Created temporary directory: /tmp/pip-ephem-wheel-cache-9bwnij7j
Created temporary directory: /tmp/pip-req-tracker-g0l3fbsv
Created requirements tracker '/tmp/pip-req-tracker-g0l3fbsv'
Created temporary directory: /tmp/pip-wheel-3a_z3e2e
Looking in indexes: https://pypi.python.org/simple
Collecting toga==0.3.0.dev10
  1 location(s) to search for versions of toga:
  * https://pypi.python.org/simple/toga/
  Getting page https://pypi.python.org/simple/toga/
  Analyzing links from page https://pypi.org/simple/toga/
    Found link https://files.pythonhosted.org/packages/3a/e2/16013570b77d248086ff5c2129d2dac42ea702f1bd8fb6b69b7b1ac9c774/toga-0.1.0-py2.py3-none-any.whl#sha256=f42d203707bb0a9cdfb61ef391cd0ac0181ca9cb3837d6756148ca1cb49a9658 (from https://pypi.org/simple/toga/), version: 0.1.0
    Found link https://files.pythonhosted.org/packages/41/e8/91bbc317e39f4b7046a565bfd440428bde9a3537570f888bbad83f3e8ef6/toga-0.1.0.tar.gz#sha256=843ab4dc2038c7ac556d5c104ede1d3c07083ea68c7ea6806ba22cadd5d7eb43 (from https://pypi.org/simple/toga/), version: 0.1.0
    Found link https://files.pythonhosted.org/packages/62/30/e5e4c55872233cc5980c5ee621c2eda74fc0696716452a4048b99e722743/toga-0.1.1-py2.py3-none-any.whl#sha256=6141f6d31c761642436aaae02a2ced621ea55790ed2e8ea59c9786b4bfdaa5e5 (from https://pypi.org/simple/toga/), version: 0.1.1
    Found link https://files.pythonhosted.org/packages/e9/9a/095034e24abe8b24cc3ae3f5b64b69658998610e8387591f735362f6d19e/toga-0.1.1.tar.gz#sha256=a6ff1ed9722c84b6a576103f2ad4bbffc15468fe4872ac2afa09933efebe673d (from https://pypi.org/simple/toga/), version: 0.1.1
    Found link https://files.pythonhosted.org/packages/52/e8/01e690cdf3f8bef1ea2a05870e1a90cece2f72e94b2fbd3f77984f9008a1/toga-0.1.2-py2.py3-none-any.whl#sha256=5a65ed4aa994ca474649b25dc2a48e36dca1d0c557d06d7444c08cf198a58400 (from https://pypi.org/simple/toga/), version: 0.1.2
    Found link https://files.pythonhosted.org/packages/12/32/5564d7b84f9fd046a320dd344e596339d8c9e2d7ae0401dcd76db5ee5db2/toga-0.1.2.tar.gz#sha256=82cf2bc1b31f3be4c742d0d412efb52201319daf5edba248d58eb9c430a56ef9 (from https://pypi.org/simple/toga/), version: 0.1.2
    Found link https://files.pythonhosted.org/packages/c2/31/c3c5397f1adf388eee2af2071e76078cf1f2613290541a631aba9cd0b1d0/toga-0.2.0.dev1-py2.py3-none-any.whl#sha256=00dc9c0629f65701274cec8d4065aaebfdec5aa4c9df384d9f0ab50ad17cd4c8 (from https://pypi.org/simple/toga/), version: 0.2.0.dev1
    Found link https://files.pythonhosted.org/packages/86/86/3ab05d6249a1aa5dfed3a9f158f1275faa33d046cb483bd1405be78f8dcd/toga-0.2.0.dev1.tar.gz#sha256=8129c3a443780c2daa92e912a7e7db3b3521df353dbff438a1975d30c09d3d49 (from https://pypi.org/simple/toga/), version: 0.2.0.dev1
    Found link https://files.pythonhosted.org/packages/7f/bc/56b13ed4113dd74c4e8c3ed2b47b42777e2241d2bf932494f1f78a2818f9/toga-0.2.0-py2.py3-none-any.whl#sha256=9289e36327dc36041f26af625dba0ef0e7f62358964adaa953bdf3e244fa814d (from https://pypi.org/simple/toga/), version: 0.2.0
