these 2 derivations will be built:
  /nix/store/dr4scds0sqkw9zcg40k1brawknrn7d4g-flake-inputs.drv
  /nix/store/cyrgxikrhk6g7vr77q8gxyh1kpamwc45-check-flake-inputs.drv
building '/nix/store/dr4scds0sqkw9zcg40k1brawknrn7d4g-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/dr4scds0sqkw9zcg40k1brawknrn7d4g-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> elastic-arm-70d62f00: building dr4scds0sqkw9zcg40k1brawknrn7d4g-flake-inputs.drv
building '/nix/store/cyrgxikrhk6g7vr77q8gxyh1kpamwc45-check-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/cyrgxikrhk6g7vr77q8gxyh1kpamwc45-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> elastic-arm-2c14001d: building cyrgxikrhk6g7vr77q8gxyh1kpamwc45-check-flake-inputs.drv