2022-02-01 11:43.21: New job: Build using linux-arm64 in
                                [https://github.com/mirage/mirage-skeleton.git#refs/heads/mirage-dev (1281ef2bcc4cce287b9089e55c6877a7632802db)]

OBuilder spec:

((from ocaml/opam:debian-10-ocaml-4.13)
 (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#ba98bc114686ab92a733b8d414b91c60db39a2db"))
 (run (network host)
      (shell "opam repo add mirage-dev https://github.com/mirage/mirage-dev.git#d86adbf6d5b2361beb9e8d2506795d786c22c85b"))
 (run (cache (download-cache (target /home/opam/.opam/download-cache)))
      (network host)
      (shell "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#9937e046368140374df76b6ff56777dcc55b245b,mirage-opam-overlays:https://github.com/dune-universe/mirage-opam-overlays.git#f02e14c3d02461c8357f31ecd4d43e66fe59d18b)
 (run (network host)
      (shell "opam exec -- make lock"))
 (run (cache (download-cache (target /home/opam/.opam/download-cache)))
      (network host)
      (shell "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)))
      (shell "opam exec -- make build"))
)

2022-02-01 11:43.21: Using cache hint "mirage-ci-skeleton-debian-10-ocaml-4.13"
2022-02-01 11:43.21: Waiting for resource in pool OCluster
2022-02-01 11:43.21: Waiting for worker...
2022-02-01 11:43.22: Got resource from pool OCluster
Building on arm64-jade-1.ocamllabs.io
All commits already cached
HEAD is now at 1281ef2 Merge pull request #328 from mirage/multiple-overlays

(from ocaml/opam:debian-10-ocaml-4.13)
Unable to find image 'ocaml/opam:debian-10-ocaml-4.13' locally
debian-10-ocaml-4.13: Pulling from ocaml/opam
741eb9419543: Already exists
0251befdadfd: Already exists
fff93d6a912b: Pulling fs layer
fff93d6a912b: Verifying Checksum
fff93d6a912b: Download complete
fff93d6a912b: Pull complete
Digest: sha256:fa52402b6f12e3b1926a93f07f5f18661d0128c732ead200696f0d7ff401c866
Status: Downloaded newer image for ocaml/opam:debian-10-ocaml-4.13
2022-02-01 11:43.23 ---> using "cbba9511e46ef57631453d5b88aeed1ed6de6fa87b6f0dcb3da9328657d73fa4" from cache

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

/: (workdir /home/opam)

/home/opam: (run (shell "sudo chown opam:opam /home/opam"))
2022-02-01 11:43.23 ---> using "0afede13af6ea6d75cbfcfb80353059bc4fd4eea40a723ef627f0c4946f2e079" from cache

/home/opam: (run (shell "sudo ln -f /usr/bin/opam-2.1 /usr/bin/opam && opam update"))
This development 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
2022-02-01 11:43.23 ---> using "88933084999984163bc104ca2978b0ba2b9c83ff33e4e30c3b6dae7cb5cde9bc" from cache

/home/opam: (run (network host)
                 (shell "opam repo add opam https://github.com/ocaml/opam-repository.git#ba98bc114686ab92a733b8d414b91c60db39a2db"))
[opam] Initialised
[NOTE] Repository opam has been added to the selections of switch 4.13 only.
       Run `opam repository add opam --all-switches|--set-default' to use it in all existing switches, or in newly created switches, respectively.

2022-02-01 11:43.55 ---> saved as "07c9643152778b68c904a6f5510dc05ecd78f7fd56fbc868690b0ccb37afb148"

/home/opam: (run (network host)
                 (shell "opam repo add mirage-dev https://github.com/mirage/mirage-dev.git#d86adbf6d5b2361beb9e8d2506795d786c22c85b"))
[mirage-dev] Initialised
[NOTE] Repository mirage-dev has been added to the selections of switch 4.13 only.
       Run `opam repository add mirage-dev --all-switches|--set-default' to use it in all existing switches, or in newly created switches, respectively.

2022-02-01 11:43.58 ---> saved as "0be9d41e65bb62c6126a5be2d463f7bf82962cba913dbcf733c78edb12eac724"

/home/opam: (run (cache (download-cache (target /home/opam/.opam/download-cache)))
                 (network host)
                 (shell "opam install -y \"mirage>=4\""))
2022-02-01 11:44.03: Cancelling: Auto-cancelling job because it is no longer needed
Job cancelled