2026-06-06 07:09.09: New job: Build using linux-s390x in
                                []
2026-06-06 07:09.09: Will push staging image to ocurrent/opam-staging:ubuntu-25.04-ocaml-5.5-s390x

Dockerfile:

# syntax=docker/dockerfile:1

FROM ocurrent/opam-staging@sha256:38a91c7577c939f7cc99186ad5619e7d0358dd47754905cbc31be075f9d4f460
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 --packages=ocaml-variants.5.5.0+trunk
RUN opam pin add -k version ocaml-variants 5.5.0+trunk
RUN opam install -y opam-depext
ENTRYPOINT [ "opam", "exec", "--" ]
CMD bash
COPY --link [ "Dockerfile", "/Dockerfile.ocaml" ]


2026-06-06 07:09.09: Using cache hint "5.5.0-s390x-ocurrent/opam-staging@sha256:38a91c7577c939f7cc99186ad5619e7d0358dd47754905cbc31be075f9d4f460"
2026-06-06 13:11.32: Waiting for worker…
2026-06-06 13:11.32: 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: 753B 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@sha256:38a91c7577c939f7cc99186ad5619e7d0358dd47754905cbc31be075f9d4f460
#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@sha256:38a91c7577c939f7cc99186ad5619e7d0358dd47754905cbc31be075f9d4f460
#6 CACHED

#7 [internal] load build context
#7 transferring context: 753B done
#7 DONE 0.2s

#8 [2/9] RUN opam repo add beta git+https://github.com/ocaml/ocaml-beta-repository --set-default
#8 1.295 [beta] Initialised
#8 DONE 2.0s

#9 [3/9] RUN apt-get -y update
#9 0.619 Hit:1 http://ports.ubuntu.com/ubuntu-ports plucky InRelease
#9 0.711 Hit:2 http://ports.ubuntu.com/ubuntu-ports plucky-updates InRelease
#9 0.829 Hit:3 http://ports.ubuntu.com/ubuntu-ports plucky-backports InRelease
#9 0.915 Hit:4 http://ports.ubuntu.com/ubuntu-ports plucky-security InRelease
#9 0.926 Reading package lists...
#9 DONE 1.9s

#10 [4/9] RUN DEBIAN_FRONTEND=noninteractive apt-get -y upgrade
#10 0.437 Reading package lists...
#10 1.249 Building dependency tree...
#10 1.344 Reading state information...
#10 1.384 Calculating upgrade...
#10 1.554 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
#10 DONE 1.8s

#11 [5/9] RUN DEBIAN_FRONTEND=noninteractive apt-get -y install libzstd-dev
#11 0.361 Reading package lists...
#11 1.096 Building dependency tree...
#11 1.182 Reading state information...
#11 1.356 The following NEW packages will be installed:
#11 1.357   libzstd-dev
#11 1.517 0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded.
#11 1.517 Need to get 408 kB of archives.
#11 1.517 After this operation, 1422 kB of additional disk space will be used.
#11 1.517 Get:1 http://ports.ubuntu.com/ubuntu-ports plucky/main s390x libzstd-dev s390x 1.5.6+dfsg-2 [408 kB]
#11 2.396 Fetched 408 kB in 0s (2529 kB/s)
#11 2.420 Selecting previously unselected package libzstd-dev:s390x.
#11 2.420 (Reading database ... 
(Reading database ... 5%
(Reading database ... 10%
(Reading database ... 15%
(Reading database ... 20%
(Reading database ... 25%
(Reading database ... 30%
(Reading database ... 35%
(Reading database ... 40%
(Reading database ... 45%
(Reading database ... 50%
(Reading database ... 55%
(Reading database ... 60%
(Reading database ... 65%
(Reading database ... 70%
(Reading database ... 75%
(Reading database ... 80%
(Reading database ... 85%
(Reading database ... 90%
(Reading database ... 95%
(Reading database ... 100%
(Reading database ... 16261 files and directories currently installed.)
#11 2.490 Preparing to unpack .../libzstd-dev_1.5.6+dfsg-2_s390x.deb ...
#11 2.492 Unpacking libzstd-dev:s390x (1.5.6+dfsg-2) ...
#11 2.574 Setting up libzstd-dev:s390x (1.5.6+dfsg-2) ...
#11 DONE 2.8s

#12 [6/9] RUN opam switch create 5.5 --packages=ocaml-variants.5.5.0+trunk
#12 0.792 
#12 0.792 <><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><>
#12 0.792 Switch invariant: ["ocaml-variants" {= "5.5.0+trunk"}]
#12 6.391 
#12 6.391 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#12 7.607 -> installed base-bigarray.base
#12 7.607 -> installed base-threads.base
#12 7.608 -> installed base-unix.base
#12 7.609 -> installed compiler-cloning.disabled
#12 7.609 -> installed host-arch-s390x.1
#12 7.629 -> installed host-system-other.1
#12 7.637 -> retrieved ocaml.5.5.0  (https://opam.ocaml.org/cache)
#12 7.761 -> retrieved ocaml-compiler.5.5  (https://github.com/ocaml/ocaml/archive/5.5.tar.gz)
#12 214.2 -> installed ocaml-compiler.5.5
#12 214.2 -> installed ocaml-variants.5.5.0+trunk
#12 214.3 -> installed ocaml.5.5.0
#12 214.3 -> installed base-domains.base
#12 214.3 -> installed base-effects.base
#12 214.3 -> installed base-nnp.base
#12 214.6 Done.
#12 214.6 # Run eval $(opam env --switch=5.5) to update the current shell environment
#12 DONE 220.7s

#13 [7/9] RUN opam pin add -k version ocaml-variants 5.5.0+trunk
#13 1.019 ocaml-variants is now pinned to version 5.5.0+trunk
#13 1.019 
#13 6.934 No package build needed.
#13 6.934 Nothing to do.
#13 6.935 # Run eval $(opam env) to update the current shell environment
#13 DONE 12.8s

#14 [8/9] RUN opam install -y opam-depext
#14 6.513 The following actions will be performed:
#14 6.513   - install opam-depext 1.2.3
#14 6.513 
#14 6.513 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#14 7.185 -> retrieved opam-depext.1.2.3  (https://opam.ocaml.org/cache)
#14 9.849 -> installed opam-depext.1.2.3
#14 9.855 Done.
#14 9.855 
#14 9.855 <><> opam-depext.1.2.3 installed successfully <><><><><><><><><><><><><><><><><>
#14 9.855 => opam-depext is unnecessary when used with opam >= 2.1. Please use opam install directly instead
#14 9.855 # Run eval $(opam env) to update the current shell environment
#14 DONE 11.1s

#15 [9/9] COPY --link [ Dockerfile, /Dockerfile.ocaml ]
#15 DONE 0.2s

#16 exporting to image
#16 exporting layers
#16 exporting layers 1.0s done
#16 writing image sha256:a9b71d27995024f45b9db6ea750890c9801a2181b123d9b6eb2ef2e367576c5b
#16 writing image sha256:a9b71d27995024f45b9db6ea750890c9801a2181b123d9b6eb2ef2e367576c5b done
#16 DONE 1.0s

 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:a9b71d27995024f45b9db6ea750890c9801a2181b123d9b6eb2ef2e367576c5b" to "ocurrent/opam-staging:ubuntu-25.04-ocaml-5.5-s390x" as user "ocurrentbuilder"
Login Succeeded
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Job succeeded
2026-06-06 13:16.20: Job succeeded