2021-10-20 08:12.09: New job: Build using linux-x86_64 in
                                [https://github.com/mirage/mirage-skeleton.git#refs/heads/master (4eb9b898d38073bed050f588e7132acfea770848)]

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#071951a7f9a420ee45d953b57b5e540bf0bd82e9"))
 (run (network host)
      (shell "opam repo add mirage-dev https://github.com/mirage/mirage-dev.git#e8f527bcf5eb2058a76f4faf4742810648db8f93"))
 (run (cache (download-cache (target /home/opam/.opam/download-cache)))
      (network host)
      (shell "opam install -y mirage"))
 (copy (src .) (dst /src/))
 (env MODE xen)
 (workdir /src/)
 (run (shell "opam exec -- make configure"))
 (env OVERLAY https://github.com/mirage/opam-overlays.git#f033f8b770097e768cc974cc407e0cd6d7889d63)
 (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 (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"))
)

2021-10-20 08:12.09: Using cache hint "mirage-ci-skeleton-debian-10-ocaml-4.13"
2021-10-20 08:12.09: Waiting for resource in pool OCluster
2021-10-20 08:12.09: Waiting for worker...
2021-10-20 08:16.53: Got resource from pool OCluster
Building on laodoke.ocamllabs.io
All commits already cached
HEAD is now at 4eb9b89 Merge pull request #316 from jmid/fix-xen-link

(from ocaml/opam:debian-10-ocaml-4.13)
2021-10-20 08:16.54 ---> using "cbba9511e46ef57631453d5b88aeed1ed6de6fa87b6f0dcb3da9328657d73fa4" from cache

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

/: (workdir /home/opam)

/home/opam: (run (shell "sudo chown opam:opam /home/opam"))
2021-10-20 08:16.54 ---> 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
2021-10-20 08:16.54 ---> using "88933084999984163bc104ca2978b0ba2b9c83ff33e4e30c3b6dae7cb5cde9bc" from cache

/home/opam: (run (network host)
                 (shell "opam repo add opam https://github.com/ocaml/opam-repository.git#071951a7f9a420ee45d953b57b5e540bf0bd82e9"))
[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.

2021-10-20 08:16.54 ---> using "3d4692b9cf99f7d58a3255d6d7ed47f8df6a050a26d37405dca89597cb14c978" from cache

/home/opam: (run (network host)
                 (shell "opam repo add mirage-dev https://github.com/mirage/mirage-dev.git#e8f527bcf5eb2058a76f4faf4742810648db8f93"))
[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.

2021-10-20 08:16.54 ---> using "c24492e87bdc06f0ab1dcef07e2829dc43bc5c046db88a40bb3d4a8db4d03d54" from cache

/home/opam: (run (cache (download-cache (target /home/opam/.opam/download-cache)))
                 (network host)
                 (shell "opam install -y mirage"))
The following actions will be performed:
  - install ocamlfind         1.9.1  [required by astring, bos]
  - install seq               base   [required by lwt]
  - install cmdliner          1.0.4  [required by functoria]
  - install dune              2.9.1  [required by mirage]
  - install ocamlbuild        0.14.0 [required by astring, bos]
  - install base-bytes        base   [required by ocplib-endian]
  - install stdlib-shims      0.3.0  [required by mirage]
  - install result            1.5    [required by ptime]
  - install mmap              1.1.0  [required by lwt]
  - install macaddr           5.2.0  [required by ipaddr]
  - install csexp             1.5.1  [required by dune-configurator]
  - install cppo              1.6.8  [required by lwt]
  - install topkg             1.0.4  [required by astring, bos]
  - install ocamlgraph        2.0.0  [required by functoria]
  - install dune-configurator 2.9.1  [required by lwt]
  - install ocplib-endian     1.1    [required by lwt]
  - install rresult           0.7.0  [required by bos, functoria]
  - install ptime             0.8.5  [required by functoria]
  - install fmt               0.8.10 [required by mirage]
  - install astring           0.8.5  [required by mirage]
  - install lwt               5.4.2  [required by mirage-runtime]
  - install functoria-runtime 3.0.3  [required by mirage-runtime]
  - install fpath             0.7.3  [required by bos, functoria]
  - install domain-name       0.3.0  [required by ipaddr]
  - install logs              0.7.0  [required by mirage]
  - install ipaddr            5.2.0  [required by mirage]
  - install bos               0.2.1  [required by mirage]
  - install mirage-runtime    3.10.5 [required by mirage]
  - install functoria         3.1.1  [required by mirage]
  - install mirage            3.10.5
===== 30 to install =====

