error: this `impl` can be derived
  --> $DIR/derivable_impls.rs:18:1
   |
LL | / impl std::default::Default for FooDefault<'_> {
LL | |     fn default() -> Self {
LL | |         Self {
LL | |             a: false,
...  |
LL | |     }
LL | | }
   | |_^
   |
   = note: `-D clippy::derivable-impls` implied by `-D warnings`
   = help: try annotating `FooDefault` with `#[derive(Default)]`

error: this `impl` can be derived
  --> $DIR/derivable_impls.rs:39:1
   |
LL | / impl std::default::Default for TupleDefault {
LL | |     fn default() -> Self {
LL | |         Self(false, 0, 0u64)
LL | |     }
LL | | }
   | |_^
   |
   = help: try annotating `TupleDefault` with `#[derive(Default)]`

error: this `impl` can be derived
  --> $DIR/derivable_impls.rs:91:1
   |
LL | / impl Default for StrDefault<'_> {
LL | |     fn default() -> Self {
LL | |         Self("")
LL | |     }
LL | | }
   | |_^
   |
   = help: try annotating `StrDefault` with `#[derive(Default)]`

error: this `impl` can be derived
  --> $DIR/derivable_impls.rs:117:1
   |
LL | / impl Default for Y {
LL | |     fn default() -> Self {
LL | |         Self(mac!())
LL | |     }
LL | | }
   | |_^
   |
   = help: try annotating `Y` with `#[derive(Default)]`

error: this `impl` can be derived
  --> $DIR/derivable_impls.rs:156:1
   |
LL | / impl Default for WithoutSelfCurly {
LL | |     fn default() -> Self {
LL | |         WithoutSelfCurly { a: false }
LL | |     }
LL | | }
   | |_^
   |
   = help: try annotating `WithoutSelfCurly` with `#[derive(Default)]`

error: this `impl` can be derived
  --> $DIR/derivable_impls.rs:164:1
   |
LL | / impl Default for WithoutSelfParan {
LL | |     fn default() -> Self {
LL | |         WithoutSelfParan(false)
LL | |     }
LL | | }
   | |_^
   |
   = help: try annotating `WithoutSelfParan` with `#[derive(Default)]`

error: aborting due to 6 previous errors