[INFO] updating cached repository jrmuizel/wr-binding
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jrmuizel/wr-binding
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jrmuizel/wr-binding" "work/ex/clippy-test-run/sources/stable/gh/jrmuizel/wr-binding"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/jrmuizel/wr-binding'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jrmuizel/wr-binding" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/jrmuizel/wr-binding"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/jrmuizel/wr-binding'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7c3c4c2f31124ef642de65124d3936ba5ad3180e
[INFO] sha for GitHub repo jrmuizel/wr-binding: 7c3c4c2f31124ef642de65124d3936ba5ad3180e
[INFO] validating manifest of jrmuizel/wr-binding 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 jrmuizel/wr-binding 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 jrmuizel/wr-binding
[INFO] finished frobbing jrmuizel/wr-binding
[INFO] frobbed toml for jrmuizel/wr-binding written to work/ex/clippy-test-run/sources/stable/gh/jrmuizel/wr-binding/Cargo.toml
[INFO] started frobbing jrmuizel/wr-binding
[INFO] finished frobbing jrmuizel/wr-binding
[INFO] frobbed toml for jrmuizel/wr-binding written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/jrmuizel/wr-binding/Cargo.toml
[INFO] crate jrmuizel/wr-binding 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 jrmuizel/wr-binding against stable+rustflags=-Dclippy::into_iter_on_array for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-7/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/jrmuizel/wr-binding:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dclippy::into_iter_on_array" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+stable" "clippy" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 38bca219adf67662d5e30357cb27fac33d723422a9ca07ec9b8a7a0fc6cf3248
[INFO] running `"docker" "start" "-a" "38bca219adf67662d5e30357cb27fac33d723422a9ca07ec9b8a7a0fc6cf3248"`
[INFO] [stderr]     Checking quote v0.3.14
[INFO] [stderr]     Checking synom v0.11.2
[INFO] [stderr]     Checking syn v0.11.8
[INFO] [stderr]     Checking wr-binding v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/main.rs:186:9
[INFO] [stderr]     |
[INFO] [stderr] 186 |         deps: deps,
[INFO] [stderr]     |         ^^^^^^^^^^ help: replace it with: `deps`
[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/main.rs:255:13
[INFO] [stderr]     |
[INFO] [stderr] 255 |             c_code: c_code,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^ help: replace it with: `c_code`
[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/main.rs:256:13
[INFO] [stderr]     |
[INFO] [stderr] 256 |             ty_params: ty_params,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `ty_params`
[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/main.rs:257:13
[INFO] [stderr]     |
[INFO] [stderr] 257 |             deps: deps,
[INFO] [stderr]     |             ^^^^^^^^^^ help: replace it with: `deps`
[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/main.rs:302:21
[INFO] [stderr]     |
[INFO] [stderr] 302 |                     ty_params: ty_params,
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `ty_params`
[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/main.rs:186:9
[INFO] [stderr]     |
[INFO] [stderr] 186 |         deps: deps,
[INFO] [stderr]     |         ^^^^^^^^^^ help: replace it with: `deps`
[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/main.rs:255:13
[INFO] [stderr]     |
[INFO] [stderr] 255 |             c_code: c_code,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^ help: replace it with: `c_code`
[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/main.rs:256:13
[INFO] [stderr]     |
[INFO] [stderr] 256 |             ty_params: ty_params,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `ty_params`
[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/main.rs:257:13
[INFO] [stderr]     |
[INFO] [stderr] 257 |             deps: deps,
[INFO] [stderr]     |             ^^^^^^^^^^ help: replace it with: `deps`
[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/main.rs:302:21
[INFO] [stderr]     |
[INFO] [stderr] 302 |                     ty_params: ty_params,
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `ty_params`
[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: unneeded return statement
[INFO] [stderr]   --> src/main.rs:68:5
[INFO] [stderr]    |
[INFO] [stderr] 68 | /     return attrs
