[INFO] updating cached repository https://github.com/ThatsGobbles/fft-analyzer
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/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 try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThatsGobbles%2Ffft-analyzer" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ThatsGobbles/fft-analyzer on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "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 /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/ThatsGobbles/fft-analyzer already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stdout] 06cf6c630a77fdba2f558a3ed9ef0cf4f7a511b52eeefb7c68a505e980aad7fe
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "06cf6c630a77fdba2f558a3ed9ef0cf4f7a511b52eeefb7c68a505e980aad7fe"`
[INFO] [stderr]    Compiling transpose v0.1.0
[INFO] [stderr]    Compiling strength_reduce v0.2.2
[INFO] [stderr]    Compiling hound v3.4.0
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-complex v0.2.3
[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: if this is intentional, prefix it 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: if this is intentional, prefix it with an underscore: `_num_bands`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `locate_band_for_freq`
[INFO] [stderr]    --> src/main.rs:137:4
[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:269:4
[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] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.00s
[INFO] running `"docker" "inspect" "06cf6c630a77fdba2f558a3ed9ef0cf4f7a511b52eeefb7c68a505e980aad7fe"`
[INFO] running `"docker" "rm" "-f" "06cf6c630a77fdba2f558a3ed9ef0cf4f7a511b52eeefb7c68a505e980aad7fe"`
[INFO] [stdout] 06cf6c630a77fdba2f558a3ed9ef0cf4f7a511b52eeefb7c68a505e980aad7fe
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 94cb031fec7853720d5f12695cae958b2074761ae7a1540d5208f1c0f0e177eb
[INFO] running `"docker" "start" "-a" "94cb031fec7853720d5f12695cae958b2074761ae7a1540d5208f1c0f0e177eb"`
[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: if this is intentional, prefix it 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: if this is intentional, prefix it with an underscore: `_num_bands`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `locate_band_for_freq`
[INFO] [stderr]    --> src/main.rs:137:4
[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:269:4
[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] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `"docker" "inspect" "94cb031fec7853720d5f12695cae958b2074761ae7a1540d5208f1c0f0e177eb"`
[INFO] running `"docker" "rm" "-f" "94cb031fec7853720d5f12695cae958b2074761ae7a1540d5208f1c0f0e177eb"`
[INFO] [stdout] 94cb031fec7853720d5f12695cae958b2074761ae7a1540d5208f1c0f0e177eb
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 40c86ece6792334224217391e6ec448d1c1e9dfed3e2578e28a2729c2e924435
[INFO] running `"docker" "start" "-a" "40c86ece6792334224217391e6ec448d1c1e9dfed3e2578e28a2729c2e924435"`
[INFO] [stderr] warning: unused variable: `endpoints`
[INFO] [stderr]    --> src/main.rs:181:9
[INFO] [stderr]     |
[INFO] [stderr] 181 |     let endpoints =
[INFO] [stderr]     |         ^^^^^^^^^ help: if this is intentional, prefix it 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: if this is intentional, prefix it with an underscore: `_num_bands`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `locate_band_for_freq`
[INFO] [stderr]    --> src/main.rs:137:4
[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:269:4
[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] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fft_analyzer-85159d38796a1cf1
[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" "40c86ece6792334224217391e6ec448d1c1e9dfed3e2578e28a2729c2e924435"`
[INFO] running `"docker" "rm" "-f" "40c86ece6792334224217391e6ec448d1c1e9dfed3e2578e28a2729c2e924435"`
[INFO] [stdout] 40c86ece6792334224217391e6ec448d1c1e9dfed3e2578e28a2729c2e924435