[INFO] cloning repository https://github.com/davidbrowning/oscilloscope
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/davidbrowning/oscilloscope" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidbrowning%2Foscilloscope", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidbrowning%2Foscilloscope'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d33d29058072e6523c8d3e9150f6d5accc81ce8b
[INFO] testing davidbrowning/oscilloscope/d33d29058072e6523c8d3e9150f6d5accc81ce8b against master#1ef7943ee607160a564655b6596f83670ef95df5 for pr-146098-6
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidbrowning%2Foscilloscope" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/davidbrowning/oscilloscope
[INFO] finished tweaking git repo https://github.com/davidbrowning/oscilloscope
[INFO] tweaked toml for git repo https://github.com/davidbrowning/oscilloscope written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/davidbrowning/oscilloscope on toolchain 1ef7943ee607160a564655b6596f83670ef95df5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/davidbrowning/oscilloscope 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" "+1ef7943ee607160a564655b6596f83670ef95df5" "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-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "06209317c77c129d7927ed615f8334b9ca4b1c364bc23da413b769f26375bec8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06209317c77c129d7927ed615f8334b9ca4b1c364bc23da413b769f26375bec8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06209317c77c129d7927ed615f8334b9ca4b1c364bc23da413b769f26375bec8", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c5c862fb9f09438242fa2ad57b286606b3273444ae8dc4e9e4650ce359e7074d
[INFO] running `Command { std: "docker" "start" "-a" "c5c862fb9f09438242fa2ad57b286606b3273444ae8dc4e9e4650ce359e7074d", kill_on_drop: false }`
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[INFO] [stderr]    Compiling egui_plot v0.27.2
[INFO] [stderr]    Compiling sctk-adwaita v0.8.3
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[INFO] [stderr]    Compiling atspi-common v0.3.0
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[INFO] [stderr]    Compiling atspi-connection v0.3.0
[INFO] [stderr]    Compiling atspi v0.19.0
[INFO] [stderr]    Compiling accesskit_unix v0.6.2
[INFO] [stderr]    Compiling accesskit_winit v0.16.1
[INFO] [stderr]    Compiling egui-winit v0.27.2
[INFO] [stderr]    Compiling eframe v0.27.2
[INFO] [stderr]    Compiling oscilloscope v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |     let mut sys_stream = build_audio_stream(AudioSource::SystemOutput, sys_tx.clone())?;
[INFO] [stdout]    |         ----^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |     let mut mic_stream = build_audio_stream(AudioSource::Microphone, mic_tx.clone())?;
[INFO] [stdout]    |         ----^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `source` is never read
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct AudioStream {
[INFO] [stdout]    |        ----------- field in this struct
[INFO] [stdout] 13 |     stream: cpal::Stream,
[INFO] [stdout] 14 |     source: AudioSource,
[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 `sys_stream`, `mic_stream`, `sys_tx`, and `mic_tx` are never read
[INFO] [stdout]    --> src/main.rs:100:5
[INFO] [stdout]     |
[INFO] [stdout]  95 | struct MyApp {
[INFO] [stdout]     |        ----- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 100 |     sys_stream: AudioStream,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 101 |     mic_stream: AudioStream,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 102 |     sys_tx: Sender<f32>,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 103 |     mic_tx: Sender<f32>,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 17s
[INFO] running `Command { std: "docker" "inspect" "c5c862fb9f09438242fa2ad57b286606b3273444ae8dc4e9e4650ce359e7074d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5c862fb9f09438242fa2ad57b286606b3273444ae8dc4e9e4650ce359e7074d", kill_on_drop: false }`
