[INFO] crate immense 0.1.4 is already in cache
[INFO] extracting crate immense 0.1.4 into work/ex/clippy-test-run/sources/stable/reg/immense/0.1.4
[INFO] extracting crate immense 0.1.4 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/immense/0.1.4
[INFO] validating manifest of immense-0.1.4 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 immense-0.1.4 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 immense-0.1.4
[INFO] finished frobbing immense-0.1.4
[INFO] frobbed toml for immense-0.1.4 written to work/ex/clippy-test-run/sources/stable/reg/immense/0.1.4/Cargo.toml
[INFO] started frobbing immense-0.1.4
[INFO] finished frobbing immense-0.1.4
[INFO] frobbed toml for immense-0.1.4 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/immense/0.1.4/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting immense-0.1.4 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-7/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/immense/0.1.4:/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] 3d51bbad998c906b8d67d046fb4c9f2a338cb5006c22bf264dd015991b70118a
[INFO] running `"docker" "start" "-a" "3d51bbad998c906b8d67d046fb4c9f2a338cb5006c22bf264dd015991b70118a"`
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]     Checking alga v0.7.2
[INFO] [stderr]    Compiling auto_from v0.1.0
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling palette v0.4.1
[INFO] [stderr]     Checking nalgebra v0.16.13
[INFO] [stderr]     Checking genmesh v0.6.2
[INFO] [stderr]     Checking immense v0.1.4 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/mesh.rs:105:13
[INFO] [stderr]     |
[INFO] [stderr] 105 |             faces: faces,
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: replace it with: `faces`
[INFO] [stderr]     |
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/mesh.rs:105:13
[INFO] [stderr]     |
[INFO] [stderr] 105 |             faces: faces,
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: replace it with: `faces`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_field_names)] on by default
[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]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'nalgebra::base::array_storage::MatrixArray': renamed to `ArrayStorage`
[INFO] [stderr]   --> src/mesh.rs:22:49
[INFO] [stderr]    |
[INFO] [stderr] 22 | pub type Vertex = nalgebra::Matrix<f32, U4, U1, nalgebra::MatrixArray<f32, U4, U1>>;
[INFO] [stderr]    |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'nalgebra::base::array_storage::MatrixArray': renamed to `ArrayStorage`
[INFO] [stderr]   --> src/mesh.rs:22:49
[INFO] [stderr]    |
[INFO] [stderr] 22 | pub type Vertex = nalgebra::Matrix<f32, U4, U1, nalgebra::MatrixArray<f32, U4, U1>>;
[INFO] [stderr]    |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: redundant pattern matching, consider using `is_some()`
[INFO] [stderr]    --> src/export.rs:167:16
[INFO] [stderr]     |
[INFO] [stderr] 167 |           if let Some(_) = output_mesh.normals() {
[INFO] [stderr]     |  _________-      ^^^^^^^
[INFO] [stderr] 168 | |             try_write_mtl!(write!(
[INFO] [stderr] 169 | |                 sink,
[INFO] [stderr] 170 | |                 " {}//{}",
[INFO] [stderr] ...   |
[INFO] [stderr] 175 | |             try_write_mtl!(write!(sink, " {}", vertex_index + vertex_offset));
[INFO] [stderr] 176 | |         };
[INFO] [stderr]     | |_________- help: try this: `if output_mesh.normals().is_some()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_pattern_matching)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stderr] 
[INFO] [stderr] warning: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
[INFO] [stderr]    --> src/mesh.rs:109:5
[INFO] [stderr]     |
[INFO] [stderr] 109 | /     pub(crate) fn vertices<'a>(&'a self) -> &'a [Vertex] {
[INFO] [stderr] 110 | |         self.vertices.as_slice()
[INFO] [stderr] 111 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_lifetimes)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
[INFO] [stderr]    --> src/mesh.rs:113:5
[INFO] [stderr]     |
[INFO] [stderr] 113 | /     pub(crate) fn normals<'a>(&'a self) -> Option<&'a [Vertex]> {
[INFO] [stderr] 114 | |         self.normals.as_ref().map(|ns| ns.as_slice())
[INFO] [stderr] 115 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
[INFO] [stderr]    --> src/mesh.rs:117:5
[INFO] [stderr]     |
[INFO] [stderr] 117 | /     pub(crate) fn faces<'a>(&'a self) -> impl Iterator<Item = &'a [usize]> {
[INFO] [stderr] 118 | |         self.faces.iter().map(|f| f.as_slice())
[INFO] [stderr] 119 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a call to `default`
[INFO] [stderr]    --> src/rule/transforms.rs:254:21
[INFO] [stderr]     |
