[INFO] crate sparx 0.1.1 is already in cache
[INFO] extracting crate sparx 0.1.1 into work/ex/clippy-test-run/sources/stable/reg/sparx/0.1.1
[INFO] extracting crate sparx 0.1.1 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/sparx/0.1.1
[INFO] validating manifest of sparx-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 sparx-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 sparx-0.1.1
[INFO] finished frobbing sparx-0.1.1
[INFO] frobbed toml for sparx-0.1.1 written to work/ex/clippy-test-run/sources/stable/reg/sparx/0.1.1/Cargo.toml
[INFO] started frobbing sparx-0.1.1
[INFO] finished frobbing sparx-0.1.1
[INFO] frobbed toml for sparx-0.1.1 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/sparx/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 sparx-0.1.1 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-4/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/sparx/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" "-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] 298707f17485d30b2239c5d2b2a459c61cef28d56625a432a460bf91419c0e59
[INFO] running `"docker" "start" "-a" "298707f17485d30b2239c5d2b2a459c61cef28d56625a432a460bf91419c0e59"`
[INFO] [stderr]     Checking sparx v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: casting u16 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/sparx64.rs:21:10
[INFO] [stderr]    |
[INFO] [stderr] 21 |     *k = (left as u32) | ((right as u32) << 16)
[INFO] [stderr]    |          ^^^^^^^^^^^^^ help: try: `u32::from(left)`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/sparx64.rs:21:27
[INFO] [stderr]    |
[INFO] [stderr] 21 |     *k = (left as u32) | ((right as u32) << 16)
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^ help: try: `u32::from(right)`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/sparx64.rs:30:10
[INFO] [stderr]    |
[INFO] [stderr] 30 |     *k = (left as u32) | ((right as u32) << 16)
[INFO] [stderr]    |          ^^^^^^^^^^^^^ help: try: `u32::from(left)`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/sparx64.rs:30:27
[INFO] [stderr]    |
[INFO] [stderr] 30 |     *k = (left as u32) | ((right as u32) << 16)
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^ help: try: `u32::from(right)`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/sparx64.rs:36:12
[INFO] [stderr]    |
[INFO] [stderr] 36 |     k[1] = ((k[1] as u16).wrapping_add(k[0] as u16) as u32) |
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from((k[1] as u16).wrapping_add(k[0] as u16))`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/sparx64.rs:37:12
[INFO] [stderr]    |
[INFO] [stderr] 37 |            (((k[1] >> 16) as u16).wrapping_add((k[0] >> 16) as u16) as u32) << 16;
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(((k[1] >> 16) as u16).wrapping_add((k[0] >> 16) as u16))`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/sparx64.rs:38:12
[INFO] [stderr]    |
[INFO] [stderr] 38 |     k[3] = ((k[3] as u16) as u32) | (((k[3] >> 16) as u16).wrapping_add(c) as u32) << 16;
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from((k[3] as u16))`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/sparx64.rs:38:37
[INFO] [stderr]    |
[INFO] [stderr] 38 |     k[3] = ((k[3] as u16) as u32) | (((k[3] >> 16) as u16).wrapping_add(c) as u32) << 16;
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(((k[3] >> 16) as u16).wrapping_add(c))`
[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: this operation will always return zero. This is likely not the intended outcome
[INFO] [stderr]   --> src/sparx64.rs:50:40
[INFO] [stderr]    |
[INFO] [stderr] 50 |     k[0] = LittleEndian::read_u32(&key[0 * 4..]);
[INFO] [stderr]    |                                        ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::erasing_op)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#erasing_op
[INFO] [stderr] 
[INFO] [stderr] warning: the operation is ineffective. Consider reducing it to `4`
[INFO] [stderr]   --> src/sparx64.rs:51:40
[INFO] [stderr]    |
[INFO] [stderr] 51 |     k[1] = LittleEndian::read_u32(&key[1 * 4..]);
[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: an inclusive range would be more readable
[INFO] [stderr]   --> src/sparx64.rs:55:14
[INFO] [stderr]    |
[INFO] [stderr] 55 |     for c in 0..(2 * STEPS + 1) {
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^ help: use: `0..=2 * STEPS`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::range_plus_one)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] error: this operation will always return zero. This is likely not the intended outcome
