this derivation will be built:
  /nix/store/f60dzqr8qwcfl8h67y32vmqr34z5zzvs-check-cpa-usage-keeper.drv
building '/nix/store/f60dzqr8qwcfl8h67y32vmqr34z5zzvs-check-cpa-usage-keeper.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=23&system=aarch64-linux'
building '/nix/store/f60dzqr8qwcfl8h67y32vmqr34z5zzvs-check-cpa-usage-keeper.drv' on farm.numtide.com:50051
check-cpa-usage-keeper> bld4: building f60dzqr8qwcfl8h67y32vmqr34z5zzvs-check-cpa-usage-keeper.drv

upload niks3: ok