Buildout takes forever to finish on our conda envs (even longer on idiap machines)

It takes 29 seconds on my laptop which has NVME SSD and core i7 pro to do a simple buildout. I did a profiling on my laptop:

amir@archie ~/idiap/git/bobs/bob.extension (git)-[master] % buildout           
Creating directory '/home/amir/idiap/git/bobs/bob.extension/eggs'.
Creating directory '/home/amir/idiap/git/bobs/bob.extension/bin'.
Creating directory '/home/amir/idiap/git/bobs/bob.extension/parts'.
Creating directory '/home/amir/idiap/git/bobs/bob.extension/develop-eggs'.
Develop: '/home/amir/idiap/git/bobs/bob.extension/.'
Getting distribution for 'bob.buildout'.
Got bob.buildout 2.1.0.
Getting distribution for 'zc.recipe.egg>=2.0.0a3'.
Got zc.recipe.egg 2.0.3.
Installing scripts.
Python: Generated script '/home/amir/idiap/git/bobs/bob.extension/bin/python'.
GdbPython: Generated script '/home/amir/idiap/git/bobs/bob.extension/bin/gdb-python'.
Generated script '/home/amir/idiap/git/bobs/bob.extension/bin/bob_dependecy_graph.py'.
Generated script '/home/amir/idiap/git/bobs/bob.extension/bin/bob_new_version.py'.
Generated script '/home/amir/idiap/git/bobs/bob.extension/bin/nosetests'.
Generated script '/home/amir/idiap/git/bobs/bob.extension/bin/coverage'.
Generated script '/home/amir/idiap/git/bobs/bob.extension/bin/sphinx-apidoc'.
Generated script '/home/amir/idiap/git/bobs/bob.extension/bin/sphinx-build'.
Generated script '/home/amir/idiap/git/bobs/bob.extension/bin/sphinx-quickstart'.
Generated script '/home/amir/idiap/git/bobs/bob.extension/bin/sphinx-autogen'.
buildout  25,80s user 2,22s system 95% cpu 29,398 total
amir@archie ~/idiap/git/bobs/bob.extension (git)-[master] % ipython                                           
Python 2.7.13 |Anaconda custom (64-bit)| (default, Dec 20 2016, 23:09:15) 
Type "copyright", "credits" or "license" for more information.

IPython 5.1.0 -- An enhanced Interactive Python.
?         -> Introduction and overview of IPython's features.
%quickref -> Quick reference.
help      -> Python's own help system.
object?   -> Details about 'object', use 'object??' for extra details.

In [1]: import pstats
   ...: p = pstats.Stats('results.txt')
   ...: p.strip_dirs().sort_stats(2).print_stats()
Tue Mar 14 17:49:57 2017    results.txt

         13420083 function calls (13389173 primitive calls) in 24.035 seconds

   Ordered by: cumulative time

   ncalls  tottime  percall  cumtime  percall filename:lineno(function)
        1    0.001    0.001   24.083   24.083 buildout:2(<module>)
        3    0.001    0.000   15.669    5.223 easy_install.py:894(install)
        1    0.001    0.001   12.678   12.678 buildout.py:15(<module>)
        1    0.034    0.034   12.619   12.619 easy_install.py:19(<module>)
       11    0.110    0.010   12.410    1.128 __init__.py:1068(scan)
        9    0.000    0.000   12.409    1.379 __init__.py:1030(__init__)
        3    0.000    0.000   12.289    4.096 easy_install.py:229(__init__)
        3    0.000    0.000   12.234    4.078 easy_install.py:273(_make_env)
        1    0.000    0.000   11.404   11.404 buildout.py:1889(main)
        1    0.000    0.000   11.400   11.400 buildout.py:506(install)
55655/54745    0.366    0.000    9.814    0.000 __init__.py:1967(find_on_path)
    54376    0.349    0.000    8.730    0.000 __init__.py:2385(from_location)
        1    0.000    0.000    6.484    6.484 buildout.py:805(_compute_part_signatures)
        1    0.000    0.000    6.482    6.482 buildout.py:1686(_dists_sig)
        2    0.123    0.061    6.482    3.241 buildout.py:1650(_dir_hash)
    51664    0.111    0.000    5.801    0.000 __init__.py:2728(_reload_version)
    51664    0.142    0.000    5.534    0.000 __init__.py:2357(_version_from_file)
   157562    1.504    0.000    3.797    0.000 version.py:198(__init__)
    51664    0.088    0.000    3.607    0.000 {next}
   207074    0.277    0.000    3.516    0.000 __init__.py:2530(_get_metadata)
    57499    3.502    0.000    3.502    0.000 {method 'read' of 'file' objects}
   106089    0.258    0.000    3.485    0.000 __init__.py:1381(safe_version)
   138/96    0.000    0.000    3.404    0.035 buildout.py:1126(__getitem__)
        3    0.000    0.000    3.404    1.135 buildout.py:1228(_initialize)
        1    0.000    0.000    3.404    3.404 buildout.py:1251(initialize)
        1    0.000    0.000    3.403    3.403 buildout.py:1180(_install_and_load)
        3    0.000    0.000    3.379    1.126 easy_install.py:648(install)
        4    0.000    0.000    3.235    0.809 easy_install.py:527(_get_dist)
    51212    0.207    0.000    3.227    0.000 __init__.py:1094(add)
       20    0.000    0.000    3.082    0.154 subprocess.py:160(call)
       40    0.000    0.000    3.066    0.077 subprocess.py:118(_eintr_retry_call)
       20    0.000    0.000    3.037    0.152 subprocess.py:1068(wait)
       20    3.036    0.152    3.036    0.152 {posix.waitpid}
    50375    0.128    0.000    2.543    0.000 __init__.py:2431(__eq__)
        2    0.000    0.000    2.426    1.213 easy_install.py:1662(_move_to_eggs_dir_and_compile)
    54460    0.202    0.000    2.249    0.000 __init__.py:2373(__init__)
   102633    0.186    0.000    2.242    0.000 __init__.py:2405(hashcmp)
        2    0.000    0.000    2.136    1.068 easy_install.py:1579(call_easy_install)
    27620    1.842    0.000    1.842    0.000 {method 'update' of '_hashlib.HASH' objects}
   102688    0.114    0.000    1.480    0.000 __init__.py:2452(parsed_version)
    51189    0.053    0.000    1.220    0.000 __init__.py:204(parse_version)
    18350    0.050    0.000    1.123    0.000 __init__.py:1872(get_metadata_lines)
    18350    0.180    0.000    1.074    0.000 __init__.py:1859(get_metadata)
       18    0.000    0.000    0.947    0.053 easy_install.py:154(call_subprocess)
207656/207151    0.268    0.000    0.912    0.000 __init__.py:2193(yield_lines)
   157237    0.780    0.000    0.868    0.000 version.py:343(_cmpkey)
        1    0.000    0.000    0.829    0.829 buildout.py:1413(_call)
        1    0.000    0.000    0.829    0.829 scripts.py:237(install)
      180    0.005    0.000    0.790    0.004 __init__.py:688(add_entry)
        6    0.001    0.000    0.745    0.124 script.py:110(working_set)
20357/3463    0.075    0.000    0.744    0.000 os.py:209(walk)