[INFO] cloning repository https://github.com/bpostlethwaite/spectrak
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bpostlethwaite/spectrak" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbpostlethwaite%2Fspectrak", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbpostlethwaite%2Fspectrak'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 77604038f57c30ef277cbce2f9300210c00e8eab
[INFO] testing bpostlethwaite/spectrak against beta-2021-08-01 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbpostlethwaite%2Fspectrak" "/workspace/builds/worker-51/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-51/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bpostlethwaite/spectrak on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bpostlethwaite/spectrak
[INFO] finished tweaking git repo https://github.com/bpostlethwaite/spectrak
[INFO] tweaked toml for git repo https://github.com/bpostlethwaite/spectrak written to /workspace/builds/worker-51/source/Cargo.toml
[INFO] crate git repo https://github.com/bpostlethwaite/spectrak already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/emilk/egui`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustc-demangle v0.1.19
[INFO] [stderr]   Downloaded ringbuf v0.2.4
[INFO] [stderr]   Downloaded ordered-float v2.2.0
[INFO] [stderr]   Downloaded realfft v2.0.1
[INFO] [stderr]   Downloaded jack-sys v0.2.2
[INFO] [stderr]   Downloaded jack v0.6.6
[INFO] [stderr]   Downloaded rustfft v6.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed5dc4027bd0b78edb5de51ef56f4556a9cd5142fa38486a8901d15a2dcd2abb
[INFO] running `Command { std: "docker" "start" "-a" "ed5dc4027bd0b78edb5de51ef56f4556a9cd5142fa38486a8901d15a2dcd2abb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed5dc4027bd0b78edb5de51ef56f4556a9cd5142fa38486a8901d15a2dcd2abb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed5dc4027bd0b78edb5de51ef56f4556a9cd5142fa38486a8901d15a2dcd2abb", kill_on_drop: false }`
[INFO] [stdout] ed5dc4027bd0b78edb5de51ef56f4556a9cd5142fa38486a8901d15a2dcd2abb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9ba8ac5ab820d8d123a7d4fa162bf56ebde16fb1a465a61c5390e47c052445c7
[INFO] running `Command { std: "docker" "start" "-a" "9ba8ac5ab820d8d123a7d4fa162bf56ebde16fb1a465a61c5390e47c052445c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling once_cell v1.7.2
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling ttf-parser v0.6.2
[INFO] [stderr]    Compiling ab_glyph_rasterizer v0.1.4
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling scoped-tls v1.0.0
[INFO] [stderr]    Compiling downcast-rs v1.2.0
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling xdg v2.2.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling slab v0.4.3
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling atomic_refcell v0.1.7
[INFO] [stderr]    Compiling emath v0.11.0 (https://github.com/emilk/egui?branch=master#29668b51)
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling object v0.23.0
[INFO] [stderr]    Compiling strength_reduce v0.2.3
[INFO] [stderr]    Compiling rustc-demangle v0.1.19
[INFO] [stderr]    Compiling takeable-option v0.5.0
[INFO] [stderr]    Compiling cgmath v0.18.0
[INFO] [stderr]    Compiling webbrowser v0.5.5
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[INFO] [stderr]    Compiling libloading v0.7.0
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[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling wayland-sys v0.28.5
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[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling lock_api v0.4.4
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[INFO] [stderr]    Compiling crossbeam-utils v0.8.4
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling dlib v0.4.2
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[INFO] [stderr]    Compiling gl_generator v0.14.0
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[INFO] [stderr]    Compiling rusttype v0.9.2
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[INFO] [stderr]    Compiling approx v0.4.0
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[INFO] [stderr]    Compiling primal-check v0.3.1
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[INFO] [stderr]    Compiling glutin_egl_sys v0.1.5
