[INFO] crate juniper_codegen 0.10.0 is already in cache
[INFO] extracting crate juniper_codegen 0.10.0 into work/ex/clippy-test-run/sources/stable/reg/juniper_codegen/0.10.0
[INFO] extracting crate juniper_codegen 0.10.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/juniper_codegen/0.10.0
[INFO] validating manifest of juniper_codegen-0.10.0 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 juniper_codegen-0.10.0 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 juniper_codegen-0.10.0
[INFO] finished frobbing juniper_codegen-0.10.0
[INFO] frobbed toml for juniper_codegen-0.10.0 written to work/ex/clippy-test-run/sources/stable/reg/juniper_codegen/0.10.0/Cargo.toml
[INFO] started frobbing juniper_codegen-0.10.0
[INFO] finished frobbing juniper_codegen-0.10.0
[INFO] frobbed toml for juniper_codegen-0.10.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/juniper_codegen/0.10.0/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 juniper_codegen-0.10.0 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-5/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/juniper_codegen/0.10.0:/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" "-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] 1068a45a34da54a5df92f84a908e01eeb1dbcc3c4a4235230b1415b6ff6410ad
[INFO] running `"docker" "start" "-a" "1068a45a34da54a5df92f84a908e01eeb1dbcc3c4a4235230b1415b6ff6410ad"`
[INFO] [stderr]     Checking juniper_codegen v0.10.0 (/opt/crater/workdir)
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/derive_enum.rs:45:17
[INFO] [stderr]    |
[INFO] [stderr] 45 | /                 match item {
[INFO] [stderr] 46 | |                     NestedMeta::Meta(Meta::Word(ref ident)) => {
[INFO] [stderr] 47 | |                         if ident == "_internal" {
[INFO] [stderr] 48 | |                             res.internal = true;
[INFO] [stderr] ...  |
[INFO] [stderr] 52 | |                     _ => {}
[INFO] [stderr] 53 | |                 }
[INFO] [stderr]    | |_________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 45 |                 if let NestedMeta::Meta(Meta::Word(ref ident)) = item {
[INFO] [stderr] 46 |     if ident == "_internal" {
[INFO] [stderr] 47 |         res.internal = true;
[INFO] [stderr] 48 |         continue;
[INFO] [stderr] 49 |     }
[INFO] [stderr] 50 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]    --> src/derive_enum.rs:121:27
[INFO] [stderr]     |
[INFO] [stderr] 121 |     let name = attrs.name.unwrap_or(ast.ident.to_string());
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| ast.ident.to_string())`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::or_fun_call)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]    --> src/derive_enum.rs:150:14
[INFO] [stderr]     |
[INFO] [stderr] 150 |             .unwrap_or(::util::to_upper_snake_case(&variant.ident.to_string()));
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| ::util::to_upper_snake_case(&variant.ident.to_string()))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/derive_input_object.rs:41:17
[INFO] [stderr]    |
[INFO] [stderr] 41 | /                 match item {
[INFO] [stderr] 42 | |                     NestedMeta::Meta(Meta::Word(ref ident)) => {
[INFO] [stderr] 43 | |                         if ident == "_internal" {
[INFO] [stderr] 44 | |                             res.internal = true;
[INFO] [stderr] ...  |
[INFO] [stderr] 48 | |                     _ => {}
[INFO] [stderr] 49 | |                 }
[INFO] [stderr]    | |_________________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 41 |                 if let NestedMeta::Meta(Meta::Word(ref ident)) = item {
[INFO] [stderr] 42 |     if ident == "_internal" {
[INFO] [stderr] 43 |         res.internal = true;
[INFO] [stderr] 44 |         continue;
[INFO] [stderr] 45 |     }
[INFO] [stderr] 46 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/derive_input_object.rs:97:17
