[INFO] cloning repository https://github.com/kennoath/minimix
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kennoath/minimix" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkennoath%2Fminimix", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkennoath%2Fminimix'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6e0762ca84155ec98d2f96c35022ad5b51904de1
[INFO] testing kennoath/minimix against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkennoath%2Fminimix" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kennoath/minimix
[INFO] finished tweaking git repo https://github.com/kennoath/minimix
[INFO] tweaked toml for git repo https://github.com/kennoath/minimix written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kennoath/minimix on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kennoath/minimix 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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded transpose v0.2.2
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fd8a8774e68e1964a0b8e333aea32499e02d9f960156221aebe3729cba3397c3
[INFO] running `Command { std: "docker" "start" "-a" "fd8a8774e68e1964a0b8e333aea32499e02d9f960156221aebe3729cba3397c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd8a8774e68e1964a0b8e333aea32499e02d9f960156221aebe3729cba3397c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd8a8774e68e1964a0b8e333aea32499e02d9f960156221aebe3729cba3397c3", kill_on_drop: false }`
[INFO] [stdout] fd8a8774e68e1964a0b8e333aea32499e02d9f960156221aebe3729cba3397c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ddbf7e9b8e0352766d24d3bb5a7878d51655dbd4c07e82f6ad24c83a15975be2
[INFO] running `Command { std: "docker" "start" "-a" "ddbf7e9b8e0352766d24d3bb5a7878d51655dbd4c07e82f6ad24c83a15975be2", kill_on_drop: false }`
[INFO] [stderr]    Compiling minimix v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `khash` is never used
[INFO] [stdout]  --> src/rng.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn khash(mut state: u32) -> u32 {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `krand` is never used
[INFO] [stdout]  --> src/rng.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn krand(seed: u32) -> f32 {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Rng` is never constructed
[INFO] [stdout]   --> src/rng.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Rng {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new_random`, `new_seeded`, `next_float`, `next_u32`, and `next_u64` are never used
[INFO] [stdout]   --> src/rng.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl Rng {
[INFO] [stdout]    | -------- associated items in this implementation
[INFO] [stdout] 19 |     pub fn new_random() -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub fn new_seeded(starting_seed: u32) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub fn next_float(&mut self) -> f32 {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     pub fn next_u32(&mut self) -> u32 {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub fn next_u64(&mut self) -> u64 {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "ddbf7e9b8e0352766d24d3bb5a7878d51655dbd4c07e82f6ad24c83a15975be2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddbf7e9b8e0352766d24d3bb5a7878d51655dbd4c07e82f6ad24c83a15975be2", kill_on_drop: false }`
[INFO] [stdout] ddbf7e9b8e0352766d24d3bb5a7878d51655dbd4c07e82f6ad24c83a15975be2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 38ce6693c2c6d5067522ddd22b4d4f9a78c3cd32aac52725c42370dae7639ef7
[INFO] running `Command { std: "docker" "start" "-a" "38ce6693c2c6d5067522ddd22b4d4f9a78c3cd32aac52725c42370dae7639ef7", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling simd-adler32 v0.3.7
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling smallvec v1.11.0
[INFO] [stderr]    Compiling anyhow v1.0.72
[INFO] [stderr]    Compiling cpal v0.15.2
[INFO] [stderr]    Compiling strength_reduce v0.2.4
[INFO] [stderr]    Compiling byteorder v0.5.3
[INFO] [stderr]    Compiling dasp_sample v0.11.0
[INFO] [stderr]    Compiling cache-padded v1.3.0
[INFO] [stderr]    Compiling minvect v0.1.0
[INFO] [stderr]    Compiling ringbuf v0.2.8
[INFO] [stderr]    Compiling riff-wave v0.1.3
[INFO] [stderr]    Compiling miniz_oxide v0.7.1
[INFO] [stderr]    Compiling fdeflate v0.3.0
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling rustfft v6.1.0
