this derivation will be built:
  /nix/store/17v1f0bnsk5yprchs1xmj59gyyb4d48v-vm-test-run-pg-upgrade-start-guard.drv
these 25 paths will be fetched (461.7 KiB download, 5.2 MiB unpacked):
  /nix/store/19pn22ia5xxdx53b0f8j98aai0g5f5rh-X-Restart-Triggers-dbus
  /nix/store/wvf982p915ilyhvs1gigij8sb0srkviw-X-Restart-Triggers-systemd-tmpfiles-resetup
  /nix/store/w25z96ha6ix59f6in8r03s6360gamdyr-closure-info
  /nix/store/s75qfb638k5593qla28y6h17x88bl3dj-dbus-1
  /nix/store/c9y7lmzpz47dn7ga8pf40yfy76f4ylkx-etc
  /nix/store/yz1dy6l9vwdvnbcphmhyim05c83px53x-guard-env.sh
  /nix/store/dck5h4fkxjz3pllk9wz0q5wbz825iw02-guarded-upgrade
  /nix/store/b94grv9s6yvm7l1q32hls5axdhxzg1s6-hold-block
  /nix/store/lbmpw5ygly62faiwcff0php409jv3msy-hold-lock
  /nix/store/4a6nxks6raq7ds1gx2c1xxrcx11xqhj7-init-old
  /nix/store/pnafks8k5z4a4jfgdn1a5q01zgq1drf0-nixos-system-server-test
  /nix/store/lz2dj3sp2zf1c3gb12yqk27625npzma7-nixos-test-driver-pg-upgrade-start-guard
  /nix/store/2vp3frrnrlad2ykjdzycknq1ywj0hr5l-nixos-tmpfiles.d
  /nix/store/jjbygk8wzq1mzjl7p4r9lzrskzl72sx3-nixos-vm
  /nix/store/s9gyay2shci5wwxq9gd934vayl6jds15-run-nixos-vm
  /nix/store/2rrlyg6qzicv7grgzlbzxz9kdad64fjy-salt-sim
  /nix/store/layg5wn22wwbxpy2d0ybgyyhvva5174v-start-guard.sh
  /nix/store/xphfv0j38g5ldccd11w1iycabibp66ha-system-path
  /nix/store/ssn6s30sbmvilbbssyyk1z8nxqs7xpkn-system-units
  /nix/store/r8imarlm8v72n5l7kh2c096k622wiz9a-tmpfiles.d
  /nix/store/hhh1cdjl7rrsb0hawzrch77i4v8hrqx0-unit-dbus.service
  /nix/store/phwxsdzvn6ndjb4inmmiyv0rmqxh0zvp-unit-dbus.service
  /nix/store/6k4258ga64jrcylaphg1kfc0phg85351-unit-postgresql.service
  /nix/store/51ln168wgbkli8491k5jn0asff04jzmk-unit-systemd-tmpfiles-resetup.service
  /nix/store/zfpsl48z0dg3k9qjkhcl72444kj4l1s3-user-units
error: Cannot build '/nix/store/17v1f0bnsk5yprchs1xmj59gyyb4d48v-vm-test-run-pg-upgrade-start-guard.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/mj3jbxa4qpi5z5xnxz16686cdgklb933-vm-test-run-pg-upgrade-start-guard
       Last 25 log lines:
       > server # [   19.597740] postgres[1062]: 2026-10-09 21:02:21.672 UTC [1062] LOG:  listening on IPv6 address "::1", port 5432
       > server # [   19.598852] postgres[1062]: 2026-10-09 21:02:21.672 UTC [1062] LOG:  listening on IPv4 address "127.0.0.1", port 5432
       > server # [   19.601096] postgres[1062]: 2026-10-09 21:02:21.675 UTC [1062] LOG:  listening on Unix socket "/run/postgresql/.s.PGSQL.5432"
       > server # [   19.608276] postgres[1065]: 2026-10-09 21:02:21.681 UTC [1065] LOG:  database system was shut down at 2026-10-09 21:02:15 UTC
       > server # [   19.614074] postgres[1062]: 2026-10-09 21:02:21.688 UTC [1062] LOG:  database system is ready to accept connections
       > server # [   19.635617] (rm)[1069]: postgresql.service: Unable to locate executable '/bin/rm': No such file or directory
       > server # [   19.660807] (ystemctl)[1071]: postgresql.service: Unable to locate executable '/bin/systemctl': No such file or directory
       > server # [   19.666849] systemd[1]: Started postgresql.service.
       > server: (finished: must succeed: systemctl start postgresql, in 0.26 seconds)
       > server: waiting for unit postgresql.service
       > server: (finished: waiting for unit postgresql.service, in 0.06 seconds)
       > server: must fail: test -e /run/systemd/system/postgresql.service.d/pg-upgrade-lock.conf
       > !!! Test "The block expires on its own when the holder is SIGKILLed" failed with error: "command `test -e /run/systemd/system/postgresql.service.d/pg-upgrade-lock.conf` unexpectedly succeeded"
       > !!! Traceback (most recent call last):
       > !!!   File "<string>", line 36, in <module>
       > !!!     server.fail(f"test -e {DROPIN}")
       > !!! 
       > !!! RequestedAssertionFailed: command `test -e /run/systemd/system/postgresql.service.d/pg-upgrade-lock.conf` unexpectedly succeeded
       > cleanup
       > kill machine (pid 9)
       > qemu-system-x86_64: terminating on signal 15 from pid 6 (/nix/store/qzc04a3npl70cyyy6flnnrb2ig3kayxm-python3-3.13.11/bin/python3.13)
       > vde_switch: EOF data port: Interrupted system call
       > kill vlan (pid 7)
       > vde_switch: Caught signal 15, cleaning up and exiting
       > (finished: cleanup, in 0.01 seconds)
       For full logs, run:
         nix log /nix/store/17v1f0bnsk5yprchs1xmj59gyyb4d48v-vm-test-run-pg-upgrade-start-guard.drv