[INFO] [stderr]   --> src/sparx64.rs:81:48
[INFO] [stderr]    |
[INFO] [stderr] 81 |         let x0 = LittleEndian::read_u32(&block[4 * 0..]);
[INFO] [stderr]    |                                                ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#erasing_op
[INFO] [stderr] 
[INFO] [stderr] warning: the operation is ineffective. Consider reducing it to `4`
[INFO] [stderr]   --> src/sparx64.rs:82:48
[INFO] [stderr]    |
[INFO] [stderr] 82 |         let x1 = LittleEndian::read_u32(&block[4 * 1..]);
[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 u16 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/sparx64.rs:84:19
[INFO] [stderr]    |
[INFO] [stderr] 84 |         let tmp = (tmp as u32) | ((tmp as u32) << 16);
[INFO] [stderr]    |                   ^^^^^^^^^^^^ help: try: `u32::from(tmp)`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/sparx64.rs:84:35
[INFO] [stderr]    |
[INFO] [stderr] 84 |         let tmp = (tmp as u32) | ((tmp as u32) << 16);
[INFO] [stderr]    |                                   ^^^^^^^^^^^^ help: try: `u32::from(tmp)`
[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: this operation will always return zero. This is likely not the intended outcome
[INFO] [stderr]   --> src/sparx64.rs:85:44
[INFO] [stderr]    |
[INFO] [stderr] 85 |         LittleEndian::write_u32(&mut block[4 * 0..], x0 ^ x1 ^ tmp);
[INFO] [stderr]    |                                            ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#erasing_op
[INFO] [stderr] 
[INFO] [stderr] warning: the operation is ineffective. Consider reducing it to `4`
[INFO] [stderr]   --> src/sparx64.rs:86:44
[INFO] [stderr]    |
[INFO] [stderr] 86 |         LittleEndian::write_u32(&mut block[4 * 1..], x0);
[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] error: this operation will always return zero. This is likely not the intended outcome
[INFO] [stderr]    --> src/sparx64.rs:102:48
[INFO] [stderr]     |
[INFO] [stderr] 102 |         let x1 = LittleEndian::read_u32(&block[4 * 0..]);
[INFO] [stderr]     |                                                ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#erasing_op
[INFO] [stderr] 
[INFO] [stderr] warning: the operation is ineffective. Consider reducing it to `4`
[INFO] [stderr]    --> src/sparx64.rs:103:48
[INFO] [stderr]     |
[INFO] [stderr] 103 |         let x0 = LittleEndian::read_u32(&block[4 * 1..]);
[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 u16 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/sparx64.rs:105:19
[INFO] [stderr]     |
[INFO] [stderr] 105 |         let tmp = (tmp as u32) | ((tmp as u32) << 16);
[INFO] [stderr]     |                   ^^^^^^^^^^^^ help: try: `u32::from(tmp)`
[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 u32 may become silently lossy if types change
[INFO] [stderr]    --> src/sparx64.rs:105:35
[INFO] [stderr]     |
[INFO] [stderr] 105 |         let tmp = (tmp as u32) | ((tmp as u32) << 16);
[INFO] [stderr]     |                                   ^^^^^^^^^^^^ help: try: `u32::from(tmp)`
[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: this operation will always return zero. This is likely not the intended outcome
[INFO] [stderr]    --> src/sparx64.rs:106:44
[INFO] [stderr]     |
[INFO] [stderr] 106 |         LittleEndian::write_u32(&mut block[4 * 0..], x0);
[INFO] [stderr]     |                                            ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#erasing_op
[INFO] [stderr] 
[INFO] [stderr] warning: the operation is ineffective. Consider reducing it to `4`
[INFO] [stderr]    --> src/sparx64.rs:107:44
[INFO] [stderr]     |
[INFO] [stderr] 107 |         LittleEndian::write_u32(&mut block[4 * 1..], x0 ^ x1 ^ tmp);
[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 u32 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/sparx64.rs:130:14
[INFO] [stderr]     |
[INFO] [stderr] 130 |     let nc = (LittleEndian::read_u32(nonce) as u64) << 32;
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(LittleEndian::read_u32(nonce))`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/sparx128.rs:21:10
[INFO] [stderr]    |
[INFO] [stderr] 21 |     *k = (left as u32) | ((right as u32) << 16)
[INFO] [stderr]    |          ^^^^^^^^^^^^^ help: try: `u32::from(left)`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/sparx128.rs:21:27
[INFO] [stderr]    |
[INFO] [stderr] 21 |     *k = (left as u32) | ((right as u32) << 16)
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^ help: try: `u32::from(right)`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/sparx128.rs:30:10
