these 2 derivations will be built:
  /nix/store/f10v1y2hprfbvi8f2x1x683y4kx617ac-flake-inputs.drv
  /nix/store/daa2zvn6apbg92yyd3qvmkjw0ppjfs70-check-flake-inputs.drv
building '/nix/store/f10v1y2hprfbvi8f2x1x683y4kx617ac-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/f10v1y2hprfbvi8f2x1x683y4kx617ac-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building f10v1y2hprfbvi8f2x1x683y4kx617ac-flake-inputs.drv
building '/nix/store/daa2zvn6apbg92yyd3qvmkjw0ppjfs70-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/daa2zvn6apbg92yyd3qvmkjw0ppjfs70-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building daa2zvn6apbg92yyd3qvmkjw0ppjfs70-check-flake-inputs.drv