[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] testing if-loop69420/metrognome against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fif-loop69420%2Fmetrognome" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/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-4-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/if-loop69420/metrognome on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1de1e8af7b9e2dbcbdbfab894012b5814c6818c216d545c238b2c676e881b916 [INFO] running `Command { std: "docker" "start" "-a" "1de1e8af7b9e2dbcbdbfab894012b5814c6818c216d545c238b2c676e881b916", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1de1e8af7b9e2dbcbdbfab894012b5814c6818c216d545c238b2c676e881b916", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1de1e8af7b9e2dbcbdbfab894012b5814c6818c216d545c238b2c676e881b916", kill_on_drop: false }` [INFO] [stdout] 1de1e8af7b9e2dbcbdbfab894012b5814c6818c216d545c238b2c676e881b916 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3ce340891aaa29eab2760b1a669ed303e013acc77807305a1d61c99e730e677e [INFO] running `Command { std: "docker" "start" "-a" "3ce340891aaa29eab2760b1a669ed303e013acc77807305a1d61c99e730e677e", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.85 [INFO] [stderr] Compiling alsa-sys v0.3.1 [INFO] [stderr] Compiling bytemuck v1.16.0 [INFO] [stderr] Compiling bitflags v2.5.0 [INFO] [stderr] Compiling cpal v0.15.3 [INFO] [stderr] Compiling dasp_sample v0.11.0 [INFO] [stderr] Compiling hound v3.5.1 [INFO] [stderr] Compiling claxon v0.4.3 [INFO] [stderr] Compiling ogg v0.8.0 [INFO] [stderr] Compiling symphonia-core v0.5.4 [INFO] [stderr] Compiling lewton v0.10.2 [INFO] [stderr] Compiling alsa v0.9.0 [INFO] [stderr] Compiling quote v1.0.36 [INFO] [stderr] Compiling syn v2.0.66 [INFO] [stderr] Compiling symphonia-metadata v0.5.4 [INFO] [stderr] Compiling symphonia-bundle-mp3 v0.5.4 [INFO] [stderr] Compiling symphonia v0.5.4 [INFO] [stderr] Compiling thiserror-impl v1.0.61 [INFO] [stderr] Compiling thiserror v1.0.61 [INFO] [stderr] Compiling rodio v0.18.1 [INFO] [stderr] Compiling 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: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, {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/deps/metronome-ada39ca3aaf5ac76.long-type-5344881084288370281.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, {closure@src/main.rs:171:22: 171:25}>` and `Map, {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/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/iter/traits/iterator.rs:1556:5 [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 = 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 2 previous errors; 5 warnings emitted [INFO] running `Command { std: "docker" "inspect" "3ce340891aaa29eab2760b1a669ed303e013acc77807305a1d61c99e730e677e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3ce340891aaa29eab2760b1a669ed303e013acc77807305a1d61c99e730e677e", kill_on_drop: false }` [INFO] [stdout] 3ce340891aaa29eab2760b1a669ed303e013acc77807305a1d61c99e730e677e