llvm-sys 50.3.1

# rustc version
rustc 1.37.0-nightly (8aa42ed7c 2019-06-24)# docs.rs version
cratesfyi 0.6.0 (9f9fa7c 2019-06-25)# build log
Updating crates.io index
Downloading crates ...
Downloaded llvm-sys v50.3.1
Fresh lazy_static v1.3.0
Fresh ucd-util v0.1.3
Fresh semver-parser v0.7.0
Fresh utf8-ranges v1.0.3
Fresh lazy_static v0.2.11
Fresh cc v1.0.37
Fresh thread_local v0.3.6
Fresh regex-syntax v0.5.6
Compiling semver v0.6.0
Fresh memchr v2.2.1
Fresh libc v0.2.59
Fresh aho-corasick v0.6.10
Fresh regex v0.2.11
Running `rustc --crate-name semver /home/cratesfyi/.cargo/registry/src/github.com-1ecc6299db9ec823/semver-0.6.0/src/lib.rs --color never --crate-type lib --emit=dep-info,metadata,link -C debuginfo=2 --cfg 'feature="default"' -C metadata=78efc8e9938ab3ba -C extra-filename=-78efc8e9938ab3ba --out-dir /home/cratesfyi/cratesfyi/debug/deps -L dependency=/home/cratesfyi/cratesfyi/debug/deps --extern semver_parser=/home/cratesfyi/cratesfyi/debug/deps/libsemver_parser-6d18c701d5b68074.rlib --cap-lints allow`
Compiling llvm-sys v50.3.1
Running `rustc --crate-name build_script_build /home/cratesfyi/.cargo/registry/src/github.com-1ecc6299db9ec823/llvm-sys-50.3.1/build.rs --color never --crate-type bin --emit=dep-info,link -C debuginfo=2 -C metadata=d3a81faa91554360 -C extra-filename=-d3a81faa91554360 --out-dir /home/cratesfyi/cratesfyi/debug/build/llvm-sys-d3a81faa91554360 -L dependency=/home/cratesfyi/cratesfyi/debug/deps --extern cc=/home/cratesfyi/cratesfyi/debug/deps/libcc-052a9b7abea4f397.rlib --extern lazy_static=/home/cratesfyi/cratesfyi/debug/deps/liblazy_static-3da3871e835c39e8.rlib --extern regex=/home/cratesfyi/cratesfyi/debug/deps/libregex-300c7c6ea1df6d54.rlib --extern semver=/home/cratesfyi/cratesfyi/debug/deps/libsemver-78efc8e9938ab3ba.rlib --cap-lints allow`
Running `/home/cratesfyi/cratesfyi/debug/build/llvm-sys-d3a81faa91554360/build-script-build`
thread 'main' panicked at 'ProcessError { desc: "process didn\'t exit successfully: `/home/cratesfyi/cratesfyi/debug/build/llvm-sys-d3a81faa91554360/build-script-build` (exit code: 101)\n--- stdout\nDidn\'t find usable system-wide LLVM.\nLLVM_SYS_50_PREFIX not set, not using precompiled binaries\nLLVM_SYS_50_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-50.3.1/build.rs:77:9\nnote: run with `RUST_BACKTRACE=1` environment variable to display a backtrace.\n", exit: Some(ExitStatus(ExitStatus(25856))), output: Some(Output { status: ExitStatus(ExitStatus(25856)), stdout: "Didn\'t find usable system-wide LLVM.\nLLVM_SYS_50_PREFIX not set, not using precompiled binaries\nLLVM_SYS_50_AUTOBUILD not set, will not automatically compile LLVM\n", stderr: "thread \'main\' panicked at \'Could not find a compatible version of LLVM\', /home/cratesfyi/.cargo/registry/src/github.com-1ecc6299db9ec823/llvm-sys-50.3.1/build.rs:77:9\nnote: run with `RUST_BACKTRACE=1` environment variable to display a backtrace.\n" }) }

failed to run custom build command for `llvm-sys v50.3.1`', src/bin/cratesfyi.rs:160:13
note: Run with `RUST_BACKTRACE=1` environment variable to display a backtrace.