Resolve unexpected_cfgs warning #318
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warning: unexpected `cfg` condition name: `doc_cfg`
--> src/lib.rs:64:13
|
64 | #![cfg_attr(doc_cfg, feature(doc_cfg))]
| ^^^^^^^
|
= help: expected names are: `clippy`, `debug_assertions`, `doc`, `docsrs`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, `windows`
= help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
= note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
= note: `#[warn(unexpected_cfgs)]` on by default
warning: unexpected `cfg` condition name: `no_alloc_crate`
--> src/lib.rs:65:43
|
65 | #![cfg_attr(all(not(feature = "std"), not(no_alloc_crate)), no_std)]
| ^^^^^^^^^^^^^^
|
= help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(no_alloc_crate)");` to the top of the `build.rs`
= note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `no_unsafe_op_in_unsafe_fn_lint`
--> src/lib.rs:66:17
|
66 | #![cfg_attr(not(no_unsafe_op_in_unsafe_fn_lint), deny(unsafe_op_in_unsafe_fn))]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(no_unsafe_op_in_unsafe_fn_lint)");` to the top of the `build.rs`
= note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `no_unsafe_op_in_unsafe_fn_lint`
--> src/lib.rs:67:13
|
67 | #![cfg_attr(no_unsafe_op_in_unsafe_fn_lint, allow(unused_unsafe))]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(no_unsafe_op_in_unsafe_fn_lint)");` to the top of the `build.rs`
= note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `no_str_strip_prefix`
--> src/lib.rs:68:13
|
68 | #![cfg_attr(no_str_strip_prefix, allow(unstable_name_collisions))]
| ^^^^^^^^^^^^^^^^^^^
|
= help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(no_str_strip_prefix)");` to the top of the `build.rs`
= note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `no_alloc_crate`
--> src/lib.rs:89:11
|
89 | #[cfg(not(no_alloc_crate))]
| ^^^^^^^^^^^^^^
|
= help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(no_alloc_crate)");` to the top of the `build.rs`
= note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `no_const_vec_new`
--> src/lib.rs:188:12
|
188 | #[cfg_attr(no_const_vec_new, derive(Default))]
| ^^^^^^^^^^^^^^^^
|
= help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(no_const_vec_new)");` to the top of the `build.rs`
= note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `no_non_exhaustive`
--> src/lib.rs:252:16
|
252 | #[cfg_attr(not(no_non_exhaustive), non_exhaustive)]
| ^^^^^^^^^^^^^^^^^
|
= help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(no_non_exhaustive)");` to the top of the `build.rs`
= note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `no_const_vec_new`
--> src/lib.rs:529:11
|
529 | #[cfg(not(no_const_vec_new))]
| ^^^^^^^^^^^^^^^^
|
= help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(no_const_vec_new)");` to the top of the `build.rs`
= note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `no_non_exhaustive`
--> src/lib.rs:263:11
|
263 | #[cfg(no_non_exhaustive)] // rustc <1.40
| ^^^^^^^^^^^^^^^^^
|
= help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(no_non_exhaustive)");` to the top of the `build.rs`
= note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `no_str_strip_prefix`
--> src/backport.rs:1:7
|
1 | #[cfg(no_str_strip_prefix)] // rustc <1.45
| ^^^^^^^^^^^^^^^^^^^
|
= help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(no_str_strip_prefix)");` to the top of the `build.rs`
= note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `no_str_strip_prefix`
--> src/backport.rs:6:7
|
6 | #[cfg(no_str_strip_prefix)]
| ^^^^^^^^^^^^^^^^^^^
|
= help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(no_str_strip_prefix)");` to the top of the `build.rs`
= note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `no_alloc_crate`
--> src/backport.rs:19:7
|
19 | #[cfg(no_alloc_crate)] // rustc <1.36
| ^^^^^^^^^^^^^^
|
= help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(no_alloc_crate)");` to the top of the `build.rs`
= note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `no_non_exhaustive`
--> src/display.rs:59:19
|
59 | #[cfg(no_non_exhaustive)]
| ^^^^^^^^^^^^^^^^^
|
= help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(no_non_exhaustive)");` to the top of the `build.rs`
= note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `doc_cfg`
--> src/error.rs:29:12
|
29 | #[cfg_attr(doc_cfg, doc(cfg(feature = "std")))]
| ^^^^^^^
|
= help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(doc_cfg)");` to the top of the `build.rs`
= note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `no_non_exhaustive`
--> src/eval.rs:39:15
|
39 | #[cfg(no_non_exhaustive)]
| ^^^^^^^^^^^^^^^^^
|
= help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(no_non_exhaustive)");` to the top of the `build.rs`
= note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `no_exhaustive_int_match`
--> src/identifier.rs:166:19
|
166 | #[cfg(no_exhaustive_int_match)] // rustc <1.33
| ^^^^^^^^^^^^^^^^^^^^^^^
|
= help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(no_exhaustive_int_match)");` to the top of the `build.rs`
= note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `no_nonzero_bitscan`
--> src/identifier.rs:327:11
|
327 | #[cfg(no_nonzero_bitscan)]
| ^^^^^^^^^^^^^^^^^^
|
= help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(no_nonzero_bitscan)");` to the top of the `build.rs`
= note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `no_nonzero_bitscan`
--> src/identifier.rs:416:11
|
416 | #[cfg(no_nonzero_bitscan)] // rustc <1.53
| ^^^^^^^^^^^^^^^^^^
|
= help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(no_nonzero_bitscan)");` to the top of the `build.rs`
= note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `no_const_vec_new`
--> src/parse.rs:92:27
|
92 | #[cfg(not(no_const_vec_new))]
| ^^^^^^^^^^^^^^^^
|
= help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(no_const_vec_new)");` to the top of the `build.rs`
= note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `no_const_vec_new`
--> src/parse.rs:94:23
|
94 | #[cfg(no_const_vec_new)] // rustc <1.39
| ^^^^^^^^^^^^^^^^
|
= help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(no_const_vec_new)");` to the top of the `build.rs`
= note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `no_const_vec_new`
--> src/lib.rs:497:15
|
497 | #[cfg(not(no_const_vec_new))] // rustc <1.39
| ^^^^^^^^^^^^^^^^
|
= help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(no_const_vec_new)");` to the top of the `build.rs`
= note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
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Context: https://blog.rust-lang.org/2024/05/06/check-cfg.html