[INFO] [stderr] 69 | |                .iter()
[INFO] [stderr] 70 | |                .any(|ref attr| attr.style == AttrStyle::Outer && attr.value == target);
[INFO] [stderr]    | |_______________________________________________________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]    |
[INFO] [stderr] 68 |     attrs
[INFO] [stderr] 69 |                .iter()
[INFO] [stderr] 70 |                .any(|ref attr| attr.style == AttrStyle::Outer && attr.value == target)
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/main.rs:309:9
[INFO] [stderr]     |
[INFO] [stderr] 309 | /         return TypeAlias::Typedef(TypedefAlias {
[INFO] [stderr] 310 | |             aliased: ConvertedItem::new(converted_type.format_with_ident(&Ident::from(ident)),
[INFO] [stderr] 311 | |                                         vec![],
[INFO] [stderr] 312 | |                                         converted_type.deps),
[INFO] [stderr] 313 | |         });
[INFO] [stderr]     | |___________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]     |
[INFO] [stderr] 309 |         TypeAlias::Typedef(TypedefAlias {
[INFO] [stderr] 310 |             aliased: ConvertedItem::new(converted_type.format_with_ident(&Ident::from(ident)),
[INFO] [stderr] 311 |                                         vec![],
[INFO] [stderr] 312 |                                         converted_type.deps),
[INFO] [stderr] 313 |         })
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:68:5
[INFO] [stderr]    |
[INFO] [stderr] 68 | /     return attrs
[INFO] [stderr] 69 | |                .iter()
[INFO] [stderr] 70 | |                .any(|ref attr| attr.style == AttrStyle::Outer && attr.value == target);
[INFO] [stderr]    | |_______________________________________________________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]    |
[INFO] [stderr] 68 |     attrs
[INFO] [stderr] 69 |                .iter()
[INFO] [stderr] 70 |                .any(|ref attr| attr.style == AttrStyle::Outer && attr.value == target)
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/main.rs:309:9
[INFO] [stderr]     |
[INFO] [stderr] 309 | /         return TypeAlias::Typedef(TypedefAlias {
[INFO] [stderr] 310 | |             aliased: ConvertedItem::new(converted_type.format_with_ident(&Ident::from(ident)),
[INFO] [stderr] 311 | |                                         vec![],
[INFO] [stderr] 312 | |                                         converted_type.deps),
[INFO] [stderr] 313 | |         });
[INFO] [stderr]     | |___________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]     |
[INFO] [stderr] 309 |         TypeAlias::Typedef(TypedefAlias {
[INFO] [stderr] 310 |             aliased: ConvertedItem::new(converted_type.format_with_ident(&Ident::from(ident)),
[INFO] [stderr] 311 |                                         vec![],
[INFO] [stderr] 312 |                                         converted_type.deps),
[INFO] [stderr] 313 |         })
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/rust_lib.rs:58:17
[INFO] [stderr]    |
[INFO] [stderr] 58 | /                 if let &Some(ref inline_items) = inline_items {
[INFO] [stderr] 59 | |                     items_callback(String::from(crate_name),
[INFO] [stderr] 60 | |                                    &inline_items);
[INFO] [stderr] 61 | |                     continue;
[INFO] [stderr] 62 | |                 }
[INFO] [stderr]    | |_________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::match_ref_pats)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 58 |                 if let Some(ref inline_items) = *inline_items {
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^   ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of `writeln!(stderr(), ...).unwrap()`. Consider using `eprintln!` instead
[INFO] [stderr]   --> src/rust_lib.rs:76:21
[INFO] [stderr]    |
[INFO] [stderr] 76 |                     writeln!(io::stderr(), "warning, can't find a mod's file").unwrap();
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::explicit_write)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_write
[INFO] [stderr] 
[INFO] [stderr] warning: use of `writeln!(stderr(), ...).unwrap()`. Consider using `eprintln!` instead
[INFO] [stderr]   --> src/rust_lib.rs:86:21
[INFO] [stderr]    |
[INFO] [stderr] 86 |                     writeln!(io::stderr(), "warning, can't find an extern crate {}", next_crate_name.clone()).unwrap();
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_write
