Sep 21 06:14:59.933 INFO checking ogg_vorbis_ref-0.0.1 against master#f7f4c500b46603386e940f116b469c7adc043a6d for pr-54394
Sep 21 06:14:59.933 INFO running: cargo +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets
Sep 21 06:14:59.933 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-54394/master#f7f4c500b46603386e940f116b469c7adc043a6d:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-6/master#f7f4c500b46603386e940f116b469c7adc043a6d:/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=1000" "-e" "CMD=cargo +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 21 06:15:00.177 INFO blam! c9705dcd1593ae830c00a623b0fd491f5291b714acf49cec7f51590a16e3646e
Sep 21 06:15:00.177 INFO running `"docker" "start" "-a" "c9705dcd1593ae830c00a623b0fd491f5291b714acf49cec7f51590a16e3646e"`
Sep 21 06:15:01.281 INFO kablam! usermod: no changes
Sep 21 06:15:01.341 INFO kablam!     Checking ogg_vorbis_ref v0.0.1 (/source)
Sep 21 06:15:01.588 INFO kablam! warning: variable does not need to be mutable
Sep 21 06:15:01.588 INFO kablam!   --> src/lib.rs:62:17
Sep 21 06:15:01.588 INFO kablam!    |
Sep 21 06:15:01.588 INFO kablam! 62 |             let mut stream = self.stream.as_mut().unwrap();
Sep 21 06:15:01.588 INFO kablam!    |                 ----^^^^^^
Sep 21 06:15:01.588 INFO kablam!    |                 |
Sep 21 06:15:01.588 INFO kablam!    |                 help: remove this `mut`
Sep 21 06:15:01.588 INFO kablam!    |
Sep 21 06:15:01.588 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 21 06:15:01.588 INFO kablam! 
Sep 21 06:15:01.597 INFO kablam! warning: variable does not need to be mutable
Sep 21 06:15:01.597 INFO kablam!    --> src/lib.rs:177:13
Sep 21 06:15:01.597 INFO kablam!     |
Sep 21 06:15:01.597 INFO kablam! 177 |         let mut synth = self.synth.as_mut().unwrap();
Sep 21 06:15:01.597 INFO kablam!     |             ----^^^^^
Sep 21 06:15:01.597 INFO kablam!     |             |
Sep 21 06:15:01.597 INFO kablam!     |             help: remove this `mut`
Sep 21 06:15:01.597 INFO kablam! 
Sep 21 06:15:01.627 INFO kablam! warning: variable does not need to be mutable
Sep 21 06:15:01.627 INFO kablam!   --> src/lib.rs:62:17
Sep 21 06:15:01.627 INFO kablam!    |
Sep 21 06:15:01.627 INFO kablam! 62 |             let mut stream = self.stream.as_mut().unwrap();
Sep 21 06:15:01.627 INFO kablam!    |                 ----^^^^^^
Sep 21 06:15:01.627 INFO kablam!    |                 |
Sep 21 06:15:01.627 INFO kablam!    |                 help: remove this `mut`
Sep 21 06:15:01.627 INFO kablam!    |
Sep 21 06:15:01.627 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 21 06:15:01.627 INFO kablam! 
Sep 21 06:15:01.631 INFO kablam! warning: variable does not need to be mutable
Sep 21 06:15:01.631 INFO kablam!    --> src/lib.rs:177:13
Sep 21 06:15:01.631 INFO kablam!     |
Sep 21 06:15:01.631 INFO kablam! 177 |         let mut synth = self.synth.as_mut().unwrap();
Sep 21 06:15:01.631 INFO kablam!     |             ----^^^^^
Sep 21 06:15:01.631 INFO kablam!     |             |
Sep 21 06:15:01.631 INFO kablam!     |             help: remove this `mut`
Sep 21 06:15:01.631 INFO kablam! 
Sep 21 06:15:01.659 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.35s
Sep 21 06:15:01.662 INFO kablam! su: No module specific data is present
Sep 21 06:15:02.239 INFO running `"docker" "rm" "-f" "c9705dcd1593ae830c00a623b0fd491f5291b714acf49cec7f51590a16e3646e"`
Sep 21 06:15:02.293 INFO blam! c9705dcd1593ae830c00a623b0fd491f5291b714acf49cec7f51590a16e3646e