$ QT_DEBUG_PLUGINS=1 maestral_qt
QFactoryLoader::QFactoryLoader() checking directory path "/nix/store/bs03sg8b0gq2zr4v252hh9psp780qj5q-python3-3.8.5/lib/qt-5.15.0/plugins/platforms" ...
QFactoryLoader::QFactoryLoader() checking directory path "/nix/store/4vdyqzhfcs5zyf4gxh2k13wk5bdc2f5z-maestral-qt-1.1.0/lib/qt-5.15.0/plugins/platforms" ...
QFactoryLoader::QFactoryLoader() checking directory path "/nix/store/iwpbnf39fhwx8blysa9q9hc4v09yxmq3-python3.8-nose-1.3.7/lib/qt-5.15.0/plugins/platforms" ...
QFactoryLoader::QFactoryLoader() checking directory path "/nix/store/ayzm6ir9icrdl05azpwxlhcv4gxwqzsj-python3.8-coverage-5.2.1/lib/qt-5.15.0/plugins/platforms" ...
QFactoryLoader::QFactoryLoader() checking directory path "/nix/store/s78f5giv8m77njsxig420s6568jsnfxl-python3.8-pytest-5.4.3/lib/qt-5.15.0/plugins/platforms" ...
QFactoryLoader::QFactoryLoader() checking directory path "/nix/store/8wf8ivlli0j1wnnwbc4ymnbfqwyqyjyr-python3.8-setuptools-47.3.1/lib/qt-5.15.0/plugins/platforms" ...
QFactoryLoader::QFactoryLoader() checking directory path "/nix/store/v9547fjhl16rfj4yqdd3bnx60kwqgkgd-python3.8-markdown2-2.3.6/lib/qt-5.15.0/plugins/platforms" ...
QFactoryLoader::QFactoryLoader() checking directory path "/nix/store/lkwkbaqgglbcz5pck62jg6b0x7vf4wb6-python3.8-maestral-1.1.0/lib/qt-5.15.0/plugins/platforms" ...
QFactoryLoader::QFactoryLoader() checking directory path "/nix/store/b89babrahxcn4r320viqhjvp07sa339l-python3.8-chardet-3.0.4/lib/qt-5.15.0/plugins/platforms" ...
QFactoryLoader::QFactoryLoader() checking directory path "/nix/store/yzavpirck4ayab5saarixnh4gh0s57br-python3.8-pbr-5.4.5/lib/qt-5.15.0/plugins/platforms" ...
QFactoryLoader::QFactoryLoader() checking directory path "/nix/store/bsy3zvvwc1ikx7v66l461hnqqikz03ng-python3.8-keyring-21.3.1/lib/qt-5.15.0/plugins/platforms" ...
QFactoryLoader::QFactoryLoader() checking directory path "/nix/store/5i40ai0xiq0w30sy6hsl09xm6zgr9vwi-python3.8-Pyro5-5.11/lib/qt-5.15.0/plugins/platforms" ...
QFactoryLoader::QFactoryLoader() checking directory path "/nix/store/kzyg18c3j7kjbi3sbshd957m710djfg3-python3.8-watchdog-0.10.3/lib/qt-5.15.0/plugins/platforms" ...
QFactoryLoader::QFactoryLoader() checking directory path "/nix/store/cjpazii6x2fz9a0j723r6s1qcj1vr90q-python3.8-PyQt5.sip-4.19.22/lib/qt-5.15.0/plugins/platforms" ...
QFactoryLoader::QFactoryLoader() checking directory path "/nix/store/rlck717m6zaq6pj546146ngcg6k6d762-qtdeclarative-5.15.0-bin/lib/qt-5.15.0/plugins/platforms" ...
QFactoryLoader::QFactoryLoader() checking directory path "/nix/store/bzqj563g50wws2f4jg8aspjpqvqrwd2a-python3.8-PyQt5-5.14.2/lib/qt-5.15.0/plugins/platforms" ...
QFactoryLoader::QFactoryLoader() checking directory path "/home/frijters/lib/qt-5.15.0/plugins/platforms" ...
QFactoryLoader::QFactoryLoader() checking directory path "/nix/store/f5b1y8x3rh62y6yw7zal8z8l4cv2by8n-terminator-1.92/lib/qt-5.15.0/plugins/platforms" ...
