[INFO] cloning repository https://github.com/matteolutz/picomm-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/matteolutz/picomm-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatteolutz%2Fpicomm-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatteolutz%2Fpicomm-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 38b067242971ccb1b883e6eb56811f9b7f063d14
[INFO] testing matteolutz/picomm-rs against 1.99.0-beta.1+cargoflags=--release for beta-release-1.99-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatteolutz%2Fpicomm-rs" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/matteolutz/picomm-rs
[INFO] finished tweaking git repo https://github.com/matteolutz/picomm-rs
[INFO] tweaked toml for git repo https://github.com/matteolutz/picomm-rs written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/matteolutz/picomm-rs on toolchain 1.99.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/matteolutz/picomm-rs 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" "+1.99.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 51fbd203aa657da188506a23a6ce98f7ee3d77c5f276699a62c43c32c4564ef2
[INFO] running `Command { std: "docker" "start" "51fbd203aa657da188506a23a6ce98f7ee3d77c5f276699a62c43c32c4564ef2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51fbd203aa657da188506a23a6ce98f7ee3d77c5f276699a62c43c32c4564ef2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "51fbd203aa657da188506a23a6ce98f7ee3d77c5f276699a62c43c32c4564ef2" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51fbd203aa657da188506a23a6ce98f7ee3d77c5f276699a62c43c32c4564ef2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "51fbd203aa657da188506a23a6ce98f7ee3d77c5f276699a62c43c32c4564ef2" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
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[INFO] [stderr]    Compiling hashbrown v0.15.4
[INFO] [stderr]    Compiling winnow v0.7.12
[INFO] [stderr]    Compiling target-lexicon v0.13.2
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling version-compare v0.2.0
[INFO] [stderr]    Compiling pkg-config v0.3.32
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling slab v0.4.10
[INFO] [stderr]    Compiling pin-project-lite v0.2.16
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling bitflags v2.9.1
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling kstring v2.0.2
[INFO] [stderr]    Compiling option-operations v0.5.0
[INFO] [stderr]    Compiling muldiv v1.0.1
[INFO] [stderr]    Compiling indexmap v2.10.0
[INFO] [stderr]    Compiling cfg-expr v0.20.1
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
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[INFO] [stderr]    Compiling serde_spanned v0.6.9
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[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling toml v0.8.23
[INFO] [stderr]    Compiling proc-macro-crate v3.3.0
[INFO] [stderr]    Compiling system-deps v7.0.5
[INFO] [stderr]    Compiling glib-macros v0.21.0
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling glib-sys v0.21.0
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[INFO] [stderr]    Compiling gio-sys v0.21.0
[INFO] [stderr]    Compiling gstreamer-sys v0.24.0
[INFO] [stderr]    Compiling glib v0.21.0
[INFO] [stderr]    Compiling gstreamer v0.24.0
[INFO] [stderr]    Compiling picomm-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `GstBinExt` and `glib::object::ObjectExt`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     glib::object::ObjectExt,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 4 |     prelude::{ElementExt, GstBinExt},
[INFO] [stdout]   |                           ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `remote_volume_handles`
[INFO] [stdout]   --> src/main.rs:33:25
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let (pipeline, Some(remote_volume_handles), Some(local_volume_handle)) =
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_remote_volume_handles`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `local_volume_handle`
[INFO] [stdout]   --> src/main.rs:33:54
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let (pipeline, Some(remote_volume_handles), Some(local_volume_handle)) =
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_local_volume_handle`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CHANNEL_BUTTONS` is never used
[INFO] [stdout]   --> src/main.rs:24:7
[INFO] [stdout]    |
[INFO] [stdout] 24 | const CHANNEL_BUTTONS: [u8; N_CHANNELS] = [17, 27, 22, 23];
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Channel4` is never constructed
[INFO] [stdout]  --> src/channel.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum Channel {
[INFO] [stdout]   |          ------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 9 |     Channel4,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Channel` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Transmitter` is never constructed
[INFO] [stdout]   --> src/pipeline.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub enum PicommPipeline {
[INFO] [stdout]    |          -------------- variant in this enum
[INFO] [stdout] 27 |     Receiver([Channel; NUM_CHANNELS]),
[INFO] [stdout] 28 |     Transmitter(Channel),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PicommPipeline` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `inner` is never read
[INFO] [stdout]  --> src/volume.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct VolumeHandle {
[INFO] [stdout]   |            ------------ field in this struct
[INFO] [stdout] 8 |     inner: WeakRef<gst::Element>,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `VolumeHandle` 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_volume`, `set_volume`, `mute`, and `unmute` are never used
[INFO] [stdout]   --> src/volume.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl VolumeHandle {
[INFO] [stdout]    | ----------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub fn get_volume(&self) -> Option<f64> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn set_volume(&mut self, volume: f64) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn mute(&self) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     pub fn unmute(&self) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 20.10s
[INFO] running `Command { std: "docker" "inspect" "51fbd203aa657da188506a23a6ce98f7ee3d77c5f276699a62c43c32c4564ef2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "51fbd203aa657da188506a23a6ce98f7ee3d77c5f276699a62c43c32c4564ef2" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling picomm-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `GstBinExt` and `glib::object::ObjectExt`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     glib::object::ObjectExt,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 4 |     prelude::{ElementExt, GstBinExt},
