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-5.4-s390x

Dockerfile:

# syntax=docker/dockerfile:1

FROM ocurrent/opam-staging@sha256:fe5bda8b21f5d07ddd78330eae0244dba9353767bcd2b30b4fcdfe380e1e5ce8
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 5.4 --packages=ocaml-base-compiler.5.4.1
RUN opam pin add -k version ocaml-base-compiler 5.4.1
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 "5.4.1-s390x-ocurrent/opam-staging@sha256:fe5bda8b21f5d07ddd78330eae0244dba9353767bcd2b30b4fcdfe380e1e5ce8"
2026-06-27 23:13.52: Waiting for resource in pool OCluster
2026-06-28 01:57.50: Waiting for worker…
2026-06-28 02:05.34: 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: 663B done
#1 DONE 0.5s

#2 resolve image config for docker-image://docker.io/docker/dockerfile:1
#2 DONE 0.3s

#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:
#5 transferring context: 2B done
#5 DONE 0.2s

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

#7 [1/8] FROM docker.io/ocurrent/opam-staging@sha256:fe5bda8b21f5d07ddd78330eae0244dba9353767bcd2b30b4fcdfe380e1e5ce8
#7 resolve docker.io/ocurrent/opam-staging@sha256:fe5bda8b21f5d07ddd78330eae0244dba9353767bcd2b30b4fcdfe380e1e5ce8
#7 resolve docker.io/ocurrent/opam-staging@sha256:fe5bda8b21f5d07ddd78330eae0244dba9353767bcd2b30b4fcdfe380e1e5ce8 0.9s done
#7 DONE 0.9s

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

#9 [2/8] RUN apt-get -y update
#9 CACHED

#10 [4/8] RUN DEBIAN_FRONTEND=noninteractive apt-get -y install libzstd-dev
#10 CACHED

#11 [5/8] RUN opam switch create 5.4 --packages=ocaml-base-compiler.5.4.1
#11 1.371 
#11 1.371 <><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><>
#11 1.371 Switch invariant: ["ocaml-base-compiler" {= "5.4.1"}]
#11 9.179 
#11 9.179 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#11 15.03 -> installed base-bigarray.base
#11 15.03 -> installed base-threads.base
#11 15.03 -> installed base-unix.base
#11 15.03 -> installed ocaml-options-vanilla.1
#11 15.44 -> retrieved ocaml-config.3  (2 extra sources)
#11 16.63 -> retrieved ocaml-compiler.5.4.1  (https://opam.ocaml.org/cache)
#11 252.9 -> installed ocaml-compiler.5.4.1
#11 253.1 -> installed ocaml-base-compiler.5.4.1
#11 253.1 -> installed ocaml-config.3
#11 253.3 -> installed ocaml.5.4.1
#11 253.3 -> installed base-domains.base
#11 253.3 -> installed base-effects.base
#11 253.3 -> installed base-nnp.base
#11 253.6 Done.
#11 253.6 # Run eval $(opam env --switch=5.4) to update the current shell environment
#11 DONE 285.4s

#12 [6/8] RUN opam pin add -k version ocaml-base-compiler 5.4.1
#12 1.386 ocaml-base-compiler is now pinned to version 5.4.1
#12 1.386 
#12 9.105 No package build needed.
#12 9.105 Nothing to do.
#12 9.106 # Run eval $(opam env) to update the current shell environment
#12 DONE 9.6s

#13 [7/8] RUN opam install -y opam-depext
#13 9.850 The following actions will be performed:
#13 9.850   - install opam-depext 1.2.3
#13 9.850 
#13 9.850 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#13 11.06 -> retrieved opam-depext.1.2.3  (https://opam.ocaml.org/cache)
#13 15.39 -> installed opam-depext.1.2.3
#13 15.40 Done.
#13 15.40 
#13 15.40 <><> opam-depext.1.2.3 installed successfully <><><><><><><><><><><><><><><><><>
#13 15.40 => opam-depext is unnecessary when used with opam >= 2.1. Please use opam install directly instead
#13 15.40 # Run eval $(opam env) to update the current shell environment
#13 DONE 18.6s

#14 [8/8] COPY --link [ Dockerfile, /Dockerfile.ocaml ]
#14 DONE 0.5s

#15 exporting to image
#15 exporting layers
#15 exporting layers 2.0s done
#15 writing image sha256:ef31a22f90f50a69b143ebdeedf6176939fd69cf17b60a1e44472fb860015d3f done
#15 DONE 2.0s

 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:ef31a22f90f50a69b143ebdeedf6176939fd69cf17b60a1e44472fb860015d3f" to "ocurrent/opam-staging:debian-13-ocaml-5.4-s390x" as user "ocurrentbuilder"
Login Succeeded
The push refers to repository [docker.io/ocurrent/opam-staging]
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debian-13-ocaml-5.4-s390x: digest: sha256:e3a3f69da26b65ac8104338769781e2a690d2453aaa485865600fe44a582b8bb size: 10121
The push refers to repository [docker.io/ocurrent/opam-staging]
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Job succeeded
2026-06-28 02:11.34: Job succeeded