tests/ui/on-unimplemented/bad-annotation.stderr

   1 error: malformed `rustc_on_unimplemented` attribute input
   2   --> $DIR/bad-annotation.rs:17:1
   3    |
   4 LL | #[rustc_on_unimplemented]
   5    | ^^^^^^^^^^^^^^^^^^^^^^^^^
   6    |
   7 help: the following are the possible correct uses
   8    |
   9 LL | #[rustc_on_unimplemented = "message"]
  10    |
  11 LL | #[rustc_on_unimplemented(/*opt*/ message = "...", /*opt*/ label = "...", /*opt*/ note = "...")]
  12    |
  13
  14 error[E0230]: there is no parameter `C` on trait `BadAnnotation2`
  15   --> $DIR/bad-annotation.rs:22:1
  16    |
  17 LL | #[rustc_on_unimplemented = "Unimplemented trait error on `{Self}` with params `<{A},{B},{C}>`"]
  18    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  19
  20 error[E0231]: only named substitution parameters are allowed
  21   --> $DIR/bad-annotation.rs:27:1
  22    |
  23 LL | #[rustc_on_unimplemented = "Unimplemented trait error on `{Self}` with params `<{A},{B},{}>`"]
  24    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  25
  26 error[E0232]: this attribute must have a valid value
  27   --> $DIR/bad-annotation.rs:32:26
  28    |
  29 LL | #[rustc_on_unimplemented(lorem="")]
  30    |                          ^^^^^^^^ expected value here
  31    |
  32    = note: eg `#[rustc_on_unimplemented(message="foo")]`
  33
  34 error[E0232]: this attribute must have a valid value
  35   --> $DIR/bad-annotation.rs:36:26
  36    |
  37 LL | #[rustc_on_unimplemented(lorem(ipsum(dolor)))]
  38    |                          ^^^^^^^^^^^^^^^^^^^ expected value here
  39    |
  40    = note: eg `#[rustc_on_unimplemented(message="foo")]`
  41
  42 error[E0232]: this attribute must have a valid value
  43   --> $DIR/bad-annotation.rs:40:39
  44    |
  45 LL | #[rustc_on_unimplemented(message="x", message="y")]
  46    |                                       ^^^^^^^^^^^ expected value here
  47    |
  48    = note: eg `#[rustc_on_unimplemented(message="foo")]`
  49
  50 error[E0232]: this attribute must have a valid value
  51   --> $DIR/bad-annotation.rs:44:39
  52    |
  53 LL | #[rustc_on_unimplemented(message="x", on(desugared, message="y"))]
  54    |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^ expected value here
  55    |
  56    = note: eg `#[rustc_on_unimplemented(message="foo")]`
  57
  58 error[E0232]: empty `on`-clause in `#[rustc_on_unimplemented]`
  59   --> $DIR/bad-annotation.rs:48:26
  60    |
  61 LL | #[rustc_on_unimplemented(on(), message="y")]
  62    |                          ^^^^ empty on-clause here
  63
  64 error[E0232]: this attribute must have a valid value
  65   --> $DIR/bad-annotation.rs:52:26
  66    |
  67 LL | #[rustc_on_unimplemented(on="x", message="y")]
  68    |                          ^^^^^^ expected value here
  69    |
  70    = note: eg `#[rustc_on_unimplemented(message="foo")]`
  71
  72 error[E0232]: this attribute must have a valid value
  73   --> $DIR/bad-annotation.rs:59:40
  74    |
  75 LL | #[rustc_on_unimplemented(on(desugared, on(desugared, message="x")), message="y")]
  76    |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^ expected value here
  77    |
  78    = note: eg `#[rustc_on_unimplemented(message="foo")]`
  79
  80 error: aborting due to 10 previous errors
  81
  82 Some errors have detailed explanations: E0230, E0231, E0232.
  83 For more information about an error, try `rustc --explain E0230`.