2025-03-04 11:46.28: New job: Build using linux-x86_64 in
                                [https://github.com/mirage/mirage-skeleton.git#refs/pull/407/head (0d0c5e528e21aefe9ddfcfc9f3c7e3d10f47e8c1)]

OBuilder spec:

((from ocaml/opam:debian-10-ocaml-5.2)
 (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#c940a5f1a97ea0abf72b5f8a3319f15551c41337"))
 (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#08ae0c15e937882aadc1dd2240118a3804ba4293"))
 (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#395cbc4acc1f4524853728c5885f32f1cfff281b,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"))
)

2025-03-04 11:46.28: Using cache hint "mirage-ci-skeleton-debian-10-ocaml-5.2"
2025-03-04 11:46.28: Waiting for resource in pool OCluster
2025-03-04 11:46.28: Waiting for worker…
2025-03-04 11:46.28: Got resource from pool OCluster
Building on x86-bm-c7.sw.ocaml.org
All commits already cached
HEAD is now at 0d0c5e5 remove ~deps:[dep noop] now that mirage automatically inserts it

(from ocaml/opam:debian-10-ocaml-5.2)
Unable to find image 'ocaml/opam:debian-10-ocaml-5.2' locally
debian-10-ocaml-5.2: Pulling from ocaml/opam
740819dec880: Pulling fs layer
740819dec880: Verifying Checksum
740819dec880: Download complete
740819dec880: Pull complete
Digest: sha256:4d672c5a454ab64ecbc9b6d32af254d6d26335ceec51889e49a4e3fb2a0d17f3
Status: Downloaded newer image for ocaml/opam:debian-10-ocaml-5.2
2025-03-04 11:47.38 ---> saved as "752a856dc0534d8bc120f716770ce56b356e0038b43f4a4cd8984ba0735684e4"

/: (user (uid 1000) (gid 1000))

/: (workdir /home/opam)

/home/opam: (run (shell "sudo chown opam:opam /home/opam"))
2025-03-04 11:47.38 Waiting for previous build to finish cancelling
2025-03-04 11:47.38 ---> saved as "0f5e656a2ed5cbea7671c38eb0719b93d7366fc382509556b14b9efdaffe3b8b"

/home/opam: (run (shell "sudo ln -f /usr/bin/opam-2.1 /usr/bin/opam && opam update"))
This version of opam requires an update to the layout of /home/opam/.opam from version 2.0 to version 2.1, which can't be reverted.
You may want to back it up before going further.

Continue? [Y/n] y
Format upgrade done.

<><> Updating package repositories ><><><><><><><><><><><><><><><><><><><><><><>
[default] synchronised from file:///home/opam/opam-repository
2025-03-04 11:48.57 ---> saved as "f49c317111a642676c09c01bc919af8812f6a51ed5ff16776f360ee3839c99a5"

/home/opam: (run (network host)
                 (shell "opam repo add opam https://github.com/ocaml/opam-repository.git#c940a5f1a97ea0abf72b5f8a3319f15551c41337"))
2025-03-04 11:49.09: Cancelling: Auto-cancelling job because it is no longer needed
Job cancelled