[INFO] fetching crate exonum_librocksdb-sys 0.5.5...
[INFO] crate exonum_librocksdb-sys 0.5.5 is already in cache
[INFO] crate exonum_librocksdb-sys 0.5.5 is already in cache
[INFO] crate exonum_librocksdb-sys 0.5.5 is already in cache
[INFO] crate exonum_librocksdb-sys 0.5.5 is already in cache
[INFO] crate exonum_librocksdb-sys 0.5.5 is already in cache
[INFO] crate exonum_librocksdb-sys 0.5.5 is already in cache
[INFO] crate exonum_librocksdb-sys 0.5.5 is already in cache
[INFO] crate exonum_librocksdb-sys 0.5.5 is already in cache
[INFO] crate exonum_librocksdb-sys 0.5.5 is already in cache
[INFO] crate exonum_librocksdb-sys 0.5.5 is already in cache
[INFO] crate exonum_librocksdb-sys 0.5.5 is already in cache
[INFO] crate exonum_librocksdb-sys 0.5.5 is already in cache
[INFO] crate exonum_librocksdb-sys 0.5.5 is already in cache
[INFO] crate exonum_librocksdb-sys 0.5.5 is already in cache
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.