2026-06-27 23:13.52: New job: Build using linux-s390x in
                                []
2026-06-27 23:13.52: Will push staging image to ocurrent/opam-staging:debian-13-ocaml-4.11-flambda-s390x

Dockerfile:

# syntax=docker/dockerfile:1

FROM ocurrent/opam-staging@sha256:fe5bda8b21f5d07ddd78330eae0244dba9353767bcd2b30b4fcdfe380e1e5ce8
ENV OPAMYES="1" OPAMCONFIRMLEVEL="unsafe-yes" OPAMERRLOGLEN="0" OPAMPRECISETRACKING="1"
RUN opam switch create 4.11 --packages=ocaml-variants.4.11.2+flambda
RUN opam pin add -k version ocaml-variants 4.11.2+flambda
RUN opam install -y opam-depext
ENTRYPOINT [ "opam", "exec", "--" ]
CMD bash
COPY --link [ "Dockerfile", "/Dockerfile.ocaml" ]


2026-06-27 23:13.52: Using cache hint "4.11.2+flambda-s390x-ocurrent/opam-staging@sha256:fe5bda8b21f5d07ddd78330eae0244dba9353767bcd2b30b4fcdfe380e1e5ce8"
2026-06-27 23:13.52: Waiting for resource in pool OCluster
2026-06-28 01:29.34: Waiting for worker…
2026-06-28 01:36.15: Got resource from pool OCluster
Building on s390x-worker-01.marist.ci.dev
WARNING: experimental flag squash is removed with BuildKit. You should squash inside build using a multi-stage Dockerfile for efficiency.
#0 building with "default" instance using docker driver

#1 [internal] load build definition from Dockerfile
#1 transferring dockerfile:
#1 transferring dockerfile: 510B 0.0s done
#1 DONE 0.2s

#2 resolve image config for docker-image://docker.io/docker/dockerfile:1
#2 DONE 0.5s

#3 docker-image://docker.io/docker/dockerfile:1@sha256:87999aa3d42bdc6bea60565083ee17e86d1f3339802f543c0d03998580f9cb89
#3 CACHED

#4 [internal] load metadata for docker.io/ocurrent/opam-staging@sha256:fe5bda8b21f5d07ddd78330eae0244dba9353767bcd2b30b4fcdfe380e1e5ce8
#4 DONE 0.0s

#5 [internal] load .dockerignore
#5 transferring context: 2B done
#5 DONE 0.3s

#6 [1/5] FROM docker.io/ocurrent/opam-staging@sha256:fe5bda8b21f5d07ddd78330eae0244dba9353767bcd2b30b4fcdfe380e1e5ce8
#6 resolve docker.io/ocurrent/opam-staging@sha256:fe5bda8b21f5d07ddd78330eae0244dba9353767bcd2b30b4fcdfe380e1e5ce8 0.7s done
#6 DONE 6.0s

#7 [internal] load build context
#7 transferring context: 510B done
#7 DONE 1.2s

#8 [2/5] RUN opam switch create 4.11 --packages=ocaml-variants.4.11.2+flambda
#8 2.217 
#8 2.217 <><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><>
#8 2.217 Switch invariant: ["ocaml-variants" {= "4.11.2+flambda"}]
#8 9.091 
#8 9.091 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#8 16.08 -> installed base-bigarray.base
#8 16.08 -> installed base-threads.base
#8 16.08 -> installed base-unix.base
#8 16.86 -> retrieved ocaml-config.1  (2 extra sources)
#8 17.06 -> retrieved ocaml-variants.4.11.2+flambda  (https://opam.ocaml.org/cache)
#8 299.1 -> installed ocaml-variants.4.11.2+flambda
#8 299.2 -> installed ocaml-config.1
#8 299.2 -> installed ocaml.4.11.2
#8 299.6 Done.
#8 299.6 # Run eval $(opam env --switch=4.11) to update the current shell environment
#8 DONE 316.1s

#9 [3/5] RUN opam pin add -k version ocaml-variants 4.11.2+flambda
#9 1.108 ocaml-variants is now pinned to version 4.11.2+flambda
#9 1.108 
#9 6.888 No package build needed.
#9 6.888 Nothing to do.
#9 6.888 # Run eval $(opam env) to update the current shell environment
#9 DONE 7.7s

#10 [4/5] RUN opam install -y opam-depext
#10 6.316 The following actions will be performed:
#10 6.316   - install opam-depext 1.2.3
#10 6.317 
#10 6.317 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#10 7.036 -> retrieved opam-depext.1.2.3  (https://opam.ocaml.org/cache)
#10 12.55 -> installed opam-depext.1.2.3
#10 12.56 Done.
#10 12.56 
#10 12.56 <><> opam-depext.1.2.3 installed successfully <><><><><><><><><><><><><><><><><>
#10 12.56 => opam-depext is unnecessary when used with opam >= 2.1. Please use opam install directly instead
#10 12.56 # Run eval $(opam env) to update the current shell environment
#10 DONE 14.0s

#11 [5/5] COPY --link [ Dockerfile, /Dockerfile.ocaml ]
#11 DONE 0.2s

#12 exporting to image
#12 exporting layers
#12 exporting layers 1.8s done
#12 writing image sha256:f2708b7a7b6ce0bba0b1e4108ce93289b37a4682d04825b209a1811b83d03fb7 done
#12 DONE 1.8s

 1 warning found (use docker --debug to expand):
 - JSONArgsRecommended: JSON arguments recommended for CMD to prevent unintended behavior related to OS signals (line 9)
Pushing "sha256:f2708b7a7b6ce0bba0b1e4108ce93289b37a4682d04825b209a1811b83d03fb7" to "ocurrent/opam-staging:debian-13-ocaml-4.11-flambda-s390x" as user "ocurrentbuilder"
Login Succeeded
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debian-13-ocaml-4.11-flambda-s390x: digest: sha256:5b8221f021ebe0e03569187c4ec121404f421b63b6441a6304421bb2493cfc95 size: 9495
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debian-13-ocaml-4.11-flambda-s390x: digest: sha256:5b8221f021ebe0e03569187c4ec121404f421b63b6441a6304421bb2493cfc95 size: 9495
Job succeeded
2026-06-28 01:42.46: Job succeeded