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-5.6-s390x

Dockerfile:

# syntax=docker/dockerfile:1

FROM ocurrent/opam-staging@sha256:a0f10d123c8b193e8016cd63038615b32e99ad4efd170695cb956c37af75cfdd
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 5.6 --packages=ocaml-variants.5.6.0+trunk
RUN opam pin add -k version ocaml-variants 5.6.0+trunk
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 "5.6.0-s390x-ocurrent/opam-staging@sha256:a0f10d123c8b193e8016cd63038615b32e99ad4efd170695cb956c37af75cfdd"
2026-06-27 23:12.13: Waiting for resource in pool OCluster
2026-06-28 01:18.02: Waiting for worker…
2026-06-28 01:25.24: 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: 753B 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: 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 1.695 [beta] Initialised
#8 DONE 4.1s

#9 [3/9] RUN apt-get -y update
#9 1.322 Hit:1 http://ports.ubuntu.com/ubuntu-ports jammy InRelease
#9 1.410 Hit:2 http://ports.ubuntu.com/ubuntu-ports jammy-updates InRelease
#9 1.529 Hit:3 http://ports.ubuntu.com/ubuntu-ports jammy-backports InRelease
#9 1.655 Hit:4 http://ports.ubuntu.com/ubuntu-ports jammy-security InRelease
#9 1.847 Reading package lists...
#9 DONE 2.9s

#10 [4/9] RUN DEBIAN_FRONTEND=noninteractive apt-get -y upgrade
#10 0.849 Reading package lists...
#10 1.459 Building dependency tree...
#10 1.531 Reading state information...
#10 1.596 Calculating upgrade...
#10 1.728 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
#10 DONE 1.9s

#11 [5/9] RUN DEBIAN_FRONTEND=noninteractive apt-get -y install libzstd-dev
#11 0.390 Reading package lists...
#11 1.001 Building dependency tree...
#11 1.073 Reading state information...
#11 1.176 The following NEW packages will be installed:
#11 1.176   libzstd-dev
#11 1.332 0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded.
#11 1.332 Need to get 406 kB of archives.
#11 1.332 After this operation, 1521 kB of additional disk space will be used.
#11 1.332 Get:1 http://ports.ubuntu.com/ubuntu-ports jammy/main s390x libzstd-dev s390x 1.4.8+dfsg-3build1 [406 kB]
#11 1.575 debconf: delaying package configuration, since apt-utils is not installed
#11 1.647 Fetched 406 kB in 0s (2249 kB/s)
#11 1.778 Selecting previously unselected package libzstd-dev:s390x.
#11 1.778 (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.)
#11 1.859 Preparing to unpack .../libzstd-dev_1.4.8+dfsg-3build1_s390x.deb ...
#11 1.860 Unpacking libzstd-dev:s390x (1.4.8+dfsg-3build1) ...
#11 1.968 Setting up libzstd-dev:s390x (1.4.8+dfsg-3build1) ...
#11 DONE 2.2s

#12 [6/9] RUN opam switch create 5.6 --packages=ocaml-variants.5.6.0+trunk
#12 0.759 
#12 0.759 <><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><>
#12 0.759 Switch invariant: ["ocaml-variants" {= "5.6.0+trunk"}]
#12 6.680 
#12 6.680 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#12 8.048 -> installed base-bigarray.base
#12 8.048 -> installed base-threads.base
#12 8.049 -> installed base-unix.base
#12 8.050 -> installed host-arch-s390x.1
#12 8.050 -> installed host-system-other.1
#12 8.074 -> retrieved ocaml.5.6.0  (https://opam.ocaml.org/cache)
#12 8.297 -> retrieved ocaml-compiler.5.6  (https://github.com/ocaml/ocaml/archive/trunk.tar.gz)
#12 288.4 -> installed ocaml-compiler.5.6
#12 288.4 -> installed ocaml-variants.5.6.0+trunk
#12 288.8 -> installed ocaml.5.6.0
#12 288.8 -> installed base-domains.base
#12 288.8 -> installed base-effects.base
#12 288.8 -> installed base-nnp.base
#12 289.2 Done.
#12 289.2 # Run eval $(opam env --switch=5.6) to update the current shell environment
#12 DONE 303.0s

#13 [7/9] RUN opam pin add -k version ocaml-variants 5.6.0+trunk
#13 1.628 ocaml-variants is now pinned to version 5.6.0+trunk
#13 1.628 
#13 8.135 Already up-to-date.
#13 8.147 Nothing to do.
#13 8.147 # Run eval $(opam env) to update the current shell environment
#13 DONE 9.5s

#14 [8/9] RUN opam install -y opam-depext
#14 7.374 The following actions will be performed:
#14 7.374   - install opam-depext 1.2.3
#14 7.374 
#14 7.374 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#14 8.040 -> retrieved opam-depext.1.2.3  (https://opam.ocaml.org/cache)
#14 10.10 -> installed opam-depext.1.2.3
#14 10.11 Done.
#14 10.11 
#14 10.11 <><> opam-depext.1.2.3 installed successfully <><><><><><><><><><><><><><><><><>
#14 10.11 => opam-depext is unnecessary when used with opam >= 2.1. Please use opam install directly instead
#14 10.11 # Run eval $(opam env) to update the current shell environment
#14 DONE 15.0s

#15 [9/9] COPY --link [ Dockerfile, /Dockerfile.ocaml ]
#15 DONE 1.0s

#16 exporting to image
#16 exporting layers
#16 exporting layers 1.1s done
#16 writing image sha256:df4ef3c88f25ef4c1c22789c0d48f9d32eb8d6efa0a8fadd6a33459507155413 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:df4ef3c88f25ef4c1c22789c0d48f9d32eb8d6efa0a8fadd6a33459507155413" to "ocurrent/opam-staging:ubuntu-22.04-ocaml-5.6-s390x" as user "ocurrentbuilder"
Login Succeeded
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Job succeeded
2026-06-28 01:31.48: Job succeeded