Created temporary directory: /tmp/pip-ephem-wheel-cache-q61p0xrz
Created temporary directory: /tmp/pip-req-tracker-hqlndmp3
Created requirements tracker '/tmp/pip-req-tracker-hqlndmp3'
Created temporary directory: /tmp/pip-wheel-wh0rzy2l
Collecting mallard-ducktype==1.0.2
  1 location(s) to search for versions of mallard-ducktype:
  * https://pypi.org/simple/mallard-ducktype/
  Getting page https://pypi.org/simple/mallard-ducktype/
  Analyzing links from page https://pypi.org/simple/mallard-ducktype/
    Found link https://files.pythonhosted.org/packages/0b/52/5e8415189236ec7a08396675d7a5ce31245f3c15e76e15c0cf5023e870b3/mallard-ducktype-0.1.tar.gz#sha256=c18241ce5119b7eac5fdeeaa4de53748ab1024483d4732fe6ef3ffb09e2f4826 (from https://pypi.org/simple/mallard-ducktype/), version: 0.1
    Found link https://files.pythonhosted.org/packages/cd/bd/bb61e6e1282cf21cea45cca8963229031cdceccaf8070adb563ff287dd00/mallard-ducktype-0.2.linux-x86_64.tar.gz#sha256=923c30da29e5472b1da22596499e18da7d81a837de8f69750570dfaf28fd49a5 (from https://pypi.org/simple/mallard-ducktype/), version: 0.2.linux-x86_64
    Found link https://files.pythonhosted.org/packages/52/58/6d4f046ed702fe99a40eb2e8939c5322b0196a1babf62cf50e7aa0772d4d/mallard-ducktype-0.2.tar.gz#sha256=652c8bfb6fa73142875f214e2a185faec6dc00b12fa70f1aca73245605a65cc9 (from https://pypi.org/simple/mallard-ducktype/), version: 0.2
    Found link https://files.pythonhosted.org/packages/cb/c2/2f64143b0a9b2e324b997b15210895b4d7447bacdeee1f90693c1d3c3f2f/mallard-ducktype-0.3.linux-x86_64.tar.gz#sha256=14b42b44ed7c123f63fe1ce9f29a36e30cfa38c0197016de6b91e0f0bd6eecab (from https://pypi.org/simple/mallard-ducktype/), version: 0.3.linux-x86_64
    Found link https://files.pythonhosted.org/packages/67/9c/59eb0273285425036e7c22f5f016cb4bebeb6970410fc6c6475bf7437e1b/mallard-ducktype-0.3.tar.gz#sha256=03c2e0d0a9cebe8c750e4daec3adec3331bd6474942fe735435f6692263d082f (from https://pypi.org/simple/mallard-ducktype/), version: 0.3
    Found link https://files.pythonhosted.org/packages/f1/51/0262a7817e7cfc076eb087041947ccfa7df7a03e3374a50f806ac0c6f4e1/mallard-ducktype-0.4.linux-x86_64.tar.gz#sha256=2e4c5f6b4b05d85f9b0dad2ea98f34d2c50b25d2473c5085fb6f54b8c3106eea (from https://pypi.org/simple/mallard-ducktype/), version: 0.4.linux-x86_64
    Found link https://files.pythonhosted.org/packages/d8/79/381c9ccc04d3eed536906d566d2de713ea68302205aab6353e35c7e03407/mallard_ducktype-0.4-py3-none-any.whl#sha256=2190bea59c04c2a589c7749cf6f42500ee989a6bb5f90ac85ca5dd9ecdf9ae81 (from https://pypi.org/simple/mallard-ducktype/), version: 0.4
    Found link https://files.pythonhosted.org/packages/64/63/c560a582e2450c5c0ac4a969063e3d3123cb990473bc751509eca69fdb9b/mallard-ducktype-1.0.linux-x86_64.tar.gz#sha256=1baf2311e73a1154fe344c14a36bef9f1100a397ab1fc6e6aa09ab50091fadcb (from https://pypi.org/simple/mallard-ducktype/), version: 1.0.linux-x86_64
    Found link https://files.pythonhosted.org/packages/a9/c7/1480c7a2bb06ddeb3834f02bc5425b044569debe10b1306e13ba6888f9b0/mallard-ducktype-1.0.tar.gz#sha256=3d354390b6e1ef5ff12a6bd20616ba883e7e7df1895c551e6f368dfba18d795a (from https://pypi.org/simple/mallard-ducktype/), version: 1.0
    Found link https://files.pythonhosted.org/packages/0f/fe/12b3b8a2ee6bed824ab42060be8686b48c92208da9abbd13b2cddc4355ce/mallard_ducktype-1.0-py3-none-any.whl#sha256=fd812182ea26c24317e747197d9710e42c78e1a027f9a0768c3d958f03ac1a9f (from https://pypi.org/simple/mallard-ducktype/), version: 1.0
