warnings))]
Aug 30 12:18:57.367 INFO kablam!    |                        ^^^^^^^^
Aug 30 12:18:57.367 INFO kablam!    = note: #[deny(unused_mut)] implied by #[deny(warnings)]
Aug 30 12:18:57.367 INFO kablam! 
Aug 30 12:18:57.411 INFO kablam! error: variable does not need to be mutable
Aug 30 12:18:57.411 INFO kablam!    --> src/imdct.rs:379:7
Aug 30 12:18:57.411 INFO kablam!     |
Aug 30 12:18:57.411 INFO kablam! 379 |         let mut u = &mut *buffer;
Aug 30 12:18:57.411 INFO kablam!     |             ----^
Aug 30 12:18:57.411 INFO kablam!     |             |
Aug 30 12:18:57.411 INFO kablam!     |             help: remove this `mut`
Aug 30 12:18:57.411 INFO kablam! 
Aug 30 12:18:57.411 INFO kablam! error: variable does not need to be mutable
Aug 30 12:18:57.411 INFO kablam!    --> src/imdct.rs:380:7
Aug 30 12:18:57.411 INFO kablam!     |
Aug 30 12:18:57.411 INFO kablam! 380 |         let mut v = &mut *buf2;
Aug 30 12:18:57.411 INFO kablam!     |             ----^
Aug 30 12:18:57.411 INFO kablam!     |             |
Aug 30 12:18:57.411 INFO kablam!     |             help: remove this `mut`
Aug 30 12:18:57.411 INFO kablam! 
Aug 30 12:18:57.699 INFO kablam! error: aborting due to 3 previous errors
Aug 30 12:18:57.699 INFO kablam! 
Aug 30 12:18:57.708 INFO kablam! error: Could not compile `lewton`.
Aug 30 12:18:57.709 INFO kablam! 
Aug 30 12:18:57.709 INFO kablam! To learn more, run the command again with --verbose.
Aug 30 12:18:57.710 INFO kablam! su: No module specific data is present
Aug 30 12:18:58.263 INFO running `"docker" "rm" "-f" "cae46484ed329609fab186dd1929702b9a85ed82802b657fc7b142fe5f5eb492"`
Aug 30 12:18:58.393 INFO blam! cae46484ed329609fab186dd1929702b9a85ed82802b657fc7b142fe5f5eb492