these 2 derivations will be built:
  /nix/store/cc5lrpa19nca1ry8rjwrb4d1q7za5kdf-nix-2.36.0pre20260827_e9bc07a.drv
  /nix/store/c8p7i7x3bjbrflzd6wslis6bvpm7wgff-filetransfer-retry-backoff.drv
building '/nix/store/c8p7i7x3bjbrflzd6wslis6bvpm7wgff-filetransfer-retry-backoff.drv' on 'ssh-ng://customer@mac02'
building '/nix/store/c8p7i7x3bjbrflzd6wslis6bvpm7wgff-filetransfer-retry-backoff.drv'
filetransfer-retry-backoff> Flaky server on port 65037

post-build step Upload coverage to codecov: ok
Skipping codecov: project=Mic92/nix-1 attr=checks.aarch64-darwin.filetransfer-retry-backoff