[INFO] crate rft 0.1.0 is already in cache
[INFO] extracting crate rft 0.1.0 into work/ex/clippy-test-run/sources/stable/reg/rft/0.1.0
[INFO] extracting crate rft 0.1.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/rft/0.1.0
[INFO] validating manifest of rft-0.1.0 on toolchain stable
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rft-0.1.0 on toolchain stable+rustflags=-Dclippy::into_iter_on_array
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing rft-0.1.0
[INFO] finished frobbing rft-0.1.0
[INFO] frobbed toml for rft-0.1.0 written to work/ex/clippy-test-run/sources/stable/reg/rft/0.1.0/Cargo.toml
[INFO] started frobbing rft-0.1.0
[INFO] finished frobbing rft-0.1.0
[INFO] frobbed toml for rft-0.1.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/rft/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting rft-0.1.0 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-6/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/rft/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+stable" "clippy" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d1eec59aa854b84ff23d7f438bf60761ff4087183752517d246973da63690163
[INFO] running `"docker" "start" "-a" "d1eec59aa854b84ff23d7f438bf60761ff4087183752517d246973da63690163"`
[INFO] [stderr]     Checking strided v0.2.9
[INFO] [stderr]     Checking rft v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: module has the same name as its containing module
[INFO] [stderr]  --> src/window/mod.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | mod window;
[INFO] [stderr]   | ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::module_inception)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#module_inception
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]  --> src/window/nuttall.rs:9:27
[INFO] [stderr]   |
[INFO] [stderr] 9 | const ALPHA0: Precision = 0.355768;
[INFO] [stderr]   |                           ^^^^^^^^ help: consider: `0.355_768`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/window/nuttall.rs:10:27
[INFO] [stderr]    |
[INFO] [stderr] 10 | const ALPHA1: Precision = 0.487396;
[INFO] [stderr]    |                           ^^^^^^^^ help: consider: `0.487_396`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/window/nuttall.rs:11:27
[INFO] [stderr]    |
[INFO] [stderr] 11 | const ALPHA2: Precision = 0.144232;
[INFO] [stderr]    |                           ^^^^^^^^ help: consider: `0.144_232`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/window/nuttall.rs:12:27
[INFO] [stderr]    |
[INFO] [stderr] 12 | const ALPHA3: Precision = 0.012604;
[INFO] [stderr]    |                           ^^^^^^^^ help: consider: `0.012_604`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: patterns aren't allowed in methods without bodies
[INFO] [stderr]   --> src/spectrum/average/mod.rs:22:13
[INFO] [stderr]    |
[INFO] [stderr] 22 |                mut output: MutStride<Precision>);
[INFO] [stderr]    |                ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(patterns_in_fns_without_body)] on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #35203 <https://github.com/rust-lang/rust/issues/35203>
[INFO] [stderr] 
[INFO] [stderr] warning: module has the same name as its containing module
[INFO] [stderr]  --> src/window/mod.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | mod window;
[INFO] [stderr]   | ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::module_inception)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#module_inception
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]  --> src/window/nuttall.rs:9:27
[INFO] [stderr]   |
[INFO] [stderr] 9 | const ALPHA0: Precision = 0.355768;
[INFO] [stderr]   |                           ^^^^^^^^ help: consider: `0.355_768`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/window/nuttall.rs:10:27
[INFO] [stderr]    |
[INFO] [stderr] 10 | const ALPHA1: Precision = 0.487396;
[INFO] [stderr]    |                           ^^^^^^^^ help: consider: `0.487_396`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/window/nuttall.rs:11:27
[INFO] [stderr]    |
[INFO] [stderr] 11 | const ALPHA2: Precision = 0.144232;
[INFO] [stderr]    |                           ^^^^^^^^ help: consider: `0.144_232`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/window/nuttall.rs:12:27
[INFO] [stderr]    |
[INFO] [stderr] 12 | const ALPHA3: Precision = 0.012604;
[INFO] [stderr]    |                           ^^^^^^^^ help: consider: `0.012_604`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: patterns aren't allowed in methods without bodies
[INFO] [stderr]   --> src/spectrum/average/mod.rs:22:13
[INFO] [stderr]    |
[INFO] [stderr] 22 |                mut output: MutStride<Precision>);
[INFO] [stderr]    |                ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(patterns_in_fns_without_body)] on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #35203 <https://github.com/rust-lang/rust/issues/35203>
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/spectrum/mod.rs:98:45
[INFO] [stderr]    |
[INFO] [stderr] 98 |         assert_eq!(super::bandwidth(1024, 44100), 43.066406);
[INFO] [stderr]    |                                                   ^^^^^^^^^ help: consider: `43.066_406`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `num::Zero`
[INFO] [stderr]  --> src/window/window.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use num::Zero;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `num::Zero`
