2026-07-25 19:02.30: New job: Build using linux-s390x in
                                []
2026-07-25 19:02.30: Will push staging image to ocurrent/opam-staging:ubuntu-25.04-ocaml-4.14-s390x

Dockerfile:

# syntax=docker/dockerfile:1

FROM ocurrent/opam-staging@sha256:25f517776b333e6c0beabb7f2391b32b0b32e2788fb35b5b08d1ef62fa0c3a8f
ENV OPAMYES="1" OPAMCONFIRMLEVEL="unsafe-yes" OPAMERRLOGLEN="0" OPAMPRECISETRACKING="1"
RUN opam switch create 4.14 --packages=ocaml-base-compiler.4.14.4
RUN opam pin add -k version ocaml-base-compiler 4.14.4
RUN opam install -y opam-depext
ENTRYPOINT [ "opam", "exec", "--" ]
CMD bash
COPY --link [ "Dockerfile", "/Dockerfile.ocaml" ]


2026-07-25 19:02.30: Using cache hint "4.14.4-s390x-ocurrent/opam-staging@sha256:25f517776b333e6c0beabb7f2391b32b0b32e2788fb35b5b08d1ef62fa0c3a8f"
2026-07-25 19:02.30: Waiting for resource in pool OCluster
2026-07-27 02:58.08: Waiting for worker…
2026-07-27 08:17.12: 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: 504B 0.0s done
#1 DONE 0.7s

#2 resolve image config for docker-image://docker.io/docker/dockerfile:1
#2 DONE 0.8s

#3 docker-image://docker.io/docker/dockerfile:1@sha256:87999aa3d42bdc6bea60565083ee17e86d1f3339802f543c0d03998580f9cb89
#3 CACHED

#4 [internal] load metadata for docker.io/ocurrent/opam-staging@sha256:25f517776b333e6c0beabb7f2391b32b0b32e2788fb35b5b08d1ef62fa0c3a8f
#4 DONE 1.8s

#5 [internal] load .dockerignore
#5 transferring context:
#5 transferring context: 2B done
#5 DONE 0.2s

#6 [1/5] FROM docker.io/ocurrent/opam-staging@sha256:25f517776b333e6c0beabb7f2391b32b0b32e2788fb35b5b08d1ef62fa0c3a8f
#6 CACHED

#7 [internal] load build context
#7 transferring context: 504B done
#7 DONE 0.2s

#8 [2/5] RUN opam switch create 4.14 --packages=ocaml-base-compiler.4.14.4
#8 2.368 
#8 2.368 <><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><>
#8 2.368 Switch invariant: ["ocaml-base-compiler" {= "4.14.4"}]
#8 8.695 
#8 8.695 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#8 12.24 -> installed base-bigarray.base
#8 12.24 -> installed base-threads.base
#8 12.24 -> installed base-unix.base
#8 12.26 -> installed ocaml-options-vanilla.1
#8 12.72 -> retrieved ocaml-config.2  (2 extra sources)
#8 13.05 -> retrieved ocaml-base-compiler.4.14.4  (https://opam.ocaml.org/cache)
#8 166.8 -> installed ocaml-base-compiler.4.14.4
#8 166.8 -> installed ocaml-config.2
#8 166.8 -> installed ocaml.4.14.4
#8 167.2 Done.
#8 167.2 # Run eval $(opam env --switch=4.14) to update the current shell environment
#8 DONE 173.4s

#9 [3/5] RUN opam pin add -k version ocaml-base-compiler 4.14.4
#9 0.912 ocaml-base-compiler is now pinned to version 4.14.4
#9 0.912 
#9 7.227 No package build needed.
#9 7.227 Nothing to do.
#9 7.228 # Run eval $(opam env) to update the current shell environment
#9 DONE 7.3s

#10 [4/5] RUN opam install -y opam-depext
#10 7.497 The following actions will be performed:
#10 7.497   - install opam-depext 1.2.3
#10 7.498 
#10 7.498 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#10 8.252 -> retrieved opam-depext.1.2.3  (https://opam.ocaml.org/cache)
#10 9.785 -> installed opam-depext.1.2.3
#10 9.788 Done.
#10 9.789 
#10 9.789 <><> opam-depext.1.2.3 installed successfully <><><><><><><><><><><><><><><><><>
#10 9.789 => opam-depext is unnecessary when used with opam >= 2.1. Please use opam install directly instead
#10 9.789 # Run eval $(opam env) to update the current shell environment
#10 DONE 10.7s

#11 [5/5] COPY --link [ Dockerfile, /Dockerfile.ocaml ]
#11 DONE 0.1s

#12 exporting to image
#12 exporting layers
#12 exporting layers 3.8s done
#12 writing image sha256:04e5c5f1d754143509540ddfe89dc3b96cacb75e927581443a6c653053d97936 done
#12 DONE 3.8s

 1 warning found (use docker --debug to expand):
 - JSONArgsRecommended: JSON arguments recommended for CMD to prevent unintended behavior related to OS signals (line 9)
Pushing "sha256:04e5c5f1d754143509540ddfe89dc3b96cacb75e927581443a6c653053d97936" to "ocurrent/opam-staging:ubuntu-25.04-ocaml-4.14-s390x" as user "ocurrentbuilder"
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ubuntu-25.04-ocaml-4.14-s390x: digest: sha256:95c89246af2b7bca59eb39caa5b9e6a78359489a94d44f373b4e0dfd9854fc2f size: 9501
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ubuntu-25.04-ocaml-4.14-s390x: digest: sha256:95c89246af2b7bca59eb39caa5b9e6a78359489a94d44f373b4e0dfd9854fc2f size: 9501
Job succeeded
2026-07-27 08:21.11: Job succeeded