this derivation will be built:
  /nix/store/yvxa61y6g7m1pr890nk0mra6ij4fnv2v-treefmt-check.drv
building '/nix/store/yvxa61y6g7m1pr890nk0mra6ij4fnv2v-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=22&system=aarch64-linux'
building '/nix/store/yvxa61y6g7m1pr890nk0mra6ij4fnv2v-treefmt-check.drv' on farm.numtide.com:50051
treefmt-check> elastic-arm-11e60d15: building yvxa61y6g7m1pr890nk0mra6ij4fnv2v-treefmt-check.drv
treefmt-check> treefmt v2.5.0traversed 1969 files
treefmt-check> emitted 478 files for processing
treefmt-check> formatted 478 files (0 changed) in 6.848s

upload niks3: ok