these 48 derivations will be built:
  /nix/store/055ww2321jzijag4x33xcgq4dnvzvsam-app-secret.key.drv
  /nix/store/0x7yj2wih7vpa2rckhrl3wzs79k39wyh-python3.14-twisted-26.4.0.drv
  /nix/store/nd81xk6p40z0nxgdph3sgw15nyrbi41h-system-path.drv
  /nix/store/n8dkijqh9ks5sc468bm40c2miwq17aka-dbus-1.drv
  /nix/store/ib6qkacmjmh0wi7hw31n9f7qz5i4v7bm-X-Restart-Triggers-dbus-broker.drv
  /nix/store/i9d15rbr50018n1zjcf0y6vrza11zkrr-unit-dbus-broker.service.drv
  /nix/store/8ighjzfbfh5d5mp949pfrrv5iml5wk8c-user-units.drv
  /nix/store/mgw2psxbimk3rrvga5233zhvr2qqxliq-nixos-tmpfiles.d.drv
  /nix/store/abvk9w6i4gfx1ii8jaq1c1zhqsj76q1w-tmpfiles.d.drv
  /nix/store/bna8sigb1a6wmv9sga4byqprhkhsi4sy-nginx.conf.drv
  /nix/store/1adkqi68q3l6rs5rj0978h46dvaapa37-unit-postgresql-setup.service.drv
  /nix/store/i0cy82fnngzjj5nrxbxj204bfzx3gqpm-X-Restart-Triggers-systemd-tmpfiles-resetup.drv
  /nix/store/53ki6rq1i9qb9k9lx2fvngjnj02q2z3p-unit-systemd-tmpfiles-resetup.service.drv
  /nix/store/yni9z59mygkllwcyymi9qzj8faznf3na-python3.14-treq-25.5.0.drv
  /nix/store/6mlh84cbplhvc974czi8zimir54k55ki-buildbot-4.3.0.drv
  /nix/store/wakadsvvc31a0azj3qkh86ybg0ll4d5x-buildbot-nix-config.json.drv
  /nix/store/g55dj3j8c43lnw7kc87pbvd2dgwlgr2z-master.cfg.drv
  /nix/store/hi0jpliwn1ngp0xhg6z1l7isnsgpqh1m-buildbot-master.tac.drv
  /nix/store/5951q1pwflcwdqvxz75wzwc0xjdx3hs1-unit-script-buildbot-master-pre-start.drv
  /nix/store/71xy60qx4mg4lpvzfy0nxjx9d1q7wqk3-cachixAuthToken.drv
  /nix/store/8d5rsvr3agvavhdc9k8szamyrc3dj0hq-python3.14-buildbot-gitea-1.8.0.drv
  /nix/store/93zv3khbpxz7zc521pjjn6ysdnlbyk0k-webhookSecret.drv
  /nix/store/ddhpbby92rvgdgqqj4ck00bhrjbzz1mb-buildbot-effects.drv
  /nix/store/h362nics0cakjf6frh06wjzr9xdnfvl4-python3.14-buildbot_worker-4.3.0.drv
  /nix/store/hv3blq274j4lz5rr71d7725cxz6cbx9p-oauthSecret.drv
  /nix/store/q0150lq29jwqhji004xpp3mwwgvi973w-python3.14-buildbot-nix.drv
  /nix/store/w8a02521sqd2d6ivbv5rksg8qvinn7lw-buildbot-4.3.0.drv
  /nix/store/mbv00q4kdrryg7mmdahis17kwrfj4nx5-python3-3.14.7-env.drv
  /nix/store/yb8vkdcz1sjakprv1xwx0lmxvhk04n30-workers.json.drv
  /nix/store/bp0g1pr3x0g37hd4h8xqk9443svn194v-unit-buildbot-master.service.drv
  /nix/store/34cfijm50kpm79fkhih0lf43gwpnajzg-unit-script-nginx-pre-start.drv
  /nix/store/kc1665myq7pddmwhckshi1rrnz627cgk-unit-nginx.service.drv
  /nix/store/ma9z8d9ghb6sqx8lgfcqn45h4053gjrk-unit-postgresql.service.drv
  /nix/store/vhr067qnrx5hcj58zsq5ihymvyhajbdp-unit-dbus-broker.service.drv
  /nix/store/yqsizj07x1zf002kk9nx4k1d90lay0jc-system-units.drv
  /nix/store/15r9xi6pn624z44gpjhrwqzln4hdi07l-etc.drv
  /nix/store/7zlfxjvvj6z339932s4zbqpfyxjwh83k-boot.json.drv
  /nix/store/gsd135k7vnygcxfyqwl7brf9dqzfkm8p-users-groups.json.drv
  /nix/store/l2jaqckfhfwc6dvq7cr2vxkd91p6cbhd-activate.drv
  /nix/store/p4d1hy1zw0y7r5amnvd44wp3q5l7mcr5-dry-activate.drv
  /nix/store/h9m35c2jycyszqswfgyr4avzf54kzbfk-nixos-system-node1-test.drv
  /nix/store/c6gd3766s6lj5ql19gvhn0c5wcl636yv-closure-info.drv
  /nix/store/gf5niya5srm3w4j0lzpqx0hnsc7z6rzp-run-nixos-vm.drv
  /nix/store/3mvidsfi5x9nz8yf0kgvqjal6h0mdz4c-nixos-vm.drv
  /nix/store/nc3nwg4p0q9ak5721ayyzy4nskk5y4ag-test-script.drv
  /nix/store/263jzmnrd2c6pb1kn8nl3ylbsjhnw1fa-driverConfiguration.json.drv
  /nix/store/9jm2r6l5sbk7jacz1jahn83ja8z4i53y-nixos-test-driver-master.drv
  /nix/store/kkydwx748i810ajrfn5z196kk526p741-vm-test-run-master.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy
Failed to find a machine for remote build!
derivation: kkydwx748i810ajrfn5z196kk526p741-vm-test-run-master.drv
required (system, features): (aarch64-linux, [kvm, nixos-test])
1 available machines:
(systems, maxjobs, supportedFeatures, mandatoryFeatures)
([aarch64-darwin, x86_64-darwin], 8, [big-parallel, recursive-nix], [])