[INFO] cloning repository https://github.com/Oi-mate/fft_convolution
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Oi-mate/fft_convolution" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOi-mate%2Ffft_convolution", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOi-mate%2Ffft_convolution'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ec33bc71d0963f08eeab0d321a32dd05342f3ee8
[INFO] testing Oi-mate/fft_convolution against 1.75.0 for beta-1.76-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOi-mate%2Ffft_convolution" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Oi-mate/fft_convolution on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
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[INFO] started tweaking git repo https://github.com/Oi-mate/fft_convolution
[INFO] finished tweaking git repo https://github.com/Oi-mate/fft_convolution
[INFO] tweaked toml for git repo https://github.com/Oi-mate/fft_convolution written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Oi-mate/fft_convolution 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d3b8d6795baf42a3a879469f025953af9c1c0542882a407d520dc0c993af2f2a
[INFO] running `Command { std: "docker" "start" "-a" "d3b8d6795baf42a3a879469f025953af9c1c0542882a407d520dc0c993af2f2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3b8d6795baf42a3a879469f025953af9c1c0542882a407d520dc0c993af2f2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3b8d6795baf42a3a879469f025953af9c1c0542882a407d520dc0c993af2f2a", kill_on_drop: false }`
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[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e71b82bbd8a32247b6d582715e6a3f4054d969ef0db9b2f6fe5310e81f3daae3
[INFO] running `Command { std: "docker" "start" "-a" "e71b82bbd8a32247b6d582715e6a3f4054d969ef0db9b2f6fe5310e81f3daae3", kill_on_drop: false }`
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[INFO] [stderr]    Compiling proc-macro2 v1.0.39
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[INFO] [stderr]    Compiling num-integer v0.1.45
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[INFO] [stderr]    Compiling indexmap v1.9.1
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[INFO] [stderr]    Compiling once_cell v1.12.0
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[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling nix v0.23.1
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling num-complex v0.4.2
[INFO] [stderr]    Compiling float-cmp v0.9.0
[INFO] [stderr]    Compiling primal-check v0.3.1
[INFO] [stderr]    Compiling transpose v0.2.1
[INFO] [stderr]    Compiling regex v1.5.6
[INFO] [stderr]    Compiling rustfft v6.0.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling clap_derive v3.2.6
[INFO] [stderr]    Compiling alsa v0.6.0
[INFO] [stderr]    Compiling thiserror v1.0.31
[INFO] [stderr]    Compiling clap v3.2.6
[INFO] [stderr]    Compiling conv v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `convolution` is never used
[INFO] [stdout]  --> src/conv.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn convolution(v1: &Vec<Complex<f64>>, v2: &Vec<Complex<f64>>) -> Vec<Complex<f64>> { // TODO: mutable, parallel, different sizes?
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `slow_complex_multiply` is never used
[INFO] [stdout]   --> src/fast_conv.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn slow_complex_multiply(n1: Complex<f64>, n2: Complex<f64>) -> Complex<f64> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DEFAULT_SAMPLING_FREQ` is never used
[INFO] [stdout]  --> src/snippets.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const DEFAULT_SAMPLING_FREQ: i32 = 44000;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FFT_EFFECTIVE_SIZE` is never used
[INFO] [stdout]  --> src/snippets.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | const FFT_EFFECTIVE_SIZE: i32 = 128; // 2 ^ 6 * 3 ^ 4
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FFT_UNEFFECTIVE_SIZE` is never used
[INFO] [stdout]  --> src/snippets.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | const FFT_UNEFFECTIVE_SIZE: i32 = 5183;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FFT_SIZE_5184` is never used
