[INFO] cloning repository https://github.com/Tavi-Kohn/music-analyzer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Tavi-Kohn/music-analyzer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTavi-Kohn%2Fmusic-analyzer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTavi-Kohn%2Fmusic-analyzer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f8e17621d46b97afbd5c0da4774eec059b056334
[INFO] testing Tavi-Kohn/music-analyzer against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTavi-Kohn%2Fmusic-analyzer" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Tavi-Kohn/music-analyzer on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Tavi-Kohn/music-analyzer
[INFO] finished tweaking git repo https://github.com/Tavi-Kohn/music-analyzer
[INFO] tweaked toml for git repo https://github.com/Tavi-Kohn/music-analyzer written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/Tavi-Kohn/music-analyzer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dasp_sample v0.11.0
[INFO] [stderr]   Downloaded dasp_ring_buffer v0.11.0
[INFO] [stderr]   Downloaded dasp_peak v0.11.0
[INFO] [stderr]   Downloaded dasp_signal v0.11.0
[INFO] [stderr]   Downloaded minimal-lexical v0.1.3
[INFO] [stderr]   Downloaded dasp_envelope v0.11.0
[INFO] [stderr]   Downloaded dasp_interpolate v0.11.0
[INFO] [stderr]   Downloaded dasp_window v0.11.1
[INFO] [stderr]   Downloaded dasp_rms v0.11.0
[INFO] [stderr]   Downloaded dasp v0.11.0
[INFO] [stderr]   Downloaded dasp_slice v0.11.0
[INFO] [stderr]   Downloaded rustfft v6.0.1
[INFO] [stderr]   Downloaded primal-check v0.3.1
[INFO] [stderr]   Downloaded x11-dl v2.19.0
[INFO] [stderr]   Downloaded dasp_frame v0.11.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8ade4bcf1fb4c5956f0296f76eaec613572068172e43dcb158a89fb4a5863e10
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8ade4bcf1fb4c5956f0296f76eaec613572068172e43dcb158a89fb4a5863e10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ade4bcf1fb4c5956f0296f76eaec613572068172e43dcb158a89fb4a5863e10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ade4bcf1fb4c5956f0296f76eaec613572068172e43dcb158a89fb4a5863e10", kill_on_drop: false }`
[INFO] [stdout] 8ade4bcf1fb4c5956f0296f76eaec613572068172e43dcb158a89fb4a5863e10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f70957a4c12b733e46e5fcf5c50d8a9c760cb950928fe7168d8bad0b6ba61067
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f70957a4c12b733e46e5fcf5c50d8a9c760cb950928fe7168d8bad0b6ba61067", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.102
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling downcast-rs v1.2.0
[INFO] [stderr]    Compiling minimal-lexical v0.1.3
[INFO] [stderr]    Compiling cc v1.0.70
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling dasp_sample v0.11.0
[INFO] [stderr]    Compiling crossbeam-queue v0.3.2
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling ttf-parser v0.12.3
[INFO] [stderr]    Compiling xdg v2.2.0
[INFO] [stderr]    Compiling winit v0.25.0
[INFO] [stderr]    Compiling gimli v0.25.0
[INFO] [stderr]    Compiling dasp_ring_buffer v0.11.0
[INFO] [stderr]    Compiling emath v0.14.0
[INFO] [stderr]    Compiling atomic_refcell v0.1.7
[INFO] [stderr]    Compiling cpal v0.13.4
[INFO] [stderr]    Compiling takeable-option v0.5.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling webbrowser v0.5.5
[INFO] [stderr]    Compiling strength_reduce v0.2.3
[INFO] [stderr]    Compiling hound v3.4.0
[INFO] [stderr]    Compiling libloading v0.7.0
[INFO] [stderr]    Compiling instant v0.1.10
[INFO] [stderr]    Compiling libloading v0.6.7
[INFO] [stderr]    Compiling wayland-sys v0.28.6
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling x11-dl v2.19.0
[INFO] [stderr]    Compiling lock_api v0.4.5
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling ogg v0.8.0
[INFO] [stderr]    Compiling dasp_frame v0.11.0
[INFO] [stderr]    Compiling dasp_window v0.11.1
[INFO] [stderr]    Compiling tinyvec v1.4.0
[INFO] [stderr]    Compiling nom v7.0.0
[INFO] [stderr]    Compiling ahash v0.7.4
[INFO] [stderr]    Compiling dlib v0.4.2
[INFO] [stderr]    Compiling dlib v0.5.0
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling andrew v0.3.1
[INFO] [stderr]    Compiling object v0.26.2
[INFO] [stderr]    Compiling owned_ttf_parser v0.12.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling dasp_peak v0.11.0
[INFO] [stderr]    Compiling dasp_rms v0.11.0
[INFO] [stderr]    Compiling dasp_interpolate v0.11.0
[INFO] [stderr]    Compiling dasp_slice v0.11.0
[INFO] [stderr]    Compiling xcb v0.9.0
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling minimp3-sys v0.3.2
[INFO] [stderr]    Compiling ab_glyph v0.2.11
[INFO] [stderr]    Compiling lewton v0.10.2
[INFO] [stderr]    Compiling dasp_envelope v0.11.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling wayland-scanner v0.28.6
[INFO] [stderr]    Compiling ordered-float v2.8.0
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.7
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.5
[INFO] [stderr]    Compiling glium v0.30.2
[INFO] [stderr]    Compiling dasp_signal v0.11.0
[INFO] [stderr]    Compiling crossbeam v0.8.1
[INFO] [stderr]    Compiling nix v0.20.0
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling memmap2 v0.1.0
[INFO] [stderr]    Compiling raw-window-handle v0.3.3
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling memmap2 v0.2.3
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling slice-deque v0.3.0
[INFO] [stderr]    Compiling transpose v0.2.1
[INFO] [stderr]    Compiling primal-check v0.3.1
[INFO] [stderr]    Compiling dasp v0.11.0
[INFO] [stderr]    Compiling addr2line v0.16.0
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling mio-misc v1.2.1
[INFO] [stderr]    Compiling xcursor v0.3.4
[INFO] [stderr]    Compiling rustfft v6.0.1
[INFO] [stderr]    Compiling wayland-client v0.28.6
[INFO] [stderr]    Compiling wayland-protocols v0.28.6
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling epaint v0.14.0