[INFO] [stderr]    |
[INFO] [stderr] 30 |     *k = (left as u32) | ((right as u32) << 16)
[INFO] [stderr]    |          ^^^^^^^^^^^^^ help: try: `u32::from(left)`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/sparx128.rs:30:27
[INFO] [stderr]    |
[INFO] [stderr] 30 |     *k = (left as u32) | ((right as u32) << 16)
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^ help: try: `u32::from(right)`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/sparx128.rs:36:12
[INFO] [stderr]    |
[INFO] [stderr] 36 |     k[1] = ((k[1] as u16).wrapping_add(k[0] as u16) as u32) |
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from((k[1] as u16).wrapping_add(k[0] as u16))`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/sparx128.rs:37:12
[INFO] [stderr]    |
[INFO] [stderr] 37 |            (((k[1] >> 16) as u16).wrapping_add((k[0] >> 16) as u16) as u32) << 16;
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(((k[1] >> 16) as u16).wrapping_add((k[0] >> 16) as u16))`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/sparx128.rs:39:12
[INFO] [stderr]    |
[INFO] [stderr] 39 |     k[3] = ((k[3] as u16).wrapping_add(k[2] as u16) as u32) |
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from((k[3] as u16).wrapping_add(k[2] as u16))`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/sparx128.rs:40:12
[INFO] [stderr]    |
[INFO] [stderr] 40 |            (((k[3] >> 16) as u16).wrapping_add((k[2] >> 16) as u16).wrapping_add(c) as u32) << 16;
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(((k[3] >> 16) as u16).wrapping_add((k[2] >> 16) as u16).wrapping_add(c))`
[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: this operation will always return zero. This is likely not the intended outcome
[INFO] [stderr]   --> src/sparx128.rs:52:40
[INFO] [stderr]    |
[INFO] [stderr] 52 |     k[0] = LittleEndian::read_u32(&key[0 * 4..]);
[INFO] [stderr]    |                                        ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#erasing_op
[INFO] [stderr] 
[INFO] [stderr] warning: the operation is ineffective. Consider reducing it to `4`
[INFO] [stderr]   --> src/sparx128.rs:53:40
[INFO] [stderr]    |
[INFO] [stderr] 53 |     k[1] = LittleEndian::read_u32(&key[1 * 4..]);
[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: an inclusive range would be more readable
[INFO] [stderr]   --> src/sparx128.rs:57:14
[INFO] [stderr]    |
[INFO] [stderr] 57 |     for c in 0..(4 * STEPS + 1) {
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^ help: use: `0..=4 * STEPS`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] error: this operation will always return zero. This is likely not the intended outcome
[INFO] [stderr]   --> src/sparx128.rs:83:48
[INFO] [stderr]    |
[INFO] [stderr] 83 |         let x0 = LittleEndian::read_u32(&block[4 * 0..]);
[INFO] [stderr]    |                                                ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#erasing_op
[INFO] [stderr] 
[INFO] [stderr] warning: the operation is ineffective. Consider reducing it to `4`
[INFO] [stderr]   --> src/sparx128.rs:84:48
[INFO] [stderr]    |
[INFO] [stderr] 84 |         let x1 = LittleEndian::read_u32(&block[4 * 1..]);
[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 u16 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/sparx128.rs:89:19
[INFO] [stderr]    |
[INFO] [stderr] 89 |         let tmp = (tmp as u32) | ((tmp as u32) << 16);
[INFO] [stderr]    |                   ^^^^^^^^^^^^ help: try: `u32::from(tmp)`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/sparx128.rs:89:35
[INFO] [stderr]    |
[INFO] [stderr] 89 |         let tmp = (tmp as u32) | ((tmp as u32) << 16);
[INFO] [stderr]    |                                   ^^^^^^^^^^^^ help: try: `u32::from(tmp)`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/sparx128.rs:90:15
[INFO] [stderr]    |
[INFO] [stderr] 90 |         x2 = ((((x2 as u16) ^ (x1 as u16)) as u32) |
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from((x2 as u16) ^ (x1 as u16))`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/sparx128.rs:91:15
[INFO] [stderr]    |
[INFO] [stderr] 91 |               ((((x2 >> 16) as u16) ^ ((x0 >> 16) as u16)) as u32) << 16) ^ tmp;
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(((x2 >> 16) as u16) ^ ((x0 >> 16) as u16))`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/sparx128.rs:92:15
[INFO] [stderr]    |
[INFO] [stderr] 92 |         x3 = ((((x3 as u16) ^ (x0 as u16)) as u32) |
