[INFO] crate monochord 0.1.1 is already in cache
[INFO] extracting crate monochord 0.1.1 into work/ex/clippy-test-run/sources/stable/reg/monochord/0.1.1
[INFO] extracting crate monochord 0.1.1 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/monochord/0.1.1
[INFO] validating manifest of monochord-0.1.1 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 monochord-0.1.1 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 monochord-0.1.1
[INFO] finished frobbing monochord-0.1.1
[INFO] frobbed toml for monochord-0.1.1 written to work/ex/clippy-test-run/sources/stable/reg/monochord/0.1.1/Cargo.toml
[INFO] started frobbing monochord-0.1.1
[INFO] finished frobbing monochord-0.1.1
[INFO] frobbed toml for monochord-0.1.1 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/monochord/0.1.1/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 monochord-0.1.1 against stable+rustflags=-Dclippy::into_iter_on_array for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-2/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/monochord/0.1.1:/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 -Dclippy::into_iter_on_array" "-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] 55081cd211310be5ec576abc5a9dc075c4b7aeac9cad3344688089d40ccd939e
[INFO] running `"docker" "start" "-a" "55081cd211310be5ec576abc5a9dc075c4b7aeac9cad3344688089d40ccd939e"`
[INFO] [stderr]     Checking monochord v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: casting u16 to f32 may become silently lossy if types change
[INFO] [stderr]   --> src/tuning.rs:51:34
[INFO] [stderr]    |
[INFO] [stderr] 51 |         let int = Cents(1200.0 / self.cardinality as f32) * step as f32;
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f32::from(self.cardinality)`
[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 u16 to f32 may become silently lossy if types change
[INFO] [stderr]   --> src/tuning.rs:57:29
[INFO] [stderr]    |
[INFO] [stderr] 57 |         Some(Cents(1200.0 / self.cardinality as f32 * delta))
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f32::from(self.cardinality)`
[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: length comparison to zero
[INFO] [stderr]    --> src/tuning.rs:146:12
[INFO] [stderr]     |
[INFO] [stderr] 146 |         if self.steps.len() == 0 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self.steps.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to i32 may become silently lossy if types change
[INFO] [stderr]    --> src/tuning.rs:182:48
[INFO] [stderr]     |
[INFO] [stderr] 182 |             if let Some(hz) = tuning.pitch(i - refkey as i32) {
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^ help: try: `i32::from(refkey)`
[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 u16 to f32 may become silently lossy if types change
[INFO] [stderr]   --> src/tuning.rs:51:34
[INFO] [stderr]    |
[INFO] [stderr] 51 |         let int = Cents(1200.0 / self.cardinality as f32) * step as f32;
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f32::from(self.cardinality)`
[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 u16 to f32 may become silently lossy if types change
[INFO] [stderr]   --> src/tuning.rs:57:29
[INFO] [stderr]    |
[INFO] [stderr] 57 |         Some(Cents(1200.0 / self.cardinality as f32 * delta))
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f32::from(self.cardinality)`
[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: length comparison to zero
[INFO] [stderr]    --> src/tuning.rs:146:12
[INFO] [stderr]     |
[INFO] [stderr] 146 |         if self.steps.len() == 0 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self.steps.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to i32 may become silently lossy if types change
[INFO] [stderr]    --> src/tuning.rs:182:48
[INFO] [stderr]     |
[INFO] [stderr] 182 |             if let Some(hz) = tuning.pitch(i - refkey as i32) {
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^ help: try: `i32::from(refkey)`
[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] error: strict comparison of f32 or f64
[INFO] [stderr]    --> src/tuning.rs:245:9
[INFO] [stderr]     |
[INFO] [stderr] 245 |         assert_eq!(tuning.pitch(0).unwrap().0, 440.0);
[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/tuning.rs:245:9
[INFO] [stderr]     |
[INFO] [stderr] 245 |         assert_eq!(tuning.pitch(0).unwrap().0, 440.0);
[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: strict comparison of f32 or f64
[INFO] [stderr]    --> src/tuning.rs:246:9
[INFO] [stderr]     |
[INFO] [stderr] 246 |         assert_eq!(tuning.pitch(1).unwrap().0.round(), 660.0_f32);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]    --> src/tuning.rs:246:9
[INFO] [stderr]     |
[INFO] [stderr] 246 |         assert_eq!(tuning.pitch(1).unwrap().0.round(), 660.0_f32);
[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: strict comparison of f32 or f64
[INFO] [stderr]    --> src/tuning.rs:247:9
[INFO] [stderr]     |
[INFO] [stderr] 247 |         assert_eq!(tuning.pitch(3).unwrap().0.round(), 1320.0_f32);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]    --> src/tuning.rs:247:9
[INFO] [stderr]     |
[INFO] [stderr] 247 |         assert_eq!(tuning.pitch(3).unwrap().0.round(), 1320.0_f32);
[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: strict comparison of f32 or f64
[INFO] [stderr]    --> src/tuning.rs:248:9
[INFO] [stderr]     |
[INFO] [stderr] 248 |         assert_eq!(tuning.pitch(-1).unwrap().0.round(), 330.0_f32);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]    --> src/tuning.rs:248:9
[INFO] [stderr]     |
[INFO] [stderr] 248 |         assert_eq!(tuning.pitch(-1).unwrap().0.round(), 330.0_f32);
[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: strict comparison of f32 or f64
[INFO] [stderr]    --> src/tuning.rs:249:9
[INFO] [stderr]     |
[INFO] [stderr] 249 |         assert_eq!(tuning.pitch(-3).unwrap().0.round(), 165.0_f32);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]    --> src/tuning.rs:249:9
[INFO] [stderr]     |
[INFO] [stderr] 249 |         assert_eq!(tuning.pitch(-3).unwrap().0.round(), 165.0_f32);
[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: strict comparison of f32 or f64
[INFO] [stderr]    --> src/lib.rs:99:9
[INFO] [stderr]     |
[INFO] [stderr] 99  | /         assert_eq!(
[INFO] [stderr] 100 | |             (Hz(440.0) + Cents(-900.0)).0.round(),
[INFO] [stderr] 101 | |             262.0
[INFO] [stderr] 102 | |         );
[INFO] [stderr]     | |__________^
[INFO] [stderr]     |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]    --> src/lib.rs:99:9
[INFO] [stderr]     |
[INFO] [stderr] 99  | /         assert_eq!(
[INFO] [stderr] 100 | |             (Hz(440.0) + Cents(-900.0)).0.round(),
[INFO] [stderr] 101 | |             262.0
[INFO] [stderr] 102 | |         );
[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 6 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `monochord`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "55081cd211310be5ec576abc5a9dc075c4b7aeac9cad3344688089d40ccd939e"`
[INFO] running `"docker" "rm" "-f" "55081cd211310be5ec576abc5a9dc075c4b7aeac9cad3344688089d40ccd939e"`
[INFO] [stdout] 55081cd211310be5ec576abc5a9dc075c4b7aeac9cad3344688089d40ccd939e