error[E0637]: `&` without an explicit lifetime name cannot be used here --> $DIR/issue-65285-incorrect-explicit-lifetime-name-needed.rs:5:37 | LL | fn should_error() where T : Into<&u32> {} | ^ explicit lifetime name needed here | help: consider introducing a higher-ranked lifetime here with `for<'a>` --> $DIR/issue-65285-incorrect-explicit-lifetime-name-needed.rs:5:32 | LL | fn should_error() where T : Into<&u32> {} | ^ error[E0106]: missing lifetime specifier --> $DIR/issue-65285-incorrect-explicit-lifetime-name-needed.rs:9:20 | LL | fn foo<'b, L: X<&'b Nested>>(); | ^ expected named lifetime parameter | note: these named lifetimes are available to use --> $DIR/issue-65285-incorrect-explicit-lifetime-name-needed.rs:8:9 | LL | trait X<'a, K: 'a> { | ^^ LL | fn foo<'b, L: X<&'b Nested>>(); | ^^ help: consider using one of the available lifetimes here | LL | fn foo<'b, L: X<'lifetime, &'b Nested>>(); | ++++++++++ error[E0106]: missing lifetime specifier --> $DIR/issue-65285-incorrect-explicit-lifetime-name-needed.rs:13:16 | LL | fn bar<'b, L: X<&'b Nested>>(){} | ^ expected named lifetime parameter | help: consider using the `'b` lifetime | LL | fn bar<'b, L: X<'b, &'b Nested>>(){} | +++ error: aborting due to 3 previous errors Some errors have detailed explanations: E0106, E0637. For more information about an error, try `rustc --explain E0106`.