[INFO] updating cached repository SLMT/rust-ogldev
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/SLMT/rust-ogldev
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/SLMT/rust-ogldev" "work/ex/clippy-test-run/sources/stable/gh/SLMT/rust-ogldev"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/SLMT/rust-ogldev'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/SLMT/rust-ogldev" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/SLMT/rust-ogldev"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/SLMT/rust-ogldev'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 014e9a1c9260a898d44ea36a11f62c0a92b126b2
[INFO] sha for GitHub repo SLMT/rust-ogldev: 014e9a1c9260a898d44ea36a11f62c0a92b126b2
[INFO] validating manifest of SLMT/rust-ogldev 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 SLMT/rust-ogldev 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 SLMT/rust-ogldev
[INFO] finished frobbing SLMT/rust-ogldev
[INFO] frobbed toml for SLMT/rust-ogldev written to work/ex/clippy-test-run/sources/stable/gh/SLMT/rust-ogldev/Cargo.toml
[INFO] started frobbing SLMT/rust-ogldev
[INFO] finished frobbing SLMT/rust-ogldev
[INFO] frobbed toml for SLMT/rust-ogldev written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/SLMT/rust-ogldev/Cargo.toml
[INFO] crate SLMT/rust-ogldev 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 SLMT/rust-ogldev against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-5/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/SLMT/rust-ogldev:/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] c141170cbb89e03bc7b841861a01bf3527570df490cef8ed814f7f61c0dc8964
[INFO] running `"docker" "start" "-a" "c141170cbb89e03bc7b841861a01bf3527570df490cef8ed814f7f61c0dc8964"`
[INFO] [stderr]    Compiling backtrace-sys v0.1.5
[INFO] [stderr]     Checking num_cpus v1.2.0
[INFO] [stderr]     Checking cgmath v0.12.0
[INFO] [stderr]    Compiling glium v0.15.0
[INFO] [stderr]     Checking libloading v0.3.1
[INFO] [stderr]     Checking dlib v0.3.1
[INFO] [stderr]     Checking rayon v0.5.0
[INFO] [stderr]     Checking wayland-sys v0.5.11
[INFO] [stderr]     Checking backtrace v0.2.3
[INFO] [stderr]     Checking wayland-client v0.5.12
[INFO] [stderr]     Checking jpeg-decoder v0.1.9
[INFO] [stderr]     Checking wayland-window v0.2.3
[INFO] [stderr]     Checking wayland-kbd v0.3.6
[INFO] [stderr]     Checking image v0.10.4
[INFO] [stderr]     Checking glutin v0.6.2
[INFO] [stderr]     Checking ogldev v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/pipeline.rs:70:13
[INFO] [stderr]    |
[INFO] [stderr] 70 |             fov: fov,
[INFO] [stderr]    |             ^^^^^^^^ help: replace it with: `fov`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/pipeline.rs:71:13
[INFO] [stderr]    |
[INFO] [stderr] 71 |             width: width,
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: replace it with: `width`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/pipeline.rs:72:13
[INFO] [stderr]    |
[INFO] [stderr] 72 |             height: height,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^ help: replace it with: `height`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/pipeline.rs:73:13
[INFO] [stderr]    |
[INFO] [stderr] 73 |             z_near: z_near,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^ help: replace it with: `z_near`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/pipeline.rs:74:13
[INFO] [stderr]    |
[INFO] [stderr] 74 |             z_far: z_far
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: replace it with: `z_far`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/pipeline.rs:70:13
[INFO] [stderr]    |
[INFO] [stderr] 70 |             fov: fov,
[INFO] [stderr]    |             ^^^^^^^^ help: replace it with: `fov`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/pipeline.rs:71:13
[INFO] [stderr]    |
[INFO] [stderr] 71 |             width: width,
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: replace it with: `width`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/pipeline.rs:72:13
[INFO] [stderr]    |
[INFO] [stderr] 72 |             height: height,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^ help: replace it with: `height`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/pipeline.rs:73:13
[INFO] [stderr]    |
[INFO] [stderr] 73 |             z_near: z_near,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^ help: replace it with: `z_near`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/pipeline.rs:74:13
[INFO] [stderr]    |
[INFO] [stderr] 74 |             z_far: z_far
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: replace it with: `z_far`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: this if statement can be collapsed
[INFO] [stderr]    --> src/camera.rs:151:16
[INFO] [stderr]     |
[INFO] [stderr] 151 |           } else if self.on_lower_edge {
[INFO] [stderr]     |  ________________^
