[INFO] crate bb8-postgres 0.3.0 is already in cache
[INFO] extracting crate bb8-postgres 0.3.0 into work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/reg/bb8-postgres/0.3.0
[INFO] extracting crate bb8-postgres 0.3.0 into work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/reg/bb8-postgres/0.3.0
[INFO] validating manifest of bb8-postgres-0.3.0 on toolchain master#6ea4036cd20a4b1ab1d56e555108c21735ff6946
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of bb8-postgres-0.3.0 on toolchain try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing bb8-postgres-0.3.0
[INFO] finished frobbing bb8-postgres-0.3.0
[INFO] frobbed toml for bb8-postgres-0.3.0 written to work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/reg/bb8-postgres/0.3.0/Cargo.toml
[INFO] started frobbing bb8-postgres-0.3.0
[INFO] finished frobbing bb8-postgres-0.3.0
[INFO] frobbed toml for bb8-postgres-0.3.0 written to work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/reg/bb8-postgres/0.3.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking bb8-postgres-0.3.0 against try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc for pr-62181
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62181/worker-1/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/reg/bb8-postgres/0.3.0:/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" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 98aec233151d3490415a88362ba35e0df3e5302479d2ccffb2518d204e2a7d4f
[INFO] running `"docker" "start" "-a" "98aec233151d3490415a88362ba35e0df3e5302479d2ccffb2518d204e2a7d4f"`
[INFO] [stderr]     Checking futures-state-stream v0.2.0
[INFO] [stderr]    Compiling darling_core v0.8.6
[INFO] [stderr]     Checking bb8 v0.3.0
[INFO] [stderr]    Compiling darling_macro v0.8.6
[INFO] [stderr]    Compiling darling v0.8.6
[INFO] [stderr]    Compiling derive_state_machine_future v0.2.0
[INFO] [stderr]     Checking state_machine_future v0.2.0
[INFO] [stderr]     Checking tokio-postgres v0.4.0-rc.3
[INFO] [stderr] warning[E0381]: use of possibly uninitialized variable: `_`
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-postgres-0.4.0-rc.3/src/proto/copy_in.rs:171:44
[INFO] [stderr]     |
[INFO] [stderr] 171 |               let buf: Box<dyn Buf + Send> = loop {
[INFO] [stderr]     |  ____________________________________________^
[INFO] [stderr] 172 | |                 match try_ready!(state.stream.poll().map_err(Error::copy_in_stream)) {
[INFO] [stderr] 173 | |                     Some(buf) => {
[INFO] [stderr] 174 | |                         let buf = buf.into_buf();
[INFO] [stderr] ...   |
[INFO] [stderr] 191 | |                 }
[INFO] [stderr] 192 | |             };
[INFO] [stderr]     | |_____________^ use of possibly uninitialized value
[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 bb8-postgres v0.3.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:53:14
[INFO] [stderr]    |
[INFO] [stderr] 53 |     ) -> Box<Future<Item = Self::Connection, Error = Self::Error> + Send + 'static> {
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Self::Connection, Error = Self::Error> + Send + 'static`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:68:14
[INFO] [stderr]    |
[INFO] [stderr] 68 |     ) -> Box<Future<Item = Self::Connection, Error = (Self::Error, Self::Connection)> + Send> {
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Self::Connection, Error = (Self::Error, Self::Connection)> + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:53:14
[INFO] [stderr]    |
[INFO] [stderr] 53 |     ) -> Box<Future<Item = Self::Connection, Error = Self::Error> + Send + 'static> {
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Self::Connection, Error = Self::Error> + Send + 'static`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:68:14
[INFO] [stderr]    |
[INFO] [stderr] 68 |     ) -> Box<Future<Item = Self::Connection, Error = (Self::Error, Self::Connection)> + Send> {
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Self::Connection, Error = (Self::Error, Self::Connection)> + Send`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.76s
[INFO] running `"docker" "inspect" "98aec233151d3490415a88362ba35e0df3e5302479d2ccffb2518d204e2a7d4f"`
[INFO] running `"docker" "rm" "-f" "98aec233151d3490415a88362ba35e0df3e5302479d2ccffb2518d204e2a7d4f"`
[INFO] [stdout] 98aec233151d3490415a88362ba35e0df3e5302479d2ccffb2518d204e2a7d4f