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling flate2 v1.0.27
[INFO] [stderr]    Compiling png v0.17.10
[INFO] [stderr]    Compiling minimg v0.1.1
[INFO] [stderr]    Compiling nix v0.24.3
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling alsa v0.7.1
[INFO] [stderr]    Compiling num-complex v0.4.4
[INFO] [stderr]    Compiling transpose v0.2.2
[INFO] [stderr]    Compiling primal-check v0.3.3
[INFO] [stderr]    Compiling minimix v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `info`
[INFO] [stdout]   --> src/playback/api.rs:85:57
[INFO] [stdout]    |
[INFO] [stdout] 85 |         let output_callback = move |output: &mut [f32], info: &cpal::OutputCallbackInfo| {
[INFO] [stdout]    |                                                         ^^^^ help: if this is intentional, prefix it with an underscore: `_info`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]   --> src/playback/mixer.rs:51:27
[INFO] [stdout]    |
[INFO] [stdout] 51 |             Command::Stop{id} => panic!("not implemented"),
[INFO] [stdout]    |                           ^^ help: try ignoring the field: `id: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num_channels`
[INFO] [stdout]   --> src/playback/track.rs:25:59
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn accumulate_buffer(&mut self, data: &mut [f32], num_channels: usize, loaded_sounds: &SoundLibrary) {
[INFO] [stdout]    |                                                           ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_channels`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `krand` is never used
[INFO] [stdout]  --> src/rng.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn krand(seed: u32) -> f32 {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new_seeded` and `next_float` are never used
[INFO] [stdout]   --> src/rng.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl Rng {
[INFO] [stdout]    | -------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub fn new_seeded(starting_seed: u32) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub fn next_float(&mut self) -> f32 {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `stream` is never read
[INFO] [stdout]   --> src/playback/api.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub struct Minimixer {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 67 |     stream: cpal::Stream,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `sample_rate` and `rng` are never read
[INFO] [stdout]   --> src/playback/mixer.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct Mixer {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 19 |     pub sample_rate: usize,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 20 |     pub nchannels: usize,
[INFO] [stdout] 21 |     rng: Rng,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `stop` is never used
[INFO] [stdout]   --> src/playback/mixer.rs:64:12
[INFO] [stdout]    |
[INFO] [stdout] 28 | impl Mixer {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 64 |     pub fn stop(&mut self, id: TrackHandle) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]  --> src/playback/track.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Track {
[INFO] [stdout]   |            ----- field in this struct
[INFO] [stdout] 5 |     pub sound: BufferHandle,
[INFO] [stdout] 6 |     pub id: TrackHandle,
[INFO] [stdout]   |         ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/playback/api.rs:117:9
[INFO] [stdout]     |
[INFO] [stdout] 117 |         self.sound_prod.push(s);
[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] 117 |         let _ = self.sound_prod.push(s);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/playback/api.rs:133:9
[INFO] [stdout]     |
[INFO] [stdout] 133 |         self.command_prod.push(command);
[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] 133 |         let _ = self.command_prod.push(command);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/playback/api.rs:138:9
[INFO] [stdout]     |
[INFO] [stdout] 138 |         self.command_prod.push(Command::Stop { id });
[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] 138 |         let _ = self.command_prod.push(Command::Stop { id });
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> tests/example.rs:106:29
[INFO] [stdout]     |
[INFO] [stdout] 106 |             current_freq *= (2.0 / 3.0);
