[INFO] fetching crate vox_box 0.3.0...
[INFO] testing vox_box-0.3.0 against 1.44.0 for beta-1.45-1
[INFO] extracting crate vox_box 0.3.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate vox_box 0.3.0 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate vox_box 0.3.0
[INFO] finished tweaking crates.io crate vox_box 0.3.0
[INFO] tweaked toml for crates.io crate vox_box 0.3.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 12fefa3c04c9ef60815333865eff10ff068a296b8a5ee5cffcae4a494dc97ffc
[INFO] running `"docker" "start" "-a" "12fefa3c04c9ef60815333865eff10ff068a296b8a5ee5cffcae4a494dc97ffc"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling sample v0.9.1
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling rustfft v1.0.1
[INFO] [stderr]    Compiling vox_box v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/periodic.rs:99:38
[INFO] [stderr]    |
[INFO] [stderr] 99 | fn brent_maximize<'a, S: Sample>(f: &Fn(f64, &BrentParams<'a, S>) -> f64, 
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64, &BrentParams<'a, S>) -> f64`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:35:32
[INFO] [stderr]    |
[INFO] [stderr] 35 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/spectrum.rs:410:21
[INFO] [stderr]     |
[INFO] [stderr] 410 |         fft.process(&signal, &mut spectrum);
[INFO] [stderr]     |                     ^^^^^^^ expected slice, found struct `std::vec::Vec`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected reference `&[num_complex::Complex<_>]`
[INFO] [stderr]                found reference `&std::vec::Vec<num::Complex<T>>`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/spectrum.rs:410:30
[INFO] [stderr]     |
[INFO] [stderr] 410 |         fft.process(&signal, &mut spectrum);
[INFO] [stderr]     |                              ^^^^^^^^^^^^^ expected slice, found struct `std::vec::Vec`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected mutable reference `&mut [num_complex::Complex<_>]`
[INFO] [stderr]                found mutable reference `&mut std::vec::Vec<num::Complex<T>>`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:20:28
[INFO] [stderr]    |
[INFO] [stderr] 20 |         fmt.write_str(self.description())
[INFO] [stderr]    |                            ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors; 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0308`.
[INFO] [stderr] error: could not compile `vox_box`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "12fefa3c04c9ef60815333865eff10ff068a296b8a5ee5cffcae4a494dc97ffc"`
[INFO] running `"docker" "rm" "-f" "12fefa3c04c9ef60815333865eff10ff068a296b8a5ee5cffcae4a494dc97ffc"`
[INFO] [stdout] 12fefa3c04c9ef60815333865eff10ff068a296b8a5ee5cffcae4a494dc97ffc