these 2 derivations will be built:
  /nix/store/0r1vs1h6ryfi0fsp5bivb5qxv3jqngci-claudebox.drv
  /nix/store/26kqgg0g51gpfyjgdnz23hwvxc4hgsx1-check-claudebox.drv
building '/nix/store/0r1vs1h6ryfi0fsp5bivb5qxv3jqngci-claudebox.drv' on 'grpc://farm.numtide.com:50051?client-cert=/run/secrets/vars/per-machine/bld1/nix-farm-ci/crt&client-key=/run/secrets/vars/per-machine/bld1/nix-farm-ci/key&connect-timeout=23&system=aarch64-linux'
building '/nix/store/0r1vs1h6ryfi0fsp5bivb5qxv3jqngci-claudebox.drv' on farm.numtide.com:50051
claudebox> elastic-arm-02023afc: building 0r1vs1h6ryfi0fsp5bivb5qxv3jqngci-claudebox.drv
building '/nix/store/26kqgg0g51gpfyjgdnz23hwvxc4hgsx1-check-claudebox.drv' on 'grpc://farm.numtide.com:50051?client-cert=/run/secrets/vars/per-machine/bld1/nix-farm-ci/crt&client-key=/run/secrets/vars/per-machine/bld1/nix-farm-ci/key&connect-timeout=23&system=aarch64-linux'
building '/nix/store/26kqgg0g51gpfyjgdnz23hwvxc4hgsx1-check-claudebox.drv' on farm.numtide.com:50051
check-claudebox> elastic-arm-02023afc: building 26kqgg0g51gpfyjgdnz23hwvxc4hgsx1-check-claudebox.drv