[INFO] cloning repository https://github.com/SoxPopuli/volume-icon
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SoxPopuli/volume-icon" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSoxPopuli%2Fvolume-icon", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSoxPopuli%2Fvolume-icon'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7b2ab3d586b366c94944dcf10ce6bec66d58b463
[INFO] testing SoxPopuli/volume-icon against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSoxPopuli%2Fvolume-icon" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/SoxPopuli/volume-icon
[INFO] finished tweaking git repo https://github.com/SoxPopuli/volume-icon
[INFO] tweaked toml for git repo https://github.com/SoxPopuli/volume-icon written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/SoxPopuli/volume-icon on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/SoxPopuli/volume-icon already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 977991c0a220c742788056c6b5caaa75ac2d6e942b529e777ff00e7bbb2390e6
[INFO] running `Command { std: "docker" "start" "-a" "977991c0a220c742788056c6b5caaa75ac2d6e942b529e777ff00e7bbb2390e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "977991c0a220c742788056c6b5caaa75ac2d6e942b529e777ff00e7bbb2390e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "977991c0a220c742788056c6b5caaa75ac2d6e942b529e777ff00e7bbb2390e6", kill_on_drop: false }`
[INFO] [stdout] 977991c0a220c742788056c6b5caaa75ac2d6e942b529e777ff00e7bbb2390e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0848f9dfbf43a1c2e3e1a4cf4ca6a720e69b3277b1143cf4492419d0a9922989
[INFO] running `Command { std: "docker" "start" "-a" "0848f9dfbf43a1c2e3e1a4cf4ca6a720e69b3277b1143cf4492419d0a9922989", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.16
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling smallvec v1.14.0
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling libpulse-sys v1.21.0
[INFO] [stderr]    Compiling bytes v1.10.0
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling quick-xml v0.30.0
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling socket2 v0.5.8
[INFO] [stderr]    Compiling mio v1.0.3
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling xcb v1.5.0
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling libpulse-binding v2.28.2
[INFO] [stderr]    Compiling tokio v1.43.0
[INFO] [stderr]    Compiling tokio-stream v0.1.17
[INFO] [stderr]    Compiling audio v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused macro definition: `get_from_introspect`
[INFO] [stdout]   --> src/audio/mod.rs:74:14
[INFO] [stdout]    |
[INFO] [stdout] 74 | macro_rules! get_from_introspect {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mode`
[INFO] [stdout]    --> src/audio/mod.rs:144:13
[INFO] [stdout]     |
[INFO] [stdout] 144 |         let mode = pulse::proplist::UpdateMode::Replace;
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_mode`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/audio/mod.rs:145:13
[INFO] [stdout]     |
[INFO] [stdout] 145 |         let data = [&Info {
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_windows` is never used
[INFO] [stdout]  --> src/main.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn get_windows() -> xcb::Result<()> {
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `application`, `name`, and `volume` are never read
[INFO] [stdout]   --> src/audio/mod.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct Playback {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 21 |     pub application: Option<String>,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 22 |     pub name: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 23 |     pub volume: Volume,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Playback` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_input_volumes`, `get_playback_volumes`, and `get_system_volume` are never used
[INFO] [stdout]    --> src/audio/mod.rs:120:12
[INFO] [stdout]     |
[INFO] [stdout]  98 | impl State {
[INFO] [stdout]     | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 120 |     pub fn get_input_volumes(&self) -> Vec<AudioSource> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 133 |     pub fn get_playback_volumes(&self) -> Vec<Playback> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 141 |     pub fn get_system_volume(&self) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `volume` are never read
[INFO] [stdout]    --> src/audio/mod.rs:175:5
[INFO] [stdout]     |
[INFO] [stdout] 174 | pub struct AudioSource {
[INFO] [stdout]     |            ----------- fields in this struct
[INFO] [stdout] 175 |     name: String,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 176 |     volume: Volume,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `AudioSource` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `channel_map` is never read
[INFO] [stdout]   --> src/audio/volume.rs:19:16
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct Volume {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 18 |     pub(crate) volume: ChannelVolumes,
[INFO] [stdout] 19 |     pub(crate) channel_map: channelmap::Map,
[INFO] [stdout]    |                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 32.57s
[INFO] running `Command { std: "docker" "inspect" "0848f9dfbf43a1c2e3e1a4cf4ca6a720e69b3277b1143cf4492419d0a9922989", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0848f9dfbf43a1c2e3e1a4cf4ca6a720e69b3277b1143cf4492419d0a9922989", kill_on_drop: false }`
[INFO] [stdout] 0848f9dfbf43a1c2e3e1a4cf4ca6a720e69b3277b1143cf4492419d0a9922989
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c5291cc4b4c18b105f09b8d1bfdfcfc9df0a164b8fac5742e8313149f3cc13f
[INFO] running `Command { std: "docker" "start" "-a" "6c5291cc4b4c18b105f09b8d1bfdfcfc9df0a164b8fac5742e8313149f3cc13f", kill_on_drop: false }`
[INFO] [stderr]    Compiling audio v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused macro definition: `get_from_introspect`
[INFO] [stdout]   --> src/audio/mod.rs:74:14
[INFO] [stdout]    |
[INFO] [stdout] 74 | macro_rules! get_from_introspect {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mode`
[INFO] [stdout]    --> src/audio/mod.rs:144:13
[INFO] [stdout]     |
[INFO] [stdout] 144 |         let mode = pulse::proplist::UpdateMode::Replace;
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_mode`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/audio/mod.rs:145:13
