(gdb) bt
#0  0x00007ffff7acb46b in flock () from /usr/lib/libc.so.6
#1  0x0000555556638bef in std.os.flock (fd=11, operation=2)
    at /home/timon/dev/zig/zig-source/lib/std/os.zig:4099
#2  0x00005555564e1238 in std.fs.Dir.createFileZ (self=...,
    sub_path_c=0x7fffffff8460 "f9f9ad84fc241cdf2fdf070d5f6e78a4.txt", flags=...)
(gdb) bt
#0  0x00007ffff7acb46b in flock () from /usr/lib/libc.so.6
#1  0x0000555556638bef in std.os.flock (fd=11, operation=2)
    at /home/timon/dev/zig/zig-source/lib/std/os.zig:4099
#2  0x00005555564e1238 in std.fs.Dir.createFileZ (self=...,
    sub_path_c=0x7fffffff8460 "f9f9ad84fc241cdf2fdf070d5f6e78a4.txt", flags=...)
    at /home/timon/dev/zig/zig-source/lib/std/fs.zig:875
#3  0x00005555564dbd60 in std.fs.Dir.createFile (self=..., sub_path=..., flags=...)
    at /home/timon/dev/zig/zig-source/lib/std/fs.zig:809
#4  0x00005555564d6ec5 in Cache.Manifest.hit (self=0x7fffffffbb30)
    at /home/timon/dev/zig/zig-source/src/Cache.zig:245
#5  0x00005555565c9c36 in link.Elf.linkWithLLD (self=0x55555e621ac0, comp=0x55555e6207f8)
    at /home/timon/dev/zig/zig-source/src/link/Elf.zig:1325
#6  0x00005555565beba4 in link.Elf.flush (self=0x55555e621ac0, comp=0x55555e6207f8)
    at /home/timon/dev/zig/zig-source/src/link/Elf.zig:716
#7  0x000055555657b5ef in link.File.flush (base=0x55555e621ac0, comp=0x55555e6207f8)
    at /home/timon/dev/zig/zig-source/src/link.zig:352
#8  0x00005555565744e8 in Compilation.update (self=0x55555e6207f8)
    at /home/timon/dev/zig/zig-source/src/Compilation.zig:1091
#9  0x000055555652c307 in main.updateModule (gpa=0x55555e52ec70 <c_allocator_state>, comp=0x55555e6207f8,
    zir_out_path=..., hook=...) at /home/timon/dev/zig/zig-source/src/main.zig:1843
#10 0x000055555648d8fa in main.cmdBuild (gpa=0x55555e52ec70 <c_allocator_state>, arena=0x7fffffffdcb8,
    args=...) at /home/timon/dev/zig/zig-source/src/main.zig:2343
--Type <RET> for more, q to quit, c to continue without paging--
#11 0x000055555645d706 in main.mainArgs (gpa=0x55555e52ec70 <c_allocator_state>, arena=0x7fffffffdcb8,
    args=...) at /home/timon/dev/zig/zig-source/src/main.zig:179
#12 0x000055555645ca9f in main (argc=3, argv=0x7fffffffdef8)
    at /home/timon/dev/zig/zig-source/src/stage1.zig:45