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-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 --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 07:23.47: Using cache hint "5.5.0-s390x-ocurrent/opam-staging@sha256:a2abf01ad31ec479bc6fd7cfa7cc97388b95d1c0e03873810bb7f3350dd053fe"
2026-06-06 15:00.34: Waiting for worker…
2026-06-06 15:00.34: 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 docker-image://docker.io/docker/dockerfile:1@sha256:87999aa3d42bdc6bea60565083ee17e86d1f3339802f543c0d03998580f9cb89
#1 CACHED

#2 [internal] load build definition from Dockerfile
#2 transferring dockerfile: 753B done
#2 DONE 0.1s

#3 resolve image config for docker-image://docker.io/docker/dockerfile:1
#3 DONE 0.1s

#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 [1/8] FROM docker.io/ocurrent/opam-staging@sha256:a2abf01ad31ec479bc6fd7cfa7cc97388b95d1c0e03873810bb7f3350dd053fe
#6 DONE 0.0s

#6 [1/8] FROM docker.io/ocurrent/opam-staging@sha256:a2abf01ad31ec479bc6fd7cfa7cc97388b95d1c0e03873810bb7f3350dd053fe
#6 CACHED

#7 [internal] load build context
#7 transferring context: 753B done
#7 DONE 0.1s

#8 [2/9] RUN opam repo add beta git+https://github.com/ocaml/ocaml-beta-repository --set-default
#8 0.821 [beta] Initialised
#8 DONE 1.4s

#9 [3/9] RUN apt-get -y update
#9 0.454 Hit:1 http://deb.debian.org/debian trixie InRelease
#9 0.454 Get:2 http://deb.debian.org/debian trixie-updates InRelease [47.3 kB]
#9 0.478 Get:3 http://deb.debian.org/debian-security trixie-security InRelease [43.4 kB]
#9 0.507 Get:4 http://deb.debian.org/debian-security trixie-security/main s390x Packages [198 kB]
#9 0.567 Fetched 289 kB in 0s (1557 kB/s)
#9 0.567 Reading package lists...
#9 DONE 1.3s

#10 [4/9] RUN DEBIAN_FRONTEND=noninteractive apt-get -y upgrade
#10 0.382 Reading package lists...
#10 0.942 Building dependency tree...
#10 1.020 Reading state information...
#10 1.050 Calculating upgrade...
#10 1.207 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
#10 DONE 1.3s

#11 [5/9] RUN DEBIAN_FRONTEND=noninteractive apt-get -y install libzstd-dev
#11 0.501 Reading package lists...
#11 1.065 Building dependency tree...
#11 1.140 Reading state information...
#11 1.295 The following NEW packages will be installed:
#11 1.295   libzstd-dev
#11 1.369 0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded.
#11 1.369 Need to get 391 kB of archives.
#11 1.369 After this operation, 1480 kB of additional disk space will be used.
#11 1.369 Get:1 http://deb.debian.org/debian trixie/main s390x libzstd-dev s390x 1.5.7+dfsg-1 [391 kB]
#11 2.141 Fetched 391 kB in 0s (3503 kB/s)
#11 2.159 Selecting previously unselected package libzstd-dev:s390x.
#11 2.159 (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 ... 20382 files and directories currently installed.)
#11 2.169 Preparing to unpack .../libzstd-dev_1.5.7+dfsg-1_s390x.deb ...
#11 2.170 Unpacking libzstd-dev:s390x (1.5.7+dfsg-1) ...
#11 2.252 Setting up libzstd-dev:s390x (1.5.7+dfsg-1) ...
#11 DONE 2.5s

#12 [6/9] RUN opam switch create 5.5 --packages=ocaml-variants.5.5.0+trunk
#12 0.801 
#12 0.801 <><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><>
#12 0.801 Switch invariant: ["ocaml-variants" {= "5.5.0+trunk"}]
#12 5.732 
#12 5.732 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#12 8.109 -> installed base-bigarray.base
#12 8.115 -> installed base-threads.base
#12 8.116 -> installed base-unix.base
#12 8.116 -> installed compiler-cloning.disabled
#12 8.130 -> installed host-arch-s390x.1
#12 8.131 -> installed host-system-other.1
#12 8.143 -> retrieved ocaml.5.5.0  (https://opam.ocaml.org/cache)
#12 12.11 -> retrieved ocaml-compiler.5.5  (https://github.com/ocaml/ocaml/archive/5.5.tar.gz)
#12 200.7 -> installed ocaml-compiler.5.5
#12 200.7 -> installed ocaml-variants.5.5.0+trunk
#12 200.8 -> installed ocaml.5.5.0
#12 200.8 -> installed base-domains.base
#12 200.8 -> installed base-effects.base
#12 200.8 -> installed base-nnp.base
#12 201.0 Done.
#12 201.0 # Run eval $(opam env --switch=5.5) to update the current shell environment
#12 DONE 208.3s

#13 [7/9] RUN opam pin add -k version ocaml-variants 5.5.0+trunk
#13 0.772 ocaml-variants is now pinned to version 5.5.0+trunk
#13 0.772 
#13 5.957 No package build needed.
#13 5.957 Nothing to do.
#13 5.958 # Run eval $(opam env) to update the current shell environment
#13 DONE 6.0s

#14 [8/9] RUN opam install -y opam-depext
#14 6.000 The following actions will be performed:
#14 6.000   - install opam-depext 1.2.3
#14 6.001 
#14 6.001 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#14 6.622 -> retrieved opam-depext.1.2.3  (https://opam.ocaml.org/cache)
#14 10.88 -> installed opam-depext.1.2.3
#14 10.89 Done.
#14 10.89 
#14 10.89 <><> opam-depext.1.2.3 installed successfully <><><><><><><><><><><><><><><><><>
#14 10.89 => opam-depext is unnecessary when used with opam >= 2.1. Please use opam install directly instead
#14 10.89 # Run eval $(opam env) to update the current shell environment
#14 DONE 14.4s

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

#16 exporting to image
#16 exporting layers
#16 exporting layers 1.1s done
#16 writing image sha256:ad4136349f20761a891d1f5af402e06adae4a533e7fe7f5e06f77912e6ae8c03 done
#16 DONE 1.1s

 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:ad4136349f20761a891d1f5af402e06adae4a533e7fe7f5e06f77912e6ae8c03" to "ocurrent/opam-staging:debian-13-ocaml-5.5-s390x" as user "ocurrentbuilder"
Login Succeeded
The push refers to repository [docker.io/ocurrent/opam-staging]
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debian-13-ocaml-5.5-s390x: digest: sha256:7b002f0ddf45c5e1a2ebf825b6ff856cbf80733af0de3478251c95222886223b size: 10333
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Job succeeded
2026-06-06 15:05.19: Job succeeded