fix travis

Makefile

@@ -5,15 +5,15 @@ lint: ## Run linters. Use make install-linters first.
 	GO111MODULE=on go vet -all ./...
 
 install-linters: ## Install linters
-	go get -u github.com/FiloSottile/vendorcheck
+	GO111MODULE=on go get -u github.com/FiloSottile/vendorcheck
 	# For some reason this install method is not recommended, see https://github.com/golangci/golangci-lint#install
 	# However, they suggest `curl ... | bash` which we should not do
-	go get -u github.com/golangci/golangci-lint/cmd/golangci-lint
+	GO111MODULE=on go get -u github.com/golangci/golangci-lint/cmd/golangci-lint
 
 format: ## Formats the code. Must have goimports installed (use make install-linters).
-	goimports -w -local github.com/skycoin/skywire ./pkg
-	goimports -w -local github.com/skycoin/skywire ./cmd
-	goimports -w -local github.com/skycoin/skywire ./internal
+	GO111MODULE=on goimports -w -local github.com/skycoin/skywire ./pkg
+	GO111MODULE=on goimports -w -local github.com/skycoin/skywire ./cmd
+	GO111MODULE=on goimports -w -local github.com/skycoin/skywire ./internal
 
 dep: ## sorts dependencies
 	GO111MODULE=on go mod vendor -v

go.mod

@@ -7,6 +7,7 @@ require (
 	github.com/google/uuid v1.1.0
 	github.com/hashicorp/yamux v0.0.0-20181012175058-2f1d1f20f75d
 	github.com/inconshreveable/mousetrap v1.0.0 // indirect
+	github.com/kr/pretty v0.1.0 // indirect
 	github.com/kr/pty v1.1.3
 	github.com/mattn/go-colorable v0.1.0 // indirect
 	github.com/mattn/go-isatty v0.0.4 // indirect
@@ -21,4 +22,6 @@ require (
 	golang.org/x/crypto v0.0.0-20190219172222-a4c6cb3142f2
 	golang.org/x/net v0.0.0-20190213061140-3a22650c66bd
 	golang.org/x/sys v0.0.0-20190220154126-629670e5acc5 // indirect
+	golang.org/x/text v0.3.0 // indirect
+	gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 // indirect
 )

go.sum

@@ -16,8 +16,13 @@ github.com/inconshreveable/mousetrap v1.0.0 h1:Z8tu5sraLXCXIcARxBp/8cbvlwVa7Z1NH
 github.com/inconshreveable/mousetrap v1.0.0/go.mod h1:PxqpIevigyE2G7u3NXJIT2ANytuPF1OarO4DADm73n8=
 github.com/konsorten/go-windows-terminal-sequences v1.0.1 h1:mweAR1A6xJ3oS2pRaGiHgQ4OO8tzTaLawm8vnODuwDk=
 github.com/konsorten/go-windows-terminal-sequences v1.0.1/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
+github.com/kr/pretty v0.1.0 h1:L/CwN0zerZDmRFUapSPitk6f+Q3+0za1rQkzVuMiMFI=
+github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
+github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
 github.com/kr/pty v1.1.3 h1:/Um6a/ZmD5tF7peoOJ5oN5KMQ0DrGVQSXLNwyckutPk=
 github.com/kr/pty v1.1.3/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
+github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE=
+github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
 github.com/mattn/go-colorable v0.1.0 h1:v2XXALHHh6zHfYTJ+cSkwtyffnaOyR1MXaA91mTrb8o=
 github.com/mattn/go-colorable v0.1.0/go.mod h1:9vuHe8Xs5qXnSaW/c/ABM9alt+Vo+STaOChaDxuIBZU=
 github.com/mattn/go-isatty v0.0.4 h1:bnP0vzxcAdeI1zdubAl5PjU6zsERjGZb7raWodagDYs=
@@ -51,3 +56,7 @@ golang.org/x/net v0.0.0-20190213061140-3a22650c66bd/go.mod h1:mL1N/T3taQHkDXs73r
 golang.org/x/sys v0.0.0-20180905080454-ebe1bf3edb33/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190220154126-629670e5acc5 h1:3Nsfe5Xa1wTt01QxlAFIY5j9ycDtS+d7mhvI8ZY5bn0=
 golang.org/x/sys v0.0.0-20190220154126-629670e5acc5/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/text v0.3.0 h1:g61tztE5qeGQ89tm6NTjjM9VPIm088od1l6aSorWRWg=
+golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
+gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 h1:qIbj1fsPNlZgppZ+VLlY7N33q108Sa+fhmuc+sWQYwY=
+gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=