[INFO] fetching crate stft 0.2.0...
[INFO] testing stft-0.2.0 against 1.75.0 for beta-1.76-1
[INFO] extracting crate stft 0.2.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate stft 0.2.0 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stft 0.2.0
[INFO] finished tweaking crates.io crate stft 0.2.0
[INFO] tweaked toml for crates.io crate stft 0.2.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded strider v0.1.3
[INFO] [stderr]   Downloaded nalgebra v0.5.1
[INFO] [stderr]   Downloaded rustfft v1.0.1
[INFO] [stderr]   Downloaded apodize v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4dfca27d8c3375c6cda70a6fac918127b5aad65ec28e3d5f09c261c1c904dae9
[INFO] running `Command { std: "docker" "start" "-a" "4dfca27d8c3375c6cda70a6fac918127b5aad65ec28e3d5f09c261c1c904dae9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4dfca27d8c3375c6cda70a6fac918127b5aad65ec28e3d5f09c261c1c904dae9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4dfca27d8c3375c6cda70a6fac918127b5aad65ec28e3d5f09c261c1c904dae9", kill_on_drop: false }`
[INFO] [stdout] 4dfca27d8c3375c6cda70a6fac918127b5aad65ec28e3d5f09c261c1c904dae9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4faa015bda659a3f9cd84ebfcc59eefee1fef02f773f8f80658f80fc133bd724
[INFO] running `Command { std: "docker" "start" "-a" "4faa015bda659a3f9cd84ebfcc59eefee1fef02f773f8f80658f80fc133bd724", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling rustc-serialize v0.3.25
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling strider v0.1.3
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-complex v0.4.4
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling num v0.4.1
[INFO] [stderr]    Compiling rustfft v1.0.1
[INFO] [stdout] error[E0277]: the trait bound `&{float}: Float` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustfft-1.0.1/src/lib.rs:38:36
[INFO] [stdout]     |
[INFO] [stdout] 38  |                       .map(|phase| Complex::from_polar(&1.0, &phase))
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^ the trait `Float` is not implemented for `&{float}`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the following other types implement trait `Float`:
[INFO] [stdout]               f32
[INFO] [stdout]               f64
[INFO] [stdout] note: required by a bound in `Complex::<T>::from_polar`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/num-complex-0.4.4/src/lib.rs:174:9
[INFO] [stdout]     |
[INFO] [stdout] 174 | impl<T: Float> Complex<T> {
[INFO] [stdout]     |         ^^^^^ required by this bound in `Complex::<T>::from_polar`
[INFO] [stdout] ...
[INFO] [stdout] 200 |     pub fn from_polar(r: T, theta: T) -> Self {
[INFO] [stdout]     |            ---------- required by a bound in this associated function
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustfft-1.0.1/src/lib.rs:39:69
[INFO] [stdout]     |
[INFO] [stdout] 39  |                       .map(|c| Complex {re: FromPrimitive::from_f32(c.re).unwrap(),
[INFO] [stdout]     |                                             ----------------------- ^^^^ expected `f32`, found `&f32`
[INFO] [stdout]     |                                             |
[INFO] [stdout]     |                                             arguments to this function are incorrect
[INFO] [stdout]     |
[INFO] [stdout] note: associated function defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/num-traits-0.2.17/src/cast.rs:483:8
[INFO] [stdout]     |
[INFO] [stdout] 483 |     fn from_f32(n: f32) -> Option<Self> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] help: consider dereferencing the borrow
[INFO] [stdout]     |
[INFO] [stdout] 39  |                       .map(|c| Complex {re: FromPrimitive::from_f32(*c.re).unwrap(),
[INFO] [stdout]     |                                                                     +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustfft-1.0.1/src/lib.rs:40:69
[INFO] [stdout]     |
[INFO] [stdout] 40  | ...                   im: FromPrimitive::from_f32(c.im).unwrap()})
[INFO] [stdout]     |                           ----------------------- ^^^^ expected `f32`, found `&f32`
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           arguments to this function are incorrect
[INFO] [stdout]     |
[INFO] [stdout] note: associated function defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/num-traits-0.2.17/src/cast.rs:483:8
[INFO] [stdout]     |
[INFO] [stdout] 483 |     fn from_f32(n: f32) -> Option<Self> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] help: consider dereferencing the borrow
[INFO] [stdout]     |
[INFO] [stdout] 40  |                                         im: FromPrimitive::from_f32(*c.im).unwrap()})
[INFO] [stdout]     |                                                                     +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `&_: Float` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustfft-1.0.1/src/lib.rs:137:27
[INFO] [stdout]     |
[INFO] [stdout] 137 |             let twiddle = Complex::from_polar(&One::one(), &angle);
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^ the trait `Float` is not implemented for `&_`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the following other types implement trait `Float`:
[INFO] [stdout]               f32
[INFO] [stdout]               f64
[INFO] [stdout] note: required by a bound in `Complex::<T>::from_polar`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/num-complex-0.4.4/src/lib.rs:174:9
[INFO] [stdout]     |
[INFO] [stdout] 174 | impl<T: Float> Complex<T> {
[INFO] [stdout]     |         ^^^^^ required by this bound in `Complex::<T>::from_polar`
[INFO] [stdout] ...
