[INFO] updating cached repository hclarke/tracer
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/hclarke/tracer
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/hclarke/tracer" "work/ex/clippy-test-run/sources/stable/gh/hclarke/tracer"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/hclarke/tracer'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/hclarke/tracer" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/hclarke/tracer"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/hclarke/tracer'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] dfc09da0823eab64d3d77fc8fbedbc059279cf4b
[INFO] sha for GitHub repo hclarke/tracer: dfc09da0823eab64d3d77fc8fbedbc059279cf4b
[INFO] validating manifest of hclarke/tracer 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 hclarke/tracer 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 hclarke/tracer
[INFO] finished frobbing hclarke/tracer
[INFO] frobbed toml for hclarke/tracer written to work/ex/clippy-test-run/sources/stable/gh/hclarke/tracer/Cargo.toml
[INFO] started frobbing hclarke/tracer
[INFO] finished frobbing hclarke/tracer
[INFO] frobbed toml for hclarke/tracer written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/hclarke/tracer/Cargo.toml
[INFO] crate hclarke/tracer has a lockfile. skipping
[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 hclarke/tracer 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-6/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/gh/hclarke/tracer:/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] ab896c0555ba7303fa0670307fb3cbb8fe6a705cc19f0e3075fe655dba16e3ad
[INFO] running `"docker" "start" "-a" "ab896c0555ba7303fa0670307fb3cbb8fe6a705cc19f0e3075fe655dba16e3ad"`
[INFO] [stderr]     Checking png_encode_mini v0.1.2
[INFO] [stderr]     Checking tracer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: 5th binding whose name is just one char
[INFO] [stderr]   --> src/main.rs:50:6
[INFO] [stderr]    |
[INFO] [stderr] 50 |     let z = scene(p+V3::z()*e).0-scene(p-V3::z()*e).0;
[INFO] [stderr]    |         ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::many_single_char_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 5th binding whose name is just one char
[INFO] [stderr]   --> src/main.rs:50:6
[INFO] [stderr]    |
[INFO] [stderr] 50 |     let z = scene(p+V3::z()*e).0-scene(p-V3::z()*e).0;
[INFO] [stderr]    |         ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::many_single_char_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]   --> src/rnd.rs:12:2
[INFO] [stderr]    |
[INFO] [stderr] 12 |     x
[INFO] [stderr]    |     ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::let_and_return)] on by default
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]   --> src/rnd.rs:11:10
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let x = x^(x>>32);
[INFO] [stderr]    |             ^^^^^^^^^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]  --> src/rnd.rs:6:10
[INFO] [stderr]   |
[INFO] [stderr] 6 |     let c = 0xf46053d10d8c49f5_u64;    
[INFO] [stderr]   |             ^^^^^^^^^^^^^^^^^^^^^^ help: consider: `0xf460_53d1_0d8c_49f5_u64`
[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/rnd.rs:22:8
[INFO] [stderr]    |
[INFO] [stderr] 22 |         v ^= 0xa0a50dc04975f3e1;
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^ help: consider: `0xa0a5_0dc0_4975_f3e1`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/rnd.rs:23:14
[INFO] [stderr]    |
[INFO] [stderr] 23 |         v = hash(v,0xa09be7c64159c602);
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^ help: consider: `0xa09b_e7c6_4159_c602`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/rnd.rs:24:14
[INFO] [stderr]    |
[INFO] [stderr] 24 |         v = hash(v,0xf2896bf886621af5);
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^ help: consider: `0xf289_6bf8_8662_1af5`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/rnd.rs:38:20
[INFO] [stderr]    |
[INFO] [stderr] 38 |         let v = (r>>9) | 0x3f800000;
[INFO] [stderr]    |                          ^^^^^^^^^^ help: consider: `0x3f80_0000`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/rnd.rs:45:20
[INFO] [stderr]    |
[INFO] [stderr] 45 |         let v = (r>>9) | 0x40000000;
[INFO] [stderr]    |                          ^^^^^^^^^^ help: consider: `0x4000_0000`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/rnd.rs:107:14
[INFO] [stderr]     |
[INFO] [stderr] 107 |         let bins = 0xFFFFFFFF / len;
[INFO] [stderr]     |                    ^^^^^^^^^^ help: consider: `0xFFFF_FFFF`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/rnd.rs:130:14
[INFO] [stderr]     |
[INFO] [stderr] 130 |         let bins = 0xFFFFFFFFFFFFFFFF / len;
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^ help: consider: `0xFFFF_FFFF_FFFF_FFFF`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/main.rs:47:10
[INFO] [stderr]    |
[INFO] [stderr] 47 |     let e = 0.000001;
[INFO] [stderr]    |             ^^^^^^^^ help: consider: `0.000_001`
[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: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]   --> src/rnd.rs:12:2
