diff --git a/src/comp/syntax/ext/expand.rs b/src/comp/syntax/ext/expand.rs
index 150f9ad97bb4..8a28f7dc84cf 100644
--- a/src/comp/syntax/ext/expand.rs
+++ b/src/comp/syntax/ext/expand.rs
@@ -55,10 +55,10 @@ fn expand_expr(exts: hashmap<str, syntax_extension>, cx: ext_ctxt, e: expr_,
 fn core_macros() -> str {
     ret
 "{
-    #macro[[#error[f, ...], log_err #fmt[f, ...]]];
-    #macro[[#warn[f, ...], log_err #fmt[f, ...]]];
-    #macro[[#info[f, ...], log_err #fmt[f, ...]]];
-    #macro[[#debug[f, ...], log_err #fmt[f, ...]]];
+    #macro[[#error[f, ...], log_full(core::error, #fmt[f, ...])]];
+    #macro[[#warn[f, ...], log_full(core::warn, #fmt[f, ...])]];
+    #macro[[#info[f, ...], log_full(core::info, #fmt[f, ...])]];
+    #macro[[#debug[f, ...], log_full(core::debug, #fmt[f, ...])]];
 }";
 }
 
diff --git a/src/libcore/core.rs b/src/libcore/core.rs
index 48e7a5f64cab..6e3120df17ac 100644
--- a/src/libcore/core.rs
+++ b/src/libcore/core.rs
@@ -11,7 +11,8 @@ export option, some, none;
 // more-verbosity. Error is the bottom level, default logging level is
 // warn-and-below.
 
-const error : int = 0;
-const warn : int = 1;
-const info : int = 2;
-const debug : int = 3;
+export error, warn, info, debug;
+const error : u32 = 0_u32;
+const warn : u32 = 1_u32;
+const info : u32 = 2_u32;
+const debug : u32 = 3_u32;
diff --git a/src/rt/rust_log.cpp b/src/rt/rust_log.cpp
index 226ff2ff1590..645bffb1c0af 100644
--- a/src/rt/rust_log.cpp
+++ b/src/rt/rust_log.cpp
@@ -129,12 +129,12 @@ struct log_directive {
 };
 
 const size_t max_log_directives = 255;
-const size_t max_log_level = 1;
+const size_t max_log_level = 255;
 const size_t default_log_level = 0;
 
 // This is a rather ugly parser for strings in the form
-// "crate1,crate2.mod3,crate3.x=1". Log levels are 0-1 for now,
-// eventually we'll have 0-3.
+// "crate1,crate2.mod3,crate3.x=1". Log levels are 0-255,
+// with the most likely ones being 0-3 (defined in core::).
 size_t parse_logging_spec(char* spec, log_directive* dirs) {
     size_t dir = 0;
     while (dir < max_log_directives && *spec) {
diff --git a/src/snapshots.txt b/src/snapshots.txt
index 4cefb1f24992..986bf8c11f54 100644
--- a/src/snapshots.txt
+++ b/src/snapshots.txt
@@ -1,10 +1,3 @@
-S 2011-12-21 047b02d
-  winnt-i386 cf6ed4fed5b07357cea5865ff91a9c4a0377a2f0
-  linux-i386 6f6e329199d4e3e3ce2e9dc595fe6f4334e00684
-  macos-i386 d125f065125bf0f3186d88afd58a1e471fe830a3
-  linux-x86_64 c3315c5c679648bcfdf65910f427a37982918b09
-  macos-x86_64 bab127bc6c383889d482c99e771be5e80405d7c9
-
 S 2011-12-19 edf6e1e
   winnt-i386 7a358117e123ad3d16fa66106819ec0daf5a6aba
   linux-i386 87b9a54e2e165b5c800236f49ee58522c8664226