[INFO] [stderr] 152 | |             if self.angle_v < 90.0 {
[INFO] [stderr] 153 | |                 self.angle_v += 0.1;
[INFO] [stderr] 154 | |                 should_update = true;
[INFO] [stderr] 155 | |             }
[INFO] [stderr] 156 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 151 |         } else if self.on_lower_edge && self.angle_v < 90.0 {
[INFO] [stderr] 152 |     self.angle_v += 0.1;
[INFO] [stderr] 153 |     should_update = true;
[INFO] [stderr] 154 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]    --> src/camera.rs:172:16
[INFO] [stderr]     |
[INFO] [stderr] 172 |           } else {
[INFO] [stderr]     |  ________________^
[INFO] [stderr] 173 | |             if h_target.x >= 0.0 {
[INFO] [stderr] 174 | |                 self.angle_h = (-h_target.z).asin().to_degrees();
[INFO] [stderr] 175 | |             } else {
[INFO] [stderr] 176 | |                 self.angle_h = 90.0 + (-h_target.z).asin().to_degrees();
[INFO] [stderr] 177 | |             }
[INFO] [stderr] 178 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 172 |         } else if h_target.x >= 0.0 {
[INFO] [stderr] 173 |     self.angle_h = (-h_target.z).asin().to_degrees();
[INFO] [stderr] 174 | } else {
[INFO] [stderr] 175 |     self.angle_h = 90.0 + (-h_target.z).asin().to_degrees();
[INFO] [stderr] 176 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider adding a `Default` implementation for `pipeline::Pipeline`
[INFO] [stderr]   --> src/pipeline.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 | /     pub fn new() -> Pipeline {
[INFO] [stderr] 34 | |         Pipeline {
[INFO] [stderr] 35 | |             scale: Vector3::new(1.0, 1.0, 1.0),
[INFO] [stderr] 36 | |             world_pos: Vector3::new(0.0, 0.0, 0.0),
[INFO] [stderr] ...  |
[INFO] [stderr] 47 | |         }
[INFO] [stderr] 48 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_without_default)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 32 | impl Default for pipeline::Pipeline {
[INFO] [stderr] 33 |     fn default() -> Self {
[INFO] [stderr] 34 |         Self::new()
[INFO] [stderr] 35 |     }
[INFO] [stderr] 36 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: this if statement can be collapsed
[INFO] [stderr]    --> src/camera.rs:151:16
[INFO] [stderr]     |
[INFO] [stderr] 151 |           } else if self.on_lower_edge {
[INFO] [stderr]     |  ________________^
[INFO] [stderr] 152 | |             if self.angle_v < 90.0 {
[INFO] [stderr] 153 | |                 self.angle_v += 0.1;
[INFO] [stderr] 154 | |                 should_update = true;
[INFO] [stderr] 155 | |             }
[INFO] [stderr] 156 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 151 |         } else if self.on_lower_edge && self.angle_v < 90.0 {
[INFO] [stderr] 152 |     self.angle_v += 0.1;
[INFO] [stderr] 153 |     should_update = true;
[INFO] [stderr] 154 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]    --> src/camera.rs:172:16
[INFO] [stderr]     |
[INFO] [stderr] 172 |           } else {
[INFO] [stderr]     |  ________________^
[INFO] [stderr] 173 | |             if h_target.x >= 0.0 {
[INFO] [stderr] 174 | |                 self.angle_h = (-h_target.z).asin().to_degrees();
[INFO] [stderr] 175 | |             } else {
[INFO] [stderr] 176 | |                 self.angle_h = 90.0 + (-h_target.z).asin().to_degrees();
[INFO] [stderr] 177 | |             }
[INFO] [stderr] 178 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 172 |         } else if h_target.x >= 0.0 {
[INFO] [stderr] 173 |     self.angle_h = (-h_target.z).asin().to_degrees();
[INFO] [stderr] 174 | } else {
[INFO] [stderr] 175 |     self.angle_h = 90.0 + (-h_target.z).asin().to_degrees();
[INFO] [stderr] 176 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider adding a `Default` implementation for `pipeline::Pipeline`
[INFO] [stderr]   --> src/pipeline.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 | /     pub fn new() -> Pipeline {
[INFO] [stderr] 34 | |         Pipeline {
[INFO] [stderr] 35 | |             scale: Vector3::new(1.0, 1.0, 1.0),
[INFO] [stderr] 36 | |             world_pos: Vector3::new(0.0, 0.0, 0.0),
[INFO] [stderr] ...  |
[INFO] [stderr] 47 | |         }
[INFO] [stderr] 48 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_without_default)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 32 | impl Default for pipeline::Pipeline {
[INFO] [stderr] 33 |     fn default() -> Self {
[INFO] [stderr] 34 |         Self::new()
[INFO] [stderr] 35 |     }
[INFO] [stderr] 36 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]   --> src/bin/tutorial_12.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     vertex_buffer
[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/bin/tutorial_12.rs:32:25
[INFO] [stderr]    |
[INFO] [stderr] 32 |     let vertex_buffer = VertexBuffer::new(display, &vertices).unwrap();
[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: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]   --> src/bin/tutorial_12.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     index_buffer
