2026-06-06 06:54.55: New job: Build using linux-arm64 in
                                []
2026-06-06 06:54.55: Will push staging image to ocurrent/opam-staging:ubuntu-24.04-ocaml-5.5-arm64

Dockerfile:

# syntax=docker/dockerfile:1

FROM ocurrent/opam-staging@sha256:cc26a838be7a69eccea4b1b9bc39918f52ea575294d12873855574e951684b63
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 5.5 --packages=ocaml-variants.5.5.0+trunk
RUN opam pin add -k version ocaml-variants 5.5.0+trunk
RUN opam install -y opam-depext
ENTRYPOINT [ "opam", "exec", "--" ]
CMD bash
COPY --link [ "Dockerfile", "/Dockerfile.ocaml" ]


2026-06-06 06:54.55: Using cache hint "5.5.0-arm64-ocurrent/opam-staging@sha256:cc26a838be7a69eccea4b1b9bc39918f52ea575294d12873855574e951684b63"
2026-06-06 08:43.26: Waiting for worker…
2026-06-06 08:43.26: Got resource from pool OCluster
Building on ainia.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 0.6s

#3 docker-image://docker.io/docker/dockerfile:1@sha256:87999aa3d42bdc6bea60565083ee17e86d1f3339802f543c0d03998580f9cb89
#3 CACHED

#4 [internal] load metadata for docker.io/ocurrent/opam-staging@sha256:cc26a838be7a69eccea4b1b9bc39918f52ea575294d12873855574e951684b63
#4 DONE 0.5s

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

#6 [1/9] FROM docker.io/ocurrent/opam-staging@sha256:cc26a838be7a69eccea4b1b9bc39918f52ea575294d12873855574e951684b63
#6 CACHED

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

#8 [2/9] RUN opam repo add beta git+https://github.com/ocaml/ocaml-beta-repository --set-default
#8 0.946 [beta] Initialised
#8 DONE 1.3s

#9 [3/9] RUN apt-get -y update
#9 0.389 Hit:1 http://ports.ubuntu.com/ubuntu-ports noble InRelease
#9 0.429 Get:2 http://ports.ubuntu.com/ubuntu-ports noble-updates InRelease [126 kB]
#9 0.595 Hit:3 http://ports.ubuntu.com/ubuntu-ports noble-backports InRelease
#9 0.642 Hit:4 http://ports.ubuntu.com/ubuntu-ports noble-security InRelease
#9 0.674 Get:5 http://ports.ubuntu.com/ubuntu-ports noble-updates/main arm64 Packages [2667 kB]
#9 0.895 Fetched 2793 kB in 1s (4627 kB/s)
#9 0.895 Reading package lists...
#9 DONE 2.1s

#10 [4/9] RUN DEBIAN_FRONTEND=noninteractive apt-get -y upgrade
#10 0.215 Reading package lists...
#10 1.405 Building dependency tree...
#10 1.688 Reading state information...
#10 1.772 Calculating upgrade...
#10 2.177 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
#10 DONE 2.2s

#11 [5/9] RUN DEBIAN_FRONTEND=noninteractive apt-get -y install libzstd-dev
#11 0.216 Reading package lists...
#11 1.393 Building dependency tree...
#11 1.672 Reading state information...
#11 2.070 The following NEW packages will be installed:
#11 2.071   libzstd-dev
#11 2.150 0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded.
#11 2.150 Need to get 344 kB of archives.
#11 2.150 After this operation, 1163 kB of additional disk space will be used.
#11 2.150 Get:1 http://ports.ubuntu.com/ubuntu-ports noble-updates/main arm64 libzstd-dev arm64 1.5.5+dfsg2-2build1.1 [344 kB]
#11 2.342 debconf: delaying package configuration, since apt-utils is not installed
#11 2.402 Fetched 344 kB in 0s (4224 kB/s)
#11 2.426 Selecting previously unselected package libzstd-dev:arm64.
#11 2.426 (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 ... 16340 files and directories currently installed.)
#11 2.437 Preparing to unpack .../libzstd-dev_1.5.5+dfsg2-2build1.1_arm64.deb ...
#11 2.438 Unpacking libzstd-dev:arm64 (1.5.5+dfsg2-2build1.1) ...
#11 2.484 Setting up libzstd-dev:arm64 (1.5.5+dfsg2-2build1.1) ...
#11 DONE 2.5s

#12 [6/9] RUN opam switch create 5.5 --packages=ocaml-variants.5.5.0+trunk
#12 0.593 
#12 0.593 <><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><>
#12 0.593 Switch invariant: ["ocaml-variants" {= "5.5.0+trunk"}]
#12 7.070 
#12 7.070 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#12 9.599 -> installed base-bigarray.base
#12 9.600 -> installed base-threads.base
#12 9.601 -> installed base-unix.base
#12 9.612 -> installed compiler-cloning.disabled
#12 9.613 -> installed host-arch-arm64.1
#12 9.614 -> installed host-system-other.1
#12 9.632 -> retrieved ocaml.5.5.0  (https://opam.ocaml.org/cache)
#12 9.948 -> retrieved ocaml-compiler.5.5  (https://github.com/ocaml/ocaml/archive/5.5.tar.gz)
#12 123.4 -> installed ocaml-compiler.5.5
#12 123.4 -> installed ocaml-variants.5.5.0+trunk
#12 123.5 -> installed ocaml.5.5.0
#12 123.5 -> installed base-domains.base
#12 123.5 -> installed base-effects.base
#12 123.5 -> installed base-nnp.base
#12 123.8 Done.
#12 123.8 # Run eval $(opam env --switch=5.5) to update the current shell environment
#12 DONE 125.3s

#13 [7/9] RUN opam pin add -k version ocaml-variants 5.5.0+trunk
#13 0.574 ocaml-variants is now pinned to version 5.5.0+trunk
#13 0.574 
#13 7.382 No package build needed.
#13 7.382 Nothing to do.
#13 7.382 # Run eval $(opam env) to update the current shell environment
#13 DONE 7.4s

#14 [8/9] RUN opam install -y opam-depext
#14 7.595 The following actions will be performed:
#14 7.595   - install opam-depext 1.2.3
#14 7.595 
#14 7.595 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#14 7.741 -> retrieved opam-depext.1.2.3  (https://opam.ocaml.org/cache)
#14 11.08 -> installed opam-depext.1.2.3
#14 11.09 Done.
#14 11.09 
#14 11.09 <><> opam-depext.1.2.3 installed successfully <><><><><><><><><><><><><><><><><>
#14 11.09 => opam-depext is unnecessary when used with opam >= 2.1. Please use opam install directly instead
#14 11.09 # Run eval $(opam env) to update the current shell environment
#14 DONE 12.3s

#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:f0222b97841eed7c2552219cc782d76f134eb8c50bd7c0fabcff15b1f3583475 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:f0222b97841eed7c2552219cc782d76f134eb8c50bd7c0fabcff15b1f3583475" to "ocurrent/opam-staging:ubuntu-24.04-ocaml-5.5-arm64" as user "ocurrentbuilder"
Login Succeeded
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Job succeeded
2026-06-06 08:47.01: Job succeeded