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error[E0277]: Foo
  --> $DIR/multiple_notes.rs:13:15
   |
LL |     takes_foo(());
   |     --------- ^^ Bar
   |     |
   |     required by a bound introduced by this call
   |
   = help: the trait `Foo` is not implemented for `()`
   = note: Baz
   = note: Boom
help: this trait has no implementations, consider adding one
  --> $DIR/multiple_notes.rs:3:1
   |
LL | trait Foo {}
   | ^^^^^^^^^
note: required by a bound in `takes_foo`
  --> $DIR/multiple_notes.rs:9:22
   |
LL | fn takes_foo(_: impl Foo) {}
   |                      ^^^ required by this bound in `takes_foo`

error[E0277]: Bar
  --> $DIR/multiple_notes.rs:15:15
   |
LL |     takes_bar(());
   |     --------- ^^ Foo
   |     |
   |     required by a bound introduced by this call
   |
   = help: the trait `Bar` is not implemented for `()`
   = note: Baz
   = note: Baz2
help: this trait has no implementations, consider adding one
  --> $DIR/multiple_notes.rs:7:1
   |
LL | trait Bar {}
   | ^^^^^^^^^
note: required by a bound in `takes_bar`
  --> $DIR/multiple_notes.rs:10:22
   |
LL | fn takes_bar(_: impl Bar) {}
   |                      ^^^ required by this bound in `takes_bar`

error: aborting due to 2 previous errors

For more information about this error, try `rustc --explain E0277`.