[INFO] updating cached repository https://github.com/alexey-detr/fft-codecs-research
[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] 9c2795440c9813e4bed6bef3402092fffd5cb4ae
[INFO] testing alexey-detr/fft-codecs-research against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexey-detr%2Ffft-codecs-research" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alexey-detr/fft-codecs-research on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "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 /workspace/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 `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /workspace/builds/worker-7/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=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-2020-06-03" "build" "--frozen"`
[INFO] [stdout] 66fba275e3589db5ae2984722a51a9b516d63b1275c464b88feb6b338ffe525b
[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" "66fba275e3589db5ae2984722a51a9b516d63b1275c464b88feb6b338ffe525b"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling rustfft v0.0.3
[INFO] [stderr]    Compiling fft-codecs-research v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/wav.rs:40:61
[INFO] [stderr]    |
[INFO] [stderr] 40 |         Err(why) => panic!("couldn't open {}: {}", display, Error::description(&why)),
[INFO] [stderr]    |                                                             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/wav.rs:48:61
[INFO] [stderr]    |
[INFO] [stderr] 48 |         Err(why) => panic!("couldn't read {}: {}", display, Error::description(&why)),
[INFO] [stderr]    |                                                             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[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: if this is intentional, prefix it 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:71:8
[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 read: `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 read: `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 read: `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 read: `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 read: `decoding_flag`
[INFO] [stderr]   --> src/codec.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     decoding_flag: &'static str,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.23s
[INFO] running `"docker" "inspect" "66fba275e3589db5ae2984722a51a9b516d63b1275c464b88feb6b338ffe525b"`
[INFO] running `"docker" "rm" "-f" "66fba275e3589db5ae2984722a51a9b516d63b1275c464b88feb6b338ffe525b"`
[INFO] [stdout] 66fba275e3589db5ae2984722a51a9b516d63b1275c464b88feb6b338ffe525b
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=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-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stdout] 37f47454999a40a2b1eb492fd0ef7a1871d23ab41cf52022c7ba6aab4c6542da
[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" "37f47454999a40a2b1eb492fd0ef7a1871d23ab41cf52022c7ba6aab4c6542da"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling fft-codecs-research v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/wav.rs:40:61
[INFO] [stderr]    |
[INFO] [stderr] 40 |         Err(why) => panic!("couldn't open {}: {}", display, Error::description(&why)),
[INFO] [stderr]    |                                                             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/wav.rs:48:61
[INFO] [stderr]    |
[INFO] [stderr] 48 |         Err(why) => panic!("couldn't read {}: {}", display, Error::description(&why)),
[INFO] [stderr]    |                                                             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[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: if this is intentional, prefix it 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:71:8
[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 read: `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 read: `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 read: `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 read: `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 read: `decoding_flag`
[INFO] [stderr]   --> src/codec.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     decoding_flag: &'static str,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `"docker" "inspect" "37f47454999a40a2b1eb492fd0ef7a1871d23ab41cf52022c7ba6aab4c6542da"`
[INFO] running `"docker" "rm" "-f" "37f47454999a40a2b1eb492fd0ef7a1871d23ab41cf52022c7ba6aab4c6542da"`
[INFO] [stdout] 37f47454999a40a2b1eb492fd0ef7a1871d23ab41cf52022c7ba6aab4c6542da
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=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-2020-06-03" "test" "--frozen"`
[INFO] [stdout] e7113769209490683bc6ff379e42990820a4ef03e1c661ce9596b57ff8411098
[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" "e7113769209490683bc6ff379e42990820a4ef03e1c661ce9596b57ff8411098"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/wav.rs:40:61
[INFO] [stderr]    |
[INFO] [stderr] 40 |         Err(why) => panic!("couldn't open {}: {}", display, Error::description(&why)),
[INFO] [stderr]    |                                                             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/wav.rs:48:61
[INFO] [stderr]    |
[INFO] [stderr] 48 |         Err(why) => panic!("couldn't read {}: {}", display, Error::description(&why)),
[INFO] [stderr]    |                                                             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[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: if this is intentional, prefix it 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:71:8
[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 read: `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 read: `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 read: `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 read: `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 read: `decoding_flag`
[INFO] [stderr]   --> src/codec.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     decoding_flag: &'static str,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fft_codecs_research-03fa317f75dcdb25
[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" "e7113769209490683bc6ff379e42990820a4ef03e1c661ce9596b57ff8411098"`
[INFO] running `"docker" "rm" "-f" "e7113769209490683bc6ff379e42990820a4ef03e1c661ce9596b57ff8411098"`
[INFO] [stdout] e7113769209490683bc6ff379e42990820a4ef03e1c661ce9596b57ff8411098