error[E0599]: no method named `homura` found for type `{integer}` in the current scope
  --> $DIR/issue-29181.rs:6:7
   |
LL |     0.homura();
   |       ^^^^^^ method not found in `{integer}`

error[E0689]: can't call method `exp` on ambiguous numeric type `{float}`
  --> $DIR/issue-29181.rs:8:30
   |
LL |     let _ = |x: f64| x * 2.0.exp();
   |                              ^^^
   |
help: you must specify a concrete type for this numeric value, like `f32`
   |
LL |     let _ = |x: f64| x * 2.0_f32.exp();
   |                          ~~~~~~~

error: aborting due to 2 previous errors

Some errors have detailed explanations: E0599, E0689.
For more information about an error, try `rustc --explain E0599`.