[INFO] cloning repository https://github.com/eric-huyl/rusty-jukebox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/eric-huyl/rusty-jukebox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feric-huyl%2Frusty-jukebox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feric-huyl%2Frusty-jukebox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 216509cc6e0520fb6a536f4f5027e1c74bb5b71f
[INFO] building eric-huyl/rusty-jukebox against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feric-huyl%2Frusty-jukebox" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/eric-huyl/rusty-jukebox
[INFO] finished tweaking git repo https://github.com/eric-huyl/rusty-jukebox
[INFO] tweaked toml for git repo https://github.com/eric-huyl/rusty-jukebox written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/eric-huyl/rusty-jukebox on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/eric-huyl/rusty-jukebox 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "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-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 68fb47732cb25f760ad72ff3696f6fd6a50673c49fe344a27b0300a1cc9abbeb
[INFO] running `Command { std: "docker" "start" "-a" "68fb47732cb25f760ad72ff3696f6fd6a50673c49fe344a27b0300a1cc9abbeb", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1849a5387660c01bde4ee42188c711fffc44cf9c31e39f4243f1a6c42ca28e9a
[INFO] running `Command { std: "docker" "start" "-a" "1849a5387660c01bde4ee42188c711fffc44cf9c31e39f4243f1a6c42ca28e9a", kill_on_drop: false }`
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[INFO] [stderr]    Compiling nom v1.2.4
[INFO] [stderr]    Compiling ttf-parser v0.20.0
[INFO] [stderr]    Compiling freetype-sys v0.20.1
[INFO] [stderr]    Compiling hound v1.1.0
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[INFO] [stderr]    Compiling claxon v0.4.3
[INFO] [stderr]    Compiling docopt v0.6.86
[INFO] [stderr]    Compiling rustfft v5.1.1
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[INFO] [stderr]    Compiling crossterm v0.24.0
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling symphonia v0.5.4
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[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling darling_core v0.9.0
[INFO] [stderr]    Compiling darling_macro v0.9.0
[INFO] [stderr]    Compiling darling v0.9.0
[INFO] [stderr]    Compiling derive_builder_core v0.5.0
[INFO] [stderr]    Compiling id3 v0.4.0
[INFO] [stderr]    Compiling rhyterm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/crossterm_backend.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 |     event::{self, DisableMouseCapture, EnableMouseCapture, Event, KeyCode},
[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: `core::time`
[INFO] [stdout]   --> src/crossterm_backend.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use core::time;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `terminal`
[INFO] [stdout]   --> src/crossterm_backend.rs:17:43
[INFO] [stdout]    |
[INFO] [stdout] 17 |     backend::{Backend, CrosstermBackend}, terminal, Terminal
[INFO] [stdout]    |                                           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::PathBuf`
[INFO] [stdout]  --> src/app.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::path::PathBuf;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BarChart`, `Canvas`, `Cell`, `Gauge`, `LineGauge`, `Line`, `MapResolution`, `Map`, `Rectangle`, `Row`, `Sparkline`, and `Table`
[INFO] [stdout]   --> src/ui.rs:8:23
[INFO] [stdout]    |
[INFO] [stdout]  8 |     widgets::canvas::{Canvas, Line, Map, MapResolution, Rectangle},
[INFO] [stdout]    |                       ^^^^^^  ^^^^  ^^^  ^^^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout]  9 |     widgets::{
[INFO] [stdout] 10 |         Axis, BarChart, Block, Borders, Cell, Chart, Dataset, Gauge, LineGauge, List, ListItem,
[INFO] [stdout]    |               ^^^^^^^^                  ^^^^                  ^^^^^  ^^^^^^^^^
[INFO] [stdout] 11 |         Paragraph, Row, Sparkline, Table, Tabs, Wrap,
[INFO] [stdout]    |                    ^^^  ^^^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/metadata.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `id3::Tag`
[INFO] [stdout]  --> src/metadata.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use id3::Tag;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/metadata.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Backend`
[INFO] [stdout]   --> src/crossterm_backend.rs:17:15
[INFO] [stdout]    |
[INFO] [stdout] 17 |     backend::{Backend, CrosstermBackend}, terminal, Terminal
[INFO] [stdout]    |               ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `last_tick`
[INFO] [stdout]   --> src/crossterm_backend.rs:38:13
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let mut last_tick = Instant::now(); 
[INFO] [stdout]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_tick`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/crossterm_backend.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let mut last_tick = Instant::now(); 
[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: unused variable: `app`
[INFO] [stdout]    --> src/ui.rs:116:52
[INFO] [stdout]     |
[INFO] [stdout] 116 | fn draw_turntable<B>(f: &mut Frame<B>, area: Rect, app: &App)
[INFO] [stdout]     |                                                    ^^^ help: if this is intentional, prefix it with an underscore: `_app`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/explorer.rs:73:20
[INFO] [stdout]    |
[INFO] [stdout] 73 |             .map(|(i, entry)| {
[INFO] [stdout]    |                    ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `duration` is never read
[INFO] [stdout]   --> src/app.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub struct Record<'a> {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub duration: u32, // duration in seconds
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `next` and `previous` are never used
[INFO] [stdout]   --> src/app.rs:62:12
[INFO] [stdout]    |
[INFO] [stdout] 49 | impl<'a> Playlist<'a> {
[INFO] [stdout]    | --------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 62 |     pub fn next(&mut self) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 |     pub fn previous(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/metadata.rs:56:33
