[INFO] crate optional_struct 0.2.0 is already in cache
[INFO] extracting crate optional_struct 0.2.0 into work/ex/clippy-test-run/sources/stable/reg/optional_struct/0.2.0
[INFO] extracting crate optional_struct 0.2.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/optional_struct/0.2.0
[INFO] validating manifest of optional_struct-0.2.0 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 optional_struct-0.2.0 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 optional_struct-0.2.0
[INFO] finished frobbing optional_struct-0.2.0
[INFO] frobbed toml for optional_struct-0.2.0 written to work/ex/clippy-test-run/sources/stable/reg/optional_struct/0.2.0/Cargo.toml
[INFO] started frobbing optional_struct-0.2.0
[INFO] finished frobbing optional_struct-0.2.0
[INFO] frobbed toml for optional_struct-0.2.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/optional_struct/0.2.0/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 optional_struct-0.2.0 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-4/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/reg/optional_struct/0.2.0:/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] 8a711bd4f289e2299663342714c87bf5308902326a97cee363b44ed16228ee26
[INFO] running `"docker" "start" "-a" "8a711bd4f289e2299663342714c87bf5308902326a97cee363b44ed16228ee26"`
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking optional_struct v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0602]: unknown lint: `clippy::into_iter_on_array`
[INFO] [stderr]   |
[INFO] [stderr]   = note: requested on the command line with `-D clippy::into_iter_on_array`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0602`.
[INFO] [stderr] error: Could not compile `unicode-xid`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:161:9
[INFO] [stderr]     |
[INFO] [stderr] 161 |         orignal_struct_name: orignal_struct_name,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `orignal_struct_name`
[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/lib.rs:163:9
[INFO] [stderr]     |
[INFO] [stderr] 163 |         derives: derives,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^ help: replace it with: `derives`
[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/lib.rs:161:9
[INFO] [stderr]     |
[INFO] [stderr] 161 |         orignal_struct_name: orignal_struct_name,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `orignal_struct_name`
[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/lib.rs:163:9
[INFO] [stderr]     |
[INFO] [stderr] 163 |         derives: derives,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^ help: replace it with: `derives`
[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] error[E0602]: unknown lint: `clippy::into_iter_on_array`
[INFO] [stderr]   |
[INFO] [stderr]   = note: requested on the command line with `-D clippy::into_iter_on_array`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0602`.
[INFO] [stderr] error: Could not compile `quote`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/lib.rs:29:9
[INFO] [stderr]    |
[INFO] [stderr] 29 | /         if let &syn::VariantData::Struct(ref fields) = variant_data {
[INFO] [stderr] 30 | |             return create_struct(fields, data, &ast.generics);
[INFO] [stderr] 31 | |         }
[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] 29 |         if let syn::VariantData::Struct(ref fields) = *variant_data {
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^   ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/lib.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 | /     match nested_item {
[INFO] [stderr] 57 | |         &syn::NestedMetaItem::MetaItem(ref item) => match item {
[INFO] [stderr] 58 | |             &syn::MetaItem::Word(ref ident) => ident,
[INFO] [stderr] 59 | |             _ => panic!("Only traits name are supported inside optional_struct"),
[INFO] [stderr] ...  |
[INFO] [stderr] 63 | |         }
[INFO] [stderr] 64 | |     }
[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] 56 |     match *nested_item {
[INFO] [stderr] 57 |         syn::NestedMetaItem::MetaItem(ref item) => match item {
[INFO] [stderr] 58 |             &syn::MetaItem::Word(ref ident) => ident,
[INFO] [stderr] 59 |             _ => panic!("Only traits name are supported inside optional_struct"),
[INFO] [stderr] 60 |         },
[INFO] [stderr] 61 |         syn::NestedMetaItem::Literal(_) => {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/lib.rs:57:53
[INFO] [stderr]    |
[INFO] [stderr] 57 |           &syn::NestedMetaItem::MetaItem(ref item) => match item {
[INFO] [stderr]    |  _____________________________________________________^
[INFO] [stderr] 58 | |             &syn::MetaItem::Word(ref ident) => ident,
[INFO] [stderr] 59 | |             _ => panic!("Only traits name are supported inside optional_struct"),
[INFO] [stderr] 60 | |         },
[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] 57 |         &syn::NestedMetaItem::MetaItem(ref item) => match *item {
