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-5.5-no-flat-float-array-s390x

Dockerfile:

# syntax=docker/dockerfile:1

FROM ocurrent/opam-staging@sha256:62f6ca6ac839c61996e57d7831145d97492360435df770ef4efb080d58b00fd7
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 --packages=ocaml-variants.5.5.0+options,ocaml-options-only-no-flat-float-array
RUN opam pin add -k version ocaml-variants 5.5.0+options
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 "5.5.0+no-flat-float-array-s390x-ocurrent/opam-staging@sha256:62f6ca6ac839c61996e57d7831145d97492360435df770ef4efb080d58b00fd7"
2026-07-25 20:58.16: Waiting for resource in pool OCluster
2026-07-27 18:08.20: Waiting for worker…
2026-07-27 18:11.55: 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: 708B 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@sha256:62f6ca6ac839c61996e57d7831145d97492360435df770ef4efb080d58b00fd7
#4 DONE 0.0s

#5 [internal] load .dockerignore
#5 transferring context:
#5 transferring context: 2B done
#5 DONE 0.4s

#6 [1/8] FROM docker.io/ocurrent/opam-staging@sha256:62f6ca6ac839c61996e57d7831145d97492360435df770ef4efb080d58b00fd7
#6 DONE 0.0s

#7 [2/8] RUN apt-get -y update
#7 CACHED

#8 [3/8] RUN DEBIAN_FRONTEND=noninteractive apt-get -y upgrade
#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: 708B done
#10 DONE 0.2s

#11 [5/8] RUN opam switch create 5.5 --packages=ocaml-variants.5.5.0+options,ocaml-options-only-no-flat-float-array
#11 0.772 
#11 0.772 <><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><>
#11 0.772 Switch invariant: [
#11 0.772   "ocaml-variants" {= "5.5.0+options"}
#11 0.772   "ocaml-options-only-no-flat-float-array"
#11 0.772 ]
#11 5.969 
#11 5.969 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#11 8.379 -> installed base-bigarray.base
#11 8.380 -> installed base-threads.base
#11 8.381 -> installed base-unix.base
#11 8.404 -> installed compiler-cloning.enabled
#11 8.404 -> installed ocaml-option-bytecode-only.1
#11 8.404 -> installed ocaml-option-no-flat-float-array.1
#11 8.404 -> installed ocaml-options-only-no-flat-float-array.1+bytecode-only
#11 8.405 -> retrieved ocaml.5.5.0  (https://opam.ocaml.org/cache)
#11 8.638 -> retrieved ocaml-compiler.5.5.0  (https://opam.ocaml.org/cache)
#11 119.8 -> installed ocaml-compiler.5.5.0
#11 119.8 -> installed ocaml-variants.5.5.0+options
#11 120.0 -> installed ocaml.5.5.0
#11 120.0 -> installed base-domains.base
#11 120.0 -> installed base-effects.base
#11 120.0 -> installed base-nnp.base
#11 120.2 Done.
#11 120.2 
#11 120.2 <><> ocaml-compiler.5.5.0 installed successfully ><><><><><><><><><><><><><><><>
#11 120.2 => This switch had to be compiled from sources, but future switches with the 🐌
#11 120.2    same compiler version and configuration should assemble instantly.
#11 120.2 # Run eval $(opam env --switch=5.5) to update the current shell environment
#11 DONE 123.1s

#12 [6/8] RUN opam pin add -k version ocaml-variants 5.5.0+options
#12 0.773 ocaml-variants is now pinned to version 5.5.0+options
#12 0.773 
#12 6.242 No package build needed.
#12 6.242 Nothing to do.
#12 6.243 # Run eval $(opam env) to update the current shell environment
#12 DONE 6.4s

#13 [7/8] RUN opam install -y opam-depext
#13 6.338 The following actions will be performed:
#13 6.338   - install opam-depext 1.2.3
#13 6.338 
#13 6.338 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#13 7.025 -> retrieved opam-depext.1.2.3  (https://opam.ocaml.org/cache)
#13 11.55 -> installed opam-depext.1.2.3
#13 11.58 Done.
#13 11.58 
#13 11.58 <><> opam-depext.1.2.3 installed successfully <><><><><><><><><><><><><><><><><>
#13 11.58 => opam-depext is unnecessary when used with opam >= 2.1. Please use opam install directly instead
#13 11.58 # Run eval $(opam env) to update the current shell environment
#13 DONE 13.5s

#14 [8/8] COPY --link [ Dockerfile, /Dockerfile.ocaml ]
#14 DONE 0.3s

#15 exporting to image
#15 exporting layers
#15 exporting layers 0.6s done
#15 writing image sha256:4119e5d8ab718237ee855838b161faec3f10e566a413dc6792f136fd24937ee6 done
#15 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 14)
Pushing "sha256:4119e5d8ab718237ee855838b161faec3f10e566a413dc6792f136fd24937ee6" to "ocurrent/opam-staging:debian-13-ocaml-5.5-no-flat-float-array-s390x" as user "ocurrentbuilder"
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Job succeeded
2026-07-27 18:14.41: Job succeeded