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from((x3 as u16) ^ (x0 as u16))`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/sparx128.rs:93:15
[INFO] [stderr]    |
[INFO] [stderr] 93 |               ((((x3 >> 16) as u16) ^ ((x1 >> 16) as u16)) as u32) << 16) ^ tmp;
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(((x3 >> 16) as u16) ^ ((x1 >> 16) as u16))`
[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: this operation will always return zero. This is likely not the intended outcome
[INFO] [stderr]   --> src/sparx128.rs:94:44
[INFO] [stderr]    |
[INFO] [stderr] 94 |         LittleEndian::write_u32(&mut block[4 * 0..], x2);
[INFO] [stderr]    |                                            ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#erasing_op
[INFO] [stderr] 
[INFO] [stderr] warning: the operation is ineffective. Consider reducing it to `4`
[INFO] [stderr]   --> src/sparx128.rs:95:44
[INFO] [stderr]    |
[INFO] [stderr] 95 |         LittleEndian::write_u32(&mut block[4 * 1..], x3);
[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] error: this operation will always return zero. This is likely not the intended outcome
[INFO] [stderr]    --> src/sparx128.rs:115:52
[INFO] [stderr]     |
[INFO] [stderr] 115 |         let mut x2 = LittleEndian::read_u32(&block[4 * 0..]);
[INFO] [stderr]     |                                                    ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#erasing_op
[INFO] [stderr] 
[INFO] [stderr] warning: the operation is ineffective. Consider reducing it to `4`
[INFO] [stderr]    --> src/sparx128.rs:116:52
[INFO] [stderr]     |
[INFO] [stderr] 116 |         let mut x3 = LittleEndian::read_u32(&block[4 * 1..]);
[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 u16 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/sparx128.rs:119:19
[INFO] [stderr]     |
[INFO] [stderr] 119 |         let tmp = (tmp as u32) | ((tmp as u32) << 16);
[INFO] [stderr]     |                   ^^^^^^^^^^^^ help: try: `u32::from(tmp)`
[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 u32 may become silently lossy if types change
[INFO] [stderr]    --> src/sparx128.rs:119:35
[INFO] [stderr]     |
[INFO] [stderr] 119 |         let tmp = (tmp as u32) | ((tmp as u32) << 16);
[INFO] [stderr]     |                                   ^^^^^^^^^^^^ help: try: `u32::from(tmp)`
[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 u32 may become silently lossy if types change
[INFO] [stderr]    --> src/sparx128.rs:120:15
[INFO] [stderr]     |
[INFO] [stderr] 120 |         x2 = ((((x2 as u16) ^ (x1 as u16)) as u32) |
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from((x2 as u16) ^ (x1 as u16))`
[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 u32 may become silently lossy if types change
[INFO] [stderr]    --> src/sparx128.rs:121:15
[INFO] [stderr]     |
[INFO] [stderr] 121 |               ((((x2 >> 16) as u16) ^ ((x0 >> 16) as u16)) as u32) << 16) ^ tmp;
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(((x2 >> 16) as u16) ^ ((x0 >> 16) as u16))`
[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 u32 may become silently lossy if types change
[INFO] [stderr]    --> src/sparx128.rs:122:15
[INFO] [stderr]     |
[INFO] [stderr] 122 |         x3 = ((((x3 as u16) ^ (x0 as u16)) as u32) |
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from((x3 as u16) ^ (x0 as u16))`
[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 u32 may become silently lossy if types change
[INFO] [stderr]    --> src/sparx128.rs:123:15
[INFO] [stderr]     |
[INFO] [stderr] 123 |               ((((x3 >> 16) as u16) ^ ((x1 >> 16) as u16)) as u32) << 16) ^ tmp;
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(((x3 >> 16) as u16) ^ ((x1 >> 16) as u16))`
[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: this operation will always return zero. This is likely not the intended outcome
[INFO] [stderr]    --> src/sparx128.rs:124:44
[INFO] [stderr]     |
[INFO] [stderr] 124 |         LittleEndian::write_u32(&mut block[4 * 0..], x0);
[INFO] [stderr]     |                                            ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#erasing_op
[INFO] [stderr] 
[INFO] [stderr] warning: the operation is ineffective. Consider reducing it to `4`
[INFO] [stderr]    --> src/sparx128.rs:125:44
[INFO] [stderr]     |
[INFO] [stderr] 125 |         LittleEndian::write_u32(&mut block[4 * 1..], x1);
[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: it looks like you're manually copying between slices
[INFO] [stderr]    --> src/sparx128.rs:151:14
[INFO] [stderr]     |
