llvm-sys 40.3.0

# rustc version
rustc 1.33.0-nightly (adbfec229 2018-12-17)# docs.rs version
cratesfyi 0.6.0 (2f681cd 2018-12-20)# build log
Updating crates.io index
Downloading crates ...
Downloaded llvm-sys v40.3.0
Fresh version_check v0.1.5
Fresh cfg-if v0.1.6
Fresh ucd-util v0.1.3
Fresh lazy_static v1.2.0
Fresh semver-parser v0.7.0
Fresh utf8-ranges v1.0.2
Fresh cc v1.0.28
Fresh lazy_static v0.2.11
Fresh regex-syntax v0.5.6
Fresh thread_local v0.3.6
Fresh semver v0.6.0
Fresh libc v0.2.46
Fresh memchr v2.1.2
Fresh aho-corasick v0.6.9
Fresh regex v0.2.11
Compiling llvm-sys v40.3.0
Running `rustc --crate-name build_script_build /home/cratesfyi/.cargo/registry/src/github.com-1ecc6299db9ec823/llvm-sys-40.3.0/build.rs --color never --crate-type bin --emit=dep-info,link -C debuginfo=2 -C metadata=7664d47ef5e48931 -C extra-filename=-7664d47ef5e48931 --out-dir /home/cratesfyi/cratesfyi/debug/build/llvm-sys-7664d47ef5e48931 -L dependency=/home/cratesfyi/cratesfyi/debug/deps --extern cc=/home/cratesfyi/cratesfyi/debug/deps/libcc-743ab6870812fc5e.rlib --extern lazy_static=/home/cratesfyi/cratesfyi/debug/deps/liblazy_static-aa0c0ee2d625b1ef.rlib --extern regex=/home/cratesfyi/cratesfyi/debug/deps/libregex-26c86140e17049fd.rlib --extern semver=/home/cratesfyi/cratesfyi/debug/deps/libsemver-a9a2fa923975d5b3.rlib --cap-lints allow`
Running `/home/cratesfyi/cratesfyi/debug/build/llvm-sys-7664d47ef5e48931/build-script-build`
thread 'main' panicked at 'ErrorMessage {
msg: "failed to run custom build command for `llvm-sys v40.3.0`\nprocess didn\'t exit successfully: `/home/cratesfyi/cratesfyi/debug/build/llvm-sys-7664d47ef5e48931/build-script-build` (exit code: 101)\n--- stdout\nDidn\'t find usable system-wide LLVM.\nLLVM_SYS_40_PREFIX not set, not using precompiled binaries\nLLVM_SYS_40_AUTOBUILD not set, will not automatically compile LLVM\n\n--- stderr\nthread \'main\' panicked at \'Could not find a compatible version of LLVM\', /home/cratesfyi/.cargo/registry/src/github.com-1ecc6299db9ec823/llvm-sys-40.3.0/build.rs:77:9\nnote: Run with `RUST_BACKTRACE=1` environment variable to display a backtrace.\n"
}', src/bin/cratesfyi.rs:142:13
note: Run with `RUST_BACKTRACE=1` for a backtrace.