these 2 derivations will be built:
  /nix/store/50k4bzzjw9380qyi6mz3agssqs80d4c2-flake-inputs.drv
  /nix/store/zwsbkhymn4kwrgqm1aryh2d0870mgrb9-check-flake-inputs.drv
building '/nix/store/50k4bzzjw9380qyi6mz3agssqs80d4c2-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/50k4bzzjw9380qyi6mz3agssqs80d4c2-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> elastic-arm-9a50e053: building 50k4bzzjw9380qyi6mz3agssqs80d4c2-flake-inputs.drv
building '/nix/store/zwsbkhymn4kwrgqm1aryh2d0870mgrb9-check-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=23&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/zwsbkhymn4kwrgqm1aryh2d0870mgrb9-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> elastic-arm-9a50e053: building zwsbkhymn4kwrgqm1aryh2d0870mgrb9-check-flake-inputs.drv