[INFO] [stdout]     |                             ^         ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 106 -             current_freq *= (2.0 / 3.0);
[INFO] [stdout] 106 +             current_freq *= 2.0 / 3.0 ;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `from`
[INFO] [stdout]   --> tests/example.rs:50:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |         let from = 44100;
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_from`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `to`
[INFO] [stdout]   --> tests/example.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let to = (44100 as f32 * r) as u32;
[INFO] [stdout]    |             ^^ help: if this is intentional, prefix it with an underscore: `_to`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> tests/example.rs:103:13
[INFO] [stdout]     |
[INFO] [stdout] 103 |         for i in 0..130 {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sample_rate`
[INFO] [stdout]   --> src/wav.rs:63:10
[INFO] [stdout]    |
[INFO] [stdout] 63 |     let (sample_rate, samples2) = samples2.unwrap();
[INFO] [stdout]    |          ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sample_rate`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `semitone_ratio` should have an upper case name
[INFO] [stdout]    --> tests/example.rs:188:11
[INFO] [stdout]     |
[INFO] [stdout] 188 |     const semitone_ratio: f32 = 1.059463094359;
[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] 188 -     const semitone_ratio: f32 = 1.059463094359;
[INFO] [stdout] 188 +     const SEMITONE_RATIO: f32 = 1.059463094359;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `info`
[INFO] [stdout]   --> src/playback/api.rs:85:57
[INFO] [stdout]    |
[INFO] [stdout] 85 |         let output_callback = move |output: &mut [f32], info: &cpal::OutputCallbackInfo| {
[INFO] [stdout]    |                                                         ^^^^ help: if this is intentional, prefix it with an underscore: `_info`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]   --> src/playback/mixer.rs:51:27
[INFO] [stdout]    |
[INFO] [stdout] 51 |             Command::Stop{id} => panic!("not implemented"),
[INFO] [stdout]    |                           ^^ help: try ignoring the field: `id: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num_channels`
[INFO] [stdout]   --> src/playback/track.rs:25:59
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn accumulate_buffer(&mut self, data: &mut [f32], num_channels: usize, loaded_sounds: &SoundLibrary) {
[INFO] [stdout]    |                                                           ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_channels`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `krand` is never used
[INFO] [stdout]  --> src/rng.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn krand(seed: u32) -> f32 {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new_seeded` and `next_float` are never used
[INFO] [stdout]   --> src/rng.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl Rng {
[INFO] [stdout]    | -------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub fn new_seeded(starting_seed: u32) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub fn next_float(&mut self) -> f32 {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `stream` is never read
[INFO] [stdout]   --> src/playback/api.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub struct Minimixer {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 67 |     stream: cpal::Stream,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `sample_rate` and `rng` are never read
[INFO] [stdout]   --> src/playback/mixer.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct Mixer {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 19 |     pub sample_rate: usize,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 20 |     pub nchannels: usize,
[INFO] [stdout] 21 |     rng: Rng,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `stop` is never used
[INFO] [stdout]   --> src/playback/mixer.rs:64:12
[INFO] [stdout]    |
[INFO] [stdout] 28 | impl Mixer {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 64 |     pub fn stop(&mut self, id: TrackHandle) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]  --> src/playback/track.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Track {
[INFO] [stdout]   |            ----- field in this struct
