openat(AT_FDCWD, "/usr/local/bin/docker-compose", O_RDONLY) = 3
fstat(3, {st_mode=S_IFREG|0755, st_size=10861704, ...}) = 0
lseek(3, 8749056, SEEK_SET)             = 8749056
read(3, "\256\5\0161\263\2422\221\27~\375\17\rj\365\311;\224\323\344\4\227A\207\337R\355\304\327i*\200"..., 1126) = 1126
read(3, "x\332\335}\375c\3336\222\350\317\346_\201S\274g+\317\224\362\321\355\333U\326\3358\266\342\350\352"..., 16384) = 16384
read(3, "m\232\254\31]\341\367\350\267\\d@\351\224\227\261\325\317\253~_\370\21\320R\307/\313\233\\\2\241"..., 4096) = 4096
close(3)                                = 0
stat("/tmp/_MEI9WrwFh/lib", 0x7ffdd8a26e50) = -1 ENOENT (No such file or directory)
mkdir("/tmp/_MEI9WrwFh/lib", 0700)      = 0
stat("/tmp/_MEI9WrwFh/lib/python3.6", 0x7ffdd8a26e50) = -1 ENOENT (No such file or directory)
mkdir("/tmp/_MEI9WrwFh/lib/python3.6", 0700) = 0
stat("/tmp/_MEI9WrwFh/lib/python3.6/config-3.6m-x86_64-linux-gnu", 0x7ffdd8a26e50) = -1 ENOENT (No such file or directory)
mkdir("/tmp/_MEI9WrwFh/lib/python3.6/config-3.6m-x86_64-linux-gnu", 0700) = 0
stat("/tmp/_MEI9WrwFh/lib/python3.6/config-3.6m-x86_64-linux-gnu/Makefile", 0x7ffdd8a26e50) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/tmp/_MEI9WrwFh/lib/python3.6/config-3.6m-x86_64-linux-gnu/Makefile", O_WRONLY|O_CREAT|O_TRUNC, 0666) = 3
fstat(3, {st_mode=S_IFREG|0664, st_size=0, ...}) = 0
write(3, "# Generated automatically from M"..., 65536) = 65536
fchmod(3, 0700)                         = 0
write(3, "$(EXT_SUFFIX)\nModules/_stat.o: $"..., 3746) = 3746
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x7fd3160afa10) = 482
rt_sigaction(SIGINT, {sa_handler=0x404840, sa_mask=[INT], sa_flags=SA_RESTORER|SA_RESTART, sa_restorer=0x7fd3156d2f20}, {sa_handler=SIG_DFL, sa_mask=[], sa_f
lags=0}, 8) = 0
rt_sigaction(SIGKILL, {sa_handler=0x404840, sa_mask=[KILL], sa_flags=SA_RESTORER|SA_RESTART, sa_restorer=0x7fd3156d2f20}, 0x7ffdd8a28db0, 8) = -1 EINVAL (Inv
alid argument)
rt_sigaction(SIGTERM, {sa_handler=0x404840, sa_mask=[TERM], sa_flags=SA_RESTORER|SA_RESTART, sa_restorer=0x7fd3156d2f20}, {sa_handler=SIG_DFL, sa_mask=[], sa
_flags=0}, 8) = 0
---------------------------------------
--------------------------------------- For most of the time, it hangs here, just after "wait4(-1, " is printed onto
---------------------------------------
wait4(-1, [{WIFEXITED(s) && WEXITSTATUS(s) == 0}], 0, NULL) = 482
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=482, si_uid=1000, si_status=0, si_utime=24, si_stime=3} ---
rt_sigaction(SIGINT, {sa_handler=SIG_DFL, sa_mask=[INT], sa_flags=SA_RESTORER|SA_RESTART, sa_restorer=0x7fd3156d2f20}, {sa_handler=0x404840, sa_mask=[INT], sa_flags=SA_RESTORER|SA_RESTART, sa_restorer=0x7fd3156d2f20}, 8) = 0
rt_sigaction(SIGKILL, {sa_handler=SIG_DFL, sa_mask=[KILL], sa_flags=SA_RESTORER|SA_RESTART, sa_restorer=0x7fd3156d2f20}, 0x7ffdd8a28db0, 8) = -1 EINVAL (Invalid argument)
rt_sigaction(SIGTERM, {sa_handler=SIG_DFL, sa_mask=[TERM], sa_flags=SA_RESTORER|SA_RESTART, sa_restorer=0x7fd3156d2f20}, {sa_handler=0x404840, sa_mask=[TERM], sa_flags=SA_RESTORER|SA_RESTART, sa_restorer=0x7fd3156d2f20}, 8) = 0
openat(AT_FDCWD, "/tmp/_MEI9WrwFh", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
getdents(3, /* 60 entries */, 32768)    = 2040
stat("/tmp/_MEI9WrwFh/_md5.so", {st_mode=S_IFREG|0700, st_size=51912, ...}) = 0
unlink("/tmp/_MEI9WrwFh/_md5.so")       = 0
stat("/tmp/_MEI9WrwFh/_heapq.so", {st_mode=S_IFREG|0700, st_size=45808, ...}) = 0
unlink("/tmp/_MEI9WrwFh/_heapq.so")     = 0
stat("/tmp/_MEI9WrwFh/math.so", {st_mode=S_IFREG|0700, st_size=182088, ...}) = 0
unlink("/tmp/_MEI9WrwFh/math.so")