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]   --> src/bin/tutorial_12.rs:43:24
[INFO] [stderr]    |
[INFO] [stderr] 43 |     let index_buffer = IndexBuffer::new(display, PrimitiveType::TrianglesList, &indcies).unwrap();
[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: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/bin/tutorial_12.rs:129:13
[INFO] [stderr]     |
[INFO] [stderr] 129 | /             match event {
[INFO] [stderr] 130 | |                 Event::Closed => return,
[INFO] [stderr] 131 | |                 _ => ()
[INFO] [stderr] 132 | |             }
[INFO] [stderr]     | |_____________^ help: try this: `if let Event::Closed = event { return }`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/bin/tutorial_01.rs:23:13
[INFO] [stderr]    |
[INFO] [stderr] 23 | /             match event {
[INFO] [stderr] 24 | |                 Event::Closed => return,
[INFO] [stderr] 25 | |                 _ => ()
[INFO] [stderr] 26 | |             }
[INFO] [stderr]    | |_____________^ help: try this: `if let Event::Closed = event { return }`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]   --> src/bin/tutorial_03.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     vertex_buffer
[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/bin/tutorial_03.rs:28:25
[INFO] [stderr]    |
[INFO] [stderr] 28 |     let vertex_buffer = VertexBuffer::new(display, &vertices).unwrap();
[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: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]   --> src/bin/tutorial_03.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     vertex_buffer
[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/bin/tutorial_03.rs:28:25
[INFO] [stderr]    |
[INFO] [stderr] 28 |     let vertex_buffer = VertexBuffer::new(display, &vertices).unwrap();
[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: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/bin/tutorial_03.rs:86:13
[INFO] [stderr]    |
[INFO] [stderr] 86 | /             match event {
[INFO] [stderr] 87 | |                 Event::Closed => return,
[INFO] [stderr] 88 | |                 _ => ()
[INFO] [stderr] 89 | |             }
[INFO] [stderr]    | |_____________^ help: try this: `if let Event::Closed = event { return }`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/bin/tutorial_03.rs:86:13
[INFO] [stderr]    |
[INFO] [stderr] 86 | /             match event {
[INFO] [stderr] 87 | |                 Event::Closed => return,
[INFO] [stderr] 88 | |                 _ => ()
[INFO] [stderr] 89 | |             }
[INFO] [stderr]    | |_____________^ help: try this: `if let Event::Closed = event { return }`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]   --> src/bin/tutorial_11.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     vertex_buffer
[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/bin/tutorial_11.rs:29:25
[INFO] [stderr]    |
[INFO] [stderr] 29 |     let vertex_buffer = VertexBuffer::new(display, &vertices).unwrap();
[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: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]   --> src/bin/tutorial_11.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     index_buffer
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]   --> src/bin/tutorial_11.rs:40:24
[INFO] [stderr]    |
[INFO] [stderr] 40 |     let index_buffer = IndexBuffer::new(display, PrimitiveType::TrianglesList, &indcies).unwrap();
[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: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]   --> src/bin/tutorial_15.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     vertex_buffer
[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/bin/tutorial_15.rs:32:25
[INFO] [stderr]    |
[INFO] [stderr] 32 |     let vertex_buffer = VertexBuffer::new(display, &vertices).unwrap();
[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: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]   --> src/bin/tutorial_15.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     index_buffer
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]   --> src/bin/tutorial_15.rs:43:24
[INFO] [stderr]    |
[INFO] [stderr] 43 |     let index_buffer = IndexBuffer::new(display, PrimitiveType::TrianglesList, &indcies).unwrap();
[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: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]   --> src/bin/tutorial_08.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     vertex_buffer
[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/bin/tutorial_08.rs:26:25
[INFO] [stderr]    |
[INFO] [stderr] 26 |     let vertex_buffer = VertexBuffer::new(display, &vertices).unwrap();
[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: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/bin/tutorial_11.rs:126:13
[INFO] [stderr]     |
