(gdb) bt
#0  0x00007ffff2385d62 in __lll_lock_wait () from /nix/store/0c7c96gikmzv87i7lv3vq5s1cmfjd6zf-glibc-2.31-74/lib/libpthread.so.0
#1  0x00007ffff237e721 in pthread_mutex_lock () from /nix/store/0c7c96gikmzv87i7lv3vq5s1cmfjd6zf-glibc-2.31-74/lib/libpthread.so.0
#2  0x00000000008b05a3 in std.Thread.Mutex.PthreadMutex.acquire (m=0x4470128 <stderr_mutex>) at /home/jacob/dev/zig/lib/std/Thread/Mutex.zig:208
#3  0x00000000007eb22c in std.Thread.Mutex.acquire (m=0x4470128 <stderr_mutex>) at /home/jacob/dev/zig/lib/std/Thread/Mutex.zig:50
#4  0x0000000000b984e9 in std.debug.print (args=...) at /home/jacob/dev/zig/lib/std/debug.zig:62
#5  0x0000000000a6b049 in Compilation.Message.renderToStdErrInner (msg=..., ttyconf=escape_codes, stderr_file=..., kind=..., color=Red) at /home/jacob/dev/zig/src/Compilation.zig:324
#6  0x000000000093b9fe in Compilation.Message.renderToStdErr (msg=..., ttyconf=escape_codes) at /home/jacob/dev/zig/src/Compilation.zig:288
#7  0x00000000008cc683 in main.updateModule (gpa=0x446aeb0 <c_allocator_state>, comp=0x44e8c28, hook=...) at /home/jacob/dev/zig/src/main.zig:2100
#8  0x00000000007fc598 in main.buildOutputType (gpa=0x446aeb0 <c_allocator_state>, arena=0x7fffffff7998, all_args=..., arg_mode=...) at /home/jacob/dev/zig/src/main.zig:1930
#9  0x00000000007d2e3d in main.mainArgs (gpa=0x446aeb0 <c_allocator_state>, arena=0x7fffffff7998, args=...) at /home/jacob/dev/zig/src/main.zig:170
#10 0x00000000007d285f in main (argc=4, argv=0x7fffffff7bd8) at /home/jacob/dev/zig/src/stage1.zig:45
(gdb)