[INFO] crate stdweb-internal-macros 0.2.2 is already in cache
[INFO] extracting crate stdweb-internal-macros 0.2.2 into work/ex/clippy-test-run/sources/stable/reg/stdweb-internal-macros/0.2.2
[INFO] extracting crate stdweb-internal-macros 0.2.2 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/stdweb-internal-macros/0.2.2
[INFO] validating manifest of stdweb-internal-macros-0.2.2 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 stdweb-internal-macros-0.2.2 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 stdweb-internal-macros-0.2.2
[INFO] finished frobbing stdweb-internal-macros-0.2.2
[INFO] frobbed toml for stdweb-internal-macros-0.2.2 written to work/ex/clippy-test-run/sources/stable/reg/stdweb-internal-macros/0.2.2/Cargo.toml
[INFO] started frobbing stdweb-internal-macros-0.2.2
[INFO] finished frobbing stdweb-internal-macros-0.2.2
[INFO] frobbed toml for stdweb-internal-macros-0.2.2 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/stdweb-internal-macros/0.2.2/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 stdweb-internal-macros-0.2.2 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-6/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/stdweb-internal-macros/0.2.2:/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] cde6e23d22256cfb586b4755dc65e25f58b91770b45745fa46f5b4575984bd1a
[INFO] running `"docker" "start" "-a" "cde6e23d22256cfb586b4755dc65e25f58b91770b45745fa46f5b4575984bd1a"`
[INFO] [stderr]     Checking base-x v0.2.4
[INFO] [stderr]    Compiling stdweb-internal-macros v0.2.2 (/opt/crater/workdir)
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]    Compiling serde_derive v1.0.85
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]   --> src/macro_js_export.rs:32:23
[INFO] [stderr]    |
[INFO] [stderr] 32 | const ENCODING_BASE: &'static [u8] = b"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
[INFO] [stderr]    |                      -^^^^^^^----- help: consider removing `'static`: `&[u8]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::const_static_lifetime)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]   --> src/macro_js_export.rs:32:23
[INFO] [stderr]    |
[INFO] [stderr] 32 | const ENCODING_BASE: &'static [u8] = b"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
[INFO] [stderr]    |                      -^^^^^^^----- help: consider removing `'static`: `&[u8]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::const_static_lifetime)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to both the expression and the patterns
[INFO] [stderr]   --> src/macro_js_export.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 | /     match &segment.arguments {
[INFO] [stderr] 41 | |         &syn::PathArguments::None => {},
[INFO] [stderr] 42 | |         _ => return None
[INFO] [stderr] 43 | |     }
[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: try
[INFO] [stderr]    |
[INFO] [stderr] 40 |     match segment.arguments {
[INFO] [stderr] 41 |         syn::PathArguments::None => {},
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/macro_js_export.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 | /     match ty {
[INFO] [stderr] 50 | |         &syn::Type::Reference( ref ty ) => {
[INFO] [stderr] 51 | |             assert!( ty.mutability.is_none(), "`mut` bindings are not supported" );
[INFO] [stderr] 52 | |             match *ty.elem {
[INFO] [stderr] ...  |
[INFO] [stderr] 75 | |         _ => ExportType::Unknown( ty.clone() )
[INFO] [stderr] 76 | |     }
[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] 49 |     match *ty {
[INFO] [stderr] 50 |         syn::Type::Reference( ref ty ) => {
[INFO] [stderr] 51 |             assert!( ty.mutability.is_none(), "`mut` bindings are not supported" );
[INFO] [stderr] 52 |             match *ty.elem {
[INFO] [stderr] 53 |                 syn::Type::Path( ref path ) if match_shallow_path( &path.path ).map( |path| path == "str" ).unwrap_or( false ) => {
[INFO] [stderr] 54 |                     ExportType::StrRef
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to both the expression and the patterns
[INFO] [stderr]    --> src/macro_js_export.rs:271:21
[INFO] [stderr]     |
[INFO] [stderr] 271 |       let return_ty = match &decl.output {
[INFO] [stderr]     |  _____________________^
[INFO] [stderr] 272 | |         &syn::ReturnType::Default => ExportType::Unit,
[INFO] [stderr] 273 | |         &syn::ReturnType::Type( _, ref ty ) => match_type( ty )
[INFO] [stderr] 274 | |     };
[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] 271 |     let return_ty = match decl.output {
