error[E0277]: the trait bound `&str: anyhow::__private::not::Bool` is not satisfied
  --> tests/ui/ensure-nonbool.rs:25:13
   |
25 |     ensure!("...");
   |     --------^^^^^-
   |     |       |
   |     |       the trait `anyhow::__private::not::Bool` is not implemented for `&str`
   |     required by a bound introduced by this call
   |
help: the following other types implement trait `anyhow::__private::not::Bool`
  --> src/lib.rs
   |
   |         impl Bool for bool {
   |         ^^^^^^^^^^^^^^^^^^ `bool`
...
   |         impl Bool for &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 `&mut bool: anyhow::__private::not::Bool` is not satisfied
  --> tests/ui/ensure-nonbool.rs:29:31
   |
29 |         Bool(cond) => ensure!(cond),
   |                       --------^^^^-
   |                       |       |
   |                       |       the trait `anyhow::__private::not::Bool` is not implemented for `&mut bool`
   |                       required by a bound introduced by this call
   |
   = note: `anyhow::__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`
help: consider dereferencing here
   |
29 |         Bool(cond) => ensure!(*cond),
   |                               +

error[E0277]: the trait bound `DerefBool: anyhow::__private::not::Bool` is not satisfied
  --> tests/ui/ensure-nonbool.rs:33:13
   |
33 |     ensure!(db);
   |     --------^^-
   |     |       |
   |     |       unsatisfied trait bound
   |     required by a bound introduced by this call
   |
help: the trait `anyhow::__private::not::Bool` is not implemented for `DerefBool`
  --> tests/ui/ensure-nonbool.rs:6:1
   |
 6 | struct DerefBool(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`
help: consider dereferencing here
   |
33 |     ensure!(*db);
   |             +

error[E0277]: the trait bound `&DerefBool: anyhow::__private::not::Bool` is not satisfied
  --> tests/ui/ensure-nonbool.rs:34:13
   |
34 |     ensure!(&db);
   |     --------^^^-
   |     |       |
   |     |       the trait `anyhow::__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 `not`
help: consider dereferencing here
   |
34 |     ensure!(&*db);
   |              +

error[E0277]: the trait bound `NotBool: anyhow::__private::not::Bool` is not satisfied
  --> tests/ui/ensure-nonbool.rs:37:13
   |
37 |     ensure!(nb);
   |     --------^^-
   |     |       |
   |     |       unsatisfied trait bound
   |     required by a bound introduced by this call
   |
help: the trait `anyhow::__private::not::Bool` is not implemented for `NotBool`
  --> tests/ui/ensure-nonbool.rs:8:1
   |
 8 | struct NotBool(bool);
   | ^^^^^^^^^^^^^^
help: the following other types implement trait `anyhow::__private::not::Bool`
  --> src/lib.rs
   |
   |         impl Bool for bool {
   |         ^^^^^^^^^^^^^^^^^^ `bool`
...
   |         impl Bool for &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`