[INFO] [stderr] 58 |             syn::MetaItem::Word(ref ident) => 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/lib.rs:85:13
[INFO] [stderr]    |
[INFO] [stderr] 85 |     values: &Vec<syn::NestedMetaItem>,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^ help: change this to: `&[syn::NestedMetaItem]`
[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/lib.rs:116:5
[INFO] [stderr]     |
[INFO] [stderr] 116 | /     match value {
[INFO] [stderr] 117 | |         &Lit::Str(ref name_value, _) => {
[INFO] [stderr] 118 | |             if name == "optional_name" {
[INFO] [stderr] 119 | |                 *struct_name = Ident::new(name_value.clone())
[INFO] [stderr] ...   |
[INFO] [stderr] 124 | |         _ => panic!("optional_name should be a string"),
[INFO] [stderr] 125 | |     }
[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] 116 |     match *value {
[INFO] [stderr] 117 |         Lit::Str(ref name_value, _) => {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to both the expression and the patterns
[INFO] [stderr]    --> src/lib.rs:138:9
[INFO] [stderr]     |
[INFO] [stderr] 138 | /         match &attribute.value {
[INFO] [stderr] 139 | |             &syn::MetaItem::Word(_) => panic!("No word attribute is supported"),
[INFO] [stderr] 140 | |             &syn::MetaItem::NameValue(ref name, ref value) => {
[INFO] [stderr] 141 | |                 handle_name_value(name, value, &mut struct_name)
[INFO] [stderr] ...   |
[INFO] [stderr] 149 | |             ),
[INFO] [stderr] 150 | |         }
[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] 138 |         match attribute.value {
[INFO] [stderr] 139 |             syn::MetaItem::Word(_) => panic!("No word attribute is supported"),
[INFO] [stderr] 140 |             syn::MetaItem::NameValue(ref name, ref value) => {
[INFO] [stderr] 141 |                 handle_name_value(name, value, &mut struct_name)
[INFO] [stderr] 142 |             }
[INFO] [stderr] 143 |             syn::MetaItem::List(ref name, ref values) => handle_list(
[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/lib.rs:168:26
[INFO] [stderr]     |
[INFO] [stderr] 168 | fn create_struct(fields: &Vec<Field>, data: Data, generics: &Generics) -> Tokens {
[INFO] [stderr]     |                          ^^^^^^^^^^^ help: change this to: `&[Field]`
[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/lib.rs:197:13
[INFO] [stderr]     |
[INFO] [stderr] 197 |     fields: &Vec<Field>,
[INFO] [stderr]     |             ^^^^^^^^^^^ help: change this to: `&[Field]`
[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: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
[INFO] [stderr]    --> src/lib.rs:204:13
[INFO] [stderr]     |
[INFO] [stderr] 204 |         let ref type_name = &field.ty;
[INFO] [stderr]     |         ----^^^^^^^^^^^^^------------- help: try: `let type_name = &(&field.ty);`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::toplevel_ref_arg)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#toplevel_ref_arg
[INFO] [stderr] 
[INFO] [stderr] warning: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
[INFO] [stderr]    --> src/lib.rs:205:13
[INFO] [stderr]     |
[INFO] [stderr] 205 |         let ref field_name = &field.ident.clone().unwrap();
[INFO] [stderr]     |         ----^^^^^^^^^^^^^^--------------------------------- help: try: `let field_name = &(&field.ident.clone().unwrap());`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#toplevel_ref_arg
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]    --> src/lib.rs:218:40
[INFO] [stderr]     |
[INFO] [stderr] 218 |             let type_name = Ident::new(nested_names.get(&type_name_string).unwrap().as_str());
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&nested_names[&type_name_string]`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::get_unwrap)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/lib.rs:29:9
[INFO] [stderr]    |
[INFO] [stderr] 29 | /         if let &syn::VariantData::Struct(ref fields) = variant_data {
[INFO] [stderr] 30 | |             return create_struct(fields, data, &ast.generics);
[INFO] [stderr] 31 | |         }
[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] 29 |         if let syn::VariantData::Struct(ref fields) = *variant_data {
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^   ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/lib.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 | /     match nested_item {
[INFO] [stderr] 57 | |         &syn::NestedMetaItem::MetaItem(ref item) => match item {
[INFO] [stderr] 58 | |             &syn::MetaItem::Word(ref ident) => ident,
[INFO] [stderr] 59 | |             _ => panic!("Only traits name are supported inside optional_struct"),
[INFO] [stderr] ...  |
[INFO] [stderr] 63 | |         }
[INFO] [stderr] 64 | |     }
[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] 56 |     match *nested_item {
[INFO] [stderr] 57 |         syn::NestedMetaItem::MetaItem(ref item) => match item {
