these 2 derivations will be built:
  /nix/store/czx06ql8krlvpq1finlzak275is568k9-flake-inputs.drv
  /nix/store/vqfw8ik2jhr9gi8xvqd5bpz6d9l27db4-check-flake-inputs.drv
building '/nix/store/czx06ql8krlvpq1finlzak275is568k9-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/czx06ql8krlvpq1finlzak275is568k9-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> elastic-arm-9a50e053: building czx06ql8krlvpq1finlzak275is568k9-flake-inputs.drv
building '/nix/store/vqfw8ik2jhr9gi8xvqd5bpz6d9l27db4-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/vqfw8ik2jhr9gi8xvqd5bpz6d9l27db4-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> elastic-arm-9a50e053: building vqfw8ik2jhr9gi8xvqd5bpz6d9l27db4-check-flake-inputs.drv