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling egui v0.14.2
[INFO] [stderr]    Compiling wayland-commons v0.28.6
[INFO] [stderr]    Compiling alsa v0.5.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling calloop v0.6.5
[INFO] [stderr]    Compiling epi v0.14.0
[INFO] [stderr]    Compiling wayland-cursor v0.28.6
[INFO] [stderr]    Compiling wayland-egl v0.28.6
[INFO] [stderr]    Compiling thiserror v1.0.29
[INFO] [stderr]    Compiling minimp3 v0.5.1
[INFO] [stderr]    Compiling rodio v0.14.0
[INFO] [stderr]    Compiling x11-clipboard v0.5.2
[INFO] [stderr]    Compiling smithay-client-toolkit v0.12.3
[INFO] [stderr]    Compiling smithay-client-toolkit v0.14.0
[INFO] [stderr]    Compiling smithay-clipboard v0.6.4
[INFO] [stderr]    Compiling copypasta v0.7.1
[INFO] [stderr]    Compiling glutin v0.27.0
[INFO] [stderr]    Compiling egui_glium v0.14.0
[INFO] [stderr]    Compiling eframe v0.14.0
[INFO] [stderr]    Compiling music-analyzer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `rand::random`
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use rand::random;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/app.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 |         if (flag) {
[INFO] [stdout]    |            ^    ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 36 -         if (flag) {
[INFO] [stdout] 36 +         if flag {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `frame`
[INFO] [stdout]   --> src/app.rs:35:46
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn update(&mut self, ctx: &egui::CtxRef, frame: &mut epi::Frame<'_>) {
[INFO] [stdout]    |                                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_frame`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `flag` should have an upper case name
[INFO] [stdout]   --> src/app.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | static flag: bool = true;
[INFO] [stdout]    |        ^^^^ help: convert the identifier to upper case: `FLAG`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 14s
[INFO] running `Command { std: "docker" "inspect" "f70957a4c12b733e46e5fcf5c50d8a9c760cb950928fe7168d8bad0b6ba61067", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f70957a4c12b733e46e5fcf5c50d8a9c760cb950928fe7168d8bad0b6ba61067", kill_on_drop: false }`
[INFO] [stdout] f70957a4c12b733e46e5fcf5c50d8a9c760cb950928fe7168d8bad0b6ba61067
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec272346a8a2982c0b95ac18a7b58d19466ec1319e87848b05020adbe2821379
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ec272346a8a2982c0b95ac18a7b58d19466ec1319e87848b05020adbe2821379", kill_on_drop: false }`
[INFO] [stderr]    Compiling music-analyzer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `rand::random`
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use rand::random;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/app.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 |         if (flag) {
[INFO] [stdout]    |            ^    ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 36 -         if (flag) {
[INFO] [stdout] 36 +         if flag {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `frame`
[INFO] [stdout]   --> src/app.rs:35:46
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn update(&mut self, ctx: &egui::CtxRef, frame: &mut epi::Frame<'_>) {
[INFO] [stdout]    |                                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_frame`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `flag` should have an upper case name
[INFO] [stdout]   --> src/app.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | static flag: bool = true;
[INFO] [stdout]    |        ^^^^ help: convert the identifier to upper case: `FLAG`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `Command { std: "docker" "inspect" "ec272346a8a2982c0b95ac18a7b58d19466ec1319e87848b05020adbe2821379", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec272346a8a2982c0b95ac18a7b58d19466ec1319e87848b05020adbe2821379", kill_on_drop: false }`
[INFO] [stdout] ec272346a8a2982c0b95ac18a7b58d19466ec1319e87848b05020adbe2821379
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 83d2f94e138e06715359674cceeac8d504c27f322b10b94b92704ab23b445870
[INFO] running `Command { std: "docker" "start" "-a" "83d2f94e138e06715359674cceeac8d504c27f322b10b94b92704ab23b445870", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `rand::random`
[INFO] [stderr]   --> src/main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use rand::random;
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/app.rs:36:12
[INFO] [stderr]    |
[INFO] [stderr] 36 |         if (flag) {
[INFO] [stderr]    |            ^    ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 36 -         if (flag) {
[INFO] [stderr] 36 +         if flag {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `frame`
[INFO] [stderr]   --> src/app.rs:35:46
[INFO] [stderr]    |
[INFO] [stderr] 35 |     fn update(&mut self, ctx: &egui::CtxRef, frame: &mut epi::Frame<'_>) {
[INFO] [stderr]    |                                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_frame`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `flag` should have an upper case name
[INFO] [stderr]   --> src/app.rs:16:8
[INFO] [stderr]    |
[INFO] [stderr] 16 | static flag: bool = true;
[INFO] [stderr]    |        ^^^^ help: convert the identifier to upper case: `FLAG`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `music-analyzer` (bin "music-analyzer" test) generated 4 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/music_analyzer-59538188fc741691)
[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" "83d2f94e138e06715359674cceeac8d504c27f322b10b94b92704ab23b445870", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83d2f94e138e06715359674cceeac8d504c27f322b10b94b92704ab23b445870", kill_on_drop: false }`
[INFO] [stdout] 83d2f94e138e06715359674cceeac8d504c27f322b10b94b92704ab23b445870