2026-06-06 07:04.28: New job: Build using linux-arm64 in
                                []
2026-06-06 07:04.28: Will push staging image to ocurrent/opam-staging:debian-13-ocaml-5.5-flambda-arm64

Dockerfile:

# syntax=docker/dockerfile:1

FROM ocurrent/opam-staging@sha256:1db87943f0cab33eb9db868955f5e4ffa1c8159a7116243d5ecc72604a634f5c
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,ocaml-options-only-flambda
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 07:04.28: Using cache hint "5.5.0+flambda-arm64-ocurrent/opam-staging@sha256:1db87943f0cab33eb9db868955f5e4ffa1c8159a7116243d5ecc72604a634f5c"
2026-06-06 10:50.01: Waiting for worker…
2026-06-06 10:50.01: Got resource from pool OCluster
Building on kydoime.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 DONE 0.0s

#1 [internal] load build definition from Dockerfile
#1 transferring dockerfile: 780B done
#1 DONE 0.1s

#2 resolve image config for docker-image://docker.io/docker/dockerfile:1
#2 DONE 0.4s

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

#4 [internal] load metadata for docker.io/ocurrent/opam-staging@sha256:1db87943f0cab33eb9db868955f5e4ffa1c8159a7116243d5ecc72604a634f5c
#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@sha256:1db87943f0cab33eb9db868955f5e4ffa1c8159a7116243d5ecc72604a634f5c
#6 CACHED

#7 [internal] load build context
#7 transferring context: 780B done
#7 DONE 0.1s

#8 [2/9] RUN opam repo add beta git+https://github.com/ocaml/ocaml-beta-repository --set-default
#8 1.026 [beta] Initialised
#8 DONE 1.4s

#9 [3/9] RUN apt-get -y update
#9 0.293 Hit:1 http://deb.debian.org/debian trixie InRelease
#9 0.293 Get:2 http://deb.debian.org/debian trixie-updates InRelease [47.3 kB]
#9 0.295 Get:3 http://deb.debian.org/debian-security trixie-security InRelease [43.4 kB]
#9 0.351 Get:4 http://deb.debian.org/debian-security trixie-security/main arm64 Packages [208 kB]
#9 0.415 Fetched 299 kB in 0s (1945 kB/s)
#9 0.415 Reading package lists...
#9 DONE 1.0s

#10 [4/9] RUN DEBIAN_FRONTEND=noninteractive apt-get -y upgrade
#10 0.245 Reading package lists...
#10 0.852 Building dependency tree...
#10 1.015 Reading state information...
#10 1.077 Calculating upgrade...
#10 1.376 The following packages will be upgraded:
#10 1.376   linux-libc-dev
#10 1.420 1 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
#10 1.420 Need to get 2813 kB of archives.
#10 1.420 After this operation, 2048 B of additional disk space will be used.
#10 1.420 Get:1 http://deb.debian.org/debian-security trixie-security/main arm64 linux-libc-dev all 6.12.90-2 [2813 kB]
#10 2.276 Fetched 2813 kB in 0s (31.7 MB/s)
#10 2.303 (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 ... 20736 files and directories currently installed.)
#10 2.320 Preparing to unpack .../linux-libc-dev_6.12.90-2_all.deb ...
#10 2.322 Unpacking linux-libc-dev (6.12.90-2) over (6.12.88-1) ...
#10 3.361 Setting up linux-libc-dev (6.12.90-2) ...
#10 DONE 3.4s

