these 2 derivations will be built:
  /nix/store/k8d9g6n0s0jp54by0sjbpzjji0k2qh4r-flake-inputs.drv
  /nix/store/53pycgl9nav72vb3im4r2s9v03akz7kf-check-flake-inputs.drv
building '/nix/store/k8d9g6n0s0jp54by0sjbpzjji0k2qh4r-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/k8d9g6n0s0jp54by0sjbpzjji0k2qh4r-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> elastic-arm-23d67df9: building k8d9g6n0s0jp54by0sjbpzjji0k2qh4r-flake-inputs.drv
building '/nix/store/53pycgl9nav72vb3im4r2s9v03akz7kf-check-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=21&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/53pycgl9nav72vb3im4r2s9v03akz7kf-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> elastic-arm-263f833f: building 53pycgl9nav72vb3im4r2s9v03akz7kf-check-flake-inputs.drv