[INFO] crate dbench 0.1.0 is already in cache
[INFO] testing dbench-0.1.0 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate dbench 0.1.0 into work/builds/worker-4/source
[INFO] validating manifest of crates.io crate dbench 0.1.0 on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate dbench 0.1.0
[INFO] finished tweaking crates.io crate dbench 0.1.0
[INFO] tweaked toml for crates.io crate dbench 0.1.0 written to work/builds/worker-4/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] eb668bee1efb072d9319d308ac548905a978ce0acb42e11792a400173f229e06
[INFO] running `"docker" "start" "-a" "eb668bee1efb072d9319d308ac548905a978ce0acb42e11792a400173f229e06"`
[INFO] [stderr]    Compiling rpassword v0.3.1
[INFO] [stderr]    Compiling twox-hash v1.0.1
[INFO] [stderr]    Compiling mysql v8.0.0
[INFO] [stderr] error: trait `io::IoPack` is private
[INFO] [stderr]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mysql-8.0.0/src/conn/mod.rs:1043:35
[INFO] [stderr]      |
[INFO] [stderr] 1043 |         let (data, seq_id) = try!(self.get_mut_stream().as_mut().read_packet(old_seq_id));
[INFO] [stderr]      |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: trait `io::IoPack` is private
[INFO] [stderr]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mysql-8.0.0/src/conn/mod.rs:1050:27
[INFO] [stderr]      |
[INFO] [stderr] 1050 |         let seq_id = try!(self.get_mut_stream().as_mut().drop_packet(old_seq_id));
[INFO] [stderr]      |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: trait `io::IoPack` is private
[INFO] [stderr]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mysql-8.0.0/src/conn/mod.rs:1058:28
[INFO] [stderr]      |
[INFO] [stderr] 1058 |         self.seq_id = try!(self.get_mut_stream().as_mut().write_packet(data, seq_id, max_allowed_packet));
[INFO] [stderr]      |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `mysql`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "eb668bee1efb072d9319d308ac548905a978ce0acb42e11792a400173f229e06"`
[INFO] running `"docker" "rm" "-f" "eb668bee1efb072d9319d308ac548905a978ce0acb42e11792a400173f229e06"`
[INFO] [stdout] eb668bee1efb072d9319d308ac548905a978ce0acb42e11792a400173f229e06