these 2 derivations will be built:
  /nix/store/na2rk3r4g70cb9hdxp3c4kcp75g9n4cj-flake-inputs.drv
  /nix/store/3239hqyjqf4q756yd4siqbrxgx1l361i-check-flake-inputs.drv
building '/nix/store/na2rk3r4g70cb9hdxp3c4kcp75g9n4cj-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=22&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/na2rk3r4g70cb9hdxp3c4kcp75g9n4cj-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> elastic-arm-23d67df9: building na2rk3r4g70cb9hdxp3c4kcp75g9n4cj-flake-inputs.drv
building '/nix/store/3239hqyjqf4q756yd4siqbrxgx1l361i-check-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=20&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/3239hqyjqf4q756yd4siqbrxgx1l361i-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> elastic-arm-23d67df9: building 3239hqyjqf4q756yd4siqbrxgx1l361i-check-flake-inputs.drv