Makefiles are overrated.

.travis.yml

@@ -10,7 +10,8 @@ install:
 script:
   - cargo build
   - cargo test
-  - make doc test-doc
+  - ./doc.sh
+  - ./doc.sh --test
 
 after_success: |
   [ $TRAVIS_BRANCH = master ] &&

Makefile

@@ -1,7 +0,0 @@
-.PHONY: doc test-doc
-
-doc:
-	rustdoc src/url.rs -L target/deps -L target
-
-test-doc:
-	rustdoc src/url.rs -L target/deps -L target --test

doc.sh

@@ -0,0 +1,2 @@
+#!/bin/sh
+rustdoc src/url.rs -L target/deps -L target "$@"