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[INFO] [stderr]    Compiling glium v0.29.1
[INFO] [stderr]    Compiling nix v0.20.0
[INFO] [stderr]    Compiling memmap2 v0.1.0
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling raw-window-handle v0.3.3
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling jack-sys v0.2.2
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling jack v0.6.6
[INFO] [stderr]    Compiling rustfft v6.0.0
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling xcb v0.9.0
[INFO] [stderr]    Compiling epaint v0.11.0 (https://github.com/emilk/egui?branch=master#29668b51)
[INFO] [stderr]    Compiling xcursor v0.3.3
[INFO] [stderr]    Compiling wayland-client v0.28.5
[INFO] [stderr]    Compiling wayland-protocols v0.28.5
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling egui v0.11.0 (https://github.com/emilk/egui?branch=master#29668b51)
[INFO] [stderr]    Compiling epi v0.11.0 (https://github.com/emilk/egui?branch=master#29668b51)
[INFO] [stderr]    Compiling wayland-commons v0.28.5
[INFO] [stderr]    Compiling calloop v0.6.5
[INFO] [stderr]    Compiling realfft v2.0.1
[INFO] [stderr]    Compiling wayland-cursor v0.28.5
[INFO] [stderr]    Compiling wayland-egl v0.28.5
[INFO] [stderr]    Compiling x11-clipboard v0.5.1
[INFO] [stderr]    Compiling smithay-client-toolkit v0.12.3
[INFO] [stderr]    Compiling winit v0.24.0
[INFO] [stderr]    Compiling smithay-clipboard v0.6.3
[INFO] [stderr]    Compiling copypasta v0.7.1
[INFO] [stderr]    Compiling glutin v0.26.0
[INFO] [stderr]    Compiling egui_glium v0.11.0 (https://github.com/emilk/egui?branch=master#29668b51)
[INFO] [stderr]    Compiling spectrak v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `jack`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use jack;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::thread;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::time::Duration;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `anyhow::Result`
[INFO] [stdout]  --> src/lib/app.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use anyhow::Result;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/lib/app.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |         if (self.data.len() < self.fft_size) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Matrix4`, `Vector2`
[INFO] [stdout]  --> src/lib/spectrograph.rs:1:14
[INFO] [stdout]   |
[INFO] [stdout] 1 | use cgmath::{Matrix4, Vector2};
[INFO] [stdout]   |              ^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `FFTProc`, `PlaybackSystem`, `PortConnector`, `SineGen`
[INFO] [stdout]   --> src/main.rs:17:24
[INFO] [stdout]    |
[INFO] [stdout] 17 | use lib::controllers::{FFTProc, PlaybackSystem, PortConnector, SineGen};
[INFO] [stdout]    |                        ^^^^^^^  ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fft_size`
[INFO] [stdout]   --> src/main.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let fft_size = FFT_MAX_SIZE;
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_fft_size`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tx`
[INFO] [stdout]   --> src/main.rs:42:10
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let (tx, rx) = crossbeam_channel::unbounded();
[INFO] [stdout]    |          ^^ help: if this is intentional, prefix it with an underscore: `_tx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `label`
[INFO] [stdout]   --> src/lib/app.rs:60:13
[INFO] [stdout]    |
[INFO] [stdout] 60 |             label,
[INFO] [stdout]    |             ^^^^^ help: try ignoring the field: `label: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/lib/app.rs:61:13
[INFO] [stdout]    |
[INFO] [stdout] 61 |             value,
[INFO] [stdout]    |             ^^^^^ help: try ignoring the field: `value: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:98:17
[INFO] [stdout]    |
[INFO] [stdout] 98 |             let mut quit = false;
[INFO] [stdout]    |                 ----^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Tick`
[INFO] [stdout]   --> src/lib/common.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     Tick(Vec<f32>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `fft_used_buff_size`
