[INFO] crate serde_codegen_internals 0.14.2 is already in cache
[INFO] extracting crate serde_codegen_internals 0.14.2 into work/ex/clippy-test-run/sources/stable/reg/serde_codegen_internals/0.14.2
[INFO] extracting crate serde_codegen_internals 0.14.2 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/serde_codegen_internals/0.14.2
[INFO] validating manifest of serde_codegen_internals-0.14.2 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 serde_codegen_internals-0.14.2 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 serde_codegen_internals-0.14.2
[INFO] finished frobbing serde_codegen_internals-0.14.2
[INFO] frobbed toml for serde_codegen_internals-0.14.2 written to work/ex/clippy-test-run/sources/stable/reg/serde_codegen_internals/0.14.2/Cargo.toml
[INFO] started frobbing serde_codegen_internals-0.14.2
[INFO] finished frobbing serde_codegen_internals-0.14.2
[INFO] frobbed toml for serde_codegen_internals-0.14.2 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/serde_codegen_internals/0.14.2/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 serde_codegen_internals-0.14.2 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-0/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/serde_codegen_internals/0.14.2:/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] 0a6a607e4b6318be3f3149f35b5063ce972721f4d2c46e38dae7cee6b54762a5
[INFO] running `"docker" "start" "-a" "0a6a607e4b6318be3f3149f35b5063ce972721f4d2c46e38dae7cee6b54762a5"`
[INFO] [stderr]     Checking syn v0.11.11
[INFO] [stderr]     Checking serde_codegen_internals v0.14.2 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/ast.rs:67:13
[INFO] [stderr]    |
[INFO] [stderr] 67 |             attrs: attrs,
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: replace it with: `attrs`
[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/ast.rs:68:13
[INFO] [stderr]    |
[INFO] [stderr] 68 |             body: body,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `body`
[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/ast.rs:93:17
[INFO] [stderr]    |
[INFO] [stderr] 93 |                 style: style,
[INFO] [stderr]    |                 ^^^^^^^^^^^^ help: replace it with: `style`
[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/ast.rs:94:17
[INFO] [stderr]    |
[INFO] [stderr] 94 |                 fields: fields,
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^ help: replace it with: `fields`
[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/attr.rs:26:13
[INFO] [stderr]    |
[INFO] [stderr] 26 |             cx: cx,
[INFO] [stderr]    |             ^^^^^^ help: replace it with: `cx`
[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/attr.rs:27:13
[INFO] [stderr]    |
[INFO] [stderr] 27 |             name: name,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `name`
[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/attr.rs:323:37
[INFO] [stderr]     |
[INFO] [stderr] 323 |                 EnumTag::Internal { tag: tag }
[INFO] [stderr]     |                                     ^^^^^^^^ help: replace it with: `tag`
[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/attr.rs:339:21
[INFO] [stderr]     |
[INFO] [stderr] 339 |                     tag: tag,
[INFO] [stderr]     |                     ^^^^^^^^ help: replace it with: `tag`
[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/attr.rs:340:21
[INFO] [stderr]     |
[INFO] [stderr] 340 |                     content: content,
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^ help: replace it with: `content`
[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/attr.rs:359:13
[INFO] [stderr]     |
[INFO] [stderr] 359 |             tag: tag,
[INFO] [stderr]     |             ^^^^^^^^ help: replace it with: `tag`
[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/attr.rs:483:13
[INFO] [stderr]     |
[INFO] [stderr] 483 |             ser_renamed: ser_renamed,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `ser_renamed`
[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/attr.rs:484:13
[INFO] [stderr]     |
[INFO] [stderr] 484 |             de_renamed: de_renamed,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `de_renamed`
[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/attr.rs:680:13
[INFO] [stderr]     |
[INFO] [stderr] 680 |             ser_renamed: ser_renamed,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `ser_renamed`
[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/attr.rs:681:13
[INFO] [stderr]     |
[INFO] [stderr] 681 |             de_renamed: de_renamed,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `de_renamed`
[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/ast.rs:67:13
[INFO] [stderr]    |
[INFO] [stderr] 67 |             attrs: attrs,
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: replace it with: `attrs`
[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/ast.rs:68:13
[INFO] [stderr]    |
[INFO] [stderr] 68 |             body: body,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `body`
