[INFO] cloning repository https://github.com/tikaradate/syn2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tikaradate/syn2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftikaradate%2Fsyn2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftikaradate%2Fsyn2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 29dfd6502898963d5e6a62b622aa41c2b2236bb7
[INFO] testing tikaradate/syn2 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftikaradate%2Fsyn2" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tikaradate/syn2
[INFO] finished tweaking git repo https://github.com/tikaradate/syn2
[INFO] tweaked toml for git repo https://github.com/tikaradate/syn2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tikaradate/syn2 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/tikaradate/syn2 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] baa270c8a66667c39bb214a2ecdb544dec7e71fd7025ca71cef9a247ceccefdb
[INFO] running `Command { std: "docker" "start" "-a" "baa270c8a66667c39bb214a2ecdb544dec7e71fd7025ca71cef9a247ceccefdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "baa270c8a66667c39bb214a2ecdb544dec7e71fd7025ca71cef9a247ceccefdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "baa270c8a66667c39bb214a2ecdb544dec7e71fd7025ca71cef9a247ceccefdb", kill_on_drop: false }`
[INFO] [stdout] baa270c8a66667c39bb214a2ecdb544dec7e71fd7025ca71cef9a247ceccefdb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 683a8d494cfcaca805ed7d39636c55d582949669eb2b5a0657027b5552944ae2
[INFO] running `Command { std: "docker" "start" "-a" "683a8d494cfcaca805ed7d39636c55d582949669eb2b5a0657027b5552944ae2", kill_on_drop: false }`
[INFO] [stderr]    Compiling hound v3.5.1
[INFO] [stderr]    Compiling syn2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `phoneme::generate_phoneme`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use phoneme::generate_phoneme;
[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: `phoneme::generate_square_phoneme`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use phoneme::generate_square_phoneme;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_phoneme_wave` is never used
[INFO] [stdout]   --> src/phoneme/mod.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn generate_phoneme_wave<F>(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_phoneme` is never used
[INFO] [stdout]   --> src/phoneme/mod.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub fn generate_phoneme(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_square_phoneme` is never used
[INFO] [stdout]   --> src/phoneme/mod.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub fn generate_square_phoneme(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_square_wave` is never used
[INFO] [stdout]   --> src/phoneme/wave.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn generate_square_wave(frequency: f32, duration: f32, sample_rate: u32) -> Vec<f32> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "683a8d494cfcaca805ed7d39636c55d582949669eb2b5a0657027b5552944ae2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "683a8d494cfcaca805ed7d39636c55d582949669eb2b5a0657027b5552944ae2", kill_on_drop: false }`
[INFO] [stdout] 683a8d494cfcaca805ed7d39636c55d582949669eb2b5a0657027b5552944ae2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c3e983e86068e67768c0d49eb7ba1ac61e10146b9757249893d237a4cb66fa01
[INFO] running `Command { std: "docker" "start" "-a" "c3e983e86068e67768c0d49eb7ba1ac61e10146b9757249893d237a4cb66fa01", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `phoneme::generate_phoneme`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use phoneme::generate_phoneme;
[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: `phoneme::generate_square_phoneme`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use phoneme::generate_square_phoneme;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_phoneme_wave` is never used
[INFO] [stdout]   --> src/phoneme/mod.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn generate_phoneme_wave<F>(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_phoneme` is never used
[INFO] [stdout]   --> src/phoneme/mod.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub fn generate_phoneme(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_square_phoneme` is never used
[INFO] [stdout]   --> src/phoneme/mod.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub fn generate_square_phoneme(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_square_wave` is never used
[INFO] [stdout]   --> src/phoneme/wave.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn generate_square_wave(frequency: f32, duration: f32, sample_rate: u32) -> Vec<f32> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "c3e983e86068e67768c0d49eb7ba1ac61e10146b9757249893d237a4cb66fa01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3e983e86068e67768c0d49eb7ba1ac61e10146b9757249893d237a4cb66fa01", kill_on_drop: false }`
[INFO] [stdout] c3e983e86068e67768c0d49eb7ba1ac61e10146b9757249893d237a4cb66fa01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dcdca8982577d7b6a874136f3f6f6818998846965a731c32f8611109ee937c61
[INFO] running `Command { std: "docker" "start" "-a" "dcdca8982577d7b6a874136f3f6f6818998846965a731c32f8611109ee937c61", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `phoneme::generate_phoneme`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use phoneme::generate_phoneme;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `phoneme::generate_square_phoneme`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use phoneme::generate_square_phoneme;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `generate_phoneme_wave` is never used
[INFO] [stderr]   --> src/phoneme/mod.rs:11:8
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub fn generate_phoneme_wave<F>(
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `generate_phoneme` is never used
[INFO] [stderr]   --> src/phoneme/mod.rs:34:8
[INFO] [stderr]    |
[INFO] [stderr] 34 | pub fn generate_phoneme(
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `generate_square_phoneme` is never used
[INFO] [stderr]   --> src/phoneme/mod.rs:44:8
[INFO] [stderr]    |
[INFO] [stderr] 44 | pub fn generate_square_phoneme(
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `generate_square_wave` is never used
[INFO] [stderr]   --> src/phoneme/wave.rs:13:8
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub fn generate_square_wave(frequency: f32, duration: f32, sample_rate: u32) -> Vec<f32> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `syn2` (bin "syn2" test) generated 6 warnings (run `cargo fix --bin "syn2" --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/syn2-eee2db300013a785)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dcdca8982577d7b6a874136f3f6f6818998846965a731c32f8611109ee937c61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcdca8982577d7b6a874136f3f6f6818998846965a731c32f8611109ee937c61", kill_on_drop: false }`
[INFO] [stdout] dcdca8982577d7b6a874136f3f6f6818998846965a731c32f8611109ee937c61