[INFO] [stderr] 126 | /             match event {
[INFO] [stderr] 127 | |                 Event::Closed => return,
[INFO] [stderr] 128 | |                 _ => ()
[INFO] [stderr] 129 | |             }
[INFO] [stderr]     | |_____________^ help: try this: `if let Event::Closed = event { return }`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/bin/tutorial_08.rs:111:13
[INFO] [stderr]     |
[INFO] [stderr] 111 | /             match event {
[INFO] [stderr] 112 | |                 Event::Closed => return,
[INFO] [stderr] 113 | |                 _ => ()
[INFO] [stderr] 114 | |             }
[INFO] [stderr]     | |_____________^ help: try this: `if let Event::Closed = event { return }`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]   --> src/bin/tutorial_16.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     vertex_buffer
[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/bin/tutorial_16.rs:37:25
[INFO] [stderr]    |
[INFO] [stderr] 37 |     let vertex_buffer = VertexBuffer::new(display, &vertices).unwrap();
[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: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]   --> src/bin/tutorial_16.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 |     index_buffer
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]   --> src/bin/tutorial_16.rs:48:24
[INFO] [stderr]    |
[INFO] [stderr] 48 |     let index_buffer = IndexBuffer::new(display, PrimitiveType::TrianglesList, &indcies).unwrap();
[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: this function has too many arguments (8/7)
[INFO] [stderr]    --> src/bin/tutorial_16.rs:87:1
[INFO] [stderr]     |
[INFO] [stderr] 87  | / fn render_scene(display: &GlutinFacade, vertex_buffer: &VertexBuffer<Vertex>,
[INFO] [stderr] 88  | |         index_buffer: &IndexBuffer<u32>, program: &Program, camera: &mut Camera, scale: f32,
[INFO] [stderr] 89  | |         texture: &Texture2d, params: &DrawParameters) {
[INFO] [stderr] 90  | | 
[INFO] [stderr] ...   |
[INFO] [stderr] 110 | |     frame.finish().unwrap();
[INFO] [stderr] 111 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::too_many_arguments)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#too_many_arguments
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]   --> src/bin/tutorial_13.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     vertex_buffer
[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/bin/tutorial_13.rs:34:25
[INFO] [stderr]    |
[INFO] [stderr] 34 |     let vertex_buffer = VertexBuffer::new(display, &vertices).unwrap();
[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: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]   --> src/bin/tutorial_13.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 46 |     index_buffer
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]   --> src/bin/tutorial_13.rs:45:24
[INFO] [stderr]    |
[INFO] [stderr] 45 |     let index_buffer = IndexBuffer::new(display, PrimitiveType::TrianglesList, &indcies).unwrap();
[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: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/bin/tutorial_13.rs:135:13
[INFO] [stderr]     |
[INFO] [stderr] 135 | /             match event {
[INFO] [stderr] 136 | |                 Event::Closed => return,
[INFO] [stderr] 137 | |                 _ => ()
[INFO] [stderr] 138 | |             }
[INFO] [stderr]     | |_____________^ help: try this: `if let Event::Closed = event { return }`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]   --> src/bin/tutorial_07.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     vertex_buffer
[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/bin/tutorial_07.rs:26:25
[INFO] [stderr]    |
[INFO] [stderr] 26 |     let vertex_buffer = VertexBuffer::new(display, &vertices).unwrap();
[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: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]   --> src/bin/tutorial_12.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     vertex_buffer
[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/bin/tutorial_12.rs:32:25
[INFO] [stderr]    |
[INFO] [stderr] 32 |     let vertex_buffer = VertexBuffer::new(display, &vertices).unwrap();
[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: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]   --> src/bin/tutorial_12.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     index_buffer
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]   --> src/bin/tutorial_12.rs:43:24
[INFO] [stderr]    |
[INFO] [stderr] 43 |     let index_buffer = IndexBuffer::new(display, PrimitiveType::TrianglesList, &indcies).unwrap();
[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: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/bin/tutorial_07.rs:112:13
[INFO] [stderr]     |
[INFO] [stderr] 112 | /             match event {
[INFO] [stderr] 113 | |                 Event::Closed => return,
[INFO] [stderr] 114 | |                 _ => ()
