strace ./AppRun -p ~/Documents/MuseScoreDevelopment/Plugins/helloqml/helloqml.qml 
execve("./AppRun", ["./AppRun", "-p", "/home/e/Documents/MuseScoreDevel"...], [/* 44 vars */]) = 0
brk(NULL)                               = 0xa5e000
access("/etc/ld.so.preload", R_OK)      = -1 ENOENT (No such file or directory)
open("/home/e/GNUstep/Library/Libraries/tls/x86_64/libreadline.so.6", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/home/e/GNUstep/Library/Libraries/tls/x86_64", 0x7ffc8cc14ce0) = -1 ENOENT (No such file or directory)
open("/home/e/GNUstep/Library/Libraries/tls/libreadline.so.6", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/home/e/GNUstep/Library/Libraries/tls", 0x7ffc8cc14ce0) = -1 ENOENT (No such file or directory)
open("/home/e/GNUstep/Library/Libraries/x86_64/libreadline.so.6", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/home/e/GNUstep/Library/Libraries/x86_64", 0x7ffc8cc14ce0) = -1 ENOENT (No such file or directory)
open("/home/e/GNUstep/Library/Libraries/libreadline.so.6", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/home/e/GNUstep/Library/Libraries", 0x7ffc8cc14ce0) = -1 ENOENT (No such file or directory)
open("/usr/lib/tls/x86_64/libreadline.so.6", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/usr/lib/tls/x86_64", 0x7ffc8cc14ce0) = -1 ENOENT (No such file or directory)
open("/usr/lib/tls/libreadline.so.6", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/usr/lib/tls", 0x7ffc8cc14ce0)    = -1 ENOENT (No such file or directory)
open("/usr/lib/x86_64/libreadline.so.6", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/usr/lib/x86_64", 0x7ffc8cc14ce0) = -1 ENOENT (No such file or directory)
open("/usr/lib/libreadline.so.6", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\260e\1\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0555, st_size=345576, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ffae3afb000
mmap(NULL, 2397440, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7ffae368f000
mprotect(0x7ffae36d0000, 2093056, PROT_NONE) = 0
mmap(0x7ffae38cf000, 32768, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x40000) = 0x7ffae38cf000
mmap(0x7ffae38d7000, 5376, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7ffae38d7000
close(3)                                = 0
open("/usr/lib/libncursesw.so.6", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\260u\1\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0755, st_size=444680, ...}) = 0
mmap(NULL, 2542224, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7ffae3422000
mprotect(0x7ffae3489000, 2097152, PROT_NONE) = 0
mmap(0x7ffae3689000, 24576, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x67000) = 0x7ffae3689000
close(3)                                = 0
open("/usr/lib/libdl.so.2", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\240\r\0\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0755, st_size=14600, ...}) = 0
mmap(NULL, 2109680, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7ffae321e000
mprotect(0x7ffae3220000, 2097152, PROT_NONE) = 0
mmap(0x7ffae3420000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x2000) = 0x7ffae3420000
close(3)                                = 0
