=> Bootstrap dependency digest>=20010302: found digest-20160304
=> Fetching vsftpd-3.0.3.tar.gz
=> Total size: 196649 bytes
Certificate verification failed for /C=US/O=Google Trust Services/CN=Google Internet Authority G3
34374371912:error:14090086:SSL routines:ssl3_get_server_certificate:certificate verify failed:/usr/src/crypto/openssl/ssl/s3_clnt.c:1269:
fetch: http://security.appspot.com/downloads/vsftpd-3.0.3.tar.gz: Authentication error
fetch: Unable to fetch expected file vsftpd-3.0.3.tar.gz
vsftpd-3.0.3.tar.gz                                      0  B    0  Bps
=> Checksum SHA1 OK for vsftpd-3.0.3.tar.gz
=> Checksum RMD160 OK for vsftpd-3.0.3.tar.gz
=> Checksum SHA512 OK for vsftpd-3.0.3.tar.gz