[INFO] [stdout]  --> src/snippets.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | const FFT_SIZE_5184: i32 = 5184; // 2 ^ 6 * 3 ^ 4
[INFO] [stdout]   |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FFT_SIZE_216` is never used
[INFO] [stdout]  --> src/snippets.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | const FFT_SIZE_216: i32 = 216; // 2^3 * 3^3
[INFO] [stdout]   |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FFT_SIZE_1296` is never used
[INFO] [stdout]  --> src/snippets.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | const FFT_SIZE_1296: i32 = 1296; // 2^4 * 3^4
[INFO] [stdout]   |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TEST_SIZE` is never used
[INFO] [stdout]   --> src/snippets.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | const TEST_SIZE: i32 = 16;
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SAMPLE_LENGTH` is never used
[INFO] [stdout]   --> src/snippets.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 | const SAMPLE_LENGTH: f64 = 1.0 / DEFAULT_SAMPLING_FREQ as f64;
[INFO] [stdout]    |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sin_value` is never used
[INFO] [stdout]   --> src/snippets.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn sin_value(freq: i32, ind: i32, amp: f64, shift: f64) -> f64 {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_mock_buffer` is never used
[INFO] [stdout]   --> src/snippets.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn generate_mock_buffer(amp: f64, freq: i32, shift: f64, size: i32) -> Vec<Complex<f64>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.45s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "e71b82bbd8a32247b6d582715e6a3f4054d969ef0db9b2f6fe5310e81f3daae3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e71b82bbd8a32247b6d582715e6a3f4054d969ef0db9b2f6fe5310e81f3daae3", kill_on_drop: false }`
[INFO] [stdout] e71b82bbd8a32247b6d582715e6a3f4054d969ef0db9b2f6fe5310e81f3daae3
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 068f593245ebc7bb211a016f90eac4c2e9656e83bdaeb9d0c6cdbde484b1d650
[INFO] running `Command { std: "docker" "start" "-a" "068f593245ebc7bb211a016f90eac4c2e9656e83bdaeb9d0c6cdbde484b1d650", kill_on_drop: false }`
[INFO] [stderr]    Compiling conv v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant `DEFAULT_SAMPLING_FREQ` is never used
[INFO] [stdout]  --> src/snippets.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const DEFAULT_SAMPLING_FREQ: i32 = 44000;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FFT_EFFECTIVE_SIZE` is never used
[INFO] [stdout]  --> src/snippets.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | const FFT_EFFECTIVE_SIZE: i32 = 128; // 2 ^ 6 * 3 ^ 4
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FFT_UNEFFECTIVE_SIZE` is never used
[INFO] [stdout]  --> src/snippets.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | const FFT_UNEFFECTIVE_SIZE: i32 = 5183;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FFT_SIZE_5184` is never used
[INFO] [stdout]  --> src/snippets.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | const FFT_SIZE_5184: i32 = 5184; // 2 ^ 6 * 3 ^ 4
[INFO] [stdout]   |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FFT_SIZE_216` is never used
[INFO] [stdout]  --> src/snippets.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | const FFT_SIZE_216: i32 = 216; // 2^3 * 3^3
[INFO] [stdout]   |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FFT_SIZE_1296` is never used
[INFO] [stdout]  --> src/snippets.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | const FFT_SIZE_1296: i32 = 1296; // 2^4 * 3^4
[INFO] [stdout]   |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TEST_SIZE` is never used
[INFO] [stdout]   --> src/snippets.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | const TEST_SIZE: i32 = 16;
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SAMPLE_LENGTH` is never used
[INFO] [stdout]   --> src/snippets.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 | const SAMPLE_LENGTH: f64 = 1.0 / DEFAULT_SAMPLING_FREQ as f64;
[INFO] [stdout]    |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sin_value` is never used
