this derivation will be built:
  /nix/store/x2hyr6xvhqpank1p0f6s8sswbkyfqxp6-treefmt-check.drv
building '/nix/store/x2hyr6xvhqpank1p0f6s8sswbkyfqxp6-treefmt-check.drv' on 'ssh-ng://nix@cortana'
building '/nix/store/x2hyr6xvhqpank1p0f6s8sswbkyfqxp6-treefmt-check.drv'
treefmt-check> treefmt v2.5.0traversed 71 files
treefmt-check> emitted 65 files for processing
treefmt-check> formatted 65 files (0 changed) in 214ms

upload attic: ok
✍️ Overwriting server "r2d2"