[INFO] updating cached repository https://github.com/ThatsGobbles/fft-analyzer
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0f40b95b65090705a551f421d40e509e9476e243
[INFO] testing ThatsGobbles/fft-analyzer against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FThatsGobbles%2Ffft-analyzer" "work/builds/worker-10/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ThatsGobbles/fft-analyzer on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/ThatsGobbles/fft-analyzer
[INFO] finished tweaking git repo https://github.com/ThatsGobbles/fft-analyzer
[INFO] tweaked toml for git repo https://github.com/ThatsGobbles/fft-analyzer written to work/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/ThatsGobbles/fft-analyzer already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] b5003a9100c74d47f3c40e586fff0ebf2bcc43120b95d1e96fc97a825313cecb
[INFO] running `"docker" "start" "-a" "b5003a9100c74d47f3c40e586fff0ebf2bcc43120b95d1e96fc97a825313cecb"`
[INFO] [stderr]    Compiling transpose v0.1.0
[INFO] [stderr]    Compiling strength_reduce v0.2.2
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling rustfft v3.0.0
[INFO] [stderr]    Compiling fft-analyzer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `endpoints`
[INFO] [stderr]    --> src/main.rs:181:9
[INFO] [stderr]     |
[INFO] [stderr] 181 |     let endpoints =
[INFO] [stderr]     |         ^^^^^^^^^ help: consider prefixing with an underscore: `_endpoints`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `num_bands`
[INFO] [stderr]    --> src/main.rs:269:53
[INFO] [stderr]     |
[INFO] [stderr] 269 | fn separate_freq_bands(fft_output: &[Complex<f32>], num_bands: usize, output_buffer: &mut [f32]) -> Result<(), &'static str> {
[INFO] [stderr]     |                                                     ^^^^^^^^^ help: consider prefixing with an underscore: `_num_bands`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `locate_band_for_freq`
[INFO] [stderr]    --> src/main.rs:137:1
[INFO] [stderr]     |
[INFO] [stderr] 137 | fn locate_band_for_freq(target_freq: u32, band_intervals: &[f32]) -> Option<usize> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `separate_freq_bands`
[INFO] [stderr]    --> src/main.rs:269:1
[INFO] [stderr]     |
[INFO] [stderr] 269 | fn separate_freq_bands(fft_output: &[Complex<f32>], num_bands: usize, output_buffer: &mut [f32]) -> Result<(), &'static str> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.80s
[INFO] running `"docker" "inspect" "b5003a9100c74d47f3c40e586fff0ebf2bcc43120b95d1e96fc97a825313cecb"`
[INFO] running `"docker" "rm" "-f" "b5003a9100c74d47f3c40e586fff0ebf2bcc43120b95d1e96fc97a825313cecb"`
[INFO] [stdout] b5003a9100c74d47f3c40e586fff0ebf2bcc43120b95d1e96fc97a825313cecb
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] d17b5f92b679696b9115c73a301fa9ff749115c4bd6937ef626ff327a12053b3
[INFO] running `"docker" "start" "-a" "d17b5f92b679696b9115c73a301fa9ff749115c4bd6937ef626ff327a12053b3"`
[INFO] [stderr]    Compiling fft-analyzer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `endpoints`
[INFO] [stderr]    --> src/main.rs:181:9
[INFO] [stderr]     |
[INFO] [stderr] 181 |     let endpoints =
[INFO] [stderr]     |         ^^^^^^^^^ help: consider prefixing with an underscore: `_endpoints`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `num_bands`
[INFO] [stderr]    --> src/main.rs:269:53
[INFO] [stderr]     |
[INFO] [stderr] 269 | fn separate_freq_bands(fft_output: &[Complex<f32>], num_bands: usize, output_buffer: &mut [f32]) -> Result<(), &'static str> {
[INFO] [stderr]     |                                                     ^^^^^^^^^ help: consider prefixing with an underscore: `_num_bands`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `locate_band_for_freq`
[INFO] [stderr]    --> src/main.rs:137:1
[INFO] [stderr]     |
[INFO] [stderr] 137 | fn locate_band_for_freq(target_freq: u32, band_intervals: &[f32]) -> Option<usize> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `separate_freq_bands`
[INFO] [stderr]    --> src/main.rs:269:1
[INFO] [stderr]     |
[INFO] [stderr] 269 | fn separate_freq_bands(fft_output: &[Complex<f32>], num_bands: usize, output_buffer: &mut [f32]) -> Result<(), &'static str> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `"docker" "inspect" "d17b5f92b679696b9115c73a301fa9ff749115c4bd6937ef626ff327a12053b3"`
[INFO] running `"docker" "rm" "-f" "d17b5f92b679696b9115c73a301fa9ff749115c4bd6937ef626ff327a12053b3"`
[INFO] [stdout] d17b5f92b679696b9115c73a301fa9ff749115c4bd6937ef626ff327a12053b3
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] 4b2db1b4b2108a38982cb86fb30e4cca0f78f0676d14b9636f7d11846b09dd1b
[INFO] running `"docker" "start" "-a" "4b2db1b4b2108a38982cb86fb30e4cca0f78f0676d14b9636f7d11846b09dd1b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fft_analyzer-ac24e50f6855dcaa
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "4b2db1b4b2108a38982cb86fb30e4cca0f78f0676d14b9636f7d11846b09dd1b"`
[INFO] running `"docker" "rm" "-f" "4b2db1b4b2108a38982cb86fb30e4cca0f78f0676d14b9636f7d11846b09dd1b"`
[INFO] [stdout] 4b2db1b4b2108a38982cb86fb30e4cca0f78f0676d14b9636f7d11846b09dd1b