these 2 derivations will be built:
  /nix/store/0lnp999ar5ladiraa40x0kwxvdsliz52-flake-inputs.drv
  /nix/store/0m1z6i2ns0f98k75j5ihw9n340wnfndh-check-flake-inputs.drv
building '/nix/store/0lnp999ar5ladiraa40x0kwxvdsliz52-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=22&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/0lnp999ar5ladiraa40x0kwxvdsliz52-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building 0lnp999ar5ladiraa40x0kwxvdsliz52-flake-inputs.drv
building '/nix/store/0m1z6i2ns0f98k75j5ihw9n340wnfndh-check-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=22&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/0m1z6i2ns0f98k75j5ihw9n340wnfndh-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building 0m1z6i2ns0f98k75j5ihw9n340wnfndh-check-flake-inputs.drv