2026-07-25 19:02.55: New job: Build using linux-s390x in
                                []
2026-07-25 19:02.55: Will push staging image to ocurrent/opam-staging:ubuntu-24.04-ocaml-5.2-s390x

Dockerfile:

# syntax=docker/dockerfile:1

FROM ocurrent/opam-staging@sha256:e18244391765dc80f1c76e1694e55cf5b7235ac4887e01145e14d18d807117ca
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" ]


2026-07-25 19:02.55: Using cache hint "5.2.1-s390x-ocurrent/opam-staging@sha256:e18244391765dc80f1c76e1694e55cf5b7235ac4887e01145e14d18d807117ca"
2026-07-25 19:02.55: Waiting for resource in pool OCluster
2026-07-27 17:01.08: Waiting for worker…
2026-07-27 17:22.42: 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: 663B 0.1s done
#1 DONE 0.3s

#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:e18244391765dc80f1c76e1694e55cf5b7235ac4887e01145e14d18d807117ca
#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:e18244391765dc80f1c76e1694e55cf5b7235ac4887e01145e14d18d807117ca
#6 CACHED

#7 [internal] load build context
#7 transferring context: 663B done
#7 DONE 0.2s

#8 [2/8] RUN apt-get -y update
#8 0.708 Hit:1 http://ports.ubuntu.com/ubuntu-ports noble InRelease
#8 0.708 Get:2 http://ports.ubuntu.com/ubuntu-ports noble-updates InRelease [126 kB]
#8 0.737 Get:3 http://ports.ubuntu.com/ubuntu-ports noble-backports InRelease [126 kB]
#8 0.764 Get:4 http://ports.ubuntu.com/ubuntu-ports noble-security InRelease [126 kB]
#8 0.884 Get:5 http://ports.ubuntu.com/ubuntu-ports noble-updates/universe s390x Packages [1660 kB]
#8 0.964 Get:6 http://ports.ubuntu.com/ubuntu-ports noble-updates/main s390x Packages [884 kB]
#8 1.107 Get:7 http://ports.ubuntu.com/ubuntu-ports noble-security/universe s390x Packages [1202 kB]
#8 1.149 Get:8 http://ports.ubuntu.com/ubuntu-ports noble-security/main s390x Packages [585 kB]
#8 1.260 Fetched 4709 kB in 1s (7263 kB/s)
#8 1.260 Reading package lists...
#8 DONE 2.1s

#9 [3/8] RUN DEBIAN_FRONTEND=noninteractive apt-get -y upgrade
#9 0.404 Reading package lists...
#9 1.208 Building dependency tree...
#9 1.295 Reading state information...
#9 1.328 Calculating upgrade...
#9 1.483 The following packages will be upgraded:
#9 1.484   libc-bin libc-dev-bin libc-devtools libc6 libc6-dev
#9 1.709 5 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
#9 1.709 Need to get 5187 kB of archives.
#9 1.709 After this operation, 2048 B disk space will be freed.
#9 1.709 Get:1 http://ports.ubuntu.com/ubuntu-ports noble-updates/main s390x libc-devtools s390x 2.39-0ubuntu8.8 [30.7 kB]
#9 1.916 Get:2 http://ports.ubuntu.com/ubuntu-ports noble-updates/main s390x libc6-dev s390x 2.39-0ubuntu8.8 [1629 kB]
#9 2.443 Get:3 http://ports.ubuntu.com/ubuntu-ports noble-updates/main s390x libc-dev-bin s390x 2.39-0ubuntu8.8 [20.2 kB]
#9 2.443 Get:4 http://ports.ubuntu.com/ubuntu-ports noble-updates/main s390x libc6 s390x 2.39-0ubuntu8.8 [2852 kB]
#9 2.582 Get:5 http://ports.ubuntu.com/ubuntu-ports noble-updates/main s390x libc-bin s390x 2.39-0ubuntu8.8 [655 kB]
#9 2.865 debconf: delaying package configuration, since apt-utils is not installed
#9 2.921 Fetched 5187 kB in 1s (4760 kB/s)
#9 2.988 (Reading database ... 
(Reading database ... 5%
(Reading database ... 10%
(Reading database ... 15%
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(Reading database ... 25%
(Reading database ... 30%
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(Reading database ... 95%
(Reading database ... 100%
(Reading database ... 16067 files and directories currently installed.)
#9 3.102 Preparing to unpack .../libc-devtools_2.39-0ubuntu8.8_s390x.deb ...
#9 3.120 Unpacking libc-devtools (2.39-0ubuntu8.8) over (2.39-0ubuntu8.7) ...
#9 3.232 Preparing to unpack .../libc6-dev_2.39-0ubuntu8.8_s390x.deb ...
#9 3.266 Unpacking libc6-dev:s390x (2.39-0ubuntu8.8) over (2.39-0ubuntu8.7) ...
#9 7.399 Preparing to unpack .../libc-dev-bin_2.39-0ubuntu8.8_s390x.deb ...
#9 7.436 Unpacking libc-dev-bin (2.39-0ubuntu8.8) over (2.39-0ubuntu8.7) ...
#9 7.568 Preparing to unpack .../libc6_2.39-0ubuntu8.8_s390x.deb ...
#9 7.830 Unpacking libc6:s390x (2.39-0ubuntu8.8) over (2.39-0ubuntu8.7) ...
#9 10.08 Setting up libc6:s390x (2.39-0ubuntu8.8) ...
#9 11.18 (Reading database ... 
(Reading database ... 5%
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(Reading database ... 90%
(Reading database ... 95%
(Reading database ... 100%
(Reading database ... 16067 files and directories currently installed.)
#9 11.19 Preparing to unpack .../libc-bin_2.39-0ubuntu8.8_s390x.deb ...
#9 11.19 Unpacking libc-bin (2.39-0ubuntu8.8) over (2.39-0ubuntu8.7) ...
#9 11.38 Setting up libc-bin (2.39-0ubuntu8.8) ...
#9 11.65 Setting up libc-dev-bin (2.39-0ubuntu8.8) ...
#9 11.74 Setting up libc-devtools (2.39-0ubuntu8.8) ...
#9 11.81 Setting up libc6-dev:s390x (2.39-0ubuntu8.8) ...
#9 DONE 12.1s

