Build:
  1. 1
  2. 0
2026-05-10 12:16.25: New job: Build using linux-arm64 in
                                []
2026-05-10 12:16.25: Will push staging image to ocurrent/opam-staging:ubuntu-25.10-ocaml-5.6-arm64

Dockerfile:

# syntax=docker/dockerfile:1

FROM ocurrent/opam-staging@sha256:adab8238e09967393dcdda9c26af5b00f8371aec8928a0130ed2193ea1014f3d
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" ]


2026-05-10 12:16.25: Using cache hint "5.6.0-arm64-ocurrent/opam-staging@sha256:adab8238e09967393dcdda9c26af5b00f8371aec8928a0130ed2193ea1014f3d"
2026-05-10 12:16.25: Waiting for worker…
2026-05-10 12:16.25: Got resource from pool OCluster
Building on okypous.caelum.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 0.0s

#2 resolve image config for docker-image://docker.io/docker/dockerfile:1
#2 DONE 0.7s

#3 docker-image://docker.io/docker/dockerfile:1@sha256:2780b5c3bab67f1f76c781860de469442999ed1a0d7992a5efdf2cffc0e3d769
#3 CACHED

#4 [internal] load metadata for docker.io/ocurrent/opam-staging@sha256:adab8238e09967393dcdda9c26af5b00f8371aec8928a0130ed2193ea1014f3d
#4 DONE 0.0s

#5 [internal] load .dockerignore
#5 transferring context: 2B done
#5 DONE 0.0s

#6 [internal] load build context
#6 transferring context: 753B done
#6 DONE 0.0s

#7 [1/9] FROM docker.io/ocurrent/opam-staging@sha256:adab8238e09967393dcdda9c26af5b00f8371aec8928a0130ed2193ea1014f3d
#7 resolve docker.io/ocurrent/opam-staging@sha256:adab8238e09967393dcdda9c26af5b00f8371aec8928a0130ed2193ea1014f3d
#7 resolve docker.io/ocurrent/opam-staging@sha256:adab8238e09967393dcdda9c26af5b00f8371aec8928a0130ed2193ea1014f3d 0.8s done
#7 DONE 0.8s

#7 [1/9] FROM docker.io/ocurrent/opam-staging@sha256:adab8238e09967393dcdda9c26af5b00f8371aec8928a0130ed2193ea1014f3d
#7 CACHED

#8 [2/9] RUN opam repo add beta git+https://github.com/ocaml/ocaml-beta-repository --set-default
#8 1.059 [beta] Initialised
#8 DONE 1.4s

#9 [3/9] RUN apt-get -y update
#9 0.508 Hit:1 http://ports.ubuntu.com/ubuntu-ports questing InRelease
#9 0.588 Get:2 http://ports.ubuntu.com/ubuntu-ports questing-updates InRelease [136 kB]
#9 0.930 Get:3 http://ports.ubuntu.com/ubuntu-ports questing-backports InRelease [133 kB]
#9 1.071 Get:4 http://ports.ubuntu.com/ubuntu-ports questing-security InRelease [136 kB]
#9 1.208 Get:5 http://ports.ubuntu.com/ubuntu-ports questing-updates/universe arm64 Packages [367 kB]
#9 1.350 Get:6 http://ports.ubuntu.com/ubuntu-ports questing-updates/main arm64 Packages [560 kB]
#9 1.429 Get:7 http://ports.ubuntu.com/ubuntu-ports questing-updates/restricted arm64 Packages [447 kB]
#9 1.476 Get:8 http://ports.ubuntu.com/ubuntu-ports questing-updates/multiverse arm64 Packages [19.6 kB]
#9 1.477 Get:9 http://ports.ubuntu.com/ubuntu-ports questing-backports/universe arm64 Packages [3991 B]
#9 1.477 Get:10 http://ports.ubuntu.com/ubuntu-ports questing-security/multiverse arm64 Packages [2682 B]
#9 1.478 Get:11 http://ports.ubuntu.com/ubuntu-ports questing-security/restricted arm64 Packages [430 kB]
#9 1.505 Get:12 http://ports.ubuntu.com/ubuntu-ports questing-security/universe arm64 Packages [279 kB]
#9 1.520 Get:13 http://ports.ubuntu.com/ubuntu-ports questing-security/main arm64 Packages [423 kB]
#9 1.580 Fetched 2936 kB in 1s (2302 kB/s)
#9 1.580 Reading package lists...
#9 DONE 2.3s

