error: implementation of `Foo` is not general enough --> $DIR/hrtb-just-for-static.rs:24:5 | LL | want_hrtb::() | ^^^^^^^^^^^^^^^^^^^^^^ implementation of `Foo` is not general enough | = note: `StaticInt` must implement `Foo<&'0 isize>`, for any lifetime `'0`... = note: ...but it actually implements `Foo<&'static isize>` error: lifetime may not live long enough --> $DIR/hrtb-just-for-static.rs:30:5 | LL | fn give_some<'a>() { | -- lifetime `'a` defined here LL | want_hrtb::<&'a u32>() | ^^^^^^^^^^^^^^^^^^^^ requires that `'a` must outlive `'static` | note: due to current limitations in the borrow checker, this implies a `'static` lifetime --> $DIR/hrtb-just-for-static.rs:9:15 | LL | where T : for<'a> Foo<&'a isize> | ^^^^^^^^^^^^^^^^^^^^^^ error: implementation of `Foo` is not general enough --> $DIR/hrtb-just-for-static.rs:30:5 | LL | want_hrtb::<&'a u32>() | ^^^^^^^^^^^^^^^^^^^^ implementation of `Foo` is not general enough | = note: `Foo<&'0 isize>` would have to be implemented for the type `&u32`, for any lifetime `'0`... = note: ...but `Foo<&'1 isize>` is actually implemented for the type `&'1 u32`, for some specific lifetime `'1` error: aborting due to 3 previous errors