message: Fix nightly changes to error messages
diff: @@ -8,7 +8,7 @@ error[E0271]: type mismatch resolving `<NonStorageStruct as non_storage_ink_impl
  | required by a bound in this
  | required by this bound in `non_storage_ink_impls::_::_::{closure#0}::assert_type_eq_all`
  |
  - = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
  + = note: this error originates in the macro `::ink_lang::static_assertions::assert_type_eq_all` (in Nightly builds, run with -Z macro-backtrace for more info)
  error[E0599]: no function or associated item named `constructor2` found for struct `StorageStruct` in the current scope
  --> $DIR/S-04-non-storage-ink-impls.rs:30:16
  