[INFO] [stderr]   --> src/window/mod.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 | use num::Zero;
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to f32 may become silently lossy if types change
[INFO] [stderr]   --> src/sample.rs:20:6
[INFO] [stderr]    |
[INFO] [stderr] 20 |         -((*self as Precision - i8::MAX as Precision) / i8::MIN as Precision)
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^ help: try: `f32::from(*self)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i8 to f32 may become silently lossy if types change
[INFO] [stderr]   --> src/sample.rs:20:27
[INFO] [stderr]    |
[INFO] [stderr] 20 |         -((*self as Precision - i8::MAX as Precision) / i8::MIN as Precision)
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^^^^ help: try: `f32::from(i8::MAX)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i8 to f32 may become silently lossy if types change
[INFO] [stderr]   --> src/sample.rs:20:51
[INFO] [stderr]    |
[INFO] [stderr] 20 |         -((*self as Precision - i8::MAX as Precision) / i8::MIN as Precision)
[INFO] [stderr]    |                                                         ^^^^^^^^^^^^^^^^^^^^ help: try: `f32::from(i8::MIN)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i16 to f32 may become silently lossy if types change
[INFO] [stderr]   --> src/sample.rs:39:3
[INFO] [stderr]    |
[INFO] [stderr] 39 |         *self as Precision / -(i16::MIN as Precision)
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^ help: try: `f32::from(*self)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i16 to f32 may become silently lossy if types change
[INFO] [stderr]   --> src/sample.rs:39:25
[INFO] [stderr]    |
[INFO] [stderr] 39 |         *self as Precision / -(i16::MIN as Precision)
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f32::from(i16::MIN)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting f32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/sample.rs:47:13
[INFO] [stderr]    |
[INFO] [stderr] 47 |             *self = (value as f64 * i16::MAX as f64) as i16;
[INFO] [stderr]    |                      ^^^^^^^^^^^^ help: try: `f64::from(value)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i16 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/sample.rs:47:28
[INFO] [stderr]    |
[INFO] [stderr] 47 |             *self = (value as f64 * i16::MAX as f64) as i16;
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^ help: try: `f64::from(i16::MAX)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting f32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/sample.rs:50:14
[INFO] [stderr]    |
[INFO] [stderr] 50 |             *self = -(value as f64 * i16::MIN as f64) as i16;
[INFO] [stderr]    |                       ^^^^^^^^^^^^ help: try: `f64::from(value)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i16 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/sample.rs:50:29
[INFO] [stderr]    |
[INFO] [stderr] 50 |             *self = -(value as f64 * i16::MIN as f64) as i16;
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^ help: try: `f64::from(i16::MIN)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting f32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/sample.rs:66:13
[INFO] [stderr]    |
[INFO] [stderr] 66 |             *self = (value as f64 * i32::MAX as f64) as i32;
[INFO] [stderr]    |                      ^^^^^^^^^^^^ help: try: `f64::from(value)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/sample.rs:66:28
[INFO] [stderr]    |
[INFO] [stderr] 66 |             *self = (value as f64 * i32::MAX as f64) as i32;
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^ help: try: `f64::from(i32::MAX)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting f32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/sample.rs:69:14
[INFO] [stderr]    |
[INFO] [stderr] 69 |             *self = -(value as f64 * i32::MIN as f64) as i32;
[INFO] [stderr]    |                       ^^^^^^^^^^^^ help: try: `f64::from(value)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/sample.rs:69:29
[INFO] [stderr]    |
[INFO] [stderr] 69 |             *self = -(value as f64 * i32::MIN as f64) as i32;
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^ help: try: `f64::from(i32::MIN)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting f32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/sample.rs:98:11
[INFO] [stderr]    |
[INFO] [stderr] 98 |         *self = value as f64;
[INFO] [stderr]    |                 ^^^^^^^^^^^^ help: try: `f64::from(value)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting f32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/complex.rs:115:13
[INFO] [stderr]     |
[INFO] [stderr] 115 |         self.re = value as f64;
[INFO] [stderr]     |                   ^^^^^^^^^^^^ help: try: `f64::from(value)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting f32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/complex.rs:120:13
[INFO] [stderr]     |
[INFO] [stderr] 120 |         self.im = value as f64;
[INFO] [stderr]     |                   ^^^^^^^^^^^^ help: try: `f64::from(value)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/transform/cooley_tukey.rs:47:3
[INFO] [stderr]    |
[INFO] [stderr] 47 |         factor = factor * twiddle;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `factor *= twiddle`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::assign_op_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is only used to index `input`.
