2026-06-27 23:12.13: New job: Build using linux-s390x in
                                []
2026-06-27 23:12.13: Will push staging image to ocurrent/opam-staging:ubuntu-22.04-ocaml-5.2-s390x

Dockerfile:

# syntax=docker/dockerfile:1

FROM ocurrent/opam-staging@sha256:a0f10d123c8b193e8016cd63038615b32e99ad4efd170695cb956c37af75cfdd
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 5.2 --packages=ocaml-base-compiler.5.2.1
RUN opam pin add -k version ocaml-base-compiler 5.2.1
RUN opam install -y opam-depext
ENTRYPOINT [ "opam", "exec", "--" ]
CMD bash
COPY --link [ "Dockerfile", "/Dockerfile.ocaml" ]


2026-06-27 23:12.13: Using cache hint "5.2.1-s390x-ocurrent/opam-staging@sha256:a0f10d123c8b193e8016cd63038615b32e99ad4efd170695cb956c37af75cfdd"
2026-06-27 23:12.13: Waiting for resource in pool OCluster
2026-06-28 01:08.28: Waiting for worker…
2026-06-28 01:15.39: 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 0.2s

#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:a0f10d123c8b193e8016cd63038615b32e99ad4efd170695cb956c37af75cfdd
#4 DONE 0.0s

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

#6 [1/5] FROM docker.io/ocurrent/opam-staging@sha256:a0f10d123c8b193e8016cd63038615b32e99ad4efd170695cb956c37af75cfdd
#6 resolve docker.io/ocurrent/opam-staging@sha256:a0f10d123c8b193e8016cd63038615b32e99ad4efd170695cb956c37af75cfdd 0.4s done
#6 DONE 7.3s

#7 [internal] load build context
#7 transferring context: 663B done
#7 DONE 0.3s

#8 [2/8] RUN apt-get -y update
#8 1.055 Hit:1 http://ports.ubuntu.com/ubuntu-ports jammy InRelease
#8 1.132 Hit:2 http://ports.ubuntu.com/ubuntu-ports jammy-updates InRelease
#8 1.260 Hit:3 http://ports.ubuntu.com/ubuntu-ports jammy-backports InRelease
#8 1.372 Hit:4 http://ports.ubuntu.com/ubuntu-ports jammy-security InRelease
#8 2.337 Reading package lists...
#8 DONE 25.7s

#9 [3/8] RUN DEBIAN_FRONTEND=noninteractive apt-get -y upgrade
#9 2.413 Reading package lists...
#9 3.580 Building dependency tree...
#9 3.684 Reading state information...
#9 3.684 Calculating upgrade...
#9 3.783 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
#9 DONE 4.2s

#10 [4/8] RUN DEBIAN_FRONTEND=noninteractive apt-get -y install libzstd-dev
#10 2.108 Reading package lists...
#10 2.850 Building dependency tree...
#10 2.914 Reading state information...
#10 3.059 The following NEW packages will be installed:
#10 3.059   libzstd-dev
#10 3.260 0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded.
#10 3.260 Need to get 406 kB of archives.
#10 3.260 After this operation, 1521 kB of additional disk space will be used.
#10 3.260 Get:1 http://ports.ubuntu.com/ubuntu-ports jammy/main s390x libzstd-dev s390x 1.4.8+dfsg-3build1 [406 kB]
#10 4.545 debconf: delaying package configuration, since apt-utils is not installed
#10 4.774 Fetched 406 kB in 0s (907 kB/s)
#10 4.958 Selecting previously unselected package libzstd-dev:s390x.
#10 4.958 (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 ... 15397 files and directories currently installed.)
#10 5.409 Preparing to unpack .../libzstd-dev_1.4.8+dfsg-3build1_s390x.deb ...
#10 5.446 Unpacking libzstd-dev:s390x (1.4.8+dfsg-3build1) ...
#10 6.054 Setting up libzstd-dev:s390x (1.4.8+dfsg-3build1) ...
#10 DONE 6.6s

#11 [5/8] RUN opam switch create 5.2 --packages=ocaml-base-compiler.5.2.1
#11 1.147 
#11 1.147 <><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><>
#11 1.147 Switch invariant: ["ocaml-base-compiler" {= "5.2.1"}]
#11 8.059 
#11 8.059 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#11 11.57 -> installed base-bigarray.base
#11 11.57 -> installed base-threads.base
#11 11.58 -> installed base-unix.base
#11 11.58 -> installed ocaml-options-vanilla.1
#11 12.34 -> retrieved ocaml-config.3  (2 extra sources)
#11 12.95 -> retrieved ocaml-base-compiler.5.2.1  (https://opam.ocaml.org/cache)
#11 303.0 -> installed ocaml-base-compiler.5.2.1
#11 303.1 -> installed ocaml-config.3
#11 303.2 -> installed ocaml.5.2.1
#11 303.2 -> installed base-domains.base
#11 303.2 -> installed base-nnp.base
#11 303.4 Done.
#11 303.4 # Run eval $(opam env --switch=5.2) to update the current shell environment
#11 DONE 319.1s

#12 [6/8] RUN opam pin add -k version ocaml-base-compiler 5.2.1
#12 3.054 ocaml-base-compiler is now pinned to version 5.2.1
#12 3.054 
#12 13.31 No package build needed.
#12 13.31 Nothing to do.
#12 13.31 # Run eval $(opam env) to update the current shell environment
#12 DONE 14.7s

#13 [7/8] RUN opam install -y opam-depext
#13 13.73 The following actions will be performed:
#13 13.73   - install opam-depext 1.2.3
#13 13.73 
#13 13.73 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#13 15.00 -> retrieved opam-depext.1.2.3  (https://opam.ocaml.org/cache)
#13 17.46 -> installed opam-depext.1.2.3
#13 17.46 Done.
#13 17.46 
#13 17.46 <><> opam-depext.1.2.3 installed successfully <><><><><><><><><><><><><><><><><>
#13 17.46 => opam-depext is unnecessary when used with opam >= 2.1. Please use opam install directly instead
#13 17.46 # Run eval $(opam env) to update the current shell environment
#13 DONE 24.1s

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

#15 exporting to image
#15 exporting layers
#15 exporting layers 2.5s done
#15 writing image sha256:01c549b9937f8bb0076edd384b341e94a2c9399fb9a9f3344fbadd74b2e58b2c
#15 writing image sha256:01c549b9937f8bb0076edd384b341e94a2c9399fb9a9f3344fbadd74b2e58b2c 0.1s done
#15 DONE 2.7s

 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 "sha256:01c549b9937f8bb0076edd384b341e94a2c9399fb9a9f3344fbadd74b2e58b2c" to "ocurrent/opam-staging:ubuntu-22.04-ocaml-5.2-s390x" as user "ocurrentbuilder"
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ubuntu-22.04-ocaml-5.2-s390x: digest: sha256:75604062654a543dd88a776772a995a695df593705f35e1627ca54f67ef797c4 size: 10125
Job succeeded
2026-06-28 01:23.09: Job succeeded