[INFO] [stdout]   --> src/lib/controllers.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn fft_used_buff_size(fft_size: usize) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `make_client`
[INFO] [stdout]   --> src/lib/controllers.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn make_client<T>(
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/lib/controllers.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn new(
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `fft_size`
[INFO] [stdout]    --> src/lib/controllers.rs:139:5
[INFO] [stdout]     |
[INFO] [stdout] 139 |     fft_size: usize,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/lib/controllers.rs:144:12
[INFO] [stdout]     |
[INFO] [stdout] 144 |     pub fn new(
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `run`
[INFO] [stdout]    --> src/lib/controllers.rs:190:8
[INFO] [stdout]     |
[INFO] [stdout] 190 |     fn run(
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/lib/controllers.rs:282:12
[INFO] [stdout]     |
[INFO] [stdout] 282 |     pub fn new() -> PlaybackSystem<'a> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SCREEN_WIDTH`
[INFO] [stdout]   --> src/lib/spectrograph.rs:81:1
[INFO] [stdout]    |
[INFO] [stdout] 81 | const SCREEN_WIDTH: u32 = 1024;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SCREEN_HEIGHT`
[INFO] [stdout]   --> src/lib/spectrograph.rs:82:1
[INFO] [stdout]    |
[INFO] [stdout] 82 | const SCREEN_HEIGHT: u32 = 768;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `width`
[INFO] [stdout]   --> src/lib/spectrograph.rs:87:5
[INFO] [stdout]    |
[INFO] [stdout] 87 |     width: u32,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `tex_height`
[INFO] [stdout]   --> src/lib/spectrograph.rs:90:5
[INFO] [stdout]    |
[INFO] [stdout] 90 |     tex_height: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 25 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 23s
[INFO] running `Command { std: "docker" "inspect" "9ba8ac5ab820d8d123a7d4fa162bf56ebde16fb1a465a61c5390e47c052445c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ba8ac5ab820d8d123a7d4fa162bf56ebde16fb1a465a61c5390e47c052445c7", kill_on_drop: false }`
[INFO] [stdout] 9ba8ac5ab820d8d123a7d4fa162bf56ebde16fb1a465a61c5390e47c052445c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 133d9330c8d44743160de77c562a3f0c309cde5dc4ee19a1524ccf12069ab887
[INFO] running `Command { std: "docker" "start" "-a" "133d9330c8d44743160de77c562a3f0c309cde5dc4ee19a1524ccf12069ab887", kill_on_drop: false }`
[INFO] [stderr]    Compiling spectrak v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `jack`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use jack;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::thread;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::time::Duration;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `anyhow::Result`
[INFO] [stdout]  --> src/lib/app.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use anyhow::Result;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/lib/app.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |         if (self.data.len() < self.fft_size) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Matrix4`, `Vector2`
[INFO] [stdout]  --> src/lib/spectrograph.rs:1:14
[INFO] [stdout]   |
[INFO] [stdout] 1 | use cgmath::{Matrix4, Vector2};
[INFO] [stdout]   |              ^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `FFTProc`, `PlaybackSystem`, `PortConnector`, `SineGen`
[INFO] [stdout]   --> src/main.rs:17:24
[INFO] [stdout]    |
[INFO] [stdout] 17 | use lib::controllers::{FFTProc, PlaybackSystem, PortConnector, SineGen};
[INFO] [stdout]    |                        ^^^^^^^  ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fft_size`
[INFO] [stdout]   --> src/main.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let fft_size = FFT_MAX_SIZE;
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_fft_size`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tx`
[INFO] [stdout]   --> src/main.rs:42:10
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let (tx, rx) = crossbeam_channel::unbounded();
[INFO] [stdout]    |          ^^ help: if this is intentional, prefix it with an underscore: `_tx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `label`
