2026-04-26 12:45.15: New job: Build using linux-x86_64 in
                                []
2026-04-26 12:45.15: Will push staging image to ocurrent/opam-staging:ubuntu-25.04-ocaml-4.08-amd64

Dockerfile:

# syntax=docker/dockerfile:1

FROM ocurrent/opam-staging@sha256:12d748f685c4c3707f43583c64e85c141320021d3ac56ca3d33eb2552a586fb4
RUN opam repo add ocaml-patches-overlay git+https://github.com/ocurrent/opam-repository#patches --set-default
ENV OPAMYES="1" OPAMCONFIRMLEVEL="unsafe-yes" OPAMERRLOGLEN="0" OPAMPRECISETRACKING="1"
RUN opam switch create 4.08 --packages=ocaml-base-compiler.4.08.1
RUN opam pin add -k version ocaml-base-compiler 4.08.1
RUN opam install -y opam-depext
ENTRYPOINT [ "opam", "exec", "--" ]
CMD bash
COPY --link [ "Dockerfile", "/Dockerfile.ocaml" ]


2026-04-26 12:45.15: Using cache hint "4.08.1-amd64-ocurrent/opam-staging@sha256:12d748f685c4c3707f43583c64e85c141320021d3ac56ca3d33eb2552a586fb4"
2026-04-26 12:45.15: Waiting for resource in pool OCluster
2026-04-26 12:45.15: Waiting for worker…
2026-04-26 12:45.15: Got resource from pool OCluster
Building on clete.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: 614B done
#1 DONE 0.1s

#2 resolve image config for docker-image://docker.io/docker/dockerfile:1
#2 DONE 0.6s

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

#4 [internal] load metadata for docker.io/ocurrent/opam-staging@sha256:12d748f685c4c3707f43583c64e85c141320021d3ac56ca3d33eb2552a586fb4
#4 DONE 0.5s

#5 [internal] load .dockerignore
#5 transferring context: 2B done
#5 DONE 0.1s

#6 [1/6] FROM docker.io/ocurrent/opam-staging@sha256:12d748f685c4c3707f43583c64e85c141320021d3ac56ca3d33eb2552a586fb4
#6 CACHED

#7 [internal] load build context
#7 transferring context: 614B done
#7 DONE 0.1s

#8 [2/6] RUN opam repo add ocaml-patches-overlay git+https://github.com/ocurrent/opam-repository#patches --set-default
#8 33.96 [ocaml-patches-overlay] Initialised
#8 33.96 ocaml-patches-overlay (at git+https://github.com/ocurrent/opam-repository#patches): 
#8 33.96     [INFO] opam 2.1 and 2.2 include many performance and security improvements over 2.0; please consider upgrading (https://opam.ocaml.org/doc/Install.html)
#8 33.96 
#8 DONE 34.3s

#9 [3/6] RUN opam switch create 4.08 --packages=ocaml-base-compiler.4.08.1
#9 3.150 
#9 3.150 <><> Gathering sources ><><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#9 3.226 [ocaml-config.1/gen_ocaml_config.ml.in] downloaded from https://opam.ocaml.org/cache
#9 3.306 [ocaml-config.1/ocaml-config.install] downloaded from https://opam.ocaml.org/cache
#9 3.438 [ocaml-base-compiler.4.08.1] downloaded from cache at https://opam.ocaml.org/cache
#9 4.654 [ocaml-base-compiler.4.08.1/alt-signal-stack.patch] downloaded from https://opam.ocaml.org/cache
#9 5.105 [ocaml-base-compiler.4.08.1/fix-gcc10.patch] downloaded from https://github.com/ocaml-opam/ocaml/commit/4ba8d8a8c084c237b9a1bc4926edff90a8f7f11f.patch?full_index=1
#9 5.495 [ocaml-base-compiler.4.08.1/fix-gcc15.patch] downloaded from https://github.com/ocaml-opam/ocaml/commit/fb40eabdc0ba9363950a1ba276e5c612248fa384.patch?full_index=1
#9 5.570 [ocaml-base-compiler.4.08.1/ocaml-base-compiler.install] downloaded from https://opam.ocaml.org/cache
#9 5.571 
#9 5.571 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#9 6.022 -> installed base-bigarray.base
#9 6.024 -> installed base-threads.base
#9 6.029 -> installed base-unix.base
#9 98.31 -> installed ocaml-base-compiler.4.08.1
#9 98.37 -> installed ocaml-config.1
#9 98.45 -> installed ocaml.4.08.1
#9 98.77 Done.
#9 98.77 # Run eval $(opam env) to update the current shell environment
#9 DONE 98.9s

#10 [4/6] RUN opam pin add -k version ocaml-base-compiler 4.08.1
#10 0.574 ocaml-base-compiler is now pinned to version 4.08.1
#10 0.574 
#10 3.296 No package build needed.
#10 3.296 Nothing to do.
#10 3.296 # Run eval $(opam env) to update the current shell environment
#10 DONE 3.3s

#11 [5/6] RUN opam install -y opam-depext
#11 3.442 The following actions will be performed:
#11 3.442   - install opam-depext 1.2.3
#11 3.442 
#11 3.442 <><> Gathering sources ><><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#11 3.539 [opam-depext.1.2.3] downloaded from cache at https://opam.ocaml.org/cache
#11 3.564 
#11 3.564 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#11 5.055 -> installed opam-depext.1.2.3
#11 5.063 Done.
#11 5.063 # Run eval $(opam env) to update the current shell environment
#11 DONE 5.1s

#12 [6/6] COPY --link [ Dockerfile, /Dockerfile.ocaml ]
#12 DONE 0.1s

#13 exporting to image
#13 exporting layers
#13 exporting layers 6.5s done
#13 writing image sha256:b2eb0b78d29f7356683b71a8d7e23d604d1ca2beb139f6a202be0d67a0cd5af7 done
#13 DONE 6.5s

 1 warning found (use docker --debug to expand):
 - JSONArgsRecommended: JSON arguments recommended for CMD to prevent unintended behavior related to OS signals (line 10)
Pushing "sha256:b2eb0b78d29f7356683b71a8d7e23d604d1ca2beb139f6a202be0d67a0cd5af7" to "ocurrent/opam-staging:ubuntu-25.04-ocaml-4.08-amd64" as user "ocurrentbuilder"
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Job succeeded
2026-04-26 12:49.03: Job succeeded