./configure 

$ make check-notidy TESTNAME=backtrace.rs cfg: version 1.5.0-dev (355daea40 2015-09-16) cfg: build triple x86_64-pc-windows-gnu cfg: host triples x86_64-pc-windows-gnu cfg: target triples x86_64-pc-windows-gnu cfg: host for x86_64-pc-windows-gnu is x86_64 cfg: os for x86_64-pc-windows-gnu is pc-windows-gnu cfg: good valgrind for x86_64-pc-windows-gnu is cfg: using CC=gcc (CFG_CC) cfg: disabling valgrind run-pass tests cfg: including test rules cfg: javac not available, skipping lexer test... run rpass [x86_64-pc-windows-gnu]: x86_64-pc-windows-gnu/stage2/bin/compiletest.exe Could not extract GDB version from line 'GNU gdb (GDB) 7.10' running 1 test test [run-pass] run-pass/backtrace.rs ... FAILED failures: ---- [run-pass] run-pass/backtrace.rs stdout ---- error: test run failed! status: exit code: 101 command: PATH="x86_64-pc-windows-gnu/stage2/bin/rustlib/x86_64-pc-windows-gnu/lib;C:\msys64\home\we\rust\x86_64-pc-windows-gnu\stage2\bin;C:\msys64\mingw64\bin;C:\msys64\usr\local\bin;C:\msys64\usr\bin;C:\msys64\usr\bin;C:\Program Files (x86)\NVIDIA Corporation\PhysX\Common;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0;C:\ProgramData\chocolatey\bin;C:\Program Files (x86)\Skype\Phone;C:\Program Files\kdiff3;C:\msys64\usr\bin\site_perl;C:\msys64\usr\bin\vendor_perl;C:\msys64\usr\bin\core_perl" x86_64-pc-windows-gnu/test/run-pass\backtrace.stage2-x86_64-pc-windows-gnu.exe stdout: ------------------------------------------ ------------------------------------------ stderr: ------------------------------------------ thread '<main>' panicked at 'bad output: thread '<main>' panicked at 'explicit panic', C:/msys64/home/we/rust/src/test/run-pass/backtrace.rs:24 stack backtrace: 0: 0x67f4154e - <unknown> 1: 0x67f3e132 - <unknown> 2: 0x67f0576e - <unknown> 3: 0x401693 - <unknown> 4: 0x40162f - <unknown> 5: 0x4027bc - <unknown> 6: 0x67f48488 - <unknown> 7: 0x67f31693 - <unknown> 8: 0x67f48397 - <unknown> 9: 0x4013ec - <unknown> 10: 0x40152a - <unknown> 11: 0x7ffa0cb913d1 - <unknown> ', C:/msys64/home/we/rust/src/test/run-pass/backtrace.rs:55 ------------------------------------------ thread '[run-pass] run-pass/backtrace.rs' panicked at 'explicit panic', C:/msys64/home/we/rust/src/compiletest\runtest.rs:1501 failures: [run-pass] run-pass/backtrace.rs test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured thread '<main>' panicked at 'Some tests failed', C:/msys64/home/we/rust/src/compiletest/compiletest.rs:248 /home/we/rust/mk/tests.mk:764: recipe for target 'tmp/check-stage2-T-x86_64-pc-windows-gnu-H-x86_64-pc-windows-gnu-rpass.ok' failed make: *** [tmp/check-stage2-T-x86_64-pc-windows-gnu-H-x86_64-pc-windows-gnu-rpass.ok] Error 101