src/test/ui/proc-macro/proc-macro-attributes.stderr

   1 error: cannot find attribute `C` in this scope
   2   --> $DIR/proc-macro-attributes.rs:9:3
   3    |
   4 LL | #[C]
   5    |   ^ help: a derive helper attribute with a similar name exists: `B`
   6
   7 error[E0659]: `B` is ambiguous (derive helper attribute vs any other name)
   8   --> $DIR/proc-macro-attributes.rs:6:3
   9    |
  10 LL | #[B]
  11    |   ^ ambiguous name
  12    |
  13 note: `B` could refer to the derive helper attribute defined here
  14   --> $DIR/proc-macro-attributes.rs:19:10
  15    |
  16 LL | #[derive(B)]
  17    |          ^
  18 note: `B` could also refer to the derive macro imported here
  19   --> $DIR/proc-macro-attributes.rs:3:1
  20    |
  21 LL | #[macro_use]
  22    | ^^^^^^^^^^^^
  23
  24 error[E0659]: `B` is ambiguous (derive helper attribute vs any other name)
  25   --> $DIR/proc-macro-attributes.rs:10:3
  26    |
  27 LL | #[B(D)]
  28    |   ^ ambiguous name
  29    |
  30 note: `B` could refer to the derive helper attribute defined here
  31   --> $DIR/proc-macro-attributes.rs:19:10
  32    |
  33 LL | #[derive(B)]
  34    |          ^
  35 note: `B` could also refer to the derive macro imported here
  36   --> $DIR/proc-macro-attributes.rs:3:1
  37    |
  38 LL | #[macro_use]
  39    | ^^^^^^^^^^^^
  40
  41 error[E0659]: `B` is ambiguous (derive helper attribute vs any other name)
  42   --> $DIR/proc-macro-attributes.rs:13:3
  43    |
  44 LL | #[B(E = "foo")]
  45    |   ^ ambiguous name
  46    |
  47 note: `B` could refer to the derive helper attribute defined here
  48   --> $DIR/proc-macro-attributes.rs:19:10
  49    |
  50 LL | #[derive(B)]
  51    |          ^
  52 note: `B` could also refer to the derive macro imported here
  53   --> $DIR/proc-macro-attributes.rs:3:1
  54    |
  55 LL | #[macro_use]
  56    | ^^^^^^^^^^^^
  57
  58 error[E0659]: `B` is ambiguous (derive helper attribute vs any other name)
  59   --> $DIR/proc-macro-attributes.rs:16:3
  60    |
  61 LL | #[B(arbitrary tokens)]
  62    |   ^ ambiguous name
  63    |
  64 note: `B` could refer to the derive helper attribute defined here
  65   --> $DIR/proc-macro-attributes.rs:19:10
  66    |
  67 LL | #[derive(B)]
  68    |          ^
  69 note: `B` could also refer to the derive macro imported here
  70   --> $DIR/proc-macro-attributes.rs:3:1
  71    |
  72 LL | #[macro_use]
  73    | ^^^^^^^^^^^^
  74
  75 warning: derive helper attribute is used before it is introduced
  76   --> $DIR/proc-macro-attributes.rs:6:3
  77    |
  78 LL | #[B]
  79    |   ^
  80 ...
  81 LL | #[derive(B)]
  82    |          - the attribute is introduced here
  83    |
  84    = note: `#[warn(legacy_derive_helpers)]` on by default
  85    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
  86    = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
  87
  88 warning: derive helper attribute is used before it is introduced
  89   --> $DIR/proc-macro-attributes.rs:10:3
  90    |
  91 LL | #[B(D)]
  92    |   ^
  93 ...
  94 LL | #[derive(B)]
  95    |          - the attribute is introduced here
  96    |
  97    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
  98    = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
  99
 100 warning: derive helper attribute is used before it is introduced
 101   --> $DIR/proc-macro-attributes.rs:13:3
 102    |
 103 LL | #[B(E = "foo")]
 104    |   ^
 105 ...
 106 LL | #[derive(B)]
 107    |          - the attribute is introduced here
 108    |
 109    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
 110    = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
 111
 112 warning: derive helper attribute is used before it is introduced
 113   --> $DIR/proc-macro-attributes.rs:16:3
 114    |
 115 LL | #[B(arbitrary tokens)]
 116    |   ^
 117 ...
 118 LL | #[derive(B)]
 119    |          - the attribute is introduced here
 120    |
 121    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
 122    = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
 123
 124 error: aborting due to 5 previous errors; 4 warnings emitted
 125
 126 For more information about this error, try `rustc --explain E0659`.