tests/ui/conditional-compilation/cfg-attr-parse.stderr

error[E0539]: malformed `cfg_attr` attribute input
  --> $DIR/cfg-attr-parse.rs:4:1
   |
LL | #[cfg_attr()]
   | ^^^^^^^^^^--^
   | |         |
   | |         expected at least 1 argument here
   | help: must be of the form: `#[cfg_attr(predicate, attr1, attr2, ...)]`
   |
   = note: for more information, visit <https://doc.rust-lang.org/reference/conditional-compilation.html#the-cfg_attr-attribute>

error: expected `,`, found end of `cfg_attr` input
  --> $DIR/cfg-attr-parse.rs:8:16
   |
LL | #[cfg_attr(true)]
   | ---------------^-
   | |              |
   | |              expected `,`
   | help: must be of the form: `#[cfg_attr(predicate, attr1, attr2, ...)]`
   |
   = note: for more information, visit <https://doc.rust-lang.org/reference/conditional-compilation.html#the-cfg_attr-attribute>

error: expected identifier, found `,`
  --> $DIR/cfg-attr-parse.rs:17:17
   |
LL | #[cfg_attr(true,,)]
   | ----------------^--
   | |               |
   | |               expected identifier
   | help: must be of the form: `#[cfg_attr(predicate, attr1, attr2, ...)]`
   |
   = note: for more information, visit <https://doc.rust-lang.org/reference/conditional-compilation.html#the-cfg_attr-attribute>

error: expected identifier, found `,`
  --> $DIR/cfg-attr-parse.rs:29:27
   |
LL | #[cfg_attr(true, must_use,,)]
   | --------------------------^--
   | |                         |
   | |                         expected identifier
   | help: must be of the form: `#[cfg_attr(predicate, attr1, attr2, ...)]`
   |
   = note: for more information, visit <https://doc.rust-lang.org/reference/conditional-compilation.html#the-cfg_attr-attribute>

error: expected identifier, found `,`
  --> $DIR/cfg-attr-parse.rs:41:39
   |
LL | #[cfg_attr(true, must_use, deprecated,,)]
   | --------------------------------------^--
   | |                                     |
   | |                                     expected identifier
   | help: must be of the form: `#[cfg_attr(predicate, attr1, attr2, ...)]`
   |
   = note: for more information, visit <https://doc.rust-lang.org/reference/conditional-compilation.html#the-cfg_attr-attribute>

error: wrong `cfg_attr` delimiters
  --> $DIR/cfg-attr-parse.rs:45:11
   |
LL | #[cfg_attr[true,,]]
   |           ^^^^^^^^
   |
help: the delimiters should be `(` and `)`
   |
LL - #[cfg_attr[true,,]]
LL + #[cfg_attr(true,,)]
   |

error: expected identifier, found `,`
  --> $DIR/cfg-attr-parse.rs:45:17
   |
LL | #[cfg_attr[true,,]]
   | ----------------^--
   | |               |
   | |               expected identifier
   | help: must be of the form: `#[cfg_attr(predicate, attr1, attr2, ...)]`
   |
   = note: for more information, visit <https://doc.rust-lang.org/reference/conditional-compilation.html#the-cfg_attr-attribute>

error: wrong `cfg_attr` delimiters
  --> $DIR/cfg-attr-parse.rs:51:11
   |
LL | #[cfg_attr{true,,}]
   |           ^^^^^^^^
   |
help: the delimiters should be `(` and `)`
   |
LL - #[cfg_attr{true,,}]
LL + #[cfg_attr(true,,)]
   |

error: expected identifier, found `,`
  --> $DIR/cfg-attr-parse.rs:51:17
   |
LL | #[cfg_attr{true,,}]
   | ----------------^--
   | |               |
   | |               expected identifier
   | help: must be of the form: `#[cfg_attr(predicate, attr1, attr2, ...)]`
   |
   = note: for more information, visit <https://doc.rust-lang.org/reference/conditional-compilation.html#the-cfg_attr-attribute>

warning: `#[cfg_attr]` does not expand to any attributes
  --> $DIR/cfg-attr-parse.rs:12:1
   |
LL | #[cfg_attr(true,)]
   | ^^^^^^^^^^^^^^^^^^
   |
   = note: requested on the command line with `-W unused-attributes`

error: aborting due to 9 previous errors; 1 warning emitted

For more information about this error, try `rustc --explain E0539`.