Failed to compile xargo

error: failed to compile `xargo v0.1.14`, intermediate artifacts can be found at `/tmp/cargo-install.ZZZwi70rntjD`

Caused by:
  failed to run custom build command for `libssh2-sys v0.1.39`
process didn't exit successfully: `/tmp/cargo-install.ZZZwi70rntjD/release/build/libssh2-sys-f3e6ccc6379d9b0b/build-script-build` (exit code: 101)
--- stdout
running: "cmake" "/home/martin/.cargo/registry/src/github.com-1ecc6299db9ec823/libssh2-sys-0.1.39/libssh2" "-DCRYPTO_BACKEND=OpenSSL" "-DBUILD_SHARED_LIBS=OFF" "-DENABLE_ZLIB_COMPRESSION=ON" "-DCMAKE_INSTALL_LIBDIR=lib" "-DBUILD_EXAMPLES=OFF" "-DBUILD_TESTING=OFF" "-DCMAKE_INSTALL_PREFIX=/tmp/cargo-install.ZZZwi70rntjD/release/build/libssh2-sys-f3e6ccc6379d9b0b/out" "-DCMAKE_C_FLAGS= -O0 -ffunction-sections -fdata-sections -m64 -fPIC" "-DCMAKE_C_COMPILER=/usr/bin/cc" "-DCMAKE_CXX_FLAGS= -O0 -ffunction-sections -fdata-sections -m64 -fPIC" "-DCMAKE_CXX_COMPILER=/usr/bin/c++" "-DCMAKE_BUILD_TYPE=Release"
-- Configuring incomplete, errors occurred!

--- stderr
fatal: Not a git repository (or any parent up to mount parent )
Stopping at filesystem boundary (GIT_DISCOVERY_ACROSS_FILESYSTEM not set).
CMake Error at CMakeLists.txt:36 (cmake_minimum_required):
  CMake 2.8.11 or higher is required.  You are running version 2.8.7


thread 'main' panicked at '
command did not execute successfully, got: exit code: 1

build script failed, must exit now', .cargo/registry/src/github.com-1ecc6299db9ec823/cmake-0.1.17/src/lib.rs:463
note: Run with `RUST_BACKTRACE=1` for a backtrace.