This adds too much decompression overhead per invocation.
It could work if the subprocess were reused across multiple macro
expansions (https://github.com/serde-rs/serde/pull/2523).
warning: matching over `()` is more explicit
--> serde_derive/src/internals/attr.rs:710:33
|
710 | (Some((untagged_tokens, _)), Some((tag_tokens, _)), None) => {
| ^ help: use `()` instead of `_`: `()`
|
= help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ignored_unit_patterns
= note: `-W clippy::ignored-unit-patterns` implied by `-W clippy::pedantic`
warning: matching over `()` is more explicit
--> serde_derive/src/internals/attr.rs:721:33
|
721 | (Some((untagged_tokens, _)), None, Some((content_tokens, _))) => {
| ^ help: use `()` instead of `_`: `()`
|
= help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ignored_unit_patterns
warning: matching over `()` is more explicit
--> serde_derive/src/internals/attr.rs:728:33
|
728 | (Some((untagged_tokens, _)), Some((tag_tokens, _)), Some((content_tokens, _))) => {
| ^ help: use `()` instead of `_`: `()`
|
= help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ignored_unit_patterns
warning: matching over `()` is more explicit
--> serde_derive/src/internals/attr.rs:750:44
|
750 | (_, Some((field_identifier_tokens, _)), Some((variant_identifier_tokens, _))) => {
| ^ help: use `()` instead of `_`: `()`
|
= help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ignored_unit_patterns
warning: matching over `()` is more explicit
--> serde_derive/src/internals/attr.rs:750:82
|
750 | (_, Some((field_identifier_tokens, _)), Some((variant_identifier_tokens, _))) => {
| ^ help: use `()` instead of `_`: `()`
|
= help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ignored_unit_patterns
error: the feature `lang_items` is internal to the compiler or standard library
--> src/main.rs:1:12
|
1 | #![feature(lang_items, start)]
| ^^^^^^^^^^
|
= note: using it is strongly discouraged
= note: `#[deny(internal_features)]` on by default