[INFO] [stderr] 115 | |             }
[INFO] [stderr]     | |_____________^ help: try this: `if let Event::Closed = event { return }`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/bin/tutorial_12.rs:129:13
[INFO] [stderr]     |
[INFO] [stderr] 129 | /             match event {
[INFO] [stderr] 130 | |                 Event::Closed => return,
[INFO] [stderr] 131 | |                 _ => ()
[INFO] [stderr] 132 | |             }
[INFO] [stderr]     | |_____________^ help: try this: `if let Event::Closed = event { return }`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]   --> src/bin/tutorial_11.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     vertex_buffer
[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/bin/tutorial_11.rs:29:25
[INFO] [stderr]    |
[INFO] [stderr] 29 |     let vertex_buffer = VertexBuffer::new(display, &vertices).unwrap();
[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: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]   --> src/bin/tutorial_11.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     index_buffer
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]   --> src/bin/tutorial_11.rs:40:24
[INFO] [stderr]    |
[INFO] [stderr] 40 |     let index_buffer = IndexBuffer::new(display, PrimitiveType::TrianglesList, &indcies).unwrap();
[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: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]   --> src/bin/tutorial_06.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     vertex_buffer
[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/bin/tutorial_06.rs:26:25
[INFO] [stderr]    |
[INFO] [stderr] 26 |     let vertex_buffer = VertexBuffer::new(display, &vertices).unwrap();
[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: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]   --> src/bin/tutorial_05.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     vertex_buffer
[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/bin/tutorial_05.rs:24:25
[INFO] [stderr]    |
[INFO] [stderr] 24 |     let vertex_buffer = VertexBuffer::new(display, &vertices).unwrap();
[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: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/bin/tutorial_11.rs:126:13
[INFO] [stderr]     |
[INFO] [stderr] 126 | /             match event {
[INFO] [stderr] 127 | |                 Event::Closed => return,
[INFO] [stderr] 128 | |                 _ => ()
[INFO] [stderr] 129 | |             }
[INFO] [stderr]     | |_____________^ help: try this: `if let Event::Closed = event { return }`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]   --> src/bin/tutorial_10.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     vertex_buffer
[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/bin/tutorial_10.rs:27:25
[INFO] [stderr]    |
[INFO] [stderr] 27 |     let vertex_buffer = VertexBuffer::new(display, &vertices).unwrap();
[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: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]   --> src/bin/tutorial_10.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     index_buffer
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]   --> src/bin/tutorial_10.rs:38:24
[INFO] [stderr]    |
[INFO] [stderr] 38 |     let index_buffer = IndexBuffer::new(display, PrimitiveType::TrianglesList, &indcies).unwrap();
[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: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/bin/tutorial_06.rs:110:13
[INFO] [stderr]     |
[INFO] [stderr] 110 | /             match event {
[INFO] [stderr] 111 | |                 Event::Closed => return,
[INFO] [stderr] 112 | |                 _ => ()
[INFO] [stderr] 113 | |             }
[INFO] [stderr]     | |_____________^ help: try this: `if let Event::Closed = event { return }`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/bin/tutorial_05.rs:98:13
[INFO] [stderr]     |
[INFO] [stderr] 98  | /             match event {
[INFO] [stderr] 99  | |                 Event::Closed => return,
[INFO] [stderr] 100 | |                 _ => ()
[INFO] [stderr] 101 | |             }
[INFO] [stderr]     | |_____________^ help: try this: `if let Event::Closed = event { return }`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/bin/tutorial_10.rs:130:13
[INFO] [stderr]     |
[INFO] [stderr] 130 | /             match event {
[INFO] [stderr] 131 | |                 Event::Closed => return,
[INFO] [stderr] 132 | |                 _ => ()
[INFO] [stderr] 133 | |             }
[INFO] [stderr]     | |_____________^ help: try this: `if let Event::Closed = event { return }`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]   --> src/bin/tutorial_04.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     vertex_buffer
[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/bin/tutorial_04.rs:28:25
[INFO] [stderr]    |
[INFO] [stderr] 28 |     let vertex_buffer = VertexBuffer::new(display, &vertices).unwrap();
