[INFO] cloning repository https://github.com/if-loop69420/metrognome
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/if-loop69420/metrognome" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fif-loop69420%2Fmetrognome", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fif-loop69420%2Fmetrognome'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e768399a126e6ad42708120224eb5c9ce9329527
[INFO] checking if-loop69420/metrognome against 165655a2f1981fef27b31c547ad7631979fc5139 for pr-160235
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fif-loop69420%2Fmetrognome" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/if-loop69420/metrognome
[INFO] finished tweaking git repo https://github.com/if-loop69420/metrognome
[INFO] tweaked toml for git repo https://github.com/if-loop69420/metrognome written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/if-loop69420/metrognome on toolchain 165655a2f1981fef27b31c547ad7631979fc5139
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+165655a2f1981fef27b31c547ad7631979fc5139" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/if-loop69420/metrognome 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" "+165655a2f1981fef27b31c547ad7631979fc5139" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded windows-result v0.1.1
[INFO] [stderr]   Downloaded rodio v0.18.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:00c5645b54fe3ce5dae1417175e3c7fb6a6646c021d554ecd63a097b8b9f3602" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] e8616682de9772a97cbcf4e569e5f0c44fdf49cb8ec620387610c65f2f7e6017
[INFO] running `Command { std: "docker" "start" "e8616682de9772a97cbcf4e569e5f0c44fdf49cb8ec620387610c65f2f7e6017", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e8616682de9772a97cbcf4e569e5f0c44fdf49cb8ec620387610c65f2f7e6017", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e8616682de9772a97cbcf4e569e5f0c44fdf49cb8ec620387610c65f2f7e6017" "/opt/rustwide/cargo-home/bin/cargo" "+165655a2f1981fef27b31c547ad7631979fc5139" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e8616682de9772a97cbcf4e569e5f0c44fdf49cb8ec620387610c65f2f7e6017", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e8616682de9772a97cbcf4e569e5f0c44fdf49cb8ec620387610c65f2f7e6017" "/opt/rustwide/cargo-home/bin/cargo" "+165655a2f1981fef27b31c547ad7631979fc5139" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.85
[INFO] [stderr]     Checking bytemuck v1.16.0
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]     Checking encoding_rs v0.8.34
[INFO] [stderr]    Compiling thiserror v1.0.61
[INFO] [stderr]     Checking bitflags v2.5.0
[INFO] [stderr]     Checking lewton v0.10.2
[INFO] [stderr]     Checking symphonia-core v0.5.4
[INFO] [stderr]     Checking alsa v0.9.0
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.66
[INFO] [stderr]     Checking symphonia-metadata v0.5.4
[INFO] [stderr]     Checking cpal v0.15.3
[INFO] [stderr]     Checking symphonia-bundle-mp3 v0.5.4
[INFO] [stderr]     Checking symphonia v0.5.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.61
[INFO] [stderr]     Checking rodio v0.18.1
[INFO] [stderr]     Checking metronome v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Decoder`
[INFO] [stdout]  --> src/main.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rodio::{Decoder, OutputStream, Sink};
[INFO] [stdout]   |             ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process::exit`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::process::exit;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::sync::Arc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::thread;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HashSet` and `ops::Range`
[INFO] [stdout]   --> src/main.rs:10:33
[INFO] [stdout]    |
[INFO] [stdout] 10 |         collections::{BTreeSet, HashSet, VecDeque},
[INFO] [stdout]    |                                 ^^^^^^^
[INFO] [stdout] 11 |         ops::Range,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `()` is not an iterator
[INFO] [stdout]    --> src/main.rs:169:13
[INFO] [stdout]     |
[INFO] [stdout] 169 | /             signatures
[INFO] [stdout] 170 | |                 .iter()
[INFO] [stdout] 171 | |                 .map(|x| {