[INFO] [stderr] 151 |     for i in 0..(BLOCK_SIZE - 6) {
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^ help: try replacing the loop by: `nc[..(BLOCK_SIZE - 6)].clone_from_slice(&nonce[..(BLOCK_SIZE - 6)])`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::manual_memcpy)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_memcpy
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 10 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `sparx`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: casting u16 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/sparx64.rs:21:10
[INFO] [stderr]    |
[INFO] [stderr] 21 |     *k = (left as u32) | ((right as u32) << 16)
[INFO] [stderr]    |          ^^^^^^^^^^^^^ help: try: `u32::from(left)`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/sparx64.rs:21:27
[INFO] [stderr]    |
[INFO] [stderr] 21 |     *k = (left as u32) | ((right as u32) << 16)
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^ help: try: `u32::from(right)`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/sparx64.rs:30:10
[INFO] [stderr]    |
[INFO] [stderr] 30 |     *k = (left as u32) | ((right as u32) << 16)
[INFO] [stderr]    |          ^^^^^^^^^^^^^ help: try: `u32::from(left)`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/sparx64.rs:30:27
[INFO] [stderr]    |
[INFO] [stderr] 30 |     *k = (left as u32) | ((right as u32) << 16)
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^ help: try: `u32::from(right)`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/sparx64.rs:36:12
[INFO] [stderr]    |
[INFO] [stderr] 36 |     k[1] = ((k[1] as u16).wrapping_add(k[0] as u16) as u32) |
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from((k[1] as u16).wrapping_add(k[0] as u16))`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/sparx64.rs:37:12
[INFO] [stderr]    |
[INFO] [stderr] 37 |            (((k[1] >> 16) as u16).wrapping_add((k[0] >> 16) as u16) as u32) << 16;
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(((k[1] >> 16) as u16).wrapping_add((k[0] >> 16) as u16))`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/sparx64.rs:38:12
[INFO] [stderr]    |
[INFO] [stderr] 38 |     k[3] = ((k[3] as u16) as u32) | (((k[3] >> 16) as u16).wrapping_add(c) as u32) << 16;
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from((k[3] as u16))`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/sparx64.rs:38:37
[INFO] [stderr]    |
[INFO] [stderr] 38 |     k[3] = ((k[3] as u16) as u32) | (((k[3] >> 16) as u16).wrapping_add(c) as u32) << 16;
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(((k[3] >> 16) as u16).wrapping_add(c))`
[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: this operation will always return zero. This is likely not the intended outcome
[INFO] [stderr]   --> src/sparx64.rs:50:40
[INFO] [stderr]    |
[INFO] [stderr] 50 |     k[0] = LittleEndian::read_u32(&key[0 * 4..]);
[INFO] [stderr]    |                                        ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::erasing_op)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#erasing_op
[INFO] [stderr] 
[INFO] [stderr] warning: the operation is ineffective. Consider reducing it to `4`
[INFO] [stderr]   --> src/sparx64.rs:51:40
[INFO] [stderr]    |
[INFO] [stderr] 51 |     k[1] = LittleEndian::read_u32(&key[1 * 4..]);
[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: an inclusive range would be more readable
[INFO] [stderr]   --> src/sparx64.rs:55:14
[INFO] [stderr]    |
[INFO] [stderr] 55 |     for c in 0..(2 * STEPS + 1) {
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^ help: use: `0..=2 * STEPS`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::range_plus_one)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] error: this operation will always return zero. This is likely not the intended outcome
[INFO] [stderr]   --> src/sparx64.rs:81:48
[INFO] [stderr]    |
[INFO] [stderr] 81 |         let x0 = LittleEndian::read_u32(&block[4 * 0..]);
[INFO] [stderr]    |                                                ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#erasing_op
[INFO] [stderr] 
[INFO] [stderr] warning: the operation is ineffective. Consider reducing it to `4`
[INFO] [stderr]   --> src/sparx64.rs:82:48
[INFO] [stderr]    |
[INFO] [stderr] 82 |         let x1 = LittleEndian::read_u32(&block[4 * 1..]);
[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 u16 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/sparx64.rs:84:19
[INFO] [stderr]    |
[INFO] [stderr] 84 |         let tmp = (tmp as u32) | ((tmp as u32) << 16);
