[INFO] cloning repository https://github.com/JDuchniewicz/Rustalizer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JDuchniewicz/Rustalizer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJDuchniewicz%2FRustalizer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJDuchniewicz%2FRustalizer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5dc9fa52a527957580010995bb2294ce72ec354d
[INFO] checking JDuchniewicz/Rustalizer against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJDuchniewicz%2FRustalizer" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/JDuchniewicz/Rustalizer
[INFO] finished tweaking git repo https://github.com/JDuchniewicz/Rustalizer
[INFO] tweaked toml for git repo https://github.com/JDuchniewicz/Rustalizer written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/JDuchniewicz/Rustalizer on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/JDuchniewicz/Rustalizer 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "8c8a0bac87ee3cc4ce9bfc317595774a4dbe2cd02da1e9d6c29432b37b67706e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c8a0bac87ee3cc4ce9bfc317595774a4dbe2cd02da1e9d6c29432b37b67706e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c8a0bac87ee3cc4ce9bfc317595774a4dbe2cd02da1e9d6c29432b37b67706e", kill_on_drop: false }`
[INFO] [stdout] 8c8a0bac87ee3cc4ce9bfc317595774a4dbe2cd02da1e9d6c29432b37b67706e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Dunmustuse_in_always_ok" "-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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e8ce8a8390f80801aa174a605d675d6e9922fcc2ab615d9fd00b7c5fa1ef6387
[INFO] running `Command { std: "docker" "start" "-a" "e8ce8a8390f80801aa174a605d675d6e9922fcc2ab615d9fd00b7c5fa1ef6387", kill_on_drop: false }`
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[INFO] [stdout] warning: unused imports: `ApplicationWindow`, `Application`, `Box`, `Frame`, and `Label`
[INFO] [stdout]  --> src/app.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 | use gtk::{Application, ApplicationWindow, Box, Frame, Label};
[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 import: `Context`
[INFO] [stdout]  --> src/equalizer.rs:5:14
[INFO] [stdout]   |
[INFO] [stdout] 5 | use anyhow::{Context, Result};
[INFO] [stdout]   |              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Direction` and `Layout`
[INFO] [stdout]   --> src/tui.rs:20:14
[INFO] [stdout]    |
[INFO] [stdout] 20 |     layout::{Direction, Layout},
[INFO] [stdout]    |              ^^^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ApplicationWindow`, `Application`, `Box`, `Frame`, and `Label`
[INFO] [stdout]  --> src/app.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 | use gtk::{Application, ApplicationWindow, Box, Frame, Label};
[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 import: `Context`
[INFO] [stdout]  --> src/equalizer.rs:5:14
[INFO] [stdout]   |
[INFO] [stdout] 5 | use anyhow::{Context, Result};
[INFO] [stdout]   |              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Direction` and `Layout`
[INFO] [stdout]   --> src/tui.rs:20:14
[INFO] [stdout]    |
[INFO] [stdout] 20 |     layout::{Direction, Layout},
[INFO] [stdout]    |              ^^^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `width`
[INFO] [stdout]    --> src/app.rs:134:38
[INFO] [stdout]     |
[INFO] [stdout] 134 |     fn add_labels(layout: &gtk::Box, width: i32, bins: Option<usize>) {
[INFO] [stdout]     |                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_width`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `width`
[INFO] [stdout]    --> src/app.rs:134:38
[INFO] [stdout]     |
[INFO] [stdout] 134 |     fn add_labels(layout: &gtk::Box, width: i32, bins: Option<usize>) {
[INFO] [stdout]     |                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_width`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/app.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct GuiApp {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 18 |     application: gtk::Application,
[INFO] [stdout] 19 |     name: String, // name of the only window for now
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `status` is never read
[INFO] [stdout]   --> src/equalizer.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Equalizer {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 16 |     status: bool,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/app.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct GuiApp {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 18 |     application: gtk::Application,
[INFO] [stdout] 19 |     name: String, // name of the only window for now
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `status` is never read
[INFO] [stdout]   --> src/equalizer.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Equalizer {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 16 |     status: bool,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `pause` is never used
[INFO] [stdout]    --> src/equalizer.rs:122:12
[INFO] [stdout]     |
[INFO] [stdout]  19 | impl Equalizer {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 122 |     pub fn pause(&self) -> Result<(), Error> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `pause` is never used
[INFO] [stdout]    --> src/equalizer.rs:122:12
[INFO] [stdout]     |
[INFO] [stdout]  19 | impl Equalizer {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 122 |     pub fn pause(&self) -> Result<(), Error> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Pause` is never constructed
