these 3 derivations will be built:
  /nix/store/r2xcisiwvhwnklc6ajz6nv5vfya1vnm3-treefmt.toml.drv
  /nix/store/xdvwdc84nxnafalambwpcxwr5k54jss1-treefmt.drv
  /nix/store/wvbd9dgasfn9s39b3cmbz5pk7fc3xq86-treefmt-check.drv
building '/nix/store/r2xcisiwvhwnklc6ajz6nv5vfya1vnm3-treefmt.toml.drv' on 'ssh-ng://nix@cortana'
building '/nix/store/r2xcisiwvhwnklc6ajz6nv5vfya1vnm3-treefmt.toml.drv'
treefmt.toml> structuredAttrs is enabled
building '/nix/store/xdvwdc84nxnafalambwpcxwr5k54jss1-treefmt.drv' on 'ssh-ng://nix@cortana'
building '/nix/store/xdvwdc84nxnafalambwpcxwr5k54jss1-treefmt.drv'
treefmt> structuredAttrs is enabled
building '/nix/store/wvbd9dgasfn9s39b3cmbz5pk7fc3xq86-treefmt-check.drv' on 'ssh-ng://nix@cortana'
building '/nix/store/wvbd9dgasfn9s39b3cmbz5pk7fc3xq86-treefmt-check.drv'
treefmt-check> treefmt v2.6.0traversed 64 files
treefmt-check> emitted 54 files for processing
treefmt-check> formatted 54 files (0 changed) in 584ms

upload attic: ok
✍️ Overwriting server "r2d2"