these 2 derivations will be built:
  /nix/store/6b3mjg2ri9simqyx2ilx0k8znri16i29-flake-inputs.drv
  /nix/store/3njc60an5h4xhwwsclypld9gblljmx4x-check-flake-inputs.drv
building '/nix/store/6b3mjg2ri9simqyx2ilx0k8znri16i29-flake-inputs.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/6b3mjg2ri9simqyx2ilx0k8znri16i29-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> elastic-arm-04535f05: building 6b3mjg2ri9simqyx2ilx0k8znri16i29-flake-inputs.drv
building '/nix/store/3njc60an5h4xhwwsclypld9gblljmx4x-check-flake-inputs.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-linux'
building '/nix/store/3njc60an5h4xhwwsclypld9gblljmx4x-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> elastic-arm-04535f05: building 3njc60an5h4xhwwsclypld9gblljmx4x-check-flake-inputs.drv