Jul 12 05:34:52.167 INFO checking lewton-0.5.2 against try#d39a6f7eddafd45dcc60e99001b8cd08c2bd3255 for pr-52234
Jul 12 05:34:52.167 INFO running: cargo +d39a6f7eddafd45dcc60e99001b8cd08c2bd3255-alt check --frozen --all --all-targets
Jul 12 05:34:52.167 INFO creating container for: cargo +d39a6f7eddafd45dcc60e99001b8cd08c2bd3255-alt check --frozen --all --all-targets
Jul 12 05:34:52.167 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-52234/try#d39a6f7eddafd45dcc60e99001b8cd08c2bd3255:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-52234/worker-0/try#d39a6f7eddafd45dcc60e99001b8cd08c2bd3255:/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 +d39a6f7eddafd45dcc60e99001b8cd08c2bd3255-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "crater"`
Jul 12 05:34:52.470 INFO blam! 6e9d501778bd208dff56e672145acd409b97057f85c3db7c4cea9698f0614d49
Jul 12 05:34:52.473 INFO running `"docker" "start" "-a" "6e9d501778bd208dff56e672145acd409b97057f85c3db7c4cea9698f0614d49"`
Jul 12 05:34:53.573 INFO kablam!    Compiling procedural-masquerade v0.1.5
Jul 12 05:34:53.573 INFO kablam!     Checking stable_deref_trait v1.1.0
Jul 12 05:34:53.575 INFO kablam!    Compiling syn v0.11.11
Jul 12 05:34:53.576 INFO kablam!     Checking lewton v0.5.2 (file:///source)
Jul 12 05:34:59.820 INFO kablam! warning: variable does not need to be mutable
Jul 12 05:34:59.820 INFO kablam!   --> src/huffman_tree.rs:96:8
Jul 12 05:34:59.820 INFO kablam!    |
Jul 12 05:34:59.820 INFO kablam! 96 |             let mut left = self.l.as_mut().unwrap();
Jul 12 05:34:59.820 INFO kablam!    |                 ----^^^^
Jul 12 05:34:59.820 INFO kablam!    |                 |
Jul 12 05:34:59.820 INFO kablam!    |                 help: remove this `mut`
Jul 12 05:34:59.820 INFO kablam!    |
Jul 12 05:34:59.820 INFO kablam!    = note: #[warn(unused_mut)] on by default
Jul 12 05:34:59.820 INFO kablam! 
Jul 12 05:35:00.012 INFO kablam! warning: variable does not need to be mutable
Jul 12 05:35:00.012 INFO kablam!    --> src/imdct.rs:379:7
Jul 12 05:35:00.012 INFO kablam!     |
Jul 12 05:35:00.012 INFO kablam! 379 |         let mut u = &mut *buffer;
Jul 12 05:35:00.012 INFO kablam!     |             ----^
Jul 12 05:35:00.012 INFO kablam!     |             |
Jul 12 05:35:00.012 INFO kablam!     |             help: remove this `mut`
Jul 12 05:35:00.022 INFO kablam! 
Jul 12 05:35:00.023 INFO kablam! warning: variable does not need to be mutable
Jul 12 05:35:00.023 INFO kablam!    --> src/imdct.rs:380:7
Jul 12 05:35:00.023 INFO kablam!     |
Jul 12 05:35:00.023 INFO kablam! 380 |         let mut v = &mut *buf2;
Jul 12 05:35:00.023 INFO kablam!     |             ----^
Jul 12 05:35:00.023 INFO kablam!     |             |
Jul 12 05:35:00.023 INFO kablam!     |             help: remove this `mut`
Jul 12 05:35:00.024 INFO kablam! 
