Dec 12 07:12:22.814 INFO checking soundio-0.2.0 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 07:12:22.814 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-0/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +3a75e80557a103497cffbcab395a2f37061a77ea-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 12 07:12:23.043 INFO [stdout] b37af9a6acb2ddc06cba82e19a10b414f8e59f0c44ea90beee4ed3fa02f98974
Dec 12 07:12:23.048 INFO running `"docker" "start" "-a" "b37af9a6acb2ddc06cba82e19a10b414f8e59f0c44ea90beee4ed3fa02f98974"`
Dec 12 07:12:24.565 INFO [stderr] usermod: no changes
Dec 12 07:12:24.636 INFO [stderr] warning: An explicit [[example]] section is specified in Cargo.toml which currently
Dec 12 07:12:24.636 INFO [stderr] disables Cargo from automatically inferring other example targets.
Dec 12 07:12:24.636 INFO [stderr] This inference behavior will change in the Rust 2018 edition and the following
Dec 12 07:12:24.636 INFO [stderr] files will be included as a example target:
Dec 12 07:12:24.636 INFO [stderr] 
Dec 12 07:12:24.636 INFO [stderr] * /source/examples/sine/main.rs
Dec 12 07:12:24.636 INFO [stderr] 
Dec 12 07:12:24.636 INFO [stderr] This is likely to break cargo build or cargo test as these files may not be
Dec 12 07:12:24.636 INFO [stderr] ready to be compiled as a example target today. You can future-proof yourself
Dec 12 07:12:24.636 INFO [stderr] and disable this warning by adding `autoexamples = false` to your [package]
Dec 12 07:12:24.636 INFO [stderr] section. You may also move the files to a location where Cargo would not
Dec 12 07:12:24.636 INFO [stderr] automatically infer them to be a target, such as in subfolders.
Dec 12 07:12:24.636 INFO [stderr] 
Dec 12 07:12:24.636 INFO [stderr] For more information on this warning you can consult
Dec 12 07:12:24.636 INFO [stderr] https://github.com/rust-lang/cargo/issues/5330
Dec 12 07:12:24.688 INFO [stderr]    Compiling libsoundio-sys v0.2.0
Dec 12 07:12:29.228 INFO [stderr]     Checking soundio v0.2.0 (/source)
Dec 12 07:12:30.529 INFO [stderr] warning: unused import: `super::super::backend::*`
Dec 12 07:12:30.530 INFO [stderr]    --> src/context.rs:686:6
Dec 12 07:12:30.530 INFO [stderr]     |
Dec 12 07:12:30.530 INFO [stderr] 686 |     use super::super::backend::*;
Dec 12 07:12:30.530 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 07:12:30.545 INFO [stderr]     |
Dec 12 07:12:30.545 INFO [stderr]     = note: #[warn(unused_imports)] on by default
Dec 12 07:12:30.545 INFO [stderr] 
Dec 12 07:12:31.000 INFO [stderr] warning: variable does not need to be mutable
Dec 12 07:12:31.008 INFO [stderr]    --> src/device.rs:335:7
Dec 12 07:12:31.008 INFO [stderr]     |
Dec 12 07:12:31.009 INFO [stderr] 335 |         let mut outstream = unsafe { raw::soundio_outstream_create(self.device) };
Dec 12 07:12:31.009 INFO [stderr]     |             ----^^^^^^^^^
Dec 12 07:12:31.009 INFO [stderr]     |             |
Dec 12 07:12:31.010 INFO [stderr]     |             help: remove this `mut`
Dec 12 07:12:31.010 INFO [stderr]     |
Dec 12 07:12:31.010 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 12 07:12:31.010 INFO [stderr] 