    Skipping link https://files.pythonhosted.org/packages/c0/59/80bbe24c39bda7386d3920b75feff0ac3d7420c337e86f55def4bc5cdea5/mallard_ducktype-1.0-py3.6.egg#sha256=74dfefbd9b2aa78a8931f0055f7ab919af66083c31fd12c44807af81cd7e0596 (from https://pypi.org/simple/mallard-ducktype/); unsupported archive format: .egg
    Found link https://files.pythonhosted.org/packages/a8/2d/42b4508ac3f2ae2a37af197ba87fd257a2b309d2369437c021cd1fc1a7c3/mallard-ducktype-1.0.1.linux-x86_64.tar.gz#sha256=29b1ce4e4753b4a47b4a2bffe19dfd9e211edd6b7e8f3337590cd47f1592b212 (from https://pypi.org/simple/mallard-ducktype/), version: 1.0.1.linux-x86_64
    Found link https://files.pythonhosted.org/packages/79/fe/d75bb9123dc03adcf18936e68592e68a5de6c285b0c90c0709471b170a1a/mallard_ducktype-1.0.1-py3-none-any.whl#sha256=b7341646ab8a13aa13f12af10c6132782f1ca1c3a13aa58c0d1d26229db73c64 (from https://pypi.org/simple/mallard-ducktype/), version: 1.0.1
    Skipping link https://files.pythonhosted.org/packages/93/44/b98edeeb2da48afc907988837f9c6c2ba0c4486fa4c20646c5036f77cea5/mallard_ducktype-1.0.1-py3.6.egg#sha256=de358448292cddce251ec3b79c4e1c06ac8ac12714d9c14b0c920d3f72a8f335 (from https://pypi.org/simple/mallard-ducktype/); unsupported archive format: .egg
    Found link https://files.pythonhosted.org/packages/e7/be/eb836a8f3cd203584cac7714e43bf7acc5d90bed01227adcd1f00a3905ec/mallard-ducktype-1.0.2.tar.gz#sha256=8e15319974460ed267729488b85ec00f7e97d89289721169483a2aacb144bdf7 (from https://pypi.org/simple/mallard-ducktype/), version: 1.0.2
    Found link https://files.pythonhosted.org/packages/45/f6/ef0fb906d2960567449bcea4eb5853d88e0cc2c05d006e6beb3f0ad353ac/mallard_ducktype-1.0.2-py3-none-any.whl#sha256=90c2d9e40934c634f3e83e0758285e2803f62c2c5db405702af2f5884e1a2918 (from https://pypi.org/simple/mallard-ducktype/), version: 1.0.2
    Skipping link https://files.pythonhosted.org/packages/b4/56/6dc176918af81cba20dc0be0111f549f96e9e62c35f12c2bde5429482d33/mallard_ducktype-1.0.2-py3.7.egg#sha256=74e4b29ca4ce6963f5d72a8e271a9dfb775aa1a3e90f1d0ca12e45a1e3e20eaf (from https://pypi.org/simple/mallard-ducktype/); unsupported archive format: .egg
  Using version 1.0.2 (newest of versions: 1.0.2)
  Created temporary directory: /tmp/pip-unpack-6rxxur6v
  Downloading https://files.pythonhosted.org/packages/45/f6/ef0fb906d2960567449bcea4eb5853d88e0cc2c05d006e6beb3f0ad353ac/mallard_ducktype-1.0.2-py3-none-any.whl (93kB)
  Downloading from URL https://files.pythonhosted.org/packages/45/f6/ef0fb906d2960567449bcea4eb5853d88e0cc2c05d006e6beb3f0ad353ac/mallard_ducktype-1.0.2-py3-none-any.whl#sha256=90c2d9e40934c634f3e83e0758285e2803f62c2c5db405702af2f5884e1a2918 (from https://pypi.org/simple/mallard-ducktype/)
  Saved /tmp/tmp6_g_2qm5/mallard_ducktype-1.0.2-py3-none-any.whl
  Added mallard-ducktype==1.0.2 from https://files.pythonhosted.org/packages/45/f6/ef0fb906d2960567449bcea4eb5853d88e0cc2c05d006e6beb3f0ad353ac/mallard_ducktype-1.0.2-py3-none-any.whl#sha256=90c2d9e40934c634f3e83e0758285e2803f62c2c5db405702af2f5884e1a2918 to build tracker '/tmp/pip-req-tracker-hqlndmp3'
  Removed mallard-ducktype==1.0.2 from https://files.pythonhosted.org/packages/45/f6/ef0fb906d2960567449bcea4eb5853d88e0cc2c05d006e6beb3f0ad353ac/mallard_ducktype-1.0.2-py3-none-any.whl#sha256=90c2d9e40934c634f3e83e0758285e2803f62c2c5db405702af2f5884e1a2918 from build tracker '/tmp/pip-req-tracker-hqlndmp3'
Skipping mallard-ducktype, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-wh0rzy2l/mallard-ducktype
Removed build tracker '/tmp/pip-req-tracker-hqlndmp3'