these 2 derivations will be built:
  /nix/store/6hgjk5kbf562rcrqi05wnhyvb79par8j-flake-inputs.drv
  /nix/store/4hfn1cndxs32bqmz88wyx8yp71qhrs2l-check-flake-inputs.drv
building '/nix/store/6hgjk5kbf562rcrqi05wnhyvb79par8j-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/6hgjk5kbf562rcrqi05wnhyvb79par8j-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> elastic-arm-26b08a17: building 6hgjk5kbf562rcrqi05wnhyvb79par8j-flake-inputs.drv
building '/nix/store/4hfn1cndxs32bqmz88wyx8yp71qhrs2l-check-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/4hfn1cndxs32bqmz88wyx8yp71qhrs2l-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> elastic-arm-26b08a17: building 4hfn1cndxs32bqmz88wyx8yp71qhrs2l-check-flake-inputs.drv