these 2 derivations will be built:
  /nix/store/vl21hf4vqn57b9g9r5ysflvmx56x58rk-flake-inputs.drv
  /nix/store/06fj00c38h1nv26mjq9gw8aww23qh9kn-check-flake-inputs.drv
building '/nix/store/vl21hf4vqn57b9g9r5ysflvmx56x58rk-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=20&restart-grace=900&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/vl21hf4vqn57b9g9r5ysflvmx56x58rk-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building vl21hf4vqn57b9g9r5ysflvmx56x58rk-flake-inputs.drv
building '/nix/store/06fj00c38h1nv26mjq9gw8aww23qh9kn-check-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=20&restart-grace=900&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/06fj00c38h1nv26mjq9gw8aww23qh9kn-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building 06fj00c38h1nv26mjq9gw8aww23qh9kn-check-flake-inputs.drv