[INFO] cloning repository https://github.com/eugenehp/gpu-fft
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/eugenehp/gpu-fft" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feugenehp%2Fgpu-fft", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feugenehp%2Fgpu-fft'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9e89cd25f6446569e59b9e54b776cc75e88cd181
[INFO] checking eugenehp/gpu-fft against master#53509ca37e3b507887607c2f4a7f23bd4838f099 for pr-156027
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feugenehp%2Fgpu-fft" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/eugenehp/gpu-fft
[INFO] finished tweaking git repo https://github.com/eugenehp/gpu-fft
[INFO] tweaked toml for git repo https://github.com/eugenehp/gpu-fft written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/eugenehp/gpu-fft on toolchain 53509ca37e3b507887607c2f4a7f23bd4838f099
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+53509ca37e3b507887607c2f4a7f23bd4838f099" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/eugenehp/gpu-fft already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+53509ca37e3b507887607c2f4a7f23bd4838f099" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+53509ca37e3b507887607c2f4a7f23bd4838f099" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 55e181629c95f47b8ab08d1b59cb06c98962dabb1022a949876fd06ce06984aa
[INFO] running `Command { std: "docker" "start" "-a" "55e181629c95f47b8ab08d1b59cb06c98962dabb1022a949876fd06ce06984aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55e181629c95f47b8ab08d1b59cb06c98962dabb1022a949876fd06ce06984aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55e181629c95f47b8ab08d1b59cb06c98962dabb1022a949876fd06ce06984aa", kill_on_drop: false }`
[INFO] [stdout] 55e181629c95f47b8ab08d1b59cb06c98962dabb1022a949876fd06ce06984aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+53509ca37e3b507887607c2f4a7f23bd4838f099" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9662deca0606c133b56af5d4c446ad8f9e367438872fe19f0f24872cc5ceb347
[INFO] running `Command { std: "docker" "start" "-a" "9662deca0606c133b56af5d4c446ad8f9e367438872fe19f0f24872cc5ceb347", kill_on_drop: false }`
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[INFO] [stderr]     Checking gpu-descriptor v0.3.2
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[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]   --> src/butterfly.rs:45:41
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let sign = if forward { F::new(-1.0) } else { F::new(1.0) };
[INFO] [stdout]    |                                         ^^^ help: explicitly specify the type as `f32`: `1.0_f32`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout]    = note: `#[warn(float_literal_f32_fallback)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]   --> src/butterfly.rs:45:62
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let sign = if forward { F::new(-1.0) } else { F::new(1.0) };
[INFO] [stdout]    |                                                              ^^^ help: explicitly specify the type as `f32`: `1.0_f32`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]    --> src/butterfly.rs:124:41
[INFO] [stdout]     |
[INFO] [stdout] 124 |         let sign = if forward { F::new(-1.0) } else { F::new(1.0) };
[INFO] [stdout]     |                                         ^^^ help: explicitly specify the type as `f32`: `1.0_f32`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]    --> src/butterfly.rs:124:62
[INFO] [stdout]     |
[INFO] [stdout] 124 |         let sign = if forward { F::new(-1.0) } else { F::new(1.0) };
[INFO] [stdout]     |                                                              ^^^ help: explicitly specify the type as `f32`: `1.0_f32`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]    --> src/butterfly.rs:193:42
[INFO] [stdout]     |
[INFO] [stdout] 193 |         let sign  = if forward { F::new(-1.0) } else { F::new(1.0) };
[INFO] [stdout]     |                                          ^^^ help: explicitly specify the type as `f32`: `1.0_f32`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]    --> src/butterfly.rs:193:63
[INFO] [stdout]     |
[INFO] [stdout] 193 |         let sign  = if forward { F::new(-1.0) } else { F::new(1.0) };
[INFO] [stdout]     |                                                               ^^^ help: explicitly specify the type as `f32`: `1.0_f32`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]    --> src/butterfly.rs:275:42
[INFO] [stdout]     |
[INFO] [stdout] 275 |         let sign  = if forward { F::new(-1.0) } else { F::new(1.0) };
[INFO] [stdout]     |                                          ^^^ help: explicitly specify the type as `f32`: `1.0_f32`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]    --> src/butterfly.rs:275:63
[INFO] [stdout]     |
[INFO] [stdout] 275 |         let sign  = if forward { F::new(-1.0) } else { F::new(1.0) };
[INFO] [stdout]     |                                                               ^^^ help: explicitly specify the type as `f32`: `1.0_f32`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]    --> src/butterfly.rs:365:44
[INFO] [stdout]     |
