Layers Segfault opam dependencies

layers.export

opam-version: "2.0"
compiler: [
  "base-bigarray.base"
  "base-threads.base"
  "base-unix.base"
  "ocaml.4.10.0"
  "ocaml-variants.4.10.0+multicore"
]
roots: [
  "cmdliner.1.0.4"
  "dune.2.8.2"
  "index.1.3.0"
  "irmin.2.4.0"
  "irmin-layers.2.4.0"
  "irmin-pack.2.4.0"
  "ocaml-migrate-parsetree.dev"
  "ocaml-variants.4.10.0+multicore"
  "ppx_deriving_yojson.3.6.1"
  "ppxlib.dev"
]
installed: [
  "angstrom.0.15.0"
  "astring.0.8.5"
  "base-bigarray.base"
  "base-bytes.base"
  "base-threads.base"
  "base-unix.base"
  "base64.3.5.0"
  "bheap.2.0.0"
  "bigarray-compat.1.0.0"
  "bigstringaf.0.7.0"
  "biniou.1.2.1"
  "cmdliner.1.0.4"
  "conf-m4.1"
  "conf-pkg-config.2"
  "cppo.1.6.7"
  "csexp.1.4.0"
  "digestif.1.0.0"
  "dune.2.8.2"
  "dune-configurator.2.8.2"
  "easy-format.1.3.2"
  "either.1.0.0"
  "eqaf.0.7"
  "fmt.0.8.9"
  "index.1.3.0"
  "irmin.2.4.0"
  "irmin-layers.2.4.0"
  "irmin-pack.2.4.0"
  "jsonm.1.0.1"
  "logs.0.7.0"
  "lwt.5.4.0"
  "mmap.1.1.0"
  "mtime.1.2.0"
  "ocaml.4.10.0"
  "ocaml-compiler-libs.v0.12.3"
  "ocaml-migrate-parsetree.dev"
  "ocaml-syntax-shims.1.0.0"
  "ocaml-variants.4.10.0+multicore"
  "ocamlbuild.0.14.0"
  "ocamlfind.1.8.1"
  "ocamlgraph.2.0.0"
  "ocplib-endian.1.1"
  "ppx_derivers.1.2.1"
  "ppx_deriving.5.2.1"
  "ppx_deriving_yojson.3.6.1"
  "ppx_irmin.2.4.0"
  "ppx_repr.0.2.1"
  "ppxlib.dev"
  "progress.0.1.1"
  "repr.0.2.1"
  "result.1.5"
  "semaphore-compat.1.0.1"
  "seq.base"
  "sexplib0.v0.14.0"
  "stdlib-shims.0.3.0"
  "stringext.1.6.0"
  "terminal_size.0.1.4"
  "topkg.1.0.3"
  "uchar.0.0.2"
  "uri.4.1.0"
  "uutf.1.0.2"
  "yojson.1.7.0"
]
pinned: ["ocaml-migrate-parsetree.dev" "ppxlib.dev"]
package "ocaml-migrate-parsetree" {
  opam-version: "2.0"
  version: "dev"
  synopsis: "Convert OCaml parsetrees between different versions"
  description: """
Convert OCaml parsetrees between different versions

This library converts parsetrees, outcometree and ast mappers between
different OCaml versions.  High-level functions help making PPX
rewriters independent of a compiler version."""
  maintainer: "[email protected]"
  authors: [
    "Frédéric Bour <[email protected]>"
    "Jérémie Dimino <[email protected]>"
  ]
  license: "LGPL-2.1 with OCaml linking exception"
  tags: ["syntax" "org:ocamllabs"]
  homepage: "https://github.com/ocaml-ppx/ocaml-migrate-parsetree"
  doc: "https://ocaml-ppx.github.io/ocaml-migrate-parsetree/"
  bug-reports: "https://github.com/ocaml-ppx/ocaml-migrate-parsetree/issues"
  depends: [
    "dune" {>= "1.11"}
    "ocaml" {>= "4.02.3" & < "4.13"}
  ]
  build: ["dune" "build" "-p" name "-j" jobs]
  dev-repo: "git+https://github.com/ocaml-ppx/ocaml-migrate-parsetree.git"
  url {
    src:
      "git+file:///home/sk/shubham_sandmark/ocaml-migrate-parsetree#multicore"
  }
}
package "ppxlib" {
  opam-version: "2.0"
  version: "dev"
  synopsis: "Standard library for ppx rewriters"
  description: """
Ppxlib is the standard library for ppx rewriters and other programs
that manipulate the in-memory reprensation of OCaml programs, a.k.a
the "Parsetree".

It also comes bundled with two ppx rewriters that are commonly used to
write tools that manipulate and/or generate Parsetree values;
`ppxlib.metaquot` which allows to construct Parsetree values using the
OCaml syntax directly and `ppxlib.traverse` which provides various
ways of automatically traversing values of a given type, in particular
allowing to inject a complex structured value into generated code."""
  maintainer: "[email protected]"
  authors: "Jane Street Group, LLC <[email protected]>"
  license: "MIT"
  homepage: "https://github.com/ocaml-ppx/ppxlib"
  doc: "https://ocaml-ppx.github.io/ppxlib/"
  bug-reports: "https://github.com/ocaml-ppx/ppxlib/issues"
  depends: [
    "dune" {>= "2.7"}
    "ocaml" {>= "4.04.1" & < "4.13"}
    "ocaml-compiler-libs" {>= "v0.11.0"}
    "ocaml-migrate-parsetree" {>= "2.1.0"}
    "ppx_derivers" {>= "1.0"}
    "sexplib0"
    "stdlib-shims"
    "ocamlfind" {with-test}
    "re" {with-test & >= "1.9.0"}
    "cinaps" {with-test & >= "v0.12.1"}
    "base" {with-test}
    "stdio" {with-test}
    "odoc" {with-doc}
  ]
  build: [
    ["dune" "subst"] {dev}
    [
      "dune"
      "build"
      "-p"
      name
      "-j"
      jobs
      "@install"
      "@runtest" {with-test}
      "@doc" {with-doc}
    ]
  ]
  dev-repo: "git+https://github.com/ocaml-ppx/ppxlib.git"
  url {
    src: "git+file:///home/sk/shubham_sandmark/ppxlib#multicore"
  }
}