[INFO] [stderr]     |
[INFO] [stderr] 97  | /                 match item {
[INFO] [stderr] 98  | |                     NestedMeta::Meta(Meta::Word(ref ident)) => {
[INFO] [stderr] 99  | |                         if ident == "default" {
[INFO] [stderr] 100 | |                             res.default = true;
[INFO] [stderr] ...   |
[INFO] [stderr] 104 | |                     _ => {}
[INFO] [stderr] 105 | |                 }
[INFO] [stderr]     | |_________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 97  |                 if let NestedMeta::Meta(Meta::Word(ref ident)) = item {
[INFO] [stderr] 98  |     if ident == "default" {
[INFO] [stderr] 99  |         res.default = true;
[INFO] [stderr] 100 |         continue;
[INFO] [stderr] 101 |     }
[INFO] [stderr] 102 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]    --> src/derive_input_object.rs:134:27
[INFO] [stderr]     |
[INFO] [stderr] 134 |     let name = attrs.name.unwrap_or(ast.ident.to_string());
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| ast.ident.to_string())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: Err(_) will match all errors, maybe not a good idea
[INFO] [stderr]    --> src/derive_input_object.rs:183:25
[INFO] [stderr]     |
[INFO] [stderr] 183 |                         Err(_) => {
[INFO] [stderr]     |                         ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::match_wild_err_arm)] on by default
[INFO] [stderr]     = note: to remove this warning, match each error separately or use unreachable macro
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_wild_err_arm
[INFO] [stderr] 
[INFO] [stderr] warning: Err(_) will match all errors, maybe not a good idea
[INFO] [stderr]    --> src/derive_input_object.rs:179:29
[INFO] [stderr]     |
[INFO] [stderr] 179 |                             Err(_) => {
[INFO] [stderr]     |                             ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: to remove this warning, match each error separately or use unreachable macro
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_wild_err_arm
[INFO] [stderr] 
[INFO] [stderr] warning: redundant pattern matching, consider using `is_some()`
[INFO] [stderr]   --> src/derive_object.rs:85:24
[INFO] [stderr]    |
[INFO] [stderr] 85 |                   if let Some(_) = keyed_item_value(&item, "skip", AttributeValidation::Bare) {
[INFO] [stderr]    |  _________________-      ^^^^^^^
[INFO] [stderr] 86 | |                     res.skip = true;
[INFO] [stderr] 87 | |                     continue;
[INFO] [stderr] 88 | |                 }
[INFO] [stderr]    | |_________________- help: try this: `if keyed_item_value(&item, "skip", AttributeValidation::Bare).is_some()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_pattern_matching)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/derive_enum.rs:45:17
[INFO] [stderr]    |
[INFO] [stderr] 45 | /                 match item {
[INFO] [stderr] 46 | |                     NestedMeta::Meta(Meta::Word(ref ident)) => {
[INFO] [stderr] 47 | |                         if ident == "_internal" {
[INFO] [stderr] 48 | |                             res.internal = true;
[INFO] [stderr] ...  |
[INFO] [stderr] 52 | |                     _ => {}
[INFO] [stderr] 53 | |                 }
[INFO] [stderr]    | |_________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 45 |                 if let NestedMeta::Meta(Meta::Word(ref ident)) = item {
[INFO] [stderr] 46 |     if ident == "_internal" {
[INFO] [stderr] 47 |         res.internal = true;
[INFO] [stderr] 48 |         continue;
[INFO] [stderr] 49 |     }
[INFO] [stderr] 50 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]    --> src/derive_object.rs:117:27
[INFO] [stderr]     |
[INFO] [stderr] 117 |     let name = attrs.name.unwrap_or(ast.ident.to_string());
