Building on x86-bm-c9.sw.ocaml.org (from ocaml/opam:debian-unstable) Unable to find image 'ocaml/opam:debian-unstable' locally debian-unstable: Pulling from ocaml/opam 63563b31af74: Pulling fs layer 63563b31af74: Verifying Checksum 63563b31af74: Download complete 63563b31af74: Pull complete Digest: sha256:8f6038a9795a3c7cc61b90b742e29558b247d69f92f73dea67cb146602ff83f6 Status: Downloaded newer image for ocaml/opam:debian-unstable 2025-02-24 02:16.16 ---> using "0acd5aeaa8f7bc314514d9795d14a7f12ec72a6a5b11c5904350189734c6859b" from cache /: (user (uid 1000) (gid 1000)) /: (env OPAMPRECISETRACKING 1) /: (env OPAMUTF8 never) /: (env OPAMEXTERNALSOLVER builtin-0install) /: (env OPAMCRITERIA +removed) /: (env CI true) /: (env OPAM_HEALTH_CHECK_CI true) /: (run (shell "sudo ln -f /usr/bin/opam-dev /usr/bin/opam")) 2025-02-24 02:16.16 ---> using "40df4fa4cdfc68a5fa7a326047e82a7adc5df52b8059d4a7b745bdd50aad56e7" from cache /: (run (network host) (shell "rm -rf ~/opam-repository && git clone -q 'https://github.com/ocaml/opam-repository' ~/opam-repository && git -C ~/opam-repository checkout -q 4022a684b64be8161a05cf897f492f8680792469")) 2025-02-24 02:16.16 ---> using "ced9ab1d6bac3c5f95cfdac2696c8d9202989b3f52ba62400bb20a10ac63d439" from cache /: (run (shell "rm -rf ~/.opam && opam init -ya --bare --config ~/.opamrc-sandbox ~/opam-repository")) Configuring from /home/opam/.opamrc-sandbox, then /home/opam/.opamrc, and finally from built-in defaults. Checking for available remotes: rsync and local, git. - you won't be able to use mercurial repositories unless you install the hg command on your system. - you won't be able to use darcs repositories unless you install the darcs command on your system. <><> Fetching repository information ><><><><><><><><><><><><><><><><><><><><><> [default] Initialised User configuration: ~/.profile is already up-to-date. [NOTE] Make sure that ~/.profile is well sourced in your ~/.bashrc. 2025-02-24 02:16.16 ---> using "69f716af23f9139c4566fb0532f54e56ee4f6773c11e689dc47229d6a744c7e1" from cache /: (run (cache (opam-archives (target /home/opam/.opam/download-cache)) (opam-dune-cache (target /home/opam/.cache/dune))) (network host) (shell "opam switch create --repositories=default '5.3' '5.3.0'")) <><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><> Switch invariant: ["ocaml-base-compiler" {= "5.3.0"} | "ocaml-system" {= "5.3.0"}] <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><> -> retrieved ocaml-config.3 (cached) -> installed base-bigarray.base -> installed base-threads.base -> installed base-unix.base -> installed ocaml-options-vanilla.1 -> retrieved ocaml-compiler.5.3.0 (cached) -> installed ocaml-compiler.5.3.0 -> installed ocaml-base-compiler.5.3.0 -> installed ocaml-config.3 -> installed ocaml.5.3.0 -> installed base-domains.base -> installed base-effects.base -> installed base-nnp.base Done. # To update the current shell environment, run: eval $(opam env --switch=5.3) 2025-02-24 02:16.16 ---> using "8cb80bdf8c98b441ca1a62ad13717befd2e70e905b796cad3ff69df4d26bf351" from cache /: (run (network host) (shell "opam update --depexts")) + /usr/bin/sudo "apt-get" "update" - Get:1 http://deb.debian.org/debian unstable InRelease [205 kB] - Get:2 http://deb.debian.org/debian unstable/main amd64 Packages.diff/Index [63.6 kB] - Get:3 http://deb.debian.org/debian