error[E0072]: recursive type `T1` has infinite size
  --> $DIR/type-recursive.rs:1:1
   |
LL | struct T1 {
   | ^^^^^^^^^ recursive type has infinite size
LL |     foo: isize,
LL |     foolish: T1,
   |              -- recursive without indirection
   |
help: insert some indirection (e.g., a `Box`, `Rc`, or `&`) to make `T1` representable
   |
LL |     foolish: Box<T1>,
   |              ++++  +

error[E0072]: recursive type `T2` has infinite size
  --> $DIR/type-recursive.rs:6:1
   |
LL | struct T2 {
   | ^^^^^^^^^ recursive type has infinite size
LL |     inner: Option<T2>,
   |            ---------- recursive without indirection
   |
help: insert some indirection (e.g., a `Box`, `Rc`, or `&`) to make `T2` representable
   |
LL |     inner: Option<Box<T2>>,
   |                   ++++  +

error[E0072]: recursive type `T3` has infinite size
  --> $DIR/type-recursive.rs:12:1
   |
LL | struct T3 {
   | ^^^^^^^^^ recursive type has infinite size
LL |     inner: OptionT3,
   |            -------- recursive without indirection
   |
help: insert some indirection (e.g., a `Box`, `Rc`, or `&`) to make `T3` representable
   |
LL |     inner: Box<OptionT3>,
   |            ++++        +

error[E0072]: recursive type `T4` has infinite size
  --> $DIR/type-recursive.rs:16:1
   |
LL | struct T4(Option<T4>);
   | ^^^^^^^^^ ---------- recursive without indirection
   | |
   | recursive type has infinite size
   |
help: insert some indirection (e.g., a `Box`, `Rc`, or `&`) to make `T4` representable
   |
LL | struct T4(Option<Box<T4>>);
   |                  ++++  +

error[E0072]: recursive type `T5` has infinite size
  --> $DIR/type-recursive.rs:18:1
   |
LL | enum T5 {
   | ^^^^^^^ recursive type has infinite size
LL |     Variant(Option<T5>),
   |             ---------- recursive without indirection
   |
help: insert some indirection (e.g., a `Box`, `Rc`, or `&`) to make `T5` representable
   |
LL |     Variant(Option<Box<T5>>),
   |                    ++++  +

error[E0072]: recursive type `T6` has infinite size
  --> $DIR/type-recursive.rs:22:1
   |
LL | enum T6 {
   | ^^^^^^^ recursive type has infinite size
LL |     Variant{ field: Option<T6> },
   |                     ---------- recursive without indirection
   |
help: insert some indirection (e.g., a `Box`, `Rc`, or `&`) to make `T6` representable
   |
LL |     Variant{ field: Option<Box<T6>> },
   |                            ++++  +

error[E0072]: recursive type `T7` has infinite size
  --> $DIR/type-recursive.rs:26:1
   |
LL | struct T7 {
   | ^^^^^^^^^ recursive type has infinite size
LL |     foo: std::cell::Cell<Option<T7>>,
   |          --------------------------- recursive without indirection
   |
help: insert some indirection (e.g., a `Box`, `Rc`, or `&`) to make `T7` representable
   |
LL |     foo: Box<std::cell::Cell<Option<T7>>>,
   |          ++++                           +

error: aborting due to 7 previous errors

For more information about this error, try `rustc --explain E0072`.