#10 [4/9] RUN DEBIAN_FRONTEND=noninteractive apt-get -y upgrade
#10 0.223 Reading package lists...
#10 0.944 Building dependency tree...
#10 1.117 Reading state information...
#10 1.173 Calculating upgrade...
#10 1.482 The following packages will be upgraded:
#10 1.482   bsdutils curl dpkg dpkg-dev gnu-coreutils libblkid1 libcap-dev libcap2
#10 1.482   libcurl3t64-gnutls libcurl4t64 libdpkg-perl libgnutls30t64 liblastlog2-2
#10 1.482   libmount1 libnghttp2-14 libsmartcols1 libssl3t64 libsystemd0 libudev1
#10 1.482   libuuid1 linux-libc-dev login mount openssh-client openssl
#10 1.483   openssl-provider-legacy sed sudo util-linux
#10 1.574 29 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
#10 1.574 Need to get 17.0 MB of archives.
#10 1.574 After this operation, 73.7 kB disk space will be freed.
#10 1.574 Get:1 http://ports.ubuntu.com/ubuntu-ports questing-updates/main arm64 bsdutils arm64 1:2.41-4ubuntu4.2 [107 kB]
#10 1.680 Get:2 http://ports.ubuntu.com/ubuntu-ports questing-updates/main arm64 dpkg arm64 1.22.21ubuntu3.2 [1277 kB]
#10 1.782 Get:3 http://ports.ubuntu.com/ubuntu-ports questing-updates/main arm64 sed arm64 4.9-2ubuntu0.25.10.1 [193 kB]
#10 1.787 Get:4 http://ports.ubuntu.com/ubuntu-ports questing-updates/main arm64 liblastlog2-2 arm64 2.41-4ubuntu4.2 [34.5 kB]
#10 1.788 Get:5 http://ports.ubuntu.com/ubuntu-ports questing-updates/main arm64 libuuid1 arm64 2.41-4ubuntu4.2 [43.7 kB]
#10 1.789 Get:6 http://ports.ubuntu.com/ubuntu-ports questing-updates/main arm64 libblkid1 arm64 2.41-4ubuntu4.2 [132 kB]
#10 1.792 Get:7 http://ports.ubuntu.com/ubuntu-ports questing-updates/main arm64 libmount1 arm64 2.41-4ubuntu4.2 [163 kB]
#10 1.796 Get:8 http://ports.ubuntu.com/ubuntu-ports questing-updates/main arm64 libsmartcols1 arm64 2.41-4ubuntu4.2 [91.2 kB]
#10 1.799 Get:9 http://ports.ubuntu.com/ubuntu-ports questing-updates/main arm64 util-linux arm64 2.41-4ubuntu4.2 [1120 kB]
#10 1.853 Get:10 http://ports.ubuntu.com/ubuntu-ports questing-updates/main arm64 mount arm64 2.41-4ubuntu4.2 [141 kB]
#10 1.856 Get:11 http://ports.ubuntu.com/ubuntu-ports questing-updates/main arm64 gnu-coreutils arm64 9.5-1ubuntu4.1 [1353 kB]
#10 1.868 Get:12 http://ports.ubuntu.com/ubuntu-ports questing-updates/main arm64 login arm64 1:4.16.0-2+really2.41-4ubuntu4.2 [102 kB]
#10 1.898 Get:13 http://ports.ubuntu.com/ubuntu-ports questing-updates/main arm64 libcap-dev arm64 1:2.75-7ubuntu2.2 [568 kB]
#10 1.905 Get:14 http://ports.ubuntu.com/ubuntu-ports questing-updates/main arm64 libcap2 arm64 1:2.75-7ubuntu2.2 [31.3 kB]
#10 1.905 Get:15 http://ports.ubuntu.com/ubuntu-ports questing-updates/main arm64 openssl-provider-legacy arm64 3.5.3-1ubuntu3.3 [38.4 kB]
#10 1.906 Get:16 http://ports.ubuntu.com/ubuntu-ports questing-updates/main arm64 libssl3t64 arm64 3.5.3-1ubuntu3.3 [2760 kB]
#10 2.008 Get:17 http://ports.ubuntu.com/ubuntu-ports questing-updates/main arm64 libsystemd0 arm64 257.9-0ubuntu2.4 [515 kB]
#10 2.012 Get:18 http://ports.ubuntu.com/ubuntu-ports questing-updates/main arm64 libudev1 arm64 257.9-0ubuntu2.4 [202 kB]
#10 2.013 Get:19 http://ports.ubuntu.com/ubuntu-ports questing-updates/main arm64 libgnutls30t64 arm64 3.8.9-3ubuntu2.1 [954 kB]
#10 2.019 Get:20 http://ports.ubuntu.com/ubuntu-ports questing-updates/main arm64 openssl arm64 3.5.3-1ubuntu3.3 [1221 kB]