unstable/main amd64 Packages T-2025-02-21-0817.39-F-2025-02-16-2015.54.pdiff [385 kB] - Get:3 http://deb.debian.org/debian unstable/main amd64 Packages T-2025-02-21-0817.39-F-2025-02-16-2015.54.pdiff [385 kB] - Fetched 654 kB in 3s (260 kB/s) - Reading package lists... - 2025-02-24 02:16.16 ---> using "aab064613a33ea1c8e4184107fb782b7e34e02d2710ba539b18cbd20a9d40c72" from cache /: (run (cache (opam-archives (target /home/opam/.opam/download-cache)) (opam-dune-cache (target /home/opam/.cache/dune))) (network host) (shell "opam pin add -k version dune $(opam show -f version dune)")) dune is now pinned to version 3.17.2 The following actions will be performed: === install 1 package - install dune 3.17.2 (pinned) <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><> -> retrieved dune.3.17.2 (cached) -> installed dune.3.17.2 Done. # To update the current shell environment, run: eval $(opam env) 2025-02-24 02:16.16 ---> using "ab68111ecaec8e96a659d3801d58f9f48b56993ae57778afc853e701c3286214" from cache /: (env DUNE_CACHE enabled) /: (env DUNE_CACHE_TRANSPORT direct) /: (env DUNE_CACHE_DUPLICATION copy) /: (run (cache (opam-archives (target /home/opam/.opam/download-cache)) (opam-dune-cache (target /home/opam/.cache/dune))) (network host) (shell "curl -fsSL https://get.dune.build/install | sh")) #=#=# ##O#-# 0.1% 1.2% ## 3.1% ######### 12.7% ################## 26.1% ################################################################## 92.4% ######################################################################## 100.0% dune x86_64-unknown-linux-musl was installed successfully to ~/.local/bin/dune To use dune you will need to source the file "$HOME/.local/share/dune/env/env.bash" (or similar as appropriate for your shell) export PATH="/home/opam/.local/bin:$PATH" To get started, run: dune --help 2025-02-24 02:16.16 ---> using "91706ab83e18623d5f5c55809c19ede302298d1fa58d418458556ddcfa9179ed" from cache /: (run (cache (opam-archives (target /home/opam/.opam/download-cache)) (opam-dune-cache (target /home/opam/.cache/dune))) (network host) (shell "PLACE=$(mktemp -d) && cd $PLACE && echo '(lang dune 3.17)\ \n(package\ \n (name dummy)\ \n (allow_empty true)\ \n (depends (ocaml (= 5.3.0))))' > dune-project && PATH=$HOME/.local/bin:$PATH dune pkg lock && PATH=$HOME/.local/bin:$PATH dune build")) Solution for dune.lock: - ocaml.5.3.0 - ocaml-base-compiler.5.3.0 - ocaml-compiler.5.3.0 - ocaml-config.3 Downloading ocaml-compiler.5.3.0 Building ocaml-compiler.5.3.0 Building ocaml-base-compiler.5.3.0 2025-02-24 02:16.16 ---> using "23d3c9485a3a95dd6f64bf73b0bd06b36016919a287108bba74001e847c99f7d" from cache /: (run (cache (opam-archives (target /home/opam/.opam/download-cache)) (opam-dune-cache (target /home/opam/.cache/dune))) (network host) (shell "cd $HOME && opam source slacko.0.15.0 && cd slacko.0.15.0 && opam install ./ --depext-only --with-test && echo '(lang dune 3.17)\ \n(lock_dir\ \n (repositories overlay default ))\ \n\ \n(repository\ \n (name default)\ \n (url \"git+https://github.com/ocaml/opam-repository.git\"))\ \n\ \n\ \n' > dune-workspace && PATH=$HOME/.local/bin:$PATH dune pkg lock && PATH=$HOME/.local/bin:$PATH dune build")) Successfully extracted to /home/opam/slacko.0.15.0 [WARNING] Failed checks on slacko package definition from source at file:///home/opam/slacko.0.15.0: warning 62: License doesn't adhere to the SPDX standard, see https://spdx.org/licenses/ : "LGPL-3 with OCaml linking exception" The following system packages will first need to be installed: libgmp-dev pkg-config <><> Handling external dependencies <><><><><><><><><><><><><><><><><><><><><><> + /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "libgmp-dev" "pkg-config" - Selecting previously unselected package libgmpxx4ldbl:amd64. - (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 ... 