these 2 derivations will be built:
  /nix/store/pzmp3v36xkcvzr4zmphz2m6vyc31rayb-flake-inputs.drv
  /nix/store/x53qx6dk5p2g2brssqsp1mmk86rm1z6w-check-flake-inputs.drv
building '/nix/store/pzmp3v36xkcvzr4zmphz2m6vyc31rayb-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=21&restart-grace=900&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/pzmp3v36xkcvzr4zmphz2m6vyc31rayb-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building pzmp3v36xkcvzr4zmphz2m6vyc31rayb-flake-inputs.drv
building '/nix/store/x53qx6dk5p2g2brssqsp1mmk86rm1z6w-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/x53qx6dk5p2g2brssqsp1mmk86rm1z6w-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building x53qx6dk5p2g2brssqsp1mmk86rm1z6w-check-flake-inputs.drv