[INFO] [stdout] 365 |         let sign    = if forward { F::new(-1.0) } else { F::new(1.0) };
[INFO] [stdout]     |                                            ^^^ help: explicitly specify the type as `f32`: `1.0_f32`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]    --> src/butterfly.rs:365:65
[INFO] [stdout]     |
[INFO] [stdout] 365 |         let sign    = if forward { F::new(-1.0) } else { F::new(1.0) };
[INFO] [stdout]     |                                                                 ^^^ help: explicitly specify the type as `f32`: `1.0_f32`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]    --> src/butterfly.rs:393:44
[INFO] [stdout]     |
[INFO] [stdout] 393 |         let neg_sign = if forward { F::new(1.0) } else { F::new(-1.0) };
[INFO] [stdout]     |                                            ^^^ help: explicitly specify the type as `f32`: `1.0_f32`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]    --> src/butterfly.rs:393:66
[INFO] [stdout]     |
[INFO] [stdout] 393 |         let neg_sign = if forward { F::new(1.0) } else { F::new(-1.0) };
[INFO] [stdout]     |                                                                  ^^^ help: explicitly specify the type as `f32`: `1.0_f32`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]    --> src/butterfly.rs:472:44
[INFO] [stdout]     |
[INFO] [stdout] 472 |         let sign    = if forward { F::new(-1.0) } else { F::new(1.0) };
[INFO] [stdout]     |                                            ^^^ help: explicitly specify the type as `f32`: `1.0_f32`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]    --> src/butterfly.rs:472:65
[INFO] [stdout]     |
[INFO] [stdout] 472 |         let sign    = if forward { F::new(-1.0) } else { F::new(1.0) };
[INFO] [stdout]     |                                                                 ^^^ help: explicitly specify the type as `f32`: `1.0_f32`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]    --> src/butterfly.rs:492:44
[INFO] [stdout]     |
[INFO] [stdout] 492 |         let neg_sign = if forward { F::new(1.0) } else { F::new(-1.0) };
[INFO] [stdout]     |                                            ^^^ help: explicitly specify the type as `f32`: `1.0_f32`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]    --> src/butterfly.rs:492:66
[INFO] [stdout]     |
[INFO] [stdout] 492 |         let neg_sign = if forward { F::new(1.0) } else { F::new(-1.0) };
[INFO] [stdout]     |                                                                  ^^^ help: explicitly specify the type as `f32`: `1.0_f32`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]   --> src/butterfly.rs:45:41
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let sign = if forward { F::new(-1.0) } else { F::new(1.0) };
[INFO] [stdout]    |                                         ^^^ help: explicitly specify the type as `f32`: `1.0_f32`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout]    = note: `#[warn(float_literal_f32_fallback)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]   --> src/twiddles.rs:12:25
[INFO] [stdout]    |
[INFO] [stdout] 12 |                 F::new(-2.0) * F::new(PI) * F::cast_from(k) * F::cast_from(idx) / F::cast_from(n);
[INFO] [stdout]    |                         ^^^ help: explicitly specify the type as `f32`: `2.0_f32`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]   --> src/butterfly.rs:45:62
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let sign = if forward { F::new(-1.0) } else { F::new(1.0) };
[INFO] [stdout]    |                                                              ^^^ help: explicitly specify the type as `f32`: `1.0_f32`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]   --> src/twiddles.rs:32:46
[INFO] [stdout]    |
[INFO] [stdout] 32 |         let mut real = Line::<F>::new(F::new(0.0));
[INFO] [stdout]    |                                              ^^^ help: explicitly specify the type as `f32`: `0.0_f32`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]   --> src/twiddles.rs:33:46
[INFO] [stdout]    |
[INFO] [stdout] 33 |         let mut imag = Line::<F>::new(F::new(0.0));
[INFO] [stdout]    |                                              ^^^ help: explicitly specify the type as `f32`: `0.0_f32`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]    --> src/butterfly.rs:124:41
[INFO] [stdout]     |
[INFO] [stdout] 124 |         let sign = if forward { F::new(-1.0) } else { F::new(1.0) };
[INFO] [stdout]     |                                         ^^^ help: explicitly specify the type as `f32`: `1.0_f32`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]    --> src/butterfly.rs:124:62
[INFO] [stdout]     |
[INFO] [stdout] 124 |         let sign = if forward { F::new(-1.0) } else { F::new(1.0) };
[INFO] [stdout]     |                                                              ^^^ help: explicitly specify the type as `f32`: `1.0_f32`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]    --> src/butterfly.rs:193:42
[INFO] [stdout]     |
[INFO] [stdout] 193 |         let sign  = if forward { F::new(-1.0) } else { F::new(1.0) };
[INFO] [stdout]     |                                          ^^^ help: explicitly specify the type as `f32`: `1.0_f32`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]    --> src/butterfly.rs:193:63