[INFO] [stdout]   |                           ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `remote_volume_handles`
[INFO] [stdout]   --> src/main.rs:33:25
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let (pipeline, Some(remote_volume_handles), Some(local_volume_handle)) =
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_remote_volume_handles`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `local_volume_handle`
[INFO] [stdout]   --> src/main.rs:33:54
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let (pipeline, Some(remote_volume_handles), Some(local_volume_handle)) =
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_local_volume_handle`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CHANNEL_BUTTONS` is never used
[INFO] [stdout]   --> src/main.rs:24:7
[INFO] [stdout]    |
[INFO] [stdout] 24 | const CHANNEL_BUTTONS: [u8; N_CHANNELS] = [17, 27, 22, 23];
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Channel4` is never constructed
[INFO] [stdout]  --> src/channel.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum Channel {
[INFO] [stdout]   |          ------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 9 |     Channel4,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Channel` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Transmitter` is never constructed
[INFO] [stdout]   --> src/pipeline.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub enum PicommPipeline {
[INFO] [stdout]    |          -------------- variant in this enum
[INFO] [stdout] 27 |     Receiver([Channel; NUM_CHANNELS]),
[INFO] [stdout] 28 |     Transmitter(Channel),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PicommPipeline` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `inner` is never read
[INFO] [stdout]  --> src/volume.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct VolumeHandle {
[INFO] [stdout]   |            ------------ field in this struct
[INFO] [stdout] 8 |     inner: WeakRef<gst::Element>,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `VolumeHandle` 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_volume`, `set_volume`, `mute`, and `unmute` are never used
[INFO] [stdout]   --> src/volume.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl VolumeHandle {
[INFO] [stdout]    | ----------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub fn get_volume(&self) -> Option<f64> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn set_volume(&mut self, volume: f64) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn mute(&self) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     pub fn unmute(&self) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "51fbd203aa657da188506a23a6ce98f7ee3d77c5f276699a62c43c32c4564ef2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "51fbd203aa657da188506a23a6ce98f7ee3d77c5f276699a62c43c32c4564ef2" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `GstBinExt` and `glib::object::ObjectExt`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     glib::object::ObjectExt,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 4 |     prelude::{ElementExt, GstBinExt},
[INFO] [stderr]   |                           ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `remote_volume_handles`
[INFO] [stderr]   --> src/main.rs:33:25
[INFO] [stderr]    |
[INFO] [stderr] 33 |     let (pipeline, Some(remote_volume_handles), Some(local_volume_handle)) =
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_remote_volume_handles`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `local_volume_handle`
[INFO] [stderr]   --> src/main.rs:33:54
[INFO] [stderr]    |
[INFO] [stderr] 33 |     let (pipeline, Some(remote_volume_handles), Some(local_volume_handle)) =
[INFO] [stderr]    |                                                      ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_local_volume_handle`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `CHANNEL_BUTTONS` is never used
[INFO] [stderr]   --> src/main.rs:24:7
[INFO] [stderr]    |
[INFO] [stderr] 24 | const CHANNEL_BUTTONS: [u8; N_CHANNELS] = [17, 27, 22, 23];
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `Channel4` is never constructed
[INFO] [stderr]  --> src/channel.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub enum Channel {
[INFO] [stderr]   |          ------- variant in this enum
[INFO] [stderr] ...
[INFO] [stderr] 9 |     Channel4,
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Channel` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: variant `Transmitter` is never constructed
[INFO] [stderr]   --> src/pipeline.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 26 | pub enum PicommPipeline {
[INFO] [stderr]    |          -------------- variant in this enum
[INFO] [stderr] 27 |     Receiver([Channel; NUM_CHANNELS]),
[INFO] [stderr] 28 |     Transmitter(Channel),
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `PicommPipeline` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `inner` is never read
[INFO] [stderr]  --> src/volume.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub struct VolumeHandle {
[INFO] [stderr]   |            ------------ field in this struct
[INFO] [stderr] 8 |     inner: WeakRef<gst::Element>,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `VolumeHandle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: methods `get_volume`, `set_volume`, `mute`, and `unmute` are never used
[INFO] [stderr]   --> src/volume.rs:18:12
[INFO] [stderr]    |
[INFO] [stderr] 11 | impl VolumeHandle {
[INFO] [stderr]    | ----------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 18 |     pub fn get_volume(&self) -> Option<f64> {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 24 |     pub fn set_volume(&mut self, volume: f64) {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 30 |     pub fn mute(&self) {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 36 |     pub fn unmute(&self) {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `picomm-rs` (bin "picomm-rs" test) generated 8 warnings (run `cargo fix --bin "picomm-rs" -p picomm-rs --tests` to apply 3 suggestions)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/release/deps/picomm_rs-129411aba18b973d)
[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" "51fbd203aa657da188506a23a6ce98f7ee3d77c5f276699a62c43c32c4564ef2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51fbd203aa657da188506a23a6ce98f7ee3d77c5f276699a62c43c32c4564ef2", kill_on_drop: false }`
[INFO] [stdout] 51fbd203aa657da188506a23a6ce98f7ee3d77c5f276699a62c43c32c4564ef2