see https://github.com/casperdcl/cdcl/runs/447883745#step:6:20 The output is very unhelpful; doesn't actually say what the error was. Preparing to push 'gh_0.5.5-pre.1-55-gd7181b1_amd64.snap'. After pushing, the resulting snap revision will be released to 'edge' when it passes the Snap Store review. Running the review tools before pushing this snap to the Snap Store. Sorry, an error occurred in Snapcraft: Command '['/snap/bin/review-tools.snap-review', '/home/runner/work/cdcl/cdcl/cli/gh_0.5.5-pre.1-55-gd7181b1_amd64.snap', '--json']' returned non-zero exit status 1. Traceback (most recent call last): File "/snap/snapcraft/3970/bin/snapcraft", line 11, in <module> load_entry_point('snapcraft==3.9.1', 'console_scripts', 'snapcraft')() File "/snap/snapcraft/3970/lib/python3.6/site-packages/click/core.py", line 764, in __call__ return self.main(*args, **kwargs) File "/snap/snapcraft/3970/lib/python3.6/site-packages/click/core.py", line 717, in main rv = self.invoke(ctx) File "/snap/snapcraft/3970/lib/python3.6/site-packages/click/core.py", line 1137, in invoke return _process_result(sub_ctx.command.invoke(sub_ctx)) File "/snap/snapcraft/3970/lib/python3.6/site-packages/click/core.py", line 956, in invoke return ctx.invoke(self.callback, **ctx.params) File "/snap/snapcraft/3970/lib/python3.6/site-packages/click/core.py", line 555, in invoke return callback(*args, **kwargs) File "/snap/snapcraft/3970/lib/python3.6/site-packages/snapcraft/cli/store.py", line 176, in push review_snap(snap_file=snap_file) File "/snap/snapcraft/3970/lib/python3.6/site-packages/snapcraft/cli/_review.py", line 33, in review_snap review_tools.run(snap_filename=snap_file) File "/snap/snapcraft/3970/lib/python3.6/site-packages/snapcraft/internal/review_tools/_runner.py", line 38, in run subprocess.check_output(command, stderr=subprocess.STDOUT, env=env) File "/snap/snapcraft/3970/usr/lib/python3.6/subprocess.py", line 356, in check_output **kwargs).stdout File "/snap/snapcraft/3970/usr/lib/python3.6/subprocess.py", line 438, in run output=stdout, stderr=stderr) subprocess.CalledProcessError: Command '['/snap/bin/review-tools.snap-review', '/home/runner/work/cdcl/cdcl/cli/gh_0.5.5-pre.1-55-gd7181b1_amd64.snap', '--json']' returned non-zero exit status 1. You can find the traceback in file '/tmp/tmpwvm3sl16/trace.txt'. ##[error]Process completed with exit code 1.