2026-06-06 07:05.35: New job: Build using linux-arm64 in
                                []
2026-06-06 07:05.35: Will push staging image to ocurrent/opam-staging:debian-12-ocaml-5.4-arm64

Dockerfile:

# syntax=docker/dockerfile:1

FROM ocurrent/opam-staging@sha256:4c0fb9ad2ff8a28756c417c3f6aa3bc2b3876b8824301f2b0f45395965ae2f47
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 5.4 --packages=ocaml-base-compiler.5.4.1
RUN opam pin add -k version ocaml-base-compiler 5.4.1
RUN opam install -y opam-depext
ENTRYPOINT [ "opam", "exec", "--" ]
CMD bash
COPY --link [ "Dockerfile", "/Dockerfile.ocaml" ]


2026-06-06 07:05.35: Using cache hint "5.4.1-arm64-ocurrent/opam-staging@sha256:4c0fb9ad2ff8a28756c417c3f6aa3bc2b3876b8824301f2b0f45395965ae2f47"
2026-06-06 11:26.31: Waiting for worker…
2026-06-06 11:26.31: 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: 663B done
#1 DONE 0.0s

#2 resolve image config for docker-image://docker.io/docker/dockerfile:1
#2 DONE 0.5s

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

#4 [internal] load metadata for docker.io/ocurrent/opam-staging@sha256:4c0fb9ad2ff8a28756c417c3f6aa3bc2b3876b8824301f2b0f45395965ae2f47
#4 DONE 0.0s

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

#6 [1/8] FROM docker.io/ocurrent/opam-staging@sha256:4c0fb9ad2ff8a28756c417c3f6aa3bc2b3876b8824301f2b0f45395965ae2f47
#6 CACHED

#7 [internal] load build context
#7 transferring context: 663B done
#7 DONE 0.0s

#8 [2/8] RUN apt-get -y update
#8 0.228 Hit:1 http://deb.debian.org/debian bookworm InRelease
#8 0.228 Get:2 http://deb.debian.org/debian bookworm-updates InRelease [55.4 kB]
#8 0.230 Get:3 http://deb.debian.org/debian-security bookworm-security InRelease [48.0 kB]
#8 0.578 Get:4 http://deb.debian.org/debian-security bookworm-security/main arm64 Packages [303 kB]
#8 0.637 Fetched 406 kB in 0s (938 kB/s)
#8 0.637 Reading package lists...
#8 DONE 1.3s

#9 [3/8] RUN DEBIAN_FRONTEND=noninteractive apt-get -y upgrade
#9 0.195 Reading package lists...
#9 0.738 Building dependency tree...
#9 0.891 Reading state information...
#9 0.923 Calculating upgrade...
#9 1.138 The following packages will be upgraded:
#9 1.138   linux-libc-dev
#9 1.167 1 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
#9 1.167 Need to get 2248 kB of archives.
#9 1.167 After this operation, 1024 B of additional disk space will be used.
#9 1.167 Get:1 http://deb.debian.org/debian-security bookworm-security/main arm64 linux-libc-dev arm64 6.1.174-1 [2248 kB]
#9 1.457 debconf: delaying package configuration, since apt-utils is not installed
#9 1.494 Fetched 2248 kB in 0s (21.6 MB/s)
#9 1.521 (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 ... 18778 files and directories currently installed.)
#9 1.569 Preparing to unpack .../linux-libc-dev_6.1.174-1_arm64.deb ...
#9 1.572 Unpacking linux-libc-dev:arm64 (6.1.174-1) over (6.1.172-1) ...
#9 2.308 Setting up linux-libc-dev:arm64 (6.1.174-1) ...
#9 DONE 2.3s

