these 2 derivations will be built:
  /nix/store/vrs93i3yczamjym3d76qyg03z0g3m7i5-flake-inputs.drv
  /nix/store/hxriwi3x99g1cdd5g0mk3vx2psmcz4xl-check-flake-inputs.drv
building '/nix/store/vrs93i3yczamjym3d76qyg03z0g3m7i5-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/vrs93i3yczamjym3d76qyg03z0g3m7i5-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> elastic-arm-dd5b305f: building vrs93i3yczamjym3d76qyg03z0g3m7i5-flake-inputs.drv
building '/nix/store/hxriwi3x99g1cdd5g0mk3vx2psmcz4xl-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/hxriwi3x99g1cdd5g0mk3vx2psmcz4xl-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> elastic-arm-dd5b305f: building hxriwi3x99g1cdd5g0mk3vx2psmcz4xl-check-flake-inputs.drv