[INFO] [stderr] 272 |         syn::ReturnType::Default => ExportType::Unit,
[INFO] [stderr] 273 |         syn::ReturnType::Type( _, ref ty ) => match_type( ty )
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/macro_async_test.rs:6:5
[INFO] [stderr]    |
[INFO] [stderr] 6  | /     match return_type {
[INFO] [stderr] 7  | |         &syn::ReturnType::Default => true,
[INFO] [stderr] 8  | |         &syn::ReturnType::Type( _, ref ty ) => {
[INFO] [stderr] 9  | |             match **ty {
[INFO] [stderr] ...  |
[INFO] [stderr] 13 | |         }
[INFO] [stderr] 14 | |     }
[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] 6  |     match *return_type {
[INFO] [stderr] 7  |         syn::ReturnType::Default => true,
[INFO] [stderr] 8  |         syn::ReturnType::Type( _, ref ty ) => {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: large size difference between variants
[INFO] [stderr]   --> src/macro_async_test.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 | /     Fallible {
[INFO] [stderr] 22 | |         callback_ident: syn::Ident,
[INFO] [stderr] 23 | |         result_ty: syn::Type
[INFO] [stderr] 24 | |     },
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::large_enum_variant)] on by default
[INFO] [stderr] help: consider boxing the large fields to reduce the total size of the enum
[INFO] [stderr]   --> src/macro_async_test.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 | /     Fallible {
[INFO] [stderr] 22 | |         callback_ident: syn::Ident,
[INFO] [stderr] 23 | |         result_ty: syn::Type
[INFO] [stderr] 24 | |     },
[INFO] [stderr]    | |_____^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#large_enum_variant
[INFO] [stderr] 
[INFO] [stderr] warning: this boolean expression can be simplified
[INFO] [stderr]   --> src/macro_async_test.rs:62:8
[INFO] [stderr]    |
[INFO] [stderr] 62 |       if !bound.path.leading_colon.is_none() ||
[INFO] [stderr]    |  ________^
[INFO] [stderr] 63 | |         bound.path.segments.len() != 1 ||
[INFO] [stderr] 64 | |         bound.path.segments[ 0 ].ident != "FnOnce"
[INFO] [stderr]    | |__________________________________________________^ help: try: `bound.path.leading_colon.is_some() || bound.path.segments.len() != 1 || bound.path.segments[ 0 ].ident != "FnOnce"`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::nonminimal_bool)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stderr] 
[INFO] [stderr] warning: the function has a cyclomatic complexity of 31
[INFO] [stderr]    --> src/macro_async_test.rs:29:1
[INFO] [stderr]     |
[INFO] [stderr] 29  | / fn check_decl( decl: &syn::FnDecl ) -> TestKind {
[INFO] [stderr] 30  | |     assert!( decl.generics.lifetimes().next().is_none(), "Lifetimes are yet not supported" );
[INFO] [stderr] 31  | |     assert!( decl.generics.where_clause.is_none(), "`where` clauses are not supported" );
[INFO] [stderr] 32  | |     assert!( decl.variadic.is_none(), "Variadic functions are not supported" );
[INFO] [stderr] ...   |
[INFO] [stderr] 179 | |     }
[INFO] [stderr] 180 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cyclomatic_complexity)] on by default
[INFO] [stderr]     = help: you could split it up into multiple smaller functions
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cyclomatic_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to both the expression and the patterns
[INFO] [stderr]   --> src/macro_js_export.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 | /     match &segment.arguments {
[INFO] [stderr] 41 | |         &syn::PathArguments::None => {},
[INFO] [stderr] 42 | |         _ => return None
[INFO] [stderr] 43 | |     }
[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: try
[INFO] [stderr]    |
[INFO] [stderr] 40 |     match segment.arguments {
[INFO] [stderr] 41 |         syn::PathArguments::None => {},
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/macro_js_export.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 | /     match ty {
[INFO] [stderr] 50 | |         &syn::Type::Reference( ref ty ) => {
[INFO] [stderr] 51 | |             assert!( ty.mutability.is_none(), "`mut` bindings are not supported" );
[INFO] [stderr] 52 | |             match *ty.elem {
[INFO] [stderr] ...  |
[INFO] [stderr] 75 | |         _ => ExportType::Unknown( ty.clone() )
[INFO] [stderr] 76 | |     }
[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] 49 |     match *ty {
[INFO] [stderr] 50 |         syn::Type::Reference( ref ty ) => {
