[INFO] fetching crate gpu-fft 1.2.0...
[INFO] checking gpu-fft-1.2.0 against master#65407954098ca3c19f0d46092cb374b5d3e9dc3c for pr-157841
[INFO] extracting crate gpu-fft 1.2.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate gpu-fft 1.2.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate gpu-fft 1.2.0
[INFO] tweaked toml for crates.io crate gpu-fft 1.2.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate gpu-fft 1.2.0 on toolchain 65407954098ca3c19f0d46092cb374b5d3e9dc3c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+65407954098ca3c19f0d46092cb374b5d3e9dc3c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate gpu-fft 1.2.0 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" "+65407954098ca3c19f0d46092cb374b5d3e9dc3c" "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-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 910d34675ec8580b3932f1f1790f0414b25dc5223fc20bf07bf80a0451a19569
[INFO] running `Command { std: "docker" "start" "910d34675ec8580b3932f1f1790f0414b25dc5223fc20bf07bf80a0451a19569", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "910d34675ec8580b3932f1f1790f0414b25dc5223fc20bf07bf80a0451a19569" "/opt/rustwide/cargo-home/bin/cargo" "+65407954098ca3c19f0d46092cb374b5d3e9dc3c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "910d34675ec8580b3932f1f1790f0414b25dc5223fc20bf07bf80a0451a19569", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "910d34675ec8580b3932f1f1790f0414b25dc5223fc20bf07bf80a0451a19569" "/opt/rustwide/cargo-home/bin/cargo" "+65407954098ca3c19f0d46092cb374b5d3e9dc3c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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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: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: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: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: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: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: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: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/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] [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 23s
[INFO] running `Command { std: "docker" "inspect" "910d34675ec8580b3932f1f1790f0414b25dc5223fc20bf07bf80a0451a19569", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "910d34675ec8580b3932f1f1790f0414b25dc5223fc20bf07bf80a0451a19569", kill_on_drop: false }`
[INFO] [stdout] 910d34675ec8580b3932f1f1790f0414b25dc5223fc20bf07bf80a0451a19569