[INFO] [stdout]  --> src/errors.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum StreamOp {
[INFO] [stdout]   |          -------- variant in this enum
[INFO] [stdout] 5 |     Play,
[INFO] [stdout] 6 |     Pause,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `StreamOp` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Pause` is never constructed
[INFO] [stdout]  --> src/errors.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum StreamOp {
[INFO] [stdout]   |          -------- variant in this enum
[INFO] [stdout] 5 |     Play,
[INFO] [stdout] 6 |     Pause,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `StreamOp` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `top` is never used
[INFO] [stdout]   --> src/ring_buffer.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl<T: Default + Clone> RingBuffer<T> {
[INFO] [stdout]    | -------------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 56 |     pub fn top(&self) -> Result<T, Error> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `top` is never used
[INFO] [stdout]   --> src/ring_buffer.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl<T: Default + Clone> RingBuffer<T> {
[INFO] [stdout]    | -------------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 56 |     pub fn top(&self) -> Result<T, Error> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | /     /// Specify display type, GUI for a GTK window based rendering, or TUI for a terminal based
[INFO] [stdout] 29 | |     /// interface
[INFO] [stdout] 30 | |     #[structopt(name = "mode", long, short)]
[INFO] [stdout] 31 | |     app_mode: String,
[INFO] [stdout]    | |____________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | /     /// Pass the name of monitored device, obtained by running "rustalizer -q"
[INFO] [stdout] 33 | |     #[structopt(name = "device", long, short)]
[INFO] [stdout] 34 | |     device_name: Option<String>,
[INFO] [stdout]    | |_______________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | /     /// Pass the name of audio host, obtained by running "rustalizer -q"
[INFO] [stdout] 36 | |     #[structopt(name = "host", long, short)]
[INFO] [stdout] 37 | |     host_name: Option<String>,
[INFO] [stdout]    | |_____________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | /     /// Specify display type, GUI for a GTK window based rendering, or TUI for a terminal based
[INFO] [stdout] 29 | |     /// interface
[INFO] [stdout] 30 | |     #[structopt(name = "mode", long, short)]
[INFO] [stdout] 31 | |     app_mode: String,
[INFO] [stdout]    | |____________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | /     /// Pass the name of monitored device, obtained by running "rustalizer -q"
[INFO] [stdout] 33 | |     #[structopt(name = "device", long, short)]
[INFO] [stdout] 34 | |     device_name: Option<String>,
[INFO] [stdout]    | |_______________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | /     /// Pass the name of audio host, obtained by running "rustalizer -q"
[INFO] [stdout] 36 | |     #[structopt(name = "host", long, short)]
[INFO] [stdout] 37 | |     host_name: Option<String>,
[INFO] [stdout]    | |_____________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `capacity` should have an upper case name
[INFO] [stdout]    --> src/equalizer/dsp/fft.rs:255:15
[INFO] [stdout]     |
[INFO] [stdout] 255 |         const capacity: usize = 1024;
[INFO] [stdout]     |               ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_upper_case_globals)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]     |
[INFO] [stdout] 255 -         const capacity: usize = 1024;
[INFO] [stdout] 255 +         const CAPACITY: usize = 1024;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `capacity` should have an upper case name
[INFO] [stdout]    --> src/equalizer/dsp/fft.rs:268:15
[INFO] [stdout]     |
[INFO] [stdout] 268 |         const capacity: usize = 1024;
[INFO] [stdout]     |               ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]     |
[INFO] [stdout] 268 -         const capacity: usize = 1024;
[INFO] [stdout] 268 +         const CAPACITY: usize = 1024;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `onlyZeroes` should have a snake case name
[INFO] [stdout]    --> src/equalizer/dsp/fft.rs:276:17
[INFO] [stdout]     |
[INFO] [stdout] 276 |         let mut onlyZeroes: bool = true;
[INFO] [stdout]     |                 ^^^^^^^^^^ help: convert the identifier to snake case: `only_zeroes`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/ring_buffer.rs:115:9
[INFO] [stdout]     |
[INFO] [stdout] 115 |         buf.push(1);
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 115 |         let _ = buf.push(1);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/ring_buffer.rs:116:9
[INFO] [stdout]     |
[INFO] [stdout] 116 |         buf.push(2);
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 116 |         let _ = buf.push(2);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustalizer` (bin "rustalizer") due to 3 previous errors; 9 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `rustalizer` (bin "rustalizer" test) due to 3 previous errors; 14 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "e8ce8a8390f80801aa174a605d675d6e9922fcc2ab615d9fd00b7c5fa1ef6387", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8ce8a8390f80801aa174a605d675d6e9922fcc2ab615d9fd00b7c5fa1ef6387", kill_on_drop: false }`
[INFO] [stdout] e8ce8a8390f80801aa174a605d675d6e9922fcc2ab615d9fd00b7c5fa1ef6387