[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: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/bin/tutorial_04.rs:90:13
[INFO] [stderr]    |
[INFO] [stderr] 90 | /             match event {
[INFO] [stderr] 91 | |                 Event::Closed => return,
[INFO] [stderr] 92 | |                 _ => ()
[INFO] [stderr] 93 | |             }
[INFO] [stderr]    | |_____________^ help: try this: `if let Event::Closed = event { return }`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]   --> src/bin/tutorial_02.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     vertex_buffer
[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/bin/tutorial_02.rs:25:25
[INFO] [stderr]    |
[INFO] [stderr] 25 |     let vertex_buffer = VertexBuffer::new(display, &point).unwrap();
[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: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/bin/tutorial_02.rs:83:13
[INFO] [stderr]    |
[INFO] [stderr] 83 | /             match event {
[INFO] [stderr] 84 | |                 Event::Closed => return,
[INFO] [stderr] 85 | |                 _ => ()
[INFO] [stderr] 86 | |             }
[INFO] [stderr]    | |_____________^ help: try this: `if let Event::Closed = event { return }`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/bin/tutorial_01.rs:23:13
[INFO] [stderr]    |
[INFO] [stderr] 23 | /             match event {
[INFO] [stderr] 24 | |                 Event::Closed => return,
[INFO] [stderr] 25 | |                 _ => ()
[INFO] [stderr] 26 | |             }
[INFO] [stderr]    | |_____________^ help: try this: `if let Event::Closed = event { return }`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]   --> src/bin/tutorial_08.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     vertex_buffer
[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/bin/tutorial_08.rs:26:25
[INFO] [stderr]    |
[INFO] [stderr] 26 |     let vertex_buffer = VertexBuffer::new(display, &vertices).unwrap();
[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: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/bin/tutorial_08.rs:111:13
[INFO] [stderr]     |
[INFO] [stderr] 111 | /             match event {
[INFO] [stderr] 112 | |                 Event::Closed => return,
[INFO] [stderr] 113 | |                 _ => ()
[INFO] [stderr] 114 | |             }
[INFO] [stderr]     | |_____________^ help: try this: `if let Event::Closed = event { return }`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]   --> src/bin/tutorial_07.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     vertex_buffer
[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/bin/tutorial_07.rs:26:25
[INFO] [stderr]    |
[INFO] [stderr] 26 |     let vertex_buffer = VertexBuffer::new(display, &vertices).unwrap();
[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: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]   --> src/bin/tutorial_04.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     vertex_buffer
[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/bin/tutorial_04.rs:28:25
[INFO] [stderr]    |
[INFO] [stderr] 28 |     let vertex_buffer = VertexBuffer::new(display, &vertices).unwrap();
[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: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/bin/tutorial_07.rs:112:13
[INFO] [stderr]     |
[INFO] [stderr] 112 | /             match event {
[INFO] [stderr] 113 | |                 Event::Closed => return,
[INFO] [stderr] 114 | |                 _ => ()
[INFO] [stderr] 115 | |             }
[INFO] [stderr]     | |_____________^ help: try this: `if let Event::Closed = event { return }`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]   --> src/bin/tutorial_14.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     vertex_buffer
[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/bin/tutorial_14.rs:31:25
[INFO] [stderr]    |
[INFO] [stderr] 31 |     let vertex_buffer = VertexBuffer::new(display, &vertices).unwrap();
[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: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]   --> src/bin/tutorial_14.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 |     index_buffer
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]   --> src/bin/tutorial_14.rs:42:24
[INFO] [stderr]    |
[INFO] [stderr] 42 |     let index_buffer = IndexBuffer::new(display, PrimitiveType::TrianglesList, &indcies).unwrap();
[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: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/bin/tutorial_04.rs:90:13
[INFO] [stderr]    |
[INFO] [stderr] 90 | /             match event {
[INFO] [stderr] 91 | |                 Event::Closed => return,
[INFO] [stderr] 92 | |                 _ => ()
[INFO] [stderr] 93 | |             }
[INFO] [stderr]    | |_____________^ help: try this: `if let Event::Closed = event { return }`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]   --> src/bin/tutorial_09.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     vertex_buffer