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/main.rs:67:43
[INFO] [stderr]    |
[INFO] [stderr] 67 | fn has_attribute(target: MetaItem, attrs: &Vec<Attribute>) -> bool {
[INFO] [stderr]    |                                           ^^^^^^^^^^^^^^^ help: change this to: `&[Attribute]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/main.rs:73:25
[INFO] [stderr]    |
[INFO] [stderr] 73 | fn has_no_mangle(attrs: &Vec<Attribute>) -> bool {
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^ help: change this to: `&[Attribute]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/main.rs:77:24
[INFO] [stderr]    |
[INFO] [stderr] 77 | fn wr_func_body(attrs: &Vec<Attribute>) -> String {
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^ help: change this to: `&[Attribute]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/main.rs:93:21
[INFO] [stderr]    |
[INFO] [stderr] 93 | fn is_repr_c(attrs: &Vec<Attribute>) -> bool {
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^ help: change this to: `&[Attribute]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/main.rs:98:23
[INFO] [stderr]    |
[INFO] [stderr] 98 | fn is_repr_u32(attrs: &Vec<Attribute>) -> bool {
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^ help: change this to: `&[Attribute]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/main.rs:149:5
[INFO] [stderr]     |
[INFO] [stderr] 149 | /     match ty {
[INFO] [stderr] 150 | |         &Ty::Path(_, ref p) => map_path(p),
[INFO] [stderr] 151 | |         &Ty::Ptr(ref mut_ty) => map_mut_ty(mut_ty).append_prefix("*"),
[INFO] [stderr] 152 | |         &Ty::Rptr(_, ref mut_ty) => map_mut_ty(mut_ty).append_prefix("*"),
[INFO] [stderr] ...   |
[INFO] [stderr] 155 | |         _ => ConvertedType::from(format!("unknown {:?}", ty)),
[INFO] [stderr] 156 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 149 |     match *ty {
[INFO] [stderr] 150 |         Ty::Path(_, ref p) => map_path(p),
[INFO] [stderr] 151 |         Ty::Ptr(ref mut_ty) => map_mut_ty(mut_ty).append_prefix("*"),
[INFO] [stderr] 152 |         Ty::Rptr(_, ref mut_ty) => map_mut_ty(mut_ty).append_prefix("*"),
[INFO] [stderr] 153 |         Ty::Array(ref p, ConstExpr::Lit(Lit::Int(sz, _))) => map_ty(&p).append_postfix(&format!("[{}]", sz)),
[INFO] [stderr] 154 |         Ty::BareFn(ref b) => map_fn(b),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/main.rs:160:5
[INFO] [stderr]     |
[INFO] [stderr] 160 | /     match ret {
[INFO] [stderr] 161 | |         &FunctionRetTy::Default => ConvertedType::from("void".to_string()),
[INFO] [stderr] 162 | |         &FunctionRetTy::Ty(ref ty) => map_ty(ty),
[INFO] [stderr] 163 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 160 |     match *ret {
[INFO] [stderr] 161 |         FunctionRetTy::Default => ConvertedType::from("void".to_string()),
[INFO] [stderr] 162 |         FunctionRetTy::Ty(ref ty) => map_ty(ty),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/main.rs:191:5
[INFO] [stderr]     |
[INFO] [stderr] 191 | /     match f {
[INFO] [stderr] 192 | |         &FnArg::Captured(Pat::Ident(_, ref ident, _), ref ty) => {
[INFO] [stderr] 193 | |             let mut converted = map_ty(ty);
[INFO] [stderr] 194 | |             dep_set.append(&mut converted.deps);
[INFO] [stderr] ...   |
[INFO] [stderr] 197 | |         _ => "unknown".to_string(),
[INFO] [stderr] 198 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 191 |     match *f {
[INFO] [stderr] 192 |         FnArg::Captured(Pat::Ident(_, ref ident, _), ref ty) => {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to both the expression and the patterns
[INFO] [stderr]    --> src/main.rs:221:21
[INFO] [stderr]     |
[INFO] [stderr] 221 |       let new_value = match &v.discriminant {
[INFO] [stderr]     |  _____________________^
[INFO] [stderr] 222 | |         &None => accum.1 + 1,
[INFO] [stderr] 223 | |         &Some(ConstExpr::Lit(Lit::Int(ref specified_value, _))) => *specified_value as i32,
[INFO] [stderr] 224 | |         &Some(_) => {
[INFO] [stderr] ...   |
[INFO] [stderr] 229 | |         }
[INFO] [stderr] 230 | |     };
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 221 |     let new_value = match v.discriminant {
[INFO] [stderr] 222 |         None => accum.1 + 1,
[INFO] [stderr] 223 |         Some(ConstExpr::Lit(Lit::Int(ref specified_value, _))) => *specified_value as i32,
[INFO] [stderr] 224 |         Some(_) => {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: use of `writeln!(stderr(), ...).unwrap()`. Consider using `eprintln!` instead
