2026-07-25 20:58.16: New job: Build using linux-s390x in
                                []
2026-07-25 20:58.16: Will push staging image to ocurrent/opam-staging:debian-13-ocaml-4.11-flambda-s390x

Dockerfile:

# syntax=docker/dockerfile:1

FROM ocurrent/opam-staging@sha256:62f6ca6ac839c61996e57d7831145d97492360435df770ef4efb080d58b00fd7
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" ]


2026-07-25 20:58.16: Using cache hint "4.11.2+flambda-s390x-ocurrent/opam-staging@sha256:62f6ca6ac839c61996e57d7831145d97492360435df770ef4efb080d58b00fd7"
2026-07-25 20:58.16: Waiting for resource in pool OCluster
2026-07-27 17:46.59: Waiting for worker…
2026-07-27 17:52.07: 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: 510B done
#1 DONE 0.1s

#2 resolve image config for docker-image://docker.io/docker/dockerfile:1
#2 DONE 0.1s

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

#4 [internal] load metadata for docker.io/ocurrent/opam-staging@sha256:62f6ca6ac839c61996e57d7831145d97492360435df770ef4efb080d58b00fd7
#4 DONE 0.0s

#5 [internal] load .dockerignore
#5 transferring context: 2B done
#5 DONE 0.1s

#6 [1/5] FROM docker.io/ocurrent/opam-staging@sha256:62f6ca6ac839c61996e57d7831145d97492360435df770ef4efb080d58b00fd7
#6 CACHED

#7 [internal] load build context
#7 transferring context: 510B done
#7 DONE 0.1s

#8 [2/5] RUN opam switch create 4.11 --packages=ocaml-variants.4.11.2+flambda
#8 0.710 
#8 0.710 <><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><>
#8 0.710 Switch invariant: ["ocaml-variants" {= "4.11.2+flambda"}]
#8 6.083 
#8 6.083 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#8 8.473 -> installed base-bigarray.base
#8 8.483 -> installed base-threads.base
#8 8.483 -> installed base-unix.base
#8 8.897 -> retrieved ocaml-config.1  (2 extra sources)
#8 9.227 -> retrieved ocaml-variants.4.11.2+flambda  (https://opam.ocaml.org/cache)
#8 200.6 -> installed ocaml-variants.4.11.2+flambda
#8 200.7 -> installed ocaml-config.1
#8 200.7 -> installed ocaml.4.11.2
#8 201.9 Done.
#8 201.9 # Run eval $(opam env --switch=4.11) to update the current shell environment
#8 DONE 210.1s

#9 [3/5] RUN opam pin add -k version ocaml-variants 4.11.2+flambda
#9 0.656 ocaml-variants is now pinned to version 4.11.2+flambda
#9 0.656 
#9 5.990 No package build needed.
#9 5.990 Nothing to do.
#9 5.991 # Run eval $(opam env) to update the current shell environment
#9 DONE 6.1s

#10 [4/5] RUN opam install -y opam-depext
#10 6.352 The following actions will be performed:
#10 6.352   - install opam-depext 1.2.3
#10 6.353 
#10 6.353 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#10 6.959 -> retrieved opam-depext.1.2.3  (https://opam.ocaml.org/cache)
#10 9.505 -> installed opam-depext.1.2.3
#10 9.508 Done.
#10 9.516 
#10 9.516 <><> opam-depext.1.2.3 installed successfully <><><><><><><><><><><><><><><><><>
#10 9.516 => opam-depext is unnecessary when used with opam >= 2.1. Please use opam install directly instead
#10 9.516 # Run eval $(opam env) to update the current shell environment
#10 DONE 10.7s

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

#12 exporting to image
#12 exporting layers
#12 exporting layers 1.3s done
#12 writing image sha256:da5d13a689ba1260fa7eb16646ab00d6a9118fb474e4e4baa3262782e85f814f done
#12 DONE 1.3s

 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:da5d13a689ba1260fa7eb16646ab00d6a9118fb474e4e4baa3262782e85f814f" 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: sha256:7ce94aeea270c213004405829f7ef0eaab858f647f951728692002b5679955f8 size: 9495
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debian-13-ocaml-4.11-flambda-s390x: digest: sha256:7ce94aeea270c213004405829f7ef0eaab858f647f951728692002b5679955f8 size: 9495
Job succeeded
2026-07-27 17:57.11: Job succeeded