Build failed

[nadjibnet]

Now I got build failed,
can you give give help to understand the problem.

`/usr/bin/make -j1 O=/mnt/d/lichee-nano-one-key-package/buildroot-2017.08/buildroot-2017.08/output HOSTCC="/usr/bin/gcc" HOSTCXX="/usr/bin/g++" silentoldconfig
make[1]: Entering directory '/mnt/d/lichee-nano-one-key-package/buildroot-2017.08/buildroot-2017.08'

configuration written to /mnt/d/lichee-nano-one-key-package/buildroot-2017.08/buildroot-2017.08/.config

make[1]: Leaving directory '/mnt/d/lichee-nano-one-key-package/buildroot-2017.08/buildroot-2017.08'
�[7m>>> toolchain-external-codesourcery-arm 2014.05-29 Configuring�[27m
Cannot execute cross-compiler '/mnt/d/lichee-nano-one-key-package/buildroot-2017.08/buildroot-2017.08/output/host/opt/ext-toolchain/bin/arm-none-linux-gnueabi-gcc'
make: *** [package/pkg-generic.mk:220: /mnt/d/lichee-nano-one-key-package/buildroot-2017.08/buildroot-2017.08/output/build/toolchain-external-codesourcery-arm-2014.05-29/.stamp_configured] Error 1
`