these 2 derivations will be built:
  /nix/store/j95nfhx0w5lig90xc5iayfmmddpzky5d-flake-inputs.drv
  /nix/store/pxrli5g2jrip3ckcgpy8r10xidmjmc9b-check-flake-inputs.drv
building '/nix/store/j95nfhx0w5lig90xc5iayfmmddpzky5d-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=21&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/j95nfhx0w5lig90xc5iayfmmddpzky5d-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> elastic-arm-f49ce1c9: building j95nfhx0w5lig90xc5iayfmmddpzky5d-flake-inputs.drv
building '/nix/store/pxrli5g2jrip3ckcgpy8r10xidmjmc9b-check-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=21&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/pxrli5g2jrip3ckcgpy8r10xidmjmc9b-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> elastic-arm-f49ce1c9: building pxrli5g2jrip3ckcgpy8r10xidmjmc9b-check-flake-inputs.drv