[INFO] [stdout]   --> src/lib/app.rs:60:13
[INFO] [stdout]    |
[INFO] [stdout] 60 |             label,
[INFO] [stdout]    |             ^^^^^ help: try ignoring the field: `label: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/lib/app.rs:61:13
[INFO] [stdout]    |
[INFO] [stdout] 61 |             value,
[INFO] [stdout]    |             ^^^^^ help: try ignoring the field: `value: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:98:17
[INFO] [stdout]    |
[INFO] [stdout] 98 |             let mut quit = false;
[INFO] [stdout]    |                 ----^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Tick`
[INFO] [stdout]   --> src/lib/common.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     Tick(Vec<f32>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `fft_used_buff_size`
[INFO] [stdout]   --> src/lib/controllers.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn fft_used_buff_size(fft_size: usize) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `make_client`
[INFO] [stdout]   --> src/lib/controllers.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn make_client<T>(
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/lib/controllers.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn new(
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `fft_size`
[INFO] [stdout]    --> src/lib/controllers.rs:139:5
[INFO] [stdout]     |
[INFO] [stdout] 139 |     fft_size: usize,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/lib/controllers.rs:144:12
[INFO] [stdout]     |
[INFO] [stdout] 144 |     pub fn new(
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `run`
[INFO] [stdout]    --> src/lib/controllers.rs:190:8
[INFO] [stdout]     |
[INFO] [stdout] 190 |     fn run(
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/lib/controllers.rs:282:12
[INFO] [stdout]     |
[INFO] [stdout] 282 |     pub fn new() -> PlaybackSystem<'a> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SCREEN_WIDTH`
[INFO] [stdout]   --> src/lib/spectrograph.rs:81:1
[INFO] [stdout]    |
[INFO] [stdout] 81 | const SCREEN_WIDTH: u32 = 1024;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SCREEN_HEIGHT`
[INFO] [stdout]   --> src/lib/spectrograph.rs:82:1
[INFO] [stdout]    |
[INFO] [stdout] 82 | const SCREEN_HEIGHT: u32 = 768;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `width`
[INFO] [stdout]   --> src/lib/spectrograph.rs:87:5
[INFO] [stdout]    |
[INFO] [stdout] 87 |     width: u32,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `tex_height`
[INFO] [stdout]   --> src/lib/spectrograph.rs:90:5
[INFO] [stdout]    |
[INFO] [stdout] 90 |     tex_height: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 25 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.68s
[INFO] running `Command { std: "docker" "inspect" "133d9330c8d44743160de77c562a3f0c309cde5dc4ee19a1524ccf12069ab887", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "133d9330c8d44743160de77c562a3f0c309cde5dc4ee19a1524ccf12069ab887", kill_on_drop: false }`
[INFO] [stdout] 133d9330c8d44743160de77c562a3f0c309cde5dc4ee19a1524ccf12069ab887
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6b5d721a0906fd009ba37a95df5519916e45d36d0ba50e0e65c53aa086ade0da
[INFO] running `Command { std: "docker" "start" "-a" "6b5d721a0906fd009ba37a95df5519916e45d36d0ba50e0e65c53aa086ade0da", kill_on_drop: false }`
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `jack`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use jack;
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::thread`
[INFO] [stderr]   --> src/main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::thread;
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]   --> src/main.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use std::time::Duration;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `anyhow::Result`
[INFO] [stderr]  --> src/lib/app.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use anyhow::Result;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/lib/app.rs:22:12
[INFO] [stderr]    |
[INFO] [stderr] 22 |         if (self.data.len() < self.fft_size) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Matrix4`, `Vector2`
[INFO] [stderr]  --> src/lib/spectrograph.rs:1:14
[INFO] [stderr]   |
