[INFO] updating cached repository TuckerBMorgan/math_lib
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/TuckerBMorgan/math_lib
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/TuckerBMorgan/math_lib" "work/ex/clippy-test-run/sources/stable/gh/TuckerBMorgan/math_lib"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/TuckerBMorgan/math_lib'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/TuckerBMorgan/math_lib" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/TuckerBMorgan/math_lib"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/TuckerBMorgan/math_lib'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2868052441bd58639639c738e53e8b7a81939bd3
[INFO] sha for GitHub repo TuckerBMorgan/math_lib: 2868052441bd58639639c738e53e8b7a81939bd3
[INFO] validating manifest of TuckerBMorgan/math_lib 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 TuckerBMorgan/math_lib 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 TuckerBMorgan/math_lib
[INFO] finished frobbing TuckerBMorgan/math_lib
[INFO] frobbed toml for TuckerBMorgan/math_lib written to work/ex/clippy-test-run/sources/stable/gh/TuckerBMorgan/math_lib/Cargo.toml
[INFO] started frobbing TuckerBMorgan/math_lib
[INFO] finished frobbing TuckerBMorgan/math_lib
[INFO] frobbed toml for TuckerBMorgan/math_lib written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/TuckerBMorgan/math_lib/Cargo.toml
[INFO] crate TuckerBMorgan/math_lib 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 TuckerBMorgan/math_lib against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-0/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/TuckerBMorgan/math_lib:/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] 07919f77136b08ba3fa2f540375e4247066d68232c1f46e6d7c1c6171a155d62
[INFO] running `"docker" "start" "-a" "07919f77136b08ba3fa2f540375e4247066d68232c1f46e6d7c1c6171a155d62"`
[INFO] [stderr]     Checking math_lib v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/vec3.rs:89:9
[INFO] [stderr]    |
[INFO] [stderr] 89 |         return f32::sqrt(length);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `f32::sqrt(length)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/vec3.rs:169:9
[INFO] [stderr]     |
[INFO] [stderr] 169 |         return Vec3::dot_product(a, b) == 0f32;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Vec3::dot_product(a, b) == 0f32`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/vec3.rs:178:9
[INFO] [stderr]     |
[INFO] [stderr] 178 |         return b.mul_scaler_into_new(result);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `b.mul_scaler_into_new(result)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/vec3.rs:184:9
[INFO] [stderr]     |
[INFO] [stderr] 184 |         return Vec3::cross_product(a, b) == Vec3::ZERO();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Vec3::cross_product(a, b) == Vec3::ZERO()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/vec3.rs:210:9
[INFO] [stderr]     |
[INFO] [stderr] 210 |         return pre_cos;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^ help: remove `return` as shown: `pre_cos`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/vec3.rs:251:9
[INFO] [stderr]     |
[INFO] [stderr] 251 |         return dis < 0.0001f32;//we cannot relay on regualr equal because of floats being slightly off
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `dis < 0.0001f32`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/line.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 27 |         return cloest_point_on_line == *point;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `cloest_point_on_line == *point`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/plane.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 |         return cross;
[INFO] [stderr]    |         ^^^^^^^^^^^^^ help: remove `return` as shown: `cross`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Plane`
[INFO] [stderr]  --> src/plane.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub struct Plane {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/plane.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub fn new(a: Vec3, b: Vec3, c: Vec3) -> Plane {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `normal_of_plane`
[INFO] [stderr]   --> src/plane.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub fn normal_of_plane(&self) -> Vec3 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/vec3.rs:33:9
[INFO] [stderr]    |
[INFO] [stderr] 33 |         self.x = other.x + self.x;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.x += other.x`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::assign_op_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/vec3.rs:34:9
[INFO] [stderr]    |
[INFO] [stderr] 34 |         self.y = other.y + self.y;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.y += other.y`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/vec3.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 35 |         self.z = other.z + self.z;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.z += other.z`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/vec3.rs:45:9
[INFO] [stderr]    |
[INFO] [stderr] 45 |         self.x = self.x - other.x;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.x -= other.x`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/vec3.rs:46:9
[INFO] [stderr]    |
[INFO] [stderr] 46 |         self.y = self.y - other.y;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.y -= other.y`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/vec3.rs:47:9
[INFO] [stderr]    |
[INFO] [stderr] 47 |         self.z = self.z - other.z;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.z -= other.z`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/vec3.rs:57:9
[INFO] [stderr]    |
[INFO] [stderr] 57 |         self.x = self.x * other.x;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.x *= other.x`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/vec3.rs:58:9
[INFO] [stderr]    |
[INFO] [stderr] 58 |         self.y = self.y * other.y;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.y *= other.y`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/vec3.rs:59:9
[INFO] [stderr]    |
[INFO] [stderr] 59 |         self.z = self.z * other.z;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.z *= other.z`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/vec3.rs:66:9
[INFO] [stderr]    |
[INFO] [stderr] 66 |         self.x = self.x * scaler;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.x *= scaler`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/vec3.rs:67:9
[INFO] [stderr]    |
[INFO] [stderr] 67 |         self.y = self.y * scaler;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.y *= scaler`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/vec3.rs:68:9
[INFO] [stderr]    |
[INFO] [stderr] 68 |         self.z = self.z * scaler;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.z *= scaler`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/vec3.rs:87:9
[INFO] [stderr]    |
[INFO] [stderr] 87 |         length = length + (self.y * self.y);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `length += (self.y * self.y)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/vec3.rs:88:9