#10 2.070 Get:21 http://ports.ubuntu.com/ubuntu-ports questing-updates/main arm64 sudo arm64 1.9.17p2-1ubuntu1.1 [931 kB]
#10 2.081 Get:22 http://ports.ubuntu.com/ubuntu-ports questing-updates/main arm64 libnghttp2-14 arm64 1.64.0-1.1ubuntu1.1 [74.9 kB]
#10 2.082 Get:23 http://ports.ubuntu.com/ubuntu-ports questing-updates/main arm64 openssh-client arm64 1:10.0p1-5ubuntu5.4 [919 kB]
#10 2.091 Get:24 http://ports.ubuntu.com/ubuntu-ports questing-updates/main arm64 curl arm64 8.14.1-2ubuntu1.3 [256 kB]
#10 2.094 Get:25 http://ports.ubuntu.com/ubuntu-ports questing-updates/main arm64 libcurl4t64 arm64 8.14.1-2ubuntu1.3 [403 kB]
#10 2.100 Get:26 http://ports.ubuntu.com/ubuntu-ports questing-updates/main arm64 dpkg-dev all 1.22.21ubuntu3.2 [1089 kB]
#10 2.113 Get:27 http://ports.ubuntu.com/ubuntu-ports questing-updates/main arm64 libdpkg-perl all 1.22.21ubuntu3.2 [281 kB]
#10 2.116 Get:28 http://ports.ubuntu.com/ubuntu-ports questing-updates/main arm64 libcurl3t64-gnutls arm64 8.14.1-2ubuntu1.3 [394 kB]
#10 2.150 Get:29 http://ports.ubuntu.com/ubuntu-ports questing-updates/main arm64 linux-libc-dev arm64 6.17.0-23.23 [1583 kB]
#10 3.165 Fetched 17.0 MB in 1s (25.2 MB/s)
#10 3.195 (Reading database ... 
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(Reading database ... 18782 files and directories currently installed.)
#10 3.243 Preparing to unpack .../bsdutils_1%3a2.41-4ubuntu4.2_arm64.deb ...
#10 3.245 Unpacking bsdutils (1:2.41-4ubuntu4.2) over (1:2.41-4ubuntu4.1) ...
#10 3.305 Setting up bsdutils (1:2.41-4ubuntu4.2) ...
#10 3.333 (Reading database ... 
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#10 3.344 Preparing to unpack .../dpkg_1.22.21ubuntu3.2_arm64.deb ...
#10 3.345 Unpacking dpkg (1.22.21ubuntu3.2) over (1.22.21ubuntu3.1) ...
#10 3.470 Setting up dpkg (1.22.21ubuntu3.2) ...
#10 3.648 (Reading database ... 
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#10 3.658 Preparing to unpack .../sed_4.9-2ubuntu0.25.10.1_arm64.deb ...
#10 3.660 Unpacking sed (4.9-2ubuntu0.25.10.1) over (4.9-2build2) ...
#10 3.699 Setting up sed (4.9-2ubuntu0.25.10.1) ...
#10 3.726 (Reading database ... 
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#10 3.737 Preparing to unpack .../liblastlog2-2_2.41-4ubuntu4.2_arm64.deb ...
#10 3.739 Unpacking liblastlog2-2:arm64 (2.41-4ubuntu4.2) over (2.41-4ubuntu4.1) ...
#10 3.772 Setting up liblastlog2-2:arm64 (2.41-4ubuntu4.2) ...
#10 3.799 (Reading database ... 
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#10 3.809 Preparing to unpack .../libuuid1_2.41-4ubuntu4.2_arm64.deb ...
#10 3.811 Unpacking libuuid1:arm64 (2.41-4ubuntu4.2) over (2.41-4ubuntu4.1) ...
#10 3.846 Setting up libuuid1:arm64 (2.41-4ubuntu4.2) ...
#10 3.874 (Reading database ... 
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#10 3.885 Preparing to unpack .../libblkid1_2.41-4ubuntu4.2_arm64.deb ...
#10 3.887 Unpacking libblkid1:arm64 (2.41-4ubuntu4.2) over (2.41-4ubuntu4.1) ...
#10 3.925 Setting up libblkid1:arm64 (2.41-4ubuntu4.2) ...
#10 3.953 (Reading database ... 
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#10 3.963 Preparing to unpack .../libmount1_2.41-4ubuntu4.2_arm64.deb ...
