these 2 derivations will be built:
  /nix/store/nyig7kra1f2gszhr16xfffq1n0nwjjqj-flake-inputs.drv
  /nix/store/hl4z3f9xlswh0dq4b4zhfx83hhzh4n84-check-flake-inputs.drv
building '/nix/store/nyig7kra1f2gszhr16xfffq1n0nwjjqj-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/nyig7kra1f2gszhr16xfffq1n0nwjjqj-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> elastic-arm-9a50e053: building nyig7kra1f2gszhr16xfffq1n0nwjjqj-flake-inputs.drv
building '/nix/store/hl4z3f9xlswh0dq4b4zhfx83hhzh4n84-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/hl4z3f9xlswh0dq4b4zhfx83hhzh4n84-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> elastic-arm-3e34f16b: building hl4z3f9xlswh0dq4b4zhfx83hhzh4n84-check-flake-inputs.drv