QFactoryLoader::QFactoryLoader() checking directory path "/nix/store/3y2wb1cpvf8nks9lkh612bm1l2d1qig9-cairo-1.16.0-dev/lib/qt-5.15.0/plugins/platforms" ...
QFactoryLoader::QFactoryLoader() checking directory path "/nix/store/3fz0y9fcpq53p5lk6l0qbfmqixp3finr-freetype-2.10.2-dev/lib/qt-5.15.0/plugins/platforms" ...
QFactoryLoader::QFactoryLoader() checking directory path "/nix/store/ba05xi32q6zjcn6niad1zs1adqylwcr7-bzip2-1.0.6.0.1-bin/lib/qt-5.15.0/plugins/platforms" ...
QFactoryLoader::QFactoryLoader() checking directory path "/nix/store/sp88r6xc325pmj19cbagk474d4k11bp7-libpng-apng-1.6.37-dev/lib/qt-5.15.0/plugins/platforms" ...
QFactoryLoader::QFactoryLoader() checking directory path "/nix/store/hlm1kmkigzf5qa3j113r8jm63nfqhdjd-fontconfig-2.13.92-bin/lib/qt-5.15.0/plugins/platforms" ...
QFactoryLoader::QFactoryLoader() checking directory path "/nix/store/a2f9frivgpxcbm1fkr6qhgxd0002k19a-expat-2.2.8-dev/lib/qt-5.15.0/plugins/platforms" ...
QFactoryLoader::QFactoryLoader() checking directory path "/nix/store/lw6mlp0vh41xfpawlkh8w84m7qfr430l-glib-2.64.5-dev/lib/qt-5.15.0/plugins/platforms" ...
QFactoryLoader::QFactoryLoader() checking directory path "/nix/store/ggngxyl69bjiqvr2nkpcw04523393lcx-gettext-0.21/lib/qt-5.15.0/plugins/platforms" ...
QFactoryLoader::QFactoryLoader() checking directory path "/nix/store/fdi21x5yfqvhf2jm7gvkbprsjb692r39-glib-2.64.5-bin/lib/qt-5.15.0/plugins/platforms" ...
QFactoryLoader::QFactoryLoader() checking directory path "/home/frijters/.nix-profile/lib/qt-5.15.0/plugins/platforms" ...
QFactoryLoader::QFactoryLoader() checking directory path "/run/wrappers/lib/qt-5.15.0/plugins/platforms" ...
QFactoryLoader::QFactoryLoader() checking directory path "/etc/profiles/per-user/frijters/lib/qt-5.15.0/plugins/platforms" ...
QFactoryLoader::QFactoryLoader() checking directory path "/nix/var/nix/profiles/default/lib/qt-5.15.0/plugins/platforms" ...
QFactoryLoader::QFactoryLoader() checking directory path "/run/current-system/sw/lib/qt-5.15.0/plugins/platforms" ...
QFactoryLoader::QFactoryLoader() checking directory path "/nix/store/wy7cj276rxhil4wkxmmlpgqvk5x8cdkh-qtwayland-5.14.2-bin/lib/qt-5.14.2/plugins/platforms" ...
QFactoryLoader::QFactoryLoader() looking at "/nix/store/wy7cj276rxhil4wkxmmlpgqvk5x8cdkh-qtwayland-5.14.2-bin/lib/qt-5.14.2/plugins/platforms/libqwayland-egl.so"
Found metadata in lib /nix/store/wy7cj276rxhil4wkxmmlpgqvk5x8cdkh-qtwayland-5.14.2-bin/lib/qt-5.14.2/plugins/platforms/libqwayland-egl.so, metadata=
{
    "IID": "org.qt-project.Qt.QPA.QPlatformIntegrationFactoryInterface.5.3",
    "MetaData": {
        "Keys": [
            "wayland-egl"
        ]
    },
    "archreq": 0,
    "className": "QWaylandEglPlatformIntegrationPlugin",
    "debug": false,
    "version": 331264
}


