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tortoise-hare-algorithm dev Error 🔥

Context

# Packages matching: installed
# Name                   # Installed # Synopsis
base-bigarray            base
base-threads             base
base-unix                base
conf-findutils           1           Virtual package relying on findutils
conf-gmp                 4           Virtual package relying on a GMP lib system installation
coq                      dev         Formal proof management system
dune                     3.1.1       Fast, portable, and opinionated build system
ocaml                    4.07.1      The OCaml compiler (virtual package)
ocaml-base-compiler      4.07.1      Official release 4.07.1
ocaml-config             1           OCaml Switch Configuration
ocaml-secondary-compiler 4.08.1-1    OCaml 4.08.1 Secondary Switch Compiler
ocamlfind                1.9.1       A library manager for OCaml
ocamlfind-secondary      1.9.1       Adds support for ocaml-secondary-compiler to ocamlfind
zarith                   1.12        Implements arithmetic and logical operations over arbitrary-precision integers
# opam file:
opam-version: "2.0"
maintainer: "dev@clarus.me"
homepage: "https://github.com/coq-contribs/tortoise-hare-algorithm"
license: "Proprietary"
build: [
  ["coq_makefile" "-f" "Make" "-o" "Makefile"]
  [make "-j%{jobs}%"]
]
install: [make "install"]
remove: ["rm" "-R" "%{lib}%/coq/user-contrib/TortoiseHareAlgorithm"]
depends: [
  "ocaml"
  "coq" {= "dev"}
]
tags: [
  "keyword:program verification"
  "keyword:paths"
  "keyword:cycle detection"
  "keyword:graphs"
  "keyword:graph theory"
  "keyword:finite sets"
  "keyword:Floyd"
  "category:Computer Science/Decision Procedures and Certified Algorithms/Correctness proofs of algorithms"
  "date:2007-02"
]
authors: [ "Jean-Christophe Filliâtre <>" ]
synopsis: "Tortoise and the hare algorithm"
description: """
Correctness proof of Floyd's cycle-finding algorithm, also known as
the "tortoise and the hare"-algorithm.
See http://en.wikipedia.org/wiki/Floyd's_cycle-finding_algorithm"""
flags: light-uninstall
url {
  src:
    "git+https://github.com/coq-contribs/tortoise-hare-algorithm.git#master"
}

Lint

Command
true
Return code
0

Dry install 🏜️

Dry install with the current Coq version:

Command
opam install -y --show-action coq-tortoise-hare-algorithm.dev coq.dev
Return code
0

Dry install without Coq/switch base, to test if the problem was incompatibility with the current Coq/OCaml version:

Command
true
Return code
0

Install dependencies

Command
opam list; echo; ulimit -Sv 4000000; timeout 4h opam install -y --deps-only coq-tortoise-hare-algorithm.dev coq.dev
Return code
0
Duration
1 m 0 s

Install 🚀

Command
opam list; echo; ulimit -Sv 16000000; timeout 4h opam install -y coq-tortoise-hare-algorithm.dev coq.dev
Return code
7936
Duration
1 m 0 s
Output
# Packages matching: installed
# Name                   # Installed # Synopsis
base-bigarray            base
base-threads             base
base-unix                base
conf-findutils           1           Virtual package relying on findutils
conf-gmp                 4           Virtual package relying on a GMP lib system installation
coq                      dev         Formal proof management system
dune                     3.1.1       Fast, portable, and opinionated build system
ocaml                    4.07.1      The OCaml compiler (virtual package)
ocaml-base-compiler      4.07.1      Official release 4.07.1
ocaml-config             1           OCaml Switch Configuration
ocaml-secondary-compiler 4.08.1-1    OCaml 4.08.1 Secondary Switch Compiler
ocamlfind                1.9.1       A library manager for OCaml
ocamlfind-secondary      1.9.1       Adds support for ocaml-secondary-compiler to ocamlfind
zarith                   1.12        Implements arithmetic and logical operations over arbitrary-precision integers
[NOTE] Package coq is already installed (current version is dev).
The following actions will be performed:
  - install coq-tortoise-hare-algorithm dev
<><> Gathering sources ><><><><><><><><><><><><><><><><><><><><><><><><><><><><>
[coq-tortoise-hare-algorithm.dev] synchronised from git+https://github.com/coq-contribs/tortoise-hare-algorithm.git#master
<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
[ERROR] The compilation of coq-tortoise-hare-algorithm failed at "/home/bench/.opam/opam-init/hooks/sandbox.sh build make -j4".
#=== ERROR while compiling coq-tortoise-hare-algorithm.dev ====================#
# context              2.0.6 | linux/x86_64 | ocaml-base-compiler.4.07.1 | file:///home/bench/run/opam-coq-archive/extra-dev
# path                 ~/.opam/ocaml-base-compiler.4.07.1/.opam-switch/build/coq-tortoise-hare-algorithm.dev
# command              ~/.opam/opam-init/hooks/sandbox.sh build make -j4
# exit-code            2
# env-file             ~/.opam/log/coq-tortoise-hare-algorithm-13168-0a5907.env
# output-file          ~/.opam/log/coq-tortoise-hare-algorithm-13168-0a5907.out
### output ###
# COQDEP VFILES
# *** Warning: in file TortoiseHareAlgorithm.v, library Omega is required and has not been found in the loadpath!
# COQC TortoiseHareAlgorithm.v
# File "./TortoiseHareAlgorithm.v", line 20, characters 0-21:
# Error: Cannot find a physical path bound to logical path Omega.
# 
# make[1]: *** [Makefile:791: TortoiseHareAlgorithm.vo] Error 1
# make: *** [Makefile:408: all] Error 2
<><> Error report <><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><>
+- The following actions failed
| - build coq-tortoise-hare-algorithm dev
+- 
- No changes have been performed
# Run eval $(opam env) to update the current shell environment

Installation size

No files were installed.

Uninstall 🧹

Command
true
Return code
0
Missing removes
none
Wrong removes
none