=> Bootstrap dependency digest>=20211023: found digest-20220214
=> Fetching io-event-1.4.4.gem
=> Total size: 37376 bytes
ftp: Error retrieving file `404 Not Found'
fetch: Unable to fetch expected file io-event-1.4.4.gem
=> Checksum BLAKE2s OK for io-event-1.4.4.gem
=> Checksum SHA512 OK for io-event-1.4.4.gem
=> Checksum BLAKE2s OK for io-event-1.4.4.gem
=> Checksum SHA512 OK for io-event-1.4.4.gem