diff --git a/src/python/pants/backend/python/subsystems/python_native_toolchain.py b/src/python/pants/backend/python/subsystems/python_native_toolchain.py
index 5631a78eee5..c8bc445348a 100644
--- a/src/python/pants/backend/python/subsystems/python_native_toolchain.py
+++ b/src/python/pants/backend/python/subsystems/python_native_toolchain.py
@@ -52,7 +52,10 @@ def __init__(self, llvm_toolchain_dir, base_interp):
   @memoized_method
   def sanitized_environment(self):
     pre_sanitized_env = super(SandboxedInterpreter, self).sanitized_environment()
-    pre_sanitized_env['PATH'] = os.path.join(self._llvm_toolchain_dir, 'bin')
+    pre_sanitized_env['PATH'] = ':'.join([
+      os.path.join(self._llvm_toolchain_dir, 'bin'),
+      '/usr/bin',
+    ])
 
     llvm_include = os.path.join(self._llvm_toolchain_dir, 'include')
     python_inc_stdout, _ = Executor.execute([self.binary], env=pre_sanitized_env, stdin_payload=INC_DIR_INPUT)
diff --git a/src/python/pants/backend/python/tasks/pex_build_util.py b/src/python/pants/backend/python/tasks/pex_build_util.py
index 08504fbdd57..4e10879e4c0 100644
--- a/src/python/pants/backend/python/tasks/pex_build_util.py
+++ b/src/python/pants/backend/python/tasks/pex_build_util.py
@@ -179,8 +179,6 @@ def build_req_lib_provided_by_setup_file(build_graph, local_built_dists,
   :param synthetic_address: A generative address for addressing synthetic targets.
   :return: a :class: `PythonRequirementLibrary` with `requirements` that map to locally-built wheels.
   """
-  context.log.info('local_built_dists: {}'.format(repr(local_built_dists)))
-
   tgt_ids = None
   if in_tgts is not None:
     tgt_ids = frozenset([t.id for t in in_tgts])
@@ -202,7 +200,7 @@ def python_requirement_from_wheel(path):
     if not should_create_req(whl_location):
       continue
     whl_req = python_requirement_from_wheel(whl_location)
-    local_whl_reqs.append(PythonRequirement(req_name, repository=whl_dir))
+    local_whl_reqs.append(whl_req)
 
   if len(local_whl_reqs) == 0:
     return None
diff --git a/src/python/pants/backend/python/tasks/python_binary_create.py b/src/python/pants/backend/python/tasks/python_binary_create.py
index d1f8f457b49..31b521795ec 100644
--- a/src/python/pants/backend/python/tasks/python_binary_create.py
+++ b/src/python/pants/backend/python/tasks/python_binary_create.py
@@ -140,7 +140,7 @@ def _create_binary(self, binary_tgt, results_dir):
         BuildLocalPythonDistributions.PYTHON_DISTS)
 
       if built_dists is not None:
-        synthetic_address = ':'.join(2 * [binary_tgt.invalidation_has()])
+        synthetic_address = ':'.join(2 * [binary_tgt.invalidation_hash()])
 
         local_dist_req_lib = build_req_lib_provided_by_setup_file(
           self.context.build_graph,
diff --git a/src/python/pants/backend/python/tasks/resolve_requirements_task_base.py b/src/python/pants/backend/python/tasks/resolve_requirements_task_base.py
index 45944191458..6ffddac6325 100644
--- a/src/python/pants/backend/python/tasks/resolve_requirements_task_base.py
+++ b/src/python/pants/backend/python/tasks/resolve_requirements_task_base.py
@@ -64,7 +64,7 @@ def resolve_requirements(self, req_libs, local_dist_targets=None):
             BuildLocalPythonDistributions.PYTHON_DISTS)
 
           if built_dists is not None:
-            synthetic_address = ':'.join(2 * [binary_tgt.invalidation_has()])
+            synthetic_address = ':'.join(2 * [binary_tgt.invalidation_hash()])
 
             local_dist_req_lib = build_req_lib_provided_by_setup_file(
               self.context.build_graph,