2026-07-25 20:57.59: New job: Build using linux-s390x in
                                []
2026-07-25 20:57.59: Will push staging image to ocurrent/opam-staging:ubuntu-22.04-ocaml-5.6-s390x

Dockerfile:

# syntax=docker/dockerfile:1

FROM ocurrent/opam-staging@sha256:29f713f6e78eb6c136d2451f5716902a792af56ac61172ab53db5c13740feb40
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" ]


2026-07-25 20:57.59: Using cache hint "5.6.0-s390x-ocurrent/opam-staging@sha256:29f713f6e78eb6c136d2451f5716902a792af56ac61172ab53db5c13740feb40"
2026-07-25 20:57.59: Waiting for resource in pool OCluster
2026-07-27 17:39.39: Waiting for worker…
2026-07-27 17:43.42: 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@sha256:29f713f6e78eb6c136d2451f5716902a792af56ac61172ab53db5c13740feb40
#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@sha256:29f713f6e78eb6c136d2451f5716902a792af56ac61172ab53db5c13740feb40
#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 0.859 [beta] Initialised
#8 DONE 1.5s

#9 [3/9] RUN apt-get -y update
#9 0.424 Hit:1 http://ports.ubuntu.com/ubuntu-ports jammy InRelease
#9 0.424 Get:2 http://ports.ubuntu.com/ubuntu-ports jammy-updates InRelease [128 kB]
#9 0.698 Get:3 http://ports.ubuntu.com/ubuntu-ports jammy-backports InRelease [127 kB]
#9 0.717 Get:4 http://ports.ubuntu.com/ubuntu-ports jammy-security InRelease [129 kB]
#9 0.771 Get:5 http://ports.ubuntu.com/ubuntu-ports jammy-updates/restricted s390x Packages [22.2 kB]
#9 0.808 Get:6 http://ports.ubuntu.com/ubuntu-ports jammy-updates/universe s390x Packages [1274 kB]
#9 0.858 Get:7 http://ports.ubuntu.com/ubuntu-ports jammy-updates/main s390x Packages [1680 kB]
#9 0.896 Get:8 http://ports.ubuntu.com/ubuntu-ports jammy-security/main s390x Packages [1412 kB]
#9 0.936 Get:9 http://ports.ubuntu.com/ubuntu-ports jammy-security/restricted s390x Packages [19.7 kB]
#9 0.936 Get:10 http://ports.ubuntu.com/ubuntu-ports jammy-security/universe s390x Packages [995 kB]
#9 1.069 Fetched 5787 kB in 1s (9194 kB/s)
#9 1.069 Reading package lists...
#9 DONE 1.8s

