this derivation will be built:
  /nix/store/v22ydna230fv3bmf99nvv23n2wdw7v7a-treefmt-check.drv
building '/nix/store/v22ydna230fv3bmf99nvv23n2wdw7v7a-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=20&system=aarch64-linux'
building '/nix/store/v22ydna230fv3bmf99nvv23n2wdw7v7a-treefmt-check.drv' on farm.numtide.com:50051
treefmt-check> elastic-arm-f84a0d59: building v22ydna230fv3bmf99nvv23n2wdw7v7a-treefmt-check.drv
treefmt-check> traversed 532 files
treefmt-check> emitted 363 files for processing
treefmt-check> formatted 363 files (0 changed) in 15.201s
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy

upload niks3: ok