Error log

The package failed to build. The error log from opam follows.

# Detecting depexts using vars: arch=x86_64, os=linux, os-distribution=debian, os-family=debian
# The following system packages are needed:
diffutils
libpcre3-dev
patchutils
pkg-config
The following command needs to be run through "sudo":
    apt-get install -qq -yy diffutils libpcre3-dev patchutils pkg-config
debconf: delaying package configuration, since apt-utils is not installed
Selecting previously unselected package libglib2.0-0:amd64.
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(Reading database ... 18283 files and directories currently installed.)
Preparing to unpack .../00-libglib2.0-0_2.66.8-1_amd64.deb ...
Unpacking libglib2.0-0:amd64 (2.66.8-1) ...
Selecting previously unselected package libglib2.0-data.
Preparing to unpack .../01-libglib2.0-data_2.66.8-1_all.deb ...
Unpacking libglib2.0-data (2.66.8-1) ...
Selecting previously unselected package libicu67:amd64.
Preparing to unpack .../02-libicu67_67.1-7_amd64.deb ...
Unpacking libicu67:amd64 (67.1-7) ...
Selecting previously unselected package libpcre16-3:amd64.
Preparing to unpack .../03-libpcre16-3_2%3a8.39-13_amd64.deb ...
Unpacking libpcre16-3:amd64 (2:8.39-13) ...
Selecting previously unselected package libpcre32-3:amd64.
Preparing to unpack .../04-libpcre32-3_2%3a8.39-13_amd64.deb ...
Unpacking libpcre32-3:amd64 (2:8.39-13) ...
Selecting previously unselected package libpcrecpp0v5:amd64.
Preparing to unpack .../05-libpcrecpp0v5_2%3a8.39-13_amd64.deb ...
Unpacking libpcrecpp0v5:amd64 (2:8.39-13) ...
Selecting previously unselected package libpcre3-dev:amd64.
Preparing to unpack .../06-libpcre3-dev_2%3a8.39-13_amd64.deb ...
Unpacking libpcre3-dev:amd64 (2:8.39-13) ...
Selecting previously unselected package libxml2:amd64.
Preparing to unpack .../07-libxml2_2.9.10+dfsg-6.7_amd64.deb ...
Unpacking libxml2:amd64 (2.9.10+dfsg-6.7) ...
Selecting previously unselected package patchutils.
Preparing to unpack .../08-patchutils_0.4.2-1_amd64.deb ...
Unpacking patchutils (0.4.2-1) ...
Selecting previously unselected package pkg-config.
Preparing to unpack .../09-pkg-config_0.29.2-1_amd64.deb ...
Unpacking pkg-config (0.29.2-1) ...
Selecting previously unselected package shared-mime-info.
Preparing to unpack .../10-shared-mime-info_2.0-1_amd64.deb ...
Unpacking shared-mime-info (2.0-1) ...
Selecting previously unselected package xdg-user-dirs.
Preparing to unpack .../11-xdg-user-dirs_0.17-2_amd64.deb ...
Unpacking xdg-user-dirs (0.17-2) ...
Setting up libpcrecpp0v5:amd64 (2:8.39-13) ...
Setting up libpcre16-3:amd64 (2:8.39-13) ...
Setting up libicu67:amd64 (67.1-7) ...
Setting up xdg-user-dirs (0.17-2) ...
Setting up libglib2.0-0:amd64 (2.66.8-1) ...
No schema files found: doing nothing.
Setting up patchutils (0.4.2-1) ...
Setting up libglib2.0-data (2.66.8-1) ...
Setting up libpcre32-3:amd64 (2:8.39-13) ...
Setting up pkg-config (0.29.2-1) ...
Setting up libxml2:amd64 (2.9.10+dfsg-6.7) ...
Setting up libpcre3-dev:amd64 (2:8.39-13) ...
Setting up shared-mime-info (2.0-1) ...
Processing triggers for libc-bin (2.31-13+deb11u2) ...
# OS packages installation successful
# Now letting opam install the packages
[NOTE] Package ocamlfind is already installed (current version is 1.9.1).
[NOTE] Package dune is already installed (current version is 2.9.0).
The following actions will be performed:
  - install sexplib0                v0.14.0
  - install ocaml-migrate-parsetree 2.2.0
  - install ppx_derivers            1.2.1
  - install conf-pkg-config         2
  - install seq                     base
  - install csexp                   1.5.1
  - install cmdliner                1.0.4
  - install mparser                 1.3
  - install result                  1.5
  - install ocaml-compiler-libs     v0.12.3
  - install base-bytes              base
  - install cppo                    1.6.7
  - install ocamlbuild              0.14.0
  - install stdlib-shims            0.3.0
  - install conf-libpcre            1
  - install dune-configurator       2.9.0
  - install topkg                   1.0.3
  - install cppo_ocamlbuild         1.6.7
  - install ppxlib                  0.22.2
  - install ocamlgraph              2.0.0
  - install pcre                    7.4.6
  - install containers              3.4
  - install logs                    0.7.0
  - install ppx_deriving            5.2.1
  - install visitors                20210608
  - install rotor                   0.1
===== 26 to install =====

