these 2 derivations will be built:
  /nix/store/64908jnm558k8v0xlsj1gkh9f1pqc4lq-flake-inputs.drv
  /nix/store/ciflm4538a3rfb81hs53yf62ln5vlb06-check-flake-inputs.drv
building '/nix/store/64908jnm558k8v0xlsj1gkh9f1pqc4lq-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=22&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/64908jnm558k8v0xlsj1gkh9f1pqc4lq-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building 64908jnm558k8v0xlsj1gkh9f1pqc4lq-flake-inputs.drv
building '/nix/store/ciflm4538a3rfb81hs53yf62ln5vlb06-check-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=22&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/ciflm4538a3rfb81hs53yf62ln5vlb06-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building ciflm4538a3rfb81hs53yf62ln5vlb06-check-flake-inputs.drv