[INFO] [stderr]    |                   ^^^^^^^^^^^^ help: try: `u32::from(tmp)`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/sparx64.rs:84:35
[INFO] [stderr]    |
[INFO] [stderr] 84 |         let tmp = (tmp as u32) | ((tmp as u32) << 16);
[INFO] [stderr]    |                                   ^^^^^^^^^^^^ help: try: `u32::from(tmp)`
[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: this operation will always return zero. This is likely not the intended outcome
[INFO] [stderr]   --> src/sparx64.rs:85:44
[INFO] [stderr]    |
[INFO] [stderr] 85 |         LittleEndian::write_u32(&mut block[4 * 0..], x0 ^ x1 ^ tmp);
[INFO] [stderr]    |                                            ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#erasing_op
[INFO] [stderr] 
[INFO] [stderr] warning: the operation is ineffective. Consider reducing it to `4`
[INFO] [stderr]   --> src/sparx64.rs:86:44
[INFO] [stderr]    |
[INFO] [stderr] 86 |         LittleEndian::write_u32(&mut block[4 * 1..], x0);
[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] error: this operation will always return zero. This is likely not the intended outcome
[INFO] [stderr]    --> src/sparx64.rs:102:48
[INFO] [stderr]     |
[INFO] [stderr] 102 |         let x1 = LittleEndian::read_u32(&block[4 * 0..]);
[INFO] [stderr]     |                                                ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#erasing_op
[INFO] [stderr] 
[INFO] [stderr] warning: the operation is ineffective. Consider reducing it to `4`
[INFO] [stderr]    --> src/sparx64.rs:103:48
[INFO] [stderr]     |
[INFO] [stderr] 103 |         let x0 = LittleEndian::read_u32(&block[4 * 1..]);
[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 u16 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/sparx64.rs:105:19
[INFO] [stderr]     |
[INFO] [stderr] 105 |         let tmp = (tmp as u32) | ((tmp as u32) << 16);
[INFO] [stderr]     |                   ^^^^^^^^^^^^ help: try: `u32::from(tmp)`
[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 u32 may become silently lossy if types change
[INFO] [stderr]    --> src/sparx64.rs:105:35
[INFO] [stderr]     |
[INFO] [stderr] 105 |         let tmp = (tmp as u32) | ((tmp as u32) << 16);
[INFO] [stderr]     |                                   ^^^^^^^^^^^^ help: try: `u32::from(tmp)`
[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: this operation will always return zero. This is likely not the intended outcome
[INFO] [stderr]    --> src/sparx64.rs:106:44
[INFO] [stderr]     |
[INFO] [stderr] 106 |         LittleEndian::write_u32(&mut block[4 * 0..], x0);
[INFO] [stderr]     |                                            ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#erasing_op
[INFO] [stderr] 
[INFO] [stderr] warning: the operation is ineffective. Consider reducing it to `4`
[INFO] [stderr]    --> src/sparx64.rs:107:44
[INFO] [stderr]     |
[INFO] [stderr] 107 |         LittleEndian::write_u32(&mut block[4 * 1..], x0 ^ x1 ^ tmp);
[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 u32 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/sparx64.rs:130:14
[INFO] [stderr]     |
[INFO] [stderr] 130 |     let nc = (LittleEndian::read_u32(nonce) as u64) << 32;
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(LittleEndian::read_u32(nonce))`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/sparx128.rs:21:10
[INFO] [stderr]    |
[INFO] [stderr] 21 |     *k = (left as u32) | ((right as u32) << 16)
[INFO] [stderr]    |          ^^^^^^^^^^^^^ help: try: `u32::from(left)`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/sparx128.rs:21:27
[INFO] [stderr]    |
[INFO] [stderr] 21 |     *k = (left as u32) | ((right as u32) << 16)
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^ help: try: `u32::from(right)`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/sparx128.rs:30:10
[INFO] [stderr]    |
[INFO] [stderr] 30 |     *k = (left as u32) | ((right as u32) << 16)
[INFO] [stderr]    |          ^^^^^^^^^^^^^ help: try: `u32::from(left)`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/sparx128.rs:30:27
[INFO] [stderr]    |
[INFO] [stderr] 30 |     *k = (left as u32) | ((right as u32) << 16)
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^ help: try: `u32::from(right)`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/sparx128.rs:36:12
[INFO] [stderr]    |
[INFO] [stderr] 36 |     k[1] = ((k[1] as u16).wrapping_add(k[0] as u16) as u32) |
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from((k[1] as u16).wrapping_add(k[0] as u16))`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/sparx128.rs:37:12
