these 2 derivations will be built:
  /nix/store/jvk6iil2blqxcsvkl7an1vdp4g8si94m-flake-inputs.drv
  /nix/store/0ycbynqdlp3dm0z1ag6d1fv9kb3rbv3g-check-flake-inputs.drv
building '/nix/store/jvk6iil2blqxcsvkl7an1vdp4g8si94m-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=23&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/jvk6iil2blqxcsvkl7an1vdp4g8si94m-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> elastic-arm-2c14001d: building jvk6iil2blqxcsvkl7an1vdp4g8si94m-flake-inputs.drv
building '/nix/store/0ycbynqdlp3dm0z1ag6d1fv9kb3rbv3g-check-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=23&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/0ycbynqdlp3dm0z1ag6d1fv9kb3rbv3g-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> elastic-arm-2c14001d: building 0ycbynqdlp3dm0z1ag6d1fv9kb3rbv3g-check-flake-inputs.drv