[INFO] [stdout] 172 | |                     let note_length = (x.bottom / x.top) as f64 * single_note_length;
[INFO] [stdout] ...   |
[INFO] [stdout] 177 | |                 .flatten()
[INFO] [stdout] 178 | |                 .collect()
[INFO] [stdout]     | |__________________________^ `()` is not an iterator
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `Iterator` is not implemented for `()`
[INFO] [stdout]     = note: required for `Flatten<Map<Iter<'_, TimeSignature>, {closure@main.rs:171:22}>>` to implement `Iterator`
[INFO] [stdout]     = note: the full name for the type has been written to '/opt/rustwide/target/debug/build/metronome/cdcf81af35d09ca5/out/metronome-cdcf81af35d09ca5.long-type-16674248022268332460.txt'
[INFO] [stdout]     = note: consider using `--verbose` to print the full type name to the console
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `()` is not an iterator
[INFO] [stdout]    --> src/main.rs:178:18
[INFO] [stdout]     |
[INFO] [stdout] 178 |                 .collect()
[INFO] [stdout]     |                  ^^^^^^^ `()` is not an iterator
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `Iterator` is not implemented for `()`
[INFO] [stdout]     = note: required for `Flatten<Map<Iter<'_, TimeSignature>, {closure@main.rs:171:22}>>` to implement `Iterator`
[INFO] [stdout]     = note: the full name for the type has been written to '/opt/rustwide/target/debug/build/metronome/cdcf81af35d09ca5/out/metronome-cdcf81af35d09ca5.long-type-16674248022268332460.txt'
[INFO] [stdout]     = note: consider using `--verbose` to print the full type name to the console
[INFO] [stdout] help: consider removing this method call, as the receiver has type `Map<std::slice::Iter<'_, metronome::TimeSignature>, {closure@src/main.rs:171:22: 171:25}>` and `Map<std::slice::Iter<'_, metronome::TimeSignature>, {closure@src/main.rs:171:22: 171:25}>: Iterator` trivially holds
[INFO] [stdout]     |
[INFO] [stdout] 176 -                 })
[INFO] [stdout] 177 -                 .flatten()
[INFO] [stdout] 176 +                 })
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `()` is not an iterator
[INFO] [stdout]    --> src/main.rs:177:18
[INFO] [stdout]     |
[INFO] [stdout] 177 |                 .flatten()
[INFO] [stdout]     |                  ^^^^^^^ `()` is not an iterator
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `Iterator` is not implemented for `()`
[INFO] [stdout]     = note: required for `()` to implement `IntoIterator`
[INFO] [stdout] note: required by a bound in `flatten`
[INFO] [stdout]    --> /rustc/165655a2f1981fef27b31c547ad7631979fc5139/library/core/src/iter/traits/iterator.rs:1617:4
[INFO] [stdout] help: consider removing this method call, as the receiver has type `std::slice::Iter<'_, metronome::TimeSignature>` and `std::slice::Iter<'_, metronome::TimeSignature>: Iterator` trivially holds
[INFO] [stdout]     |
[INFO] [stdout] 170 -                 .iter()
[INFO] [stdout] 171 -                 .map(|x| {
[INFO] [stdout] 172 -                     let note_length = (x.bottom / x.top) as f64 * single_note_length;
[INFO] [stdout] 173 -                     let mut time_points: Vec<f64> = Vec::new();
[INFO] [stdout] 174 -                     let mut current_time = 0;
[INFO] [stdout] 175 -                     loop {}
[INFO] [stdout] 176 -                 })
[INFO] [stdout] 170 +                 .iter()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `metronome` (bin "metronome") due to 3 previous errors; 5 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused import: `Decoder`
[INFO] [stdout]  --> src/main.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rodio::{Decoder, OutputStream, Sink};
[INFO] [stdout]   |             ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process::exit`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::process::exit;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::sync::Arc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::thread;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HashSet` and `ops::Range`
[INFO] [stdout]   --> src/main.rs:10:33
[INFO] [stdout]    |
[INFO] [stdout] 10 |         collections::{BTreeSet, HashSet, VecDeque},