[INFO] [stdout] 5 |     pub sound: BufferHandle,
[INFO] [stdout] 6 |     pub id: TrackHandle,
[INFO] [stdout]   |         ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/playback/api.rs:117:9
[INFO] [stdout]     |
[INFO] [stdout] 117 |         self.sound_prod.push(s);
[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] 117 |         let _ = self.sound_prod.push(s);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/playback/api.rs:133:9
[INFO] [stdout]     |
[INFO] [stdout] 133 |         self.command_prod.push(command);
[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] 133 |         let _ = self.command_prod.push(command);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/playback/api.rs:138:9
[INFO] [stdout]     |
[INFO] [stdout] 138 |         self.command_prod.push(Command::Stop { id });
[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] 138 |         let _ = self.command_prod.push(Command::Stop { id });
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 15.79s
[INFO] running `Command { std: "docker" "inspect" "38ce6693c2c6d5067522ddd22b4d4f9a78c3cd32aac52725c42370dae7639ef7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38ce6693c2c6d5067522ddd22b4d4f9a78c3cd32aac52725c42370dae7639ef7", kill_on_drop: false }`
[INFO] [stdout] 38ce6693c2c6d5067522ddd22b4d4f9a78c3cd32aac52725c42370dae7639ef7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bea768bd543c64ecdd8764a15f88445cf9fdaf335ffc9aaf87968e954d5fbe7f
[INFO] running `Command { std: "docker" "start" "-a" "bea768bd543c64ecdd8764a15f88445cf9fdaf335ffc9aaf87968e954d5fbe7f", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `info`
[INFO] [stderr]   --> src/playback/api.rs:85:57
[INFO] [stderr]    |
[INFO] [stderr] 85 |         let output_callback = move |output: &mut [f32], info: &cpal::OutputCallbackInfo| {
[INFO] [stderr]    |                                                         ^^^^ help: if this is intentional, prefix it with an underscore: `_info`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `id`
[INFO] [stderr]   --> src/playback/mixer.rs:51:27
[INFO] [stderr]    |
[INFO] [stderr] 51 |             Command::Stop{id} => panic!("not implemented"),
[INFO] [stderr]    |                           ^^ help: try ignoring the field: `id: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `num_channels`
[INFO] [stderr]   --> src/playback/track.rs:25:59
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn accumulate_buffer(&mut self, data: &mut [f32], num_channels: usize, loaded_sounds: &SoundLibrary) {
[INFO] [stderr]    |                                                           ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_channels`
[INFO] [stderr] 
[INFO] [stderr] warning: function `krand` is never used
[INFO] [stderr]  --> src/rng.rs:9:8
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub fn krand(seed: u32) -> f32 {
[INFO] [stderr]   |        ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new_seeded` and `next_float` are never used
[INFO] [stderr]   --> src/rng.rs:22:12
[INFO] [stderr]    |
[INFO] [stderr] 18 | impl Rng {
[INFO] [stderr]    | -------- associated items in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 22 |     pub fn new_seeded(starting_seed: u32) -> Self {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 25 |     pub fn next_float(&mut self) -> f32 {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `stream` is never read
[INFO] [stderr]   --> src/playback/api.rs:67:5
[INFO] [stderr]    |
[INFO] [stderr] 63 | pub struct Minimixer {
[INFO] [stderr]    |            --------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 67 |     stream: cpal::Stream,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `sample_rate` and `rng` are never read
[INFO] [stderr]   --> src/playback/mixer.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub struct Mixer {
[INFO] [stderr]    |            ----- fields in this struct
[INFO] [stderr] 19 |     pub sample_rate: usize,
[INFO] [stderr]    |         ^^^^^^^^^^^
[INFO] [stderr] 20 |     pub nchannels: usize,
[INFO] [stderr] 21 |     rng: Rng,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `stop` is never used
[INFO] [stderr]   --> src/playback/mixer.rs:64:12
[INFO] [stderr]    |
[INFO] [stderr] 28 | impl Mixer {
[INFO] [stderr]    | ---------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 64 |     pub fn stop(&mut self, id: TrackHandle) {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `id` is never read