19826 files and directories currently installed.) - Preparing to unpack .../0-libgmpxx4ldbl_2%3a6.3.0+dfsg-3_amd64.deb ... - Unpacking libgmpxx4ldbl:amd64 (2:6.3.0+dfsg-3) ... - Selecting previously unselected package libgmp-dev:amd64. - Preparing to unpack .../1-libgmp-dev_2%3a6.3.0+dfsg-3_amd64.deb ... - Unpacking libgmp-dev:amd64 (2:6.3.0+dfsg-3) ... - Selecting previously unselected package libpkgconf3:amd64. - Preparing to unpack .../2-libpkgconf3_1.8.1-4_amd64.deb ... - Unpacking libpkgconf3:amd64 (1.8.1-4) ... - Selecting previously unselected package pkgconf-bin. - Preparing to unpack .../3-pkgconf-bin_1.8.1-4_amd64.deb ... - Unpacking pkgconf-bin (1.8.1-4) ... - Selecting previously unselected package pkgconf:amd64. - Preparing to unpack .../4-pkgconf_1.8.1-4_amd64.deb ... - Unpacking pkgconf:amd64 (1.8.1-4) ... - Selecting previously unselected package pkg-config:amd64. - Preparing to unpack .../5-pkg-config_1.8.1-4_amd64.deb ... - Unpacking pkg-config:amd64 (1.8.1-4) ... - Setting up libpkgconf3:amd64 (1.8.1-4) ... - Setting up libgmpxx4ldbl:amd64 (2:6.3.0+dfsg-3) ... - Setting up pkgconf-bin (1.8.1-4) ... - Setting up libgmp-dev:amd64 (2:6.3.0+dfsg-3) ... - Setting up pkgconf:amd64 (1.8.1-4) ... - Setting up pkg-config:amd64 (1.8.1-4) ... - Processing triggers for libc-bin (2.40-7) ... Solution for dune.lock: - angstrom.0.16.1 - asn1-combinators.0.3.2 - astring.0.8.5 - base.v0.17.1 - base-bytes.base - base-threads.base - base-unix.base - base64.3.5.1 - bigstringaf.0.10.0 - bos.0.2.1 - ca-certs.1.0.0 - cmdliner.1.3.0 - cohttp.6.0.0 - cohttp-lwt.6.0.0 - cohttp-lwt-unix.6.0.0 - conduit.7.1.0 - conduit-lwt.7.1.0 - conduit-lwt-unix.7.1.0 - conf-gmp.4 - conf-gmp-powm-sec.3 - conf-pkg-config.4 - cppo.1.8.0 - csexp.1.5.2 - digestif.1.2.0 - domain-name.0.4.1 - dune-configurator.3.17.2 - duration.0.2.1 - eqaf.0.10 - fmt.0.9.0 - fpath.0.7.3 - gmap.0.3.0 - http.6.0.0 - ipaddr.5.6.0 - ipaddr-sexp.5.6.0 - kdf.1.0.0 - logs.0.7.0 - lwt.5.9.0 - lwt_ppx.5.8.0 - macaddr.5.6.0 - magic-mime.1.3.1 - mirage-crypto.2.0.0 - mirage-crypto-ec.2.0.0 - mirage-crypto-pk.2.0.0 - mirage-crypto-rng.2.0.0 - ocaml.5.3.0 - ocaml-base-compiler.5.3.0 - ocaml-compiler.5.3.0 - ocaml-compiler-libs.v0.17.0 - ocaml-config.3 - ocaml-syntax-shims.1.0.0 - ocaml_intrinsics_kernel.v0.17.1 - ocamlbuild.0.15.0+dune - ocamlfind.1.9.8+dune - ocplib-endian.1.2 - ohex.0.2.0 - ounit.2.2.7 - ounit2.2.2.7 - ppx_derivers.1.2.1 - ppx_deriving.6.0.3 - ppx_deriving_yojson.3.9.1 - ppx_sexp_conv.v0.17.0 - ppxlib.0.35.0 - ppxlib_jane.v0.17.2 - ptime.1.2.0 - re.1.12.0 - rresult.0.7.0 - seq.base - sexplib0.v0.17.0 - stdlib-shims.0.3.0 - stringext.1.6.0 - tls.2.0.0 - topkg.1.0.7 - uri.4.4.0 - uri-sexp.4.4.0 - x509.1.0.5 - yojson.2.2.2 - zarith.1.14 Downloading ocaml-compiler.5.3.0 Building ocaml-compiler.5.3.0 Building ocaml-base-compiler.5.3.0 Building base-unix.base Building