[INFO] [stderr]   --> src/spectrum/average/logarithmic.rs:54:14
[INFO] [stderr]    |
[INFO] [stderr] 54 |                 for i in low .. hig {
[INFO] [stderr]    |                          ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_range_loop)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]    |
[INFO] [stderr] 54 |                 for <item> in input.iter().take(hig).skip(low) {
[INFO] [stderr]    |                     ^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `num::Zero`
[INFO] [stderr]  --> src/window/window.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use num::Zero;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `num::Zero`
[INFO] [stderr]   --> src/window/mod.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 | use num::Zero;
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to f32 may become silently lossy if types change
[INFO] [stderr]   --> src/sample.rs:20:6
[INFO] [stderr]    |
[INFO] [stderr] 20 |         -((*self as Precision - i8::MAX as Precision) / i8::MIN as Precision)
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^ help: try: `f32::from(*self)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i8 to f32 may become silently lossy if types change
[INFO] [stderr]   --> src/sample.rs:20:27
[INFO] [stderr]    |
[INFO] [stderr] 20 |         -((*self as Precision - i8::MAX as Precision) / i8::MIN as Precision)
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^^^^ help: try: `f32::from(i8::MAX)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i8 to f32 may become silently lossy if types change
[INFO] [stderr]   --> src/sample.rs:20:51
[INFO] [stderr]    |
[INFO] [stderr] 20 |         -((*self as Precision - i8::MAX as Precision) / i8::MIN as Precision)
[INFO] [stderr]    |                                                         ^^^^^^^^^^^^^^^^^^^^ help: try: `f32::from(i8::MIN)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i16 to f32 may become silently lossy if types change
[INFO] [stderr]   --> src/sample.rs:39:3
[INFO] [stderr]    |
[INFO] [stderr] 39 |         *self as Precision / -(i16::MIN as Precision)
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^ help: try: `f32::from(*self)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i16 to f32 may become silently lossy if types change
[INFO] [stderr]   --> src/sample.rs:39:25
[INFO] [stderr]    |
[INFO] [stderr] 39 |         *self as Precision / -(i16::MIN as Precision)
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f32::from(i16::MIN)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting f32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/sample.rs:47:13
[INFO] [stderr]    |
[INFO] [stderr] 47 |             *self = (value as f64 * i16::MAX as f64) as i16;
[INFO] [stderr]    |                      ^^^^^^^^^^^^ help: try: `f64::from(value)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i16 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/sample.rs:47:28
[INFO] [stderr]    |
[INFO] [stderr] 47 |             *self = (value as f64 * i16::MAX as f64) as i16;
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^ help: try: `f64::from(i16::MAX)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting f32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/sample.rs:50:14
[INFO] [stderr]    |
[INFO] [stderr] 50 |             *self = -(value as f64 * i16::MIN as f64) as i16;
[INFO] [stderr]    |                       ^^^^^^^^^^^^ help: try: `f64::from(value)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i16 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/sample.rs:50:29
[INFO] [stderr]    |
[INFO] [stderr] 50 |             *self = -(value as f64 * i16::MIN as f64) as i16;
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^ help: try: `f64::from(i16::MIN)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting f32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/sample.rs:66:13
[INFO] [stderr]    |
[INFO] [stderr] 66 |             *self = (value as f64 * i32::MAX as f64) as i32;
[INFO] [stderr]    |                      ^^^^^^^^^^^^ help: try: `f64::from(value)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/sample.rs:66:28
[INFO] [stderr]    |
[INFO] [stderr] 66 |             *self = (value as f64 * i32::MAX as f64) as i32;
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^ help: try: `f64::from(i32::MAX)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting f32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/sample.rs:69:14
[INFO] [stderr]    |
[INFO] [stderr] 69 |             *self = -(value as f64 * i32::MIN as f64) as i32;
[INFO] [stderr]    |                       ^^^^^^^^^^^^ help: try: `f64::from(value)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/sample.rs:69:29
[INFO] [stderr]    |
[INFO] [stderr] 69 |             *self = -(value as f64 * i32::MIN as f64) as i32;
