error[E0423]: expected value, found builtin type `u16` --> $DIR/resolve-primitive-fallback.rs:3:23 | LL | std::mem::size_of(u16); | ^^^ not a value error[E0412]: cannot find type `u8` in the crate root --> $DIR/resolve-primitive-fallback.rs:8:14 | LL | let _: ::u8; | ^^ not found in the crate root | help: consider importing this builtin type | LL | use std::primitive::u8; | help: if you import `u8`, refer to it directly | LL - let _: ::u8; LL + let _: u8; | error[E0061]: this function takes 0 arguments but 1 argument was supplied --> $DIR/resolve-primitive-fallback.rs:3:5 | LL | std::mem::size_of(u16); | ^^^^^^^^^^^^^^^^^ --- | | | unexpected argument | help: remove the extra argument | note: function defined here --> $SRC_DIR/core/src/mem/mod.rs:LL:COL error: aborting due to 3 previous errors Some errors have detailed explanations: E0061, E0412, E0423. For more information about an error, try `rustc --explain E0061`.