these 2 derivations will be built:
  /nix/store/k3ifkpig2r4c45v7nik6bvmqrkc2b1qw-flake-inputs.drv
  /nix/store/cahfmxcr8ai86wx9bnx35ws0ilxg8v4y-check-flake-inputs.drv
building '/nix/store/k3ifkpig2r4c45v7nik6bvmqrkc2b1qw-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/k3ifkpig2r4c45v7nik6bvmqrkc2b1qw-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building k3ifkpig2r4c45v7nik6bvmqrkc2b1qw-flake-inputs.drv
building '/nix/store/cahfmxcr8ai86wx9bnx35ws0ilxg8v4y-check-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/cahfmxcr8ai86wx9bnx35ws0ilxg8v4y-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building cahfmxcr8ai86wx9bnx35ws0ilxg8v4y-check-flake-inputs.drv