this derivation will be built:
  /nix/store/d3h580wbn29ci8p1hslj0jd3ljg1xs8a-treefmt-check.drv
building '/nix/store/d3h580wbn29ci8p1hslj0jd3ljg1xs8a-treefmt-check.drv' on 'grpc://farm.numtide.com:50051?client-cert=/run/secrets/vars/per-machine/bld1/nix-farm-ci/crt&client-key=/run/secrets/vars/per-machine/bld1/nix-farm-ci/key&connect-timeout=21&system=aarch64-darwin'
building '/nix/store/d3h580wbn29ci8p1hslj0jd3ljg1xs8a-treefmt-check.drv' on farm.numtide.com:50051
treefmt-check> mac02: building d3h580wbn29ci8p1hslj0jd3ljg1xs8a-treefmt-check.drv
treefmt-check> treefmt v2.5.0traversed 1807 files
treefmt-check> emitted 449 files for processing
treefmt-check> formatted 449 files (0 changed) in 2.07s

upload niks3: ok