these 2 derivations will be built:
  /nix/store/1xf6hr528s9hif5b6gmkz39ynbcy319p-flake-inputs.drv
  /nix/store/080wbndlkdvrqf1a5k1bjj9w0i0myp0p-check-flake-inputs.drv
building '/nix/store/1xf6hr528s9hif5b6gmkz39ynbcy319p-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/1xf6hr528s9hif5b6gmkz39ynbcy319p-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> elastic-arm-9a50e053: building 1xf6hr528s9hif5b6gmkz39ynbcy319p-flake-inputs.drv
building '/nix/store/080wbndlkdvrqf1a5k1bjj9w0i0myp0p-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/080wbndlkdvrqf1a5k1bjj9w0i0myp0p-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> elastic-arm-9a50e053: building 080wbndlkdvrqf1a5k1bjj9w0i0myp0p-check-flake-inputs.drv