Aug 30 12:46:18.996 INFO checking lewton-0.5.2 against master#ede55518431154bc761f7b2438cce9078c162700 for pr-53707
Aug 30 12:46:18.996 INFO running: cargo +ede55518431154bc761f7b2438cce9078c162700-alt check --frozen --all --all-targets
Aug 30 12:46:18.996 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53707/master#ede55518431154bc761f7b2438cce9078c162700:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53707/worker-3/master#ede55518431154bc761f7b2438cce9078c162700:/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 +ede55518431154bc761f7b2438cce9078c162700-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 30 12:46:19.155 INFO blam! 69101ebd42fefe2aba56d6464d2b515e1d5c634ed02356e37ad20b1a7d660e3a
Aug 30 12:46:19.157 INFO running `"docker" "start" "-a" "69101ebd42fefe2aba56d6464d2b515e1d5c634ed02356e37ad20b1a7d660e3a"`
Aug 30 12:46:19.982 INFO kablam!     Checking stable_deref_trait v1.1.1
Aug 30 12:46:19.983 INFO kablam!     Checking lewton v0.5.2 (file:///source)
Aug 30 12:46:20.479 INFO kablam!     Checking rental v0.4.16
Aug 30 12:46:21.676 INFO kablam!     Checking al-sys v0.4.1
Aug 30 12:46:22.500 INFO kablam! warning: variable does not need to be mutable
Aug 30 12:46:22.500 INFO kablam!   --> src/huffman_tree.rs:96:8
Aug 30 12:46:22.500 INFO kablam!    |
Aug 30 12:46:22.500 INFO kablam! 96 |             let mut left = self.l.as_mut().unwrap();
Aug 30 12:46:22.500 INFO kablam!    |                 ----^^^^
Aug 30 12:46:22.500 INFO kablam!    |                 |
Aug 30 12:46:22.500 INFO kablam!    |                 help: remove this `mut`
Aug 30 12:46:22.500 INFO kablam!    |
Aug 30 12:46:22.500 INFO kablam!    = note: #[warn(unused_mut)] on by default
Aug 30 12:46:22.500 INFO kablam! 
Aug 30 12:46:22.581 INFO kablam! warning: variable does not need to be mutable
Aug 30 12:46:22.581 INFO kablam!    --> src/imdct.rs:379:7
Aug 30 12:46:22.581 INFO kablam!     |
Aug 30 12:46:22.581 INFO kablam! 379 |         let mut u = &mut *buffer;
Aug 30 12:46:22.581 INFO kablam!     |             ----^
Aug 30 12:46:22.581 INFO kablam!     |             |
Aug 30 12:46:22.582 INFO kablam!     |             help: remove this `mut`
Aug 30 12:46:22.582 INFO kablam! 
Aug 30 12:46:22.582 INFO kablam! warning: variable does not need to be mutable
Aug 30 12:46:22.582 INFO kablam!    --> src/imdct.rs:380:7
Aug 30 12:46:22.582 INFO kablam!     |
Aug 30 12:46:22.582 INFO kablam! 380 |         let mut v = &mut *buf2;
Aug 30 12:46:22.582 INFO kablam!     |             ----^
Aug 30 12:46:22.582 INFO kablam!     |             |
Aug 30 12:46:22.582 INFO kablam!     |             help: remove this `mut`
Aug 30 12:46:22.582 INFO kablam! 
Aug 30 12:46:23.999 INFO kablam!     Checking alto v1.1.4
Aug 30 12:46:33.105 INFO kablam! warning: unused `std::result::Result` which must be used
Aug 30 12:46:33.105 INFO kablam!   --> examples/player.rs:66:3
Aug 30 12:46:33.105 INFO kablam!    |
Aug 30 12:46:33.105 INFO kablam! 66 |         str_src.queue_buffer(buf);
Aug 30 12:46:33.105 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 30 12:46:33.105 INFO kablam!    |
Aug 30 12:46:33.105 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Aug 30 12:46:33.105 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Aug 30 12:46:33.105 INFO kablam! 
Aug 30 12:46:34.658 INFO kablam! error: variable does not need to be mutable
Aug 30 12:46:34.658 INFO kablam!   --> src/huffman_tree.rs:96:8
Aug 30 12:46:34.658 INFO kablam!    |
Aug 30 12:46:34.658 INFO kablam! 96 |             let mut left = self.l.as_mut().unwrap();
Aug 30 12:46:34.658 INFO kablam!    |                 ----^^^^
Aug 30 12:46:34.658 INFO kablam!    |                 |
Aug 30 12:46:34.658 INFO kablam!    |                 help: remove this `mut`
Aug 30 12:46:34.658 INFO kablam!    |
Aug 30 12:46:34.658 INFO kablam! note: lint level defined here
Aug 30 12:46:34.658 INFO kablam!   --> src/lib.rs:10:24
Aug 30 12:46:34.658 INFO kablam!    |
Aug 30 12:46:34.658 INFO kablam! 10 | #![cfg_attr(test, deny(warnings))]
Aug 30 12:46:34.658 INFO kablam!    |                        ^^^^^^^^
Aug 30 12:46:34.658 INFO kablam!    = note: #[deny(unused_mut)] implied by #[deny(warnings)]
Aug 30 12:46:34.658 INFO kablam! 
Aug 30 12:46:34.699 INFO kablam! error: variable does not need to be mutable
Aug 30 12:46:34.699 INFO kablam!    --> src/imdct.rs:379:7
Aug 30 12:46:34.699 INFO kablam!     |
Aug 30 12:46:34.699 INFO kablam! 379 |         let mut u = &mut *buffer;
Aug 30 12:46:34.699 INFO kablam!     |             ----^
Aug 30 12:46:34.699 INFO kablam!     |             |
Aug 30 12:46:34.699 INFO kablam!     |             help: remove this `mut`
Aug 30 12:46:34.699 INFO kablam! 
Aug 30 12:46:34.699 INFO kablam! error: variable does not need to be mutable
Aug 30 12:46:34.699 INFO kablam!    --> src/imdct.rs:380:7
Aug 30 12:46:34.699 INFO kablam!     |
Aug 30 12:46:34.699 INFO kablam! 380 |         let mut v = &mut *buf2;
Aug 30 12:46:34.699 INFO kablam!     |             ----^
Aug 30 12:46:34.699 INFO kablam!     |             |
Aug 30 12:46:34.699 INFO kablam!     |             help: remove this `mut`
Aug 30 12:46:34.699 INFO kablam! 
Aug 30 12:46:34.975 INFO kablam! error: aborting due to 3 previous errors
Aug 30 12:46:34.975 INFO kablam! 
Aug 30 12:46:34.983 INFO kablam! error: Could not compile `lewton`.
Aug 30 12:46:34.983 INFO kablam! 
Aug 30 12:46:34.983 INFO kablam! To learn more, run the command again with --verbose.
Aug 30 12:46:34.985 INFO kablam! su: No module specific data is present
Aug 30 12:46:35.413 INFO running `"docker" "rm" "-f" "69101ebd42fefe2aba56d6464d2b515e1d5c634ed02356e37ad20b1a7d660e3a"`
Aug 30 12:46:35.510 INFO blam! 69101ebd42fefe2aba56d6464d2b515e1d5c634ed02356e37ad20b1a7d660e3a