these 2 derivations will be built:
  /nix/store/vvd67l4a11c9r1yldzbz0zd91kn02ql5-flake-inputs.drv
  /nix/store/9qpy90mwds5fm2zld0gv9x50kp3la0m1-check-flake-inputs.drv
building '/nix/store/vvd67l4a11c9r1yldzbz0zd91kn02ql5-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=20&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/vvd67l4a11c9r1yldzbz0zd91kn02ql5-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building vvd67l4a11c9r1yldzbz0zd91kn02ql5-flake-inputs.drv
building '/nix/store/9qpy90mwds5fm2zld0gv9x50kp3la0m1-check-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=20&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/9qpy90mwds5fm2zld0gv9x50kp3la0m1-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building 9qpy90mwds5fm2zld0gv9x50kp3la0m1-check-flake-inputs.drv