[INFO] [stderr]    |
[INFO] [stderr] 37 |            (((k[1] >> 16) as u16).wrapping_add((k[0] >> 16) as u16) as u32) << 16;
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(((k[1] >> 16) as u16).wrapping_add((k[0] >> 16) as u16))`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/sparx128.rs:39:12
[INFO] [stderr]    |
[INFO] [stderr] 39 |     k[3] = ((k[3] as u16).wrapping_add(k[2] as u16) as u32) |
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from((k[3] as u16).wrapping_add(k[2] as u16))`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/sparx128.rs:40:12
[INFO] [stderr]    |
[INFO] [stderr] 40 |            (((k[3] >> 16) as u16).wrapping_add((k[2] >> 16) as u16).wrapping_add(c) as u32) << 16;
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(((k[3] >> 16) as u16).wrapping_add((k[2] >> 16) as u16).wrapping_add(c))`
[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: this operation will always return zero. This is likely not the intended outcome
[INFO] [stderr]   --> src/sparx128.rs:52:40
[INFO] [stderr]    |
[INFO] [stderr] 52 |     k[0] = LittleEndian::read_u32(&key[0 * 4..]);
[INFO] [stderr]    |                                        ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#erasing_op
[INFO] [stderr] 
[INFO] [stderr] warning: the operation is ineffective. Consider reducing it to `4`
[INFO] [stderr]   --> src/sparx128.rs:53:40
[INFO] [stderr]    |
[INFO] [stderr] 53 |     k[1] = LittleEndian::read_u32(&key[1 * 4..]);
[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: an inclusive range would be more readable
[INFO] [stderr]   --> src/sparx128.rs:57:14
[INFO] [stderr]    |
[INFO] [stderr] 57 |     for c in 0..(4 * STEPS + 1) {
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^ help: use: `0..=4 * STEPS`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] error: this operation will always return zero. This is likely not the intended outcome
[INFO] [stderr]   --> src/sparx128.rs:83:48
[INFO] [stderr]    |
[INFO] [stderr] 83 |         let x0 = LittleEndian::read_u32(&block[4 * 0..]);
[INFO] [stderr]    |                                                ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#erasing_op
[INFO] [stderr] 
[INFO] [stderr] warning: the operation is ineffective. Consider reducing it to `4`
[INFO] [stderr]   --> src/sparx128.rs:84:48
[INFO] [stderr]    |
[INFO] [stderr] 84 |         let x1 = LittleEndian::read_u32(&block[4 * 1..]);
[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 u16 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/sparx128.rs:89:19
[INFO] [stderr]    |
[INFO] [stderr] 89 |         let tmp = (tmp as u32) | ((tmp as u32) << 16);
[INFO] [stderr]    |                   ^^^^^^^^^^^^ help: try: `u32::from(tmp)`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/sparx128.rs:89:35
[INFO] [stderr]    |
[INFO] [stderr] 89 |         let tmp = (tmp as u32) | ((tmp as u32) << 16);
[INFO] [stderr]    |                                   ^^^^^^^^^^^^ help: try: `u32::from(tmp)`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/sparx128.rs:90:15
[INFO] [stderr]    |
[INFO] [stderr] 90 |         x2 = ((((x2 as u16) ^ (x1 as u16)) as u32) |
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from((x2 as u16) ^ (x1 as u16))`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/sparx128.rs:91:15
[INFO] [stderr]    |
[INFO] [stderr] 91 |               ((((x2 >> 16) as u16) ^ ((x0 >> 16) as u16)) as u32) << 16) ^ tmp;
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(((x2 >> 16) as u16) ^ ((x0 >> 16) as u16))`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/sparx128.rs:92:15
[INFO] [stderr]    |
[INFO] [stderr] 92 |         x3 = ((((x3 as u16) ^ (x0 as u16)) as u32) |
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from((x3 as u16) ^ (x0 as u16))`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/sparx128.rs:93:15
[INFO] [stderr]    |
[INFO] [stderr] 93 |               ((((x3 >> 16) as u16) ^ ((x1 >> 16) as u16)) as u32) << 16) ^ tmp;
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(((x3 >> 16) as u16) ^ ((x1 >> 16) as u16))`
[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: this operation will always return zero. This is likely not the intended outcome
[INFO] [stderr]   --> src/sparx128.rs:94:44
[INFO] [stderr]    |
[INFO] [stderr] 94 |         LittleEndian::write_u32(&mut block[4 * 0..], x2);
[INFO] [stderr]    |                                            ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#erasing_op