[INFO] [stdout]    |                                 ^^^^^^^
[INFO] [stdout] 11 |         ops::Range,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `()` is not an iterator
[INFO] [stdout]    --> src/main.rs:169:13
[INFO] [stdout]     |
[INFO] [stdout] 169 | /             signatures
[INFO] [stdout] 170 | |                 .iter()
[INFO] [stdout] 171 | |                 .map(|x| {
[INFO] [stdout] 172 | |                     let note_length = (x.bottom / x.top) as f64 * single_note_length;
[INFO] [stdout] ...   |
[INFO] [stdout] 177 | |                 .flatten()
[INFO] [stdout] 178 | |                 .collect()
[INFO] [stdout]     | |__________________________^ `()` is not an iterator
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `Iterator` is not implemented for `()`
[INFO] [stdout]     = note: required for `Flatten<Map<Iter<'_, TimeSignature>, {closure@main.rs:171:22}>>` to implement `Iterator`
[INFO] [stdout]     = note: the full name for the type has been written to '/opt/rustwide/target/debug/build/metronome/13fe629c44b3e52d/out/metronome-13fe629c44b3e52d.long-type-886014446831395240.txt'
[INFO] [stdout]     = note: consider using `--verbose` to print the full type name to the console
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `()` is not an iterator
[INFO] [stdout]    --> src/main.rs:178:18
[INFO] [stdout]     |
[INFO] [stdout] 178 |                 .collect()
[INFO] [stdout]     |                  ^^^^^^^ `()` is not an iterator
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `Iterator` is not implemented for `()`
[INFO] [stdout]     = note: required for `Flatten<Map<Iter<'_, TimeSignature>, {closure@main.rs:171:22}>>` to implement `Iterator`
[INFO] [stdout]     = note: the full name for the type has been written to '/opt/rustwide/target/debug/build/metronome/13fe629c44b3e52d/out/metronome-13fe629c44b3e52d.long-type-886014446831395240.txt'
[INFO] [stdout]     = note: consider using `--verbose` to print the full type name to the console
[INFO] [stdout] help: consider removing this method call, as the receiver has type `Map<std::slice::Iter<'_, metronome::TimeSignature>, {closure@src/main.rs:171:22: 171:25}>` and `Map<std::slice::Iter<'_, metronome::TimeSignature>, {closure@src/main.rs:171:22: 171:25}>: Iterator` trivially holds
[INFO] [stdout]     |
[INFO] [stdout] 176 -                 })
[INFO] [stdout] 177 -                 .flatten()
[INFO] [stdout] 176 +                 })
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `()` is not an iterator
[INFO] [stdout]    --> src/main.rs:177:18
[INFO] [stdout]     |
[INFO] [stdout] 177 |                 .flatten()
[INFO] [stdout]     |                  ^^^^^^^ `()` is not an iterator
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `Iterator` is not implemented for `()`
[INFO] [stdout]     = note: required for `()` to implement `IntoIterator`
[INFO] [stdout] note: required by a bound in `flatten`
[INFO] [stdout]    --> /rustc/165655a2f1981fef27b31c547ad7631979fc5139/library/core/src/iter/traits/iterator.rs:1617:4
[INFO] [stdout] help: consider removing this method call, as the receiver has type `std::slice::Iter<'_, metronome::TimeSignature>` and `std::slice::Iter<'_, metronome::TimeSignature>: Iterator` trivially holds
[INFO] [stdout]     |
[INFO] [stdout] 170 -                 .iter()
[INFO] [stdout] 171 -                 .map(|x| {
[INFO] [stdout] 172 -                     let note_length = (x.bottom / x.top) as f64 * single_note_length;
[INFO] [stdout] 173 -                     let mut time_points: Vec<f64> = Vec::new();
[INFO] [stdout] 174 -                     let mut current_time = 0;
[INFO] [stdout] 175 -                     loop {}
[INFO] [stdout] 176 -                 })
[INFO] [stdout] 170 +                 .iter()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `metronome` (bin "metronome" test) due to 3 previous errors; 5 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "e8616682de9772a97cbcf4e569e5f0c44fdf49cb8ec620387610c65f2f7e6017", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8616682de9772a97cbcf4e569e5f0c44fdf49cb8ec620387610c65f2f7e6017", kill_on_drop: false }`
[INFO] [stdout] e8616682de9772a97cbcf4e569e5f0c44fdf49cb8ec620387610c65f2f7e6017
