Sep 10 09:28:46.049 INFO checking soundio-0.2.0 against try#3a2610c2a16575649896925631bf8cec4f4b1961 for pr-54090
Sep 10 09:28:46.049 INFO running: cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets
Sep 10 09:28:46.049 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-54090/try#3a2610c2a16575649896925631bf8cec4f4b1961:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-7/try#3a2610c2a16575649896925631bf8cec4f4b1961:/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 +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 09:28:46.264 INFO blam! a9348dbc7e72936830259732c671039c4149f0ac8a1a09c6610986751acc0fa4
Sep 10 09:28:46.266 INFO running `"docker" "start" "-a" "a9348dbc7e72936830259732c671039c4149f0ac8a1a09c6610986751acc0fa4"`
Sep 10 09:28:47.082 INFO kablam! usermod: no changes
Sep 10 09:28:47.122 INFO kablam! warning: An explicit [[example]] section is specified in Cargo.toml which currently
Sep 10 09:28:47.122 INFO kablam! disables Cargo from automatically inferring other example targets.
Sep 10 09:28:47.122 INFO kablam! This inference behavior will change in the Rust 2018 edition and the following
Sep 10 09:28:47.122 INFO kablam! files will be included as a example target:
Sep 10 09:28:47.122 INFO kablam! 
Sep 10 09:28:47.122 INFO kablam! * /source/examples/sine/main.rs
Sep 10 09:28:47.122 INFO kablam! 
Sep 10 09:28:47.122 INFO kablam! This is likely to break cargo build or cargo test as these files may not be
Sep 10 09:28:47.122 INFO kablam! ready to be compiled as a example target today. You can future-proof yourself
Sep 10 09:28:47.122 INFO kablam! and disable this warning by adding `autoexamples = false` to your [package]
Sep 10 09:28:47.122 INFO kablam! section. You may also move the files to a location where Cargo would not
Sep 10 09:28:47.122 INFO kablam! automatically infer them to be a target, such as in subfolders.
Sep 10 09:28:47.122 INFO kablam! 
Sep 10 09:28:47.122 INFO kablam! For more information on this warning you can consult
Sep 10 09:28:47.122 INFO kablam! https://github.com/rust-lang/cargo/issues/5330
Sep 10 09:28:47.138 INFO kablam!    Compiling libsoundio-sys v0.2.0
Sep 10 09:28:50.210 INFO kablam!     Checking soundio v0.2.0 (file:///source)
Sep 10 09:28:50.594 INFO kablam! warning: unused import: `super::super::backend::*`
Sep 10 09:28:50.594 INFO kablam!    --> src/context.rs:686:6
Sep 10 09:28:50.594 INFO kablam!     |
Sep 10 09:28:50.594 INFO kablam! 686 |     use super::super::backend::*;
Sep 10 09:28:50.594 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 09:28:50.594 INFO kablam!     |
Sep 10 09:28:50.594 INFO kablam!     = note: #[warn(unused_imports)] on by default
Sep 10 09:28:50.594 INFO kablam! 
Sep 10 09:28:50.938 INFO kablam! warning: variable does not need to be mutable
Sep 10 09:28:50.938 INFO kablam!    --> src/device.rs:335:7
Sep 10 09:28:50.938 INFO kablam!     |
Sep 10 09:28:50.938 INFO kablam! 335 |         let mut outstream = unsafe { raw::soundio_outstream_create(self.device) };
Sep 10 09:28:50.938 INFO kablam!     |             ----^^^^^^^^^
Sep 10 09:28:50.938 INFO kablam!     |             |
Sep 10 09:28:50.938 INFO kablam!     |             help: remove this `mut`
Sep 10 09:28:50.938 INFO kablam!     |
Sep 10 09:28:50.938 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 10 09:28:50.938 INFO kablam! 
Sep 10 09:28:50.941 INFO kablam! warning: variable does not need to be mutable
Sep 10 09:28:50.941 INFO kablam!    --> src/device.rs:439:7
Sep 10 09:28:50.941 INFO kablam!     |
Sep 10 09:28:50.941 INFO kablam! 439 |         let mut instream = unsafe { raw::soundio_instream_create(self.device) };
Sep 10 09:28:50.941 INFO kablam!     |             ----^^^^^^^^
Sep 10 09:28:50.941 INFO kablam!     |             |
Sep 10 09:28:50.941 INFO kablam!     |             help: remove this `mut`
Sep 10 09:28:50.941 INFO kablam! 
Sep 10 09:28:51.183 INFO kablam! warning: variable does not need to be mutable
Sep 10 09:28:51.183 INFO kablam!    --> src/device.rs:335:7
Sep 10 09:28:51.183 INFO kablam!     |
Sep 10 09:28:51.183 INFO kablam! 335 |         let mut outstream = unsafe { raw::soundio_outstream_create(self.device) };
Sep 10 09:28:51.183 INFO kablam!     |             ----^^^^^^^^^
Sep 10 09:28:51.183 INFO kablam!     |             |
Sep 10 09:28:51.183 INFO kablam!     |             help: remove this `mut`
Sep 10 09:28:51.183 INFO kablam!     |
Sep 10 09:28:51.183 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 10 09:28:51.183 INFO kablam! 
Sep 10 09:28:51.190 INFO kablam! warning: variable does not need to be mutable
Sep 10 09:28:51.190 INFO kablam!    --> src/device.rs:439:7
Sep 10 09:28:51.190 INFO kablam!     |
Sep 10 09:28:51.190 INFO kablam! 439 |         let mut instream = unsafe { raw::soundio_instream_create(self.device) };
Sep 10 09:28:51.190 INFO kablam!     |             ----^^^^^^^^
Sep 10 09:28:51.190 INFO kablam!     |             |
Sep 10 09:28:51.190 INFO kablam!     |             help: remove this `mut`
Sep 10 09:28:51.190 INFO kablam! 
Sep 10 09:28:51.454 INFO kablam! warning: unused variable: `watch`
Sep 10 09:28:51.455 INFO kablam!  --> examples/list_devices/main.rs:4:17
Sep 10 09:28:51.455 INFO kablam!   |
Sep 10 09:28:51.455 INFO kablam! 4 | fn list_devices(watch: bool, short_output: bool, backend: soundio::Backend) -> Result<(), String> {
Sep 10 09:28:51.455 INFO kablam!   |                 ^^^^^ help: consider using `_watch` instead
Sep 10 09:28:51.455 INFO kablam!   |
Sep 10 09:28:51.455 INFO kablam!   = note: #[warn(unused_variables)] on by default
Sep 10 09:28:51.455 INFO kablam! 
Sep 10 09:28:51.726 INFO kablam! warning: method is never used: `finished`
Sep 10 09:28:51.726 INFO kablam!   --> examples/player/main.rs:50:2
Sep 10 09:28:51.726 INFO kablam!    |
Sep 10 09:28:51.726 INFO kablam! 50 |     fn finished(&self) -> bool {
Sep 10 09:28:51.726 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 09:28:51.726 INFO kablam!    |
Sep 10 09:28:51.726 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 10 09:28:51.726 INFO kablam! 
Sep 10 09:28:51.738 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 4.62s
Sep 10 09:28:51.738 INFO kablam! su: No module specific data is present
Sep 10 09:28:52.445 INFO running `"docker" "rm" "-f" "a9348dbc7e72936830259732c671039c4149f0ac8a1a09c6610986751acc0fa4"`
Sep 10 09:28:52.554 INFO blam! a9348dbc7e72936830259732c671039c4149f0ac8a1a09c6610986751acc0fa4