[INFO] [stderr]    --> src/main.rs:226:13
[INFO] [stderr]     |
[INFO] [stderr] 226 |             writeln!(io::stderr(), "warning, unsupported enum discriminant").unwrap();
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_write
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/main.rs:286:9
[INFO] [stderr]     |
[INFO] [stderr] 286 | /         if let &Ty::Path(_, ref p) = ty {
[INFO] [stderr] 287 | |             let l = p.segments[0].ident.to_string();
[INFO] [stderr] 288 | |
[INFO] [stderr] 289 | |             if !is_primitive(&l) {
[INFO] [stderr] ...   |
[INFO] [stderr] 304 | |             }
[INFO] [stderr] 305 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 286 |         if let Ty::Path(_, ref p) = *ty {
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/main.rs:317:9
[INFO] [stderr]     |
[INFO] [stderr] 317 | /         match self {
[INFO] [stderr] 318 | |             &TypeAlias::Struct(ref a) => {
[INFO] [stderr] 319 | |                 let mut deps = BTreeSet::new();
[INFO] [stderr] 320 | |
[INFO] [stderr] ...   |
[INFO] [stderr] 334 | |             &TypeAlias::Typedef(ref a) => a.aliased.deps.clone(),
[INFO] [stderr] 335 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 317 |         match *self {
[INFO] [stderr] 318 |             TypeAlias::Struct(ref a) => {
[INFO] [stderr] 319 |                 let mut deps = BTreeSet::new();
[INFO] [stderr] 320 | 
[INFO] [stderr] 321 |                 // A type alias depends on its type parameters
[INFO] [stderr] 322 |                 // and anything it's aliased type depends on
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: called `map(f)` on an Option value where `f` is a unit closure
[INFO] [stderr]    --> src/main.rs:366:9
[INFO] [stderr]     |
[INFO] [stderr] 366 |         results_ref.ds.get(dep).map(|converted| collect_deps(dst, results_ref, &converted.deps));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: try this: `if let Some(converted) = results_ref.ds.get(dep) { collect_deps(dst, results_ref, &converted.deps) }`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::option_map_unit_fn)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#option_map_unit_fn
[INFO] [stderr] 
[INFO] [stderr] warning: called `map(f)` on an Option value where `f` is a unit closure
[INFO] [stderr]    --> src/main.rs:367:9
[INFO] [stderr]     |
[INFO] [stderr] 367 |         results_ref.type_map.get(dep).map(|alias| collect_deps(dst, results_ref, &alias.deps(results_ref)));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: try this: `if let Some(alias) = results_ref.type_map.get(dep) { collect_deps(dst, results_ref, &alias.deps(results_ref)) }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#option_map_unit_fn
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/rust_lib.rs:58:17
[INFO] [stderr]    |
[INFO] [stderr] 58 | /                 if let &Some(ref inline_items) = inline_items {
[INFO] [stderr] 59 | |                     items_callback(String::from(crate_name),
[INFO] [stderr] 60 | |                                    &inline_items);
[INFO] [stderr] 61 | |                     continue;
[INFO] [stderr] 62 | |                 }
[INFO] [stderr]    | |_________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::match_ref_pats)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 58 |                 if let Some(ref inline_items) = *inline_items {
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^   ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of `writeln!(stderr(), ...).unwrap()`. Consider using `eprintln!` instead
[INFO] [stderr]   --> src/rust_lib.rs:76:21
[INFO] [stderr]    |
[INFO] [stderr] 76 |                     writeln!(io::stderr(), "warning, can't find a mod's file").unwrap();
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::explicit_write)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_write
[INFO] [stderr] 
[INFO] [stderr] warning: use of `writeln!(stderr(), ...).unwrap()`. Consider using `eprintln!` instead
[INFO] [stderr]   --> src/rust_lib.rs:86:21
[INFO] [stderr]    |
[INFO] [stderr] 86 |                     writeln!(io::stderr(), "warning, can't find an extern crate {}", next_crate_name.clone()).unwrap();
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_write
[INFO] [stderr] 
[INFO] [stderr] warning: use of `writeln!(stderr(), ...).unwrap()`. Consider using `eprintln!` instead
[INFO] [stderr]    --> src/main.rs:393:21
[INFO] [stderr]     |
