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Hi @fancy-scientist-81076. I’ve not seen this before. Can you try the example that doesn’t use the cache? https://github.com/infracost/actions/tree/master/examples/terraform-project

Hi Alistair, thanks for responding. I tried running the example without the cache and ran into the same problem

Hmm… are there any more logs or information if you run it in debug mode? Also, is this the only job that runs in the workflow?

When I run it in debug mode I see normal logs and no error message

How big is your repo? The action works by checking out the base branch and then the PR branch, so maybe there’s something we could do to clean up between those check outs.

The repo is huge, ~60 environments, maybe more

do you know how many GB?

Not sure about that but the debug log file that I got is over 500mb and the action ran for ~50 mins before erroring out

and the action ran for ~50 mins before erroring out

was this the same error as above?

Yea same

On this step? “Generate Infracost cost estimate baseline”

Yes

Okay, do you use a lot of remote modules?

Yes we do

Okay, it might be when we download them then it runs out of space. Looks like GitHub Actions gives you 14 GB of space, so I’m surprised that’s running out. One idea for a workaround is to use a matrix build to run it for different subdirectories, and then combine the results and post a single comment. I can have a look at working out an example for that.

Ah ok I see what you mean, thank you so much for the help, really appreciate it!

Hi @fancy-scientist-81076 my best guess is it’s taking the time downloading external modules, but 30 mins sounds like a long time. I’d be happy to pair with you on Zoom to help debug. You can schedule something with me here to suit you if that helps: https://calendly.com/aiscott.