Derive([("out","/gnu/store/dr3d151k8n5lpsf70lcbyy3lzrflzc41-msgpack-1.0.4.tar.gz","sha256","f5d869c18f030202eb412f08b28d2afeea553d6613aee89e200d7aca7ef01f5f")],[],["/gnu/store/0mxnx8l4fgigvd7gakwdk6hc6im4wnai-disarchive-mirrors","/gnu/store/ckxc05iflc8jagdxwh4z1cxc23mb6i6q-mirrors","/gnu/store/wg1yp2vx8gb7qmcgyibqnwblahpp4bjg-content-addressed-mirrors"],"riscv64-linux","builtin:download",[],[("content-addressed-mirrors","/gnu/store/wg1yp2vx8gb7qmcgyibqnwblahpp4bjg-content-addressed-mirrors"),("disarchive-mirrors","/gnu/store/0mxnx8l4fgigvd7gakwdk6hc6im4wnai-disarchive-mirrors"),("impureEnvVars","http_proxy https_proxy LC_ALL LC_MESSAGES LANG COLUMNS"),("mirrors","/gnu/store/ckxc05iflc8jagdxwh4z1cxc23mb6i6q-mirrors"),("out","/gnu/store/dr3d151k8n5lpsf70lcbyy3lzrflzc41-msgpack-1.0.4.tar.gz"),("preferLocalBuild","1"),("url","\"https://files.pythonhosted.org/packages/source/m/msgpack/msgpack-1.0.4.tar.gz\"")])