2026-06-06 07:23.47: New job: Build using linux-s390x in
                                []
2026-06-06 07:23.47: Will push staging image to ocurrent/opam-staging:debian-13-ocaml-5.6-no-flat-float-array-s390x

Dockerfile:

# syntax=docker/dockerfile:1

FROM ocurrent/opam-staging@sha256:a2abf01ad31ec479bc6fd7cfa7cc97388b95d1c0e03873810bb7f3350dd053fe
RUN opam repo add beta git+https://github.com/ocaml/ocaml-beta-repository --set-default
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 5.6 --packages=ocaml-variants.5.6.0+trunk,ocaml-options-only-no-flat-float-array
RUN opam pin add -k version ocaml-variants 5.6.0+trunk
RUN opam install -y opam-depext
ENTRYPOINT [ "opam", "exec", "--" ]
CMD bash
COPY --link [ "Dockerfile", "/Dockerfile.ocaml" ]


2026-06-06 07:23.47: Using cache hint "5.6.0+no-flat-float-array-s390x-ocurrent/opam-staging@sha256:a2abf01ad31ec479bc6fd7cfa7cc97388b95d1c0e03873810bb7f3350dd053fe"
2026-06-06 15:05.19: Waiting for worker…
2026-06-06 15:05.23: 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: 792B 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:a2abf01ad31ec479bc6fd7cfa7cc97388b95d1c0e03873810bb7f3350dd053fe
#4 DONE 0.0s

#5 [1/9] FROM docker.io/ocurrent/opam-staging@sha256:a2abf01ad31ec479bc6fd7cfa7cc97388b95d1c0e03873810bb7f3350dd053fe
#5 DONE 0.0s

#6 [2/9] RUN opam repo add beta git+https://github.com/ocaml/ocaml-beta-repository --set-default
#6 CACHED

#7 [4/9] RUN DEBIAN_FRONTEND=noninteractive apt-get -y upgrade
#7 CACHED

#8 [3/9] RUN apt-get -y update
#8 CACHED

#9 [5/9] RUN DEBIAN_FRONTEND=noninteractive apt-get -y install libzstd-dev
#9 CACHED

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

#11 [internal] load build context
#11 transferring context: 792B done
#11 DONE 0.1s

#12 [6/9] RUN opam switch create 5.6 --packages=ocaml-variants.5.6.0+trunk,ocaml-options-only-no-flat-float-array
#12 0.699 
#12 0.699 <><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><>
#12 0.699 Switch invariant: ["ocaml-variants" {= "5.6.0+trunk"} "ocaml-options-only-no-flat-float-array"]
#12 5.760 
#12 5.760 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#12 8.036 -> installed base-bigarray.base
#12 8.036 -> installed base-threads.base
#12 8.045 -> installed base-unix.base
#12 8.045 -> installed host-arch-s390x.1
#12 8.046 -> installed host-system-other.1
#12 8.047 -> installed ocaml-option-bytecode-only.1
#12 8.047 -> installed ocaml-option-no-flat-float-array.1
#12 8.047 -> installed ocaml-options-only-no-flat-float-array.1+bytecode-only
#12 8.064 -> retrieved ocaml.5.6.0  (https://opam.ocaml.org/cache)
#12 8.282 -> retrieved ocaml-compiler.5.6  (https://github.com/ocaml/ocaml/archive/trunk.tar.gz)
#12 123.2 -> installed ocaml-compiler.5.6
#12 123.2 -> installed ocaml-variants.5.6.0+trunk
#12 123.3 -> installed ocaml.5.6.0
#12 123.3 -> installed base-domains.base
#12 123.3 -> installed base-effects.base
#12 123.3 -> installed base-nnp.base
#12 123.5 Done.
#12 123.5 # Run eval $(opam env --switch=5.6) to update the current shell environment
#12 DONE 127.2s

#13 [7/9] RUN opam pin add -k version ocaml-variants 5.6.0+trunk
#13 0.699 ocaml-variants is now pinned to version 5.6.0+trunk
#13 0.699 
#13 5.943 Already up-to-date.
#13 5.943 Nothing to do.
#13 5.943 # Run eval $(opam env) to update the current shell environment
#13 DONE 6.2s

#14 [8/9] RUN opam install -y opam-depext
#14 5.987 The following actions will be performed:
#14 5.987   - install opam-depext 1.2.3
#14 5.987 
#14 5.987 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#14 6.602 -> retrieved opam-depext.1.2.3  (https://opam.ocaml.org/cache)
#14 11.02 -> installed opam-depext.1.2.3
#14 11.11 Done.
#14 11.11 
#14 11.11 <><> opam-depext.1.2.3 installed successfully <><><><><><><><><><><><><><><><><>
#14 11.11 => opam-depext is unnecessary when used with opam >= 2.1. Please use opam install directly instead
#14 11.11 # Run eval $(opam env) to update the current shell environment
#14 DONE 12.2s

#15 [9/9] COPY --link [ Dockerfile, /Dockerfile.ocaml ]
#15 DONE 0.1s

#16 exporting to image
#16 exporting layers
#16 exporting layers 0.6s done
#16 writing image sha256:38719462b52557518873b3ff31c595aeb7940c287db95232c3476bd7307e46a0 done
#16 DONE 0.6s

 1 warning found (use docker --debug to expand):
 - JSONArgsRecommended: JSON arguments recommended for CMD to prevent unintended behavior related to OS signals (line 15)
Pushing "sha256:38719462b52557518873b3ff31c595aeb7940c287db95232c3476bd7307e46a0" to "ocurrent/opam-staging:debian-13-ocaml-5.6-no-flat-float-array-s390x" as user "ocurrentbuilder"
Login Succeeded
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debian-13-ocaml-5.6-no-flat-float-array-s390x: digest: sha256:e78f496271d0fe23052dda3319b2dd37eb46484985418891263a6d7bf622d51c size: 10332
Job succeeded
2026-06-06 15:08.09: Job succeeded