GLFW shutdown error

gistfile1.txt

#2  0x0000000100b713e0 in extfn::error_callback::_828c31b6dba8a9f8::v0.1 ()
#3  0x0000000100b79f87 in _glfwInputError ()
#4  0x0000000100b7d626 in glfwGetWindowUserPointer ()
#5  0x0000000100b730f9 in drop () at lib.rs:1099
#6  0x000000010003ba0d in platform..common..glfw_windowing..Window::glue_drop_16048::_9fd078dbe3b4f835 () at compositor_layer.rs:88
#7  0x00000001000f0256 in run [inlined] () at /Users/lbergstrom/servo/src/components/main/compositing/mod.rs:218
#8  0x00000001000f0256 in run [inlined] () at /Users/lbergstrom/servo/src/components/main/compositing/mod.rs:218
#9  0x00000001000f0256 in drop_local_window [inlined] () at /Users/lbergstrom/servo/src/components/main/platform/common/glfw_windowing.rs:279
#10 0x00000001000f0256 in drop_local_window () at mod.rs:279
#11 0x0000000100039884 in run () at glfw_windowing.rs:43
#12 0x00000001000f6669 in run::_5621b0e3cd167745::v0.1 () at servo.rc:169
#13 0x00000001000f581e in fn_33641 () at servo.rc:124
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