#10 [4/8] RUN DEBIAN_FRONTEND=noninteractive apt-get -y install libzstd-dev
#10 0.559 Reading package lists...
#10 1.602 Building dependency tree...
#10 1.692 Reading state information...
#10 1.839 The following NEW packages will be installed:
#10 1.840   libzstd-dev
#10 2.196 0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded.
#10 2.196 Need to get 405 kB of archives.
#10 2.196 After this operation, 1394 kB of additional disk space will be used.
#10 2.196 Get:1 http://ports.ubuntu.com/ubuntu-ports noble-updates/main s390x libzstd-dev s390x 1.5.5+dfsg2-2build1.1 [405 kB]
#10 2.902 debconf: delaying package configuration, since apt-utils is not installed
#10 2.942 Fetched 405 kB in 1s (443 kB/s)
#10 2.980 Selecting previously unselected package libzstd-dev:s390x.
#10 2.980 (Reading database ... 
(Reading database ... 5%
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(Reading database ... 75%
(Reading database ... 80%
(Reading database ... 85%
(Reading database ... 90%
(Reading database ... 95%
(Reading database ... 100%
(Reading database ... 16067 files and directories currently installed.)
#10 2.988 Preparing to unpack .../libzstd-dev_1.5.5+dfsg2-2build1.1_s390x.deb ...
#10 3.002 Unpacking libzstd-dev:s390x (1.5.5+dfsg2-2build1.1) ...
#10 3.105 Setting up libzstd-dev:s390x (1.5.5+dfsg2-2build1.1) ...
#10 DONE 3.3s

#11 [5/8] RUN opam switch create 5.2 --packages=ocaml-base-compiler.5.2.1
#11 0.850 
#11 0.850 <><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><>
#11 0.850 Switch invariant: ["ocaml-base-compiler" {= "5.2.1"}]
#11 6.588 
#11 6.588 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#11 7.645 -> installed base-bigarray.base
#11 7.646 -> installed base-threads.base
#11 7.652 -> installed base-unix.base
#11 7.660 -> installed ocaml-options-vanilla.1
#11 8.048 -> retrieved ocaml-config.3  (2 extra sources)
#11 8.350 -> retrieved ocaml-base-compiler.5.2.1  (https://opam.ocaml.org/cache)
#11 171.6 -> installed ocaml-base-compiler.5.2.1
#11 171.6 -> installed ocaml-config.3
#11 171.7 -> installed ocaml.5.2.1
#11 171.7 -> installed base-domains.base
#11 171.7 -> installed base-nnp.base
#11 171.9 Done.
#11 171.9 # Run eval $(opam env --switch=5.2) to update the current shell environment
#11 DONE 176.0s

#12 [6/8] RUN opam pin add -k version ocaml-base-compiler 5.2.1
#12 0.620 ocaml-base-compiler is now pinned to version 5.2.1
#12 0.620 
#12 6.588 No package build needed.
#12 6.588 Nothing to do.
#12 6.588 # Run eval $(opam env) to update the current shell environment
#12 DONE 7.1s

#13 [7/8] RUN opam install -y opam-depext
#13 6.446 The following actions will be performed:
#13 6.446   - install opam-depext 1.2.3
#13 6.446 
#13 6.446 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#13 6.949 -> retrieved opam-depext.1.2.3  (https://opam.ocaml.org/cache)
#13 8.266 -> installed opam-depext.1.2.3
#13 8.269 Done.
#13 8.269 
#13 8.269 <><> opam-depext.1.2.3 installed successfully <><><><><><><><><><><><><><><><><>
#13 8.269 => opam-depext is unnecessary when used with opam >= 2.1. Please use opam install directly instead
#13 8.269 # Run eval $(opam env) to update the current shell environment
#13 DONE 9.7s

#14 [8/8] COPY --link [ Dockerfile, /Dockerfile.ocaml ]
#14 DONE 0.2s

#15 exporting to image
#15 exporting layers
#15 exporting layers 1.1s done
#15 writing image sha256:64225488d413352f0d9124736b3e80d7e1981d50f1e6d5b510532bf8879c59c5 done
#15 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 14)
Pushing "sha256:64225488d413352f0d9124736b3e80d7e1981d50f1e6d5b510532bf8879c59c5" to "ocurrent/opam-staging:ubuntu-24.04-ocaml-5.2-s390x" as user "ocurrentbuilder"
Login Succeeded
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ubuntu-24.04-ocaml-5.2-s390x: digest: sha256:69eca1a31df5c48c321ac63c4c085d1ea4666457f06d53d768d4357cc4177643 size: 10133
Job succeeded
2026-07-27 17:26.41: Job succeeded