Update nmap dependency to v2.0.0 (#250)

Author: Ullaakut

go.mod

@@ -6,7 +6,7 @@ require (
 	github.com/PuerkitoBio/goquery v1.5.0
 	github.com/Ullaakut/disgo v0.3.1
 	github.com/Ullaakut/go-curl v0.0.0-20190525093431-597e157bbffd
-	github.com/Ullaakut/nmap v0.0.0-20191020025340-830f10551944
+	github.com/Ullaakut/nmap v2.0.0+incompatible
 	github.com/VividCortex/ewma v1.1.1 // indirect
 	github.com/fatih/color v1.7.0 // indirect
 	github.com/mattn/go-colorable v0.1.2 // indirect

go.sum

@@ -8,8 +8,8 @@ github.com/Ullaakut/disgo v0.3.1 h1:BGGVHynji41KGuGI02ztTCnILRvyzlvmiCRl5bBpjKk=
 github.com/Ullaakut/disgo v0.3.1/go.mod h1:/CSvpnYVSKOeh2dvUvx9cXshzz2t7T1/lRO/MrFj3fI=
 github.com/Ullaakut/go-curl v0.0.0-20190525093431-597e157bbffd h1:CMe+dX1CL4pCXNytxIB2U1qp0xZObGMZosJhaQdUlUo=
 github.com/Ullaakut/go-curl v0.0.0-20190525093431-597e157bbffd/go.mod h1:u8mVgpDT88IPIt1B+Tu8vkrcFfBKGcfGwS9I7wmvMh0=
-github.com/Ullaakut/nmap v0.0.0-20191020025340-830f10551944 h1:DNJrYrcmJHFhjxXuxDqYIlnH3jK1ohjSzEHlI/mk+tc=
-github.com/Ullaakut/nmap v0.0.0-20191020025340-830f10551944/go.mod h1:fkC066hwfcoKwlI7DS2ARTggSVtBTZYCjVH1TzuTMaQ=
+github.com/Ullaakut/nmap v2.0.0+incompatible h1:tNXub052dsnG8+yrgpph9nhVixIBdpRRgzvmQoc8eBA=
+github.com/Ullaakut/nmap v2.0.0+incompatible/go.mod h1:fkC066hwfcoKwlI7DS2ARTggSVtBTZYCjVH1TzuTMaQ=
 github.com/VividCortex/ewma v1.1.1 h1:MnEK4VOv6n0RSY4vtRe3h11qjxL3+t0B8yOL8iMXdcM=
 github.com/VividCortex/ewma v1.1.1/go.mod h1:2Tkkvm3sRDVXaiyucHiACn4cqf7DpdyLvmxzcbUokwA=
 github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=

scan.go

@@ -35,11 +35,15 @@ func (s *Scanner) Scan() ([]Stream, error) {
 }
 
 func (s *Scanner) scan(nmapScanner nmap.ScanRunner) ([]Stream, error) {
-	results, err := nmapScanner.Run()
+	results, warnings, err := nmapScanner.Run()
 	if err != nil {
 		return nil, s.term.FailStepf("error while scanning network: %v", err)
 	}
 
+	for _, warning := range warnings {
+		s.term.Infoln("[Nmap Warning]", warning)
+	}
+
 	// Get streams from nmap results.
 	var streams []Stream
 	for _, host := range results.Hosts {