Conan build failing with an unexpected error

[sandybhat16]

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What happened?

I am trying to create a boost header only package with the version 1.70.0.

I am using the below recipe to generate the headers.

{% set version = "1.70.0" %}

package:
  name: boost-split
  version: {{ version }}

source:
  url: https://boostorg.jfrog.io/artifactory/main/release/{{ version }}/source/boost_{{ version|replace(".", "_") }}.zip
  sha256: 48f379b2e90dd1084429aae87d6bdbde9670139fa7569ee856c8c86dd366039d

outputs:
  - name: libboost-headers
    script: install-lib.bat  # [win]

@echo on

if [%PKG_NAME%] == [libboost-headers] (
    REM for libboost-headers, only the headers
    robocopy temp_prefix\include %LIBRARY_INC% /E >nul
    REM robocopy leaves non-zero exit status as sign of success; clear it
    echo "robocopy done"
) else (
    REM everything else
    xcopy /E /Y temp_prefix\lib %LIBRARY_LIB%
)

I get an unexpected error. I have attached the error log.
NewError.txt

Conda Info

active environment : base
    active env location : C:\Miniconda\miniconda3
            shell level : 1
       user config file : C:\Users\myuser\.condarc
 populated config files : C:\Users\myuser\.condarc
          conda version : 23.5.2
    conda-build version : 3.27.0
         python version : 3.11.4.final.0
       virtual packages : __archspec=1=x86_64
                          __cuda=12.0=0
                          __win=0=0
       base environment : C:\Miniconda\miniconda3  (writable)
      conda av data dir : C:\Miniconda\miniconda3\etc\conda
  conda av metadata url : None
           channel URLs : https://repo.anaconda.com/pkgs/main/win-64
                          https://repo.anaconda.com/pkgs/main/noarch
                          https://repo.anaconda.com/pkgs/r/win-64
                          https://repo.anaconda.com/pkgs/r/noarch
                          https://repo.anaconda.com/pkgs/msys2/win-64
                          https://repo.anaconda.com/pkgs/msys2/noarch
          package cache : C:\Miniconda\miniconda3\pkgs
                          C:\Users\myuser\.conda\pkgs
                          C:\Users\myuser\AppData\Local\conda\conda\pkgs
       envs directories : C:\Miniconda\miniconda3\envs
                          C:\Users\myuser\.conda\envs
                          C:\Users\myuser\AppData\Local\conda\conda\envs
               platform : win-64
             user-agent : conda/23.5.2 requests/2.29.0 CPython/3.11.4 Windows/10 Windows/10.0.19045
          administrator : True
             netrc file : None
           offline mode : False

