Fix build & vet

- fix `go vet` error
- fix build on Big Sur due to new security limits which impact
    logrus: sirupsen/logrus#1275

go.mod

@@ -16,4 +16,6 @@ require (
 	github.com/skratchdot/open-golang v0.0.0-20200116055534-eef842397966
 	github.com/synfinatic/gotable v0.0.1
 	golang.org/x/crypto v0.0.0-20200820211705-5c72a883971a
+        // see: https://github.com/sirupsen/logrus/issues/1275
+        golang.org/x/sys v0.0.0-20210817190340-bfb29a6856f2 // indirect
 )

go.sum

@@ -177,6 +177,8 @@ golang.org/x/sys v0.0.0-20200909081042-eff7692f9009/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20200918174421-af09f7315aff/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f h1:+Nyd8tzPX9R7BWHguqsrbFdRx3WQ/1ib8I44HXV5yTA=
 golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20210817190340-bfb29a6856f2 h1:c8PlLMqBbOHoqtjteWm5/kbe6rNY2pbRfbIMVnepueo=
+golang.org/x/sys v0.0.0-20210817190340-bfb29a6856f2/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.1-0.20181227161524-e6919f6577db/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=

sso/awssso.go

@@ -480,7 +480,7 @@ type RoleCredentials struct { // Cache
 }
 
 func (r *RoleCredentials) RoleArn() string {
-	return fmt.Sprintf("arn:aws:iam:%s:role/%s", r.AccountId, r.RoleName)
+	return fmt.Sprintf("arn:aws:iam:%d:role/%s", r.AccountId, r.RoleName)
 }
 
 func (r *RoleCredentials) ExpireString() string {