Installing npm 1.0.x within Nave subshell failure.

gistfile1.txt

└─> bin/nave use 0.5.6
Already installed: 0.5.6
using 0.5.6

└─> curl http://npmjs.org/install.sh | sh
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100  7881  100  7881    0     0   8022      0 --:--:-- --:--:-- --:--:-- 22976
tar=/bin/tar
version:
tar (GNU tar) 1.26
Copyright (C) 2011 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.

Written by John Gilmore and Jay Fenlason.
install npm@1.0
fetching: http://registry.npmjs.org/npm/-/npm-1.0.106.tgz
0.5.6
1.0.106
cleanup prefix=/home/steven/.nave/installed/0.5.6

All clean!
./configure binroot=/home/steven/.nave/installed/0.5.6/bin manroot=/home/steven/.nave/installed/0.5.6/share/man root=/home/steven/.nave/installed/0.5.6/lib/node
node: src/unix/fs.c:89: uv_fs_req_cleanup: Assertion `(req->result == -1 && req->ptr == ((void *)0)) || (req->result >= 0 && req->ptr != ((void *)0))' failed.
npm-install-12111.sh: line 302: 12458 Aborted                 "$node" cli.js install -gf
It failed