Dec 12 07:12:31.011 INFO [stderr] warning: variable does not need to be mutable
Dec 12 07:12:31.011 INFO [stderr]    --> src/device.rs:439:7
Dec 12 07:12:31.011 INFO [stderr]     |
Dec 12 07:12:31.012 INFO [stderr] 439 |         let mut instream = unsafe { raw::soundio_instream_create(self.device) };
Dec 12 07:12:31.012 INFO [stderr]     |             ----^^^^^^^^
Dec 12 07:12:31.012 INFO [stderr]     |             |
Dec 12 07:12:31.013 INFO [stderr]     |             help: remove this `mut`
Dec 12 07:12:31.013 INFO [stderr] 
Dec 12 07:12:31.741 INFO [stderr] warning: variable does not need to be mutable
Dec 12 07:12:31.741 INFO [stderr]    --> src/device.rs:335:7
Dec 12 07:12:31.741 INFO [stderr]     |
Dec 12 07:12:31.742 INFO [stderr] 335 |         let mut outstream = unsafe { raw::soundio_outstream_create(self.device) };
Dec 12 07:12:31.742 INFO [stderr]     |             ----^^^^^^^^^
Dec 12 07:12:31.742 INFO [stderr]     |             |
Dec 12 07:12:31.743 INFO [stderr]     |             help: remove this `mut`
Dec 12 07:12:31.743 INFO [stderr]     |
Dec 12 07:12:31.743 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 12 07:12:31.744 INFO [stderr] 
Dec 12 07:12:31.760 INFO [stderr] warning: variable does not need to be mutable
Dec 12 07:12:31.761 INFO [stderr]    --> src/device.rs:439:7
Dec 12 07:12:31.761 INFO [stderr]     |
Dec 12 07:12:31.761 INFO [stderr] 439 |         let mut instream = unsafe { raw::soundio_instream_create(self.device) };
Dec 12 07:12:31.761 INFO [stderr]     |             ----^^^^^^^^
Dec 12 07:12:31.761 INFO [stderr]     |             |
Dec 12 07:12:31.761 INFO [stderr]     |             help: remove this `mut`
Dec 12 07:12:31.762 INFO [stderr] 
Dec 12 07:12:33.136 INFO [stderr] warning: unused variable: `watch`
Dec 12 07:12:33.136 INFO [stderr]  --> examples/list_devices/main.rs:4:17
Dec 12 07:12:33.136 INFO [stderr]   |
Dec 12 07:12:33.136 INFO [stderr] 4 | fn list_devices(watch: bool, short_output: bool, backend: soundio::Backend) -> Result<(), String> {
Dec 12 07:12:33.136 INFO [stderr]   |                 ^^^^^ help: consider using `_watch` instead
Dec 12 07:12:33.136 INFO [stderr]   |
Dec 12 07:12:33.136 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 12 07:12:33.136 INFO [stderr] 
Dec 12 07:12:33.149 INFO [stderr] warning: method is never used: `finished`
Dec 12 07:12:33.149 INFO [stderr]   --> examples/player/main.rs:50:2
Dec 12 07:12:33.149 INFO [stderr]    |
Dec 12 07:12:33.149 INFO [stderr] 50 |     fn finished(&self) -> bool {
Dec 12 07:12:33.149 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 07:12:33.149 INFO [stderr]    |
Dec 12 07:12:33.149 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 12 07:12:33.149 INFO [stderr] 
Dec 12 07:12:33.245 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.65s
Dec 12 07:12:33.253 INFO [stderr] su: No module specific data is present
Dec 12 07:12:34.176 INFO running `"docker" "inspect" "b37af9a6acb2ddc06cba82e19a10b414f8e59f0c44ea90beee4ed3fa02f98974"`
Dec 12 07:12:34.326 INFO running `"docker" "rm" "-f" "b37af9a6acb2ddc06cba82e19a10b414f8e59f0c44ea90beee4ed3fa02f98974"`
Dec 12 07:12:34.442 INFO [stdout] b37af9a6acb2ddc06cba82e19a10b414f8e59f0c44ea90beee4ed3fa02f98974