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-5.5-beta1-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 5.5~beta1 --packages=ocaml-variants.5.5.0~beta1+options,ocaml-options-only-no-flat-float-array
RUN opam pin add -k version ocaml-variants 5.5.0~beta1+options
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 "5.5.0~beta1+no-flat-float-array-s390x-ocurrent/opam-staging@sha256:a2abf01ad31ec479bc6fd7cfa7cc97388b95d1c0e03873810bb7f3350dd053fe"
2026-06-06 15:09.41: Waiting for worker…
2026-06-06 15:09.41: 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: 814B 0.0s 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@sha256:87999aa3d42bdc6bea60565083ee17e86d1f3339802f543c0d03998580f9cb89
#3 CACHED

#4 [internal] load metadata for docker.io/ocurrent/opam-staging@sha256:a2abf01ad31ec479bc6fd7cfa7cc97388b95d1c0e03873810bb7f3350dd053fe
#4 DONE 0.0s

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

#6 [1/9] FROM docker.io/ocurrent/opam-staging@sha256:a2abf01ad31ec479bc6fd7cfa7cc97388b95d1c0e03873810bb7f3350dd053fe
#6 DONE 0.0s

#7 [2/9] RUN opam repo add beta git+https://github.com/ocaml/ocaml-beta-repository --set-default
#7 CACHED

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

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

#10 [5/9] RUN DEBIAN_FRONTEND=noninteractive apt-get -y install libzstd-dev
#10 CACHED

#11 [internal] load build context
#11 transferring context: 814B done
#11 DONE 0.1s

#12 [6/9] RUN opam switch create 5.5~beta1 --packages=ocaml-variants.5.5.0~beta1+options,ocaml-options-only-no-flat-float-array
#12 0.579 
#12 0.579 <><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><>
#12 0.579 Switch invariant: [
#12 0.579   "ocaml-variants" {= "5.5.0~beta1+options"}
#12 0.579   "ocaml-options-only-no-flat-float-array"
#12 0.579 ]
#12 5.503 
#12 5.503 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#12 7.657 -> installed base-bigarray.base
#12 7.657 -> installed base-threads.base
#12 7.658 -> installed base-unix.base
#12 7.658 -> installed compiler-cloning.enabled
#12 7.659 -> installed ocaml-option-bytecode-only.1
#12 7.659 -> installed ocaml-option-no-flat-float-array.1
#12 7.663 -> installed ocaml-options-only-no-flat-float-array.1+bytecode-only
#12 7.672 -> retrieved ocaml.5.5.0  (https://opam.ocaml.org/cache)
#12 7.865 -> retrieved ocaml-compiler.5.5.0~beta1  (https://opam.ocaml.org/cache)
#12 109.7 -> installed ocaml-compiler.5.5.0~beta1
#12 109.7 -> installed ocaml-variants.5.5.0~beta1+options
#12 109.8 -> installed ocaml.5.5.0
#12 109.8 -> installed base-domains.base
#12 109.8 -> installed base-effects.base
#12 109.8 -> installed base-nnp.base
#12 109.9 Done.
#12 109.9 
#12 109.9 <><> ocaml-compiler.5.5.0~beta1 installed successfully ><><><><><><><><><><><><>
#12 109.9 => This switch had to be compiled from sources, but future switches with the 🐌
#12 109.9    same compiler version and configuration should assemble instantly.
#12 109.9 # Run eval $(opam env --switch=5.5~beta1) to update the current shell environment
#12 DONE 112.3s

#13 [7/9] RUN opam pin add -k version ocaml-variants 5.5.0~beta1+options
#13 0.857 ocaml-variants is now pinned to version 5.5.0~beta1+options
#13 0.857 
#13 6.129 No package build needed.
#13 6.129 Nothing to do.
#13 6.130 # Run eval $(opam env) to update the current shell environment
#13 DONE 6.2s

#14 [8/9] RUN opam install -y opam-depext
#14 6.119 The following actions will be performed:
#14 6.119   - install opam-depext 1.2.3
#14 6.119 
#14 6.119 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#14 6.735 -> retrieved opam-depext.1.2.3  (https://opam.ocaml.org/cache)
#14 10.55 -> installed opam-depext.1.2.3
#14 10.56 Done.
#14 10.56 
#14 10.56 <><> opam-depext.1.2.3 installed successfully <><><><><><><><><><><><><><><><><>
#14 10.56 => opam-depext is unnecessary when used with opam >= 2.1. Please use opam install directly instead
#14 10.56 # Run eval $(opam env) to update the current shell environment
#14 DONE 11.5s

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

#16 exporting to image
#16 exporting layers
#16 exporting layers 0.5s done
#16 writing image sha256:ddaad15d5ab0eca8d38f9109aed1b49d33b0dccdd875bff9fe33199a61ed757d done
#16 DONE 0.5s

 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:ddaad15d5ab0eca8d38f9109aed1b49d33b0dccdd875bff9fe33199a61ed757d" to "ocurrent/opam-staging:debian-13-ocaml-5.5-beta1-no-flat-float-array-s390x" as user "ocurrentbuilder"
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debian-13-ocaml-5.5-beta1-no-flat-float-array-s390x: digest: sha256:a4aeb2d71bf1652160a77801127aa824db05186dacbb66ebd5acbc9a297336f4 size: 10332
Job succeeded
2026-06-06 15:12.36: Job succeeded