Got keys from plugin meta data ("wayland-egl")
QFactoryLoader::QFactoryLoader() looking at "/nix/store/wy7cj276rxhil4wkxmmlpgqvk5x8cdkh-qtwayland-5.14.2-bin/lib/qt-5.14.2/plugins/platforms/libqwayland-generic.so"
Found metadata in lib /nix/store/wy7cj276rxhil4wkxmmlpgqvk5x8cdkh-qtwayland-5.14.2-bin/lib/qt-5.14.2/plugins/platforms/libqwayland-generic.so, metadata=
{
    "IID": "org.qt-project.Qt.QPA.QPlatformIntegrationFactoryInterface.5.3",
    "MetaData": {
        "Keys": [
            "wayland"
        ]
    },
    "archreq": 0,
    "className": "QWaylandIntegrationPlugin",
    "debug": false,
    "version": 331264
}


Got keys from plugin meta data ("wayland")
QFactoryLoader::QFactoryLoader() looking at "/nix/store/wy7cj276rxhil4wkxmmlpgqvk5x8cdkh-qtwayland-5.14.2-bin/lib/qt-5.14.2/plugins/platforms/libqwayland-xcomposite-egl.so"
Found metadata in lib /nix/store/wy7cj276rxhil4wkxmmlpgqvk5x8cdkh-qtwayland-5.14.2-bin/lib/qt-5.14.2/plugins/platforms/libqwayland-xcomposite-egl.so, metadata=
{
    "IID": "org.qt-project.Qt.QPA.QPlatformIntegrationFactoryInterface.5.3",
    "MetaData": {
        "Keys": [
            "wayland-xcomposite-egl"
        ]
    },
    "archreq": 0,
    "className": "QWaylandXCompositeEglPlatformIntegrationPlugin",
    "debug": false,
    "version": 331264
}


Got keys from plugin meta data ("wayland-xcomposite-egl")
QFactoryLoader::QFactoryLoader() looking at "/nix/store/wy7cj276rxhil4wkxmmlpgqvk5x8cdkh-qtwayland-5.14.2-bin/lib/qt-5.14.2/plugins/platforms/libqwayland-xcomposite-glx.so"
Found metadata in lib /nix/store/wy7cj276rxhil4wkxmmlpgqvk5x8cdkh-qtwayland-5.14.2-bin/lib/qt-5.14.2/plugins/platforms/libqwayland-xcomposite-glx.so, metadata=
{
    "IID": "org.qt-project.Qt.QPA.QPlatformIntegrationFactoryInterface.5.3",
    "MetaData": {
        "Keys": [
            "wayland-xcomposite-glx"
        ]
    },
    "archreq": 0,
    "className": "QWaylandXCompositeGlxPlatformIntegrationPlugin",
    "debug": false,
    "version": 331264
}


Got keys from plugin meta data ("wayland-xcomposite-glx")
QFactoryLoader::QFactoryLoader() checking directory path "/nix/store/hmaq5b8hj3hk7xdgknj2h58qknrbxb23-qtdeclarative-5.14.2-bin/lib/qt-5.14.2/plugins/platforms" ...
QFactoryLoader::QFactoryLoader() checking directory path "/nix/store/s7vbwk79awc5m0dpl13c8gyaik1l9h4q-qtsvg-5.14.2-bin/lib/qt-5.14.2/plugins/platforms" ...
QFactoryLoader::QFactoryLoader() checking directory path "/nix/store/gm1s9lnk2xkii2gj3qwddb93ss8gcg38-qtbase-5.14.2-bin/lib/qt-5.14.2/plugins/platforms" ...
QFactoryLoader::QFactoryLoader() looking at "/nix/store/gm1s9lnk2xkii2gj3qwddb93ss8gcg38-qtbase-5.14.2-bin/lib/qt-5.14.2/plugins/platforms/libqeglfs.so"
Found metadata in lib /nix/store/gm1s9lnk2xkii2gj3qwddb93ss8gcg38-qtbase-5.14.2-bin/lib/qt-5.14.2/plugins/platforms/libqeglfs.so, metadata=
{
    "IID": "org.qt-project.Qt.QPA.QPlatformIntegrationFactoryInterface.5.3",
    "MetaData": {
        "Keys": [
            "eglfs"
        ]
    },
    "archreq": 0,
    "className": "QEglFSIntegrationPlugin",
    "debug": false,
    "version": 331264
}


