these 3 derivations will be built:
  /nix/store/wmg95kbym4q4cl6n25cn0r6ljqzadvkh-treefmt.toml.drv
  /nix/store/wgjs9ljz29b7q2r56mw2inb1hi3ciq9h-treefmt.drv
  /nix/store/6d4frnccnfkigmx6sspdbnhwsi0xnjma-inputDerivation-treefmt-check.drv
building '/nix/store/wmg95kbym4q4cl6n25cn0r6ljqzadvkh-treefmt.toml.drv' on 'ssh-ng://customer@mac02'
building '/nix/store/wmg95kbym4q4cl6n25cn0r6ljqzadvkh-treefmt.toml.drv'
treefmt.toml> structuredAttrs is enabled
building '/nix/store/wgjs9ljz29b7q2r56mw2inb1hi3ciq9h-treefmt.drv' on 'ssh-ng://customer@mac02'
building '/nix/store/wgjs9ljz29b7q2r56mw2inb1hi3ciq9h-treefmt.drv'
building '/nix/store/6d4frnccnfkigmx6sspdbnhwsi0xnjma-inputDerivation-treefmt-check.drv' on 'ssh-ng://customer@mac02'
building '/nix/store/6d4frnccnfkigmx6sspdbnhwsi0xnjma-inputDerivation-treefmt-check.drv'

post-build step Upload coverage to codecov: ok
Skipping codecov: project=Mic92/nix-fast-build attr=checks.aarch64-darwin.closure-treefmt