2025-05-31 11:58.47: New job: Build using linux-arm64 in
                                [https://github.com/mirage/mirage-skeleton.git#refs/heads/main (25ee67cc764c0aee317b4071aeb320c285a318df)]

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 (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 hvt)
 (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
hint: Using 'master' as the name for the initial branch. This default branch name
hint: is subject to change. To configure the initial branch name to use in all
hint: of your new repositories, which will suppress this warning, call:
hint: 
hint: 	git config --global init.defaultBranch <name>
hint: 
hint: Names commonly chosen instead of 'master' are 'main', 'trunk' and
hint: 'development'. The just-created branch can be renamed via this command:
hint: 
hint: 	git branch -m <name>
Initialized empty Git repository in /var/cache/obuilder/ocluster/git/mirage-skeleton.git-f56d4287cf5ef510eaeeaae959af62f33ba238c7/.git/
HEAD is now at 25ee67c update to ocamlformat 0.27.0

(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