[INFO] [stderr]  --> src/playback/track.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct Track {
[INFO] [stderr]   |            ----- field in this struct
[INFO] [stderr] 5 |     pub sound: BufferHandle,
[INFO] [stderr] 6 |     pub id: TrackHandle,
[INFO] [stderr]   |         ^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/playback/api.rs:117:9
[INFO] [stderr]     |
[INFO] [stderr] 117 |         self.sound_prod.push(s);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 117 |         let _ = self.sound_prod.push(s);
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/playback/api.rs:133:9
[INFO] [stderr]     |
[INFO] [stderr] 133 |         self.command_prod.push(command);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 133 |         let _ = self.command_prod.push(command);
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/playback/api.rs:138:9
[INFO] [stderr]     |
[INFO] [stderr] 138 |         self.command_prod.push(Command::Stop { id });
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 138 |         let _ = self.command_prod.push(Command::Stop { id });
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `minimix` (lib) generated 12 warnings (run `cargo fix --lib -p minimix` to apply 3 suggestions)
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> tests/example.rs:106:29
[INFO] [stderr]     |
[INFO] [stderr] 106 |             current_freq *= (2.0 / 3.0);
[INFO] [stderr]     |                             ^         ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 106 -             current_freq *= (2.0 / 3.0);
[INFO] [stderr] 106 +             current_freq *= 2.0 / 3.0 ;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `from`
[INFO] [stderr]   --> tests/example.rs:50:13
[INFO] [stderr]    |
[INFO] [stderr] 50 |         let from = 44100;
[INFO] [stderr]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_from`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `to`
[INFO] [stderr]   --> tests/example.rs:51:13
[INFO] [stderr]    |
[INFO] [stderr] 51 |         let to = (44100 as f32 * r) as u32;
[INFO] [stderr]    |             ^^ help: if this is intentional, prefix it with an underscore: `_to`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> tests/example.rs:103:13
[INFO] [stderr]     |
[INFO] [stderr] 103 |         for i in 0..130 {
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `semitone_ratio` should have an upper case name
[INFO] [stderr]    --> tests/example.rs:188:11
[INFO] [stderr]     |
[INFO] [stderr] 188 |     const semitone_ratio: f32 = 1.059463094359;
[INFO] [stderr]     |           ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_upper_case_globals)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] help: convert the identifier to upper case
[INFO] [stderr]     |
[INFO] [stderr] 188 -     const semitone_ratio: f32 = 1.059463094359;
[INFO] [stderr] 188 +     const SEMITONE_RATIO: f32 = 1.059463094359;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sample_rate`
[INFO] [stderr]   --> src/wav.rs:63:10
[INFO] [stderr]    |
[INFO] [stderr] 63 |     let (sample_rate, samples2) = samples2.unwrap();
[INFO] [stderr]    |          ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sample_rate`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `info`
[INFO] [stderr]   --> src/playback/api.rs:85:57
[INFO] [stderr]    |
[INFO] [stderr] 85 |         let output_callback = move |output: &mut [f32], info: &cpal::OutputCallbackInfo| {
[INFO] [stderr]    |                                                         ^^^^ help: if this is intentional, prefix it with an underscore: `_info`
[INFO] [stderr] 
[INFO] [stderr] warning: `minimix` (test "example") generated 5 warnings (run `cargo fix --test "example" -p minimix` to apply 5 suggestions)
