error[E0277]: the trait bound `NotZerocopy: zerocopy::FromBytes` is not satisfied --> tests/ui-msrv/transmute-dst-not-frombytes.rs:19:41 | 19 | const DST_NOT_FROM_BYTES: NotZerocopy = transmute!(AU16(0)); | ^^^^^^^^^^^^^^^^^^^ the trait `zerocopy::FromBytes` is not implemented for `NotZerocopy` | note: required by `AssertIsFromBytes` --> tests/ui-msrv/transmute-dst-not-frombytes.rs:19:41 | 19 | const DST_NOT_FROM_BYTES: NotZerocopy = transmute!(AU16(0)); | ^^^^^^^^^^^^^^^^^^^ = note: this error originates in the macro `transmute` (in Nightly builds, run with -Z macro-backtrace for more info)