Got keys from plugin meta data ("eglfs")
QFactoryLoader::QFactoryLoader() looking at "/nix/store/gm1s9lnk2xkii2gj3qwddb93ss8gcg38-qtbase-5.14.2-bin/lib/qt-5.14.2/plugins/platforms/libqlinuxfb.so"
Found metadata in lib /nix/store/gm1s9lnk2xkii2gj3qwddb93ss8gcg38-qtbase-5.14.2-bin/lib/qt-5.14.2/plugins/platforms/libqlinuxfb.so, metadata=
{
    "IID": "org.qt-project.Qt.QPA.QPlatformIntegrationFactoryInterface.5.3",
    "MetaData": {
        "Keys": [
            "linuxfb"
        ]
    },
    "archreq": 0,
    "className": "QLinuxFbIntegrationPlugin",
    "debug": false,
    "version": 331264
}


Got keys from plugin meta data ("linuxfb")
QFactoryLoader::QFactoryLoader() looking at "/nix/store/gm1s9lnk2xkii2gj3qwddb93ss8gcg38-qtbase-5.14.2-bin/lib/qt-5.14.2/plugins/platforms/libqminimal.so"
Found metadata in lib /nix/store/gm1s9lnk2xkii2gj3qwddb93ss8gcg38-qtbase-5.14.2-bin/lib/qt-5.14.2/plugins/platforms/libqminimal.so, metadata=
{
    "IID": "org.qt-project.Qt.QPA.QPlatformIntegrationFactoryInterface.5.3",
    "MetaData": {
        "Keys": [
            "minimal"
        ]
    },
    "archreq": 0,
    "className": "QMinimalIntegrationPlugin",
    "debug": false,
    "version": 331264
}


Got keys from plugin meta data ("minimal")
QFactoryLoader::QFactoryLoader() looking at "/nix/store/gm1s9lnk2xkii2gj3qwddb93ss8gcg38-qtbase-5.14.2-bin/lib/qt-5.14.2/plugins/platforms/libqminimalegl.so"
Found metadata in lib /nix/store/gm1s9lnk2xkii2gj3qwddb93ss8gcg38-qtbase-5.14.2-bin/lib/qt-5.14.2/plugins/platforms/libqminimalegl.so, metadata=
{
    "IID": "org.qt-project.Qt.QPA.QPlatformIntegrationFactoryInterface.5.3",
    "MetaData": {
        "Keys": [
            "minimalegl"
        ]
    },
    "archreq": 0,
    "className": "QMinimalEglIntegrationPlugin",
    "debug": false,
    "version": 331264
}


Got keys from plugin meta data ("minimalegl")
QFactoryLoader::QFactoryLoader() looking at "/nix/store/gm1s9lnk2xkii2gj3qwddb93ss8gcg38-qtbase-5.14.2-bin/lib/qt-5.14.2/plugins/platforms/libqoffscreen.so"
Found metadata in lib /nix/store/gm1s9lnk2xkii2gj3qwddb93ss8gcg38-qtbase-5.14.2-bin/lib/qt-5.14.2/plugins/platforms/libqoffscreen.so, metadata=
{
    "IID": "org.qt-project.Qt.QPA.QPlatformIntegrationFactoryInterface.5.3",
    "MetaData": {
        "Keys": [
            "offscreen"
        ]
    },
    "archreq": 0,
    "className": "QOffscreenIntegrationPlugin",
    "debug": false,
    "version": 331264
}


Got keys from plugin meta data ("offscreen")
QFactoryLoader::QFactoryLoader() looking at "/nix/store/gm1s9lnk2xkii2gj3qwddb93ss8gcg38-qtbase-5.14.2-bin/lib/qt-5.14.2/plugins/platforms/libqvnc.so"
Found metadata in lib /nix/store/gm1s9lnk2xkii2gj3qwddb93ss8gcg38-qtbase-5.14.2-bin/lib/qt-5.14.2/plugins/platforms/libqvnc.so, metadata=
{
    "IID": "org.qt-project.Qt.QPA.QPlatformIntegrationFactoryInterface.5.3",
    "MetaData": {
        "Keys": [
            "vnc"
        ]
    },
    "archreq": 0,
    "className": "QVncIntegrationPlugin",
    "debug": false,
    "version": 331264
}