[INFO] [stderr] warning: `minimix` (lib test) generated 13 warnings (11 duplicates) (run `cargo fix --lib -p minimix --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/minimix-70556a1e37aa73bd)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test wav::test_save_load ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- wav::test_save_load stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'wav::test_save_load' (18) panicked at src/wav.rs:47:38:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x642b941d14ca - std[29689e6404d28ef9]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x642b941d14ca - std[29689e6404d28ef9]::backtrace_rs::backtrace::trace_unsynchronized::<std[29689e6404d28ef9]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x642b941d14ca - std[29689e6404d28ef9]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x642b941d14ca - <<std[29689e6404d28ef9]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[e929cb53b82a81ca]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x642b941e5f2a - <core[e929cb53b82a81ca]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x642b941e5f2a - core[e929cb53b82a81ca]::fmt::write
[INFO] [stdout]    6:     0x642b941d5e62 - std[29689e6404d28ef9]::io::default_write_fmt::<alloc[9d7caffeb3b5d2c6]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/io/mod.rs:621:11
[INFO] [stdout]    7:     0x642b941d5e62 - <alloc[9d7caffeb3b5d2c6]::vec::Vec<u8> as std[29689e6404d28ef9]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/io/mod.rs:1976:13
[INFO] [stdout]    8:     0x642b941b03cf - <std[29689e6404d28ef9]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x642b941b03cf - std[29689e6404d28ef9]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x642b941c9869 - std[29689e6404d28ef9]::panicking::default_hook
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x642b941639dc - <alloc[9d7caffeb3b5d2c6]::boxed::Box<dyn for<'a, 'b> core[e929cb53b82a81ca]::ops::function::Fn<(&'a std[29689e6404d28ef9]::panic::PanicHookInfo<'b>,), Output = ()> + core[e929cb53b82a81ca]::marker::Send + core[e929cb53b82a81ca]::marker::Sync> as core[e929cb53b82a81ca]::ops::function::Fn<(&std[29689e6404d28ef9]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   12:     0x642b941639dc - test[a24b3028667022f7]::test_main_inner::<test[a24b3028667022f7]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x642b941c9a22 - <alloc[9d7caffeb3b5d2c6]::boxed::Box<dyn for<'a, 'b> core[e929cb53b82a81ca]::ops::function::Fn<(&'a std[29689e6404d28ef9]::panic::PanicHookInfo<'b>,), Output = ()> + core[e929cb53b82a81ca]::marker::Send + core[e929cb53b82a81ca]::marker::Sync> as core[e929cb53b82a81ca]::ops::function::Fn<(&std[29689e6404d28ef9]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   14:     0x642b941c9a22 - std[29689e6404d28ef9]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x642b941b0488 - std[29689e6404d28ef9]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x642b941a5669 - std[29689e6404d28ef9]::sys::backtrace::__rust_end_short_backtrace::<std[29689e6404d28ef9]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x642b941b119d - __rustc[3aed6af316653e63]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x642b941e661c - core[e929cb53b82a81ca]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x642b941e63f2 - core[e929cb53b82a81ca]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x642b941528a6 - <core[e929cb53b82a81ca]::result::Result<std[29689e6404d28ef9]::fs::File, std[29689e6404d28ef9]::io::error::Error>>::unwrap
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x642b941528a6 - minimix[9c6ab78a6dca8597]::wav::write_wav
[INFO] [stdout]                                at /opt/rustwide/workdir/src/wav.rs:47:38
[INFO] [stdout]   22:     0x642b94152c93 - minimix[9c6ab78a6dca8597]::wav::test_save_load
[INFO] [stdout]                                at /opt/rustwide/workdir/src/wav.rs:59:5
[INFO] [stdout]   23:     0x642b941512c7 - minimix[9c6ab78a6dca8597]::wav::test_save_load::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/wav.rs:56:24
[INFO] [stdout]   24:     0x642b941553b6 - <minimix[9c6ab78a6dca8597]::wav::test_save_load::{closure#0} as core[e929cb53b82a81ca]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x642b94156cbb - <fn() -> core[e929cb53b82a81ca]::result::Result<(), alloc[9d7caffeb3b5d2c6]::string::String> as core[e929cb53b82a81ca]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x642b94156cbb - test[a24b3028667022f7]::__rust_begin_short_backtrace::<core[e929cb53b82a81ca]::result::Result<(), alloc[9d7caffeb3b5d2c6]::string::String>, fn() -> core[e929cb53b82a81ca]::result::Result<(), alloc[9d7caffeb3b5d2c6]::string::String>>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/test/src/lib.rs:724:18
[INFO] [stdout]   27:     0x642b941644ab - test[a24b3028667022f7]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/test/src/lib.rs:747:74
