[INFO] cloning repository https://github.com/Nyrox/mod-synth
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Nyrox/mod-synth" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNyrox%2Fmod-synth", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNyrox%2Fmod-synth'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d78721c505276b1cb0ef6626aa12efed3c0dcdae
[INFO] checking Nyrox/mod-synth against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNyrox%2Fmod-synth" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Nyrox/mod-synth
[INFO] finished tweaking git repo https://github.com/Nyrox/mod-synth
[INFO] tweaked toml for git repo https://github.com/Nyrox/mod-synth written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Nyrox/mod-synth on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Nyrox/mod-synth 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded coreaudio-sys v0.2.2
[INFO] [stderr]   Downloaded utf8-ranges v1.0.3
[INFO] [stderr]   Downloaded quote v0.4.2
[INFO] [stderr]   Downloaded env_logger v0.4.3
[INFO] [stderr]   Downloaded memchr v1.0.2
[INFO] [stderr]   Downloaded cexpr v0.2.3
[INFO] [stderr]   Downloaded termion v1.5.3
[INFO] [stderr]   Downloaded clang-sys v0.21.2
[INFO] [stderr]   Downloaded bindgen v0.32.3
[INFO] [stderr]   Downloaded nom v3.2.1
[INFO] [stderr]   Downloaded libloading v0.4.3
[INFO] [stderr]   Downloaded log v0.3.9
[INFO] [stderr]   Downloaded proc-macro2 v0.2.3
[INFO] [stderr]   Downloaded which v1.0.5
[INFO] [stderr]   Downloaded cpal v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] acda0076bf9a3d66880070fe03a3f23bc799939f8c1b7ca20c5c72c6bbe48a80
[INFO] running `Command { std: "docker" "start" "-a" "acda0076bf9a3d66880070fe03a3f23bc799939f8c1b7ca20c5c72c6bbe48a80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "acda0076bf9a3d66880070fe03a3f23bc799939f8c1b7ca20c5c72c6bbe48a80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acda0076bf9a3d66880070fe03a3f23bc799939f8c1b7ca20c5c72c6bbe48a80", kill_on_drop: false }`
[INFO] [stdout] acda0076bf9a3d66880070fe03a3f23bc799939f8c1b7ca20c5c72c6bbe48a80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 220b1609a6ca43809a77f4a7e4926bfabb30a53dfbddf182d40b4f74fe53e618
[INFO] running `Command { std: "docker" "start" "-a" "220b1609a6ca43809a77f4a7e4926bfabb30a53dfbddf182d40b4f74fe53e618", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]     Checking cpal v0.9.0
[INFO] [stderr]     Checking mod-synth v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/synth/waves.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     (2.0 * ((t * freq + offset) - (t * freq + offset + 0.5).floor()))
[INFO] [stdout]    |     ^                                                               ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 12 -     (2.0 * ((t * freq + offset) - (t * freq + offset + 0.5).floor()))
[INFO] [stdout] 12 +     2.0 * ((t * freq + offset) - (t * freq + offset + 0.5).floor()) 
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::constants::*`
[INFO] [stdout]  --> src/synth/nodes.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::constants::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/synth/waves.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     (2.0 * ((t * freq + offset) - (t * freq + offset + 0.5).floor()))
[INFO] [stdout]    |     ^                                                               ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 12 -     (2.0 * ((t * freq + offset) - (t * freq + offset + 0.5).floor()))
[INFO] [stdout] 12 +     2.0 * ((t * freq + offset) - (t * freq + offset + 0.5).floor()) 
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::constants::*`
[INFO] [stdout]  --> src/synth/nodes.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::constants::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `sample_rate` is never read
[INFO] [stdout]  --> src/synth/nodes.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct SamplingContext {
[INFO] [stdout]   |            --------------- field in this struct
[INFO] [stdout] 6 |     pub clock: f32,
[INFO] [stdout] 7 |     pub sample_rate: f32,
[INFO] [stdout]   |         ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `SamplingContext` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Sine`, `Square`, and `Triangle` are never constructed
[INFO] [stdout]   --> src/synth/nodes.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub enum WaveType {
[INFO] [stdout]    |          -------- variants in this enum
[INFO] [stdout] 15 |     Sine,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 16 |     Square,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 17 |     Sawtooth,
[INFO] [stdout] 18 |     Triangle
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `sample_rate` is never read
[INFO] [stdout]  --> src/synth/nodes.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct SamplingContext {
[INFO] [stdout]   |            --------------- field in this struct
[INFO] [stdout] 6 |     pub clock: f32,
[INFO] [stdout] 7 |     pub sample_rate: f32,
[INFO] [stdout]   |         ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `SamplingContext` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Sine`, `Square`, and `Triangle` are never constructed
[INFO] [stdout]   --> src/synth/nodes.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub enum WaveType {
[INFO] [stdout]    |          -------- variants in this enum
[INFO] [stdout] 15 |     Sine,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 16 |     Square,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 17 |     Sawtooth,
[INFO] [stdout] 18 |     Triangle
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Sum` is never constructed
[INFO] [stdout]   --> src/synth/nodes.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub struct Sum {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Sum` is never constructed
[INFO] [stdout]   --> src/synth/nodes.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub struct Sum {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.63s
[INFO] running `Command { std: "docker" "inspect" "220b1609a6ca43809a77f4a7e4926bfabb30a53dfbddf182d40b4f74fe53e618", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "220b1609a6ca43809a77f4a7e4926bfabb30a53dfbddf182d40b4f74fe53e618", kill_on_drop: false }`
[INFO] [stdout] 220b1609a6ca43809a77f4a7e4926bfabb30a53dfbddf182d40b4f74fe53e618