[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/ast.rs:93:17
[INFO] [stderr]    |
[INFO] [stderr] 93 |                 style: style,
[INFO] [stderr]    |                 ^^^^^^^^^^^^ help: replace it with: `style`
[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/ast.rs:94:17
[INFO] [stderr]    |
[INFO] [stderr] 94 |                 fields: fields,
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^ help: replace it with: `fields`
[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/attr.rs:26:13
[INFO] [stderr]    |
[INFO] [stderr] 26 |             cx: cx,
[INFO] [stderr]    |             ^^^^^^ help: replace it with: `cx`
[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/attr.rs:27:13
[INFO] [stderr]    |
[INFO] [stderr] 27 |             name: name,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `name`
[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/attr.rs:323:37
[INFO] [stderr]     |
[INFO] [stderr] 323 |                 EnumTag::Internal { tag: tag }
[INFO] [stderr]     |                                     ^^^^^^^^ help: replace it with: `tag`
[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/attr.rs:339:21
[INFO] [stderr]     |
[INFO] [stderr] 339 |                     tag: tag,
[INFO] [stderr]     |                     ^^^^^^^^ help: replace it with: `tag`
[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/attr.rs:340:21
[INFO] [stderr]     |
[INFO] [stderr] 340 |                     content: content,
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^ help: replace it with: `content`
[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/attr.rs:359:13
[INFO] [stderr]     |
[INFO] [stderr] 359 |             tag: tag,
[INFO] [stderr]     |             ^^^^^^^^ help: replace it with: `tag`
[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/attr.rs:483:13
[INFO] [stderr]     |
[INFO] [stderr] 483 |             ser_renamed: ser_renamed,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `ser_renamed`
[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/attr.rs:484:13
[INFO] [stderr]     |
[INFO] [stderr] 484 |             de_renamed: de_renamed,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `de_renamed`
[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/attr.rs:680:13
[INFO] [stderr]     |
[INFO] [stderr] 680 |             ser_renamed: ser_renamed,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `ser_renamed`
[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/attr.rs:681:13
[INFO] [stderr]     |
[INFO] [stderr] 681 |             de_renamed: de_renamed,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `de_renamed`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
[INFO] [stderr]  --> src/case.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::ascii::AsciiExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ascii::AsciiExt`
[INFO] [stderr]  --> src/case.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::ascii::AsciiExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
[INFO] [stderr]   --> src/ast.rs:51:21
[INFO] [stderr]    |
[INFO] [stderr] 51 |                 for ref mut variant in variants {
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^    -------- help: try: `let variant = &mut variants;`
[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/ast.rs:53:25
[INFO] [stderr]    |
[INFO] [stderr] 53 |                     for ref mut field in &mut variant.fields {
[INFO] [stderr]    |                         ^^^^^^^^^^^^^    ------------------- help: try: `let field = &mut &mut variant.fields;`
[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: the function has a cyclomatic complexity of 37
[INFO] [stderr]    --> src/attr.rs:139:5
[INFO] [stderr]     |
[INFO] [stderr] 139 | /     pub fn from_ast(cx: &Ctxt, item: &syn::MacroInput) -> Self {
[INFO] [stderr] 140 | |         let mut ser_name = Attr::none(cx, "rename");
[INFO] [stderr] 141 | |         let mut de_name = Attr::none(cx, "rename");
[INFO] [stderr] 142 | |         let mut deny_unknown_fields = BoolAttr::none(cx, "deny_unknown_fields");
[INFO] [stderr] ...   |
[INFO] [stderr] 362 | |         }
[INFO] [stderr] 363 | |     }
[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: methods called `from_*` usually take no self; consider choosing a less ambiguous name
[INFO] [stderr]    --> src/attr.rs:393:22
[INFO] [stderr]     |
[INFO] [stderr] 393 |     pub fn from_type(&self) -> Option<&syn::Ty> {
[INFO] [stderr]     |                      ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::wrong_self_convention)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#wrong_self_convention
[INFO] [stderr] 
[INFO] [stderr] warning: methods called `into_*` usually take self by value; consider choosing a less ambiguous name
[INFO] [stderr]    --> src/attr.rs:397:22
[INFO] [stderr]     |
[INFO] [stderr] 397 |     pub fn into_type(&self) -> Option<&syn::Ty> {
[INFO] [stderr]     |                      ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#wrong_self_convention
[INFO] [stderr] 
