these 4 derivations will be built:
  /nix/store/j2hdkhjyvv9ra931lps09qmjcmz3015c-nix-with-grpc-store-2.35.2.drv
  /nix/store/ndxahxjzr8ygvsfmr5nw2f32aa3k4fhd-nix-fast-build-with-grpc-store-2.0.4.drv
  /nix/store/9jsihkw7s36qwvs150l47g310kzklpkj-nix-grpc-store-nix-tools.drv
  /nix/store/g022d0sfb3zqnl01rm1ry5h7a9n2c167-nix-tools-with-plugin-check.drv
building '/nix/store/ndxahxjzr8ygvsfmr5nw2f32aa3k4fhd-nix-fast-build-with-grpc-store-2.0.4.drv' on 'ssh-ng://customer@mac02'
building '/nix/store/j2hdkhjyvv9ra931lps09qmjcmz3015c-nix-with-grpc-store-2.35.2.drv' on 'ssh-ng://customer@mac02'
building '/nix/store/ndxahxjzr8ygvsfmr5nw2f32aa3k4fhd-nix-fast-build-with-grpc-store-2.0.4.drv'
building '/nix/store/j2hdkhjyvv9ra931lps09qmjcmz3015c-nix-with-grpc-store-2.35.2.drv'
building '/nix/store/9jsihkw7s36qwvs150l47g310kzklpkj-nix-grpc-store-nix-tools.drv' on 'ssh-ng://customer@mac02'
building '/nix/store/9jsihkw7s36qwvs150l47g310kzklpkj-nix-grpc-store-nix-tools.drv'
building '/nix/store/g022d0sfb3zqnl01rm1ry5h7a9n2c167-nix-tools-with-plugin-check.drv' on 'ssh-ng://customer@mac02'