Aug 30 12:18:43.971 INFO checking lewton-0.5.2 against master#545f22340f72ee0efaf6463efb43a2840e3d35db for pr-53699
Aug 30 12:18:43.971 INFO running: cargo +545f22340f72ee0efaf6463efb43a2840e3d35db-alt check --frozen --all --all-targets
Aug 30 12:18:43.971 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53699/master#545f22340f72ee0efaf6463efb43a2840e3d35db:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53699/worker-2/master#545f22340f72ee0efaf6463efb43a2840e3d35db:/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 +545f22340f72ee0efaf6463efb43a2840e3d35db-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 30 12:18:44.214 INFO blam! 2a832e0f26d46294cf17c9707ea104286847b267df2013961b94beac02fa9d59
Aug 30 12:18:44.216 INFO running `"docker" "start" "-a" "2a832e0f26d46294cf17c9707ea104286847b267df2013961b94beac02fa9d59"`
Aug 30 12:18:44.960 INFO kablam!     Checking lewton v0.5.2 (file:///source)
Aug 30 12:18:44.961 INFO kablam!     Checking al-sys v0.4.1
Aug 30 12:18:47.233 INFO kablam! warning: variable does not need to be mutable
Aug 30 12:18:47.233 INFO kablam!   --> src/huffman_tree.rs:96:8
Aug 30 12:18:47.233 INFO kablam!    |
Aug 30 12:18:47.233 INFO kablam! 96 |             let mut left = self.l.as_mut().unwrap();
Aug 30 12:18:47.233 INFO kablam!    |                 ----^^^^
Aug 30 12:18:47.233 INFO kablam!    |                 |
Aug 30 12:18:47.233 INFO kablam!    |                 help: remove this `mut`
Aug 30 12:18:47.233 INFO kablam!    |
Aug 30 12:18:47.233 INFO kablam!    = note: #[warn(unused_mut)] on by default
Aug 30 12:18:47.233 INFO kablam! 
Aug 30 12:18:47.280 INFO kablam! warning: variable does not need to be mutable
Aug 30 12:18:47.280 INFO kablam!    --> src/imdct.rs:379:7
Aug 30 12:18:47.280 INFO kablam!     |
Aug 30 12:18:47.280 INFO kablam! 379 |         let mut u = &mut *buffer;
Aug 30 12:18:47.280 INFO kablam!     |             ----^
Aug 30 12:18:47.280 INFO kablam!     |             |
Aug 30 12:18:47.280 INFO kablam!     |             help: remove this `mut`
Aug 30 12:18:47.280 INFO kablam! 
Aug 30 12:18:47.280 INFO kablam! warning: variable does not need to be mutable
Aug 30 12:18:47.280 INFO kablam!    --> src/imdct.rs:380:7
Aug 30 12:18:47.281 INFO kablam!     |
Aug 30 12:18:47.281 INFO kablam! 380 |         let mut v = &mut *buf2;
Aug 30 12:18:47.281 INFO kablam!     |             ----^
Aug 30 12:18:47.281 INFO kablam!     |             |
Aug 30 12:18:47.281 INFO kablam!     |             help: remove this `mut`
Aug 30 12:18:47.281 INFO kablam! 
Aug 30 12:18:47.740 INFO kablam!     Checking alto v1.1.4
Aug 30 12:18:58.018 INFO kablam! warning: unused `std::result::Result` which must be used
Aug 30 12:18:58.018 INFO kablam!   --> examples/player.rs:66:3
Aug 30 12:18:58.018 INFO kablam!    |
Aug 30 12:18:58.018 INFO kablam! 66 |         str_src.queue_buffer(buf);
Aug 30 12:18:58.018 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 30 12:18:58.019 INFO kablam!    |
Aug 30 12:18:58.019 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Aug 30 12:18:58.019 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Aug 30 12:18:58.019 INFO kablam! 
Aug 30 12:18:59.633 INFO kablam! error: variable does not need to be mutable
Aug 30 12:18:59.633 INFO kablam!   --> src/huffman_tree.rs:96:8
Aug 30 12:18:59.634 INFO kablam!    |
Aug 30 12:18:59.634 INFO kablam! 96 |             let mut left = self.l.as_mut().unwrap();
Aug 30 12:18:59.634 INFO kablam!    |                 ----^^^^
Aug 30 12:18:59.634 INFO kablam!    |                 |
Aug 30 12:18:59.634 INFO kablam!    |                 help: remove this `mut`
Aug 30 12:18:59.634 INFO kablam!    |
Aug 30 12:18:59.634 INFO kablam! note: lint level defined here
Aug 30 12:18:59.634 INFO kablam!   --> src/lib.rs:10:24
Aug 30 12:18:59.634 INFO kablam!    |
Aug 30 12:18:59.634 INFO kablam! 10 | #![cfg_attr(test, deny(warnings))]
Aug 30 12:18:59.634 INFO kablam!    |                        ^^^^^^^^
Aug 30 12:18:59.634 INFO kablam!    = note: #[deny(unused_mut)] implied by #[deny(warnings)]
Aug 30 12:18:59.634 INFO kablam! 
Aug 30 12:18:59.700 INFO kablam! error: variable does not need to be mutable
Aug 30 12:18:59.700 INFO kablam!    --> src/imdct.rs:379:7
Aug 30 12:18:59.700 INFO kablam!     |
Aug 30 12:18:59.700 INFO kablam! 379 |         let mut u = &mut *buffer;
Aug 30 12:18:59.700 INFO kablam!     |             ----^
Aug 30 12:18:59.700 INFO kablam!     |             |
Aug 30 12:18:59.700 INFO kablam!     |             help: remove this `mut`
Aug 30 12:18:59.700 INFO kablam! 
Aug 30 12:18:59.700 INFO kablam! error: variable does not need to be mutable
Aug 30 12:18:59.700 INFO kablam!    --> src/imdct.rs:380:7
Aug 30 12:18:59.700 INFO kablam!     |
Aug 30 12:18:59.700 INFO kablam! 380 |         let mut v = &mut *buf2;
Aug 30 12:18:59.700 INFO kablam!     |             ----^
Aug 30 12:18:59.700 INFO kablam!     |             |
Aug 30 12:18:59.700 INFO kablam!     |             help: remove this `mut`
Aug 30 12:18:59.700 INFO kablam! 
Aug 30 12:19:00.120 INFO kablam! error: aborting due to 3 previous errors
Aug 30 12:19:00.121 INFO kablam! 
Aug 30 12:19:00.131 INFO kablam! error: Could not compile `lewton`.
Aug 30 12:19:00.131 INFO kablam! 
Aug 30 12:19:00.132 INFO kablam! To learn more, run the command again with --verbose.
Aug 30 12:19:00.133 INFO kablam! su: No module specific data is present
Aug 30 12:19:00.563 INFO running `"docker" "rm" "-f" "2a832e0f26d46294cf17c9707ea104286847b267df2013961b94beac02fa9d59"`
Aug 30 12:19:00.691 INFO blam! 2a832e0f26d46294cf17c9707ea104286847b267df2013961b94beac02fa9d59