this derivation will be built:
  /nix/store/1grig8a4bhsb2i4fv42h9mnjg8xbdi6y-vm-test-run-nix-grpc-farm.drv
error: Cannot build '/nix/store/1grig8a4bhsb2i4fv42h9mnjg8xbdi6y-vm-test-run-nix-grpc-farm.drv'.
       Reason: builder failed with exit code 143.
       Output paths:
         /nix/store/qgv1fsf5iikjd1qmrfsjyk2r5pxclcaa-vm-test-run-nix-grpc-farm
       Last 25 log lines:
       > worker2 # [  832.464334] systemd[1]: sshd-vsock@90-91-6:22-2:90.service: Deactivated successfully.
       > worker2 # [  832.469147] systemd[1]: session-114.scope: Deactivated successfully.
       > worker2 # [  832.473625] systemd-logind[514]: Session 114 logged out. Waiting for processes to exit.
       > worker2 # [  832.475777] systemd-logind[514]: Removed session 114.
       > [e2e] heartbeat t=723s
       > kill QemuMachine (pid 64)
       > worker1 # qemu-system-aarch64: terminating on signal 15 from pid 39 (/nix/store/lq2fsnmg0q3y0vlxn91w8s8wvj1m6fld-python3-3.14.8/bin/python3.14)
       > worker1 # [2026-11-06T20:29:32Z INFO  virtiofsd] Client disconnected, shutting down
       > worker1 # [2026-11-06T20:29:32Z INFO  virtiofsd] Client disconnected, shutting down
       > worker1 # [2026-11-06T20:29:32Z INFO  virtiofsd] Client disconnected, shutting down
       > kill QemuMachine (pid 65)
       > worker2 # qemu-system-aarch64: terminating on signal 15 from pid 39 (/nix/store/lq2fsnmg0q3y0vlxn91w8s8wvj1m6fld-python3-3.14.8/bin/python3.14)
       > worker2 # [2026-11-06T20:29:33Z INFO  virtiofsd] Client disconnected, shutting down
       > worker2 # [2026-11-06T20:29:33Z INFO  virtiofsd] Client disconnected, shutting down
       > worker2 # [2026-11-06T20:29:33Z INFO  virtiofsd] Client disconnected, shutting down
       >
       > thread 'farm::serial::scheduler_restart_mid_build_finishes_without_a_double_build' (1965) panicked at harness.rs:200:5:
       > [worker1] ssh connection lost: pkill -f 'read -t [9]0 x'
       > Failed to receive OK from /build/tmprgaslgrk/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::the_first_client_leaving_does_not_fail_the_second ... Terminated                 /nix/store/m8jgx7y5b09vv073kgyia89944lwc8r5-nixos-test-driver-nix-grpc-farm/bin/nixos-test-driver -o $out
       For full logs, run:
         nix log /nix/store/1grig8a4bhsb2i4fv42h9mnjg8xbdi6y-vm-test-run-nix-grpc-farm.drv