[INFO] [stderr]    |
[INFO] [stderr] 88 |         length = length + (self.z * self.z);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `length += (self.z * self.z)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/vec3.rs:97:13
[INFO] [stderr]    |
[INFO] [stderr] 97 |             self.x = self.x / length;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.x /= length`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/vec3.rs:98:13
[INFO] [stderr]    |
[INFO] [stderr] 98 |             self.y = self.y / length;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.y /= length`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/vec3.rs:99:13
[INFO] [stderr]    |
[INFO] [stderr] 99 |             self.z = self.z / length;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.z /= length`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/vec3.rs:89:9
[INFO] [stderr]    |
[INFO] [stderr] 89 |         return f32::sqrt(length);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `f32::sqrt(length)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/vec3.rs:169:9
[INFO] [stderr]     |
[INFO] [stderr] 169 |         return Vec3::dot_product(a, b) == 0f32;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Vec3::dot_product(a, b) == 0f32`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/vec3.rs:178:9
[INFO] [stderr]     |
[INFO] [stderr] 178 |         return b.mul_scaler_into_new(result);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `b.mul_scaler_into_new(result)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/vec3.rs:184:9
[INFO] [stderr]     |
[INFO] [stderr] 184 |         return Vec3::cross_product(a, b) == Vec3::ZERO();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Vec3::cross_product(a, b) == Vec3::ZERO()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/vec3.rs:210:9
[INFO] [stderr]     |
[INFO] [stderr] 210 |         return pre_cos;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^ help: remove `return` as shown: `pre_cos`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/vec3.rs:251:9
[INFO] [stderr]     |
[INFO] [stderr] 251 |         return dis < 0.0001f32;//we cannot relay on regualr equal because of floats being slightly off
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `dis < 0.0001f32`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/line.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 27 |         return cloest_point_on_line == *point;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `cloest_point_on_line == *point`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/plane.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 |         return cross;
[INFO] [stderr]    |         ^^^^^^^^^^^^^ help: remove `return` as shown: `cross`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/vec3.rs:33:9
[INFO] [stderr]    |
[INFO] [stderr] 33 |         self.x = other.x + self.x;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.x += other.x`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::assign_op_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/vec3.rs:34:9
[INFO] [stderr]    |
[INFO] [stderr] 34 |         self.y = other.y + self.y;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.y += other.y`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/vec3.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 35 |         self.z = other.z + self.z;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.z += other.z`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/vec3.rs:45:9
[INFO] [stderr]    |
[INFO] [stderr] 45 |         self.x = self.x - other.x;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.x -= other.x`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/vec3.rs:46:9
[INFO] [stderr]    |
[INFO] [stderr] 46 |         self.y = self.y - other.y;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.y -= other.y`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/vec3.rs:47:9
[INFO] [stderr]    |
[INFO] [stderr] 47 |         self.z = self.z - other.z;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.z -= other.z`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/vec3.rs:57:9
[INFO] [stderr]    |
[INFO] [stderr] 57 |         self.x = self.x * other.x;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.x *= other.x`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/vec3.rs:58:9
[INFO] [stderr]    |
[INFO] [stderr] 58 |         self.y = self.y * other.y;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.y *= other.y`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/vec3.rs:59:9
[INFO] [stderr]    |
[INFO] [stderr] 59 |         self.z = self.z * other.z;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.z *= other.z`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/vec3.rs:66:9
[INFO] [stderr]    |
[INFO] [stderr] 66 |         self.x = self.x * scaler;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.x *= scaler`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/vec3.rs:67:9
[INFO] [stderr]    |
[INFO] [stderr] 67 |         self.y = self.y * scaler;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.y *= scaler`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/vec3.rs:68:9
[INFO] [stderr]    |
[INFO] [stderr] 68 |         self.z = self.z * scaler;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.z *= scaler`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/vec3.rs:87:9
[INFO] [stderr]    |
[INFO] [stderr] 87 |         length = length + (self.y * self.y);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `length += (self.y * self.y)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/vec3.rs:88:9
[INFO] [stderr]    |
[INFO] [stderr] 88 |         length = length + (self.z * self.z);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `length += (self.z * self.z)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/vec3.rs:97:13
[INFO] [stderr]    |
[INFO] [stderr] 97 |             self.x = self.x / length;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.x /= length`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/vec3.rs:98:13
[INFO] [stderr]    |
[INFO] [stderr] 98 |             self.y = self.y / length;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.y /= length`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/vec3.rs:99:13
[INFO] [stderr]    |
[INFO] [stderr] 99 |             self.z = self.z / length;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `self.z /= length`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]   --> src/lib.rs:95:9
[INFO] [stderr]    |
[INFO] [stderr] 95 |         assert_eq!(angle, 0f32);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::float_cmp)] on by default
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]   --> src/lib.rs:95:9
[INFO] [stderr]    |
[INFO] [stderr] 95 |         assert_eq!(angle, 0f32);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `math_lib`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "07919f77136b08ba3fa2f540375e4247066d68232c1f46e6d7c1c6171a155d62"`
[INFO] running `"docker" "rm" "-f" "07919f77136b08ba3fa2f540375e4247066d68232c1f46e6d7c1c6171a155d62"`
[INFO] [stdout] 07919f77136b08ba3fa2f540375e4247066d68232c1f46e6d7c1c6171a155d62