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| ast.ident.to_string())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]    --> src/derive_enum.rs:121:27
[INFO] [stderr]     |
[INFO] [stderr] 121 |     let name = attrs.name.unwrap_or(ast.ident.to_string());
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| ast.ident.to_string())`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::or_fun_call)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]    --> src/derive_enum.rs:150:14
[INFO] [stderr]     |
[INFO] [stderr] 150 |             .unwrap_or(::util::to_upper_snake_case(&variant.ident.to_string()));
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| ::util::to_upper_snake_case(&variant.ident.to_string()))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/util.rs:16:31
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub fn get_doc_comment(attrs: &Vec<Attribute>) -> Option<String> {
[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/util.rs:26:27
[INFO] [stderr]    |
[INFO] [stderr] 26 | fn join_doc_strings(docs: &Vec<String>) -> String {
[INFO] [stderr]    |                           ^^^^^^^^^^^^ help: change this to: `&[String]`
[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/util.rs:39:27
[INFO] [stderr]    |
[INFO] [stderr] 39 | fn get_doc_strings(items: &Vec<MetaNameValue>) -> Option<Vec<String>> {
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^ help: change this to: `&[MetaNameValue]`
[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/util.rs:58:24
[INFO] [stderr]    |
[INFO] [stderr] 58 | fn get_doc_attr(attrs: &Vec<Attribute>) -> Option<Vec<MetaNameValue>> {
[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/util.rs:73:32
[INFO] [stderr]    |
[INFO] [stderr] 73 | pub fn get_graphql_attr(attrs: &Vec<Attribute>) -> Option<Vec<NestedMeta>> {
[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 are using an explicit closure for cloning elements
[INFO] [stderr]   --> src/util.rs:77:29
[INFO] [stderr]    |
[INFO] [stderr] 77 |                 return Some(list.nested.iter().map(|x| x.clone()).collect());
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `list.nested.iter().cloned()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::map_clone)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/util.rs:86:5
[INFO] [stderr]     |
[INFO] [stderr] 86  | /     match item {
[INFO] [stderr] 87  | |         // Attributes in the form of `#[graphql(name = "value")]`.
[INFO] [stderr] 88  | |         &NestedMeta::Meta(Meta::NameValue(ref nameval)) if nameval.ident == name => {
[INFO] [stderr] 89  | |             match &nameval.lit {
[INFO] [stderr] ...   |
[INFO] [stderr] 115 | |         _ => None,
[INFO] [stderr] 116 | |     }
[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] 86  |     match *item {
[INFO] [stderr] 87  |         // Attributes in the form of `#[graphql(name = "value")]`.
[INFO] [stderr] 88  |         NestedMeta::Meta(Meta::NameValue(ref nameval)) if nameval.ident == name => {
[INFO] [stderr] 89  |             match &nameval.lit {
[INFO] [stderr] 90  |                 // We have a string attribute value.
[INFO] [stderr] 91  |                 &Lit::Str(ref strlit) => match validation {
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to both the expression and the patterns
[INFO] [stderr]    --> src/util.rs:89:13
[INFO] [stderr]     |
[INFO] [stderr] 89  | /             match &nameval.lit {
[INFO] [stderr] 90  | |                 // We have a string attribute value.
[INFO] [stderr] 91  | |                 &Lit::Str(ref strlit) => match validation {
[INFO] [stderr] 92  | |                     AttributeValidation::Bare => {
[INFO] [stderr] ...   |
[INFO] [stderr] 100 | |                 _  => None,
[INFO] [stderr] 101 | |             }
[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] 89  |             match nameval.lit {
[INFO] [stderr] 90  |                 // We have a string attribute value.