[INFO] [stderr]    |
[INFO] [stderr] 12 |     x
[INFO] [stderr]    |     ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::let_and_return)] on by default
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]   --> src/rnd.rs:11:10
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let x = x^(x>>32);
[INFO] [stderr]    |             ^^^^^^^^^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]  --> src/rnd.rs:6:10
[INFO] [stderr]   |
[INFO] [stderr] 6 |     let c = 0xf46053d10d8c49f5_u64;    
[INFO] [stderr]   |             ^^^^^^^^^^^^^^^^^^^^^^ help: consider: `0xf460_53d1_0d8c_49f5_u64`
[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/rnd.rs:22:8
[INFO] [stderr]    |
[INFO] [stderr] 22 |         v ^= 0xa0a50dc04975f3e1;
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^ help: consider: `0xa0a5_0dc0_4975_f3e1`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/rnd.rs:23:14
[INFO] [stderr]    |
[INFO] [stderr] 23 |         v = hash(v,0xa09be7c64159c602);
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^ help: consider: `0xa09b_e7c6_4159_c602`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/rnd.rs:24:14
[INFO] [stderr]    |
[INFO] [stderr] 24 |         v = hash(v,0xf2896bf886621af5);
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^ help: consider: `0xf289_6bf8_8662_1af5`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/rnd.rs:38:20
[INFO] [stderr]    |
[INFO] [stderr] 38 |         let v = (r>>9) | 0x3f800000;
[INFO] [stderr]    |                          ^^^^^^^^^^ help: consider: `0x3f80_0000`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/rnd.rs:45:20
[INFO] [stderr]    |
[INFO] [stderr] 45 |         let v = (r>>9) | 0x40000000;
[INFO] [stderr]    |                          ^^^^^^^^^^ help: consider: `0x4000_0000`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/rnd.rs:107:14
[INFO] [stderr]     |
[INFO] [stderr] 107 |         let bins = 0xFFFFFFFF / len;
[INFO] [stderr]     |                    ^^^^^^^^^^ help: consider: `0xFFFF_FFFF`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/rnd.rs:130:14
[INFO] [stderr]     |
[INFO] [stderr] 130 |         let bins = 0xFFFFFFFFFFFFFFFF / len;
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^ help: consider: `0xFFFF_FFFF_FFFF_FFFF`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/main.rs:47:10
[INFO] [stderr]    |
[INFO] [stderr] 47 |     let e = 0.000001;
[INFO] [stderr]    |             ^^^^^^^^ help: consider: `0.000_001`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rng`
[INFO] [stderr]    --> src/main.rs:120:14
[INFO] [stderr]     |
[INFO] [stderr] 120 | fn get_color(rng : &Rng, o:V3, d:V3) -> V3 {
[INFO] [stderr]     |              ^^^ help: consider using `_rng` instead
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rng`
[INFO] [stderr]    --> src/main.rs:120:14
[INFO] [stderr]     |
[INFO] [stderr] 120 | fn get_color(rng : &Rng, o:V3, d:V3) -> V3 {
[INFO] [stderr]     |              ^^^ help: consider using `_rng` instead
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `sval`
[INFO] [stderr]   --> src/rnd.rs:43:2
[INFO] [stderr]    |
[INFO] [stderr] 43 |     pub fn sval(&self) -> f32 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `ubox`
[INFO] [stderr]   --> src/rnd.rs:57:2
[INFO] [stderr]    |
[INFO] [stderr] 57 |     pub fn ubox<T:V>(&self) ->T {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `sbox`
[INFO] [stderr]   --> src/rnd.rs:61:2
[INFO] [stderr]    |
[INFO] [stderr] 61 |     pub fn sbox<T:V>(&self) ->T {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `gaussian2`
[INFO] [stderr]   --> src/rnd.rs:65:2
[INFO] [stderr]    |
[INFO] [stderr] 65 |     pub fn gaussian2(&self) -> V2 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `gaussian`
[INFO] [stderr]   --> src/rnd.rs:72:2
[INFO] [stderr]    |
[INFO] [stderr] 72 |     pub fn gaussian<T:V>(&self) -> T{
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `cross`
[INFO] [stderr]    --> src/vec.rs:202:2
[INFO] [stderr]     |
[INFO] [stderr] 202 |     pub fn cross(self,rhs:V3) -> V3 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_color`
[INFO] [stderr]    --> src/main.rs:120:1
[INFO] [stderr]     |
[INFO] [stderr] 120 | fn get_color(rng : &Rng, o:V3, d:V3) -> V3 {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a `u32` to a `f32`
[INFO] [stderr]   --> src/rnd.rs:39:26
[INFO] [stderr]    |
[INFO] [stderr] 39 |         let f : f32 = unsafe { std::mem::transmute(v) };
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `f32::from_bits(v)`
[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: transmute from a `u32` to a `f32`
[INFO] [stderr]   --> src/rnd.rs:46:26
[INFO] [stderr]    |
[INFO] [stderr] 46 |         let f : f32 = unsafe { std::mem::transmute(v) };
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `f32::from_bits(v)`
[INFO] [stderr]    |
[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: the operation is ineffective. Consider reducing it to `i*2`
[INFO] [stderr]   --> src/rnd.rs:77:6
[INFO] [stderr]    |
[INFO] [stderr] 77 |             v[i*2+0] = gr.0;
[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 u32 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/rnd.rs:121:13
