[INFO] crate flo_float_encoder 0.1.0 is already in cache
[INFO] extracting crate flo_float_encoder 0.1.0 into work/ex/clippy-test-run/sources/stable/reg/flo_float_encoder/0.1.0
[INFO] extracting crate flo_float_encoder 0.1.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/flo_float_encoder/0.1.0
[INFO] validating manifest of flo_float_encoder-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 flo_float_encoder-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 flo_float_encoder-0.1.0
[INFO] finished frobbing flo_float_encoder-0.1.0
[INFO] frobbed toml for flo_float_encoder-0.1.0 written to work/ex/clippy-test-run/sources/stable/reg/flo_float_encoder/0.1.0/Cargo.toml
[INFO] started frobbing flo_float_encoder-0.1.0
[INFO] finished frobbing flo_float_encoder-0.1.0
[INFO] frobbed toml for flo_float_encoder-0.1.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/flo_float_encoder/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 flo_float_encoder-0.1.0 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-5/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/flo_float_encoder/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 -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] 4400c262ed082594cdf786ca0a511952d328982cd256dbd151abed6074282567
[INFO] running `"docker" "start" "-a" "4400c262ed082594cdf786ca0a511952d328982cd256dbd151abed6074282567"`
[INFO] [stderr]     Checking flo_float_encoder v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]   --> src/encode.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 24 |         target.write(&[(nan&0xff) as u8, (nan>>8) as u8])?;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::unused_io_amount)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] warning: the operation is ineffective. Consider reducing it to `bit_pattern`
[INFO] [stderr]   --> src/encode.rs:26:14
[INFO] [stderr]    |
[INFO] [stderr] 26 |             ((bit_pattern>>0) &0xff) as u8,
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::identity_op)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to i16 may become silently lossy if types change
[INFO] [stderr]   --> src/decode.rs:15:27
[INFO] [stderr]    |
[INFO] [stderr] 15 |     let diff: i16       = (diff_bytes[0] as i16) | ((diff_bytes[1] as i16)<<8);
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^^ help: try: `i16::from(diff_bytes[0])`
[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 u8 to i16 may become silently lossy if types change
[INFO] [stderr]   --> src/decode.rs:15:53
[INFO] [stderr]    |
[INFO] [stderr] 15 |     let diff: i16       = (diff_bytes[0] as i16) | ((diff_bytes[1] as i16)<<8);
[INFO] [stderr]    |                                                     ^^^^^^^^^^^^^^^^^^^^^^ help: try: `i16::from(diff_bytes[1])`
[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: the operation is ineffective. Consider reducing it to `(diff_bytes[0] as u32)`
[INFO] [stderr]   --> src/decode.rs:22:15
[INFO] [stderr]    |
[INFO] [stderr] 22 |               ((diff_bytes[0] as u32)<<0)
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/decode.rs:22:16
[INFO] [stderr]    |
[INFO] [stderr] 22 |               ((diff_bytes[0] as u32)<<0)
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(diff_bytes[0])`
[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 u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/decode.rs:23:16
[INFO] [stderr]    |
[INFO] [stderr] 23 |             | ((diff_bytes[1] as u32)<<8)
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(diff_bytes[1])`
[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 u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/decode.rs:24:16
[INFO] [stderr]    |
[INFO] [stderr] 24 |             | ((diff_bytes[2] as u32)<<16)
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(diff_bytes[2])`
[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 u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/decode.rs:25:16
[INFO] [stderr]    |
[INFO] [stderr] 25 |             | ((diff_bytes[3] as u32)<<24);
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(diff_bytes[3])`
[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: transmute from a `u32` to a `f32`
[INFO] [stderr]   --> src/decode.rs:27:34
[INFO] [stderr]    |
[INFO] [stderr] 27 |         let diff: f32 = unsafe { mem::transmute(diff_bit_pattern) };
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `f32::from_bits(diff_bit_pattern)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::transmute_int_to_float)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_int_to_float
[INFO] [stderr] 
[INFO] [stderr] warning: casting f32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/decode.rs:29:19
