Aug 31 23:06:12.175 INFO checking lewton-0.5.2 against master#d0d81b7fc1421859ba0218e8a437af29ae3b0967 for pr-53578
Aug 31 23:06:12.175 INFO running: cargo +d0d81b7fc1421859ba0218e8a437af29ae3b0967-alt check --frozen --all --all-targets
Aug 31 23:06:12.175 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53578/master#d0d81b7fc1421859ba0218e8a437af29ae3b0967:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578/worker-3/master#d0d81b7fc1421859ba0218e8a437af29ae3b0967:/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 +d0d81b7fc1421859ba0218e8a437af29ae3b0967-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 31 23:06:12.399 INFO blam! 4b671066e9aad575752a20f8959120ca9bad6a49bb31634e4bf7762e061e8991
Aug 31 23:06:12.401 INFO running `"docker" "start" "-a" "4b671066e9aad575752a20f8959120ca9bad6a49bb31634e4bf7762e061e8991"`
Aug 31 23:06:13.409 INFO kablam!     Checking lewton v0.5.2 (file:///source)
Aug 31 23:06:13.409 INFO kablam!     Checking libloading v0.4.3
Aug 31 23:06:14.418 INFO kablam!     Checking al-sys v0.4.1
Aug 31 23:06:16.847 INFO kablam! warning: variable does not need to be mutable
Aug 31 23:06:16.847 INFO kablam!   --> src/huffman_tree.rs:96:8
Aug 31 23:06:16.847 INFO kablam!    |
Aug 31 23:06:16.847 INFO kablam! 96 |             let mut left = self.l.as_mut().unwrap();
Aug 31 23:06:16.847 INFO kablam!    |                 ----^^^^
Aug 31 23:06:16.847 INFO kablam!    |                 |
Aug 31 23:06:16.847 INFO kablam!    |                 help: remove this `mut`
Aug 31 23:06:16.847 INFO kablam!    |
Aug 31 23:06:16.847 INFO kablam!    = note: #[warn(unused_mut)] on by default
Aug 31 23:06:16.847 INFO kablam! 
Aug 31 23:06:16.940 INFO kablam! warning: variable does not need to be mutable
Aug 31 23:06:16.940 INFO kablam!    --> src/imdct.rs:379:7
Aug 31 23:06:16.940 INFO kablam!     |
Aug 31 23:06:16.940 INFO kablam! 379 |         let mut u = &mut *buffer;
Aug 31 23:06:16.940 INFO kablam!     |             ----^
Aug 31 23:06:16.940 INFO kablam!     |             |
Aug 31 23:06:16.940 INFO kablam!     |             help: remove this `mut`
Aug 31 23:06:16.940 INFO kablam! 
Aug 31 23:06:16.940 INFO kablam! warning: variable does not need to be mutable
Aug 31 23:06:16.940 INFO kablam!    --> src/imdct.rs:380:7
Aug 31 23:06:16.940 INFO kablam!     |
Aug 31 23:06:16.941 INFO kablam! 380 |         let mut v = &mut *buf2;
Aug 31 23:06:16.941 INFO kablam!     |             ----^
Aug 31 23:06:16.941 INFO kablam!     |             |
Aug 31 23:06:16.941 INFO kablam!     |             help: remove this `mut`
Aug 31 23:06:16.941 INFO kablam! 
Aug 31 23:06:17.072 INFO kablam!     Checking alto v1.1.4
Aug 31 23:06:26.383 INFO kablam! warning: unused `std::result::Result` which must be used
Aug 31 23:06:26.383 INFO kablam!   --> examples/player.rs:66:3
Aug 31 23:06:26.384 INFO kablam!    |
Aug 31 23:06:26.384 INFO kablam! 66 |         str_src.queue_buffer(buf);
Aug 31 23:06:26.384 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 31 23:06:26.384 INFO kablam!    |
Aug 31 23:06:26.384 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Aug 31 23:06:26.384 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Aug 31 23:06:26.384 INFO kablam! 
Aug 31 23:06:27.688 INFO kablam! error: variable does not need to be mutable
Aug 31 23:06:27.688 INFO kablam!   --> src/huffman_tree.rs:96:8
Aug 31 23:06:27.688 INFO kablam!    |
Aug 31 23:06:27.688 INFO kablam! 96 |             let mut left = self.l.as_mut().unwrap();
Aug 31 23:06:27.688 INFO kablam!    |                 ----^^^^
Aug 31 23:06:27.688 INFO kablam!    |                 |
Aug 31 23:06:27.688 INFO kablam!    |                 help: remove this `mut`
Aug 31 23:06:27.688 INFO kablam!    |
Aug 31 23:06:27.688 INFO kablam! note: lint level defined here
Aug 31 23:06:27.688 INFO kablam!   --> src/lib.rs:10:24
Aug 31 23:06:27.688 INFO kablam!    |
Aug 31 23:06:27.689 INFO kablam! 10 | #![cfg_attr(test, deny(warnings))]
Aug 31 23:06:27.689 INFO kablam!    |                        ^^^^^^^^
Aug 31 23:06:27.689 INFO kablam!    = note: #[deny(unused_mut)] implied by #[deny(warnings)]
Aug 31 23:06:27.689 INFO kablam! 
Aug 31 23:06:27.732 INFO kablam! error: variable does not need to be mutable
Aug 31 23:06:27.732 INFO kablam!    --> src/imdct.rs:379:7
Aug 31 23:06:27.732 INFO kablam!     |
Aug 31 23:06:27.732 INFO kablam! 379 |         let mut u = &mut *buffer;
Aug 31 23:06:27.732 INFO kablam!     |             ----^
Aug 31 23:06:27.732 INFO kablam!     |             |
Aug 31 23:06:27.732 INFO kablam!     |             help: remove this `mut`
Aug 31 23:06:27.733 INFO kablam! 
Aug 31 23:06:27.733 INFO kablam! error: variable does not need to be mutable
Aug 31 23:06:27.733 INFO kablam!    --> src/imdct.rs:380:7
Aug 31 23:06:27.733 INFO kablam!     |
Aug 31 23:06:27.733 INFO kablam! 380 |         let mut v = &mut *buf2;
Aug 31 23:06:27.733 INFO kablam!     |             ----^
Aug 31 23:06:27.733 INFO kablam!     |             |
Aug 31 23:06:27.733 INFO kablam!     |             help: remove this `mut`
Aug 31 23:06:27.733 INFO kablam! 
Aug 31 23:06:28.020 INFO kablam! error: aborting due to 3 previous errors
Aug 31 23:06:28.020 INFO kablam! 
Aug 31 23:06:28.032 INFO kablam! error: Could not compile `lewton`.
Aug 31 23:06:28.032 INFO kablam! 
Aug 31 23:06:28.032 INFO kablam! To learn more, run the command again with --verbose.
Aug 31 23:06:28.034 INFO kablam! su: No module specific data is present
Aug 31 23:06:28.532 INFO running `"docker" "rm" "-f" "4b671066e9aad575752a20f8959120ca9bad6a49bb31634e4bf7762e061e8991"`
Aug 31 23:06:28.638 INFO blam! 4b671066e9aad575752a20f8959120ca9bad6a49bb31634e4bf7762e061e8991