=> Bootstrap dependency digest>=20010302: found digest-20160304 => Fetching libmsn-4.2.1.tar.bz2 => Total size: 316900 bytes Certificate verification failed for /C=US/O=Let's Encrypt/CN=Let's Encrypt Authority X3 34374371912:error:14090086:SSL routines:ssl3_get_server_certificate:certificate verify failed:/usr/src/crypto/openssl/ssl/s3_clnt.c:1269: fetch: http://downloads.sourceforge.net/sourceforge/libmsn/libmsn-4.2.1.tar.bz2: Authentication error fetch: Unable to fetch expected file libmsn-4.2.1.tar.bz2 libmsn-4.2.1.tar.bz2 0 B 0 Bps => Checksum SHA1 OK for libmsn-4.2.1.tar.bz2 => Checksum RMD160 OK for libmsn-4.2.1.tar.bz2 => Checksum SHA512 OK for libmsn-4.2.1.tar.bz2