[INFO] [stdout]     |
[INFO] [stdout] 193 |         let sign  = if forward { F::new(-1.0) } else { F::new(1.0) };
[INFO] [stdout]     |                                                               ^^^ help: explicitly specify the type as `f32`: `1.0_f32`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]    --> src/butterfly.rs:275:42
[INFO] [stdout]     |
[INFO] [stdout] 275 |         let sign  = if forward { F::new(-1.0) } else { F::new(1.0) };
[INFO] [stdout]     |                                          ^^^ help: explicitly specify the type as `f32`: `1.0_f32`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]    --> src/butterfly.rs:275:63
[INFO] [stdout]     |
[INFO] [stdout] 275 |         let sign  = if forward { F::new(-1.0) } else { F::new(1.0) };
[INFO] [stdout]     |                                                               ^^^ help: explicitly specify the type as `f32`: `1.0_f32`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]    --> src/butterfly.rs:365:44
[INFO] [stdout]     |
[INFO] [stdout] 365 |         let sign    = if forward { F::new(-1.0) } else { F::new(1.0) };
[INFO] [stdout]     |                                            ^^^ help: explicitly specify the type as `f32`: `1.0_f32`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]    --> src/butterfly.rs:365:65
[INFO] [stdout]     |
[INFO] [stdout] 365 |         let sign    = if forward { F::new(-1.0) } else { F::new(1.0) };
[INFO] [stdout]     |                                                                 ^^^ help: explicitly specify the type as `f32`: `1.0_f32`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]    --> src/butterfly.rs:393:44
[INFO] [stdout]     |
[INFO] [stdout] 393 |         let neg_sign = if forward { F::new(1.0) } else { F::new(-1.0) };
[INFO] [stdout]     |                                            ^^^ help: explicitly specify the type as `f32`: `1.0_f32`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]    --> src/butterfly.rs:393:66
[INFO] [stdout]     |
[INFO] [stdout] 393 |         let neg_sign = if forward { F::new(1.0) } else { F::new(-1.0) };
[INFO] [stdout]     |                                                                  ^^^ help: explicitly specify the type as `f32`: `1.0_f32`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]    --> src/butterfly.rs:472:44
[INFO] [stdout]     |
[INFO] [stdout] 472 |         let sign    = if forward { F::new(-1.0) } else { F::new(1.0) };
[INFO] [stdout]     |                                            ^^^ help: explicitly specify the type as `f32`: `1.0_f32`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]    --> src/butterfly.rs:472:65
[INFO] [stdout]     |
[INFO] [stdout] 472 |         let sign    = if forward { F::new(-1.0) } else { F::new(1.0) };
[INFO] [stdout]     |                                                                 ^^^ help: explicitly specify the type as `f32`: `1.0_f32`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]    --> src/butterfly.rs:492:44
[INFO] [stdout]     |
[INFO] [stdout] 492 |         let neg_sign = if forward { F::new(1.0) } else { F::new(-1.0) };
[INFO] [stdout]     |                                            ^^^ help: explicitly specify the type as `f32`: `1.0_f32`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]    --> src/butterfly.rs:492:66
[INFO] [stdout]     |
[INFO] [stdout] 492 |         let neg_sign = if forward { F::new(1.0) } else { F::new(-1.0) };
[INFO] [stdout]     |                                                                  ^^^ help: explicitly specify the type as `f32`: `1.0_f32`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]   --> src/twiddles.rs:12:25
[INFO] [stdout]    |
[INFO] [stdout] 12 |                 F::new(-2.0) * F::new(PI) * F::cast_from(k) * F::cast_from(idx) / F::cast_from(n);
[INFO] [stdout]    |                         ^^^ help: explicitly specify the type as `f32`: `2.0_f32`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]   --> src/twiddles.rs:32:46
[INFO] [stdout]    |
[INFO] [stdout] 32 |         let mut real = Line::<F>::new(F::new(0.0));
[INFO] [stdout]    |                                              ^^^ help: explicitly specify the type as `f32`: `0.0_f32`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: falling back to `f32` as the trait bound `f32: From<f64>` is not satisfied
[INFO] [stdout]   --> src/twiddles.rs:33:46
[INFO] [stdout]    |
[INFO] [stdout] 33 |         let mut imag = Line::<F>::new(F::new(0.0));
[INFO] [stdout]    |                                              ^^^ help: explicitly specify the type as `f32`: `0.0_f32`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #154024 <https://github.com/rust-lang/rust/issues/154024>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 09s
[INFO] running `Command { std: "docker" "inspect" "9662deca0606c133b56af5d4c446ad8f9e367438872fe19f0f24872cc5ceb347", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9662deca0606c133b56af5d4c446ad8f9e367438872fe19f0f24872cc5ceb347", kill_on_drop: false }`
[INFO] [stdout] 9662deca0606c133b56af5d4c446ad8f9e367438872fe19f0f24872cc5ceb347