[INFO] [stderr] 393 |                     writeln!(io::stderr(), "processing function {}::{}", mod_name, &item.ident).unwrap();
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_write
[INFO] [stderr] 
[INFO] [stderr] warning: use of `writeln!(stderr(), ...).unwrap()`. Consider using `eprintln!` instead
[INFO] [stderr]    --> src/main.rs:413:21
[INFO] [stderr]     |
[INFO] [stderr] 413 |                     writeln!(io::stderr(), "processing struct {}::{}", mod_name, &item.ident).unwrap();
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_write
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/main.rs:415:25
[INFO] [stderr]     |
[INFO] [stderr] 415 | /                         if let &VariantData::Struct(ref fields) = variant {
[INFO] [stderr] 416 | |                             let mut deps = BTreeSet::new();
[INFO] [stderr] 417 | |                             let mut c_code = String::new();
[INFO] [stderr] 418 | |                             let ty_params = generics.ty_params
[INFO] [stderr] ...   |
[INFO] [stderr] 438 | |                                 ConvertedItem::new(c_code, ty_params, deps));
[INFO] [stderr] 439 | |                         }
[INFO] [stderr]     | |_________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 415 |                         if let VariantData::Struct(ref fields) = *variant {
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^   ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of `writeln!(stderr(), ...).unwrap()`. Consider using `eprintln!` instead
[INFO] [stderr]    --> src/main.rs:443:21
[INFO] [stderr]     |
[INFO] [stderr] 443 |                     writeln!(io::stderr(), "processing enum {}::{}", mod_name, &item.ident).unwrap();
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_write
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/main.rs:67:43
[INFO] [stderr]    |
[INFO] [stderr] 67 | fn has_attribute(target: MetaItem, attrs: &Vec<Attribute>) -> bool {
[INFO] [stderr]    |                                           ^^^^^^^^^^^^^^^ help: change this to: `&[Attribute]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/main.rs:498:13
[INFO] [stderr]     |
[INFO] [stderr] 498 | /             match alias {
[INFO] [stderr] 499 | |                 &TypeAlias::Struct(ref alias) => {
[INFO] [stderr] 500 | |                     // Create a specialized version of the struct or enum
[INFO] [stderr] 501 | |                     // with type parameters resolved and a new name
[INFO] [stderr] ...   |
[INFO] [stderr] 516 | |                 }
[INFO] [stderr] 517 | |             }
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 498 |             match *alias {
[INFO] [stderr] 499 |                 TypeAlias::Struct(ref alias) => {
[INFO] [stderr] 500 |                     // Create a specialized version of the struct or enum
[INFO] [stderr] 501 |                     // with type parameters resolved and a new name
[INFO] [stderr] 502 |                     if let Some(aliased) = results_ref.ds.get(&alias.aliased_ident) {
[INFO] [stderr] 503 |                         let replaced_name = aliased.c_code.replace(&alias.aliased_ident,
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/main.rs:73:25
[INFO] [stderr]    |
[INFO] [stderr] 73 | fn has_no_mangle(attrs: &Vec<Attribute>) -> bool {
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^ help: change this to: `&[Attribute]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/main.rs:77:24
[INFO] [stderr]    |
[INFO] [stderr] 77 | fn wr_func_body(attrs: &Vec<Attribute>) -> String {
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^ help: change this to: `&[Attribute]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/main.rs:93:21
[INFO] [stderr]    |
[INFO] [stderr] 93 | fn is_repr_c(attrs: &Vec<Attribute>) -> bool {
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^ help: change this to: `&[Attribute]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/main.rs:98:23
[INFO] [stderr]    |
[INFO] [stderr] 98 | fn is_repr_u32(attrs: &Vec<Attribute>) -> bool {
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^ help: change this to: `&[Attribute]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/main.rs:149:5
[INFO] [stderr]     |
[INFO] [stderr] 149 | /     match ty {
[INFO] [stderr] 150 | |         &Ty::Path(_, ref p) => map_path(p),
[INFO] [stderr] 151 | |         &Ty::Ptr(ref mut_ty) => map_mut_ty(mut_ty).append_prefix("*"),
[INFO] [stderr] 152 | |         &Ty::Rptr(_, ref mut_ty) => map_mut_ty(mut_ty).append_prefix("*"),