Conda Config

==> C:\Users\myuser\.condarc <==
show_channel_urls: True

Conda list

# packages in environment at C:\Miniconda\miniconda3:
#
# Name                    Version                   Build  Channel
beautifulsoup4            4.12.2          py311haa95532_0    defaults
boltons                   23.0.0          py311haa95532_0    defaults
brotlipy                  0.7.0           py311h2bbff1b_1002    defaults
bzip2                     1.0.8                he774522_0    defaults
ca-certificates           2023.08.22           haa95532_0    defaults
certifi                   2023.7.22       py311haa95532_0    defaults
cffi                      1.15.1          py311h2bbff1b_3    defaults
chardet                   4.0.0           py311haa95532_1003    defaults
charset-normalizer        2.0.4              pyhd3eb1b0_0    defaults
click                     8.0.4           py311haa95532_0    defaults
colorama                  0.4.6           py311haa95532_0    defaults
conda                     23.5.2          py311haa95532_0    defaults
conda-build               3.27.0          py311haa95532_0    defaults
conda-content-trust       0.1.3           py311haa95532_0    defaults
conda-index               0.3.0           py311haa95532_0    defaults
conda-libmamba-solver     23.5.0          py311haa95532_0    defaults
conda-package-handling    2.1.0           py311haa95532_0    defaults
conda-package-streaming   0.8.0           py311haa95532_0    defaults
console_shortcut_miniconda 0.1.1                haa95532_1    defaults
cryptography              39.0.1          py311h21b164f_2    defaults
filelock                  3.9.0           py311haa95532_0    defaults
fmt                       9.1.0                h6d14046_0    defaults
idna                      3.4             py311haa95532_0    defaults
jinja2                    3.1.2           py311haa95532_0    defaults
jsonpatch                 1.32               pyhd3eb1b0_0    defaults
jsonpointer               2.1                pyhd3eb1b0_0    defaults
libarchive                3.6.2                hb62f4d4_2    defaults
libcurl                   8.1.1                h86230a5_0    defaults
libffi                    3.4.4                hd77b12b_0    defaults
libiconv                  1.16                 h2bbff1b_2    defaults
liblief                   0.12.3               hd77b12b_0    defaults
libmamba                  1.4.1                h77c03ed_1    defaults
libmambapy                1.4.1           py311h77c03ed_1    defaults
libsolv                   0.7.22               h23ce68f_0    defaults
libssh2                   1.10.0               he2ea4bf_2    defaults
libxml2                   2.10.3               h0ad7f3c_0    defaults
lz4-c                     1.9.4                h2bbff1b_0    defaults
m2-msys2-runtime          2.5.0.17080.65c939c               3    defaults
m2-patch                  2.7.5                         2    defaults
markupsafe                2.1.1           py311h2bbff1b_0    defaults
menuinst                  1.4.19          py311h59b6b97_1    defaults
more-itertools            8.12.0             pyhd3eb1b0_0    defaults
msys2-conda-epoch         20160418                      1    defaults
openssl                   3.0.11               h2bbff1b_2    defaults
packaging                 23.0            py311haa95532_0    defaults
pcre2                     10.37                h0ff8eda_1    defaults
pip                       23.1.2          py311haa95532_0    defaults
pkginfo                   1.9.6           py311haa95532_0    defaults
pluggy                    1.0.0           py311haa95532_1    defaults
powershell_shortcut_miniconda 0.0.1                haa95532_1    defaults
psutil                    5.9.0           py311h2bbff1b_0    defaults
py-lief                   0.12.3          py311hd77b12b_0    defaults
pybind11-abi              4                    hd3eb1b0_1    defaults
pycosat                   0.6.4           py311h2bbff1b_0    defaults
pycparser                 2.21               pyhd3eb1b0_0    defaults
pyopenssl                 23.0.0          py311haa95532_0    defaults
pysocks                   1.7.1           py311haa95532_0    defaults
python                    3.11.4               he1021f5_0    defaults
python-libarchive-c       2.9                pyhd3eb1b0_1    defaults
pytz                      2023.3.post1    py311haa95532_0    defaults
pyyaml                    6.0             py311h2bbff1b_1    defaults
reproc                    14.2.4               hd77b12b_1    defaults
reproc-cpp                14.2.4               hd77b12b_1    defaults
requests                  2.29.0          py311haa95532_0    defaults
ruamel.yaml               0.17.21         py311h2bbff1b_0    defaults
setuptools                67.8.0          py311haa95532_0    defaults
six                       1.16.0             pyhd3eb1b0_1    defaults
soupsieve                 2.5             py311haa95532_0    defaults
sqlite                    3.41.2               h2bbff1b_0    defaults
tk                        8.6.12               h2bbff1b_0    defaults
toolz                     0.12.0          py311haa95532_0    defaults
tqdm                      4.65.0          py311h746a85d_0    defaults
tzdata                    2023c                h04d1e81_0    defaults
urllib3                   1.26.16         py311haa95532_0    defaults
vc                        14.2                 h21ff451_1    defaults
vs2015_runtime            14.27.29016          h5e58377_2    defaults
wheel                     0.38.4          py311haa95532_0    defaults
win_inet_pton             1.1.0           py311haa95532_0    defaults
xz                        5.4.2                h8cc25b3_0    defaults
yaml                      0.2.5                he774522_0    defaults
yaml-cpp                  0.7.0                hd77b12b_1    defaults
zlib                      1.2.13               h8cc25b3_0    defaults
zstandard                 0.19.0          py311h2bbff1b_0    defaults
zstd                      1.5.5                hd43e919_0    defaults

Additional Context

No response

[sandybhat16]

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