#10 [4/9] RUN DEBIAN_FRONTEND=noninteractive apt-get -y upgrade
#10 0.331 Reading package lists...
#10 0.968 Building dependency tree...
#10 1.033 Reading state information...
#10 1.055 Calculating upgrade...
#10 1.202 The following packages will be upgraded:
#10 1.202   libc-bin libc-dev-bin libc-devtools libc6 libc6-dev libgssapi-krb5-2
#10 1.202   libk5crypto3 libkrb5-3 libkrb5support0 libpam-modules libpam-modules-bin
#10 1.203   libpam-runtime libpam0g libsqlite3-0 libxpm4 tar
#10 1.490 16 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
#10 1.490 Need to get 6862 kB of archives.
#10 1.490 After this operation, 1024 B disk space will be freed.
#10 1.490 Get:1 http://ports.ubuntu.com/ubuntu-ports jammy-updates/main s390x tar s390x 1.34+dfsg-1ubuntu0.1.22.04.6 [297 kB]
#10 2.010 Get:2 http://ports.ubuntu.com/ubuntu-ports jammy-updates/main s390x libc-devtools s390x 2.35-0ubuntu3.14 [29.2 kB]
#10 2.018 Get:3 http://ports.ubuntu.com/ubuntu-ports jammy-updates/main s390x libc6-dev s390x 2.35-0ubuntu3.14 [1501 kB]
#10 2.286 Get:4 http://ports.ubuntu.com/ubuntu-ports jammy-updates/main s390x libc-dev-bin s390x 2.35-0ubuntu3.14 [20.0 kB]
#10 2.286 Get:5 http://ports.ubuntu.com/ubuntu-ports jammy-updates/main s390x libc6 s390x 2.35-0ubuntu3.14 [2713 kB]
#10 2.429 Get:6 http://ports.ubuntu.com/ubuntu-ports jammy-updates/main s390x libc-bin s390x 2.35-0ubuntu3.14 [607 kB]
#10 2.433 Get:7 http://ports.ubuntu.com/ubuntu-ports jammy-updates/main s390x libpam0g s390x 1.4.0-11ubuntu2.7 [58.6 kB]
#10 2.435 Get:8 http://ports.ubuntu.com/ubuntu-ports jammy-updates/main s390x libpam-modules-bin s390x 1.4.0-11ubuntu2.7 [40.1 kB]
#10 2.435 Get:9 http://ports.ubuntu.com/ubuntu-ports jammy-updates/main s390x libpam-modules s390x 1.4.0-11ubuntu2.7 [281 kB]
#10 2.437 Get:10 http://ports.ubuntu.com/ubuntu-ports jammy-updates/main s390x libk5crypto3 s390x 1.19.2-2ubuntu0.8 [88.5 kB]
#10 2.438 Get:11 http://ports.ubuntu.com/ubuntu-ports jammy-updates/main s390x libkrb5support0 s390x 1.19.2-2ubuntu0.8 [32.6 kB]
#10 2.438 Get:12 http://ports.ubuntu.com/ubuntu-ports jammy-updates/main s390x libkrb5-3 s390x 1.19.2-2ubuntu0.8 [348 kB]
#10 2.459 Get:13 http://ports.ubuntu.com/ubuntu-ports jammy-updates/main s390x libgssapi-krb5-2 s390x 1.19.2-2ubuntu0.8 [138 kB]
#10 2.460 Get:14 http://ports.ubuntu.com/ubuntu-ports jammy-updates/main s390x libpam-runtime all 1.4.0-11ubuntu2.7 [40.2 kB]
#10 2.517 Get:15 http://ports.ubuntu.com/ubuntu-ports jammy-updates/main s390x libsqlite3-0 s390x 3.37.2-2ubuntu0.7 [632 kB]
#10 2.618 Get:16 http://ports.ubuntu.com/ubuntu-ports jammy-updates/main s390x libxpm4 s390x 1:3.5.12-1ubuntu0.22.04.3 [36.8 kB]
#10 2.746 debconf: delaying package configuration, since apt-utils is not installed
#10 2.785 Fetched 6862 kB in 1s (4859 kB/s)
#10 2.872 (Reading database ... 
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(Reading database ... 15397 files and directories currently installed.)
#10 2.876 Preparing to unpack .../tar_1.34+dfsg-1ubuntu0.1.22.04.6_s390x.deb ...
#10 2.884 Unpacking tar (1.34+dfsg-1ubuntu0.1.22.04.6) over (1.34+dfsg-1ubuntu0.1.22.04.5) ...
#10 2.963 Setting up tar (1.34+dfsg-1ubuntu0.1.22.04.6) ...
#10 3.008 (Reading database ... 
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(Reading database ... 15397 files and directories currently installed.)
#10 3.008 Preparing to unpack .../libc-devtools_2.35-0ubuntu3.14_s390x.deb ...
#10 3.014 Unpacking libc-devtools (2.35-0ubuntu3.14) over (2.35-0ubuntu3.13) ...
#10 3.153 Preparing to unpack .../libc6-dev_2.35-0ubuntu3.14_s390x.deb ...
#10 3.157 Unpacking libc6-dev:s390x (2.35-0ubuntu3.14) over (2.35-0ubuntu3.13) ...
#10 4.263 Preparing to unpack .../libc-dev-bin_2.35-0ubuntu3.14_s390x.deb ...
#10 4.269 Unpacking libc-dev-bin (2.35-0ubuntu3.14) over (2.35-0ubuntu3.13) ...
#10 4.301 Preparing to unpack .../libc6_2.35-0ubuntu3.14_s390x.deb ...
#10 4.404 Unpacking libc6:s390x (2.35-0ubuntu3.14) over (2.35-0ubuntu3.13) ...
#10 5.298 Setting up libc6:s390x (2.35-0ubuntu3.14) ...
#10 6.594 (Reading database ... 
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(Reading database ... 15397 files and directories currently installed.)
#10 6.594 Preparing to unpack .../libc-bin_2.35-0ubuntu3.14_s390x.deb ...
#10 6.650 Unpacking libc-bin (2.35-0ubuntu3.14) over (2.35-0ubuntu3.13) ...
#10 6.774 Setting up libc-bin (2.35-0ubuntu3.14) ...
#10 6.843 (Reading database ... 
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(Reading database ... 15397 files and directories currently installed.)
#10 6.843 Preparing to unpack .../libpam0g_1.4.0-11ubuntu2.7_s390x.deb ...
#10 6.849 Unpacking libpam0g:s390x (1.4.0-11ubuntu2.7) over (1.4.0-11ubuntu2.6) ...
#10 6.891 Setting up libpam0g:s390x (1.4.0-11ubuntu2.7) ...
#10 6.992 (Reading database ... 
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(Reading database ... 15397 files and directories currently installed.)
#10 6.998 Preparing to unpack .../libpam-modules-bin_1.4.0-11ubuntu2.7_s390x.deb ...
#10 7.003 Unpacking libpam-modules-bin (1.4.0-11ubuntu2.7) over (1.4.0-11ubuntu2.6) ...
#10 7.046 Setting up libpam-modules-bin (1.4.0-11ubuntu2.7) ...
#10 7.077 (Reading database ... 
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(Reading database ... 15397 files and directories currently installed.)
#10 7.081 Preparing to unpack .../libpam-modules_1.4.0-11ubuntu2.7_s390x.deb ...
#10 7.158 Unpacking libpam-modules:s390x (1.4.0-11ubuntu2.7) over (1.4.0-11ubuntu2.6) ...
#10 7.307 Setting up libpam-modules:s390x (1.4.0-11ubuntu2.7) ...
#10 7.486 (Reading database ... 
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(Reading database ... 15397 files and directories currently installed.)
#10 7.486 Preparing to unpack .../libk5crypto3_1.19.2-2ubuntu0.8_s390x.deb ...
#10 7.511 Unpacking libk5crypto3:s390x (1.19.2-2ubuntu0.8) over (1.19.2-2ubuntu0.7) ...
#10 7.554 Setting up libk5crypto3:s390x (1.19.2-2ubuntu0.8) ...
#10 7.578 (Reading database ... 
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(Reading database ... 15397 files and directories currently installed.)
#10 7.581 Preparing to unpack .../libkrb5support0_1.19.2-2ubuntu0.8_s390x.deb ...
#10 7.587 Unpacking libkrb5support0:s390x (1.19.2-2ubuntu0.8) over (1.19.2-2ubuntu0.7) ...
#10 7.654 Setting up libkrb5support0:s390x (1.19.2-2ubuntu0.8) ...
#10 7.757 (Reading database ... 
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(Reading database ... 15397 files and directories currently installed.)
#10 7.757 Preparing to unpack .../libkrb5-3_1.19.2-2ubuntu0.8_s390x.deb ...
#10 7.762 Unpacking libkrb5-3:s390x (1.19.2-2ubuntu0.8) over (1.19.2-2ubuntu0.7) ...
#10 7.810 Setting up libkrb5-3:s390x (1.19.2-2ubuntu0.8) ...
#10 7.838 (Reading database ... 
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(Reading database ... 15397 files and directories currently installed.)
#10 7.838 Preparing to unpack .../libgssapi-krb5-2_1.19.2-2ubuntu0.8_s390x.deb ...
#10 7.842 Unpacking libgssapi-krb5-2:s390x (1.19.2-2ubuntu0.8) over (1.19.2-2ubuntu0.7) ...
#10 7.876 Setting up libgssapi-krb5-2:s390x (1.19.2-2ubuntu0.8) ...
#10 7.904 (Reading database ... 
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(Reading database ... 15397 files and directories currently installed.)
#10 7.908 Preparing to unpack .../libpam-runtime_1.4.0-11ubuntu2.7_all.deb ...
#10 7.911 Unpacking libpam-runtime (1.4.0-11ubuntu2.7) over (1.4.0-11ubuntu2.6) ...
#10 7.956 Setting up libpam-runtime (1.4.0-11ubuntu2.7) ...
#10 8.062 (Reading database ... 
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(Reading database ... 15397 files and directories currently installed.)
#10 8.066 Preparing to unpack .../libsqlite3-0_3.37.2-2ubuntu0.7_s390x.deb ...
#10 8.071 Unpacking libsqlite3-0:s390x (3.37.2-2ubuntu0.7) over (3.37.2-2ubuntu0.6) ...
#10 8.122 Preparing to unpack .../libxpm4_1%3a3.5.12-1ubuntu0.22.04.3_s390x.deb ...
#10 8.127 Unpacking libxpm4:s390x (1:3.5.12-1ubuntu0.22.04.3) over (1:3.5.12-1ubuntu0.22.04.2) ...
#10 8.153 Setting up libxpm4:s390x (1:3.5.12-1ubuntu0.22.04.3) ...
#10 8.158 Setting up libsqlite3-0:s390x (3.37.2-2ubuntu0.7) ...
#10 8.162 Setting up libc-dev-bin (2.35-0ubuntu3.14) ...
#10 8.166 Setting up libc-devtools (2.35-0ubuntu3.14) ...
#10 8.171 Setting up libc6-dev:s390x (2.35-0ubuntu3.14) ...
#10 8.175 Processing triggers for libc-bin (2.35-0ubuntu3.14) ...
#10 DONE 8.5s