[INFO] [stderr] ...   |
[INFO] [stderr] 155 | |         _ => ConvertedType::from(format!("unknown {:?}", ty)),
[INFO] [stderr] 156 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 149 |     match *ty {
[INFO] [stderr] 150 |         Ty::Path(_, ref p) => map_path(p),
[INFO] [stderr] 151 |         Ty::Ptr(ref mut_ty) => map_mut_ty(mut_ty).append_prefix("*"),
[INFO] [stderr] 152 |         Ty::Rptr(_, ref mut_ty) => map_mut_ty(mut_ty).append_prefix("*"),
[INFO] [stderr] 153 |         Ty::Array(ref p, ConstExpr::Lit(Lit::Int(sz, _))) => map_ty(&p).append_postfix(&format!("[{}]", sz)),
[INFO] [stderr] 154 |         Ty::BareFn(ref b) => map_fn(b),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/main.rs:160:5
[INFO] [stderr]     |
[INFO] [stderr] 160 | /     match ret {
[INFO] [stderr] 161 | |         &FunctionRetTy::Default => ConvertedType::from("void".to_string()),
[INFO] [stderr] 162 | |         &FunctionRetTy::Ty(ref ty) => map_ty(ty),
[INFO] [stderr] 163 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 160 |     match *ret {
[INFO] [stderr] 161 |         FunctionRetTy::Default => ConvertedType::from("void".to_string()),
[INFO] [stderr] 162 |         FunctionRetTy::Ty(ref ty) => map_ty(ty),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/main.rs:191:5
[INFO] [stderr]     |
[INFO] [stderr] 191 | /     match f {
[INFO] [stderr] 192 | |         &FnArg::Captured(Pat::Ident(_, ref ident, _), ref ty) => {
[INFO] [stderr] 193 | |             let mut converted = map_ty(ty);
[INFO] [stderr] 194 | |             dep_set.append(&mut converted.deps);
[INFO] [stderr] ...   |
[INFO] [stderr] 197 | |         _ => "unknown".to_string(),
[INFO] [stderr] 198 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 191 |     match *f {
[INFO] [stderr] 192 |         FnArg::Captured(Pat::Ident(_, ref ident, _), ref ty) => {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to both the expression and the patterns
[INFO] [stderr]    --> src/main.rs:221:21
[INFO] [stderr]     |
[INFO] [stderr] 221 |       let new_value = match &v.discriminant {
[INFO] [stderr]     |  _____________________^
[INFO] [stderr] 222 | |         &None => accum.1 + 1,
[INFO] [stderr] 223 | |         &Some(ConstExpr::Lit(Lit::Int(ref specified_value, _))) => *specified_value as i32,
[INFO] [stderr] 224 | |         &Some(_) => {
[INFO] [stderr] ...   |
[INFO] [stderr] 229 | |         }
[INFO] [stderr] 230 | |     };
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 221 |     let new_value = match v.discriminant {
[INFO] [stderr] 222 |         None => accum.1 + 1,
[INFO] [stderr] 223 |         Some(ConstExpr::Lit(Lit::Int(ref specified_value, _))) => *specified_value as i32,
[INFO] [stderr] 224 |         Some(_) => {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: use of `writeln!(stderr(), ...).unwrap()`. Consider using `eprintln!` instead
[INFO] [stderr]    --> src/main.rs:226:13
[INFO] [stderr]     |
[INFO] [stderr] 226 |             writeln!(io::stderr(), "warning, unsupported enum discriminant").unwrap();
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_write
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/main.rs:286:9
[INFO] [stderr]     |
[INFO] [stderr] 286 | /         if let &Ty::Path(_, ref p) = ty {
[INFO] [stderr] 287 | |             let l = p.segments[0].ident.to_string();
[INFO] [stderr] 288 | |
[INFO] [stderr] 289 | |             if !is_primitive(&l) {
[INFO] [stderr] ...   |
[INFO] [stderr] 304 | |             }
[INFO] [stderr] 305 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 286 |         if let Ty::Path(_, ref p) = *ty {
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/main.rs:317:9
[INFO] [stderr]     |
[INFO] [stderr] 317 | /         match self {
[INFO] [stderr] 318 | |             &TypeAlias::Struct(ref a) => {
[INFO] [stderr] 319 | |                 let mut deps = BTreeSet::new();
[INFO] [stderr] 320 | |
[INFO] [stderr] ...   |
[INFO] [stderr] 334 | |             &TypeAlias::Typedef(ref a) => a.aliased.deps.clone(),
[INFO] [stderr] 335 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 317 |         match *self {
[INFO] [stderr] 318 |             TypeAlias::Struct(ref a) => {
[INFO] [stderr] 319 |                 let mut deps = BTreeSet::new();
[INFO] [stderr] 320 | 
[INFO] [stderr] 321 |                 // A type alias depends on its type parameters
[INFO] [stderr] 322 |                 // and anything it's aliased type depends on
