Nov 30 15:11:56.650 INFO checking soundio-0.2.0 against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 15:11:56.650 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-6/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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"`
Nov 30 15:11:57.030 INFO [stdout] cd219ccf1b5daac7312848120f7520eb47d8055c3749d2939bb7621a6a8477c7
Nov 30 15:11:57.033 INFO running `"docker" "start" "-a" "cd219ccf1b5daac7312848120f7520eb47d8055c3749d2939bb7621a6a8477c7"`
Nov 30 15:11:58.160 INFO [stderr] usermod: no changes
Nov 30 15:11:58.203 INFO [stderr] warning: An explicit [[example]] section is specified in Cargo.toml which currently
Nov 30 15:11:58.203 INFO [stderr] disables Cargo from automatically inferring other example targets.
Nov 30 15:11:58.203 INFO [stderr] This inference behavior will change in the Rust 2018 edition and the following
Nov 30 15:11:58.203 INFO [stderr] files will be included as a example target:
Nov 30 15:11:58.203 INFO [stderr] 
Nov 30 15:11:58.203 INFO [stderr] * /source/examples/sine/main.rs
Nov 30 15:11:58.203 INFO [stderr] 
Nov 30 15:11:58.203 INFO [stderr] This is likely to break cargo build or cargo test as these files may not be
Nov 30 15:11:58.203 INFO [stderr] ready to be compiled as a example target today. You can future-proof yourself
Nov 30 15:11:58.203 INFO [stderr] and disable this warning by adding `autoexamples = false` to your [package]
Nov 30 15:11:58.203 INFO [stderr] section. You may also move the files to a location where Cargo would not
Nov 30 15:11:58.203 INFO [stderr] automatically infer them to be a target, such as in subfolders.
Nov 30 15:11:58.203 INFO [stderr] 
Nov 30 15:11:58.203 INFO [stderr] For more information on this warning you can consult
Nov 30 15:11:58.203 INFO [stderr] https://github.com/rust-lang/cargo/issues/5330
Nov 30 15:11:58.224 INFO [stderr]    Compiling libsoundio-sys v0.2.0
Nov 30 15:12:03.392 INFO [stderr]     Checking soundio v0.2.0 (/source)
Nov 30 15:12:04.772 INFO [stderr] warning: unused import: `super::super::backend::*`
Nov 30 15:12:04.772 INFO [stderr]    --> src/context.rs:686:6
Nov 30 15:12:04.772 INFO [stderr]     |
Nov 30 15:12:04.772 INFO [stderr] 686 |     use super::super::backend::*;
Nov 30 15:12:04.772 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 15:12:04.772 INFO [stderr]     |
Nov 30 15:12:04.772 INFO [stderr]     = note: #[warn(unused_imports)] on by default
Nov 30 15:12:04.772 INFO [stderr] 
Nov 30 15:12:05.024 INFO [stderr] warning: variable does not need to be mutable
Nov 30 15:12:05.024 INFO [stderr]    --> src/device.rs:335:7
Nov 30 15:12:05.024 INFO [stderr]     |
Nov 30 15:12:05.024 INFO [stderr] 335 |         let mut outstream = unsafe { raw::soundio_outstream_create(self.device) };
Nov 30 15:12:05.024 INFO [stderr]     |             ----^^^^^^^^^
Nov 30 15:12:05.024 INFO [stderr]     |             |
Nov 30 15:12:05.024 INFO [stderr]     |             help: remove this `mut`
Nov 30 15:12:05.024 INFO [stderr]     |
Nov 30 15:12:05.024 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 30 15:12:05.024 INFO [stderr] 
Nov 30 15:12:05.032 INFO [stderr] warning: variable does not need to be mutable
Nov 30 15:12:05.032 INFO [stderr]    --> src/device.rs:439:7
Nov 30 15:12:05.032 INFO [stderr]     |
Nov 30 15:12:05.032 INFO [stderr] 439 |         let mut instream = unsafe { raw::soundio_instream_create(self.device) };
Nov 30 15:12:05.032 INFO [stderr]     |             ----^^^^^^^^
Nov 30 15:12:05.032 INFO [stderr]     |             |
Nov 30 15:12:05.032 INFO [stderr]     |             help: remove this `mut`
Nov 30 15:12:05.032 INFO [stderr] 
Nov 30 15:12:05.446 INFO [stderr] warning: variable does not need to be mutable
Nov 30 15:12:05.447 INFO [stderr]    --> src/device.rs:335:7
Nov 30 15:12:05.447 INFO [stderr]     |
Nov 30 15:12:05.447 INFO [stderr] 335 |         let mut outstream = unsafe { raw::soundio_outstream_create(self.device) };
Nov 30 15:12:05.447 INFO [stderr]     |             ----^^^^^^^^^
Nov 30 15:12:05.447 INFO [stderr]     |             |
Nov 30 15:12:05.447 INFO [stderr]     |             help: remove this `mut`
Nov 30 15:12:05.447 INFO [stderr]     |
Nov 30 15:12:05.447 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 30 15:12:05.447 INFO [stderr] 
Nov 30 15:12:05.452 INFO [stderr] warning: variable does not need to be mutable
Nov 30 15:12:05.452 INFO [stderr]    --> src/device.rs:439:7
Nov 30 15:12:05.452 INFO [stderr]     |
Nov 30 15:12:05.452 INFO [stderr] 439 |         let mut instream = unsafe { raw::soundio_instream_create(self.device) };
Nov 30 15:12:05.452 INFO [stderr]     |             ----^^^^^^^^
Nov 30 15:12:05.452 INFO [stderr]     |             |
Nov 30 15:12:05.452 INFO [stderr]     |             help: remove this `mut`
Nov 30 15:12:05.464 INFO [stderr] 
Nov 30 15:12:06.719 INFO [stderr] warning: method is never used: `finished`
Nov 30 15:12:06.719 INFO [stderr]   --> examples/player/main.rs:50:2
Nov 30 15:12:06.719 INFO [stderr]    |
Nov 30 15:12:06.719 INFO [stderr] 50 |     fn finished(&self) -> bool {
Nov 30 15:12:06.719 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 15:12:06.719 INFO [stderr]    |
Nov 30 15:12:06.719 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 30 15:12:06.719 INFO [stderr] 
Nov 30 15:12:06.888 INFO [stderr] warning: unused variable: `watch`
Nov 30 15:12:06.888 INFO [stderr]  --> examples/list_devices/main.rs:4:17
Nov 30 15:12:06.888 INFO [stderr]   |
Nov 30 15:12:06.888 INFO [stderr] 4 | fn list_devices(watch: bool, short_output: bool, backend: soundio::Backend) -> Result<(), String> {
Nov 30 15:12:06.888 INFO [stderr]   |                 ^^^^^ help: consider using `_watch` instead
Nov 30 15:12:06.888 INFO [stderr]   |
Nov 30 15:12:06.888 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Nov 30 15:12:06.888 INFO [stderr] 
Nov 30 15:12:06.936 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.74s
Nov 30 15:12:06.936 INFO [stderr] su: No module specific data is present
Nov 30 15:12:07.666 INFO running `"docker" "inspect" "cd219ccf1b5daac7312848120f7520eb47d8055c3749d2939bb7621a6a8477c7"`
Nov 30 15:12:07.898 INFO running `"docker" "rm" "-f" "cd219ccf1b5daac7312848120f7520eb47d8055c3749d2939bb7621a6a8477c7"`
Nov 30 15:12:08.144 INFO [stdout] cd219ccf1b5daac7312848120f7520eb47d8055c3749d2939bb7621a6a8477c7