these 2 derivations will be built:
  /nix/store/r7sbw693s8wk0qrp64frmrid5zr079g3-flake-inputs.drv
  /nix/store/rnmap5mvlq6npr3z4b41cj4zfi8irsd1-check-flake-inputs.drv
building '/nix/store/r7sbw693s8wk0qrp64frmrid5zr079g3-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/r7sbw693s8wk0qrp64frmrid5zr079g3-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> elastic-arm-9a50e053: building r7sbw693s8wk0qrp64frmrid5zr079g3-flake-inputs.drv
building '/nix/store/rnmap5mvlq6npr3z4b41cj4zfi8irsd1-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/rnmap5mvlq6npr3z4b41cj4zfi8irsd1-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> elastic-arm-9a50e053: building rnmap5mvlq6npr3z4b41cj4zfi8irsd1-check-flake-inputs.drv