[INFO] [stderr] 91  |                 Lit::Str(ref strlit) => match validation {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: this creates an owned instance just for comparison
[INFO] [stderr]    --> src/util.rs:104:53
[INFO] [stderr]     |
[INFO] [stderr] 104 |         &NestedMeta::Meta(Meta::Word(ref ident)) if ident.to_string() == name => {
[INFO] [stderr]     |                                                     ^^^^^^^^^^^^^^^^^ help: try: `*ident`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cmp_owned)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_owned
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/derive_input_object.rs:41:17
[INFO] [stderr]    |
[INFO] [stderr] 41 | /                 match item {
[INFO] [stderr] 42 | |                     NestedMeta::Meta(Meta::Word(ref ident)) => {
[INFO] [stderr] 43 | |                         if ident == "_internal" {
[INFO] [stderr] 44 | |                             res.internal = true;
[INFO] [stderr] ...  |
[INFO] [stderr] 48 | |                     _ => {}
[INFO] [stderr] 49 | |                 }
[INFO] [stderr]    | |_________________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 41 |                 if let NestedMeta::Meta(Meta::Word(ref ident)) = item {
[INFO] [stderr] 42 |     if ident == "_internal" {
[INFO] [stderr] 43 |         res.internal = true;
[INFO] [stderr] 44 |         continue;
[INFO] [stderr] 45 |     }
[INFO] [stderr] 46 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/derive_input_object.rs:97:17
[INFO] [stderr]     |
[INFO] [stderr] 97  | /                 match item {
[INFO] [stderr] 98  | |                     NestedMeta::Meta(Meta::Word(ref ident)) => {
[INFO] [stderr] 99  | |                         if ident == "default" {
[INFO] [stderr] 100 | |                             res.default = true;
[INFO] [stderr] ...   |
[INFO] [stderr] 104 | |                     _ => {}
[INFO] [stderr] 105 | |                 }
[INFO] [stderr]     | |_________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 97  |                 if let NestedMeta::Meta(Meta::Word(ref ident)) = item {
[INFO] [stderr] 98  |     if ident == "default" {
[INFO] [stderr] 99  |         res.default = true;
[INFO] [stderr] 100 |         continue;
[INFO] [stderr] 101 |     }
[INFO] [stderr] 102 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]    --> src/derive_input_object.rs:134:27
[INFO] [stderr]     |
[INFO] [stderr] 134 |     let name = attrs.name.unwrap_or(ast.ident.to_string());
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| ast.ident.to_string())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: Err(_) will match all errors, maybe not a good idea
[INFO] [stderr]    --> src/derive_input_object.rs:183:25
[INFO] [stderr]     |
[INFO] [stderr] 183 |                         Err(_) => {
[INFO] [stderr]     |                         ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::match_wild_err_arm)] on by default
[INFO] [stderr]     = note: to remove this warning, match each error separately or use unreachable macro
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_wild_err_arm
[INFO] [stderr] 
[INFO] [stderr] warning: Err(_) will match all errors, maybe not a good idea
[INFO] [stderr]    --> src/derive_input_object.rs:179:29
[INFO] [stderr]     |
[INFO] [stderr] 179 |                             Err(_) => {
[INFO] [stderr]     |                             ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: to remove this warning, match each error separately or use unreachable macro
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_wild_err_arm
[INFO] [stderr] 
[INFO] [stderr] warning: redundant pattern matching, consider using `is_some()`
[INFO] [stderr]   --> src/derive_object.rs:85:24
[INFO] [stderr]    |
[INFO] [stderr] 85 |                   if let Some(_) = keyed_item_value(&item, "skip", AttributeValidation::Bare) {
[INFO] [stderr]    |  _________________-      ^^^^^^^
[INFO] [stderr] 86 | |                     res.skip = true;
[INFO] [stderr] 87 | |                     continue;
[INFO] [stderr] 88 | |                 }
[INFO] [stderr]    | |_________________- help: try this: `if keyed_item_value(&item, "skip", AttributeValidation::Bare).is_some()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_pattern_matching)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]    --> src/derive_object.rs:117:27
[INFO] [stderr]     |
[INFO] [stderr] 117 |     let name = attrs.name.unwrap_or(ast.ident.to_string());
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| ast.ident.to_string())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/util.rs:16:31
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub fn get_doc_comment(attrs: &Vec<Attribute>) -> Option<String> {
[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/util.rs:26:27
[INFO] [stderr]    |
[INFO] [stderr] 26 | fn join_doc_strings(docs: &Vec<String>) -> String {
[INFO] [stderr]    |                           ^^^^^^^^^^^^ help: change this to: `&[String]`
[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/util.rs:39:27
[INFO] [stderr]    |
[INFO] [stderr] 39 | fn get_doc_strings(items: &Vec<MetaNameValue>) -> Option<Vec<String>> {
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^ help: change this to: `&[MetaNameValue]`
[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/util.rs:58:24
[INFO] [stderr]    |
[INFO] [stderr] 58 | fn get_doc_attr(attrs: &Vec<Attribute>) -> Option<Vec<MetaNameValue>> {
[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/util.rs:73:32
[INFO] [stderr]    |
[INFO] [stderr] 73 | pub fn get_graphql_attr(attrs: &Vec<Attribute>) -> Option<Vec<NestedMeta>> {
[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 are using an explicit closure for cloning elements
[INFO] [stderr]   --> src/util.rs:77:29
[INFO] [stderr]    |
[INFO] [stderr] 77 |                 return Some(list.nested.iter().map(|x| x.clone()).collect());
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `list.nested.iter().cloned()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::map_clone)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/util.rs:86:5
[INFO] [stderr]     |
[INFO] [stderr] 86  | /     match item {
[INFO] [stderr] 87  | |         // Attributes in the form of `#[graphql(name = "value")]`.
