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: 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 `&'a 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 2 previous errors