    Found link https://files.pythonhosted.org/packages/0b/28/65ce43914ea2736c15289c33fe28a8f45fa9433a1ed5fc8123033ce6b80b/toga-0.2.0.tar.gz#sha256=85130ea9279bbcfa8ff68cc62e0e43640d1bc66b202705c6042bcad19feb9ab7 (from https://pypi.org/simple/toga/), version: 0.2.0
    Found link https://files.pythonhosted.org/packages/56/92/f3efc9e24442c18841bc66c8cc26af711019b4d95fb013e6790b1c415e4e/toga-0.2.1-py3-none-any.whl#sha256=afc77c02440241fcfd0ea5fe79d5607b4992bef0387ca6db99c889f1e336af4d (from https://pypi.org/simple/toga/), version: 0.2.1
    Found link https://files.pythonhosted.org/packages/7e/2f/e89047795306093badd2b08f65b4ffec852974ef6e4dd7cccca0897a1374/toga-0.2.1.tar.gz#sha256=33e8cfddd3185b416a8394417dc9a986f4f3d491078b4d8aa0682fe625d68512 (from https://pypi.org/simple/toga/), version: 0.2.1
    Found link https://files.pythonhosted.org/packages/7b/1a/7d8592e98347d3af11572ad8e6096a2279518f5c4f499671958d8a9377e3/toga-0.2.2-py3-none-any.whl#sha256=31199ac2497b6fbe75bc718f40fe011bf897071c699e9526ea8b01a09cbf0407 (from https://pypi.org/simple/toga/), version: 0.2.2
    Found link https://files.pythonhosted.org/packages/5e/9a/4839f7db7f62fd63f9057107352eac5800743d02a44c4ab3c2909191582d/toga-0.2.2.tar.gz#sha256=7f17b636d977041e68413effa91b407ef157ce7e1032a7a9a0d4c127bf39387e (from https://pypi.org/simple/toga/), version: 0.2.2
    Found link https://files.pythonhosted.org/packages/4a/8b/baa15c73c5e2db5551a56581be359cf2a37d8215005bb59e1ec4f2602efa/toga-0.2.3-py3-none-any.whl#sha256=4bb42fa4083ee98a9826ba7ae609a7663a0f94142006810e30c8c016be9eb4c6 (from https://pypi.org/simple/toga/), version: 0.2.3
    Found link https://files.pythonhosted.org/packages/2a/5c/2fc5b1572e70fe7ba5c9ce2988583ca3cf479fbb3ac953ee35ac5e11d0ee/toga-0.2.3.tar.gz#sha256=5a0af9fe7eee550a5558ddc87a473a46dd4862409eb2fc7258c39f36d36e3e68 (from https://pypi.org/simple/toga/), version: 0.2.3
    Found link https://files.pythonhosted.org/packages/9a/49/9ee9dd0e979867407cc352f5b4ffd868610794a6b9c10e6cff0782cca3d6/toga-0.2.4-py3-none-any.whl#sha256=043e254ccf252998c9e874e9a99c98d9d310cc682637aadca7239a2349e17e87 (from https://pypi.org/simple/toga/), version: 0.2.4
    Found link https://files.pythonhosted.org/packages/4c/52/f19bd1d6600ade83be2f7d9eca00f3dd7c01fe2678a7abde25fdb188091e/toga-0.2.4.tar.gz#sha256=f707fbb00aff395514f9d966c3a434703ac5ac2131458e7db4b2b8708389cb8b (from https://pypi.org/simple/toga/), version: 0.2.4
    Found link https://files.pythonhosted.org/packages/b7/0e/b89852c65fbbd42467d0d7cc84901deb569488f7b3ec0b00566c059e784e/toga-0.2.5-py3-none-any.whl#sha256=13c35c1ebce67f75406c473289e750b3b74b7b3734f6ccfd978aa0c8008de89a (from https://pypi.org/simple/toga/), version: 0.2.5
    Found link https://files.pythonhosted.org/packages/88/4b/c1d56d7148736e677f0f0c2df2c146edf8b595afa48f765c850ddf1e0d6f/toga-0.2.5.tar.gz#sha256=12edd8ad6e477c59b89939aa2f7163392a28310c0d49f0175f9583f0d47f823d (from https://pypi.org/simple/toga/), version: 0.2.5
    Found link https://files.pythonhosted.org/packages/6f/c2/86f14dbb7c26cf23b2f7d86829e947fbf096b938ec5013e88e878b8d017d/toga-0.2.6-py3-none-any.whl#sha256=fcf25c6614a7656319e178d75f421dabf13eb79bb930839345aa034ceec3fd4b (from https://pypi.org/simple/toga/), version: 0.2.6
