[INFO] updating cached repository https://github.com/alexey-detr/fft-codecs-research
[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] 9c2795440c9813e4bed6bef3402092fffd5cb4ae
[INFO] testing alexey-detr/fft-codecs-research against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexey-detr%2Ffft-codecs-research" "work/builds/worker-7/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alexey-detr/fft-codecs-research on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/alexey-detr/fft-codecs-research
[INFO] finished tweaking git repo https://github.com/alexey-detr/fft-codecs-research
[INFO] tweaked toml for git repo https://github.com/alexey-detr/fft-codecs-research written to work/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/alexey-detr/fft-codecs-research already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /big/crater/work/builds/worker-7/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/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" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 7ffd3eb4444aca18f448ab59ac1572cf14bf87018e5f95f7175927d3ddcdfedb
[INFO] running `"docker" "start" "-a" "7ffd3eb4444aca18f448ab59ac1572cf14bf87018e5f95f7175927d3ddcdfedb"`
[INFO] [stderr]    Compiling rustfft v0.0.3
[INFO] [stderr]    Compiling fft-codecs-research v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]   --> src/wav.rs:71:18
[INFO] [stderr]    |
[INFO] [stderr] 71 | pub fn read_data(path: &Path) {
[INFO] [stderr]    |                  ^^^^ help: consider prefixing with an underscore: `_path`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `read_data`
[INFO] [stderr]   --> src/wav.rs:71:1
[INFO] [stderr]    |
[INFO] [stderr] 71 | pub fn read_data(path: &Path) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `test_name`
[INFO] [stderr]  --> src/codec.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     test_name: &'static str,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `name`
[INFO] [stderr]  --> src/codec.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     name: &'static str,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `bitrate_template`
[INFO] [stderr]  --> src/codec.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     bitrate_template: &'static str,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `mode_template`
[INFO] [stderr]  --> src/codec.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     mode_template: &'static str,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `decoding_flag`
[INFO] [stderr]   --> src/codec.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     decoding_flag: &'static str,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.10s
[INFO] running `"docker" "inspect" "7ffd3eb4444aca18f448ab59ac1572cf14bf87018e5f95f7175927d3ddcdfedb"`
[INFO] running `"docker" "rm" "-f" "7ffd3eb4444aca18f448ab59ac1572cf14bf87018e5f95f7175927d3ddcdfedb"`
[INFO] [stdout] 7ffd3eb4444aca18f448ab59ac1572cf14bf87018e5f95f7175927d3ddcdfedb
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/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" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] f71df99e3fd783531832cdefdd9d5f08631a8c9e4aa8d0bcaf92636e52675057
[INFO] running `"docker" "start" "-a" "f71df99e3fd783531832cdefdd9d5f08631a8c9e4aa8d0bcaf92636e52675057"`
[INFO] [stderr]    Compiling fft-codecs-research v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]   --> src/wav.rs:71:18
[INFO] [stderr]    |
[INFO] [stderr] 71 | pub fn read_data(path: &Path) {
[INFO] [stderr]    |                  ^^^^ help: consider prefixing with an underscore: `_path`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `read_data`
[INFO] [stderr]   --> src/wav.rs:71:1
[INFO] [stderr]    |
[INFO] [stderr] 71 | pub fn read_data(path: &Path) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `test_name`
[INFO] [stderr]  --> src/codec.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     test_name: &'static str,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `name`
[INFO] [stderr]  --> src/codec.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     name: &'static str,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `bitrate_template`
[INFO] [stderr]  --> src/codec.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     bitrate_template: &'static str,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `mode_template`
[INFO] [stderr]  --> src/codec.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     mode_template: &'static str,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `decoding_flag`
[INFO] [stderr]   --> src/codec.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     decoding_flag: &'static str,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `"docker" "inspect" "f71df99e3fd783531832cdefdd9d5f08631a8c9e4aa8d0bcaf92636e52675057"`
[INFO] running `"docker" "rm" "-f" "f71df99e3fd783531832cdefdd9d5f08631a8c9e4aa8d0bcaf92636e52675057"`
[INFO] [stdout] f71df99e3fd783531832cdefdd9d5f08631a8c9e4aa8d0bcaf92636e52675057
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/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" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 0f725fd0b11a9ae509e8f67eb787754f47acea6e2085e544b2a8784f5bab66c0
[INFO] running `"docker" "start" "-a" "0f725fd0b11a9ae509e8f67eb787754f47acea6e2085e544b2a8784f5bab66c0"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fft_codecs_research-d5cb02745593132c
[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" "0f725fd0b11a9ae509e8f67eb787754f47acea6e2085e544b2a8784f5bab66c0"`
[INFO] running `"docker" "rm" "-f" "0f725fd0b11a9ae509e8f67eb787754f47acea6e2085e544b2a8784f5bab66c0"`
[INFO] [stdout] 0f725fd0b11a9ae509e8f67eb787754f47acea6e2085e544b2a8784f5bab66c0