[INFO] [stderr]     |
[INFO] [stderr] 121 |         let low = rng.sub(0).u32() as u64;
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(rng.sub(0).u32())`
[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 u32 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/rnd.rs:122:12
[INFO] [stderr]     |
[INFO] [stderr] 122 |         let hi = rng.sub(1).u32() as u64;
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(rng.sub(1).u32())`
[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: method is never used: `ubox`
[INFO] [stderr]   --> src/rnd.rs:57:2
[INFO] [stderr]    |
[INFO] [stderr] 57 |     pub fn ubox<T:V>(&self) ->T {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `sbox`
[INFO] [stderr]   --> src/rnd.rs:61:2
[INFO] [stderr]    |
[INFO] [stderr] 61 |     pub fn sbox<T:V>(&self) ->T {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `gaussian2`
[INFO] [stderr]   --> src/rnd.rs:65:2
[INFO] [stderr]    |
[INFO] [stderr] 65 |     pub fn gaussian2(&self) -> V2 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `gaussian`
[INFO] [stderr]   --> src/rnd.rs:72:2
[INFO] [stderr]    |
[INFO] [stderr] 72 |     pub fn gaussian<T:V>(&self) -> T{
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `cross`
[INFO] [stderr]    --> src/vec.rs:202:2
[INFO] [stderr]     |
[INFO] [stderr] 202 |     pub fn cross(self,rhs:V3) -> V3 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_color`
[INFO] [stderr]    --> src/main.rs:120:1
[INFO] [stderr]     |
[INFO] [stderr] 120 | fn get_color(rng : &Rng, o:V3, d:V3) -> V3 {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a `u32` to a `f32`
[INFO] [stderr]   --> src/rnd.rs:39:26
[INFO] [stderr]    |
[INFO] [stderr] 39 |         let f : f32 = unsafe { std::mem::transmute(v) };
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `f32::from_bits(v)`
[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: transmute from a `u32` to a `f32`
[INFO] [stderr]   --> src/rnd.rs:46:26
[INFO] [stderr]    |
[INFO] [stderr] 46 |         let f : f32 = unsafe { std::mem::transmute(v) };
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `f32::from_bits(v)`
[INFO] [stderr]    |
[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: the operation is ineffective. Consider reducing it to `i*2`
[INFO] [stderr]   --> src/rnd.rs:77:6
[INFO] [stderr]    |
[INFO] [stderr] 77 |             v[i*2+0] = gr.0;
[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 u32 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/rnd.rs:121:13
[INFO] [stderr]     |
[INFO] [stderr] 121 |         let low = rng.sub(0).u32() as u64;
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(rng.sub(0).u32())`
[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 u32 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/rnd.rs:122:12
[INFO] [stderr]     |
[INFO] [stderr] 122 |         let hi = rng.sub(1).u32() as u64;
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(rng.sub(1).u32())`
[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: slow zero-filling initialization
[INFO] [stderr]    --> src/main.rs:143:5
[INFO] [stderr]     |
[INFO] [stderr] 142 |     let mut frame = Vec::with_capacity(width*height*4);
[INFO] [stderr]     |                     ---------------------------------- help: consider replace allocation with: `vec![0; width*height*4]`
[INFO] [stderr] 143 |     frame.resize(width*height*4, 0);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::slow_vector_initialization)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#slow_vector_initialization
[INFO] [stderr] 
[INFO] [stderr] warning: the operation is ineffective. Consider reducing it to `(j*width+i)*4`
[INFO] [stderr]    --> src/main.rs:163:13
[INFO] [stderr]     |
[INFO] [stderr] 163 |             frame[(j*width+i)*4+0] = (col.0 * 256.0).min(255.0).max(0.0) as u8;
[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: slow zero-filling initialization
[INFO] [stderr]    --> src/main.rs:143:5
[INFO] [stderr]     |
[INFO] [stderr] 142 |     let mut frame = Vec::with_capacity(width*height*4);
[INFO] [stderr]     |                     ---------------------------------- help: consider replace allocation with: `vec![0; width*height*4]`
[INFO] [stderr] 143 |     frame.resize(width*height*4, 0);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::slow_vector_initialization)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#slow_vector_initialization
[INFO] [stderr] 
[INFO] [stderr] warning: the operation is ineffective. Consider reducing it to `(j*width+i)*4`
[INFO] [stderr]    --> src/main.rs:163:13
[INFO] [stderr]     |
[INFO] [stderr] 163 |             frame[(j*width+i)*4+0] = (col.0 * 256.0).min(255.0).max(0.0) as u8;
[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]     Finished dev [unoptimized + debuginfo] target(s) in 1.56s
[INFO] running `"docker" "inspect" "ab896c0555ba7303fa0670307fb3cbb8fe6a705cc19f0e3075fe655dba16e3ad"`
[INFO] running `"docker" "rm" "-f" "ab896c0555ba7303fa0670307fb3cbb8fe6a705cc19f0e3075fe655dba16e3ad"`
[INFO] [stdout] ab896c0555ba7303fa0670307fb3cbb8fe6a705cc19f0e3075fe655dba16e3ad