2026-01-09 19:29.26: New job: Build using linux-s390x in
                                []
2026-01-09 19:29.26: Will push staging image to ocurrent/opam-staging:debian-13-ocaml-5.3-s390x

Dockerfile:

# syntax=docker/dockerfile:1

FROM ocurrent/opam-staging@sha256:f3affdf513a06dd16ae03c72ef85fd6a619c1133066412eb5937526105e6ae05
ENV OPAMYES="1" OPAMCONFIRMLEVEL="unsafe-yes" OPAMERRLOGLEN="0" OPAMPRECISETRACKING="1"
USER root
RUN apt-get -y update
RUN DEBIAN_FRONTEND=noninteractive apt-get -y upgrade
RUN DEBIAN_FRONTEND=noninteractive apt-get -y install libzstd-dev
USER opam
RUN opam switch create 5.3 --packages=ocaml-base-compiler.5.3.0
RUN opam pin add -k version ocaml-base-compiler 5.3.0
RUN opam install -y opam-depext
ENTRYPOINT [ "opam", "exec", "--" ]
CMD bash
COPY --link [ "Dockerfile", "/Dockerfile.ocaml" ]


2026-01-09 19:29.26: Using cache hint "5.3.0-s390x-ocurrent/opam-staging@sha256:f3affdf513a06dd16ae03c72ef85fd6a619c1133066412eb5937526105e6ae05"
2026-01-09 19:29.26: Waiting for resource in pool OCluster
2026-01-11 04:35.12: Waiting for worker…
2026-01-11 04:38.01: 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: 663B done
#1 DONE 0.1s

#2 resolve image config for docker-image://docker.io/docker/dockerfile:1
#2 DONE 0.2s

#3 docker-image://docker.io/docker/dockerfile:1@sha256:b6afd42430b15f2d2a4c5a02b919e98a525b785b1aaff16747d2f623364e39b6
#3 CACHED

#4 [internal] load metadata for docker.io/ocurrent/opam-staging@sha256:f3affdf513a06dd16ae03c72ef85fd6a619c1133066412eb5937526105e6ae05
#4 DONE 0.0s

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

#6 [1/8] FROM docker.io/ocurrent/opam-staging@sha256:f3affdf513a06dd16ae03c72ef85fd6a619c1133066412eb5937526105e6ae05
#6 DONE 0.0s

#7 [3/8] RUN DEBIAN_FRONTEND=noninteractive apt-get -y upgrade
#7 CACHED

#8 [2/8] RUN apt-get -y update
#8 CACHED

#9 [4/8] RUN DEBIAN_FRONTEND=noninteractive apt-get -y install libzstd-dev
#9 CACHED

#10 [internal] load build context
#10 transferring context:
#10 transferring context: 663B done
#10 DONE 0.2s

#11 [5/8] RUN opam switch create 5.3 --packages=ocaml-base-compiler.5.3.0
#11 3.698 
#11 3.698 <><> Gathering sources ><><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#11 4.098 [ocaml-config.3/gen_ocaml_config.ml.in] downloaded from https://opam.ocaml.org/cache
#11 4.447 [ocaml-config.3/ocaml-config.install] downloaded from https://opam.ocaml.org/cache
#11 4.935 [ocaml-compiler.5.3.0] downloaded from cache at https://opam.ocaml.org/cache
#11 5.775 [ocaml-compiler.5.3.0/ocaml-compiler.install] downloaded from https://opam.ocaml.org/cache
#11 5.776 
#11 5.776 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#11 5.956 -> installed base-bigarray.base
#11 5.957 -> installed base-threads.base
#11 5.999 -> installed base-unix.base
#11 6.000 -> installed ocaml-options-vanilla.1
#11 186.6 -> installed ocaml-compiler.5.3.0
#11 186.7 -> installed ocaml-base-compiler.5.3.0
#11 186.7 -> installed ocaml-config.3
#11 186.8 -> installed ocaml.5.3.0
#11 186.9 -> installed base-domains.base
#11 186.9 -> installed base-effects.base
#11 186.9 -> installed base-nnp.base
#11 187.2 Done.
#11 187.2 # Run eval $(opam env) to update the current shell environment
#11 DONE 190.5s

#12 [6/8] RUN opam pin add -k version ocaml-base-compiler 5.3.0
#12 0.821 ocaml-base-compiler is now pinned to version 5.3.0
#12 0.821 
#12 3.636 No package build needed.
#12 3.636 Nothing to do.
#12 3.637 # Run eval $(opam env) to update the current shell environment
#12 DONE 3.7s

#13 [7/8] RUN opam install -y opam-depext
#13 3.829 The following actions will be performed:
#13 3.829   - install opam-depext 1.2.3
#13 3.829 
#13 3.829 <><> Gathering sources ><><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#13 4.498 [opam-depext.1.2.3] downloaded from cache at https://opam.ocaml.org/cache
#13 4.511 
#13 4.511 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#13 5.792 -> installed opam-depext.1.2.3
#13 5.799 Done.
#13 5.799 # Run eval $(opam env) to update the current shell environment
#13 DONE 6.9s

#14 [8/8] COPY --link [ Dockerfile, /Dockerfile.ocaml ]
#14 DONE 0.1s

#15 exporting to image
#15 exporting layers
#15 exporting layers 1.0s done
#15 writing image sha256:e517e5719730fd15cc0837784d67fcf2eb62c0876bb10aca158c9ad8f55d7bc2 0.0s done
#15 DONE 1.0s

 1 warning found (use docker --debug to expand):
 - JSONArgsRecommended: JSON arguments recommended for CMD to prevent unintended behavior related to OS signals (line 14)
Pushing "sha256:e517e5719730fd15cc0837784d67fcf2eb62c0876bb10aca158c9ad8f55d7bc2" to "ocurrent/opam-staging:debian-13-ocaml-5.3-s390x" as user "ocurrentbuilder"
Login Succeeded
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debian-13-ocaml-5.3-s390x: digest: sha256:e02cf56210ab2e61d7ca2fffd607d1cde4c2a14715fa4d8ffda999f1a04a55cd size: 10340
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Job succeeded
2026-01-11 04:42.00: Job succeeded