[INFO] [stderr] warning: the function has a cyclomatic complexity of 26
[INFO] [stderr]    --> src/attr.rs:546:5
[INFO] [stderr]     |
[INFO] [stderr] 546 | /     pub fn from_ast(cx: &Ctxt, index: usize, field: &syn::Field) -> Self {
[INFO] [stderr] 547 | |         let mut ser_name = Attr::none(cx, "rename");
[INFO] [stderr] 548 | |         let mut de_name = Attr::none(cx, "rename");
[INFO] [stderr] 549 | |         let mut skip_serializing = BoolAttr::none(cx, "skip_serializing");
[INFO] [stderr] ...   |
[INFO] [stderr] 690 | |         }
[INFO] [stderr] 691 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[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: called `cloned().collect()` on a slice to create a `Vec`. Calling `to_vec()` is both faster and more readable
[INFO] [stderr]    --> src/attr.rs:789:62
[INFO] [stderr]     |
[INFO] [stderr] 789 |         List(ref name, ref items) if name == "serde" => Some(items.iter().cloned().collect()),
[INFO] [stderr]     |                                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::iter_cloned_collect)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#iter_cloned_collect
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
[INFO] [stderr]  --> src/case.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::ascii::AsciiExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ascii::AsciiExt`
[INFO] [stderr]  --> src/case.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::ascii::AsciiExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
[INFO] [stderr]   --> src/ast.rs:51:21
[INFO] [stderr]    |
[INFO] [stderr] 51 |                 for ref mut variant in variants {
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^    -------- help: try: `let variant = &mut variants;`
[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/ast.rs:53:25
[INFO] [stderr]    |
[INFO] [stderr] 53 |                     for ref mut field in &mut variant.fields {
[INFO] [stderr]    |                         ^^^^^^^^^^^^^    ------------------- help: try: `let field = &mut &mut variant.fields;`
[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: the function has a cyclomatic complexity of 37
[INFO] [stderr]    --> src/attr.rs:139:5
[INFO] [stderr]     |
[INFO] [stderr] 139 | /     pub fn from_ast(cx: &Ctxt, item: &syn::MacroInput) -> Self {
[INFO] [stderr] 140 | |         let mut ser_name = Attr::none(cx, "rename");
[INFO] [stderr] 141 | |         let mut de_name = Attr::none(cx, "rename");
[INFO] [stderr] 142 | |         let mut deny_unknown_fields = BoolAttr::none(cx, "deny_unknown_fields");
[INFO] [stderr] ...   |
[INFO] [stderr] 362 | |         }
[INFO] [stderr] 363 | |     }
[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: methods called `from_*` usually take no self; consider choosing a less ambiguous name
[INFO] [stderr]    --> src/attr.rs:393:22
[INFO] [stderr]     |
[INFO] [stderr] 393 |     pub fn from_type(&self) -> Option<&syn::Ty> {
[INFO] [stderr]     |                      ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::wrong_self_convention)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#wrong_self_convention
[INFO] [stderr] 
[INFO] [stderr] warning: methods called `into_*` usually take self by value; consider choosing a less ambiguous name
[INFO] [stderr]    --> src/attr.rs:397:22
[INFO] [stderr]     |
[INFO] [stderr] 397 |     pub fn into_type(&self) -> Option<&syn::Ty> {
[INFO] [stderr]     |                      ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#wrong_self_convention
[INFO] [stderr] 
[INFO] [stderr] warning: the function has a cyclomatic complexity of 26
[INFO] [stderr]    --> src/attr.rs:546:5
[INFO] [stderr]     |
[INFO] [stderr] 546 | /     pub fn from_ast(cx: &Ctxt, index: usize, field: &syn::Field) -> Self {
[INFO] [stderr] 547 | |         let mut ser_name = Attr::none(cx, "rename");
[INFO] [stderr] 548 | |         let mut de_name = Attr::none(cx, "rename");
[INFO] [stderr] 549 | |         let mut skip_serializing = BoolAttr::none(cx, "skip_serializing");
[INFO] [stderr] ...   |
[INFO] [stderr] 690 | |         }
[INFO] [stderr] 691 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[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: called `cloned().collect()` on a slice to create a `Vec`. Calling `to_vec()` is both faster and more readable
[INFO] [stderr]    --> src/attr.rs:789:62
[INFO] [stderr]     |
[INFO] [stderr] 789 |         List(ref name, ref items) if name == "serde" => Some(items.iter().cloned().collect()),
[INFO] [stderr]     |                                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::iter_cloned_collect)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#iter_cloned_collect
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.49s
[INFO] running `"docker" "inspect" "0a6a607e4b6318be3f3149f35b5063ce972721f4d2c46e38dae7cee6b54762a5"`
[INFO] running `"docker" "rm" "-f" "0a6a607e4b6318be3f3149f35b5063ce972721f4d2c46e38dae7cee6b54762a5"`
[INFO] [stdout] 0a6a607e4b6318be3f3149f35b5063ce972721f4d2c46e38dae7cee6b54762a5