these 2 derivations will be built:
  /nix/store/88a7z9lz65a0y1sypsj4mv1hbkzna55x-flake-inputs.drv
  /nix/store/0swhgf5mcw0dppxbmvqhqr7q5jiaj724-check-flake-inputs.drv
building '/nix/store/88a7z9lz65a0y1sypsj4mv1hbkzna55x-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=23&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/88a7z9lz65a0y1sypsj4mv1hbkzna55x-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building 88a7z9lz65a0y1sypsj4mv1hbkzna55x-flake-inputs.drv
building '/nix/store/0swhgf5mcw0dppxbmvqhqr7q5jiaj724-check-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=23&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/0swhgf5mcw0dppxbmvqhqr7q5jiaj724-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building 0swhgf5mcw0dppxbmvqhqr7q5jiaj724-check-flake-inputs.drv