#10 3.965 Unpacking libmount1:arm64 (2.41-4ubuntu4.2) over (2.41-4ubuntu4.1) ...
#10 4.004 Setting up libmount1:arm64 (2.41-4ubuntu4.2) ...
#10 4.032 (Reading database ... 
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#10 4.042 Preparing to unpack .../libsmartcols1_2.41-4ubuntu4.2_arm64.deb ...
#10 4.044 Unpacking libsmartcols1:arm64 (2.41-4ubuntu4.2) over (2.41-4ubuntu4.1) ...
#10 4.079 Setting up libsmartcols1:arm64 (2.41-4ubuntu4.2) ...
#10 4.109 (Reading database ... 
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#10 4.119 Preparing to unpack .../util-linux_2.41-4ubuntu4.2_arm64.deb ...
#10 4.124 Unpacking util-linux (2.41-4ubuntu4.2) over (2.41-4ubuntu4.1) ...
#10 4.306 Setting up util-linux (2.41-4ubuntu4.2) ...
#10 4.473 (Reading database ... 
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#10 4.486 Preparing to unpack .../mount_2.41-4ubuntu4.2_arm64.deb ...
#10 4.487 Unpacking mount (2.41-4ubuntu4.2) over (2.41-4ubuntu4.1) ...
#10 4.527 Preparing to unpack .../gnu-coreutils_9.5-1ubuntu4.1_arm64.deb ...
#10 4.529 Unpacking gnu-coreutils (9.5-1ubuntu4.1) over (9.5-1ubuntu4) ...
#10 4.776 Setting up gnu-coreutils (9.5-1ubuntu4.1) ...
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#10 4.817 Preparing to unpack .../login_1%3a4.16.0-2+really2.41-4ubuntu4.2_arm64.deb ...
#10 4.854 Unpacking login (1:4.16.0-2+really2.41-4ubuntu4.2) over (1:4.16.0-2+really2.41-4ubuntu4.1) ...
#10 4.906 Preparing to unpack .../libcap-dev_1%3a2.75-7ubuntu2.2_arm64.deb ...
#10 4.908 Unpacking libcap-dev:arm64 (1:2.75-7ubuntu2.2) over (1:2.75-7ubuntu2) ...
#10 4.981 Preparing to unpack .../libcap2_1%3a2.75-7ubuntu2.2_arm64.deb ...
#10 4.983 Unpacking libcap2:arm64 (1:2.75-7ubuntu2.2) over (1:2.75-7ubuntu2) ...
#10 5.018 Setting up libcap2:arm64 (1:2.75-7ubuntu2.2) ...
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#10 5.054 Preparing to unpack .../openssl-provider-legacy_3.5.3-1ubuntu3.3_arm64.deb ...
#10 5.057 Unpacking openssl-provider-legacy (3.5.3-1ubuntu3.3) over (3.5.3-1ubuntu3) ...
#10 5.095 Setting up openssl-provider-legacy (3.5.3-1ubuntu3.3) ...
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#10 5.135 Preparing to unpack .../libssl3t64_3.5.3-1ubuntu3.3_arm64.deb ...
#10 5.136 Unpacking libssl3t64:arm64 (3.5.3-1ubuntu3.3) over (3.5.3-1ubuntu3) ...
#10 5.241 Setting up libssl3t64:arm64 (3.5.3-1ubuntu3.3) ...
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#10 5.278 Preparing to unpack .../libsystemd0_257.9-0ubuntu2.4_arm64.deb ...
#10 5.280 Unpacking libsystemd0:arm64 (257.9-0ubuntu2.4) over (257.9-0ubuntu2.1) ...
#10 5.323 Setting up libsystemd0:arm64 (257.9-0ubuntu2.4) ...
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#10 5.362 Preparing to unpack .../libudev1_257.9-0ubuntu2.4_arm64.deb ...
#10 5.364 Unpacking libudev1:arm64 (257.9-0ubuntu2.4) over (257.9-0ubuntu2.1) ...
#10 5.400 Setting up libudev1:arm64 (257.9-0ubuntu2.4) ...
#10 5.429 (Reading database ... 
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#10 5.442 Preparing to unpack .../00-libgnutls30t64_3.8.9-3ubuntu2.1_arm64.deb ...
#10 5.444 Unpacking libgnutls30t64:arm64 (3.8.9-3ubuntu2.1) over (3.8.9-3ubuntu2) ...
#10 5.495 Preparing to unpack .../01-openssl_3.5.3-1ubuntu3.3_arm64.deb ...
#10 5.497 Unpacking openssl (3.5.3-1ubuntu3.3) over (3.5.3-1ubuntu3) ...