[INFO] [stderr] 
[INFO] [stderr] warning: the operation is ineffective. Consider reducing it to `4`
[INFO] [stderr]   --> src/sparx128.rs:95:44
[INFO] [stderr]    |
[INFO] [stderr] 95 |         LittleEndian::write_u32(&mut block[4 * 1..], x3);
[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] error: this operation will always return zero. This is likely not the intended outcome
[INFO] [stderr]    --> src/sparx128.rs:115:52
[INFO] [stderr]     |
[INFO] [stderr] 115 |         let mut x2 = LittleEndian::read_u32(&block[4 * 0..]);
[INFO] [stderr]     |                                                    ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#erasing_op
[INFO] [stderr] 
[INFO] [stderr] warning: the operation is ineffective. Consider reducing it to `4`
[INFO] [stderr]    --> src/sparx128.rs:116:52
[INFO] [stderr]     |
[INFO] [stderr] 116 |         let mut x3 = LittleEndian::read_u32(&block[4 * 1..]);
[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 u16 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/sparx128.rs:119:19
[INFO] [stderr]     |
[INFO] [stderr] 119 |         let tmp = (tmp as u32) | ((tmp as u32) << 16);
[INFO] [stderr]     |                   ^^^^^^^^^^^^ help: try: `u32::from(tmp)`
[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 u32 may become silently lossy if types change
[INFO] [stderr]    --> src/sparx128.rs:119:35
[INFO] [stderr]     |
[INFO] [stderr] 119 |         let tmp = (tmp as u32) | ((tmp as u32) << 16);
[INFO] [stderr]     |                                   ^^^^^^^^^^^^ help: try: `u32::from(tmp)`
[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 u32 may become silently lossy if types change
[INFO] [stderr]    --> src/sparx128.rs:120:15
[INFO] [stderr]     |
[INFO] [stderr] 120 |         x2 = ((((x2 as u16) ^ (x1 as u16)) as u32) |
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from((x2 as u16) ^ (x1 as u16))`
[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 u32 may become silently lossy if types change
[INFO] [stderr]    --> src/sparx128.rs:121:15
[INFO] [stderr]     |
[INFO] [stderr] 121 |               ((((x2 >> 16) as u16) ^ ((x0 >> 16) as u16)) as u32) << 16) ^ tmp;
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(((x2 >> 16) as u16) ^ ((x0 >> 16) as u16))`
[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 u32 may become silently lossy if types change
[INFO] [stderr]    --> src/sparx128.rs:122:15
[INFO] [stderr]     |
[INFO] [stderr] 122 |         x3 = ((((x3 as u16) ^ (x0 as u16)) as u32) |
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from((x3 as u16) ^ (x0 as u16))`
[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 u32 may become silently lossy if types change
[INFO] [stderr]    --> src/sparx128.rs:123:15
[INFO] [stderr]     |
[INFO] [stderr] 123 |               ((((x3 >> 16) as u16) ^ ((x1 >> 16) as u16)) as u32) << 16) ^ tmp;
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(((x3 >> 16) as u16) ^ ((x1 >> 16) as u16))`
[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: this operation will always return zero. This is likely not the intended outcome
[INFO] [stderr]    --> src/sparx128.rs:124:44
[INFO] [stderr]     |
[INFO] [stderr] 124 |         LittleEndian::write_u32(&mut block[4 * 0..], x0);
[INFO] [stderr]     |                                            ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#erasing_op
[INFO] [stderr] 
[INFO] [stderr] warning: the operation is ineffective. Consider reducing it to `4`
[INFO] [stderr]    --> src/sparx128.rs:125:44
[INFO] [stderr]     |
[INFO] [stderr] 125 |         LittleEndian::write_u32(&mut block[4 * 1..], x1);
[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: it looks like you're manually copying between slices
[INFO] [stderr]    --> src/sparx128.rs:151:14
[INFO] [stderr]     |
[INFO] [stderr] 151 |     for i in 0..(BLOCK_SIZE - 6) {
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^ help: try replacing the loop by: `nc[..(BLOCK_SIZE - 6)].clone_from_slice(&nonce[..(BLOCK_SIZE - 6)])`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::manual_memcpy)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_memcpy
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 10 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `sparx`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "298707f17485d30b2239c5d2b2a459c61cef28d56625a432a460bf91419c0e59"`
[INFO] running `"docker" "rm" "-f" "298707f17485d30b2239c5d2b2a459c61cef28d56625a432a460bf91419c0e59"`
[INFO] [stdout] 298707f17485d30b2239c5d2b2a459c61cef28d56625a432a460bf91419c0e59