[INFO] [stderr] 254 |         source.fold(default.unwrap_or(Transform::default()), |prefix, suffix| {
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `default.unwrap_or_default()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::or_fun_call)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]    --> src/rule/transforms.rs:344:61
[INFO] [stderr]     |
[INFO] [stderr] 344 |         TransformArgument::Single(Transform::coalesce(None, transforms.iter().map(|t| *t)))
[INFO] [stderr]     |                                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `transforms.iter().cloned()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::map_clone)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `rule::Rule`
[INFO] [stderr]   --> src/rule.rs:60:5
[INFO] [stderr]    |
[INFO] [stderr] 60 | /     pub fn new() -> Rule {
[INFO] [stderr] 61 | |         Rule {
[INFO] [stderr] 62 | |             invocations: vec![],
[INFO] [stderr] 63 | |         }
[INFO] [stderr] 64 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_without_default_derive)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 28 | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: this .into_iter() call is equivalent to .iter() and will not move the Vec
[INFO] [stderr]   --> src/rule.rs:91:26
[INFO] [stderr]    |
[INFO] [stderr] 91 |                         .into_iter()
[INFO] [stderr]    |                          ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::into_iter_on_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a call to `default`
[INFO] [stderr]    --> src/rule.rs:142:9
[INFO] [stderr]     |
[INFO] [stderr] 142 |         self.transform.unwrap_or(Transform::default()).get_color()
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `self.transform.unwrap_or_default()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
[INFO] [stderr]    --> src/rule.rs:171:5
[INFO] [stderr]     |
[INFO] [stderr] 171 | /     pub fn faces<'a>(&'a self) -> impl Iterator<Item = &'a [usize]> {
[INFO] [stderr] 172 | |         self.mesh().faces()
[INFO] [stderr] 173 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
[INFO] [stderr]    --> src/rule.rs:175:5
[INFO] [stderr]     |
[INFO] [stderr] 175 | /     pub(crate) fn mesh<'a>(&'a self) -> &'a Mesh {
[INFO] [stderr] 176 | |         match self.source {
[INFO] [stderr] 177 | |             OutputMeshSource::Primitive(ref primitive) => primitive.mesh(),
[INFO] [stderr] 178 | |             OutputMeshSource::Dynamic(ref mesh) => mesh.as_ref(),
[INFO] [stderr] 179 | |         }
[INFO] [stderr] 180 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: redundant pattern matching, consider using `is_some()`
[INFO] [stderr]    --> src/export.rs:167:16
[INFO] [stderr]     |
[INFO] [stderr] 167 |           if let Some(_) = output_mesh.normals() {
[INFO] [stderr]     |  _________-      ^^^^^^^
[INFO] [stderr] 168 | |             try_write_mtl!(write!(
[INFO] [stderr] 169 | |                 sink,
[INFO] [stderr] 170 | |                 " {}//{}",
[INFO] [stderr] ...   |
[INFO] [stderr] 175 | |             try_write_mtl!(write!(sink, " {}", vertex_index + vertex_offset));
[INFO] [stderr] 176 | |         };
[INFO] [stderr]     | |_________- help: try this: `if output_mesh.normals().is_some()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_pattern_matching)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stderr] 
[INFO] [stderr] warning: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
[INFO] [stderr]    --> src/mesh.rs:109:5
[INFO] [stderr]     |
[INFO] [stderr] 109 | /     pub(crate) fn vertices<'a>(&'a self) -> &'a [Vertex] {
[INFO] [stderr] 110 | |         self.vertices.as_slice()
[INFO] [stderr] 111 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_lifetimes)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
[INFO] [stderr]    --> src/mesh.rs:113:5
[INFO] [stderr]     |
[INFO] [stderr] 113 | /     pub(crate) fn normals<'a>(&'a self) -> Option<&'a [Vertex]> {
[INFO] [stderr] 114 | |         self.normals.as_ref().map(|ns| ns.as_slice())
[INFO] [stderr] 115 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
[INFO] [stderr]    --> src/mesh.rs:117:5
[INFO] [stderr]     |
[INFO] [stderr] 117 | /     pub(crate) fn faces<'a>(&'a self) -> impl Iterator<Item = &'a [usize]> {
[INFO] [stderr] 118 | |         self.faces.iter().map(|f| f.as_slice())
[INFO] [stderr] 119 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a call to `default`
[INFO] [stderr]    --> src/rule/transforms.rs:254:21
[INFO] [stderr]     |
[INFO] [stderr] 254 |         source.fold(default.unwrap_or(Transform::default()), |prefix, suffix| {