#10 [4/8] RUN DEBIAN_FRONTEND=noninteractive apt-get -y install libzstd-dev
#10 0.263 Reading package lists...
#10 0.783 Building dependency tree...
#10 0.914 Reading state information...
#10 1.137 The following NEW packages will be installed:
#10 1.138   libzstd-dev
#10 1.168 0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded.
#10 1.168 Need to get 317 kB of archives.
#10 1.168 After this operation, 1139 kB of additional disk space will be used.
#10 1.168 Get:1 http://deb.debian.org/debian bookworm/main arm64 libzstd-dev arm64 1.5.4+dfsg2-5 [317 kB]
#10 1.310 debconf: delaying package configuration, since apt-utils is not installed
#10 1.348 Fetched 317 kB in 0s (10.2 MB/s)
#10 1.367 Selecting previously unselected package libzstd-dev:arm64.
#10 1.367 (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 ... 18778 files and directories currently installed.)
#10 1.380 Preparing to unpack .../libzstd-dev_1.5.4+dfsg2-5_arm64.deb ...
#10 1.381 Unpacking libzstd-dev:arm64 (1.5.4+dfsg2-5) ...
#10 1.433 Setting up libzstd-dev:arm64 (1.5.4+dfsg2-5) ...
#10 DONE 1.5s

#11 [5/8] RUN opam switch create 5.4 --packages=ocaml-base-compiler.5.4.1
#11 0.641 
#11 0.641 <><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><>
#11 0.641 Switch invariant: ["ocaml-base-compiler" {= "5.4.1"}]
#11 6.248 
#11 6.248 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#11 8.786 -> installed base-bigarray.base
#11 8.794 -> installed base-threads.base
#11 8.794 -> installed base-unix.base
#11 8.795 -> installed ocaml-options-vanilla.1
#11 8.963 -> retrieved ocaml-config.3  (2 extra sources)
#11 9.624 -> retrieved ocaml-compiler.5.4.1  (https://opam.ocaml.org/cache)
#11 116.4 -> installed ocaml-compiler.5.4.1
#11 116.4 -> installed ocaml-base-compiler.5.4.1
#11 116.4 -> installed ocaml-config.3
#11 116.5 -> installed ocaml.5.4.1
#11 116.5 -> installed base-domains.base
#11 116.5 -> installed base-effects.base
#11 116.5 -> installed base-nnp.base
#11 116.9 Done.
#11 116.9 # Run eval $(opam env --switch=5.4) to update the current shell environment
#11 DONE 118.5s

#12 [6/8] RUN opam pin add -k version ocaml-base-compiler 5.4.1
#12 0.566 ocaml-base-compiler is now pinned to version 5.4.1
#12 0.566 
#12 6.426 No package build needed.
#12 6.426 Nothing to do.
#12 6.426 # Run eval $(opam env) to update the current shell environment
#12 DONE 6.5s

#13 [7/8] RUN opam install -y opam-depext
#13 6.621 The following actions will be performed:
#13 6.621   - install opam-depext 1.2.3
#13 6.621 
#13 6.621 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#13 6.866 -> retrieved opam-depext.1.2.3  (https://opam.ocaml.org/cache)
#13 10.13 -> installed opam-depext.1.2.3
#13 10.14 Done.
#13 10.14 
#13 10.14 <><> opam-depext.1.2.3 installed successfully <><><><><><><><><><><><><><><><><>
#13 10.14 => opam-depext is unnecessary when used with opam >= 2.1. Please use opam install directly instead
#13 10.15 # Run eval $(opam env) to update the current shell environment
#13 DONE 11.5s

#14 [8/8] COPY --link [ Dockerfile, /Dockerfile.ocaml ]
#14 DONE 0.0s

#15 exporting to image
#15 exporting layers
#15 exporting layers 2.0s done
#15 writing image sha256:2b08c8b4c27cd58ca18030e3bd2c0b96830059e820872bb1886e36ddeffc64a9 done
#15 DONE 2.0s

 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 "sha256:2b08c8b4c27cd58ca18030e3bd2c0b96830059e820872bb1886e36ddeffc64a9" to "ocurrent/opam-staging:debian-12-ocaml-5.4-arm64" as user "ocurrentbuilder"
Login Succeeded
The push refers to repository [docker.io/ocurrent/opam-staging]
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debian-12-ocaml-5.4-arm64: digest: sha256:db4769e30028fd43b7f2c0c2c24db6a5c0d9fef3685e9077725461ab639ae30c size: 10130
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debian-12-ocaml-5.4-arm64: digest: sha256:db4769e30028fd43b7f2c0c2c24db6a5c0d9fef3685e9077725461ab639ae30c size: 10130
Job succeeded
2026-06-06 11:29.45: Job succeeded