[INFO] [stdout]     |
[INFO] [stdout] 145 |         let data = [&Info {
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_windows` is never used
[INFO] [stdout]  --> src/main.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn get_windows() -> xcb::Result<()> {
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `application`, `name`, and `volume` are never read
[INFO] [stdout]   --> src/audio/mod.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct Playback {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 21 |     pub application: Option<String>,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 22 |     pub name: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 23 |     pub volume: Volume,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Playback` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_input_volumes`, `get_playback_volumes`, and `get_system_volume` are never used
[INFO] [stdout]    --> src/audio/mod.rs:120:12
[INFO] [stdout]     |
[INFO] [stdout]  98 | impl State {
[INFO] [stdout]     | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 120 |     pub fn get_input_volumes(&self) -> Vec<AudioSource> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 133 |     pub fn get_playback_volumes(&self) -> Vec<Playback> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 141 |     pub fn get_system_volume(&self) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `volume` are never read
[INFO] [stdout]    --> src/audio/mod.rs:175:5
[INFO] [stdout]     |
[INFO] [stdout] 174 | pub struct AudioSource {
[INFO] [stdout]     |            ----------- fields in this struct
[INFO] [stdout] 175 |     name: String,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 176 |     volume: Volume,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `AudioSource` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `channel_map` is never read
[INFO] [stdout]   --> src/audio/volume.rs:19:16
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct Volume {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 18 |     pub(crate) volume: ChannelVolumes,
[INFO] [stdout] 19 |     pub(crate) channel_map: channelmap::Map,
[INFO] [stdout]    |                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "6c5291cc4b4c18b105f09b8d1bfdfcfc9df0a164b8fac5742e8313149f3cc13f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c5291cc4b4c18b105f09b8d1bfdfcfc9df0a164b8fac5742e8313149f3cc13f", kill_on_drop: false }`
[INFO] [stdout] 6c5291cc4b4c18b105f09b8d1bfdfcfc9df0a164b8fac5742e8313149f3cc13f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 53e2cacf0099b1fbf06542891259d2d861e0dcd0f6a22eedd396c607ef5acebf
[INFO] running `Command { std: "docker" "start" "-a" "53e2cacf0099b1fbf06542891259d2d861e0dcd0f6a22eedd396c607ef5acebf", kill_on_drop: false }`
[INFO] [stderr] warning: unused macro definition: `get_from_introspect`
[INFO] [stderr]   --> src/audio/mod.rs:74:14
[INFO] [stderr]    |
[INFO] [stderr] 74 | macro_rules! get_from_introspect {
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_macros)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `mode`
[INFO] [stderr]    --> src/audio/mod.rs:144:13
[INFO] [stderr]     |
[INFO] [stderr] 144 |         let mode = pulse::proplist::UpdateMode::Replace;
[INFO] [stderr]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_mode`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `data`
[INFO] [stderr]    --> src/audio/mod.rs:145:13
[INFO] [stderr]     |
[INFO] [stderr] 145 |         let data = [&Info {
[INFO] [stderr]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stderr] 
[INFO] [stderr] warning: function `get_windows` is never used
[INFO] [stderr]  --> src/main.rs:6:4
[INFO] [stderr]   |
[INFO] [stderr] 6 | fn get_windows() -> xcb::Result<()> {
[INFO] [stderr]   |    ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `application`, `name`, and `volume` are never read
[INFO] [stderr]   --> src/audio/mod.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub struct Playback {
[INFO] [stderr]    |            -------- fields in this struct
[INFO] [stderr] 21 |     pub application: Option<String>,
[INFO] [stderr]    |         ^^^^^^^^^^^
[INFO] [stderr] 22 |     pub name: String,
[INFO] [stderr]    |         ^^^^
[INFO] [stderr] 23 |     pub volume: Volume,
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Playback` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: methods `get_input_volumes`, `get_playback_volumes`, and `get_system_volume` are never used
[INFO] [stderr]    --> src/audio/mod.rs:120:12
[INFO] [stderr]     |
[INFO] [stderr]  98 | impl State {
[INFO] [stderr]     | ---------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 120 |     pub fn get_input_volumes(&self) -> Vec<AudioSource> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 133 |     pub fn get_playback_volumes(&self) -> Vec<Playback> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 141 |     pub fn get_system_volume(&self) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `name` and `volume` are never read
[INFO] [stderr]    --> src/audio/mod.rs:175:5
[INFO] [stderr]     |
[INFO] [stderr] 174 | pub struct AudioSource {
[INFO] [stderr]     |            ----------- fields in this struct
[INFO] [stderr] 175 |     name: String,
[INFO] [stderr]     |     ^^^^
[INFO] [stderr] 176 |     volume: Volume,
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `AudioSource` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `channel_map` is never read
[INFO] [stderr]   --> src/audio/volume.rs:19:16
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub struct Volume {
[INFO] [stderr]    |            ------ field in this struct
[INFO] [stderr] 18 |     pub(crate) volume: ChannelVolumes,
[INFO] [stderr] 19 |     pub(crate) channel_map: channelmap::Map,
[INFO] [stderr]    |                ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `audio` (bin "audio" test) generated 8 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/audio-a5db6764e4c79fae)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "53e2cacf0099b1fbf06542891259d2d861e0dcd0f6a22eedd396c607ef5acebf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53e2cacf0099b1fbf06542891259d2d861e0dcd0f6a22eedd396c607ef5acebf", kill_on_drop: false }`
[INFO] [stdout] 53e2cacf0099b1fbf06542891259d2d861e0dcd0f6a22eedd396c607ef5acebf