    Found link https://files.pythonhosted.org/packages/bb/7b/ff1e8f61dc5c25d8b1c5d51c632a91b65da08289a6462d8bb18af15ba9ad/toga-0.2.6.tar.gz#sha256=7be692301e5b1e8c2d8c690d6461c680dfc792bc596cd2c3dfd5f24ebc6944ed (from https://pypi.org/simple/toga/), version: 0.2.6
    Found link https://files.pythonhosted.org/packages/72/75/ad1b36baf16a05387e359e04d874aa02e09a1cecd3fd6b863994b14822df/toga-0.2.7-py3-none-any.whl#sha256=21ad52fbd153471996773a3979f9b868020a0cc099d92bbc36bf4c5be0df58e0 (from https://pypi.org/simple/toga/), version: 0.2.7
    Found link https://files.pythonhosted.org/packages/65/4e/12eaae25179cf4b8caadd209234b3a4bd9bad6db62619bc89d140d6078cf/toga-0.2.7.tar.gz#sha256=cada1104f62c1256a222625f9ed9f8808f285cf5db6ea6d0409ec6dc926bf9d8 (from https://pypi.org/simple/toga/), version: 0.2.7
    Found link https://files.pythonhosted.org/packages/c2/54/e7bead5652c5de326a34b0f12c035dd076e143621c079d9d7087d5e63c8f/toga-0.2.8-py3-none-any.whl#sha256=e9a735e16cc8edf172f2e51b832514e82cb3fb25ea725ef2db7e8a5120614801 (from https://pypi.org/simple/toga/), version: 0.2.8
    Found link https://files.pythonhosted.org/packages/3a/a6/df73f1d1d796ed7f1afb8051edda16f80f55eb4d6274ad095b94178d9dfa/toga-0.2.8.tar.gz#sha256=fbecc3342775ae771b6a0e14f8ffb2f9380209c7d130e7600923d11263f809a5 (from https://pypi.org/simple/toga/), version: 0.2.8
    Found link https://files.pythonhosted.org/packages/63/88/55b526d6e081a4c827f90839227c656166895d15fb159effad932eea3a87/toga-0.2.9-py3-none-any.whl#sha256=69ed3a894d66616109e419f5e139666ecf2386da1cdf3127d9b473b66e28c7c3 (from https://pypi.org/simple/toga/), version: 0.2.9
    Found link https://files.pythonhosted.org/packages/f4/95/ea0582f838b7951c09721d9aadc2a0c366206057f52d359130d50454dd3f/toga-0.2.9.tar.gz#sha256=db529624605b8573e69234c2badbfc18ad5708dde6dcd838ab61f7e920f345b0 (from https://pypi.org/simple/toga/), version: 0.2.9
    Found link https://files.pythonhosted.org/packages/dd/12/15602614067d600062053a0871c8ab52e1137fb078510e0218918594744b/toga-0.2.10-py3-none-any.whl#sha256=7e5b3526ccd116632d9882d85700ad48f2d693860ad883febff32edf5f14c940 (from https://pypi.org/simple/toga/), version: 0.2.10
    Found link https://files.pythonhosted.org/packages/49/0d/a8cace48608765188edb4d664d761c28548919af4766b6da6f33fefb6e1f/toga-0.2.10.tar.gz#sha256=d20daddea4d5cfbfdbcba1f7e4e391cfe0895ed6123f662666080143addfcf5c (from https://pypi.org/simple/toga/), version: 0.2.10
    Found link https://files.pythonhosted.org/packages/46/a9/aef6055a6fa7da206579eb6c0fb8450ae9adba0e4438b750672200e004f8/toga-0.2.11-py3-none-any.whl#sha256=38facf7a68d12c0f25a14804a9960bb6f10e0eb5986c62391050d6b8ec5ec311 (from https://pypi.org/simple/toga/), version: 0.2.11
    Found link https://files.pythonhosted.org/packages/c3/ec/58e8b7da5573930b8a05d5f65cfb59e2c8ab80bf6e23a9376209838e707e/toga-0.2.11.tar.gz#sha256=7a54eeb737980a09e86004a2c509e7b78abb613af299be7c25e34b32c3aeffde (from https://pypi.org/simple/toga/), version: 0.2.11