#10 5.550 Preparing to unpack .../02-sudo_1.9.17p2-1ubuntu1.1_arm64.deb ...
#10 5.559 Unpacking sudo (1.9.17p2-1ubuntu1.1) over (1.9.17p2-1ubuntu1) ...
#10 5.639 Preparing to unpack .../03-libnghttp2-14_1.64.0-1.1ubuntu1.1_arm64.deb ...
#10 5.641 Unpacking libnghttp2-14:arm64 (1.64.0-1.1ubuntu1.1) over (1.64.0-1.1ubuntu1) ...
#10 5.672 Preparing to unpack .../04-openssh-client_1%3a10.0p1-5ubuntu5.4_arm64.deb ...
#10 5.695 Unpacking openssh-client (1:10.0p1-5ubuntu5.4) over (1:10.0p1-5ubuntu5) ...
#10 5.784 Preparing to unpack .../05-curl_8.14.1-2ubuntu1.3_arm64.deb ...
#10 5.786 Unpacking curl (8.14.1-2ubuntu1.3) over (8.14.1-2ubuntu1) ...
#10 5.824 Preparing to unpack .../06-libcurl4t64_8.14.1-2ubuntu1.3_arm64.deb ...
#10 5.826 Unpacking libcurl4t64:arm64 (8.14.1-2ubuntu1.3) over (8.14.1-2ubuntu1) ...
#10 5.865 Preparing to unpack .../07-dpkg-dev_1.22.21ubuntu3.2_all.deb ...
#10 5.867 Unpacking dpkg-dev (1.22.21ubuntu3.2) over (1.22.21ubuntu3.1) ...
#10 5.927 Preparing to unpack .../08-libdpkg-perl_1.22.21ubuntu3.2_all.deb ...
#10 5.929 Unpacking libdpkg-perl (1.22.21ubuntu3.2) over (1.22.21ubuntu3.1) ...
#10 6.045 Preparing to unpack .../09-libcurl3t64-gnutls_8.14.1-2ubuntu1.3_arm64.deb ...
#10 6.048 Unpacking libcurl3t64-gnutls:arm64 (8.14.1-2ubuntu1.3) over (8.14.1-2ubuntu1) ...
#10 6.086 Preparing to unpack .../10-linux-libc-dev_6.17.0-23.23_arm64.deb ...
#10 6.088 Unpacking linux-libc-dev:arm64 (6.17.0-23.23) over (6.17.0-14.14) ...
#10 6.896 Setting up libgnutls30t64:arm64 (3.8.9-3ubuntu2.1) ...
#10 6.899 Setting up openssh-client (1:10.0p1-5ubuntu5.4) ...
#10 7.043 Setting up libnghttp2-14:arm64 (1.64.0-1.1ubuntu1.1) ...
#10 7.045 Setting up libcurl3t64-gnutls:arm64 (8.14.1-2ubuntu1.3) ...
#10 7.046 Setting up linux-libc-dev:arm64 (6.17.0-23.23) ...
#10 7.048 Setting up sudo (1.9.17p2-1ubuntu1.1) ...
#10 7.063 update-alternatives: warning: forcing reinstallation of alternative /usr/lib/cargo/bin/sudo because link group sudo is broken
#10 7.064 update-alternatives: warning: skip creation of /usr/share/man/man8/sudo.8.gz because associated file /usr/share/man/man8/sudo-rs.8.gz (of link group sudo) doesn't exist
#10 7.064 update-alternatives: warning: skip creation of /usr/share/man/man8/sudoedit.8.gz because associated file /usr/share/man/man8/sudo-rs.8.gz (of link group sudo) doesn't exist
#10 7.064 update-alternatives: warning: skip creation of /usr/share/man/man5/sudoers.5.gz because associated file /usr/share/man/man5/sudoers-rs.5.gz (of link group sudo) doesn't exist
#10 7.064 update-alternatives: warning: skip creation of /usr/share/man/man8/visudo.8.gz because associated file /usr/share/man/man8/visudo-rs.8.gz (of link group sudo) doesn't exist
#10 7.066 Setting up libdpkg-perl (1.22.21ubuntu3.2) ...
#10 7.068 Setting up mount (2.41-4ubuntu4.2) ...
#10 7.070 Setting up openssl (3.5.3-1ubuntu3.3) ...
#10 7.075 Setting up libcap-dev:arm64 (1:2.75-7ubuntu2.2) ...
#10 7.077 Setting up login (1:4.16.0-2+really2.41-4ubuntu4.2) ...
#10 7.098 Setting up libcurl4t64:arm64 (8.14.1-2ubuntu1.3) ...
#10 7.101 Setting up dpkg-dev (1.22.21ubuntu3.2) ...
#10 7.104 Setting up curl (8.14.1-2ubuntu1.3) ...
#10 7.106 Processing triggers for libc-bin (2.42-0ubuntu3.1) ...
#10 DONE 7.2s

