Created temporary directory: /tmp/pip-ephem-wheel-cache-ix8p43hg
Created temporary directory: /tmp/pip-req-tracker-6ple7v1h
Created requirements tracker '/tmp/pip-req-tracker-6ple7v1h'
Created temporary directory: /tmp/pip-wheel-859xm9_2
Looking in indexes: https://pypi.python.org/simple
Collecting mlflow==0.4.1
  1 location(s) to search for versions of mlflow:
  * https://pypi.python.org/simple/mlflow/
  Getting page https://pypi.python.org/simple/mlflow/
  Analyzing links from page https://pypi.org/simple/mlflow/
    Skipping link https://files.pythonhosted.org/packages/0b/81/2c9d1356b5396cf94f27fb2528ee79fbd5a9b736463a4ab4a26accd1a751/mlflow-0.0.1-py2-none-any.whl#sha256=55deb548858065e02ea3a98ed2db8491397cfdc0f27c37707a155fa9f8c2fdb3 (from https://pypi.org/simple/mlflow/); it is not compatible with this Python
    Found link https://files.pythonhosted.org/packages/fa/39/76613858472bc231b961a5fd539a612940718f0c9c7d2e6482eec8054c8d/mlflow-0.0.1.tar.gz#sha256=54dda23ca09e01de67b1c058e7aee2ed340cfda2a6aded22ea2072490cae2994 (from https://pypi.org/simple/mlflow/), version: 0.0.1
    Skipping link https://files.pythonhosted.org/packages/2b/64/ee2eb0a95b8da4e029e9c2e2e219c364d0e40c3b14a3fa937bb0244fc9c2/mlflow-0.1.0-py2-none-any.whl#sha256=311d0c39bc76b6ea3de395751b1f6ea7c87fd0707caed6c14aaf0bf0f92b0b72 (from https://pypi.org/simple/mlflow/); it is not compatible with this Python
    Found link https://files.pythonhosted.org/packages/e8/b3/cf358e182be34a62fcd6843e5df793f278bd9d24f78f565509cb927c6a22/mlflow-0.1.0.tar.gz#sha256=c82e583a5cef3832d77b4fdb4ee56fd35226632997dcaee40903d226f00bb6ac (from https://pypi.org/simple/mlflow/), version: 0.1.0
    Skipping link https://files.pythonhosted.org/packages/72/28/9e9bde0d1730c6ae681fc8ca3714e99094bdb0faaad92ec7d3b6b69dfe32/mlflow-0.2.0-py2-none-any.whl#sha256=81a8cd73e99aa464b50347531acd88decf4ad39f85261eab811f0046ff1df997 (from https://pypi.org/simple/mlflow/); it is not compatible with this Python
    Found link https://files.pythonhosted.org/packages/1e/6f/c2d0dcfa715b7ba5c5013bc2063066998ce7917ee419095ef158d53d8317/mlflow-0.2.0.tar.gz#sha256=59473b8a3993fe691879a5e6b86e6faad529713226ebbddb7e58365ae5000c13 (from https://pypi.org/simple/mlflow/), version: 0.2.0
    Skipping link https://files.pythonhosted.org/packages/21/c0/613cccd41c55d205a613ead7ce3ac4f951da662151cae4002129651bc9ed/mlflow-0.2.1-py2-none-any.whl#sha256=bf30364b0f46d56e16c66692be418de5dc973639ef8a573a6f6ae00c8a46d648 (from https://pypi.org/simple/mlflow/); it is not compatible with this Python
    Found link https://files.pythonhosted.org/packages/65/a0/082dcecdd76845ee8e97472741a5315e6dc697e2552935a73bdb6196d515/mlflow-0.2.1.tar.gz#sha256=e1792664c7e28bffac5848291e3fc459e27f65db1c2625dca46c7717428a0a0c (from https://pypi.org/simple/mlflow/), version: 0.2.1