[INFO] [stdout]   28:     0x642b941644ab - <core[e929cb53b82a81ca]::panic::unwind_safe::AssertUnwindSafe<test[a24b3028667022f7]::run_test_in_process::{closure#0}> as core[e929cb53b82a81ca]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   29:     0x642b941644ab - std[29689e6404d28ef9]::panicking::catch_unwind::do_call::<core[e929cb53b82a81ca]::panic::unwind_safe::AssertUnwindSafe<test[a24b3028667022f7]::run_test_in_process::{closure#0}>, core[e929cb53b82a81ca]::result::Result<(), alloc[9d7caffeb3b5d2c6]::string::String>>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   30:     0x642b941644ab - std[29689e6404d28ef9]::panicking::catch_unwind::<core[e929cb53b82a81ca]::result::Result<(), alloc[9d7caffeb3b5d2c6]::string::String>, core[e929cb53b82a81ca]::panic::unwind_safe::AssertUnwindSafe<test[a24b3028667022f7]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   31:     0x642b941644ab - std[29689e6404d28ef9]::panic::catch_unwind::<core[e929cb53b82a81ca]::panic::unwind_safe::AssertUnwindSafe<test[a24b3028667022f7]::run_test_in_process::{closure#0}>, core[e929cb53b82a81ca]::result::Result<(), alloc[9d7caffeb3b5d2c6]::string::String>>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panic.rs:359:14
[INFO] [stdout]   32:     0x642b941644ab - test[a24b3028667022f7]::run_test_in_process
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/test/src/lib.rs:747:27
[INFO] [stdout]   33:     0x642b941644ab - test[a24b3028667022f7]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/test/src/lib.rs:668:43
[INFO] [stdout]   34:     0x642b9415dbc4 - test[a24b3028667022f7]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/test/src/lib.rs:698:41
[INFO] [stdout]   35:     0x642b9415dbc4 - std[29689e6404d28ef9]::sys::backtrace::__rust_begin_short_backtrace::<test[a24b3028667022f7]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   36:     0x642b941670b2 - std[29689e6404d28ef9]::thread::lifecycle::spawn_unchecked::<test[a24b3028667022f7]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   37:     0x642b941670b2 - <core[e929cb53b82a81ca]::panic::unwind_safe::AssertUnwindSafe<std[29689e6404d28ef9]::thread::lifecycle::spawn_unchecked<test[a24b3028667022f7]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[e929cb53b82a81ca]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   38:     0x642b941670b2 - std[29689e6404d28ef9]::panicking::catch_unwind::do_call::<core[e929cb53b82a81ca]::panic::unwind_safe::AssertUnwindSafe<std[29689e6404d28ef9]::thread::lifecycle::spawn_unchecked<test[a24b3028667022f7]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   39:     0x642b941670b2 - std[29689e6404d28ef9]::panicking::catch_unwind::<(), core[e929cb53b82a81ca]::panic::unwind_safe::AssertUnwindSafe<std[29689e6404d28ef9]::thread::lifecycle::spawn_unchecked<test[a24b3028667022f7]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   40:     0x642b941670b2 - std[29689e6404d28ef9]::panic::catch_unwind::<core[e929cb53b82a81ca]::panic::unwind_safe::AssertUnwindSafe<std[29689e6404d28ef9]::thread::lifecycle::spawn_unchecked<test[a24b3028667022f7]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panic.rs:359:14
[INFO] [stdout]   41:     0x642b941670b2 - std[29689e6404d28ef9]::thread::lifecycle::spawn_unchecked::<test[a24b3028667022f7]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   42:     0x642b941670b2 - <std[29689e6404d28ef9]::thread::lifecycle::spawn_unchecked<test[a24b3028667022f7]::run_test::{closure#1}, ()>::{closure#1} as core[e929cb53b82a81ca]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   43:     0x642b941d0ddf - <alloc[9d7caffeb3b5d2c6]::boxed::Box<dyn core[e929cb53b82a81ca]::ops::function::FnOnce<(), Output = ()> + core[e929cb53b82a81ca]::marker::Send> as core[e929cb53b82a81ca]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/alloc/src/boxed.rs:2271:9
[INFO] [stdout]   44:     0x642b941d0ddf - <std[29689e6404d28ef9]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   45:     0x74fb23263aa4 - <unknown>
[INFO] [stdout]   46:     0x74fb232f0a64 - clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     wav::test_save_load
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "bea768bd543c64ecdd8764a15f88445cf9fdaf335ffc9aaf87968e954d5fbe7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bea768bd543c64ecdd8764a15f88445cf9fdaf335ffc9aaf87968e954d5fbe7f", kill_on_drop: false }`
[INFO] [stdout] bea768bd543c64ecdd8764a15f88445cf9fdaf335ffc9aaf87968e954d5fbe7f
