Store error output from 'hg id' to help diagnose why it's failing at the moment.
<?xml version="1.0"?>
<!DOCTYPE BuildEnv [
<!ELEMENT BuildEnv (context*)>
<!ATTLIST BuildEnv name CDATA #REQUIRED
revision CDATA #REQUIRED>
<!ELEMENT context (context*, tool+)>
<!ATTLIST context id (system|p4|cbr) "system">
<!ELEMENT tool (location?, verify*)>
<!ATTLIST tool name CDATA #REQUIRED>
<!ELEMENT location EMPTY>
<!ATTLIST location strict (true|false) "true" value CDATA #REQUIRED>
<!ELEMENT verify (check+)>
<!ATTLIST verify version CDATA #REQUIRED showstopper (true|false) "false">
<!ELEMENT check EMPTY>
<!ATTLIST check exclusive (false|true) "false"
values CDATA #REQUIRED
locator CDATA #IMPLIED
var CDATA #IMPLIED
execute CDATA #IMPLIED
name CDATA #IMPLIED
silent (false|true) "false"
log (false|true) "false">
]>
<BuildEnv name="BuildEnv" revision="1">
<!-- OS-dependant contexts -->
<context id="Common">
<tool name="Perl">
<location strict="false" value="C:\apps\perl\bin\perl.exe"/>
<verify version="5.10.1" showstopper="true" >
<check name="version" execute="%location% -v" values="v5\.10\.1" locator="This is perl, (.*) built"/>
<check name="build" execute="%location% -v" values="build *" locator="Binary (.*) provided by ActiveState" log="true"/>
</verify>
</tool>
<tool name="Mercurial">
<location strict="false" value="C:\Apps\mercurial\hg.exe"/>
<verify version="1.2 or later" showstopper="false">
<check name="version" execute="%location% version" values="1\.[2-5](\.[0-9])?" locator="Mercurial Distributed SCM \(version ([0-9\.]*)\)"/>
</verify>
</tool>
<tool name="Python">
<location strict="false" value="c:\apps\python25\python.exe"/>
<verify version="2.5 or 2.6]" showstopper="false">
<check name="version" execute="%location% -V" values="2\.[5-6]\.[0-9]" locator="Python (.*)"/>
</verify>
</tool>
<tool name="Java Compiler">
<location strict="false" value="C:\apps\jdk1.6.0_14\bin\javac"/>
<verify version="1.6" showstopper="false">
<check var="JAVA_6_HOME" values="jdk1\.6"/>
<check name="version" execute="%JAVA_6_HOME%\bin\javac -version" values="1\.6\.[0-9]_[0-9]+" locator="javac (.*)"/>
</verify>
<verify version="default" showstopper="false">
<check var="JAVA_HOME" values="jdk1\.6"/>
</verify>
</tool>
<tool name="7-Zip">
<verify version="4.65" showstopper="false">
<check name="version" execute="7z.exe -h" values="4\.65" locator="7-Zip (.*) Copyright"/>
</verify>
</tool>
<tool name="EPOC">
<verify version="Environment Vars" showstopper="true">
<check var="EPOCROOT" values="^\\$"/>
<check var="PATH" values=";\\epoc32\\tools;" silent="true"/>
</verify>
</tool>
<tool name="Helium">
<location strict="false" value="C:\Symbian\Tools\PDT_1.0\helium\hlm.bat"/>
<verify version="5.0" showstopper="true">
<check var="HELIUM_HOME" values="[CD]:\\Symbian\\Tools\\PDT_1.\d\\helium"/>
</verify>
</tool>
<tool name="Raptor">
<location strict="false" value="C:\apps\raptor2.7.2\bin\sbs.bat"/>
<verify version="2.12.* or 2.14.*" showstopper="true">
<check name="version" execute="%SBS_HOME%\bin\sbs.bat -version" values="2\.1[2|4]\.\d" locator="sbs version (.*) \["/>
</verify>
</tool>
</context>
<context id="ARMv5">
<tool name="RVCT ARM Compiler">
<location strict="false" value="C:\apps\arm\RVCT2.2[616]\RVCT\Programs\2.2\349\win_32-pentium\armcc.exe"/>
<verify version="2.2" showstopper="true">
<check name="version" execute="%location% --help" values="RVCT2\.2\ \[Build 616\]" log="false" locator="ARM\/Thumb C\/C\+\+ Compiler, (.*)Usage"/>
<!-- <check execute="%RVCT22BIN%\armcc.exe" values="616" log="false"/> -->
<check var="RVCT22BIN" values="RVCT\\Programs\\2\.2\\349\\win_32-pentium" silent="true"/>
<check var="RVCT22INC" values="RVCT\\Data\\2\.2\\349\\include\\windows" silent="true"/>
<check var="RVCT22LIB" values="RVCT\\Data\\2\.2\\349\\lib" silent="true"/>
<check var="ARMLMD_LICENSE_FILE" values="8224@LON-ENGBUILD8[79]|8224@C10072[56]"/>
</verify>
<verify version="2.2 [options]" showstopper="false">
<check var="RVCT22_ASMOPT" values="--licretry" silent="true"/>
<check var="RVCT22_CCOPT" values="--licretry" silent="true"/>
<check var="RVCT22_LINKOPT" values="--licretry" silent="true"/>
</verify>
</tool>
</context>
<context id="Test">
<tool name="cURL">
<location strict="false" value="C:\apps\curl_7.18.2\curl.exe"/>
<verify version="7.18.2" showstopper="false">
<check name="version" execute="%location% -V" values="7\.18\.2" locator="curl (.*) \(i386-pc-win32\)"/>
</verify>
</tool>
<tool name="Junction">
<location strict="true" value="C:\Bin\junction.exe"/>
<verify version="1.0.5" showstopper="true">
<check name="version - local" execute="%location%" values="v1\.05" locator="Junction (.*) - Windows junction creator"/>
<check execute="junction - system" values="v1\.05" locator="Junction (.*) - Windows junction creator"/>
</verify>
</tool>
<tool name="ATS3 Worker">
<location strict="true" value="C:\apps\ats3\bin\STAFEnv.bat"/>
<verify version="7.18.2" showstopper="false">
<check execute="%location%" values=".*"/>
<check var="ATS3_HOME" values="\w:\\\w+"/>
</verify>
</tool>
</context>
<context id="Tools">
<tool name="Microsoft Visual C++ compiler">
<location strict="false" value="C:\apps\MSVC6\VC98\bin\vcvars32.bat"/>
<verify version="6.00" showstopper="false">
<check var="PATH" values="MSVC6\\Common\\MSDev98\\bin" silent="true"/>
<check var="PATH" values="MSVC6\\Common\\Tools\\WinNT" silent="true"/>
<check var="PATH" values="MSVC6\\Common\\Tools" silent="true"/>
<check var="PATH" values="MSVC6\\VC98\\bin" silent="true"/>
<check var="INCLUDE" values="MSVC6\\VC98\\atl\\include" silent="true"/>
<check var="INCLUDE" values="MSVC6\\VC98\\mfc\\include" silent="true"/>
<check var="INCLUDE" values="MSVC6\\VC98\\include" silent="true"/>
<check var="LIB" values="MSVC6\\VC98\\mfc\\lib" silent="true"/>
<check var="LIB" values="MSVC6\\VC98\\lib" silent="true"/>
<check var="MSDEVDIR" values="msvc6\\Common\\MSDev98" silent="true"/>
</verify>
</tool>
</context>
</BuildEnv>