these 27 derivations will be built:
  /nix/store/cjjgfr4j8ml48zgh0vi06w175jrpngyl-system-path.drv
  /nix/store/216b6ga5yka7l4ap28qhz4qqxxx37lzv-dbus-1.drv
  /nix/store/zfjckan4mx7qpnv8z6m9lf048v1knhjz-X-Restart-Triggers-dbus-broker.drv
  /nix/store/gyr33vh7nl6yp0cfnxkbaga0ipk69r6k-unit-dbus-broker.service.drv
  /nix/store/iy7ang7r8ik50sjz6by59hdz4ib6k4hf-user-units.drv
  /nix/store/xndhgsixw4fy0z602bnxd8dg06amzydn-nix.conf.drv
  /nix/store/m1jvlrq20q4fdgc62mny0gfwyvcja6mw-X-Restart-Triggers-nix-daemon.drv
  /nix/store/f3pk23mys5d256vpx1cpkl5mas8jpgbm-unit-nix-daemon.service.drv
  /nix/store/kbcy1nadabk14c3423z00xsdnps8qjzm-unit-fast-nix-gc.service.drv
  /nix/store/pbc8pcq0dvsszf2in419dd6hy4n5m7pz-unit-dbus-broker.service.drv
  /nix/store/qv4s3g4n3v7s9lf79wr0zpz3rjg6bgqn-unit-fast-nix-optimise.service.drv
  /nix/store/vrfb276vwfxniv0cbn7yn762hfwr946k-system-units.drv
  /nix/store/r2dripny7kihd123kd2xw13kna6rchzf-etc.drv
  /nix/store/460zg7lh75d44nrhs6r9jkinpgxs1m81-activate.drv
  /nix/store/8q0n109xbny1nxcksdjfbvabpc5ws5p3-initrd-hostname.drv
  /nix/store/wj1hs5jasrrqph7jgq7vsnmqfh8q94qd-initrd-linux-6.18.39.drv
  /nix/store/zzmmzmjhdiysrl73xysi0nkpvc2d7s0a-boot.json.drv
  /nix/store/dbfdvw57qflvwn79g17pnc8smiivalbi-nixos-system-machine-test.drv
  /nix/store/ikkjyklfhpmjprahm4kidk6566fbmhd5-string-references.drv
  /nix/store/10yh5jqhkazdjgjpnidisckbap92x0jj-closure-info.drv
  /nix/store/fxrps5wp1a9yylimr2lniik4l5gwficc-closure-info.drv
  /nix/store/27mgxa3kb01jwys39gzzvhabmk9hxb47-run-nixos-vm.drv
  /nix/store/2f2lpg6986zmzpjmik7kj0013kb875kg-nixos-vm.drv
  /nix/store/ld7fq9dmvi6pxji6wc1xn5xs9jld1mpv-test-script.drv
  /nix/store/ckb4jdm0qbm0ghrchc9xan6vbhj18m2m-driverConfiguration.json.drv
  /nix/store/0bbgh4vkx23kgwdgfkci1mm5mkrjwhic-nixos-test-driver-fast-nix-gc.drv
  /nix/store/ij7dyyvkrq11sy49h9pvpdzrpayzkk8k-vm-test-run-fast-nix-gc.drv
these 11 paths will be fetched (9.7 MiB download, 23.8 MiB unpacked):
  /nix/store/cjkq2ymhpgdrj0391cqxkqb1m08gz4m0-linux-6.18.39-modules-shrunk
  /nix/store/r2vc2id8d04dji4v07yrmfgvfpylzz0p-nix-2.35pre20260619_f8bb823a
  /nix/store/z9hrjg7q4yb5l63mkyvknk8j1qgw67rn-nix-2.35pre20260619_f8bb823a
  /nix/store/ivx9ci2igkqc2f5rwncmppn1mwnb6bc8-nix-cmd-2.35pre20260619_f8bb823a
  /nix/store/a1phnnnmq9nzcprigpm592irsydfkq2b-nix-expr-2.35pre20260619_f8bb823a
  /nix/store/2fipqvkq50v0gdgs3hadw8v2x7ajg98i-nix-fetchers-2.35pre20260619_f8bb823a
  /nix/store/3rbwiviy51kj5kzzs0c5mz49y86gnj40-nix-flake-2.35pre20260619_f8bb823a
  /nix/store/1l77jp6s113i3dcpxnwgvbmnw3zrxmg6-nix-main-2.35pre20260619_f8bb823a
  /nix/store/2hzsj58r25gb7id6nypm8p4m5iwhjndv-nix-nswrapper-2.35pre20260619_f8bb823a
  /nix/store/6ildv93bkwnbym8fkz866gf3716vn02y-nix-store-2.35pre20260619_f8bb823a
  /nix/store/zbr2chwch16qv8kyacz2zm44nsq06m3z-nix-util-2.35pre20260619_f8bb823a