#11 [5/9] RUN DEBIAN_FRONTEND=noninteractive apt-get -y install libzstd-dev
#11 0.313 Reading package lists...
#11 0.932 Building dependency tree...
#11 1.004 Reading state information...
#11 1.102 The following NEW packages will be installed:
#11 1.103   libzstd-dev
#11 1.159 0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded.
#11 1.159 Need to get 406 kB of archives.
#11 1.159 After this operation, 1521 kB of additional disk space will be used.
#11 1.159 Get:1 http://ports.ubuntu.com/ubuntu-ports jammy/main s390x libzstd-dev s390x 1.4.8+dfsg-3build1 [406 kB]
#11 1.345 debconf: delaying package configuration, since apt-utils is not installed
#11 1.365 Fetched 406 kB in 0s (3093 kB/s)
#11 1.392 Selecting previously unselected package libzstd-dev:s390x.
#11 1.392 (Reading database ... 
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(Reading database ... 15397 files and directories currently installed.)
#11 1.392 Preparing to unpack .../libzstd-dev_1.4.8+dfsg-3build1_s390x.deb ...
#11 1.394 Unpacking libzstd-dev:s390x (1.4.8+dfsg-3build1) ...
#11 1.431 Setting up libzstd-dev:s390x (1.4.8+dfsg-3build1) ...
#11 DONE 1.8s