#11 [5/9] RUN DEBIAN_FRONTEND=noninteractive apt-get -y install libzstd-dev
#11 0.226 Reading package lists...
#11 0.820 Building dependency tree...
#11 0.981 Reading state information...
#11 1.284 The following NEW packages will be installed:
#11 1.284   libzstd-dev
#11 1.324 0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded.
#11 1.324 Need to get 335 kB of archives.
#11 1.324 After this operation, 1215 kB of additional disk space will be used.
#11 1.324 Get:1 http://deb.debian.org/debian trixie/main arm64 libzstd-dev arm64 1.5.7+dfsg-1 [335 kB]
#11 2.128 Fetched 335 kB in 0s (7021 kB/s)
#11 2.150 Selecting previously unselected package libzstd-dev:arm64.
#11 2.150 (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 ... 20736 files and directories currently installed.)
#11 2.163 Preparing to unpack .../libzstd-dev_1.5.7+dfsg-1_arm64.deb ...
#11 2.164 Unpacking libzstd-dev:arm64 (1.5.7+dfsg-1) ...
#11 2.217 Setting up libzstd-dev:arm64 (1.5.7+dfsg-1) ...
#11 DONE 2.3s

#12 [6/9] RUN opam switch create 5.5 --packages=ocaml-variants.5.5.0+trunk,ocaml-options-only-flambda
#12 0.651 
#12 0.651 <><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><>
#12 0.651 Switch invariant: ["ocaml-variants" {= "5.5.0+trunk"} "ocaml-options-only-flambda"]
#12 6.394 
#12 6.394 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#12 8.961 -> installed base-bigarray.base
#12 8.963 -> installed base-threads.base
#12 8.964 -> installed base-unix.base
#12 8.965 -> installed compiler-cloning.disabled
#12 8.966 -> installed host-arch-arm64.1
#12 8.980 -> installed host-system-other.1
#12 8.981 -> installed ocaml-option-flambda.1
#12 8.982 -> installed ocaml-options-only-flambda.1
#12 9.000 -> retrieved ocaml.5.5.0  (https://opam.ocaml.org/cache)
#12 9.321 -> retrieved ocaml-compiler.5.5  (https://github.com/ocaml/ocaml/archive/5.5.tar.gz)
#12 164.2 -> installed ocaml-compiler.5.5
#12 164.2 -> installed ocaml-variants.5.5.0+trunk
#12 164.3 -> installed ocaml.5.5.0
#12 164.4 -> installed base-domains.base
#12 164.4 -> installed base-effects.base
#12 164.4 -> installed base-nnp.base
#12 164.7 Done.
#12 164.7 # Run eval $(opam env --switch=5.5) to update the current shell environment
#12 DONE 166.3s

#13 [7/9] RUN opam pin add -k version ocaml-variants 5.5.0+trunk
#13 0.585 ocaml-variants is now pinned to version 5.5.0+trunk
#13 0.585 
#13 6.465 No package build needed.
#13 6.465 Nothing to do.
#13 6.465 # Run eval $(opam env) to update the current shell environment
#13 DONE 6.5s

#14 [8/9] RUN opam install -y opam-depext
#14 6.680 The following actions will be performed:
#14 6.680   - install opam-depext 1.2.3
#14 6.680 
#14 6.680 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#14 6.805 -> retrieved opam-depext.1.2.3  (https://opam.ocaml.org/cache)
#14 10.13 -> installed opam-depext.1.2.3
#14 10.14 Done.
#14 10.14 
#14 10.14 <><> opam-depext.1.2.3 installed successfully <><><><><><><><><><><><><><><><><>
#14 10.14 => opam-depext is unnecessary when used with opam >= 2.1. Please use opam install directly instead
#14 10.14 # Run eval $(opam env) to update the current shell environment
#14 DONE 11.4s

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

#16 exporting to image
#16 exporting layers
#16 exporting layers 1.9s done
#16 writing image sha256:28f9c78359e17401357a018641cc04b9f025192d0d4264b294e873bdfe20534a done
#16 DONE 1.9s

 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 "sha256:28f9c78359e17401357a018641cc04b9f025192d0d4264b294e873bdfe20534a" to "ocurrent/opam-staging:debian-13-ocaml-5.5-flambda-arm64" as user "ocurrentbuilder"
Login Succeeded
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Job succeeded
2026-06-06 10:54.16: Job succeeded