=> Bootstrap dependency digest>=20211023: found digest-20220214
=> Fetching callr_3.8.0.tar.gz
=> Total size: 113258 bytes
ftp: Error retrieving file `404 Not Found'
fetch: Unable to fetch expected file callr_3.8.0.tar.gz
=> Checksum BLAKE2s OK for R/callr_3.8.0.tar.gz
=> Checksum SHA512 OK for R/callr_3.8.0.tar.gz
=> Checksum BLAKE2s OK for R/callr_3.8.0.tar.gz
=> Checksum SHA512 OK for R/callr_3.8.0.tar.gz