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `default.unwrap_or_default()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::or_fun_call)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]    --> src/rule/transforms.rs:344:61
[INFO] [stderr]     |
[INFO] [stderr] 344 |         TransformArgument::Single(Transform::coalesce(None, transforms.iter().map(|t| *t)))
[INFO] [stderr]     |                                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `transforms.iter().cloned()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::map_clone)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `rule::Rule`
[INFO] [stderr]   --> src/rule.rs:60:5
[INFO] [stderr]    |
[INFO] [stderr] 60 | /     pub fn new() -> Rule {
[INFO] [stderr] 61 | |         Rule {
[INFO] [stderr] 62 | |             invocations: vec![],
[INFO] [stderr] 63 | |         }
[INFO] [stderr] 64 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_without_default_derive)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 28 | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: this .into_iter() call is equivalent to .iter() and will not move the Vec
[INFO] [stderr]   --> src/rule.rs:91:26
[INFO] [stderr]    |
[INFO] [stderr] 91 |                         .into_iter()
[INFO] [stderr]    |                          ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::into_iter_on_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a call to `default`
[INFO] [stderr]    --> src/rule.rs:142:9
[INFO] [stderr]     |
[INFO] [stderr] 142 |         self.transform.unwrap_or(Transform::default()).get_color()
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `self.transform.unwrap_or_default()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
[INFO] [stderr]    --> src/rule.rs:171:5
[INFO] [stderr]     |
[INFO] [stderr] 171 | /     pub fn faces<'a>(&'a self) -> impl Iterator<Item = &'a [usize]> {
[INFO] [stderr] 172 | |         self.mesh().faces()
[INFO] [stderr] 173 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
[INFO] [stderr]    --> src/rule.rs:175:5
[INFO] [stderr]     |
[INFO] [stderr] 175 | /     pub(crate) fn mesh<'a>(&'a self) -> &'a Mesh {
[INFO] [stderr] 176 | |         match self.source {
[INFO] [stderr] 177 | |             OutputMeshSource::Primitive(ref primitive) => primitive.mesh(),
[INFO] [stderr] 178 | |             OutputMeshSource::Dynamic(ref mesh) => mesh.as_ref(),
[INFO] [stderr] 179 | |         }
[INFO] [stderr] 180 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'rand::Rng::choose': use SliceRandom::choose instead
[INFO] [stderr]   --> examples/randtower.rs:12:18
[INFO] [stderr]    |
[INFO] [stderr] 12 |                 .choose(&[Tf::tx(0.1), Tf::tx(-0.1), Tf::tx(0.2), Tf::tx(-0.2)])
[INFO] [stderr]    |                  ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::*`
[INFO] [stderr]  --> examples/noiseland.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use rand::*;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: immediately dereferencing a reference
[INFO] [stderr]   --> examples/playpen.rs:87:18
[INFO] [stderr]    |
[INFO] [stderr] 87 |                   (*&[cube(), self.sphere.to_rule()]
[INFO] [stderr]    |  __________________^
[INFO] [stderr] 88 | |                     .choose(&mut thread_rng())
[INFO] [stderr] 89 | |                     .unwrap())
[INFO] [stderr]    | |_____________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::deref_addrof)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#deref_addrof
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 87 |                 ([cube(), self.sphere.to_rule()]
[INFO] [stderr] 88 |                     .choose(&mut thread_rng())
[INFO] [stderr] 89 |                     .unwrap())
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to f32 may become silently lossy if types change
[INFO] [stderr]   --> examples/playpen.rs:30:19
[INFO] [stderr]    |
[INFO] [stderr] 30 |     let fmt = |i| bytes[i] as f32 / 255.0;
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^ help: try: `f32::from(bytes[i])`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: use of a blacklisted/placeholder name `bar`
[INFO] [stderr]    --> examples/playpen.rs:104:13
[INFO] [stderr]     |
[INFO] [stderr] 104 |         let bar = rule![
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::blacklisted_name)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#blacklisted_name
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 53.57s
[INFO] running `"docker" "inspect" "3d51bbad998c906b8d67d046fb4c9f2a338cb5006c22bf264dd015991b70118a"`
[INFO] running `"docker" "rm" "-f" "3d51bbad998c906b8d67d046fb4c9f2a338cb5006c22bf264dd015991b70118a"`
[INFO] [stdout] 3d51bbad998c906b8d67d046fb4c9f2a338cb5006c22bf264dd015991b70118a