[INFO] [stderr] 51 |             assert!( ty.mutability.is_none(), "`mut` bindings are not supported" );
[INFO] [stderr] 52 |             match *ty.elem {
[INFO] [stderr] 53 |                 syn::Type::Path( ref path ) if match_shallow_path( &path.path ).map( |path| path == "str" ).unwrap_or( false ) => {
[INFO] [stderr] 54 |                     ExportType::StrRef
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to both the expression and the patterns
[INFO] [stderr]    --> src/macro_js_export.rs:271:21
[INFO] [stderr]     |
[INFO] [stderr] 271 |       let return_ty = match &decl.output {
[INFO] [stderr]     |  _____________________^
[INFO] [stderr] 272 | |         &syn::ReturnType::Default => ExportType::Unit,
[INFO] [stderr] 273 | |         &syn::ReturnType::Type( _, ref ty ) => match_type( ty )
[INFO] [stderr] 274 | |     };
[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] 271 |     let return_ty = match decl.output {
[INFO] [stderr] 272 |         syn::ReturnType::Default => ExportType::Unit,
[INFO] [stderr] 273 |         syn::ReturnType::Type( _, ref ty ) => match_type( ty )
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/macro_async_test.rs:6:5
[INFO] [stderr]    |
[INFO] [stderr] 6  | /     match return_type {
[INFO] [stderr] 7  | |         &syn::ReturnType::Default => true,
[INFO] [stderr] 8  | |         &syn::ReturnType::Type( _, ref ty ) => {
[INFO] [stderr] 9  | |             match **ty {
[INFO] [stderr] ...  |
[INFO] [stderr] 13 | |         }
[INFO] [stderr] 14 | |     }
[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] 6  |     match *return_type {
[INFO] [stderr] 7  |         syn::ReturnType::Default => true,
[INFO] [stderr] 8  |         syn::ReturnType::Type( _, ref ty ) => {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: large size difference between variants
[INFO] [stderr]   --> src/macro_async_test.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 | /     Fallible {
[INFO] [stderr] 22 | |         callback_ident: syn::Ident,
[INFO] [stderr] 23 | |         result_ty: syn::Type
[INFO] [stderr] 24 | |     },
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::large_enum_variant)] on by default
[INFO] [stderr] help: consider boxing the large fields to reduce the total size of the enum
[INFO] [stderr]   --> src/macro_async_test.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 | /     Fallible {
[INFO] [stderr] 22 | |         callback_ident: syn::Ident,
[INFO] [stderr] 23 | |         result_ty: syn::Type
[INFO] [stderr] 24 | |     },
[INFO] [stderr]    | |_____^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#large_enum_variant
[INFO] [stderr] 
[INFO] [stderr] warning: this boolean expression can be simplified
[INFO] [stderr]   --> src/macro_async_test.rs:62:8
[INFO] [stderr]    |
[INFO] [stderr] 62 |       if !bound.path.leading_colon.is_none() ||
[INFO] [stderr]    |  ________^
[INFO] [stderr] 63 | |         bound.path.segments.len() != 1 ||
[INFO] [stderr] 64 | |         bound.path.segments[ 0 ].ident != "FnOnce"
[INFO] [stderr]    | |__________________________________________________^ help: try: `bound.path.leading_colon.is_some() || bound.path.segments.len() != 1 || bound.path.segments[ 0 ].ident != "FnOnce"`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::nonminimal_bool)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stderr] 
[INFO] [stderr] warning: the function has a cyclomatic complexity of 31
[INFO] [stderr]    --> src/macro_async_test.rs:29:1
[INFO] [stderr]     |
[INFO] [stderr] 29  | / fn check_decl( decl: &syn::FnDecl ) -> TestKind {
[INFO] [stderr] 30  | |     assert!( decl.generics.lifetimes().next().is_none(), "Lifetimes are yet not supported" );
[INFO] [stderr] 31  | |     assert!( decl.generics.where_clause.is_none(), "`where` clauses are not supported" );
[INFO] [stderr] 32  | |     assert!( decl.variadic.is_none(), "Variadic functions are not supported" );
[INFO] [stderr] ...   |
[INFO] [stderr] 179 | |     }
[INFO] [stderr] 180 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cyclomatic_complexity)] on by default
[INFO] [stderr]     = help: you could split it up into multiple smaller functions
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cyclomatic_complexity
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.67s
[INFO] running `"docker" "inspect" "cde6e23d22256cfb586b4755dc65e25f58b91770b45745fa46f5b4575984bd1a"`
[INFO] running `"docker" "rm" "-f" "cde6e23d22256cfb586b4755dc65e25f58b91770b45745fa46f5b4575984bd1a"`
[INFO] [stdout] cde6e23d22256cfb586b4755dc65e25f58b91770b45745fa46f5b4575984bd1a