open("/usr/lib/libc.so.6", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\3\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0000\10\2\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0755, st_size=1960896, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ffae3afa000
mmap(NULL, 3803536, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7ffae2e7d000
mprotect(0x7ffae3015000, 2093056, PROT_NONE) = 0
mmap(0x7ffae3214000, 24576, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x197000) = 0x7ffae3214000
mmap(0x7ffae321a000, 14736, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7ffae321a000
close(3)                                = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ffae3af9000
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ffae3af8000
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ffae3af7000
arch_prctl(ARCH_SET_FS, 0x7ffae3af8700) = 0
mprotect(0x7ffae3214000, 16384, PROT_READ) = 0
mprotect(0x7ffae3420000, 4096, PROT_READ) = 0
mprotect(0x7ffae3689000, 16384, PROT_READ) = 0
mprotect(0x7ffae38cf000, 8192, PROT_READ) = 0
mprotect(0x6bc000, 4096, PROT_READ)     = 0
mprotect(0x7ffae3afc000, 4096, PROT_READ) = 0
open("/dev/tty", O_RDWR|O_NONBLOCK)     = 3
close(3)                                = 0
open("/usr/lib/locale/locale-archive", O_RDONLY|O_CLOEXEC) = 3
fstat(3, {st_mode=S_IFREG|0644, st_size=1966064, ...}) = 0
mmap(NULL, 1966064, PROT_READ, MAP_PRIVATE, 3, 0) = 0x7ffae3917000
close(3)                                = 0
brk(NULL)                               = 0xa5e000
brk(0xa7f000)                           = 0xa7f000
getuid()                                = 1000
getgid()                                = 100
geteuid()                               = 1000
getegid()                               = 100
rt_sigprocmask(SIG_BLOCK, NULL, [], 8)  = 0
sysinfo({uptime=16216, loads=[224, 5664, 9760], totalram=8366198784, freeram=5279285248, sharedram=31174656, bufferram=89681920, totalswap=0, freeswap=0, procs=295, totalhigh=0, freehigh=0, mem_unit=1}) = 0
rt_sigaction(SIGCHLD, {SIG_DFL, [], SA_RESTORER|SA_RESTART, 0x7ffae2eb0330}, {SIG_DFL, [], 0}, 8) = 0
rt_sigaction(SIGCHLD, {SIG_DFL, [], SA_RESTORER|SA_RESTART, 0x7ffae2eb0330}, {SIG_DFL, [], SA_RESTORER|SA_RESTART, 0x7ffae2eb0330}, 8) = 0
rt_sigaction(SIGINT, {SIG_DFL, [], SA_RESTORER, 0x7ffae2eb0330}, {SIG_DFL, [], 0}, 8) = 0
rt_sigaction(SIGINT, {SIG_DFL, [], SA_RESTORER, 0x7ffae2eb0330}, {SIG_DFL, [], SA_RESTORER, 0x7ffae2eb0330}, 8) = 0
rt_sigaction(SIGQUIT, {SIG_DFL, [], SA_RESTORER, 0x7ffae2eb0330}, {SIG_DFL, [], 0}, 8) = 0
rt_sigaction(SIGQUIT, {SIG_DFL, [], SA_RESTORER, 0x7ffae2eb0330}, {SIG_DFL, [], SA_RESTORER, 0x7ffae2eb0330}, 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8)  = 0
rt_sigaction(SIGQUIT, {SIG_IGN, [], SA_RESTORER, 0x7ffae2eb0330}, {SIG_DFL, [], SA_RESTORER, 0x7ffae2eb0330}, 8) = 0
uname({sysname="Linux", nodename="m4500", ...}) = 0
stat("/home/e/MuseScore/build.debug/MuseScore-.AppDir", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0
stat(".", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0
getpid()                                = 8296
getppid()                               = 8294
getpgrp()                               = 8294
rt_sigaction(SIGCHLD, {0x43f8b0, [], SA_RESTORER|SA_RESTART, 0x7ffae2eb0330}, {SIG_DFL, [], SA_RESTORER|SA_RESTART, 0x7ffae2eb0330}, 8) = 0
getrlimit(RLIMIT_NPROC, {rlim_cur=31893, rlim_max=31893}) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8)  = 0
