[INFO] cloning repository https://github.com/gabriel-nadalin/duvet
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gabriel-nadalin/duvet" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgabriel-nadalin%2Fduvet", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgabriel-nadalin%2Fduvet'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 791eca0442aac28afc4c16b0598469f3af49e733
[INFO] checking gabriel-nadalin/duvet against try#9d63f825c0d409b0e1743a2c84b33f86965e5929 for pr-136968
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgabriel-nadalin%2Fduvet" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gabriel-nadalin/duvet on toolchain 9d63f825c0d409b0e1743a2c84b33f86965e5929
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9d63f825c0d409b0e1743a2c84b33f86965e5929" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gabriel-nadalin/duvet
[INFO] finished tweaking git repo https://github.com/gabriel-nadalin/duvet
[INFO] tweaked toml for git repo https://github.com/gabriel-nadalin/duvet written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/gabriel-nadalin/duvet 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" "+9d63f825c0d409b0e1743a2c84b33f86965e5929" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+9d63f825c0d409b0e1743a2c84b33f86965e5929" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0e427d0c83a29f790f38ac5148ce3d161cd15934eb326684f042cf03d91c5d7d
[INFO] running `Command { std: "docker" "start" "-a" "0e427d0c83a29f790f38ac5148ce3d161cd15934eb326684f042cf03d91c5d7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e427d0c83a29f790f38ac5148ce3d161cd15934eb326684f042cf03d91c5d7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e427d0c83a29f790f38ac5148ce3d161cd15934eb326684f042cf03d91c5d7d", kill_on_drop: false }`
[INFO] [stdout] 0e427d0c83a29f790f38ac5148ce3d161cd15934eb326684f042cf03d91c5d7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+9d63f825c0d409b0e1743a2c84b33f86965e5929" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08c052884d453287d02a677bbe79afd4ccfb4e42528d401f55a32c52dbd1edac
[INFO] running `Command { std: "docker" "start" "-a" "08c052884d453287d02a677bbe79afd4ccfb4e42528d401f55a32c52dbd1edac", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling pkg-config v0.3.30
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]     Checking either v1.12.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking bitflags v2.5.0
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking hound v3.5.1
[INFO] [stderr]     Checking json v0.12.4
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking termion v4.0.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking alsa v0.9.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking midly v0.5.3
[INFO] [stderr]     Checking duvet v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `time`
[INFO] [stdout]   --> src/player.rs:66:49
[INFO] [stdout]    |
[INFO] [stdout] 66 |     pub fn update(&mut self, synth: &mut Synth, time: f64) -> bool {
[INFO] [stdout]    |                                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_time`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `time`
[INFO] [stdout]   --> src/player.rs:66:49
[INFO] [stdout]    |
[INFO] [stdout] 66 |     pub fn update(&mut self, synth: &mut Synth, time: f64) -> bool {
[INFO] [stdout]    |                                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_time`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/player.rs:107:38
[INFO] [stdout]     |
[INFO] [stdout] 107 |     fn handle_key_release(&mut self, key: Key, note: u8, synth: &mut Synth) -> bool {
[INFO] [stdout]     |                                      ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/player.rs:108:63
[INFO] [stdout]     |
[INFO] [stdout] 108 |         if !self.stdin.by_ref().keys().any(|k| matches!(k, Ok(key))) {
[INFO] [stdout]     |                                                               ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/player.rs:107:38
[INFO] [stdout]     |
[INFO] [stdout] 107 |     fn handle_key_release(&mut self, key: Key, note: u8, synth: &mut Synth) -> bool {
[INFO] [stdout]     |                                      ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/player.rs:108:63
[INFO] [stdout]     |
[INFO] [stdout] 108 |         if !self.stdin.by_ref().keys().any(|k| matches!(k, Ok(key))) {
[INFO] [stdout]     |                                                               ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `handle_key_event` is never used
[INFO] [stdout]   --> src/player.rs:99:8
[INFO] [stdout]    |
[INFO] [stdout] 54 | impl KeyboardPlayer {
[INFO] [stdout]    | ------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 99 |     fn handle_key_event(&mut self, key: Key, note: u8, synth: &mut Synth) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `handle_key_event` is never used
[INFO] [stdout]   --> src/player.rs:99:8
[INFO] [stdout]    |
[INFO] [stdout] 54 | impl KeyboardPlayer {
[INFO] [stdout]    | ------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 99 |     fn handle_key_event(&mut self, key: Key, note: u8, synth: &mut Synth) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `player`
[INFO] [stdout]   --> src/bin/main.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let mut player = Player::new_midi(file_path, AudioMode::Play);
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_player`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `player`
[INFO] [stdout]   --> src/bin/main.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let mut player = Player::new_midi(file_path, AudioMode::Play);
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_player`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/main.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let mut player = Player::new_midi(file_path, AudioMode::Play);
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/main.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let mut player = Player::new_midi(file_path, AudioMode::Play);
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.32s
[INFO] running `Command { std: "docker" "inspect" "08c052884d453287d02a677bbe79afd4ccfb4e42528d401f55a32c52dbd1edac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08c052884d453287d02a677bbe79afd4ccfb4e42528d401f55a32c52dbd1edac", kill_on_drop: false }`
[INFO] [stdout] 08c052884d453287d02a677bbe79afd4ccfb4e42528d401f55a32c52dbd1edac