122     def run_script(self, expected, override_env):  member in TestRustIsAvailable
170         result = self.run_script(self.Expected.FAILURE, { "RUSTC": None })
175         result = self.run_script(self.Expected.FAILURE, { "BINDGEN": None })
180         result = self.run_script(self.Expected.FAILURE, { "CC": None })
185         result = self.run_script(self.Expected.FAILURE, { "RUSTC": self.missing })
189         result = self.run_script(self.Expected.FAILURE, { "BINDGEN": self.missing })
193         result = self.run_script(self.Expected.FAILURE, { "RUSTC": self.nonexecutable })
197         result = self.run_script(self.Expected.FAILURE, { "RUSTC": self.unexpected_binary })
202         result = self.run_script(self.Expected.FAILURE, { "RUSTC": rustc })
207         result = self.run_script(self.Expected.FAILURE, { "RUSTC": rustc })
212         result = self.run_script(self.Expected.FAILURE, { "RUSTC": rustc })
217         result = self.run_script(self.Expected.FAILURE, { "RUSTC": rustc })
221         result = self.run_script(self.Expected.FAILURE, { "BINDGEN": self.nonexecutable })
225         result = self.run_script(self.Expected.FAILURE, { "BINDGEN": self.unexpected_binary })
230         result = self.run_script(self.Expected.FAILURE, { "BINDGEN": bindgen })
235         result = self.run_script(self.Expected.FAILURE, { "BINDGEN": bindgen })
240         result = self.run_script(self.Expected.FAILURE, { "BINDGEN": bindgen })
245         result = self.run_script(self.Expected.FAILURE, { "BINDGEN": bindgen })
252 …              result = self.run_script(self.Expected.SUCCESS_WITH_WARNINGS, { "BINDGEN": bindgen })
259                 result = self.run_script(self.Expected.SUCCESS, { "BINDGEN": bindgen })
263         result = self.run_script(self.Expected.FAILURE, { "BINDGEN": bindgen })
269         result = self.run_script(self.Expected.FAILURE, { "BINDGEN": bindgen })
275         result = self.run_script(self.Expected.FAILURE, { "BINDGEN": bindgen })
296                 result = self.run_script(expected_not_patched, { "BINDGEN": bindgen, "CC": cc })
301                 result = self.run_script(self.Expected.SUCCESS, { "BINDGEN": bindgen, "CC": cc })
305         result = self.run_script(self.Expected.SUCCESS_WITH_WARNINGS, { "BINDGEN": bindgen })
310         result = self.run_script(self.Expected.SUCCESS_WITH_WARNINGS, { "CC": cc })
314 …result = self.run_script(self.Expected.FAILURE, { "PATH": os.environ["PATH"], "RUSTC": "rustc", "K…
318         result = self.run_script(self.Expected.FAILURE, { "RUST_LIB_SRC": self.missing })
322         result = self.run_script(self.Expected.SUCCESS_WITH_EXTRA_OUTPUT, { "CC": self.missing })
331         result = self.run_script(self.Expected.SUCCESS, { "CC": f"{clang} clang" })
341                 result = self.run_script(self.Expected.SUCCESS, { "RUSTC": rustc })
351                 result = self.run_script(self.Expected.SUCCESS, { "BINDGEN": bindgen })
369                 result = self.run_script(self.Expected.SUCCESS, { "BINDGEN": bindgen })
380                 result = self.run_script(self.Expected.SUCCESS, { "CC": clang })
385                 result = self.run_script(self.Expected.SUCCESS, {