<><> Gathering sources ><><><><><><><><><><><><><><><><><><><><><><><><><><><><>
[cmdliner.1.0.4] found in cache
Processing  2/26:
Processing  3/26:
Processing  4/26:
[containers.3.4] found in cache
Processing  5/26:
[cppo.1.6.7] found in cache
Processing  6/26:
[cppo_ocamlbuild.1.6.7] found in cache
Processing  7/26:
[csexp.1.5.1] found in cache
Processing  8/26:
[dune-configurator.2.9.0] found in cache
Processing  9/26:
[logs.0.7.0] found in cache
Processing 10/26:
[mparser.1.3] found in cache
Processing 11/26:
[ocaml-compiler-libs.v0.12.3] found in cache
Processing 12/26:
[ocaml-migrate-parsetree.2.2.0] found in cache
Processing 13/26:
[ocamlbuild.0.14.0] found in cache
Processing 14/26:
[ocamlgraph.2.0.0] found in cache
Processing 15/26:
[pcre.7.4.6] found in cache
Processing 16/26:
[ppx_derivers.1.2.1] found in cache
Processing 17/26:
[ppx_deriving.5.2.1] found in cache
Processing 18/26:
[ppxlib.0.22.2] found in cache
Processing 19/26:
[result.1.5] found in cache
Processing 20/26:
Processing 21/26: [rotor.0.1: http]
Processing 22/26: [rotor.0.1: http]
[sexplib0.v0.14.0] found in cache
Processing 23/26: [rotor.0.1: http]
[stdlib-shims.0.3.0] found in cache
Processing 24/26: [rotor.0.1: http]
[topkg.1.0.3] found in cache
Processing 25/26: [rotor.0.1: http]
[visitors.20210608] found in cache
Processing 26/26: [rotor.0.1: http]
Processing 26/26:
[ERROR] The sources of the following couldn't be obtained, aborting:
          - rotor.0.1:
            https://gitlab.com/trustworthy-refactoring/refactorer/-/archive/0.1/refactorer-0.1.zip (Bad checksum, expected md5=372ca9b6a7af2fdd99d5117d376870b4)

'opam install --verbose --yes rotor.0.1 base-bytes.base cmdliner.1.0.4 conf-libpcre.1 conf-pkg-config.2 containers.3.4 cppo.1.6.7 cppo_ocamlbuild.1.6.7 csexp.1.5.1 dune.2.9.0 dune-configurator.2.9.0 logs.0.7.0 mparser.1.3 ocaml-compiler-libs.v0.12.3 ocaml-migrate-parsetree.2.2.0 ocamlbuild.0.14.0 ocamlfind.1.9.1 ocamlgraph.2.0.0 pcre.7.4.6 ppx_derivers.1.2.1 ppx_deriving.5.2.1 ppxlib.0.22.2 result.1.5 seq.base sexplib0.v0.14.0 stdlib-shims.0.3.0 topkg.1.0.3 visitors.20210608' failed.