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub fn read_metadata(file_path: &str) -> Result<Record, Box<dyn std::error::Error>> {
[INFO] [stdout]    |                                 ^^^^            ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                 |
[INFO] [stdout]    |                                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub fn read_metadata(file_path: &str) -> Result<Record<'_>, Box<dyn std::error::Error>> {
[INFO] [stdout]    |                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 39.38s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: flac v0.4.0, nom v1.2.4
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 5`
[INFO] running `Command { std: "docker" "inspect" "1849a5387660c01bde4ee42188c711fffc44cf9c31e39f4243f1a6c42ca28e9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1849a5387660c01bde4ee42188c711fffc44cf9c31e39f4243f1a6c42ca28e9a", kill_on_drop: false }`
[INFO] [stdout] 1849a5387660c01bde4ee42188c711fffc44cf9c31e39f4243f1a6c42ca28e9a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 13a484bd3a61337ad9e92d19380a0a2a4d4bed8f5007c24b327a1dc6dfcf073d
[INFO] running `Command { std: "docker" "start" "-a" "13a484bd3a61337ad9e92d19380a0a2a4d4bed8f5007c24b327a1dc6dfcf073d", kill_on_drop: false }`
[INFO] [stderr]    Compiling rhyterm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/crossterm_backend.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 |     event::{self, DisableMouseCapture, EnableMouseCapture, Event, KeyCode},
[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: `core::time`
[INFO] [stdout]   --> src/crossterm_backend.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use core::time;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `terminal`
[INFO] [stdout]   --> src/crossterm_backend.rs:17:43
[INFO] [stdout]    |
[INFO] [stdout] 17 |     backend::{Backend, CrosstermBackend}, terminal, Terminal
[INFO] [stdout]    |                                           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::PathBuf`
[INFO] [stdout]  --> src/app.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::path::PathBuf;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BarChart`, `Canvas`, `Cell`, `Gauge`, `LineGauge`, `Line`, `MapResolution`, `Map`, `Rectangle`, `Row`, `Sparkline`, and `Table`
[INFO] [stdout]   --> src/ui.rs:8:23
[INFO] [stdout]    |
[INFO] [stdout]  8 |     widgets::canvas::{Canvas, Line, Map, MapResolution, Rectangle},
[INFO] [stdout]    |                       ^^^^^^  ^^^^  ^^^  ^^^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout]  9 |     widgets::{
[INFO] [stdout] 10 |         Axis, BarChart, Block, Borders, Cell, Chart, Dataset, Gauge, LineGauge, List, ListItem,
[INFO] [stdout]    |               ^^^^^^^^                  ^^^^                  ^^^^^  ^^^^^^^^^
[INFO] [stdout] 11 |         Paragraph, Row, Sparkline, Table, Tabs, Wrap,
[INFO] [stdout]    |                    ^^^  ^^^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/metadata.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `id3::Tag`
[INFO] [stdout]  --> src/metadata.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use id3::Tag;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/metadata.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Backend`
[INFO] [stdout]   --> src/crossterm_backend.rs:17:15
[INFO] [stdout]    |
[INFO] [stdout] 17 |     backend::{Backend, CrosstermBackend}, terminal, Terminal
[INFO] [stdout]    |               ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `last_tick`
[INFO] [stdout]   --> src/crossterm_backend.rs:38:13
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let mut last_tick = Instant::now(); 
[INFO] [stdout]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_tick`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/crossterm_backend.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let mut last_tick = Instant::now(); 
[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: unused variable: `app`
[INFO] [stdout]    --> src/ui.rs:116:52
[INFO] [stdout]     |
[INFO] [stdout] 116 | fn draw_turntable<B>(f: &mut Frame<B>, area: Rect, app: &App)
[INFO] [stdout]     |                                                    ^^^ help: if this is intentional, prefix it with an underscore: `_app`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/explorer.rs:73:20
[INFO] [stdout]    |
[INFO] [stdout] 73 |             .map(|(i, entry)| {
[INFO] [stdout]    |                    ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `duration` is never read
[INFO] [stdout]   --> src/app.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub struct Record<'a> {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub duration: u32, // duration in seconds
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `next` and `previous` are never used
[INFO] [stdout]   --> src/app.rs:62:12
[INFO] [stdout]    |
[INFO] [stdout] 49 | impl<'a> Playlist<'a> {
[INFO] [stdout]    | --------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 62 |     pub fn next(&mut self) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 |     pub fn previous(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/metadata.rs:56:33
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub fn read_metadata(file_path: &str) -> Result<Record, Box<dyn std::error::Error>> {
[INFO] [stdout]    |                                 ^^^^            ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                 |
[INFO] [stdout]    |                                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub fn read_metadata(file_path: &str) -> Result<Record<'_>, Box<dyn std::error::Error>> {
[INFO] [stdout]    |                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.92s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: flac v0.4.0, nom v1.2.4
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 5`
[INFO] running `Command { std: "docker" "inspect" "13a484bd3a61337ad9e92d19380a0a2a4d4bed8f5007c24b327a1dc6dfcf073d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13a484bd3a61337ad9e92d19380a0a2a4d4bed8f5007c24b327a1dc6dfcf073d", kill_on_drop: false }`
[INFO] [stdout] 13a484bd3a61337ad9e92d19380a0a2a4d4bed8f5007c24b327a1dc6dfcf073d
