this derivation will be built:
  /nix/store/px4yb74xdmllgx85hc6llff12xd6v51f-vm-test-run-nix-grpc-farm.drv
error: Cannot build '/nix/store/px4yb74xdmllgx85hc6llff12xd6v51f-vm-test-run-nix-grpc-farm.drv'.
       Reason: builder failed with exit code 143.
       Output paths:
         /nix/store/farl18k4b9qhi0g16gn4p7sk9hdg1289-vm-test-run-nix-grpc-farm
       Last 25 log lines:
       > worker2 # [  877.385580] systemd[1]: Started Session 113 of User root.
       > worker2 # [  877.419360] sshd-session[3228]: Received disconnect from UNKNOWN port 65535:11: disconnected by user
       > worker2 # [  877.421209] sshd-session[3228]: Disconnected from user root UNKNOWN port 65535
       > worker2 # [  877.422544] sshd-session[3207]: pam_unix(sshd:session): session closed for user root
       > worker2 # [  877.427221] systemd[1]: sshd-vsock@86-87-6:22-2:86.service: Deactivated successfully.
       > worker2 # [  877.432524] systemd[1]: session-113.scope: Deactivated successfully.
       > worker2 # [  877.436511] systemd[1]: session-113.scope: Consumed 26ms CPU time over 49ms wall clock time, 3.1M memory peak, 15.4K incoming IP traffic, 457B outgoing IP traffic.
       > worker2 # [  877.440907] systemd-logind[507]: Session 113 logged out. Waiting for processes to exit.
       > worker2 # [  877.442170] systemd-logind[507]: Removed session 113.
       > ok
       > test farm::serial::scheduler_down_the_other_node_takes_the_lock_and_keeps_it ...
       > thread 'farm::serial::scheduler_down_the_other_node_takes_the_lock_and_keeps_it' (2081) panicked at harness.rs:200:5:
       > [worker1] ssh connection lost: sh -c 'systemctl is-active -q nix-grpc-daemon.service || systemctl start nix-grpc-daemon.service'
       > Failed to receive OK from /build/tmpv8rp9d89/worker1_host.socket: Connection reset by peer
       > mm_receive_fd: recvmsg: expected received 1 got 0
       > proxy dialer did not pass back a connection
       >
       > note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
       > FAILED
       > test farm::serial::scheduler_restart_mid_build_finishes_without_a_double_build ... kill QemuMachine (pid 60)
       > worker2 # qemu-system-aarch64: terminating on signal 15 from pid 39 (/nix/store/lq2fsnmg0q3y0vlxn91w8s8wvj1m6fld-python3-3.14.8/bin/python3.14)
       > worker2 # [2026-11-06T10:25:27Z INFO  virtiofsd] Client disconnected, shutting down
       > worker2 # [2026-11-06T10:25:27Z INFO  virtiofsd] Client disconnected, shutting down
       > worker2 # [2026-11-06T10:25:27Z INFO  virtiofsd] Client disconnected, shutting down
       > Terminated                 /nix/store/1v17qjkpnl2mraazn6qsls1kz2k96krr-nixos-test-driver-nix-grpc-farm/bin/nixos-test-driver -o $out
       For full logs, run:
         nix log /nix/store/px4yb74xdmllgx85hc6llff12xd6v51f-vm-test-run-nix-grpc-farm.drv