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^ help: try: `f64::from(i32::MIN)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting f32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/sample.rs:98:11
[INFO] [stderr]    |
[INFO] [stderr] 98 |         *self = value as f64;
[INFO] [stderr]    |                 ^^^^^^^^^^^^ help: try: `f64::from(value)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting f32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/complex.rs:115:13
[INFO] [stderr]     |
[INFO] [stderr] 115 |         self.re = value as f64;
[INFO] [stderr]     |                   ^^^^^^^^^^^^ help: try: `f64::from(value)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting f32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/complex.rs:120:13
[INFO] [stderr]     |
[INFO] [stderr] 120 |         self.im = value as f64;
[INFO] [stderr]     |                   ^^^^^^^^^^^^ help: try: `f64::from(value)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/transform/cooley_tukey.rs:47:3
[INFO] [stderr]    |
[INFO] [stderr] 47 |         factor = factor * twiddle;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `factor *= twiddle`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::assign_op_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: the function has a cyclomatic complexity of 26
[INFO] [stderr]    --> src/transform/cooley_tukey.rs:115:2
[INFO] [stderr]     |
[INFO] [stderr] 115 |       fn inverse() {
[INFO] [stderr]     |  _____^
[INFO] [stderr] 116 | |         let mut output = vec![Complex::new(0.0, 0.0); 4];
[INFO] [stderr] 117 | |         super::inverse(Stride::new(&[1.0, 1.0, 0.0, 0.0]), output.as_stride_mut());
[INFO] [stderr] 118 | |
[INFO] [stderr] ...   |
[INFO] [stderr] 126 | |         assert_approx_eq!(output[3], Complex::new(0.25, -0.25));
[INFO] [stderr] 127 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cyclomatic_complexity)] on by default
[INFO] [stderr]     = help: you could split it up into multiple smaller functions
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cyclomatic_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: the function has a cyclomatic complexity of 31
[INFO] [stderr]    --> src/transform/bluestein.rs:122:2
[INFO] [stderr]     |
[INFO] [stderr] 122 |       fn forward() {
[INFO] [stderr]     |  _____^
[INFO] [stderr] 123 | |         let mut output = vec![Complex::new(0.0, 0.0); 5];
[INFO] [stderr] 124 | |         super::forward(Stride::new(&[1.0, 1.0, 0.0, 0.0, 0.5]), output.as_stride_mut());
[INFO] [stderr] 125 | |
[INFO] [stderr] ...   |
[INFO] [stderr] 130 | |         assert_approx_eq!(output[4], Complex::new( 1.46,  0.48));
[INFO] [stderr] 131 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = help: you could split it up into multiple smaller functions
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cyclomatic_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: the function has a cyclomatic complexity of 32
[INFO] [stderr]    --> src/transform/bluestein.rs:134:2
[INFO] [stderr]     |
[INFO] [stderr] 134 |       fn inverse() {
[INFO] [stderr]     |  _____^
[INFO] [stderr] 135 | |         let mut output = vec![Complex::new(0.0, 0.0); 5];
[INFO] [stderr] 136 | |         super::inverse(Stride::new(&[1.0, 1.0, 0.0, 0.0, 0.5]), output.as_stride_mut());
[INFO] [stderr] 137 | |
[INFO] [stderr] ...   |
[INFO] [stderr] 146 | |         assert_approx_eq!(output[4], Complex::new( 0.29, -0.10));
[INFO] [stderr] 147 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = help: you could split it up into multiple smaller functions
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cyclomatic_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is only used to index `input`.
[INFO] [stderr]   --> src/spectrum/average/logarithmic.rs:54:14
[INFO] [stderr]    |
[INFO] [stderr] 54 |                 for i in low .. hig {
[INFO] [stderr]    |                          ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_range_loop)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]    |
[INFO] [stderr] 54 |                 for <item> in input.iter().take(hig).skip(low) {
[INFO] [stderr]    |                     ^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]   --> src/spectrum/mod.rs:98:3
[INFO] [stderr]    |
[INFO] [stderr] 98 |         assert_eq!(super::bandwidth(1024, 44100), 43.066406);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::float_cmp)] on by default
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]   --> src/spectrum/mod.rs:98:3
[INFO] [stderr]    |
[INFO] [stderr] 98 |         assert_eq!(super::bandwidth(1024, 44100), 43.066406);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `rft`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "d1eec59aa854b84ff23d7f438bf60761ff4087183752517d246973da63690163"`
[INFO] running `"docker" "rm" "-f" "d1eec59aa854b84ff23d7f438bf60761ff4087183752517d246973da63690163"`
[INFO] [stdout] d1eec59aa854b84ff23d7f438bf60761ff4087183752517d246973da63690163