[INFO] [stdout] c5c862fb9f09438242fa2ad57b286606b3273444ae8dc4e9e4650ce359e7074d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a081d9c28e4490c490bbbf22c1785db52ae751dcc5c94df92fe55064bf2fdd5a
[INFO] running `Command { std: "docker" "start" "-a" "a081d9c28e4490c490bbbf22c1785db52ae751dcc5c94df92fe55064bf2fdd5a", kill_on_drop: false }`
[INFO] [stderr]    Compiling oscilloscope v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |     let mut sys_stream = build_audio_stream(AudioSource::SystemOutput, sys_tx.clone())?;
[INFO] [stdout]    |         ----^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |     let mut mic_stream = build_audio_stream(AudioSource::Microphone, mic_tx.clone())?;
[INFO] [stdout]    |         ----^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `source` is never read
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct AudioStream {
[INFO] [stdout]    |        ----------- field in this struct
[INFO] [stdout] 13 |     stream: cpal::Stream,
[INFO] [stdout] 14 |     source: AudioSource,
[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 `sys_stream`, `mic_stream`, `sys_tx`, and `mic_tx` are never read
[INFO] [stdout]    --> src/main.rs:100:5
[INFO] [stdout]     |
[INFO] [stdout]  95 | struct MyApp {
[INFO] [stdout]     |        ----- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 100 |     sys_stream: AudioStream,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 101 |     mic_stream: AudioStream,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 102 |     sys_tx: Sender<f32>,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 103 |     mic_tx: Sender<f32>,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.17s
[INFO] running `Command { std: "docker" "inspect" "a081d9c28e4490c490bbbf22c1785db52ae751dcc5c94df92fe55064bf2fdd5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a081d9c28e4490c490bbbf22c1785db52ae751dcc5c94df92fe55064bf2fdd5a", kill_on_drop: false }`
[INFO] [stdout] a081d9c28e4490c490bbbf22c1785db52ae751dcc5c94df92fe55064bf2fdd5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b36fb1376d36239b83e476723d341102e4710ca5e558a5f663b48a994b25b078
[INFO] running `Command { std: "docker" "start" "-a" "b36fb1376d36239b83e476723d341102e4710ca5e558a5f663b48a994b25b078", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:65:9
[INFO] [stderr]    |
[INFO] [stderr] 65 |     let mut sys_stream = build_audio_stream(AudioSource::SystemOutput, sys_tx.clone())?;
[INFO] [stderr]    |         ----^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:66:9
[INFO] [stderr]    |
[INFO] [stderr] 66 |     let mut mic_stream = build_audio_stream(AudioSource::Microphone, mic_tx.clone())?;
[INFO] [stderr]    |         ----^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: field `source` is never read
[INFO] [stderr]   --> src/main.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | struct AudioStream {
[INFO] [stderr]    |        ----------- field in this struct
[INFO] [stderr] 13 |     stream: cpal::Stream,
[INFO] [stderr] 14 |     source: AudioSource,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `sys_stream`, `mic_stream`, `sys_tx`, and `mic_tx` are never read
[INFO] [stderr]    --> src/main.rs:100:5
[INFO] [stderr]     |
[INFO] [stderr]  95 | struct MyApp {
[INFO] [stderr]     |        ----- fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 100 |     sys_stream: AudioStream,
[INFO] [stderr]     |     ^^^^^^^^^^
[INFO] [stderr] 101 |     mic_stream: AudioStream,
[INFO] [stderr]     |     ^^^^^^^^^^
[INFO] [stderr] 102 |     sys_tx: Sender<f32>,
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr] 103 |     mic_tx: Sender<f32>,
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `oscilloscope` (bin "oscilloscope" test) generated 4 warnings (run `cargo fix --bin "oscilloscope" -p oscilloscope --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/oscilloscope-e0c2a248d64b71ef)
[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" "b36fb1376d36239b83e476723d341102e4710ca5e558a5f663b48a994b25b078", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b36fb1376d36239b83e476723d341102e4710ca5e558a5f663b48a994b25b078", kill_on_drop: false }`
[INFO] [stdout] b36fb1376d36239b83e476723d341102e4710ca5e558a5f663b48a994b25b078
