diff --git a/src/log.zig b/src/log.zig
index f5679efacfbad7cc392959eb53398f4e28114122..cb3825dcca7d19109e86c11a4cd798c7cec9b8db 100644
--- a/src/log.zig
+++ b/src/log.zig
@@ -2,11 +2,11 @@ const std = @import("std");
 const tracer = @import("./mod.zig");
 const log = std.log.scoped(.tracer);
 
-pub fn init() void {}
+pub fn init() !void {}
 
 pub fn deinit() void {}
 
-pub fn init2() void {}
+pub fn init2() !void {}
 
 pub fn deinit2() void {}
 
diff --git a/src/mod.zig b/src/mod.zig
index 7ebf7a1c3c4255b35ca72ba6e657e317de778fa6..a2288683f59a8a47d3170cc50fb3c00272a0054c 100644
--- a/src/mod.zig
+++ b/src/mod.zig
@@ -9,7 +9,7 @@ pub const log = @import("./log.zig");
 pub const spall = @import("./spall.zig");
 
 pub fn init() !void {
-    impl.init();
+    try impl.init();
 }
 
 pub fn deinit() void {
@@ -17,7 +17,7 @@ pub fn deinit() void {
 }
 
 pub fn init2() !void {
-    impl.init2();
+    try impl.init2();
     started = true;
 }
 
diff --git a/src/none.zig b/src/none.zig
index 154a721a8969c9c465ece986f2e661a6093f2cc7..473399af337842f73d4ab3e2a1f9191fa05639ba 100644
--- a/src/none.zig
+++ b/src/none.zig
@@ -2,11 +2,11 @@ const std = @import("std");
 const tracer = @import("./mod.zig");
 const log = std.log.scoped(.tracer);
 
-pub fn init() void {}
+pub fn init() !void {}
 
 pub fn deinit() void {}
 
-pub fn init2() void {}
+pub fn init2() !void {}
 
 pub fn deinit2() void {}
 
diff --git a/src/spall.zig b/src/spall.zig
index ad4237d74bd367a4cf03b02205e10b193daeb91b..ee6270a2e6a4067e41918afe57b48917686147a3 100644
--- a/src/spall.zig
+++ b/src/spall.zig
@@ -10,7 +10,7 @@ threadlocal var tid: std.os.linux.pid_t = undefined;
 threadlocal var path: []const u8 = undefined;
 threadlocal var file: std.fs.File = undefined;
 
-pub fn init() void {
+pub fn init() !void {
     pid = std.os.linux.getpid();
 }
 
@@ -18,12 +18,12 @@ pub fn deinit() void {
     //
 }
 
-pub fn init2() void {
+pub fn init2() !void {
     tid = std.os.linux.gettid();
 
-    path = std.fmt.allocPrint(alloc, "/data/trace.{d}.{d}.spall.jsonl", .{ pid, tid }) catch @panic("oom");
-    file = std.fs.cwd().createFile(path, .{}) catch @panic("create fail");
-    file.writer().writeAll("[\n") catch @panic("[");
+    path = try std.fmt.allocPrint(alloc, "/data/trace.{d}.{d}.spall.jsonl", .{ pid, tid });
+    file = try std.fs.cwd().createFile(path, .{});
+    try file.writer().writeAll("[\n");
 }
 
 pub fn deinit2() void {