[INFO] [stderr] 1 | use cgmath::{Matrix4, Vector2};
[INFO] [stderr]   |              ^^^^^^^  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `FFTProc`, `PlaybackSystem`, `PortConnector`, `SineGen`
[INFO] [stderr]   --> src/main.rs:17:24
[INFO] [stderr]    |
[INFO] [stderr] 17 | use lib::controllers::{FFTProc, PlaybackSystem, PortConnector, SineGen};
[INFO] [stderr]    |                        ^^^^^^^  ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `fft_size`
[INFO] [stderr]   --> src/main.rs:41:9
[INFO] [stderr]    |
[INFO] [stderr] 41 |     let fft_size = FFT_MAX_SIZE;
[INFO] [stderr]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_fft_size`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tx`
[INFO] [stderr]   --> src/main.rs:42:10
[INFO] [stderr]    |
[INFO] [stderr] 42 |     let (tx, rx) = crossbeam_channel::unbounded();
[INFO] [stderr]    |          ^^ help: if this is intentional, prefix it with an underscore: `_tx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `label`
[INFO] [stderr]   --> src/lib/app.rs:60:13
[INFO] [stderr]    |
[INFO] [stderr] 60 |             label,
[INFO] [stderr]    |             ^^^^^ help: try ignoring the field: `label: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `value`
[INFO] [stderr]   --> src/lib/app.rs:61:13
[INFO] [stderr]    |
[INFO] [stderr] 61 |             value,
[INFO] [stderr]    |             ^^^^^ help: try ignoring the field: `value: _`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:98:17
[INFO] [stderr]    |
[INFO] [stderr] 98 |             let mut quit = false;
[INFO] [stderr]    |                 ----^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Tick`
[INFO] [stderr]   --> src/lib/common.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     Tick(Vec<f32>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `fft_used_buff_size`
[INFO] [stderr]   --> src/lib/controllers.rs:24:4
[INFO] [stderr]    |
[INFO] [stderr] 24 | fn fft_used_buff_size(fft_size: usize) -> usize {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `make_client`
[INFO] [stderr]   --> src/lib/controllers.rs:32:4
[INFO] [stderr]    |
[INFO] [stderr] 32 | fn make_client<T>(
[INFO] [stderr]    |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/lib/controllers.rs:56:12
[INFO] [stderr]    |
[INFO] [stderr] 56 |     pub fn new(
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `fft_size`
[INFO] [stderr]    --> src/lib/controllers.rs:139:5
[INFO] [stderr]     |
[INFO] [stderr] 139 |     fft_size: usize,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]    --> src/lib/controllers.rs:144:12
[INFO] [stderr]     |
[INFO] [stderr] 144 |     pub fn new(
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `run`
[INFO] [stderr]    --> src/lib/controllers.rs:190:8
[INFO] [stderr]     |
[INFO] [stderr] 190 |     fn run(
[INFO] [stderr]     |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]    --> src/lib/controllers.rs:282:12
[INFO] [stderr]     |
[INFO] [stderr] 282 |     pub fn new() -> PlaybackSystem<'a> {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `SCREEN_WIDTH`
[INFO] [stderr]   --> src/lib/spectrograph.rs:81:1
[INFO] [stderr]    |
[INFO] [stderr] 81 | const SCREEN_WIDTH: u32 = 1024;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `SCREEN_HEIGHT`
[INFO] [stderr]   --> src/lib/spectrograph.rs:82:1
[INFO] [stderr]    |
[INFO] [stderr] 82 | const SCREEN_HEIGHT: u32 = 768;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `width`
[INFO] [stderr]   --> src/lib/spectrograph.rs:87:5
[INFO] [stderr]    |
[INFO] [stderr] 87 |     width: u32,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `tex_height`
[INFO] [stderr]   --> src/lib/spectrograph.rs:90:5
[INFO] [stderr]    |
[INFO] [stderr] 90 |     tex_height: u32,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `spectrak` (bin "spectrak" test) generated 25 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/spectrak-64ac4b42cd78f882)
[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" "6b5d721a0906fd009ba37a95df5519916e45d36d0ba50e0e65c53aa086ade0da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b5d721a0906fd009ba37a95df5519916e45d36d0ba50e0e65c53aa086ade0da", kill_on_drop: false }`
[INFO] [stdout] 6b5d721a0906fd009ba37a95df5519916e45d36d0ba50e0e65c53aa086ade0da