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: called `map(f)` on an Option value where `f` is a unit closure
[INFO] [stderr]    --> src/main.rs:366:9
[INFO] [stderr]     |
[INFO] [stderr] 366 |         results_ref.ds.get(dep).map(|converted| collect_deps(dst, results_ref, &converted.deps));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: try this: `if let Some(converted) = results_ref.ds.get(dep) { collect_deps(dst, results_ref, &converted.deps) }`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::option_map_unit_fn)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#option_map_unit_fn
[INFO] [stderr] 
[INFO] [stderr] warning: called `map(f)` on an Option value where `f` is a unit closure
[INFO] [stderr]    --> src/main.rs:367:9
[INFO] [stderr]     |
[INFO] [stderr] 367 |         results_ref.type_map.get(dep).map(|alias| collect_deps(dst, results_ref, &alias.deps(results_ref)));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: try this: `if let Some(alias) = results_ref.type_map.get(dep) { collect_deps(dst, results_ref, &alias.deps(results_ref)) }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#option_map_unit_fn
[INFO] [stderr] 
[INFO] [stderr] warning: use of `writeln!(stderr(), ...).unwrap()`. Consider using `eprintln!` instead
[INFO] [stderr]    --> src/main.rs:393:21
[INFO] [stderr]     |
[INFO] [stderr] 393 |                     writeln!(io::stderr(), "processing function {}::{}", mod_name, &item.ident).unwrap();
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_write
[INFO] [stderr] 
[INFO] [stderr] warning: use of `writeln!(stderr(), ...).unwrap()`. Consider using `eprintln!` instead
[INFO] [stderr]    --> src/main.rs:413:21
[INFO] [stderr]     |
[INFO] [stderr] 413 |                     writeln!(io::stderr(), "processing struct {}::{}", mod_name, &item.ident).unwrap();
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_write
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/main.rs:415:25
[INFO] [stderr]     |
[INFO] [stderr] 415 | /                         if let &VariantData::Struct(ref fields) = variant {
[INFO] [stderr] 416 | |                             let mut deps = BTreeSet::new();
[INFO] [stderr] 417 | |                             let mut c_code = String::new();
[INFO] [stderr] 418 | |                             let ty_params = generics.ty_params
[INFO] [stderr] ...   |
[INFO] [stderr] 438 | |                                 ConvertedItem::new(c_code, ty_params, deps));
[INFO] [stderr] 439 | |                         }
[INFO] [stderr]     | |_________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 415 |                         if let VariantData::Struct(ref fields) = *variant {
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^   ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of `writeln!(stderr(), ...).unwrap()`. Consider using `eprintln!` instead
[INFO] [stderr]    --> src/main.rs:443:21
[INFO] [stderr]     |
[INFO] [stderr] 443 |                     writeln!(io::stderr(), "processing enum {}::{}", mod_name, &item.ident).unwrap();
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_write
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/main.rs:498:13
[INFO] [stderr]     |
[INFO] [stderr] 498 | /             match alias {
[INFO] [stderr] 499 | |                 &TypeAlias::Struct(ref alias) => {
[INFO] [stderr] 500 | |                     // Create a specialized version of the struct or enum
[INFO] [stderr] 501 | |                     // with type parameters resolved and a new name
[INFO] [stderr] ...   |
[INFO] [stderr] 516 | |                 }
[INFO] [stderr] 517 | |             }
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 498 |             match *alias {
[INFO] [stderr] 499 |                 TypeAlias::Struct(ref alias) => {
[INFO] [stderr] 500 |                     // Create a specialized version of the struct or enum
[INFO] [stderr] 501 |                     // with type parameters resolved and a new name
[INFO] [stderr] 502 |                     if let Some(aliased) = results_ref.ds.get(&alias.aliased_ident) {
[INFO] [stderr] 503 |                         let replaced_name = aliased.c_code.replace(&alias.aliased_ident,
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.83s
[INFO] running `"docker" "inspect" "38bca219adf67662d5e30357cb27fac33d723422a9ca07ec9b8a7a0fc6cf3248"`
[INFO] running `"docker" "rm" "-f" "38bca219adf67662d5e30357cb27fac33d723422a9ca07ec9b8a7a0fc6cf3248"`
[INFO] [stdout] 38bca219adf67662d5e30357cb27fac33d723422a9ca07ec9b8a7a0fc6cf3248