<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-> retrieved bos.0.2.1  (cached)
-> retrieved astring.0.8.5  (cached)
-> retrieved cmdliner.1.0.4  (cached)
-> retrieved cppo.1.6.8  (cached)
-> retrieved csexp.1.5.1  (cached)
-> retrieved domain-name.0.3.0  (cached)
-> retrieved fmt.0.8.10  (cached)
-> retrieved fpath.0.7.3  (cached)
-> retrieved functoria.3.1.1  (cached)
-> retrieved functoria-runtime.3.0.3  (cached)
-> retrieved ipaddr.5.2.0  (cached)
-> retrieved logs.0.7.0  (cached)
-> retrieved lwt.5.4.2  (cached)
-> retrieved dune.2.9.1  (cached)
-> retrieved dune-configurator.2.9.1  (cached)
-> retrieved macaddr.5.2.0  (cached)
-> retrieved mirage.3.10.5  (cached)
-> retrieved mirage-runtime.3.10.5  (cached)
-> retrieved mmap.1.1.0  (cached)
-> retrieved ocamlbuild.0.14.0  (cached)
-> retrieved ocamlfind.1.9.1  (cached)
-> retrieved ocamlgraph.2.0.0  (cached)
-> retrieved ocplib-endian.1.1  (cached)
-> retrieved ptime.0.8.5  (cached)
-> installed seq.base
-> retrieved result.1.5  (cached)
-> retrieved rresult.0.7.0  (cached)
-> retrieved stdlib-shims.0.3.0  (cached)
-> retrieved topkg.1.0.4  (cached)
-> installed cmdliner.1.0.4
-> installed ocamlfind.1.9.1
-> installed base-bytes.base
-> installed ocamlbuild.0.14.0
-> installed topkg.1.0.4
-> installed rresult.0.7.0
-> installed dune.2.9.1
-> installed csexp.1.5.1
-> installed macaddr.5.2.0
-> installed mmap.1.1.0
-> installed result.1.5
-> installed fmt.0.8.10
-> installed stdlib-shims.0.3.0
-> installed astring.0.8.5
-> installed cppo.1.6.8
-> installed functoria-runtime.3.0.3
-> installed domain-name.0.3.0
-> installed ocplib-endian.1.1
-> installed dune-configurator.2.9.1
-> installed ipaddr.5.2.0
-> installed fpath.0.7.3
-> installed ptime.0.8.5
-> installed ocamlgraph.2.0.0
-> installed lwt.5.4.2
-> installed logs.0.7.0
-> installed mirage-runtime.3.10.5
-> installed bos.0.2.1
-> installed functoria.3.1.1
-> installed mirage.3.10.5
Done.
# Run eval $(opam env) to update the current shell environment
2021-10-20 08:16.54 ---> using "58b02bd85312c23b59ba11f1cbe779fc9c79bd370a85e1808467bfc033d6a058" from cache

/home/opam: (copy (src .) (dst /src/))
2021-10-20 08:16.54 ---> using "946fea9dc004651ba82cf95e7b40c52976e75c2e692fa40527bd230b97a0f2bd" from cache

/home/opam: (env MODE xen)

/home/opam: (workdir /src/)

/src/: (run (shell "opam exec -- make configure"))
cd tutorial/noop && mirage configure -t xen 
cd tutorial/noop-functor && mirage configure -t xen 
cd tutorial/hello && mirage configure -t xen 
cd tutorial/hello-key && mirage configure -t xen 
cd tutorial/lwt/echo_server && mirage configure -t xen 
cd tutorial/lwt/heads1 && mirage configure -t xen 
cd tutorial/lwt/heads2 && mirage configure -t xen 
cd tutorial/lwt/timeout1 && mirage configure -t xen 
cd tutorial/lwt/timeout2 && mirage configure -t xen 
cd tutorial/app_info && mirage configure -t xen 
cd device-usage/clock && mirage configure -t xen 
cd device-usage/conduit_server && mirage configure -t xen 
cd device-usage/console && mirage configure -t xen 
cd device-usage/http-fetch && mirage configure -t xen 
cd device-usage/kv_ro && mirage configure -t xen 
cd device-usage/network && mirage configure -t xen 
cd device-usage/ping6 && mirage configure -t xen 
cd device-usage/pgx && mirage configure -t xen 
cd device-usage/prng && mirage configure -t xen 
cd applications/dhcp && mirage configure -t xen 
cd applications/static_website_tls && mirage configure -t xen 
cd device-usage/block && mirage configure -t xen 
2021-10-20 08:16.54 ---> using "8ef15a69b7499d582521ccc97239682844bea3a3bdfcd5e225fcd75fcd1f8c1a" from cache

/src/: (env OVERLAY https://github.com/mirage/opam-overlays.git#f033f8b770097e768cc974cc407e0cd6d7889d63)

/src/: (run (network host)
            (shell "opam exec -- make lock"))
make: *** No rule to make target 'lock'.  Stop.
"/bin/bash" "-c" "opam exec -- make lock" failed with exit status 2
2021-10-20 08:16.55: Job failed: Failed: Build failed