Got keys from plugin meta data ("vnc")
QFactoryLoader::QFactoryLoader() looking at "/nix/store/gm1s9lnk2xkii2gj3qwddb93ss8gcg38-qtbase-5.14.2-bin/lib/qt-5.14.2/plugins/platforms/libqxcb.so"
Found metadata in lib /nix/store/gm1s9lnk2xkii2gj3qwddb93ss8gcg38-qtbase-5.14.2-bin/lib/qt-5.14.2/plugins/platforms/libqxcb.so, metadata=
{
    "IID": "org.qt-project.Qt.QPA.QPlatformIntegrationFactoryInterface.5.3",
    "MetaData": {
        "Keys": [
            "xcb"
        ]
    },
    "archreq": 0,
    "className": "QXcbIntegrationPlugin",
    "debug": false,
    "version": 331264
}


Got keys from plugin meta data ("xcb")
QFactoryLoader::QFactoryLoader() checking directory path "/nix/store/bs03sg8b0gq2zr4v252hh9psp780qj5q-python3-3.8.5/bin/platforms" ...
Cannot load library /nix/store/gm1s9lnk2xkii2gj3qwddb93ss8gcg38-qtbase-5.14.2-bin/lib/qt-5.14.2/plugins/platforms/libqxcb.so: (/nix/store/gm1s9lnk2xkii2gj3qwddb93ss8gcg38-qtbase-5.14.2-bin/lib/qt-5.14.2/plugins/platforms/../../../../../p0xr68q9fiixq7jnbd7vc2xyilckiz5s-qtbase-5.14.2/lib/libQt5XcbQpa.so.5: undefined symbol: _ZN22QWindowSystemInterface16handleMouseEventINS_15DefaultDeliveryEEEvP7QWindowmRK7QPointFS6_6QFlagsIN2Qt11MouseButtonEES9_N6QEvent4TypeES7_INS8_16KeyboardModifierEENS8_16MouseEventSourceE, version Qt_5_PRIVATE_API)
QLibraryPrivate::loadPlugin failed on "/nix/store/gm1s9lnk2xkii2gj3qwddb93ss8gcg38-qtbase-5.14.2-bin/lib/qt-5.14.2/plugins/platforms/libqxcb.so" : "Cannot load library /nix/store/gm1s9lnk2xkii2gj3qwddb93ss8gcg38-qtbase-5.14.2-bin/lib/qt-5.14.2/plugins/platforms/libqxcb.so: (/nix/store/gm1s9lnk2xkii2gj3qwddb93ss8gcg38-qtbase-5.14.2-bin/lib/qt-5.14.2/plugins/platforms/../../../../../p0xr68q9fiixq7jnbd7vc2xyilckiz5s-qtbase-5.14.2/lib/libQt5XcbQpa.so.5: undefined symbol: _ZN22QWindowSystemInterface16handleMouseEventINS_15DefaultDeliveryEEEvP7QWindowmRK7QPointFS6_6QFlagsIN2Qt11MouseButtonEES9_N6QEvent4TypeES7_INS8_16KeyboardModifierEENS8_16MouseEventSourceE, version Qt_5_PRIVATE_API)"
qt.qpa.plugin: Could not load the Qt platform plugin "xcb" in "" even though it was found.
This application failed to start because no Qt platform plugin could be initialized. Reinstalling the application may fix this problem.

Available platform plugins are: wayland-egl, wayland, wayland-xcomposite-egl, wayland-xcomposite-glx, eglfs, linuxfb, minimal, minimalegl, offscreen, vnc, xcb.

Aborted (core dumped)

 - system: `"x86_64-linux"`
 - host os: `Linux 5.8.9, NixOS, 21.03.20200915.9232ca2 (Okapi)`
 - multi-user?: `yes`
 - sandbox: `yes`
 - version: `nix-env (Nix) 3.0pre20200829_f156513`
 - channels(frijters): `"nixos-unstable-20.09pre223023.fce7562cf46"`
 - channels(root): `"nixos, nixos-unstable-20.09pre225264.683c68232e9"`
 - nixpkgs: `/nix/var/nix/profiles/per-user/root/channels/nixos`