While attempting to build a snap for ssh-audit (https://github.com/jtesta/ssh-audit) on a fully-updated Ubuntu 18.04.4 machine, I get the following crash output: jdog@ubuntu1804:~/ssh-audit$ cat /etc/lsb-release DISTRIB_ID=Ubuntu DISTRIB_RELEASE=18.04 DISTRIB_CODENAME=bionic DISTRIB_DESCRIPTION="Ubuntu 18.04.4 LTS" jdog@ubuntu1804:~/ssh-audit$ snapcraft [...] Building ssh-audit Staging ssh-audit Priming ssh-audit 'grade' property not specified: defaulting to 'stable' Determining the version from the project repo (version: git). The version has been set to 'v2.2.0' Sorry, an error occurred in Snapcraft: Traceback (most recent call last): File "/usr/bin/snapcraft", line 11, in <module> load_entry_point('snapcraft==2.43.1+18.4', 'console_scripts', 'snapcraft')() File "/usr/lib/python3/dist-packages/click/core.py", line 722, in __call__ return self.main(*args, **kwargs) File "/usr/lib/python3/dist-packages/click/core.py", line 697, in main rv = self.invoke(ctx) File "/usr/lib/python3/dist-packages/click/core.py", line 1043, in invoke return Command.invoke(self, ctx) File "/usr/lib/python3/dist-packages/click/core.py", line 895, in invoke return ctx.invoke(self.callback, **ctx.params) File "/usr/lib/python3/dist-packages/click/core.py", line 535, in invoke return callback(*args, **kwargs) File "/usr/lib/python3/dist-packages/click/decorators.py", line 17, in new_func return f(get_current_context(), *args, **kwargs) File "/usr/lib/python3/dist-packages/snapcraft/cli/_runner.py", line 93, in run ctx.forward(lifecyclecli.commands["snap"]) File "/usr/lib/python3/dist-packages/click/core.py", line 553, in forward return self.invoke(cmd, **kwargs) File "/usr/lib/python3/dist-packages/click/core.py", line 535, in invoke return callback(*args, **kwargs) File "/usr/lib/python3/dist-packages/snapcraft/cli/lifecycle.py", line 136, in snap project = _execute(steps.PRIME, parts=[], **kwargs) File "/usr/lib/python3/dist-packages/snapcraft/cli/lifecycle.py", line 35, in _execute lifecycle.execute(step, project_config, parts) File "/usr/lib/python3/dist-packages/snapcraft/internal/lifecycle/_runner.py", line 90, in execute executor.run(step, part_names) File "/usr/lib/python3/dist-packages/snapcraft/internal/lifecycle/_runner.py", line 196, in run self._create_meta(step, processed_part_names) File "/usr/lib/python3/dist-packages/snapcraft/internal/lifecycle/_runner.py", line 359, in _create_meta self.config.validator.schema, File "/usr/lib/python3/dist-packages/snapcraft/internal/meta/_snap_packaging.py", line 109, in create_snap_packaging packaging.write_snap_yaml() File "/usr/lib/python3/dist-packages/snapcraft/internal/meta/_snap_packaging.py", line 312, in write_snap_yaml snap_yaml = self._compose_snap_yaml() File "/usr/lib/python3/dist-packages/snapcraft/internal/meta/_snap_packaging.py", line 468, in _compose_snap_yaml snap_yaml["apps"] = self._wrap_apps(self._config_data["apps"]) File "/usr/lib/python3/dist-packages/snapcraft/internal/meta/_snap_packaging.py", line 567, in _wrap_apps self._wrap_app(app, apps[app]) File "/usr/lib/python3/dist-packages/snapcraft/internal/meta/_snap_packaging.py", line 575, in _wrap_app app[k] = self._wrap_exe(app[k], "{}-{}".format(k, name)) File "/usr/lib/python3/dist-packages/snapcraft/internal/meta/_snap_packaging.py", line 546, in _wrap_exe with open(exepath, "rb") as exefile: FileNotFoundError: [Errno 2] No such file or directory: '/home/jdog/ssh-audit/prime/ssh-audit/ssh-audit.py' We would appreciate it if you created a bug report at https://launchpad.net/snapcraft/+filebug with the above text included. FYI, the snapcraft.yaml file I used is: name: ssh-audit version: git summary: ssh-audit description: | SSH server and client security configuration auditor. base: core18 confinement: devmode parts: ssh-audit: plugin: python # python-version: python3 source: . apps: ssh-audit: command: ssh-audit/ssh-audit.py