#11 [5/9] RUN DEBIAN_FRONTEND=noninteractive apt-get -y install libzstd-dev
#11 0.261 Reading package lists...
#11 0.979 Building dependency tree...
#11 1.150 Reading state information...
#11 1.182 Solving dependencies...
#11 1.436 The following NEW packages will be installed:
#11 1.437   libzstd-dev
#11 31.70 0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded.
#11 31.70 Need to get 363 kB of archives.
#11 31.70 After this operation, 1268 kB of additional disk space will be used.
#11 31.70 Get:1 http://ports.ubuntu.com/ubuntu-ports questing/main arm64 libzstd-dev arm64 1.5.7+dfsg-1build2 [363 kB]
#11 33.01 Fetched 363 kB in 31s (11.8 kB/s)
#11 33.03 Selecting previously unselected package libzstd-dev:arm64.
#11 33.03 (Reading database ... 
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#11 33.05 Preparing to unpack .../libzstd-dev_1.5.7+dfsg-1build2_arm64.deb ...
#11 33.05 Unpacking libzstd-dev:arm64 (1.5.7+dfsg-1build2) ...
#11 33.09 Setting up libzstd-dev:arm64 (1.5.7+dfsg-1build2) ...
#11 DONE 33.1s

#12 [6/9] RUN opam switch create 5.6 --packages=ocaml-variants.5.6.0+trunk
#12 0.567 
#12 0.567 <><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><>
#12 0.567 Switch invariant: ["ocaml-variants" {= "5.6.0+trunk"}]
#12 6.482 
#12 6.482 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#12 9.109 -> installed base-bigarray.base
#12 9.110 -> installed base-threads.base
#12 9.111 -> installed base-unix.base
#12 9.112 -> installed host-arch-arm64.1
#12 9.113 -> installed host-system-other.1
#12 9.133 -> retrieved ocaml.5.6.0  (https://opam.ocaml.org/cache)
#12 9.441 -> retrieved ocaml-compiler.5.6  (https://github.com/ocaml/ocaml/archive/trunk.tar.gz)
#12 121.2 -> installed ocaml-compiler.5.6
#12 121.2 -> installed ocaml-variants.5.6.0+trunk
#12 121.3 -> installed ocaml.5.6.0
#12 121.3 -> installed base-domains.base
#12 121.3 -> installed base-effects.base
#12 121.3 -> installed base-nnp.base
#12 121.6 Done.
#12 121.6 # Run eval $(opam env --switch=5.6) to update the current shell environment
#12 DONE 123.0s

