[INFO] cloning repository https://github.com/Christian-Schefe/musicgen
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2b55d067c65289fdf3ed2c11691802c4a9367d97
[INFO] building Christian-Schefe/musicgen against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChristian-Schefe%2Fmusicgen" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
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[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Christian-Schefe/musicgen
[INFO] finished tweaking git repo https://github.com/Christian-Schefe/musicgen
[INFO] tweaked toml for git repo https://github.com/Christian-Schefe/musicgen written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Christian-Schefe/musicgen on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
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[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]    Compiling musicgen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `SynthEffect` is never constructed
[INFO] [stdout]    --> src/playback/synth.rs:316:12
[INFO] [stdout]     |
[INFO] [stdout] 316 | pub struct SynthEffect<F, T>
[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 function `new` is never used
[INFO] [stdout]    --> src/playback/synth.rs:344:12
[INFO] [stdout]     |
[INFO] [stdout] 339 | / impl<F, T> SynthEffect<F, T>
[INFO] [stdout] 340 | | where
[INFO] [stdout] 341 | |     F: Fn() -> T,
[INFO] [stdout] 342 | |     T: AudioUnit64,
[INFO] [stdout]     | |___________________- associated function in this implementation
[INFO] [stdout] 343 |   {
[INFO] [stdout] 344 |       pub fn new(synth: Box<dyn Synth>, effect: F) -> Self {
[INFO] [stdout]     |              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SynthLayer` is never constructed
[INFO] [stdout]    --> src/playback/synth.rs:349:12
[INFO] [stdout]     |
[INFO] [stdout] 349 | pub struct SynthLayer {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new` and `mix_layer` are never used
[INFO] [stdout]    --> src/playback/synth.rs:367:12
[INFO] [stdout]     |
[INFO] [stdout] 366 | impl SynthLayer {
[INFO] [stdout]     | --------------- associated functions in this implementation
[INFO] [stdout] 367 |     pub fn new(layers: Vec<(Box<dyn Synth>, f64)>) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 370 |     fn mix_layer(synth: Net64, layer: &(Box<dyn Synth>, f64)) -> Net64 {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `keys_synth` is never used
[INFO] [stdout]    --> src/playback/synth.rs:375:8
[INFO] [stdout]     |
[INFO] [stdout] 375 | pub fn keys_synth(volume: f64) -> impl Synth {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sustain_keys_synth` is never used
[INFO] [stdout]    --> src/playback/synth.rs:403:8
[INFO] [stdout]     |
[INFO] [stdout] 403 | pub fn sustain_keys_synth(volume: f64) -> impl Synth {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Piano` is never constructed
[INFO] [stdout]    --> src/score.rs:132:5
[INFO] [stdout]     |
[INFO] [stdout] 131 | pub enum Dynamic {
[INFO] [stdout]     |          ------- variant in this enum
[INFO] [stdout] 132 |     Piano,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Dynamic` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 34.47s
[INFO] running `Command { std: "docker" "inspect" "87e1489de17a083f8f486c92e37f04755a2ccd2b514ce2947804300f85c7f582", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87e1489de17a083f8f486c92e37f04755a2ccd2b514ce2947804300f85c7f582", kill_on_drop: false }`
[INFO] [stdout] 87e1489de17a083f8f486c92e37f04755a2ccd2b514ce2947804300f85c7f582
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6abaf6cb6c05b9b34d2cd9e61fcbd553313268b69b2cb1b0fcacd8c07fa69a65
[INFO] running `Command { std: "docker" "start" "-a" "6abaf6cb6c05b9b34d2cd9e61fcbd553313268b69b2cb1b0fcacd8c07fa69a65", kill_on_drop: false }`
[INFO] [stderr]    Compiling musicgen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `SynthEffect` is never constructed
[INFO] [stdout]    --> src/playback/synth.rs:316:12
[INFO] [stdout]     |
[INFO] [stdout] 316 | pub struct SynthEffect<F, T>
[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 function `new` is never used
[INFO] [stdout]    --> src/playback/synth.rs:344:12
[INFO] [stdout]     |
[INFO] [stdout] 339 | / impl<F, T> SynthEffect<F, T>
[INFO] [stdout] 340 | | where
[INFO] [stdout] 341 | |     F: Fn() -> T,
[INFO] [stdout] 342 | |     T: AudioUnit64,
[INFO] [stdout]     | |___________________- associated function in this implementation
[INFO] [stdout] 343 |   {
[INFO] [stdout] 344 |       pub fn new(synth: Box<dyn Synth>, effect: F) -> Self {
[INFO] [stdout]     |              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SynthLayer` is never constructed
[INFO] [stdout]    --> src/playback/synth.rs:349:12
[INFO] [stdout]     |
[INFO] [stdout] 349 | pub struct SynthLayer {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new` and `mix_layer` are never used
[INFO] [stdout]    --> src/playback/synth.rs:367:12
[INFO] [stdout]     |
[INFO] [stdout] 366 | impl SynthLayer {
[INFO] [stdout]     | --------------- associated functions in this implementation
[INFO] [stdout] 367 |     pub fn new(layers: Vec<(Box<dyn Synth>, f64)>) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 370 |     fn mix_layer(synth: Net64, layer: &(Box<dyn Synth>, f64)) -> Net64 {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `keys_synth` is never used
[INFO] [stdout]    --> src/playback/synth.rs:375:8
[INFO] [stdout]     |
[INFO] [stdout] 375 | pub fn keys_synth(volume: f64) -> impl Synth {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sustain_keys_synth` is never used
[INFO] [stdout]    --> src/playback/synth.rs:403:8
[INFO] [stdout]     |
[INFO] [stdout] 403 | pub fn sustain_keys_synth(volume: f64) -> impl Synth {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Piano` is never constructed
[INFO] [stdout]    --> src/score.rs:132:5
[INFO] [stdout]     |
[INFO] [stdout] 131 | pub enum Dynamic {
[INFO] [stdout]     |          ------- variant in this enum
[INFO] [stdout] 132 |     Piano,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Dynamic` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "6abaf6cb6c05b9b34d2cd9e61fcbd553313268b69b2cb1b0fcacd8c07fa69a65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6abaf6cb6c05b9b34d2cd9e61fcbd553313268b69b2cb1b0fcacd8c07fa69a65", kill_on_drop: false }`
[INFO] [stdout] 6abaf6cb6c05b9b34d2cd9e61fcbd553313268b69b2cb1b0fcacd8c07fa69a65