[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/bin/tutorial_09.rs:26:25
[INFO] [stderr]    |
[INFO] [stderr] 26 |     let vertex_buffer = VertexBuffer::new(display, &vertices).unwrap();
[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: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/bin/tutorial_09.rs:116:13
[INFO] [stderr]     |
[INFO] [stderr] 116 | /             match event {
[INFO] [stderr] 117 | |                 Event::Closed => return,
[INFO] [stderr] 118 | |                 _ => ()
[INFO] [stderr] 119 | |             }
[INFO] [stderr]     | |_____________^ help: try this: `if let Event::Closed = event { return }`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]   --> src/bin/tutorial_16.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     vertex_buffer
[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/bin/tutorial_16.rs:37:25
[INFO] [stderr]    |
[INFO] [stderr] 37 |     let vertex_buffer = VertexBuffer::new(display, &vertices).unwrap();
[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: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]   --> src/bin/tutorial_16.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 |     index_buffer
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]   --> src/bin/tutorial_16.rs:48:24
[INFO] [stderr]    |
[INFO] [stderr] 48 |     let index_buffer = IndexBuffer::new(display, PrimitiveType::TrianglesList, &indcies).unwrap();
[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: this function has too many arguments (8/7)
[INFO] [stderr]    --> src/bin/tutorial_16.rs:87:1
[INFO] [stderr]     |
[INFO] [stderr] 87  | / fn render_scene(display: &GlutinFacade, vertex_buffer: &VertexBuffer<Vertex>,
[INFO] [stderr] 88  | |         index_buffer: &IndexBuffer<u32>, program: &Program, camera: &mut Camera, scale: f32,
[INFO] [stderr] 89  | |         texture: &Texture2d, params: &DrawParameters) {
[INFO] [stderr] 90  | | 
[INFO] [stderr] ...   |
[INFO] [stderr] 110 | |     frame.finish().unwrap();
[INFO] [stderr] 111 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::too_many_arguments)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#too_many_arguments
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]   --> src/bin/tutorial_14.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     vertex_buffer
[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/bin/tutorial_14.rs:31:25
[INFO] [stderr]    |
[INFO] [stderr] 31 |     let vertex_buffer = VertexBuffer::new(display, &vertices).unwrap();
[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: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]   --> src/bin/tutorial_14.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 |     index_buffer
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]   --> src/bin/tutorial_14.rs:42:24
[INFO] [stderr]    |
[INFO] [stderr] 42 |     let index_buffer = IndexBuffer::new(display, PrimitiveType::TrianglesList, &indcies).unwrap();
[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: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]   --> src/bin/tutorial_10.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     vertex_buffer
[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/bin/tutorial_10.rs:27:25
[INFO] [stderr]    |
[INFO] [stderr] 27 |     let vertex_buffer = VertexBuffer::new(display, &vertices).unwrap();
[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: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]   --> src/bin/tutorial_10.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     index_buffer
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]   --> src/bin/tutorial_10.rs:38:24
[INFO] [stderr]    |
[INFO] [stderr] 38 |     let index_buffer = IndexBuffer::new(display, PrimitiveType::TrianglesList, &indcies).unwrap();
[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: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/bin/tutorial_10.rs:130:13
[INFO] [stderr]     |
[INFO] [stderr] 130 | /             match event {
[INFO] [stderr] 131 | |                 Event::Closed => return,
[INFO] [stderr] 132 | |                 _ => ()
[INFO] [stderr] 133 | |             }
[INFO] [stderr]     | |_____________^ help: try this: `if let Event::Closed = event { return }`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]   --> src/bin/tutorial_02.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     vertex_buffer
[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/bin/tutorial_02.rs:25:25
[INFO] [stderr]    |
[INFO] [stderr] 25 |     let vertex_buffer = VertexBuffer::new(display, &point).unwrap();
[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: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/bin/tutorial_02.rs:83:13
[INFO] [stderr]    |
[INFO] [stderr] 83 | /             match event {
[INFO] [stderr] 84 | |                 Event::Closed => return,
[INFO] [stderr] 85 | |                 _ => ()