[INFO] [stderr] 58 |             &syn::MetaItem::Word(ref ident) => ident,
[INFO] [stderr] 59 |             _ => panic!("Only traits name are supported inside optional_struct"),
[INFO] [stderr] 60 |         },
[INFO] [stderr] 61 |         syn::NestedMetaItem::Literal(_) => {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/lib.rs:57:53
[INFO] [stderr]    |
[INFO] [stderr] 57 |           &syn::NestedMetaItem::MetaItem(ref item) => match item {
[INFO] [stderr]    |  _____________________________________________________^
[INFO] [stderr] 58 | |             &syn::MetaItem::Word(ref ident) => ident,
[INFO] [stderr] 59 | |             _ => panic!("Only traits name are supported inside optional_struct"),
[INFO] [stderr] 60 | |         },
[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] 57 |         &syn::NestedMetaItem::MetaItem(ref item) => match *item {
[INFO] [stderr] 58 |             syn::MetaItem::Word(ref ident) => 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/lib.rs:85:13
[INFO] [stderr]    |
[INFO] [stderr] 85 |     values: &Vec<syn::NestedMetaItem>,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^ help: change this to: `&[syn::NestedMetaItem]`
[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/lib.rs:116:5
[INFO] [stderr]     |
[INFO] [stderr] 116 | /     match value {
[INFO] [stderr] 117 | |         &Lit::Str(ref name_value, _) => {
[INFO] [stderr] 118 | |             if name == "optional_name" {
[INFO] [stderr] 119 | |                 *struct_name = Ident::new(name_value.clone())
[INFO] [stderr] ...   |
[INFO] [stderr] 124 | |         _ => panic!("optional_name should be a string"),
[INFO] [stderr] 125 | |     }
[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] 116 |     match *value {
[INFO] [stderr] 117 |         Lit::Str(ref name_value, _) => {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to both the expression and the patterns
[INFO] [stderr]    --> src/lib.rs:138:9
[INFO] [stderr]     |
[INFO] [stderr] 138 | /         match &attribute.value {
[INFO] [stderr] 139 | |             &syn::MetaItem::Word(_) => panic!("No word attribute is supported"),
[INFO] [stderr] 140 | |             &syn::MetaItem::NameValue(ref name, ref value) => {
[INFO] [stderr] 141 | |                 handle_name_value(name, value, &mut struct_name)
[INFO] [stderr] ...   |
[INFO] [stderr] 149 | |             ),
[INFO] [stderr] 150 | |         }
[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] 138 |         match attribute.value {
[INFO] [stderr] 139 |             syn::MetaItem::Word(_) => panic!("No word attribute is supported"),
[INFO] [stderr] 140 |             syn::MetaItem::NameValue(ref name, ref value) => {
[INFO] [stderr] 141 |                 handle_name_value(name, value, &mut struct_name)
[INFO] [stderr] 142 |             }
[INFO] [stderr] 143 |             syn::MetaItem::List(ref name, ref values) => handle_list(
[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/lib.rs:168:26
[INFO] [stderr]     |
[INFO] [stderr] 168 | fn create_struct(fields: &Vec<Field>, data: Data, generics: &Generics) -> Tokens {
[INFO] [stderr]     |                          ^^^^^^^^^^^ help: change this to: `&[Field]`
[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/lib.rs:197:13
[INFO] [stderr]     |
[INFO] [stderr] 197 |     fields: &Vec<Field>,
[INFO] [stderr]     |             ^^^^^^^^^^^ help: change this to: `&[Field]`
[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: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
[INFO] [stderr]    --> src/lib.rs:204:13
[INFO] [stderr]     |
[INFO] [stderr] 204 |         let ref type_name = &field.ty;
[INFO] [stderr]     |         ----^^^^^^^^^^^^^------------- help: try: `let type_name = &(&field.ty);`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::toplevel_ref_arg)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#toplevel_ref_arg
[INFO] [stderr] 
[INFO] [stderr] warning: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
[INFO] [stderr]    --> src/lib.rs:205:13
[INFO] [stderr]     |
[INFO] [stderr] 205 |         let ref field_name = &field.ident.clone().unwrap();
[INFO] [stderr]     |         ----^^^^^^^^^^^^^^--------------------------------- help: try: `let field_name = &(&field.ident.clone().unwrap());`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#toplevel_ref_arg
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]    --> src/lib.rs:218:40
[INFO] [stderr]     |
[INFO] [stderr] 218 |             let type_name = Ident::new(nested_names.get(&type_name_string).unwrap().as_str());
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&nested_names[&type_name_string]`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::get_unwrap)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "8a711bd4f289e2299663342714c87bf5308902326a97cee363b44ed16228ee26"`
[INFO] running `"docker" "rm" "-f" "8a711bd4f289e2299663342714c87bf5308902326a97cee363b44ed16228ee26"`
[INFO] [stdout] 8a711bd4f289e2299663342714c87bf5308902326a97cee363b44ed16228ee26