# rustc version rustc 1.39.0-nightly (b9de4ef89 2019-09-03)# docs.rs version cratesfyi 0.6.0 (f01dedd 2019-07-30)# build log Updating crates.io index thread 'main' panicked at 'ErrorMessage { msg: "no library targets found in package `scryer-prolog`", }', src/bin/cratesfyi.rs:161:13 note: Run with `RUST_BACKTRACE=1` environment variable to display a backtrace.