base-threads.base Building conf-pkg-config.4 Building conf-gmp.4 Building ocaml-config.3 Building ocaml.5.3.0 Building conf-gmp-powm-sec.3 Downloading zarith.1.14 Downloading cmdliner.1.3.0 Building cmdliner.1.3.0 Downloading base64.3.5.1 Building base64.3.5.1 Downloading duration.0.2.1 Building duration.0.2.1 Downloading ocamlfind.1.9.8+dune Downloading macaddr.5.6.0 Building ocamlfind.1.9.8+dune Building macaddr.5.6.0 Downloading cppo.1.8.0 Building cppo.1.8.0 Downloading ocamlbuild.0.15.0+dune Downloading eqaf.0.10 Building ocamlbuild.0.15.0+dune Downloading ohex.0.2.0 Building eqaf.0.10 Building ohex.0.2.0 Downloading domain-name.0.4.1 Downloading gmap.0.3.0 Building domain-name.0.4.1 Building gmap.0.3.0 Downloading csexp.1.5.2 Building csexp.1.5.2 Downloading ipaddr.5.6.0 Building ipaddr.5.6.0 Downloading dune-configurator.3.17.2 Downloading digestif.1.2.0 Building digestif.1.2.0 Building dune-configurator.3.17.2 Building base-bytes.base Building zarith.1.14 Downloading ocplib-endian.1.2 Building ocplib-endian.1.2 Downloading lwt.5.9.0 Building lwt.5.9.0 Downloading mirage-crypto.2.0.0 Building mirage-crypto.2.0.0 Downloading topkg.1.0.7 Building topkg.1.0.7 Downloading kdf.1.0.0 Building kdf.1.0.0 Downloading fmt.0.9.0 Downloading ptime.1.2.0 Building fmt.0.9.0 Building ptime.1.2.0 Downloading logs.0.7.0 Building logs.0.7.0 Downloading asn1-combinators.0.3.2 Building asn1-combinators.0.3.2 Downloading mirage-crypto-rng.2.0.0 Building mirage-crypto-rng.2.0.0 Downloading mirage-crypto-ec.2.0.0 Downloading mirage-crypto-pk.2.0.0 Building mirage-crypto-ec.2.0.0 Building mirage-crypto-pk.2.0.0 Downloading x509.1.0.5 Building x509.1.0.5 Downloading tls.2.0.0 Building tls.2.0.0 Building seq.base Downloading yojson.2.2.2 Downloading sexplib0.v0.17.0 Building sexplib0.v0.17.0 Building yojson.2.2.2 Downloading ppx_derivers.1.2.1 Building ppx_derivers.1.2.1 Downloading ocaml-compiler-libs.v0.17.0 Building ocaml-compiler-libs.v0.17.0 Downloading stdlib-shims.0.3.0 Building stdlib-shims.0.3.0 Downloading ppxlib.0.35.0 Building ppxlib.0.35.0 Downloading ppx_deriving.6.0.3 Building ppx_deriving.6.0.3 Downloading ppx_deriving_yojson.3.9.1 Building ppx_deriving_yojson.3.9.1 Downloading ounit2.2.2.7 Building ounit2.2.2.7 Downloading ounit.2.2.7 Building ounit.2.2.7 Downloading lwt_ppx.5.8.0 Building lwt_ppx.5.8.0 Downloading astring.0.8.5 Building astring.0.8.5 Downloading rresult.0.7.0 Building rresult.0.7.0 Downloading stringext.1.6.0 Building stringext.1.6.0 Downloading ppxlib_jane.v0.17.2 Downloading ocaml_intrinsics_kernel.v0.17.1 Downloading re.1.12.0 Building ocaml_intrinsics_kernel.v0.17.1 Building re.1.12.0 Building ppxlib_jane.v0.17.2 Downloading http.6.0.0 Downloading bigstringaf.0.10.0 Downloading ocaml-syntax-shims.1.0.0 Downloading magic-mime.1.3.1 Building ocaml-syntax-shims.1.0.0 Building bigstringaf.0.10.0 Building magic-mime.1.3.1 Building http.6.0.0 Downloading base.v0.17.1 Building base.v0.17.1 Downloading angstrom.0.16.1 Building angstrom.0.16.1 Downloading fpath.0.7.3 Building fpath.0.7.3 Downloading uri.4.4.0 Building uri.4.4.0 Downloading bos.0.2.1 Building bos.0.2.1 Downloading ca-certs.1.0.0 Building ca-certs.1.0.0 Downloading ppx_sexp_conv.v0.17.0 Building ppx_sexp_conv.v0.17.0 Downloading uri-sexp.4.4.0 Downloading ipaddr-sexp.5.6.0 Building ipaddr-sexp.5.6.0 Building uri-sexp.4.4.0 