[INFO] [stdout] 200 |     pub fn from_polar(r: T, theta: T) -> Self {
[INFO] [stdout]     |            ---------- required by a bound in this associated function
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0369]: cannot multiply `Complex<&T>` by `Complex<T>`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustfft-1.0.1/src/lib.rs:138:33
[INFO] [stdout]     |
[INFO] [stdout] 138 |             sum = sum + twiddle * x;
[INFO] [stdout]     |                         ------- ^ - Complex<T>
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         Complex<&T>
[INFO] [stdout]     |
[INFO] [stdout] help: consider introducing a `where` clause, but there might be an alternative better way to express this requirement
[INFO] [stdout]     |
[INFO] [stdout] 130 | pub fn dft<T: Float>(signal: &[Complex<T>], spectrum: &mut [Complex<T>]) where Complex<&T>: Mul<Complex<T>> {
[INFO] [stdout]     |                                                                          ++++++++++++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0308, E0369.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustfft` (lib) due to 6 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "4faa015bda659a3f9cd84ebfcc59eefee1fef02f773f8f80658f80fc133bd724", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4faa015bda659a3f9cd84ebfcc59eefee1fef02f773f8f80658f80fc133bd724", kill_on_drop: false }`
[INFO] [stdout] 4faa015bda659a3f9cd84ebfcc59eefee1fef02f773f8f80658f80fc133bd724
[INFO] testing stft-0.2.0 against beta-2023-12-22 for beta-1.76-1
[INFO] extracting crate stft 0.2.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate stft 0.2.0 on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stft 0.2.0
[INFO] finished tweaking crates.io crate stft 0.2.0
[INFO] tweaked toml for crates.io crate stft 0.2.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9439b2992339e7620a998b32bb8ae52933cfc5ecee0f96ced2d3a99dbe58bf85
[INFO] running `Command { std: "docker" "start" "-a" "9439b2992339e7620a998b32bb8ae52933cfc5ecee0f96ced2d3a99dbe58bf85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9439b2992339e7620a998b32bb8ae52933cfc5ecee0f96ced2d3a99dbe58bf85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9439b2992339e7620a998b32bb8ae52933cfc5ecee0f96ced2d3a99dbe58bf85", kill_on_drop: false }`
[INFO] [stdout] 9439b2992339e7620a998b32bb8ae52933cfc5ecee0f96ced2d3a99dbe58bf85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8fd158a226a82ef3ced002e8756b9119f84b86836d4c9c12bf9af13e5337535e
[INFO] running `Command { std: "docker" "start" "-a" "8fd158a226a82ef3ced002e8756b9119f84b86836d4c9c12bf9af13e5337535e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling rustc-serialize v0.3.25
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling strider v0.1.3
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-complex v0.4.4
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling num v0.4.1
[INFO] [stderr]    Compiling rustfft v1.0.1
[INFO] [stdout] error[E0277]: the trait bound `&{float}: Float` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustfft-1.0.1/src/lib.rs:38:36
[INFO] [stdout]     |
[INFO] [stdout] 38  |                       .map(|phase| Complex::from_polar(&1.0, &phase))
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^ the trait `Float` is not implemented for `&{float}`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the following other types implement trait `Float`:
[INFO] [stdout]               f32
[INFO] [stdout]               f64
[INFO] [stdout] note: required by a bound in `Complex::<T>::from_polar`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/num-complex-0.4.4/src/lib.rs:174:9
[INFO] [stdout]     |
[INFO] [stdout] 174 | impl<T: Float> Complex<T> {
[INFO] [stdout]     |         ^^^^^ required by this bound in `Complex::<T>::from_polar`
[INFO] [stdout] ...
