* Ensure `Trap` is returned for start function traps Handle another case of errors coming out of instantiation, resolve a FIXME, and remove an unneeded dependency from the wast testsuite crate. * Run rustfmt
* Ensure `Trap` is returned for start function traps Handle another case of errors coming out of instantiation, resolve a FIXME, and remove an unneeded dependency from the wast testsuite crate. * Run rustfmt