Downloading cohttp.6.0.0 Building cohttp.6.0.0 Downloading conduit.7.1.0 Building conduit.7.1.0 Downloading conduit-lwt.7.1.0 Building conduit-lwt.7.1.0 Downloading cohttp-lwt.6.0.0 Building cohttp-lwt.6.0.0 Downloading conduit-lwt-unix.7.1.0 Building conduit-lwt-unix.7.1.0 Downloading cohttp-lwt-unix.6.0.0 Building cohttp-lwt-unix.6.0.0 (cd _build/default && /home/opam/.cache/dune/toolchains/ocaml-compiler.5.3.0-0a4a99c921bd2ecbe821e2c57ac55aa8/target/bin/ocamlc.opt -w @1..3@5..28@30..39@43@46..47@49..57@61..62-40 -strict-sequence -strict-formats -short-paths -keep-locs -g -bin-annot -bin-annot-occurrences -I src/lib/.slacko.objs/byte -I src/lib/.slacko.objs/public_cmi -I /home/opam/.cache/dune/toolchains/ocaml-compiler.5.3.0-0a4a99c921bd2ecbe821e2c57ac55aa8/target/lib/ocaml/threads -I /home/opam/.cache/dune/toolchains/ocaml-compiler.5.3.0-0a4a99c921bd2ecbe821e2c57ac55aa8/target/lib/ocaml/unix -I ../_private/default/.pkg/angstrom/target/lib/angstrom -I ../_private/default/.pkg/astring/target/lib/astring -I ../_private/default/.pkg/base64/target/lib/base64 -I ../_private/default/.pkg/bigstringaf/target/lib/bigstringaf -I ../_private/default/.pkg/cohttp-lwt-unix/target/lib/cohttp-lwt-unix -I ../_private/default/.pkg/cohttp-lwt/target/lib/cohttp-lwt -I ../_private/default/.pkg/cohttp/target/lib/cohttp -I ../_private/default/.pkg/conduit-lwt-unix/target/lib/conduit-lwt-unix -I ../_private/default/.pkg/conduit-lwt/target/lib/conduit-lwt -I ../_private/default/.pkg/conduit/target/lib/conduit -I ../_private/default/.pkg/domain-name/target/lib/domain-name -I ../_private/default/.pkg/fmt/target/lib/fmt -I ../_private/default/.pkg/http/target/lib/http -I ../_private/default/.pkg/ipaddr-sexp/target/lib/ipaddr-sexp -I ../_private/default/.pkg/ipaddr/target/lib/ipaddr -I ../_private/default/.pkg/ipaddr/target/lib/ipaddr/unix -I ../_private/default/.pkg/logs/target/lib/logs -I ../_private/default/.pkg/lwt/target/lib/lwt -I ../_private/default/.pkg/lwt/target/lib/lwt/unix -I ../_private/default/.pkg/macaddr/target/lib/macaddr -I ../_private/default/.pkg/magic-mime/target/lib/magic-mime -I ../_private/default/.pkg/ocamlfind/target/lib/bytes -I ../_private/default/.pkg/ocplib-endian/target/lib/ocplib-endian -I ../_private/default/.pkg/ocplib-endian/target/lib/ocplib-endian/bigstring -I ../_private/default/.pkg/ppx_deriving/target/lib/ppx_deriving/runtime -I ../_private/default/.pkg/ppx_deriving_yojson/target/lib/ppx_deriving_yojson/runtime -I ../_private/default/.pkg/ppx_sexp_conv/target/lib/ppx_sexp_conv/runtime-lib -I ../_private/default/.pkg/ptime/target/lib/ptime -I ../_private/default/.pkg/re/target/lib/re -I ../_private/default/.pkg/seq/target/lib/seq -I ../_private/default/.pkg/sexplib0/target/lib/sexplib0 -I ../_private/default/.pkg/stringext/target/lib/stringext -I ../_private/default/.pkg/uri-sexp/target/lib/uri-sexp -I ../_private/default/.pkg/uri/target/lib/uri -I ../_private/default/.pkg/uri/target/lib/uri/services -I ../_private/default/.pkg/yojson/target/lib/yojson -no-alias-deps -opaque -open Slacko__ -o src/lib/.slacko.objs/byte/slacko__Timestamp.cmi -c -intf src/lib/timestamp.pp.mli) File "src/lib/timestamp.mli", line 25, characters 16-32: 25 | val of_yojson : Yojson.Safe.json -> (t, string) result ^^^^^^^^^^^^^^^^ Error: Unbound type constructor "Yojson.Safe.json" (cd _build/default && /home/opam/.cache/dune/toolchains/ocaml-compiler.5.3.0-0a4a99c921bd2ecbe821e2c57ac55aa8/target/bin/ocamlc.opt -w @1..3@5..28@30..39@43@46..47@49..57@61..62-40 -strict-sequence -strict-formats -short-paths -keep-locs -g -bin-annot -bin-annot-occurrences -I src/lib/.slacko.objs/byte -I src/lib/.slacko.objs/public_cmi -I /home/opam/.cache/dune/toolchains/ocaml-compiler.5.3.0-0a4a99c921bd2ecbe821e2c57ac55aa8/target/lib/ocaml/threads -I /home/opam/.cache/dune/toolchains/ocaml-compiler.5.3.0-0a4a99c921bd2ecbe821e2c57ac55aa8/target/lib/ocaml/unix -I ../_private/default/.pkg/angstrom/target/lib/angstrom -I ../_private/default/.pkg/astring/target/lib/astring -I ../_private/default/.pkg/base64/target/lib/base64 -I ../_private/default/.pkg/bigstringaf/target/lib/bigstringaf -I ../_private/default/.pkg/cohttp-lwt-unix/target/lib/cohttp-lwt-unix -I ../_private/default/.pkg/cohttp-lwt/target/lib/cohttp-lwt -I ../_private/default/.pkg/cohttp/target/lib/cohttp -I ../_private/default/.pkg/conduit-lwt-unix/target/lib/conduit-lwt-unix -I ../_private/default/.pkg/conduit-lwt/target/lib/conduit-lwt -I ../_private/default/.pkg/conduit/target/lib/conduit -I ../_private/default/.pkg/domain-name/target/lib/domain-name -I ../_private/default/.pkg/fmt/target/lib/fmt -I ../_private/default/.pkg/http/target/lib/http -I ../_private/default/.pkg/ipaddr-sexp/target/lib/ipaddr-sexp -I ../_private/default/.pkg/ipaddr/target/lib/ipaddr -I ../_private/default/.pkg/ipaddr/target/lib/ipaddr/unix -I ../_private/default/.pkg/logs/target/lib/logs -I ../_private/default/.pkg/lwt/target/lib/lwt -I ../_private/default/.pkg/lwt/target/lib/lwt/unix -I ../_private/default/.pkg/macaddr/target/lib/macaddr -I ../_private/default/.pkg/magic-mime/target/lib/magic-mime -I ../_private/default/.pkg/ocamlfind/target/lib/bytes -I ../_private/default/.pkg/ocplib-endian/target/lib/ocplib-endian -I ../_private/default/.pkg/ocplib-endian/target/lib/ocplib-endian/bigstring -I ../_private/default/.pkg/ppx_deriving/target/lib/ppx_deriving/runtime -I ../_private/default/.pkg/ppx_deriving_yojson/target/lib/ppx_deriving_yojson/runtime -I ../_private/default/.pkg/ppx_sexp_conv/target/lib/ppx_sexp_conv/runtime-lib -I ../_private/default/.pkg/ptime/target/lib/ptime -I ../_private/default/.pkg/re/target/lib/re -I ../_private/default/.pkg/seq/target/lib/seq -I ../_private/default/.pkg/sexplib0/target/lib/sexplib0 -I ../_private/default/.pkg/stringext/target/lib/stringext -I ../_private/default/.pkg/uri-sexp/target/lib/uri-sexp -I ../_private/default/.pkg/uri/target/lib/uri -I ../_private/default/.pkg/uri/target/lib/uri/services -I ../_private/default/.pkg/yojson/target/lib/yojson -no-alias-deps -opaque -open Slacko__ -o src/lib/.slacko.objs/byte/slacko.cmi -c -intf src/lib/slacko.pp.mli) File "src/lib/slacko.mli", line 323, characters 11-27: 323 | profile: Yojson.Safe.json; ^^^^^^^^^^^^^^^^ Error: Unbound type constructor "Yojson.Safe.json" "/usr/bin/env" "bash" "-c" "cd $HOME && opam source slacko.0.15.0 && cd slacko.0.15.0 && opam install ./ --depext-only --with-test && echo '(lang dune 3.17) (lock_dir (repositories overlay default )) (repository (name default) (url "git+https://github.com/ocaml/opam-repository.git")) ' > dune-workspace && PATH=$HOME/.local/bin:$PATH dune pkg lock && PATH=$HOME/.local/bin:$PATH dune build" failed with exit status 1 Failed: Build failed