2026-06-06 07:08.18: New job: Build using linux-s390x in
                                []
2026-06-06 07:08.18: Will push staging image to ocurrent/opam-staging:ubuntu-24.04-ocaml-5.4-s390x

Dockerfile:

# syntax=docker/dockerfile:1

FROM ocurrent/opam-staging@sha256:43099f3d00b8e31e513d4d0481a39ab07cc326d37e73057cbd08838da378c515
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" ]


2026-06-06 07:08.18: Using cache hint "5.4.1-s390x-ocurrent/opam-staging@sha256:43099f3d00b8e31e513d4d0481a39ab07cc326d37e73057cbd08838da378c515"
2026-06-06 12:49.00: Waiting for worker…
2026-06-06 12:51.24: 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: 663B done
#1 DONE 0.1s

#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@sha256:43099f3d00b8e31e513d4d0481a39ab07cc326d37e73057cbd08838da378c515
#4 DONE 0.0s

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

#6 [1/8] FROM docker.io/ocurrent/opam-staging@sha256:43099f3d00b8e31e513d4d0481a39ab07cc326d37e73057cbd08838da378c515
#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: 663B done
#10 DONE 0.1s

#11 [5/8] RUN opam switch create 5.4 --packages=ocaml-base-compiler.5.4.1
#11 0.673 
#11 0.673 <><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><>
#11 0.673 Switch invariant: ["ocaml-base-compiler" {= "5.4.1"}]
#11 6.281 
#11 6.281 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#11 7.338 -> installed base-bigarray.base
#11 7.339 -> installed base-threads.base
#11 7.339 -> installed base-unix.base
#11 7.340 -> installed ocaml-options-vanilla.1
#11 7.856 -> retrieved ocaml-config.3  (2 extra sources)
#11 8.106 -> retrieved ocaml-compiler.5.4.1  (https://opam.ocaml.org/cache)
#11 ...

#6 [1/8] FROM docker.io/ocurrent/opam-staging@sha256:43099f3d00b8e31e513d4d0481a39ab07cc326d37e73057cbd08838da378c515
#6 CACHED

#11 [5/8] RUN opam switch create 5.4 --packages=ocaml-base-compiler.5.4.1
#11 197.0 -> installed ocaml-compiler.5.4.1
#11 197.0 -> installed ocaml-base-compiler.5.4.1
#11 197.0 -> installed ocaml-config.3
#11 197.1 -> installed ocaml.5.4.1
#11 197.1 -> installed base-domains.base
#11 197.1 -> installed base-effects.base
#11 197.1 -> installed base-nnp.base
#11 197.3 Done.
#11 197.3 # Run eval $(opam env --switch=5.4) to update the current shell environment
#11 DONE 202.2s

#12 [6/8] RUN opam pin add -k version ocaml-base-compiler 5.4.1
#12 0.744 ocaml-base-compiler is now pinned to version 5.4.1
#12 0.744 
#12 6.713 No package build needed.
#12 6.713 Nothing to do.
#12 6.713 # Run eval $(opam env) to update the current shell environment
#12 DONE 6.9s

#13 [7/8] RUN opam install -y opam-depext
#13 6.759 The following actions will be performed:
#13 6.760   - install opam-depext 1.2.3
#13 6.760 
#13 6.760 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#13 7.381 -> retrieved opam-depext.1.2.3  (https://opam.ocaml.org/cache)
#13 9.985 -> installed opam-depext.1.2.3
#13 9.991 Done.
#13 9.991 
#13 9.991 <><> opam-depext.1.2.3 installed successfully <><><><><><><><><><><><><><><><><>
#13 9.991 => opam-depext is unnecessary when used with opam >= 2.1. Please use opam install directly instead
#13 9.991 # Run eval $(opam env) to update the current shell environment
#13 DONE 11.7s

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

#15 exporting to image
#15 exporting layers
#15 exporting layers 1.2s done
#15 writing image sha256:2bea88185e8bc26f359e77dbeb321dabcc6924d339cd89db6ac83be4fdeca0c4 done
#15 DONE 1.2s

 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 "sha256:2bea88185e8bc26f359e77dbeb321dabcc6924d339cd89db6ac83be4fdeca0c4" to "ocurrent/opam-staging:ubuntu-24.04-ocaml-5.4-s390x" as user "ocurrentbuilder"
Login Succeeded
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Job succeeded
2026-06-06 12:55.37: Job succeeded