this derivation will be built: /nix/store/2bm456m6qm3j848jwaym9p9q1ghggia5-treefmt-check.drv building '/nix/store/2bm456m6qm3j848jwaym9p9q1ghggia5-treefmt-check.drv' on 'ssh-ng://nix@superintendent' building '/nix/store/2bm456m6qm3j848jwaym9p9q1ghggia5-treefmt-check.drv' treefmt-check> treefmt v2.6.0traversed 63 files treefmt-check> emitted 53 files for processing treefmt-check> formatted 53 files (0 changed) in 84ms upload attic: ok ✍️ Overwriting server "r2d2"