[INFO] [stderr] 86 | |             }
[INFO] [stderr]    | |_____________^ help: try this: `if let Event::Closed = event { return }`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]   --> src/bin/tutorial_09.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     vertex_buffer
[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/bin/tutorial_09.rs:26:25
[INFO] [stderr]    |
[INFO] [stderr] 26 |     let vertex_buffer = VertexBuffer::new(display, &vertices).unwrap();
[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: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/bin/tutorial_09.rs:116:13
[INFO] [stderr]     |
[INFO] [stderr] 116 | /             match event {
[INFO] [stderr] 117 | |                 Event::Closed => return,
[INFO] [stderr] 118 | |                 _ => ()
[INFO] [stderr] 119 | |             }
[INFO] [stderr]     | |_____________^ help: try this: `if let Event::Closed = event { return }`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]   --> src/bin/tutorial_15.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     vertex_buffer
[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/bin/tutorial_15.rs:32:25
[INFO] [stderr]    |
[INFO] [stderr] 32 |     let vertex_buffer = VertexBuffer::new(display, &vertices).unwrap();
[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: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]   --> src/bin/tutorial_15.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     index_buffer
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]   --> src/bin/tutorial_15.rs:43:24
[INFO] [stderr]    |
[INFO] [stderr] 43 |     let index_buffer = IndexBuffer::new(display, PrimitiveType::TrianglesList, &indcies).unwrap();
[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: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]   --> src/bin/tutorial_06.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     vertex_buffer
[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/bin/tutorial_06.rs:26:25
[INFO] [stderr]    |
[INFO] [stderr] 26 |     let vertex_buffer = VertexBuffer::new(display, &vertices).unwrap();
[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: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/bin/tutorial_06.rs:110:13
[INFO] [stderr]     |
[INFO] [stderr] 110 | /             match event {
[INFO] [stderr] 111 | |                 Event::Closed => return,
[INFO] [stderr] 112 | |                 _ => ()
[INFO] [stderr] 113 | |             }
[INFO] [stderr]     | |_____________^ help: try this: `if let Event::Closed = event { return }`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]   --> src/bin/tutorial_13.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     vertex_buffer
[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/bin/tutorial_13.rs:34:25
[INFO] [stderr]    |
[INFO] [stderr] 34 |     let vertex_buffer = VertexBuffer::new(display, &vertices).unwrap();
[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: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]   --> src/bin/tutorial_13.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 46 |     index_buffer
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]   --> src/bin/tutorial_13.rs:45:24
[INFO] [stderr]    |
[INFO] [stderr] 45 |     let index_buffer = IndexBuffer::new(display, PrimitiveType::TrianglesList, &indcies).unwrap();
[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: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/bin/tutorial_13.rs:135:13
[INFO] [stderr]     |
[INFO] [stderr] 135 | /             match event {
[INFO] [stderr] 136 | |                 Event::Closed => return,
[INFO] [stderr] 137 | |                 _ => ()
[INFO] [stderr] 138 | |             }
[INFO] [stderr]     | |_____________^ help: try this: `if let Event::Closed = event { return }`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]   --> src/bin/tutorial_05.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     vertex_buffer
[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/bin/tutorial_05.rs:24:25
[INFO] [stderr]    |
[INFO] [stderr] 24 |     let vertex_buffer = VertexBuffer::new(display, &vertices).unwrap();
[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: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/bin/tutorial_05.rs:98:13
[INFO] [stderr]     |
[INFO] [stderr] 98  | /             match event {
[INFO] [stderr] 99  | |                 Event::Closed => return,
[INFO] [stderr] 100 | |                 _ => ()
[INFO] [stderr] 101 | |             }
[INFO] [stderr]     | |_____________^ help: try this: `if let Event::Closed = event { return }`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 24s
[INFO] running `"docker" "inspect" "c141170cbb89e03bc7b841861a01bf3527570df490cef8ed814f7f61c0dc8964"`
[INFO] running `"docker" "rm" "-f" "c141170cbb89e03bc7b841861a01bf3527570df490cef8ed814f7f61c0dc8964"`
[INFO] [stdout] c141170cbb89e03bc7b841861a01bf3527570df490cef8ed814f7f61c0dc8964