Windows build error: 64-bit mode not compiled in about time

[AndyShiue]

$ cargo build
   Compiling gcc v0.1.4
   Compiling time v0.1.12
failed to run custom build command for `time v0.1.12`
Process didn't exit successfully: `D:\root\Language_Performance_Contest\Prime\Rust\target\build\time-7c7fc3eb0c12ad75\build-script-build.exe` (status=101)
--- stdout
TARGET = Some("x86_64-pc-windows-gnu")
OPT_LEVEL = Some("0")
TARGET = Some("x86_64-pc-windows-gnu")
HOST = Some("x86_64-pc-windows-gnu")
CC_x86_64-pc-windows-gnu = None
CC_x86_64_pc_windows_gnu = None
HOST_CC = None
CC = None
TARGET = Some("x86_64-pc-windows-gnu")
HOST = Some("x86_64-pc-windows-gnu")
CFLAGS_x86_64-pc-windows-gnu = None
CFLAGS_x86_64_pc_windows_gnu = None
HOST_CFLAGS = None
CFLAGS = None
CARGO_MANIFEST_DIR = Some("C:\\msys64\\home\\Administrator\\.cargo\\registry\\src\\github.com-1ecc6299db9ec823\\time-0.1.12")
OUT_DIR = Some("D:\\root\\Language_Performance_Contest\\Prime\\Rust\\target\\build\\time-7c7fc3eb0c12ad75\\out")
running: gcc '-O0' '-c' '-ffunction-sections' '-fdata-sections' '-mwin32' '-m64' '-fPIC' 'C:\msys64\home\Administrator\.cargo\registry\src\github.com-1ecc6299db9ec823\time-0.1.12\src\time_helpers.c' '-o' 'D:\root\Language_Performance_Contest\Prime\Rust\target\build\time-7c7fc3eb0c12ad75\out\src\time_helpers.o'

I also hit this.

[AndyShiue]

64-bit Windows 8 here

[alexcrichton]

This typically means that you're running in a 32-bit MSYS shell instead of a 64-bit MSYS shell. Could you guys confirm that you're running in the 64-bit shell?

[nathansizemore]

32-bit MSYS was the culprit in my case.

[nathansizemore]

Closing issue, fixed my case