these 6 derivations will be built:
  /nix/store/j7pkmf2znf65qynpglj3sf1g5mv0ji4h-iets-0.1.0.drv
  /nix/store/fs5pxi221w6cb6cg5q542w4vxys70z02-closure-info.drv
  /nix/store/7bpf8z67wp060spji058jgb0n480wzkn-test-script.drv
  /nix/store/2vfvs4m9dhwjcp5nvlfy87qahh3qx0c2-driverConfiguration.json.drv
  /nix/store/16bpgkliyjj54dvl3a4n0g6wz7nc8vc6-nixos-test-driver-iets-grpc-e2e.drv
  /nix/store/jrv3jca4j1iaq0wg18w08lwi5rks9653-container-test-run-iets-grpc-e2e.drv
error: Cannot build '/nix/store/jrv3jca4j1iaq0wg18w08lwi5rks9653-container-test-run-iets-grpc-e2e.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/vwdrpirsz63hyc1ndm3lh595yp1gym91-container-test-run-iets-grpc-e2e
       Last 25 log lines:
       > machine # [1363618.621941] machine nix-daemon[5109]: accepted connection from pid 5574, user alice (trusted)
       > Error: nu::shell::core_dumped
       >
       >   x External command core dumped
       >     ,-[/home/alice/iets/scripts/grpc-e2e.nu:59:6]
       >  58 |   job spawn {
       >  59 |     ^$"($pkg)/bin/nix-grpc-daemon" --listen $"127.0.0.1:($port)" --proxy-socket $sock --proxy-store $"local?root=($root)" o+e> $"($work)/grpc.log"
       >     :      ^^^^^^^^^^^^^^|^^^^^^^^^^^^^^
       >     :                    `-- core dumped with SIGBUS (7)
       >  60 |   } | ignore
       >     `----
       >
       >   grpc:   [{"attr":"checks.x86_64-linux.bad","success":false},{"attr":"checks.x86_64-linux.chain","success":false},{"attr":"checks.x86_64-linux.dep","success":false},{"attr":"checks.x86_64-linux.ok","success":false}]
       >   worker: [{"attr":"checks.x86_64-linux.bad","success":false},{"attr":"checks.x86_64-linux.chain","success":true},{"attr":"checks.x86_64-linux.dep","success":true},{"attr":"checks.x86_64-linux.ok","success":true}]
       > FAIL: the outcomes differ between the transports
       > machine: output:
       > !!! Traceback (most recent call last):
       > !!!   File "<string>", line 8, in <module>
       > !!!     machine.succeed("runuser -l alice -c 'cd iets && IETS=/nix/store/ihxjg5lyf5xbbcpvszn9sr4avzjr43sh-iets-0.1.0/bin/iets NIXPKGS=/nix/store/hhfnpma32czw4h3bqpag8dciax0bcmar-source E2E_OFFLINE=1  DAEMON=/nix/store/ja2hmg2wf8ayg1ibn9qqq8p0djx1dza3-nix-grpc-daemon-0.1.0 nu scripts/grpc-e2e.nu' >&2")
       > !!! 
       > !!! RequestedAssertionFailed: command `runuser -l alice -c 'cd iets && IETS=/nix/store/ihxjg5lyf5xbbcpvszn9sr4avzjr43sh-iets-0.1.0/bin/iets NIXPKGS=/nix/store/hhfnpma32czw4h3bqpag8dciax0bcmar-source E2E_OFFLINE=1  DAEMON=/nix/store/ja2hmg2wf8ayg1ibn9qqq8p0djx1dza3-nix-grpc-daemon-0.1.0 nu scripts/grpc-e2e.nu' >&2` failed (exit code 1)
       > cleanup
       > kill NspawnMachine (pid 50)
       > Container machine terminated by signal KILL.
       > (finished: cleanup, in 0.17 seconds)
       For full logs, run:
         nix log /nix/store/jrv3jca4j1iaq0wg18w08lwi5rks9653-container-test-run-iets-grpc-e2e.drv