these 13 derivations will be built:
  /nix/store/mxlfskdr2dm5lw8mn7lh2xmlazglwb5a-postgresql-migrate.drv
  /nix/store/f6vagxdhbbigcwfa89m75yl1dm3zj5yx-unit-postgresql-migrate.service.drv
  /nix/store/fg1fqah4w3jk13kdlkfml9xymbi9qza4-unit-postgresql.service.drv
  /nix/store/kbi42kvgf43mi416lcr01q21j4b0axjy-system-units.drv
  /nix/store/d1nldka3vjsy6h0k841whchxj9ijyjim-etc.drv
  /nix/store/6n8a574ghaax56i1w27gpd2d1i5zgm4g-activate.drv
  /nix/store/835hffzp2szy3x4ca859vp8nikhvym48-nixos-system-server-test.drv
  /nix/store/6fqqmrlll2fvj95kmx5xqcambvmf32bf-nixos-system-server-test.drv
  /nix/store/3p262dy2c1z0g9yg5sncc58jryngpig2-closure-info.drv
  /nix/store/pg12p3hxdagf22ba1hk63m4gpwp7xvsf-run-nixos-vm.drv
  /nix/store/llxh7g2zi01xrkh2vs071s05pwx0saji-nixos-vm.drv
  /nix/store/npmk3kbvpzvxs7jvs6931iqh9dzjn671-nixos-test-driver-amcheck-upgrade.drv
  /nix/store/b1zabza2fi0v9wl784lpjjz0pjngll4l-vm-test-run-amcheck-upgrade.drv
building '/nix/store/fg1fqah4w3jk13kdlkfml9xymbi9qza4-unit-postgresql.service.drv' on 'ssh-ng://nixbot-remote-build@78.232.36.247'
building '/nix/store/mxlfskdr2dm5lw8mn7lh2xmlazglwb5a-postgresql-migrate.drv' on 'ssh-ng://nixbot-remote-build@78.232.36.247'
building '/nix/store/fg1fqah4w3jk13kdlkfml9xymbi9qza4-unit-postgresql.service.drv'
building '/nix/store/mxlfskdr2dm5lw8mn7lh2xmlazglwb5a-postgresql-migrate.drv'
building '/nix/store/f6vagxdhbbigcwfa89m75yl1dm3zj5yx-unit-postgresql-migrate.service.drv' on 'ssh-ng://nixbot-remote-build@78.232.36.247'
building '/nix/store/f6vagxdhbbigcwfa89m75yl1dm3zj5yx-unit-postgresql-migrate.service.drv'
building '/nix/store/kbi42kvgf43mi416lcr01q21j4b0axjy-system-units.drv' on 'ssh-ng://nixbot-remote-build@78.232.36.247'
building '/nix/store/kbi42kvgf43mi416lcr01q21j4b0axjy-system-units.drv'
building '/nix/store/d1nldka3vjsy6h0k841whchxj9ijyjim-etc.drv' on 'ssh-ng://nixbot-remote-build@78.232.36.247'
building '/nix/store/d1nldka3vjsy6h0k841whchxj9ijyjim-etc.drv'
building '/nix/store/6n8a574ghaax56i1w27gpd2d1i5zgm4g-activate.drv' on 'ssh-ng://nixbot-remote-build@78.232.36.247'
building '/nix/store/835hffzp2szy3x4ca859vp8nikhvym48-nixos-system-server-test.drv' on 'ssh-ng://nixbot-remote-build@78.232.36.247'
building '/nix/store/835hffzp2szy3x4ca859vp8nikhvym48-nixos-system-server-test.drv'
building '/nix/store/6fqqmrlll2fvj95kmx5xqcambvmf32bf-nixos-system-server-test.drv' on 'ssh-ng://nixbot-remote-build@78.232.36.247'
building '/nix/store/6fqqmrlll2fvj95kmx5xqcambvmf32bf-nixos-system-server-test.drv'
building '/nix/store/3p262dy2c1z0g9yg5sncc58jryngpig2-closure-info.drv' on 'ssh-ng://nixbot-remote-build@78.232.36.247'
building '/nix/store/pg12p3hxdagf22ba1hk63m4gpwp7xvsf-run-nixos-vm.drv' on 'ssh-ng://nixbot-remote-build@78.232.36.247'
building '/nix/store/pg12p3hxdagf22ba1hk63m4gpwp7xvsf-run-nixos-vm.drv'
building '/nix/store/llxh7g2zi01xrkh2vs071s05pwx0saji-nixos-vm.drv' on 'ssh-ng://nixbot-remote-build@78.232.36.247'
building '/nix/store/npmk3kbvpzvxs7jvs6931iqh9dzjn671-nixos-test-driver-amcheck-upgrade.drv' on 'ssh-ng://nixbot-remote-build@78.232.36.247'