    Skipping link https://files.pythonhosted.org/packages/81/ec/2f04eb4ae748fda87ca3fd1858f2636edb6b2738a00dc9e7ddfc7f400cbb/mlflow-0.3.0-py2-none-any.whl#sha256=455ad01376d5ca5c102cd9eeb76e7507ce40121340e85e38b509037813f1551e (from https://pypi.org/simple/mlflow/); it is not compatible with this Python
    Found link https://files.pythonhosted.org/packages/45/ec/7e1ed22737b28192d978c20bf8c96533472b914fd56aef2cda6fedf046d1/mlflow-0.3.0.tar.gz#sha256=b5577fb5ec062bf2914d94b28d82fea87096c2fb19722ce7f5295f17e0947f5a (from https://pypi.org/simple/mlflow/), version: 0.3.0
    Found link https://files.pythonhosted.org/packages/34/11/34530238dc0b53a128cdee548115438de726e83ce505e3c579a9e94a9f46/mlflow-0.4.0-py3-none-any.whl#sha256=b50dde8e86f88de5ec56c10b1799b813f8b170ec608739881665be167675b4c6 (from https://pypi.org/simple/mlflow/), version: 0.4.0
    Found link https://files.pythonhosted.org/packages/06/c8/e2f0eafd8990f23769b4a70e5ae40ad393522e60f2825a1566b17a78fd25/mlflow-0.4.0.tar.gz#sha256=4f526965aaff2fdd38a4a4ffe293552c6fd9c2bfd67e602c33360190d7b1ceda (from https://pypi.org/simple/mlflow/), version: 0.4.0
    Found link https://files.pythonhosted.org/packages/cb/16/ee000343200e35de68707d42fff02a0ac63cab1d1f8f27eb868b7ae1a291/mlflow-0.4.1-py3-none-any.whl#sha256=805c7d21f8ab68fc9637b39a1e0d8457f0549a0acdf4de6e8a93fc6030512d68 (from https://pypi.org/simple/mlflow/), version: 0.4.1
    Found link https://files.pythonhosted.org/packages/ed/48/38a32c9797ca90f73311358e11b627c7a2a60ddb3f1b26bb4fc8817d4c95/mlflow-0.4.1.tar.gz#sha256=dad457f574968c4a6465336ccd465756e253bb9a10a7e25667daff8cc2873141 (from https://pypi.org/simple/mlflow/), version: 0.4.1
  Using version 0.4.1 (newest of versions: 0.4.1)
  Created temporary directory: /tmp/pip-unpack-q2a893sw
  Downloading https://files.pythonhosted.org/packages/cb/16/ee000343200e35de68707d42fff02a0ac63cab1d1f8f27eb868b7ae1a291/mlflow-0.4.1-py3-none-any.whl (4.4MB)
  Downloading from URL https://files.pythonhosted.org/packages/cb/16/ee000343200e35de68707d42fff02a0ac63cab1d1f8f27eb868b7ae1a291/mlflow-0.4.1-py3-none-any.whl#sha256=805c7d21f8ab68fc9637b39a1e0d8457f0549a0acdf4de6e8a93fc6030512d68 (from https://pypi.org/simple/mlflow/)
  Saved /tmp/tmp11z3vb2n/mlflow-0.4.1-py3-none-any.whl
  Added mlflow==0.4.1 from https://files.pythonhosted.org/packages/cb/16/ee000343200e35de68707d42fff02a0ac63cab1d1f8f27eb868b7ae1a291/mlflow-0.4.1-py3-none-any.whl#sha256=805c7d21f8ab68fc9637b39a1e0d8457f0549a0acdf4de6e8a93fc6030512d68 to build tracker '/tmp/pip-req-tracker-6ple7v1h'
  Removed mlflow==0.4.1 from https://files.pythonhosted.org/packages/cb/16/ee000343200e35de68707d42fff02a0ac63cab1d1f8f27eb868b7ae1a291/mlflow-0.4.1-py3-none-any.whl#sha256=805c7d21f8ab68fc9637b39a1e0d8457f0549a0acdf4de6e8a93fc6030512d68 from build tracker '/tmp/pip-req-tracker-6ple7v1h'
Skipping mlflow, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-859xm9_2/mlflow
Removed build tracker '/tmp/pip-req-tracker-6ple7v1h'