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

   1 error: malformed `proc_macro_derive` attribute input
   2   --> $DIR/attribute.rs:9:1
   3    |
   4 LL | #[proc_macro_derive]
   5    | ^^^^^^^^^^^^^^^^^^^^ help: must be of the form: `#[proc_macro_derive(TraitName, /*opt*/ attributes(name1, name2, ...))]`
   6
   7 error: malformed `proc_macro_derive` attribute input
   8   --> $DIR/attribute.rs:12:1
   9    |
  10 LL | #[proc_macro_derive = ""]
  11    | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: must be of the form: `#[proc_macro_derive(TraitName, /*opt*/ attributes(name1, name2, ...))]`
  12
  13 error: attribute must have either one or two arguments
  14   --> $DIR/attribute.rs:15:1
  15    |
  16 LL | #[proc_macro_derive(d3, a, b)]
  17    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  18
  19 error: attribute must have either one or two arguments
  20   --> $DIR/attribute.rs:19:1
  21    |
  22 LL | #[proc_macro_derive(d4, attributes(a), b)]
  23    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  24
  25 error: not a meta item
  26   --> $DIR/attribute.rs:23:21
  27    |
  28 LL | #[proc_macro_derive("a")]
  29    |                     ^^^
  30
  31 error: must only be one word
  32   --> $DIR/attribute.rs:27:21
  33    |
  34 LL | #[proc_macro_derive(d6 = "")]
  35    |                     ^^^^^^^
  36
  37 error: must only be one word
  38   --> $DIR/attribute.rs:31:21
  39    |
  40 LL | #[proc_macro_derive(m::d7)]
  41    |                     ^^^^^
  42
  43 error: must only be one word
  44   --> $DIR/attribute.rs:35:21
  45    |
  46 LL | #[proc_macro_derive(d8(a))]
  47    |                     ^^^^^
  48
  49 error: `self` cannot be a name of derive macro
  50   --> $DIR/attribute.rs:39:21
  51    |
  52 LL | #[proc_macro_derive(self)]
  53    |                     ^^^^
  54
  55 error: second argument must be `attributes`
  56   --> $DIR/attribute.rs:46:26
  57    |
  58 LL | #[proc_macro_derive(d11, a)]
  59    |                          ^
  60
  61 error: attribute must be of form: `attributes(foo, bar)`
  62   --> $DIR/attribute.rs:46:26
  63    |
  64 LL | #[proc_macro_derive(d11, a)]
  65    |                          ^
  66
  67 error: attribute must be of form: `attributes(foo, bar)`
  68   --> $DIR/attribute.rs:51:26
  69    |
  70 LL | #[proc_macro_derive(d12, attributes)]
  71    |                          ^^^^^^^^^^
  72
  73 error: not a meta item
  74   --> $DIR/attribute.rs:55:37
  75    |
  76 LL | #[proc_macro_derive(d13, attributes("a"))]
  77    |                                     ^^^
  78
  79 error: must only be one word
  80   --> $DIR/attribute.rs:59:37
  81    |
  82 LL | #[proc_macro_derive(d14, attributes(a = ""))]
  83    |                                     ^^^^^^
  84
  85 error: must only be one word
  86   --> $DIR/attribute.rs:63:37
  87    |
  88 LL | #[proc_macro_derive(d15, attributes(m::a))]
  89    |                                     ^^^^
  90
  91 error: must only be one word
  92   --> $DIR/attribute.rs:67:37
  93    |
  94 LL | #[proc_macro_derive(d16, attributes(a(b)))]
  95    |                                     ^^^^
  96
  97 error: `self` cannot be a name of derive helper attribute
  98   --> $DIR/attribute.rs:71:37
  99    |
 100 LL | #[proc_macro_derive(d17, attributes(self))]
 101    |                                     ^^^^
 102
 103 error: aborting due to 17 previous errors
 104