[INFO] updating cached repository giovanniberti/dbench
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/giovanniberti/dbench
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/giovanniberti/dbench" "work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/giovanniberti/dbench"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/giovanniberti/dbench'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/giovanniberti/dbench" "work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/giovanniberti/dbench"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/giovanniberti/dbench'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3263f5ed5a25979f9d9954c49cc96e44708a97ae
[INFO] sha for GitHub repo giovanniberti/dbench: 3263f5ed5a25979f9d9954c49cc96e44708a97ae
[INFO] validating manifest of giovanniberti/dbench on toolchain master#c43d03a19f326f4a323569328cc501e86eb6d22e
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of giovanniberti/dbench on toolchain try#75eff020d0923c035c2fe220db4a0465cd847048
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing giovanniberti/dbench
[INFO] finished frobbing giovanniberti/dbench
[INFO] frobbed toml for giovanniberti/dbench written to work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/giovanniberti/dbench/Cargo.toml
[INFO] started frobbing giovanniberti/dbench
[INFO] finished frobbing giovanniberti/dbench
[INFO] frobbed toml for giovanniberti/dbench written to work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/giovanniberti/dbench/Cargo.toml
[INFO] crate giovanniberti/dbench already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking giovanniberti/dbench against master#c43d03a19f326f4a323569328cc501e86eb6d22e for pr-63565
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63565/worker-0/master#c43d03a19f326f4a323569328cc501e86eb6d22e:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/giovanniberti/dbench:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 48eb4099f026302feff2819866c85dc036d9be1d3474c0b423659d145543dbbe
[INFO] running `"docker" "start" "-a" "48eb4099f026302feff2819866c85dc036d9be1d3474c0b423659d145543dbbe"`
[INFO] [stderr]     Checking libc v0.2.18
[INFO] [stderr]     Checking num-traits v0.1.36
[INFO] [stderr]     Checking rustc-serialize v0.3.22
[INFO] [stderr]     Checking md5 v0.2.1
[INFO] [stderr]     Checking hex v0.2.0
[INFO] [stderr]     Checking fallible-iterator v0.1.3
[INFO] [stderr]     Checking phf_shared v0.7.20
[INFO] [stderr]     Checking unicode-normalization v0.1.3
[INFO] [stderr]     Checking bufstream v0.1.2
[INFO] [stderr]     Checking strsim v0.5.2
[INFO] [stderr]     Checking uuid v0.3.1
[INFO] [stderr]     Checking unicode-segmentation v0.1.3
[INFO] [stderr]     Checking fnv v1.0.5
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking nom v1.2.4
[INFO] [stderr]     Checking vec_map v0.6.0
[INFO] [stderr]     Checking unicode-bidi v0.2.4
[INFO] [stderr]     Checking r2d2 v0.7.1
[INFO] [stderr]     Checking phf v0.7.20
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking termios v0.2.2
[INFO] [stderr]     Checking num_cpus v1.2.1
[INFO] [stderr]     Checking term_size v0.2.1
[INFO] [stderr]     Checking num-integer v0.1.32
[INFO] [stderr]     Checking postgres-protocol v0.2.0
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking time v0.1.35
[INFO] [stderr]     Checking rpassword v0.3.0
[INFO] [stderr]     Checking clap v2.19.2
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking idna v0.1.0
[INFO] [stderr]     Checking num-iter v0.1.32
[INFO] [stderr]     Checking postgres v0.13.4
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking twox-hash v1.0.0
[INFO] [stderr]     Checking deque v0.3.1
[INFO] [stderr]     Checking rayon v0.6.0
[INFO] [stderr]     Checking url v1.2.4
[INFO] [stderr]     Checking r2d2_postgres v0.11.1
[INFO] [stderr] warning[E0713]: borrow may still be in use when destructor runs
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/url-1.2.4/src/form_urlencoded.rs:246:40
[INFO] [stderr]     |
[INFO] [stderr] 244 | impl<'a> Target for ::UrlQuery<'a> {
[INFO] [stderr]     |      -- lifetime `'a` defined here
[INFO] [stderr] 245 |     fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization }
[INFO] [stderr] 246 |     fn finish(self) -> &'a mut ::Url { self.url }
[INFO] [stderr]     |                                        ^^^^^^^^ - here, drop of `self` needs exclusive access to `*self.url`, because the type `UrlQuery<'_>` implements the `Drop` trait
[INFO] [stderr]     |                                        |
[INFO] [stderr]     |                                        returning this value requires that `*self.url` is borrowed for `'a`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this error has been downgraded to a warning for backwards compatibility with previous releases
[INFO] [stderr]     = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future
[INFO] [stderr]     = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr]     Checking num-bigint v0.1.35
[INFO] [stderr]     Checking num-complex v0.1.35
[INFO] [stderr]     Checking num-rational v0.1.35
[INFO] [stderr]     Checking num v0.1.36
[INFO] [stderr]     Checking chrono v0.2.25
[INFO] [stderr]     Checking mysql v8.0.0
[INFO] [stderr] error: trait `io::IoPack` is private
[INFO] [stderr]     --> /opt/crater/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/crater/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/crater/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" "48eb4099f026302feff2819866c85dc036d9be1d3474c0b423659d145543dbbe"`
[INFO] running `"docker" "rm" "-f" "48eb4099f026302feff2819866c85dc036d9be1d3474c0b423659d145543dbbe"`
[INFO] [stdout] 48eb4099f026302feff2819866c85dc036d9be1d3474c0b423659d145543dbbe