these 2 derivations will be built:
  /nix/store/4vshq6irssyfflzxx4zl3g45rvl0pg0x-flake-inputs.drv
  /nix/store/ydxb3mr8s42qr2z8iagvmpgw2yxpwk7m-check-flake-inputs.drv
building '/nix/store/4vshq6irssyfflzxx4zl3g45rvl0pg0x-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=20&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/4vshq6irssyfflzxx4zl3g45rvl0pg0x-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> elastic-arm-9a50e053: building 4vshq6irssyfflzxx4zl3g45rvl0pg0x-flake-inputs.drv
building '/nix/store/ydxb3mr8s42qr2z8iagvmpgw2yxpwk7m-check-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=20&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/ydxb3mr8s42qr2z8iagvmpgw2yxpwk7m-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> elastic-arm-9a50e053: building ydxb3mr8s42qr2z8iagvmpgw2yxpwk7m-check-flake-inputs.drv