#12 [6/9] RUN opam switch create 5.6 --packages=ocaml-variants.5.6.0+trunk
#12 0.684 
#12 0.684 <><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><>
#12 0.684 Switch invariant: ["ocaml-variants" {= "5.6.0+trunk"}]
#12 6.185 
#12 6.185 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#12 7.312 -> installed base-bigarray.base
#12 7.313 -> installed base-threads.base
#12 7.314 -> installed base-unix.base
#12 7.316 -> installed host-arch-s390x.1
#12 7.316 -> installed host-system-other.1
#12 7.341 -> retrieved ocaml.5.6.0  (https://opam.ocaml.org/cache)
#12 7.731 -> retrieved ocaml-compiler.5.6  (https://github.com/ocaml/ocaml/archive/trunk.tar.gz)
#12 194.8 -> installed ocaml-compiler.5.6
#12 194.8 -> installed ocaml-variants.5.6.0+trunk
#12 194.9 -> installed ocaml.5.6.0
#12 194.9 -> installed base-domains.base
#12 194.9 -> installed base-effects.base
#12 194.9 -> installed base-nnp.base
#12 195.1 Done.
#12 195.1 # Run eval $(opam env --switch=5.6) to update the current shell environment
#12 DONE 209.3s

#13 [7/9] RUN opam pin add -k version ocaml-variants 5.6.0+trunk
#13 1.700 ocaml-variants is now pinned to version 5.6.0+trunk
#13 1.700 
#13 7.597 Already up-to-date.
#13 7.598 Nothing to do.
#13 7.598 # Run eval $(opam env) to update the current shell environment
#13 DONE 8.0s

#14 [8/9] RUN opam install -y opam-depext
#14 6.689 The following actions will be performed:
#14 6.689   - install opam-depext 1.2.3
#14 6.689 
#14 6.689 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#14 7.383 -> retrieved opam-depext.1.2.3  (https://opam.ocaml.org/cache)
#14 8.938 -> installed opam-depext.1.2.3
#14 8.942 Done.
#14 8.942 
#14 8.942 <><> opam-depext.1.2.3 installed successfully <><><><><><><><><><><><><><><><><>
#14 8.942 => opam-depext is unnecessary when used with opam >= 2.1. Please use opam install directly instead
#14 8.942 # Run eval $(opam env) to update the current shell environment
#14 DONE 11.6s

#15 [9/9] COPY --link [ Dockerfile, /Dockerfile.ocaml ]
#15 DONE 0.3s

#16 exporting to image
#16 exporting layers
#16 exporting layers 2.1s done
#16 writing image sha256:a5239688fb98708694ed2b87afc499eac20e4c51e16be82322ca1032963a2e04 done
#16 DONE 2.1s

 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:a5239688fb98708694ed2b87afc499eac20e4c51e16be82322ca1032963a2e04" to "ocurrent/opam-staging:ubuntu-22.04-ocaml-5.6-s390x" as user "ocurrentbuilder"
Login Succeeded
The push refers to repository [docker.io/ocurrent/opam-staging]
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ubuntu-22.04-ocaml-5.6-s390x: digest: sha256:826f292ff6e99503ec2302e861c967f477bc7287a43b8238e9dbcb8c8f576e03 size: 10341
The push refers to repository [docker.io/ocurrent/opam-staging]
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ubuntu-22.04-ocaml-5.6-s390x: digest: sha256:826f292ff6e99503ec2302e861c967f477bc7287a43b8238e9dbcb8c8f576e03 size: 10341
Job succeeded
2026-07-27 17:48.18: Job succeeded