Jul 12 05:35:16.851 INFO kablam!    Compiling rental-impl v0.4.15
Jul 12 05:35:41.770 INFO kablam!     Checking rental v0.4.16
Jul 12 05:35:43.109 INFO kablam!     Checking al-sys v0.4.1
Jul 12 05:35:45.905 INFO kablam!     Checking alto v1.1.4
Jul 12 05:36:00.484 INFO kablam! warning: unused `std::result::Result` which must be used
Jul 12 05:36:00.484 INFO kablam!   --> examples/player.rs:66:3
Jul 12 05:36:00.484 INFO kablam!    |
Jul 12 05:36:00.484 INFO kablam! 66 |         str_src.queue_buffer(buf);
Jul 12 05:36:00.484 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Jul 12 05:36:00.484 INFO kablam!    |
Jul 12 05:36:00.484 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Jul 12 05:36:00.484 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Jul 12 05:36:00.484 INFO kablam! 
Jul 12 05:36:04.572 INFO kablam! error: variable does not need to be mutable
Jul 12 05:36:04.572 INFO kablam!   --> src/huffman_tree.rs:96:8
Jul 12 05:36:04.572 INFO kablam!    |
Jul 12 05:36:04.572 INFO kablam! 96 |             let mut left = self.l.as_mut().unwrap();
Jul 12 05:36:04.572 INFO kablam!    |                 ----^^^^
Jul 12 05:36:04.572 INFO kablam!    |                 |
Jul 12 05:36:04.572 INFO kablam!    |                 help: remove this `mut`
Jul 12 05:36:04.572 INFO kablam!    |
Jul 12 05:36:04.572 INFO kablam! note: lint level defined here
Jul 12 05:36:04.572 INFO kablam!   --> src/lib.rs:10:24
Jul 12 05:36:04.572 INFO kablam!    |
Jul 12 05:36:04.572 INFO kablam! 10 | #![cfg_attr(test, deny(warnings))]
Jul 12 05:36:04.572 INFO kablam!    |                        ^^^^^^^^
Jul 12 05:36:04.572 INFO kablam!    = note: #[deny(unused_mut)] implied by #[deny(warnings)]
Jul 12 05:36:04.572 INFO kablam! 
Jul 12 05:36:04.642 INFO kablam! error: variable does not need to be mutable
Jul 12 05:36:04.642 INFO kablam!    --> src/imdct.rs:379:7
Jul 12 05:36:04.642 INFO kablam!     |
Jul 12 05:36:04.642 INFO kablam! 379 |         let mut u = &mut *buffer;
Jul 12 05:36:04.642 INFO kablam!     |             ----^
Jul 12 05:36:04.642 INFO kablam!     |             |
Jul 12 05:36:04.642 INFO kablam!     |             help: remove this `mut`
Jul 12 05:36:04.642 INFO kablam! 
Jul 12 05:36:04.643 INFO kablam! error: variable does not need to be mutable
Jul 12 05:36:04.643 INFO kablam!    --> src/imdct.rs:380:7
Jul 12 05:36:04.643 INFO kablam!     |
Jul 12 05:36:04.643 INFO kablam! 380 |         let mut v = &mut *buf2;
Jul 12 05:36:04.643 INFO kablam!     |             ----^
Jul 12 05:36:04.643 INFO kablam!     |             |
Jul 12 05:36:04.643 INFO kablam!     |             help: remove this `mut`
Jul 12 05:36:04.643 INFO kablam! 
Jul 12 05:36:05.085 INFO kablam! error: aborting due to 3 previous errors
Jul 12 05:36:05.085 INFO kablam! 
Jul 12 05:36:05.101 INFO kablam! error: Could not compile `lewton`.
Jul 12 05:36:05.102 INFO kablam! 
Jul 12 05:36:05.102 INFO kablam! To learn more, run the command again with --verbose.
Jul 12 05:36:05.103 INFO kablam! su: No module specific data is present
Jul 12 05:36:05.639 INFO running `"docker" "rm" "-f" "6e9d501778bd208dff56e672145acd409b97057f85c3db7c4cea9698f0614d49"`
Jul 12 05:36:05.744 INFO blam! 6e9d501778bd208dff56e672145acd409b97057f85c3db7c4cea9698f0614d49