[INFO] cloning repository https://github.com/Noah2610/fsmus
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Noah2610/fsmus" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNoah2610%2Ffsmus", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNoah2610%2Ffsmus'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 95a309d65f5d84c664cced12c5f6a02a1a166f2e
[INFO] checking Noah2610/fsmus against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNoah2610%2Ffsmus" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Noah2610/fsmus on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Noah2610/fsmus
[INFO] finished tweaking git repo https://github.com/Noah2610/fsmus
[INFO] tweaked toml for git repo https://github.com/Noah2610/fsmus written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Noah2610/fsmus 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num_enum_derive v0.4.3
[INFO] [stderr]   Downloaded minimp3 v0.5.1
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[INFO] [stderr]   Downloaded time v0.2.23
[INFO] [stderr]   Downloaded cpal v0.13.1
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e6878e6da9213231d7a24946d562fdb3ef40da70d0cdc8b0748b8e26931871a7
[INFO] running `Command { std: "docker" "start" "-a" "e6878e6da9213231d7a24946d562fdb3ef40da70d0cdc8b0748b8e26931871a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e6878e6da9213231d7a24946d562fdb3ef40da70d0cdc8b0748b8e26931871a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6878e6da9213231d7a24946d562fdb3ef40da70d0cdc8b0748b8e26931871a7", kill_on_drop: false }`
[INFO] [stdout] e6878e6da9213231d7a24946d562fdb3ef40da70d0cdc8b0748b8e26931871a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3fc0579703280d8e3bb8842b01335d82c8495a413030ceffebd44fdd2efd761e
[INFO] running `Command { std: "docker" "start" "-a" "3fc0579703280d8e3bb8842b01335d82c8495a413030ceffebd44fdd2efd761e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling getrandom v0.2.0
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling minimp3-sys v0.3.2
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling cpal v0.13.1
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking tinyvec v0.3.4
[INFO] [stderr]     Checking textwrap v0.12.1
[INFO] [stderr]     Checking hound v3.4.0
[INFO] [stderr]     Checking os_str_bytes v2.4.0
[INFO] [stderr]     Checking claxon v0.4.3
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking ogg v0.7.1
[INFO] [stderr]     Checking lewton v0.10.1
[INFO] [stderr]     Checking slice-deque v0.3.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking directories v3.0.1
[INFO] [stderr]     Checking rand_core v0.6.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.0
[INFO] [stderr]     Checking alsa v0.4.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]     Checking thiserror v1.0.23
[INFO] [stderr]     Checking minimp3 v0.5.1
[INFO] [stderr]     Checking clap v3.0.0-beta.2
[INFO] [stderr]     Checking rodio v0.13.0
[INFO] [stderr]     Checking ron v0.6.4
[INFO] [stderr]     Checking fsmus v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]   --> src/app/mod.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 |     use std::io::{Read, Write};
[INFO] [stdout]    |                         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]   --> src/app/mod.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 |     use std::io::{Read, Write};
[INFO] [stdout]    |                         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `time_ms`
[INFO] [stdout]   --> src/app/music_player/mod.rs:76:28
[INFO] [stdout]    |
[INFO] [stdout] 76 |     pub fn seek(&mut self, time_ms: u64) -> Result<(), String> {
[INFO] [stdout]    |                            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_time_ms`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `time_ms`
[INFO] [stdout]   --> src/app/music_player/mod.rs:76:28
[INFO] [stdout]    |
[INFO] [stdout] 76 |     pub fn seek(&mut self, time_ms: u64) -> Result<(), String> {
[INFO] [stdout]    |                            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_time_ms`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]  --> src/app/mod.rs:7:14
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn start(args: Args) -> Result<(), String> {
[INFO] [stdout]   |              ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]  --> src/app/mod.rs:7:14
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn start(args: Args) -> Result<(), String> {
[INFO] [stdout]   |              ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `music_dir` and `state` are never read
[INFO] [stdout]   --> src/app/music_player/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub struct MusicPlayer {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 9  |     stream:    (OutputStream, OutputStreamHandle),
[INFO] [stdout] 10 |     music_dir: PathBuf,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     state:             PlaybackState,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `music_dir` and `state` are never read
[INFO] [stdout]   --> src/app/music_player/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub struct MusicPlayer {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 9  |     stream:    (OutputStream, OutputStreamHandle),
[INFO] [stdout] 10 |     music_dir: PathBuf,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     state:             PlaybackState,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Playing` and `Paused` are never constructed
[INFO] [stdout]    --> src/app/music_player/mod.rs:135:5
[INFO] [stdout]     |
[INFO] [stdout] 133 | pub enum PlaybackState {
[INFO] [stdout]     |          ------------- variants in this enum
[INFO] [stdout] 134 |     Stopped,
[INFO] [stdout] 135 |     Playing,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 136 |     Paused,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `PlaybackState` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Playing` and `Paused` are never constructed
[INFO] [stdout]    --> src/app/music_player/mod.rs:135:5
[INFO] [stdout]     |
[INFO] [stdout] 133 | pub enum PlaybackState {
[INFO] [stdout]     |          ------------- variants in this enum
[INFO] [stdout] 134 |     Stopped,
[INFO] [stdout] 135 |     Playing,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 136 |     Paused,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `PlaybackState` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.83s
[INFO] running `Command { std: "docker" "inspect" "3fc0579703280d8e3bb8842b01335d82c8495a413030ceffebd44fdd2efd761e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fc0579703280d8e3bb8842b01335d82c8495a413030ceffebd44fdd2efd761e", kill_on_drop: false }`
[INFO] [stdout] 3fc0579703280d8e3bb8842b01335d82c8495a413030ceffebd44fdd2efd761e