    Found link https://files.pythonhosted.org/packages/56/43/495155a1085d302e34f2eb05f27f48fabebdf9cafbe17effbd07964b7e48/toga-0.2.12-py3-none-any.whl#sha256=78ab73df3471cfa76107aa13cf32329a5080940ed690b641977bb1dbe33aab61 (from https://pypi.org/simple/toga/), version: 0.2.12
    Found link https://files.pythonhosted.org/packages/58/ec/fdefead8b0057b6f45a056471e65faad3776758c017e66951a6eb1e84472/toga-0.2.12.tar.gz#sha256=afac1fbf327cb530d4fe35ff48fea36cb822ccb6d021f4134537c906a0f77bf5 (from https://pypi.org/simple/toga/), version: 0.2.12
    Found link https://files.pythonhosted.org/packages/49/5a/d8087ffed4c48c7bc91b91e62f79d32734f495e99854031c1def3ffe43fc/toga-0.2.13-py3-none-any.whl#sha256=84ebd0a05cb9fa4e8e839cde708833f5785ebd21ab8f24e6507a441e25abc047 (from https://pypi.org/simple/toga/), version: 0.2.13
    Found link https://files.pythonhosted.org/packages/d9/d3/612bad52280b4a2be49b5bc7998e4b05d9549be7c262cca1bdfdd36317c5/toga-0.2.13.tar.gz#sha256=5e852ef9bbacd3c08b7755d4d2966d69d6c8d5273f8a497533e9e421119b96f4 (from https://pypi.org/simple/toga/), version: 0.2.13
    Found link https://files.pythonhosted.org/packages/a9/dc/f9fbb8ca16f6066bb1d297ca7aa0c8f313b4f980d636fd673db67129043f/toga-0.2.14-py3-none-any.whl#sha256=34c71cc72236da814fcc15e974a863eb78703c9e3302d71ce17f5741e538ed6c (from https://pypi.org/simple/toga/), version: 0.2.14
    Found link https://files.pythonhosted.org/packages/94/9b/29753da1a184a071a106f72e2a9c1d3a8408932e78d03f2ce30e4acd18b1/toga-0.2.14.tar.gz#sha256=2ff4526ff5fe1d861c795b888226a86a524f8ccadc232d5dc7c76e4854a0036a (from https://pypi.org/simple/toga/), version: 0.2.14
    Found link https://files.pythonhosted.org/packages/b6/d3/655e023785ccfdb62c7f13173112b2e5ae5b507bf595852d0333ca8cd9fd/toga-0.2.15-py3-none-any.whl#sha256=8cd2b2a084998ea28b96a34315a86abdbe596958acfe721f8fe1520645060620 (from https://pypi.org/simple/toga/), version: 0.2.15
    Found link https://files.pythonhosted.org/packages/b6/2f/1ed6dcf88bf0b6d211bfdc05690d86600bf18cfc05ec87ef09237bd3795a/toga-0.2.15.tar.gz#sha256=e96ca2ccb1322ee22fdc93ae3d1614f14b1148dcdd7fbca28a36f097ed1b3dfa (from https://pypi.org/simple/toga/), version: 0.2.15
    Found link https://files.pythonhosted.org/packages/eb/ef/ea806c706d3dc90d4bc8c412c0ad3515fd018074f5fdd4bd020bdd4c0c80/toga-0.3.0.dev1-py3-none-any.whl#sha256=8553bf332d8fbf39b500745ed9c4044a846fbba68e31de70e6fe83fdffcb0a9e (from https://pypi.org/simple/toga/), version: 0.3.0.dev1
    Found link https://files.pythonhosted.org/packages/4f/71/c55c15950f7275e761fe53fb0dc83fe4f5fba6199d7b8fb05d741dd33566/toga-0.3.0.dev1.tar.gz#sha256=4e5c77056792168a4e84c84bb7214dfb614b79f289dcbe1525be614483496439 (from https://pypi.org/simple/toga/), version: 0.3.0.dev1
    Found link https://files.pythonhosted.org/packages/3a/68/d1f6feb2ded26b9f6c36cd2a826e895e0fa6bba5fe489ec30b9f3bc1dbea/toga-0.3.0.dev2-py3-none-any.whl#sha256=6e0a2f800a351bbe8639802954d8d283a52b8cdde378541610ff2bfb3b24ad2f (from https://pypi.org/simple/toga/), version: 0.3.0.dev2