error: Cannot build '/nix/store/ij7dyyvkrq11sy49h9pvpdzrpayzkk8k-vm-test-run-fast-nix-gc.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/8ik795kbgafdmkwr5r3vm9jx1carvkjb-vm-test-run-fast-nix-gc
       Last 25 log lines:
       > machine: (finished: waiting for failure: systemctl is-active fast-nix-gc.service, in 0.05 seconds)
       > machine: must succeed: test -e /nix/store/c9l810y1svb63dbj77ga83cvakglv6p0-saved
       > machine # [   27.643753] fast-nix-gc[1074]: [WARN ] failed to delete /nix/store/jzi875n1g80v1dn1md37qpy55dc3vphs-ca-test2: removing /nix/store/jzi875n1g80v1dn1md37qpy55dc3vphs-ca-test2: Read-only file system (os error 30)
       > machine # [   27.645880] fast-nix-gc[1074]: [WARN ] failed to delete /nix/store/fs91ijhknmg95yh4rsmsri07ps008ym8-ca-test2.drv: removing /nix/store/fs91ijhknmg95yh4rsmsri07ps008ym8-ca-test2.drv: Read-only file system (os error 30)
       > machine # [   27.648146] fast-nix-gc[1074]: [WARN ] failed to delete /nix/store/517d5wdijgkaayhws2blgl8n0dxwz9d9-ca-test: removing /nix/store/517d5wdijgkaayhws2blgl8n0dxwz9d9-ca-test: Read-only file system (os error 30)
       > machine # [   27.651403] fast-nix-gc[1074]: [WARN ] failed to delete /nix/store/qv629ikabpyqyk6pffpb73gz2v6d9q2j-ca-test.drv: removing /nix/store/qv629ikabpyqyk6pffpb73gz2v6d9q2j-ca-test.drv: Read-only file system (os error 30)
       > machine # [   27.653547] fast-nix-gc[1074]: [INFO ] deleting unused links...
       > machine # [   27.654343] fast-nix-gc[1074]: 13 store paths deleted, 22.16 MiB freed
       > machine # [   27.656179] systemd[1]: fast-nix-gc.service: Deactivated successfully.
       > machine # [   27.658750] systemd[1]: Finished Fast Nix Garbage Collector.
       > machine: (finished: must succeed: test -e /nix/store/c9l810y1svb63dbj77ga83cvakglv6p0-saved, in 0.02 seconds)
       > machine: must fail: test -e /nix/store/1x6909zm53al5lz9j5wyq9c93xbkz5f6-other
       > !!! Traceback (most recent call last):
       > !!!   File "<string>", line 164, in <module>
       > !!!     machine.fail(f"test -e {other}")
       > !!! 
       > !!! RequestedAssertionFailed: command `test -e /nix/store/1x6909zm53al5lz9j5wyq9c93xbkz5f6-other` unexpectedly succeeded
       > cleanup
       > kill QemuMachine (pid 45)
       > machine # qemu-system-x86_64: terminating on signal 15 from pid 39 (/nix/store/jxyrvv4gbpnp3ap5iy7wxwl1sg4x2x88-python3-3.14.6/bin/python3.14)
       > (finished: cleanup, in 0.21 seconds)
       > additionally exposed symbols:
       >     machine,
       >     vlan1,
       >     start_all, test_script, machines, machines_qemu, machines_nspawn, vlans, driver, log, os, create_machine, subtest, run_tests, join_all, retry, serial_stdout_off, serial_stdout_on, polling_condition, BaseMachine, QemuMachine, NspawnMachine, t, debug, dump_machine_ssh
       For full logs, run:
         nix log /nix/store/ij7dyyvkrq11sy49h9pvpdzrpayzkk8k-vm-test-run-fast-nix-gc.drv