[INFO] [stdout]   --> src/snippets.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn sin_value(freq: i32, ind: i32, amp: f64, shift: f64) -> f64 {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_mock_buffer` is never used
[INFO] [stdout]   --> src/snippets.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn generate_mock_buffer(amp: f64, freq: i32, shift: f64, size: i32) -> Vec<Complex<f64>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.35s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "068f593245ebc7bb211a016f90eac4c2e9656e83bdaeb9d0c6cdbde484b1d650", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "068f593245ebc7bb211a016f90eac4c2e9656e83bdaeb9d0c6cdbde484b1d650", kill_on_drop: false }`
[INFO] [stdout] 068f593245ebc7bb211a016f90eac4c2e9656e83bdaeb9d0c6cdbde484b1d650
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 32515f5315272e446d1a49ea6fb73b4165a130b4fea54fa4b57c33637460d6a8
[INFO] running `Command { std: "docker" "start" "-a" "32515f5315272e446d1a49ea6fb73b4165a130b4fea54fa4b57c33637460d6a8", kill_on_drop: false }`
[INFO] [stderr] warning: constant `DEFAULT_SAMPLING_FREQ` is never used
[INFO] [stderr]  --> src/snippets.rs:4:7
[INFO] [stderr]   |
[INFO] [stderr] 4 | const DEFAULT_SAMPLING_FREQ: i32 = 44000;
[INFO] [stderr]   |       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `FFT_EFFECTIVE_SIZE` is never used
[INFO] [stderr]  --> src/snippets.rs:5:7
[INFO] [stderr]   |
[INFO] [stderr] 5 | const FFT_EFFECTIVE_SIZE: i32 = 128; // 2 ^ 6 * 3 ^ 4
[INFO] [stderr]   |       ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `FFT_UNEFFECTIVE_SIZE` is never used
[INFO] [stderr]  --> src/snippets.rs:6:7
[INFO] [stderr]   |
[INFO] [stderr] 6 | const FFT_UNEFFECTIVE_SIZE: i32 = 5183;
[INFO] [stderr]   |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `FFT_SIZE_5184` is never used
[INFO] [stderr]  --> src/snippets.rs:7:7
[INFO] [stderr]   |
[INFO] [stderr] 7 | const FFT_SIZE_5184: i32 = 5184; // 2 ^ 6 * 3 ^ 4
[INFO] [stderr]   |       ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `FFT_SIZE_216` is never used
[INFO] [stderr]  --> src/snippets.rs:8:7
[INFO] [stderr]   |
[INFO] [stderr] 8 | const FFT_SIZE_216: i32 = 216; // 2^3 * 3^3
[INFO] [stderr]   |       ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `FFT_SIZE_1296` is never used
[INFO] [stderr]  --> src/snippets.rs:9:7
[INFO] [stderr]   |
[INFO] [stderr] 9 | const FFT_SIZE_1296: i32 = 1296; // 2^4 * 3^4
[INFO] [stderr]   |       ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `TEST_SIZE` is never used
[INFO] [stderr]   --> src/snippets.rs:10:7
[INFO] [stderr]    |
[INFO] [stderr] 10 | const TEST_SIZE: i32 = 16;
[INFO] [stderr]    |       ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `SAMPLE_LENGTH` is never used
[INFO] [stderr]   --> src/snippets.rs:11:7
[INFO] [stderr]    |
[INFO] [stderr] 11 | const SAMPLE_LENGTH: f64 = 1.0 / DEFAULT_SAMPLING_FREQ as f64;
[INFO] [stderr]    |       ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `sin_value` is never used
[INFO] [stderr]   --> src/snippets.rs:14:4
[INFO] [stderr]    |
[INFO] [stderr] 14 | fn sin_value(freq: i32, ind: i32, amp: f64, shift: f64) -> f64 {
[INFO] [stderr]    |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `generate_mock_buffer` is never used
[INFO] [stderr]   --> src/snippets.rs:18:4
[INFO] [stderr]    |
[INFO] [stderr] 18 | fn generate_mock_buffer(amp: f64, freq: i32, shift: f64, size: i32) -> Vec<Complex<f64>> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `conv` (bin "conv" test) generated 10 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/conv-cf84c7b31b18a00e)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test::tests::fast_complex_multiplication_works ... ok
[INFO] [stdout] test test::tests::convs_are_equal ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "32515f5315272e446d1a49ea6fb73b4165a130b4fea54fa4b57c33637460d6a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32515f5315272e446d1a49ea6fb73b4165a130b4fea54fa4b57c33637460d6a8", kill_on_drop: false }`
[INFO] [stdout] 32515f5315272e446d1a49ea6fb73b4165a130b4fea54fa4b57c33637460d6a8