these 2 derivations will be built:
  /nix/store/cnq43vf3mlr7vlff9ay283i6a2qa1mfl-flake-inputs.drv
  /nix/store/la32dl9sklwx1y8dmc4gr2xdq29rgh2k-check-flake-inputs.drv
building '/nix/store/cnq43vf3mlr7vlff9ay283i6a2qa1mfl-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=21&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/cnq43vf3mlr7vlff9ay283i6a2qa1mfl-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building cnq43vf3mlr7vlff9ay283i6a2qa1mfl-flake-inputs.drv
building '/nix/store/la32dl9sklwx1y8dmc4gr2xdq29rgh2k-check-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=21&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/la32dl9sklwx1y8dmc4gr2xdq29rgh2k-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building la32dl9sklwx1y8dmc4gr2xdq29rgh2k-check-flake-inputs.drv