[INFO] crate piston-float 0.3.0 is already in cache
[INFO] extracting crate piston-float 0.3.0 into work/ex/clippy-test-run/sources/stable/reg/piston-float/0.3.0
[INFO] extracting crate piston-float 0.3.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/piston-float/0.3.0
[INFO] validating manifest of piston-float-0.3.0 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 piston-float-0.3.0 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 piston-float-0.3.0
[INFO] finished frobbing piston-float-0.3.0
[INFO] frobbed toml for piston-float-0.3.0 written to work/ex/clippy-test-run/sources/stable/reg/piston-float/0.3.0/Cargo.toml
[INFO] started frobbing piston-float-0.3.0
[INFO] finished frobbing piston-float-0.3.0
[INFO] frobbed toml for piston-float-0.3.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/piston-float/0.3.0/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 piston-float-0.3.0 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-0/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/piston-float/0.3.0:/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] 02cada65fc5204ad4676a3c25c9edb3b10fd8c605cf1e92aa54c70e204cf6c8d
[INFO] running `"docker" "start" "-a" "02cada65fc5204ad4676a3c25c9edb3b10fd8c605cf1e92aa54c70e204cf6c8d"`
[INFO] [stderr]     Checking piston-float v0.3.0 (/opt/crater/workdir)
[INFO] [stderr] warning: casting f32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/lib.rs:350:28
[INFO] [stderr]     |
[INFO] [stderr] 350 |     fn cast(self) -> f64 { self as f64 }
[INFO] [stderr]     |                            ^^^^^^^^^^^ help: try: `f64::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 f32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/lib.rs:382:35
[INFO] [stderr]     |
[INFO] [stderr] 382 |     fn from_f32(t: f32) -> Self { t as f64 }
[INFO] [stderr]     |                                   ^^^^^^^^ help: try: `f64::from(t)`
[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 u32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/lib.rs:386:35
[INFO] [stderr]     |
[INFO] [stderr] 386 |     fn from_u32(t: u32) -> Self { t as f64 }
[INFO] [stderr]     |                                   ^^^^^^^^ help: try: `f64::from(t)`
[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/lib.rs:388:35
[INFO] [stderr]     |
[INFO] [stderr] 388 |     fn from_i32(t: i32) -> Self { t as f64 }
[INFO] [stderr]     |                                   ^^^^^^^^ help: try: `f64::from(t)`
[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: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:426:28
[INFO] [stderr]     |
[INFO] [stderr] 426 |         assert!((radians - 0.401425).abs() > ::std::f32::EPSILON);
[INFO] [stderr]     |                            ^^^^^^^^ help: consider: `0.401_425`
[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/lib.rs:433:28
[INFO] [stderr]     |
[INFO] [stderr] 433 |         assert!((radians - 1.047197).abs()  > ::std::f64::EPSILON);
[INFO] [stderr]     |                            ^^^^^^^^ help: consider: `1.047_197`
[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: casting f32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/lib.rs:350:28
[INFO] [stderr]     |
[INFO] [stderr] 350 |     fn cast(self) -> f64 { self as f64 }
[INFO] [stderr]     |                            ^^^^^^^^^^^ help: try: `f64::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 f32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/lib.rs:382:35
[INFO] [stderr]     |
[INFO] [stderr] 382 |     fn from_f32(t: f32) -> Self { t as f64 }
[INFO] [stderr]     |                                   ^^^^^^^^ help: try: `f64::from(t)`
[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 u32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/lib.rs:386:35
[INFO] [stderr]     |
[INFO] [stderr] 386 |     fn from_u32(t: u32) -> Self { t as f64 }
[INFO] [stderr]     |                                   ^^^^^^^^ help: try: `f64::from(t)`
[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/lib.rs:388:35
[INFO] [stderr]     |
[INFO] [stderr] 388 |     fn from_i32(t: i32) -> Self { t as f64 }
[INFO] [stderr]     |                                   ^^^^^^^^ help: try: `f64::from(t)`
[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/lib.rs:412:9
[INFO] [stderr]     |
[INFO] [stderr] 412 |         assert_eq!(b, 2.0f32);
[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/lib.rs:412:9
[INFO] [stderr]     |
[INFO] [stderr] 412 |         assert_eq!(b, 2.0f32);
[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:419:9
[INFO] [stderr]     |
[INFO] [stderr] 419 |         assert_eq!(b, 2.0f64);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]    --> src/lib.rs:419:9
[INFO] [stderr]     |
[INFO] [stderr] 419 |         assert_eq!(b, 2.0f64);
[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: approximate value of `f{32, 64}::consts::FRAC_PI_3` found. Consider using it directly
[INFO] [stderr]    --> src/lib.rs:433:28
[INFO] [stderr]     |
[INFO] [stderr] 433 |         assert!((radians - 1.047197).abs()  > ::std::f64::EPSILON);
[INFO] [stderr]     |                            ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::approx_constant)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#approx_constant
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `piston-float`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "02cada65fc5204ad4676a3c25c9edb3b10fd8c605cf1e92aa54c70e204cf6c8d"`
[INFO] running `"docker" "rm" "-f" "02cada65fc5204ad4676a3c25c9edb3b10fd8c605cf1e92aa54c70e204cf6c8d"`
[INFO] [stdout] 02cada65fc5204ad4676a3c25c9edb3b10fd8c605cf1e92aa54c70e204cf6c8d