[INFO] [stderr]    |
[INFO] [stderr] 29 |         Ok(last + (diff as f64))
[INFO] [stderr]    |                   ^^^^^^^^^^^^^ help: try: `f64::from(diff)`
[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/decode.rs:32:20
[INFO] [stderr]    |
[INFO] [stderr] 32 |         let diff = (diff as f64) / 256.0;
[INFO] [stderr]    |                    ^^^^^^^^^^^^^ help: try: `f64::from(diff)`
[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: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `flo_float_encoder`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]   --> src/encode.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 24 |         target.write(&[(nan&0xff) as u8, (nan>>8) as u8])?;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::unused_io_amount)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] warning: the operation is ineffective. Consider reducing it to `bit_pattern`
[INFO] [stderr]   --> src/encode.rs:26:14
[INFO] [stderr]    |
[INFO] [stderr] 26 |             ((bit_pattern>>0) &0xff) as u8,
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::identity_op)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to i16 may become silently lossy if types change
[INFO] [stderr]   --> src/decode.rs:15:27
[INFO] [stderr]    |
[INFO] [stderr] 15 |     let diff: i16       = (diff_bytes[0] as i16) | ((diff_bytes[1] as i16)<<8);
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^^ help: try: `i16::from(diff_bytes[0])`
[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 u8 to i16 may become silently lossy if types change
[INFO] [stderr]   --> src/decode.rs:15:53
[INFO] [stderr]    |
[INFO] [stderr] 15 |     let diff: i16       = (diff_bytes[0] as i16) | ((diff_bytes[1] as i16)<<8);
[INFO] [stderr]    |                                                     ^^^^^^^^^^^^^^^^^^^^^^ help: try: `i16::from(diff_bytes[1])`
[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: the operation is ineffective. Consider reducing it to `(diff_bytes[0] as u32)`
[INFO] [stderr]   --> src/decode.rs:22:15
[INFO] [stderr]    |
[INFO] [stderr] 22 |               ((diff_bytes[0] as u32)<<0)
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/decode.rs:22:16
[INFO] [stderr]    |
[INFO] [stderr] 22 |               ((diff_bytes[0] as u32)<<0)
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(diff_bytes[0])`
[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 u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/decode.rs:23:16
[INFO] [stderr]    |
[INFO] [stderr] 23 |             | ((diff_bytes[1] as u32)<<8)
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(diff_bytes[1])`
[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 u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/decode.rs:24:16
[INFO] [stderr]    |
[INFO] [stderr] 24 |             | ((diff_bytes[2] as u32)<<16)
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(diff_bytes[2])`
[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 u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/decode.rs:25:16
[INFO] [stderr]    |
[INFO] [stderr] 25 |             | ((diff_bytes[3] as u32)<<24);
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(diff_bytes[3])`
[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: transmute from a `u32` to a `f32`
[INFO] [stderr]   --> src/decode.rs:27:34
[INFO] [stderr]    |
[INFO] [stderr] 27 |         let diff: f32 = unsafe { mem::transmute(diff_bit_pattern) };
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `f32::from_bits(diff_bit_pattern)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::transmute_int_to_float)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_int_to_float
[INFO] [stderr] 
[INFO] [stderr] warning: casting f32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/decode.rs:29:19
[INFO] [stderr]    |
[INFO] [stderr] 29 |         Ok(last + (diff as f64))
[INFO] [stderr]    |                   ^^^^^^^^^^^^^ help: try: `f64::from(diff)`
[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/decode.rs:32:20
[INFO] [stderr]    |
[INFO] [stderr] 32 |         let diff = (diff as f64) / 256.0;
[INFO] [stderr]    |                    ^^^^^^^^^^^^^ help: try: `f64::from(diff)`
[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: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `flo_float_encoder`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "4400c262ed082594cdf786ca0a511952d328982cd256dbd151abed6074282567"`
[INFO] running `"docker" "rm" "-f" "4400c262ed082594cdf786ca0a511952d328982cd256dbd151abed6074282567"`
[INFO] [stdout] 4400c262ed082594cdf786ca0a511952d328982cd256dbd151abed6074282567