2025-05-31 11:58.47: New job: Build using linux-arm64 in
                                [https://github.com/mirage/mirage-skeleton.git#refs/heads/dev (924fa1b6e311f53d719a3dab1546ea9b43145398)]

OBuilder spec:

((from ocaml/opam:debian-10-ocaml-4.14)
 (user (uid 1000) (gid 1000))
 (workdir /home/opam)
 (run (shell "sudo chown opam:opam /home/opam"))
 (run (shell "sudo ln -f /usr/bin/opam-2.1 /usr/bin/opam && opam update"))
 (run (network host)
      (shell "opam repo add opam https://github.com/ocaml/opam-repository.git#6ef11c3f3418da8dac044b83bba15d8b424f95d4"))
 (run (network host)
      (shell "opam repo add mirage-dev https://github.com/mirage/mirage-dev.git#eb114ccf0dd4eeca6b4f06c5c7361c238eeca4fd"))
 (run (network host)
      (shell "opam pin -ny https://github.com/mirage/mirage.git#0044f83feb732e3f861fd948239383b8da402f8a"))
 (run (cache (download-cache (target /home/opam/.opam/download-cache)))
      (network host)
      (shell "sudo apt-get update && opam install -y \"mirage>=4\""))
 (copy (src .) (dst /src/))
 (env MODE unix)
 (workdir /src/)
 (run (shell "opam exec -- make configure"))
 (env MIRAGE_EXTRA_REPOS opam-overlays:https://github.com/dune-universe/opam-overlays.git#e031bb64e33bf93be963e9a38b28962e6e14381f,mirage-opam-overlays:https://github.com/dune-universe/mirage-opam-overlays.git#797cb363df3ff763c43c8fbec5cd44de2878757e)
 (run (network host)
      (shell "opam exec -- make lock"))
 (run (cache (download-cache (target /home/opam/.opam/download-cache)))
      (network host)
      (shell "sudo apt-get update && opam exec -- make depends"))
 (run (shell "opam monorepo list -l mirage.opam.locked"))
 (run (cache (download-cache (target /home/opam/.opam/download-cache)))
      (network host)
      (shell "opam exec -- make pull"))
 (env DUNE_CACHE enabled)
 (env DUNE_CACHE_TRANSPORT direct)
 (run (cache (dune-build-cache (target /home/opam/.cache/dune)))
      (network host)
      (shell "opam exec -- make build"))
)

2025-05-31 11:58.47: Using cache hint "mirage-ci-skeleton-debian-10-ocaml-4.14"
2025-05-31 11:58.47: Waiting for resource in pool OCluster
2025-05-31 11:58.47: Waiting for worker…
2025-05-31 11:58.47: Got resource from pool OCluster
Building on kydoime.caelum.ci.dev
All commits already cached
HEAD is now at 924fa1b defunctorised versions of unikernels (#407)

(from ocaml/opam:debian-10-ocaml-4.14)
Uncaught exception: Failure("\"tar\" \"-C\" \"/var/cache/obuilder/in-progress/feee4396c1d94d93bd2f0711740834a80d493221dd8765a3fda3bfa3da34a3f1/rootfs\" \"-xf\" \"-\" failed with exit status 2")
2025-05-31 11:59.01: Job failed: Failed: Internal error