[INFO] [stdout] 200 |     pub fn from_polar(r: T, theta: T) -> Self {
[INFO] [stdout]     |            ---------- required by a bound in this associated function
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustfft-1.0.1/src/lib.rs:39:69
[INFO] [stdout]     |
[INFO] [stdout] 39  |                       .map(|c| Complex {re: FromPrimitive::from_f32(c.re).unwrap(),
[INFO] [stdout]     |                                             ----------------------- ^^^^ expected `f32`, found `&f32`
[INFO] [stdout]     |                                             |
[INFO] [stdout]     |                                             arguments to this function are incorrect
[INFO] [stdout]     |
[INFO] [stdout] note: associated function defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/num-traits-0.2.17/src/cast.rs:483:8
[INFO] [stdout]     |
[INFO] [stdout] 483 |     fn from_f32(n: f32) -> Option<Self> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] help: consider dereferencing the borrow
[INFO] [stdout]     |
[INFO] [stdout] 39  |                       .map(|c| Complex {re: FromPrimitive::from_f32(*c.re).unwrap(),
[INFO] [stdout]     |                                                                     +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustfft-1.0.1/src/lib.rs:40:69
[INFO] [stdout]     |
[INFO] [stdout] 40  | ...                   im: FromPrimitive::from_f32(c.im).unwrap()})
[INFO] [stdout]     |                           ----------------------- ^^^^ expected `f32`, found `&f32`
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           arguments to this function are incorrect
[INFO] [stdout]     |
[INFO] [stdout] note: associated function defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/num-traits-0.2.17/src/cast.rs:483:8
[INFO] [stdout]     |
[INFO] [stdout] 483 |     fn from_f32(n: f32) -> Option<Self> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] help: consider dereferencing the borrow
[INFO] [stdout]     |
[INFO] [stdout] 40  |                                         im: FromPrimitive::from_f32(*c.im).unwrap()})
[INFO] [stdout]     |                                                                     +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `&_: Float` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustfft-1.0.1/src/lib.rs:137:27
[INFO] [stdout]     |
[INFO] [stdout] 137 |             let twiddle = Complex::from_polar(&One::one(), &angle);
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^ the trait `Float` is not implemented for `&_`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the following other types implement trait `Float`:
[INFO] [stdout]               f32
[INFO] [stdout]               f64
[INFO] [stdout] note: required by a bound in `Complex::<T>::from_polar`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/num-complex-0.4.4/src/lib.rs:174:9
[INFO] [stdout]     |
[INFO] [stdout] 174 | impl<T: Float> Complex<T> {
[INFO] [stdout]     |         ^^^^^ required by this bound in `Complex::<T>::from_polar`
[INFO] [stdout] ...
[INFO] [stdout] 200 |     pub fn from_polar(r: T, theta: T) -> Self {
[INFO] [stdout]     |            ---------- required by a bound in this associated function
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0369]: cannot multiply `Complex<&T>` by `Complex<T>`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustfft-1.0.1/src/lib.rs:138:33
[INFO] [stdout]     |
[INFO] [stdout] 138 |             sum = sum + twiddle * x;
[INFO] [stdout]     |                         ------- ^ - Complex<T>
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         Complex<&T>
[INFO] [stdout]     |
[INFO] [stdout] help: consider introducing a `where` clause, but there might be an alternative better way to express this requirement
[INFO] [stdout]     |
[INFO] [stdout] 130 | pub fn dft<T: Float>(signal: &[Complex<T>], spectrum: &mut [Complex<T>]) where Complex<&T>: Mul<Complex<T>> {
[INFO] [stdout]     |                                                                          ++++++++++++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0308, E0369.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustfft` (lib) due to 6 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "8fd158a226a82ef3ced002e8756b9119f84b86836d4c9c12bf9af13e5337535e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fd158a226a82ef3ced002e8756b9119f84b86836d4c9c12bf9af13e5337535e", kill_on_drop: false }`
[INFO] [stdout] 8fd158a226a82ef3ced002e8756b9119f84b86836d4c9c12bf9af13e5337535e