    Found link https://files.pythonhosted.org/packages/e3/6a/3264b3d48733cac7546fee02fbc516621574252f7d86546255532b095415/toga-0.3.0.dev2.tar.gz#sha256=630d2f932bf7aba3a143d3a332190a46a0a3895f509099a20f033caadf131b76 (from https://pypi.org/simple/toga/), version: 0.3.0.dev2
    Found link https://files.pythonhosted.org/packages/5d/5c/3e59e5bff0c87346b2891e699841f98c0182102c85ed9ca5aff21a721ffa/toga-0.3.0.dev3-py3-none-any.whl#sha256=2c073e70e75388791aeb55cc1ad90ef23fb17096b1260792020ef86c49641bfe (from https://pypi.org/simple/toga/), version: 0.3.0.dev3
    Found link https://files.pythonhosted.org/packages/2c/c1/54e589c84b5581316d74c20d802f49c225998def4eb20f65e8cbf463a19a/toga-0.3.0.dev3.tar.gz#sha256=aba75095959aebcbb7b68a565510325974fa0e64cea97bfa6430552b99a748b4 (from https://pypi.org/simple/toga/), version: 0.3.0.dev3
    Found link https://files.pythonhosted.org/packages/ae/70/bf39a92e395d970cba0d161ac20bb0b41868b8d5859b1b3f18e9806a11e5/toga-0.3.0.dev4-py3-none-any.whl#sha256=34df30df0e46df9f1932e4f3c93b69d6d2ee9fd7ad061c1d1a28a72e5ea2b242 (from https://pypi.org/simple/toga/), version: 0.3.0.dev4
    Found link https://files.pythonhosted.org/packages/0d/d2/487e31505d277ff3f620eb78a99925f0d0c8fb710045b2171dd7e18fceb1/toga-0.3.0.dev4.tar.gz#sha256=80f26ca9a34667044d58c0bafd54ba41432247dc9c900d607a8b81222052d888 (from https://pypi.org/simple/toga/), version: 0.3.0.dev4
    Found link https://files.pythonhosted.org/packages/3f/34/965629c9a096a0d4d6d0f994fc2f3253929564c1804af4e837ba34abbe57/toga-0.3.0.dev5-py3-none-any.whl#sha256=1526b3d4d5b5824826544ae6e7fbf94415965e6009e57b158485fcb02a2481ab (from https://pypi.org/simple/toga/), version: 0.3.0.dev5
    Found link https://files.pythonhosted.org/packages/f7/5b/43b93413246cada9d8206430a133d44556956d94eade3d38de4dde5d0cb7/toga-0.3.0.dev5.tar.gz#sha256=5d6b7e6a0cf4810187c7cf817e2f305e4dc11b267b31cd9faa5da7a0c8add26c (from https://pypi.org/simple/toga/), version: 0.3.0.dev5
    Found link https://files.pythonhosted.org/packages/c2/7a/94f832cf82ce57055af2d815a2329b98ff5117de7fe73931d9dbf5cf542e/toga-0.3.0.dev6-py3-none-any.whl#sha256=02c1a2271cec7776809c33a27d48224d75163394d9b0cd46a9c28fa45e584fad (from https://pypi.org/simple/toga/), version: 0.3.0.dev6
    Found link https://files.pythonhosted.org/packages/f9/42/20ab19addc75e5161a8ea6337ca575c5118371116951a3eed96d30d37f8f/toga-0.3.0.dev6.tar.gz#sha256=daa78cb5812b594c9eb5a48a62e0ec138e8689309243fee858b81c306612bbe8 (from https://pypi.org/simple/toga/), version: 0.3.0.dev6
    Found link https://files.pythonhosted.org/packages/c7/49/2d30ddb0b9d319f7170f1e0d2cc9a87d247922cb184f8c839a8c3e76199b/toga-0.3.0.dev7-py3-none-any.whl#sha256=1aac015f89db9766daa6901998146cdce88c56d3b0823bc2ef2cbaec989adbdf (from https://pypi.org/simple/toga/), version: 0.3.0.dev7
    Found link https://files.pythonhosted.org/packages/ca/74/3b8d756bb72584d46ebcf51f6bec368c262b9905168ab53285202571e790/toga-0.3.0.dev7.tar.gz#sha256=26a6c321d5423fb9468de3d19646a02d13f8f6c55d5ad275c3a2798180bb3c69 (from https://pypi.org/simple/toga/), version: 0.3.0.dev7
