dockerimg: unset GOBIN when installing
diff --git a/dockerimg/dockerimg.go b/dockerimg/dockerimg.go
index a09c965..481d24e 100644
--- a/dockerimg/dockerimg.go
+++ b/dockerimg/dockerimg.go
@@ -403,6 +403,7 @@
 		"CGO_ENABLED=0",
 		"GOTOOLCHAIN=auto",
 		"GOPATH="+linuxGopath,
+		"GOBIN=",
 	)
 
 	fmt.Printf("building linux agent binary...\n")