this derivation will be built:
  /nix/store/r2pdqsp0pqb7j02y7fix7pajpnlczn3p-treefmt-check.drv
building '/nix/store/r2pdqsp0pqb7j02y7fix7pajpnlczn3p-treefmt-check.drv'
treefmt-check> tribuchet: building on psi
treefmt-check> treefmt v2.6.0traversed 706 files
treefmt-check> emitted 668 files for processing
treefmt-check> formatted 668 files (0 changed) in 1.088s

upload niks3: ok