2026-05-30 07:47.47: New job: Build using linux-x86_64 in
                                []
2026-05-30 07:47.47: Will push staging image to ocurrent/opam-staging:alpine-3.23-ocaml-5.2-amd64

Dockerfile:

# syntax=docker/dockerfile:1

FROM ocurrent/opam-staging@sha256:ffcdae06ed062c4db3409437a34a35bb0765470a68315cda84e21b72842f4021
ENV OPAMYES="1" OPAMCONFIRMLEVEL="unsafe-yes" OPAMERRLOGLEN="0" OPAMPRECISETRACKING="1"
USER root
RUN apk update && apk upgrade
RUN apk add zstd
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" ]


2026-05-30 07:47.47: Using cache hint "5.2.1-amd64-ocurrent/opam-staging@sha256:ffcdae06ed062c4db3409437a34a35bb0765470a68315cda84e21b72842f4021"
2026-05-30 15:41.53: Waiting for worker…
2026-05-30 15:41.53: Got resource from pool OCluster
Building on eumache.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: 568B 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:ffcdae06ed062c4db3409437a34a35bb0765470a68315cda84e21b72842f4021
#4 DONE 0.5s

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

#6 [1/7] FROM docker.io/ocurrent/opam-staging@sha256:ffcdae06ed062c4db3409437a34a35bb0765470a68315cda84e21b72842f4021
#6 CACHED

#7 [internal] load build context
#7 transferring context: 568B done
#7 DONE 0.0s

#8 [2/7] RUN apk update && apk upgrade
#8 1.503 v3.23.4-318-g6bc1e744a1d [https://dl-cdn.alpinelinux.org/alpine/v3.23/main]
#8 1.503 v3.23.4-318-g6bc1e744a1d [https://dl-cdn.alpinelinux.org/alpine/v3.23/community]
#8 1.503 v20260127-10634-g25683e803e4 [https://dl-cdn.alpinelinux.org/alpine/edge/main]
#8 1.503 v20260127-10634-g25683e803e4 [https://dl-cdn.alpinelinux.org/alpine/edge/community]
#8 1.503 v20260127-10635-g2d2f89cc295 [https://dl-cdn.alpinelinux.org/alpine/edge/testing]
#8 1.503 OK: 62367 distinct packages available
#8 2.222 (1/4) Upgrading libcurl (8.17.0-r1 -> 8.19.0-r0)
#8 2.290 (2/4) Upgrading curl (8.17.0-r1 -> 8.19.0-r0)
#8 2.306 (3/4) Upgrading rsync (3.4.2-r0 -> 3.4.3-r0)
#8 2.326 (4/4) Purging nghttp3 (1.13.1-r0)
#8 2.326 Executing busybox-1.37.0-r30.trigger
#8 2.346 OK: 338.2 MiB in 102 packages
#8 DONE 2.4s

#9 [3/7] RUN apk add zstd
#9 0.975 (1/1) Installing zstd (1.5.7-r2)
#9 1.032 Executing busybox-1.37.0-r30.trigger
#9 1.047 OK: 338.5 MiB in 103 packages
#9 DONE 1.1s

#10 [4/7] RUN opam switch create 5.2 --packages=ocaml-base-compiler.5.2.1
#10 0.741 
#10 0.741 <><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><>
#10 0.741 Switch invariant: ["ocaml-base-compiler" {= "5.2.1"}]
#10 6.070 
#10 6.070 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#10 10.15 -> installed base-bigarray.base
#10 10.15 -> installed base-threads.base
#10 10.15 -> installed base-unix.base
#10 10.15 -> installed ocaml-options-vanilla.1
#10 10.42 -> retrieved ocaml-config.3  (2 extra sources)
#10 11.19 -> retrieved ocaml-base-compiler.5.2.1  (https://opam.ocaml.org/cache)
#10 115.2 -> installed ocaml-base-compiler.5.2.1
#10 115.2 -> installed ocaml-config.3
#10 115.3 -> installed ocaml.5.2.1
#10 115.3 -> installed base-domains.base
#10 115.3 -> installed base-nnp.base
#10 115.7 Done.
#10 115.7 # Run eval $(opam env --switch=5.2) to update the current shell environment
#10 DONE 117.5s

#11 [5/7] RUN opam pin add -k version ocaml-base-compiler 5.2.1
#11 0.684 ocaml-base-compiler is now pinned to version 5.2.1
#11 0.684 
#11 6.115 No package build needed.
#11 6.115 Nothing to do.
#11 6.122 # Run eval $(opam env) to update the current shell environment
#11 DONE 6.2s

#12 [6/7] RUN opam install -y opam-depext
#12 6.078 The following actions will be performed:
#12 6.078   - install opam-depext 1.2.3
#12 6.078 
#12 6.078 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#12 6.322 -> retrieved opam-depext.1.2.3  (https://opam.ocaml.org/cache)
#12 10.99 -> installed opam-depext.1.2.3
#12 11.00 Done.
#12 11.00 
#12 11.00 <><> opam-depext.1.2.3 installed successfully <><><><><><><><><><><><><><><><><>
#12 11.00 => opam-depext is unnecessary when used with opam >= 2.1. Please use opam install directly instead
#12 11.01 # Run eval $(opam env) to update the current shell environment
#12 DONE 12.6s

#13 [7/7] COPY --link [ Dockerfile, /Dockerfile.ocaml ]
#13 DONE 0.0s

#14 exporting to image
#14 exporting layers
#14 exporting layers 6.1s done
#14 writing image sha256:e6f5a1d10cc607054d3c0fd532abbe2768d67e5ed24f348b43075290c0e73daa done
#14 DONE 6.1s

 1 warning found (use docker --debug to expand):
 - JSONArgsRecommended: JSON arguments recommended for CMD to prevent unintended behavior related to OS signals (line 13)
Pushing "sha256:e6f5a1d10cc607054d3c0fd532abbe2768d67e5ed24f348b43075290c0e73daa" to "ocurrent/opam-staging:alpine-3.23-ocaml-5.2-amd64" as user "ocurrentbuilder"
Login Succeeded
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Job succeeded
2026-05-30 15:45.36: Job succeeded