#13 [7/9] RUN opam pin add -k version ocaml-variants 5.6.0+trunk
#13 0.558 ocaml-variants is now pinned to version 5.6.0+trunk
#13 0.558 
#13 6.618 Already up-to-date.
#13 6.618 Nothing to do.
#13 6.619 # Run eval $(opam env) to update the current shell environment
#13 DONE 6.7s

#14 [8/9] RUN opam install -y opam-depext
#14 6.861 The following actions will be performed:
#14 6.861   - install opam-depext 1.2.3
#14 6.861 
#14 6.861 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#14 7.097 -> retrieved opam-depext.1.2.3  (https://opam.ocaml.org/cache)
#14 10.37 -> installed opam-depext.1.2.3
#14 10.38 Done.
#14 10.38 
#14 10.38 <><> opam-depext.1.2.3 installed successfully <><><><><><><><><><><><><><><><><>
#14 10.38 => opam-depext is unnecessary when used with opam >= 2.1. Please use opam install directly instead
#14 10.38 # Run eval $(opam env) to update the current shell environment
#14 DONE 11.5s

#15 [9/9] COPY --link [ Dockerfile, /Dockerfile.ocaml ]
#15 DONE 0.0s

#16 exporting to image
#16 exporting layers
#16 exporting layers 1.7s done
#16 writing image sha256:ad4a82c64894b1c813569c5fbb253943a7eb7e131e03e536c2f4421dab00aa14 done
#16 DONE 1.7s

 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:ad4a82c64894b1c813569c5fbb253943a7eb7e131e03e536c2f4421dab00aa14" to "ocurrent/opam-staging:ubuntu-25.10-ocaml-5.6-arm64" as user "ocurrentbuilder"
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Job succeeded
2026-05-10 12:20.25: Job succeeded