open("./AppRun", O_RDONLY)              = 3
ioctl(3, TCGETS, 0x7ffc8cc15390)        = -1 ENOTTY (Inappropriate ioctl for device)
lseek(3, 0, SEEK_CUR)                   = 0
read(3, "#!/bin/bash\n\n# TODO: rewrite thi"..., 80) = 80
lseek(3, 0, SEEK_SET)                   = 0
getrlimit(RLIMIT_NOFILE, {rlim_cur=1024, rlim_max=4*1024}) = 0
fcntl(255, F_GETFD)                     = -1 EBADF (Bad file descriptor)
dup2(3, 255)                            = 255
close(3)                                = 0
fcntl(255, F_SETFD, FD_CLOEXEC)         = 0
fcntl(255, F_GETFL)                     = 0x8000 (flags O_RDONLY|O_LARGEFILE)
fstat(255, {st_mode=S_IFREG|0744, st_size=731, ...}) = 0
lseek(255, 0, SEEK_CUR)                 = 0
read(255, "#!/bin/bash\n\n# TODO: rewrite thi"..., 731) = 731
open("/usr/lib/gconv/gconv-modules.cache", O_RDONLY) = -1 ENOENT (No such file or directory)
open("/usr/lib/gconv/gconv-modules", O_RDONLY|O_CLOEXEC) = 3
fstat(3, {st_mode=S_IFREG|0644, st_size=56095, ...}) = 0
read(3, "# GNU libc iconv configuration.\n"..., 4096) = 4096
read(3, "1002//\tJUS_I.B1.002//\nmodule\tJUS"..., 4096) = 4096
read(3, "ISO-IR-110//\t\tISO-8859-4//\nalias"..., 4096) = 4096
read(3, "\t\tISO-8859-14//\nalias\tISO_8859-1"..., 4096) = 4096
read(3, "IC-ES//\nalias\tEBCDICES//\t\tEBCDIC"..., 4096) = 4096
read(3, "DIC-CP-ES//\t\tIBM284//\nalias\tCSIB"..., 4096) = 4096
read(3, "//\nalias\tCSIBM864//\t\tIBM864//\nal"..., 4096) = 4096
read(3, "BM939//\nmodule\tIBM939//\t\tINTERNA"..., 4096) = 4096
read(3, "EUC-CN//\nalias\tCN-GB//\t\t\tEUC-CN/"..., 4096) = 4096
brk(0xaa0000)                           = 0xaa0000
read(3, "T//\nmodule\tISO-2022-CN-EXT//\tINT"..., 4096) = 4096
read(3, "//\t\tISO_5428//\nalias\tISO_5428:19"..., 4096) = 4096
read(3, "CII-8\t1\n\n#\tfrom\t\t\tto\t\t\tmodule\t\tc"..., 4096) = 4096
read(3, "\tfrom\t\t\tto\t\t\tmodule\t\tcost\nalias\t"..., 4096) = 4096
read(3, "712//\t\tINTERNAL\t\tIBM12712\t\t1\nmod"..., 4096) = 2847
read(3, "", 4096)                       = 0
close(3)                                = 0
open("/usr/lib/gconv/ISO8859-1.so", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\0\6\0\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0755, st_size=10368, ...}) = 0
mmap(NULL, 2105408, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7ffae2c7a000
mprotect(0x7ffae2c7c000, 2093056, PROT_NONE) = 0
mmap(0x7ffae2e7b000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1000) = 0x7ffae2e7b000
close(3)                                = 0
mprotect(0x7ffae2e7b000, 4096, PROT_READ) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8)  = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8)  = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8)  = 0
pipe([3, 4])                            = 0
rt_sigprocmask(SIG_BLOCK, [CHLD], [], 8) = 0
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
rt_sigprocmask(SIG_BLOCK, [INT CHLD], [], 8) = 0
lseek(255, -347, SEEK_CUR)              = 384
clone(child_stack=0, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x7ffae3af89d0) = 8297
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
rt_sigaction(SIGCHLD, {0x43f8b0, [], SA_RESTORER|SA_RESTART, 0x7ffae2eb0330}, {0x43f8b0, [], SA_RESTORER|SA_RESTART, 0x7ffae2eb0330}, 8) = 0
close(4)                                = 0
