.circleci: downgrade conda-package-handling to 1.6.0 (pytorch#49434)

Summary:
Pull Request resolved: pytorch#49434

There was a bug that was introduced in conda-package-handling >= 1.6.1 that makes archives
above a certain size fail out when attempting to extract
see: conda/conda-package-handling#71

coincides with pytorch/builder#611

Signed-off-by: Eli Uriegas <eliuriegas@fb.com>

Test Plan: Imported from OSS

Reviewed By: xuzhao9, janeyx99, samestep

Differential Revision: D25573390

Pulled By: seemethere

fbshipit-source-id: 82173804f1b30da6e4b401c4949e2ee52065e149

.circleci/scripts/binary_linux_test.sh

@@ -7,6 +7,11 @@ set -eux -o pipefail
 
 python_nodot="\$(echo $DESIRED_PYTHON | tr -d m.u)"
 
+# There was a bug that was introduced in conda-package-handling >= 1.6.1 that makes archives
+# above a certain size fail out when attempting to extract
+# see: https://github.com/conda/conda-package-handling/issues/71
+conda install -y conda-package-handling=1.6.0
+
 # Set up Python
 if [[ "$PACKAGE_TYPE" == conda ]]; then
   retry conda create -qyn testenv python="$DESIRED_PYTHON"