Sep 10 13:38:10.254 INFO checking ogg_vorbis_ref-0.0.1 against master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1 for pr-54090
Sep 10 13:38:10.254 INFO running: cargo +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets
Sep 10 13:38:10.254 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-54090/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-4/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/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 +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 13:38:10.426 INFO blam! 46f267a2083825e461ce8532a0f06c3c11638de4963bcd0443c7a16f35c5e803
Sep 10 13:38:10.426 INFO running `"docker" "start" "-a" "46f267a2083825e461ce8532a0f06c3c11638de4963bcd0443c7a16f35c5e803"`
Sep 10 13:38:11.123 INFO kablam! usermod: no changes
Sep 10 13:38:11.174 INFO kablam!    Compiling ogg-sys v0.0.9
Sep 10 13:38:11.178 INFO kablam!    Compiling vorbis-sys v0.0.8
Sep 10 13:38:15.271 INFO kablam!     Checking ogg_vorbis_ref v0.0.1 (file:///source)
Sep 10 13:38:15.603 INFO kablam! warning: variable does not need to be mutable
Sep 10 13:38:15.603 INFO kablam!   --> src/lib.rs:62:17
Sep 10 13:38:15.603 INFO kablam!    |
Sep 10 13:38:15.603 INFO kablam! 62 |             let mut stream = self.stream.as_mut().unwrap();
Sep 10 13:38:15.603 INFO kablam!    |                 ----^^^^^^
Sep 10 13:38:15.603 INFO kablam!    |                 |
Sep 10 13:38:15.603 INFO kablam!    |                 help: remove this `mut`
Sep 10 13:38:15.603 INFO kablam!    |
Sep 10 13:38:15.603 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 10 13:38:15.603 INFO kablam! 
Sep 10 13:38:15.609 INFO kablam! warning: variable does not need to be mutable
Sep 10 13:38:15.609 INFO kablam!    --> src/lib.rs:177:13
Sep 10 13:38:15.609 INFO kablam!     |
Sep 10 13:38:15.609 INFO kablam! 177 |         let mut synth = self.synth.as_mut().unwrap();
Sep 10 13:38:15.609 INFO kablam!     |             ----^^^^^
Sep 10 13:38:15.609 INFO kablam!     |             |
Sep 10 13:38:15.609 INFO kablam!     |             help: remove this `mut`
Sep 10 13:38:15.609 INFO kablam! 
Sep 10 13:38:15.635 INFO kablam! warning: variable does not need to be mutable
Sep 10 13:38:15.635 INFO kablam!   --> src/lib.rs:62:17
Sep 10 13:38:15.636 INFO kablam!    |
Sep 10 13:38:15.636 INFO kablam! 62 |             let mut stream = self.stream.as_mut().unwrap();
Sep 10 13:38:15.636 INFO kablam!    |                 ----^^^^^^
Sep 10 13:38:15.636 INFO kablam!    |                 |
Sep 10 13:38:15.636 INFO kablam!    |                 help: remove this `mut`
Sep 10 13:38:15.636 INFO kablam!    |
Sep 10 13:38:15.636 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 10 13:38:15.636 INFO kablam! 
Sep 10 13:38:15.641 INFO kablam! warning: variable does not need to be mutable
Sep 10 13:38:15.641 INFO kablam!    --> src/lib.rs:177:13
Sep 10 13:38:15.641 INFO kablam!     |
Sep 10 13:38:15.641 INFO kablam! 177 |         let mut synth = self.synth.as_mut().unwrap();
Sep 10 13:38:15.641 INFO kablam!     |             ----^^^^^
Sep 10 13:38:15.641 INFO kablam!     |             |
Sep 10 13:38:15.641 INFO kablam!     |             help: remove this `mut`
Sep 10 13:38:15.641 INFO kablam! 
Sep 10 13:38:15.663 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 4.51s
Sep 10 13:38:15.666 INFO kablam! su: No module specific data is present
Sep 10 13:38:16.451 INFO running `"docker" "rm" "-f" "46f267a2083825e461ce8532a0f06c3c11638de4963bcd0443c7a16f35c5e803"`
Sep 10 13:38:16.550 INFO blam! 46f267a2083825e461ce8532a0f06c3c11638de4963bcd0443c7a16f35c5e803