error[E0599]: no method named `new` found for struct `A` in the current scope
  --> $DIR/disambiguate-associated-function-first-arg.rs:5:8
   |
LL | struct A {}
   | -------- method `new` not found for this struct
...
LL |     _a.new(1);
   |        ^^^ this is an associated function, not a method
   |
   = note: found the following associated functions; to be used as methods, functions must have a `self` parameter
note: candidate #1 is defined in the trait `M`
  --> $DIR/disambiguate-associated-function-first-arg.rs:10:5
   |
LL |     fn new(_a: i32);
   |     ^^^^^^^^^^^^^^^^
note: candidate #2 is defined in the trait `N`
  --> $DIR/disambiguate-associated-function-first-arg.rs:17:5
   |
LL |     fn new(_a: Self, _b: i32);
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
note: candidate #3 is defined in the trait `O`
  --> $DIR/disambiguate-associated-function-first-arg.rs:24:5
   |
LL |     fn new(_a: Self, _b: i32);
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
help: disambiguate the associated function for candidate #1
   |
LL |     <A as M>::new(1);
   |     ~~~~~~~~~~~~~~~~
help: disambiguate the associated function for candidate #2
   |
LL |     <A as N>::new(_a, 1);
   |     ~~~~~~~~~~~~~~~~~~~~
help: disambiguate the associated function for candidate #3
   |
LL |     <A as O>::new(_a, 1);
   |     ~~~~~~~~~~~~~~~~~~~~

error[E0034]: multiple applicable items in scope
  --> $DIR/disambiguate-associated-function-first-arg.rs:47:7
   |
LL |     S.f();
   |       ^ multiple `f` found
   |
note: candidate #1 is defined in an impl of the trait `TraitA` for the type `T`
  --> $DIR/disambiguate-associated-function-first-arg.rs:40:5
   |
LL |     fn f(self) {}
   |     ^^^^^^^^^^
note: candidate #2 is defined in an impl of the trait `TraitB` for the type `T`
  --> $DIR/disambiguate-associated-function-first-arg.rs:43:5
   |
LL |     fn f(self) {}
   |     ^^^^^^^^^^
help: disambiguate the method for candidate #1
   |
LL |     TraitA::f(S);
   |     ~~~~~~~~~~~~
help: disambiguate the method for candidate #2
   |
LL |     TraitB::f(S);
   |     ~~~~~~~~~~~~

error: aborting due to 2 previous errors

Some errors have detailed explanations: E0034, E0599.
For more information about an error, try `rustc --explain E0034`.