[INFO] updating cached repository alexey-detr/fft-codecs-research
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/alexey-detr/fft-codecs-research
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/alexey-detr/fft-codecs-research" "work/ex/beta-1.37-6/sources/1.36.0/gh/alexey-detr/fft-codecs-research"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/alexey-detr/fft-codecs-research'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/alexey-detr/fft-codecs-research" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/alexey-detr/fft-codecs-research"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/alexey-detr/fft-codecs-research'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9c2795440c9813e4bed6bef3402092fffd5cb4ae
[INFO] sha for GitHub repo alexey-detr/fft-codecs-research: 9c2795440c9813e4bed6bef3402092fffd5cb4ae
[INFO] validating manifest of alexey-detr/fft-codecs-research on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of alexey-detr/fft-codecs-research on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing alexey-detr/fft-codecs-research
[INFO] finished frobbing alexey-detr/fft-codecs-research
[INFO] frobbed toml for alexey-detr/fft-codecs-research written to work/ex/beta-1.37-6/sources/1.36.0/gh/alexey-detr/fft-codecs-research/Cargo.toml
[INFO] started frobbing alexey-detr/fft-codecs-research
[INFO] finished frobbing alexey-detr/fft-codecs-research
[INFO] frobbed toml for alexey-detr/fft-codecs-research written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/alexey-detr/fft-codecs-research/Cargo.toml
[INFO] crate alexey-detr/fft-codecs-research already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/alexey-detr/fft-codecs-research/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing alexey-detr/fft-codecs-research against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/alexey-detr/fft-codecs-research:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 7df888ca1bb13c6baa3a10fb6d1b6d03344a74f13fa7947ab94e670a1f11f247
[INFO] running `"docker" "start" "-a" "7df888ca1bb13c6baa3a10fb6d1b6d03344a74f13fa7947ab94e670a1f11f247"`
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num v0.2.0
[INFO] [stderr]    Compiling rustfft v0.0.3
[INFO] [stderr]    Compiling fft-codecs-research v0.0.1 (/opt/crater/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 9.64s
[INFO] running `"docker" "inspect" "7df888ca1bb13c6baa3a10fb6d1b6d03344a74f13fa7947ab94e670a1f11f247"`
[INFO] running `"docker" "rm" "-f" "7df888ca1bb13c6baa3a10fb6d1b6d03344a74f13fa7947ab94e670a1f11f247"`
[INFO] [stdout] 7df888ca1bb13c6baa3a10fb6d1b6d03344a74f13fa7947ab94e670a1f11f247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/alexey-detr/fft-codecs-research:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 3186b4aa1fd3d5f02403c1edee02ab45a79882418c9a547056d50ec551772684
[INFO] running `"docker" "start" "-a" "3186b4aa1fd3d5f02403c1edee02ab45a79882418c9a547056d50ec551772684"`
[INFO] [stderr]    Compiling fft-codecs-research v0.0.1 (/opt/crater/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 0.66s
[INFO] running `"docker" "inspect" "3186b4aa1fd3d5f02403c1edee02ab45a79882418c9a547056d50ec551772684"`
[INFO] running `"docker" "rm" "-f" "3186b4aa1fd3d5f02403c1edee02ab45a79882418c9a547056d50ec551772684"`
[INFO] [stdout] 3186b4aa1fd3d5f02403c1edee02ab45a79882418c9a547056d50ec551772684
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/alexey-detr/fft-codecs-research:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 6b6099676ff569f3fdf8e1e10f8a9d9bf88eba98647ee744c9d62bc3d1597988
[INFO] running `"docker" "start" "-a" "6b6099676ff569f3fdf8e1e10f8a9d9bf88eba98647ee744c9d62bc3d1597988"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/fft_codecs_research-6c630aea1717cc4a
[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" "6b6099676ff569f3fdf8e1e10f8a9d9bf88eba98647ee744c9d62bc3d1597988"`
[INFO] running `"docker" "rm" "-f" "6b6099676ff569f3fdf8e1e10f8a9d9bf88eba98647ee744c9d62bc3d1597988"`
[INFO] [stdout] 6b6099676ff569f3fdf8e1e10f8a9d9bf88eba98647ee744c9d62bc3d1597988