read(3, "/home/e/MuseScore/build.debug/Mu"..., 128) = 48
read(3, "", 128)                        = 0
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8297, si_uid=1000, si_status=0, si_utime=0, si_stime=0} ---
wait4(-1, [{WIFEXITED(s) && WEXITSTATUS(s) == 0}], WNOHANG, NULL) = 8297
wait4(-1, 0x7ffc8cc14750, WNOHANG, NULL) = -1 ECHILD (No child processes)
rt_sigreturn({mask=[]})                 = 0
close(3)                                = 0
rt_sigprocmask(SIG_BLOCK, [CHLD], [], 8) = 0
rt_sigaction(SIGINT, {0x43c7d0, [], SA_RESTORER, 0x7ffae2eb0330}, {SIG_DFL, [], SA_RESTORER, 0x7ffae2eb0330}, 8) = 0
rt_sigaction(SIGINT, {SIG_DFL, [], SA_RESTORER, 0x7ffae2eb0330}, {0x43c7d0, [], SA_RESTORER, 0x7ffae2eb0330}, 8) = 0
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
read(255, "[ \"${APPIMAGE}\" ] || export APPI"..., 731) = 347
rt_sigprocmask(SIG_BLOCK, [INT CHLD], [], 8) = 0
rt_sigprocmask(SIG_BLOCK, [CHLD], [INT CHLD], 8) = 0
rt_sigprocmask(SIG_SETMASK, [INT CHLD], NULL, 8) = 0
lseek(255, -9, SEEK_CUR)                = 722
clone(child_stack=0, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x7ffae3af89d0) = 8300
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
rt_sigprocmask(SIG_BLOCK, [CHLD], [], 8) = 0
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
rt_sigprocmask(SIG_BLOCK, [CHLD], [], 8) = 0
rt_sigaction(SIGINT, {0x43c7d0, [], SA_RESTORER, 0x7ffae2eb0330}, {SIG_DFL, [], SA_RESTORER, 0x7ffae2eb0330}, 8) = 0
wait4(-1, initScoreFonts 0x372c670
Collect meta for </home/e/Documents/MuseScoreDevelopment/Plugins/helloqml/helloqml.qml>
qml: hello world
qml: Ms::Score(0x3b95ae0)
qml: My_First_Score
file:///home/e/Documents/MuseScoreDevelopment/Plugins/helloqml/helloqml.qml:22: TypeError: Property 'firstMeasure' of object Ms::Score(0x3b95ae0) is not a function
[{WIFSIGNALED(s) && WTERMSIG(s) == SIGSEGV && WCOREDUMP(s)}], 0, NULL) = 8300
rt_sigaction(SIGINT, {SIG_DFL, [], SA_RESTORER, 0x7ffae2eb0330}, {0x43c7d0, [], SA_RESTORER, 0x7ffae2eb0330}, 8) = 0
open("/usr/share/locale/locale.alias", O_RDONLY|O_CLOEXEC) = 3
fstat(3, {st_mode=S_IFREG|0644, st_size=2997, ...}) = 0
read(3, "# Locale name alias data base.\n#"..., 4096) = 2997
read(3, "", 4096)                       = 0
close(3)                                = 0
open("/usr/share/locale/en_US/LC_MESSAGES/bash.mo", O_RDONLY) = -1 ENOENT (No such file or directory)
open("/usr/share/locale/en/LC_MESSAGES/bash.mo", O_RDONLY) = -1 ENOENT (No such file or directory)
fstat(2, {st_mode=S_IFCHR|0620, st_rdev=makedev(136, 15), ...}) = 0
open("/usr/share/locale/en_US/LC_MESSAGES/libc.mo", O_RDONLY) = -1 ENOENT (No such file or directory)
open("/usr/share/locale/en/LC_MESSAGES/libc.mo", O_RDONLY) = -1 ENOENT (No such file or directory)
write(2, "./AppRun: line 14:  8300 Segment"..., 100./AppRun: line 14:  8300 Segmentation fault      (core dumped) "${APPDIR}/bin/mscore-portable" "$@"
) = 100
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=8300, si_uid=1000, si_status=SIGSEGV, si_utime=87, si_stime=9} ---
wait4(-1, 0x7ffc8cc14bd0, WNOHANG, NULL) = -1 ECHILD (No child processes)
rt_sigreturn({mask=[]})                 = 0
read(255, "\nexit $?\n", 731)           = 9
rt_sigprocmask(SIG_BLOCK, [CHLD], [], 8) = 0
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
exit_group(139)                         = ?
+++ exited with 139 +++