error[E0226]: only a single explicit lifetime bound is permitted
  --> $DIR/not-on-struct.rs:25:25
   |
LL | fn e() -> 'static + A + 'static {
   |                         ^^^^^^^

error[E0226]: only a single explicit lifetime bound is permitted
  --> $DIR/not-on-struct.rs:29:53
   |
LL | fn f<'a,T,E>(iter: Iterator<Item='a + Result<T,E> + 'a>) {
   |                                                     ^^

error[E0404]: expected trait, found struct `Foo`
  --> $DIR/not-on-struct.rs:8:16
   |
LL | fn foo(_x: Box<Foo + Send>) { }
   |                ^^^ not a trait
   |
help: `+` is used to constrain a "trait object" type with lifetimes or auto-traits; structs and enums can't be bound in that way
  --> $DIR/not-on-struct.rs:8:22
   |
LL | fn foo(_x: Box<Foo + Send>) { }
   |                ---   ^^^^ ...because of this bound
   |                |
   |                expected this type to be a trait...

error[E0404]: expected trait, found struct `Vec`
  --> $DIR/not-on-struct.rs:10:29
   |
LL | type TypeAlias<T> = Box<dyn Vec<T>>;
   |                             ^^^^^^ not a trait

error[E0404]: expected trait, found struct `A`
  --> $DIR/not-on-struct.rs:13:11
   |
LL | fn a() -> A + 'static {
   |           ^ not a trait
   |
help: `+` is used to constrain a "trait object" type with lifetimes or auto-traits; structs and enums can't be bound in that way
  --> $DIR/not-on-struct.rs:13:15
   |
LL | fn a() -> A + 'static {
   |           -   ^^^^^^^ ...because of this bound
   |           |
   |           expected this type to be a trait...
help: if you meant to use a type and not a trait here, remove the bounds
   |
LL - fn a() -> A + 'static {
LL + fn a() -> A {
   |

error[E0404]: expected trait, found enum `Result`
  --> $DIR/not-on-struct.rs:16:34
   |
LL | fn b<'a,T,E>(iter: Iterator<Item=Result<T,E> + 'a>) {
   |                                  ^^^^^^^^^^^ not a trait
   |
help: `+` is used to constrain a "trait object" type with lifetimes or auto-traits; structs and enums can't be bound in that way
  --> $DIR/not-on-struct.rs:16:48
   |
LL | fn b<'a,T,E>(iter: Iterator<Item=Result<T,E> + 'a>) {
   |                                  -----------   ^^ ...because of this bound
   |                                  |
   |                                  expected this type to be a trait...
help: if you meant to use a type and not a trait here, remove the bounds
   |
LL - fn b<'a,T,E>(iter: Iterator<Item=Result<T,E> + 'a>) {
LL + fn b<'a,T,E>(iter: Iterator<Item=Result<T,E>>) {
   |

error[E0404]: expected trait, found struct `A`
  --> $DIR/not-on-struct.rs:19:21
   |
LL | fn c() -> 'static + A {
   |                     ^ not a trait
   |
help: `+` is used to constrain a "trait object" type with lifetimes or auto-traits; structs and enums can't be bound in that way
  --> $DIR/not-on-struct.rs:19:11
   |
LL | fn c() -> 'static + A {
   |           ^^^^^^^   - expected this type to be a trait...
   |           |
   |           ...because of this bound
help: if you meant to use a type and not a trait here, remove the bounds
   |
LL - fn c() -> 'static + A {
LL + fn c() -> A {
   |

error[E0404]: expected trait, found enum `Result`
  --> $DIR/not-on-struct.rs:22:39
   |
LL | fn d<'a,T,E>(iter: Iterator<Item='a + Result<T,E>>) {
   |                                       ^^^^^^^^^^^ not a trait
   |
help: `+` is used to constrain a "trait object" type with lifetimes or auto-traits; structs and enums can't be bound in that way
  --> $DIR/not-on-struct.rs:22:34
   |
LL | fn d<'a,T,E>(iter: Iterator<Item='a + Result<T,E>>) {
   |                                  ^^   ----------- expected this type to be a trait...
   |                                  |
   |                                  ...because of this bound
help: if you meant to use a type and not a trait here, remove the bounds
   |
LL - fn d<'a,T,E>(iter: Iterator<Item='a + Result<T,E>>) {
LL + fn d<'a,T,E>(iter: Iterator<Item=Result<T,E>>) {
   |

error[E0404]: expected trait, found struct `A`
  --> $DIR/not-on-struct.rs:25:21
   |
LL | fn e() -> 'static + A + 'static {
   |                     ^ not a trait
   |
help: `+` is used to constrain a "trait object" type with lifetimes or auto-traits; structs and enums can't be bound in that way
  --> $DIR/not-on-struct.rs:25:11
   |
LL | fn e() -> 'static + A + 'static {
   |           ^^^^^^^   -   ^^^^^^^ ...because of these bounds
   |                     |
   |                     expected this type to be a trait...
help: if you meant to use a type and not a trait here, remove the bounds
   |
LL - fn e() -> 'static + A + 'static {
LL + fn e() -> A {
   |

error[E0404]: expected trait, found enum `Result`
  --> $DIR/not-on-struct.rs:29:39
   |
LL | fn f<'a,T,E>(iter: Iterator<Item='a + Result<T,E> + 'a>) {
   |                                       ^^^^^^^^^^^ not a trait
   |
help: `+` is used to constrain a "trait object" type with lifetimes or auto-traits; structs and enums can't be bound in that way
  --> $DIR/not-on-struct.rs:29:34
   |
LL | fn f<'a,T,E>(iter: Iterator<Item='a + Result<T,E> + 'a>) {
   |                                  ^^   -----------   ^^ ...because of these bounds
   |                                       |
   |                                       expected this type to be a trait...
help: if you meant to use a type and not a trait here, remove the bounds
   |
LL - fn f<'a,T,E>(iter: Iterator<Item='a + Result<T,E> + 'a>) {
LL + fn f<'a,T,E>(iter: Iterator<Item=Result<T,E>>) {
   |

error[E0404]: expected trait, found struct `Traitor`
  --> $DIR/not-on-struct.rs:35:11
   |
LL | trait Trait {}
   | ----------- similarly named trait `Trait` defined here
LL | fn g() -> Traitor + 'static {
   |           ^^^^^^^ not a trait
   |
help: `+` is used to constrain a "trait object" type with lifetimes or auto-traits; structs and enums can't be bound in that way
  --> $DIR/not-on-struct.rs:35:21
   |
LL | fn g() -> Traitor + 'static {
   |           -------   ^^^^^^^ ...because of this bound
   |           |
   |           expected this type to be a trait...
help: if you meant to use a type and not a trait here, remove the bounds
   |
LL - fn g() -> Traitor + 'static {
LL + fn g() -> Traitor {
   |
help: a trait with a similar name exists
   |
LL | fn g() -> Trait + 'static {
   |           ~~~~~

error: aborting due to 11 previous errors

Some errors have detailed explanations: E0226, E0404.
For more information about an error, try `rustc --explain E0226`.