Finished in 22:35 minutes
14988 examples, 5 failures, 0 errors, 12 pending

Failed examples:

crystal spec spec/std/http/server/server_spec.cr:494 # HTTP::Server handles exception during SSL handshake (#6577)
crystal spec spec/std/socket/tcp_server_spec.cr:35 # TCPServer .new using IPv4 raises when port is negative
crystal spec spec/std/socket/tcp_server_spec.cr:35 # TCPServer .new using IPv6 raises when port is negative
crystal spec spec/std/socket/tcp_socket_spec.cr:35 # TCPSocket #connect using IPv4 raises when port is negative
crystal spec spec/std/socket/tcp_socket_spec.cr:35 # TCPSocket #connect using IPv6 raises when port is negative
make: *** [Makefile:86: spec] Error 1
>>> ERROR: crystal: check failed