    Found link https://files.pythonhosted.org/packages/e5/58/0ba5c784dca91273ce8925d3e2b19b04c8d484be4160c68554d0d9cb8591/toga-0.3.0.dev8-py3-none-any.whl#sha256=9fcde5e120556a233d8d53b0594eaa68c5b88f5cd569ce2771d7fafa132ab50b (from https://pypi.org/simple/toga/), version: 0.3.0.dev8
    Found link https://files.pythonhosted.org/packages/e9/34/1138b884d83ad3abc76c5b308a19d28e59e3cab8ef56ed0112a779a49202/toga-0.3.0.dev8.tar.gz#sha256=7dbdbb96c3912d366e52fc5c51c418a14d84bfd0b9b12cd7094f3a1a942a40d7 (from https://pypi.org/simple/toga/), version: 0.3.0.dev8
    Found link https://files.pythonhosted.org/packages/d9/7e/8dbbc6c9231ee456a37b6ae814755c7a58101fd5e90056822ea9306f50dd/toga-0.3.0.dev9-py3-none-any.whl#sha256=a9a8a546c077da1a085e0bb19cc28b1711c107b95b29e22978a36b6177c22ddd (from https://pypi.org/simple/toga/), version: 0.3.0.dev9
    Found link https://files.pythonhosted.org/packages/c0/6b/a3ef1111bf1b841df9430c985a2c939ad491316c96af2369fc0863c3d859/toga-0.3.0.dev9.tar.gz#sha256=5f8212d8b74da20187761cf92c597f398045bc5fbe7f9c647ee27c54a0d45c00 (from https://pypi.org/simple/toga/), version: 0.3.0.dev9
    Found link https://files.pythonhosted.org/packages/80/20/09420eea15b8cec7447eaa64826ae5c62718d1ddf6991563c8e11faf093f/toga-0.3.0.dev10-py3-none-any.whl#sha256=3d939d32596aded292c9e66d5e16c64ad9b8f38f1286d1347968cdaf91a2c1a7 (from https://pypi.org/simple/toga/), version: 0.3.0.dev10
    Found link https://files.pythonhosted.org/packages/b0/d7/afb7487a2a6ff24c330f9e9bdeaa9fb680d938e94ef9f75c4f057945de77/toga-0.3.0.dev10.tar.gz#sha256=92726c51930e61f40c9ef3d4b1556acedde5d27f22412605f43da71bab4f75e7 (from https://pypi.org/simple/toga/), version: 0.3.0.dev10
  Using version 0.3.0.dev10 (newest of versions: 0.3.0.dev10)
  Created temporary directory: /tmp/pip-unpack-xhb17g_5
  Downloading https://files.pythonhosted.org/packages/80/20/09420eea15b8cec7447eaa64826ae5c62718d1ddf6991563c8e11faf093f/toga-0.3.0.dev10-py3-none-any.whl
  Downloading from URL https://files.pythonhosted.org/packages/80/20/09420eea15b8cec7447eaa64826ae5c62718d1ddf6991563c8e11faf093f/toga-0.3.0.dev10-py3-none-any.whl#sha256=3d939d32596aded292c9e66d5e16c64ad9b8f38f1286d1347968cdaf91a2c1a7 (from https://pypi.org/simple/toga/)
  Saved /tmp/tmp4z60xouf/toga-0.3.0.dev10-py3-none-any.whl
  Added toga==0.3.0.dev10 from https://files.pythonhosted.org/packages/80/20/09420eea15b8cec7447eaa64826ae5c62718d1ddf6991563c8e11faf093f/toga-0.3.0.dev10-py3-none-any.whl#sha256=3d939d32596aded292c9e66d5e16c64ad9b8f38f1286d1347968cdaf91a2c1a7 to build tracker '/tmp/pip-req-tracker-g0l3fbsv'
  Removed toga==0.3.0.dev10 from https://files.pythonhosted.org/packages/80/20/09420eea15b8cec7447eaa64826ae5c62718d1ddf6991563c8e11faf093f/toga-0.3.0.dev10-py3-none-any.whl#sha256=3d939d32596aded292c9e66d5e16c64ad9b8f38f1286d1347968cdaf91a2c1a7 from build tracker '/tmp/pip-req-tracker-g0l3fbsv'
Skipping toga, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-3a_z3e2e/toga
Removed build tracker '/tmp/pip-req-tracker-g0l3fbsv'