=> Bootstrap dependency digest>=20211023: found digest-20220214
=> Fetching flit-3.12.0.tar.gz
=> Total size: 155038 bytes
ftp: Error retrieving file `404 Not Found'
fetch: Unable to fetch expected file flit-3.12.0.tar.gz
=> Checksum BLAKE2s OK for flit-3.12.0.tar.gz
=> Checksum SHA512 OK for flit-3.12.0.tar.gz
=> Checksum BLAKE2s OK for flit-3.12.0.tar.gz
=> Checksum SHA512 OK for flit-3.12.0.tar.gz