[INFO] [stderr] 88  | |         &NestedMeta::Meta(Meta::NameValue(ref nameval)) if nameval.ident == name => {
[INFO] [stderr] 89  | |             match &nameval.lit {
[INFO] [stderr] ...   |
[INFO] [stderr] 115 | |         _ => None,
[INFO] [stderr] 116 | |     }
[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] 86  |     match *item {
[INFO] [stderr] 87  |         // Attributes in the form of `#[graphql(name = "value")]`.
[INFO] [stderr] 88  |         NestedMeta::Meta(Meta::NameValue(ref nameval)) if nameval.ident == name => {
[INFO] [stderr] 89  |             match &nameval.lit {
[INFO] [stderr] 90  |                 // We have a string attribute value.
[INFO] [stderr] 91  |                 &Lit::Str(ref strlit) => match validation {
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to both the expression and the patterns
[INFO] [stderr]    --> src/util.rs:89:13
[INFO] [stderr]     |
[INFO] [stderr] 89  | /             match &nameval.lit {
[INFO] [stderr] 90  | |                 // We have a string attribute value.
[INFO] [stderr] 91  | |                 &Lit::Str(ref strlit) => match validation {
[INFO] [stderr] 92  | |                     AttributeValidation::Bare => {
[INFO] [stderr] ...   |
[INFO] [stderr] 100 | |                 _  => None,
[INFO] [stderr] 101 | |             }
[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] 89  |             match nameval.lit {
[INFO] [stderr] 90  |                 // We have a string attribute value.
[INFO] [stderr] 91  |                 Lit::Str(ref strlit) => match validation {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: this creates an owned instance just for comparison
[INFO] [stderr]    --> src/util.rs:104:53
[INFO] [stderr]     |
[INFO] [stderr] 104 |         &NestedMeta::Meta(Meta::Word(ref ident)) if ident.to_string() == name => {
[INFO] [stderr]     |                                                     ^^^^^^^^^^^^^^^^^ help: try: `*ident`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cmp_owned)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_owned
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]    --> src/util.rs:202:24
[INFO] [stderr]     |
[INFO] [stderr] 202 |                 ident: ident("doc").into(),
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^ help: consider removing `.into()`: `ident("doc")`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::identity_conversion)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]    --> src/util.rs:216:28
[INFO] [stderr]     |
[INFO] [stderr] 216 |                     ident: ident("doc").into(),
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^ help: consider removing `.into()`: `ident("doc")`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]    --> src/util.rs:221:28
[INFO] [stderr]     |
[INFO] [stderr] 221 |                     ident: ident("doc").into(),
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^ help: consider removing `.into()`: `ident("doc")`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]    --> src/util.rs:226:28
[INFO] [stderr]     |
[INFO] [stderr] 226 |                     ident: ident("doc").into(),
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^ help: consider removing `.into()`: `ident("doc")`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]    --> src/util.rs:240:24
[INFO] [stderr]     |
[INFO] [stderr] 240 |                 ident: ident("blah").into(),
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into()`: `ident("blah")`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.97s
[INFO] running `"docker" "inspect" "1068a45a34da54a5df92f84a908e01eeb1dbcc3c4a4235230b1415b6ff6410ad"`
[INFO] running `"docker" "rm" "-f" "1068a45a34da54a5df92f84a908e01eeb1dbcc3c4a4235230b1415b6ff6410ad"`
[INFO] [stdout] 1068a45a34da54a5df92f84a908e01eeb1dbcc3c4a4235230b1415b6ff6410ad