[INFO] crate bb8 0.3.1 is already in cache
[INFO] extracting crate bb8 0.3.1 into work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/bb8/0.3.1
[INFO] extracting crate bb8 0.3.1 into work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/bb8/0.3.1
[INFO] validating manifest of bb8-0.3.1 on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of bb8-0.3.1 on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing bb8-0.3.1
[INFO] finished frobbing bb8-0.3.1
[INFO] frobbed toml for bb8-0.3.1 written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/bb8/0.3.1/Cargo.toml
[INFO] started frobbing bb8-0.3.1
[INFO] finished frobbing bb8-0.3.1
[INFO] frobbed toml for bb8-0.3.1 written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/bb8/0.3.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking bb8-0.3.1 against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-4/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/bb8/0.3.1:/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" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 460e1f83d09d1bb0a820f71cd3928808b3390310d241e34a7369f623b5bbd56c
[INFO] running `"docker" "start" "-a" "460e1f83d09d1bb0a820f71cd3928808b3390310d241e34a7369f623b5bbd56c"`
[INFO] [stderr]     Checking bb8 v0.3.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:47:30
[INFO] [stderr]    |
[INFO] [stderr] 47 |     fn connect(&self) -> Box<Future<Item = Self::Connection, Error = Self::Error> + Send>;
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Self::Connection, Error = Self::Error> + Send`
[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:52:14
[INFO] [stderr]    |
[INFO] [stderr] 52 |     ) -> 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:95:34
[INFO] [stderr]    |
[INFO] [stderr] 95 |     fn boxed_clone(&self) -> Box<ErrorSink<E>>;
[INFO] [stderr]    |                                  ^^^^^^^^^^^^ help: use `dyn`: `dyn ErrorSink<E>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:105:34
[INFO] [stderr]     |
[INFO] [stderr] 105 |     fn boxed_clone(&self) -> Box<ErrorSink<E>> {
[INFO] [stderr]     |                                  ^^^^^^^^^^^^ help: use `dyn`: `dyn ErrorSink<E>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:174:21
[INFO] [stderr]     |
[INFO] [stderr] 174 |     error_sink: Box<ErrorSink<M::Error>>,
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ErrorSink<M::Error>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:285:49
[INFO] [stderr]     |
[INFO] [stderr] 285 |     pub fn error_sink(mut self, error_sink: Box<ErrorSink<M::Error>>) -> Builder<M> {
[INFO] [stderr]     |                                                 ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ErrorSink<M::Error>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:555:10
[INFO] [stderr]     |
[INFO] [stderr] 555 | ) -> Box<Future<Item = (), Error = M::Error> + Send>
[INFO] [stderr]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (), Error = M::Error> + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:588:10
[INFO] [stderr]     |
[INFO] [stderr] 588 | ) -> Box<Future<Item = (), Error = M::Error> + Send>
[INFO] [stderr]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (), Error = M::Error> + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:47:30
[INFO] [stderr]    |
[INFO] [stderr] 47 |     fn connect(&self) -> Box<Future<Item = Self::Connection, Error = Self::Error> + Send>;
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Self::Connection, Error = Self::Error> + Send`
[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:52:14
[INFO] [stderr]    |
[INFO] [stderr] 52 |     ) -> 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:95:34
[INFO] [stderr]    |
[INFO] [stderr] 95 |     fn boxed_clone(&self) -> Box<ErrorSink<E>>;
[INFO] [stderr]    |                                  ^^^^^^^^^^^^ help: use `dyn`: `dyn ErrorSink<E>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:105:34
[INFO] [stderr]     |
[INFO] [stderr] 105 |     fn boxed_clone(&self) -> Box<ErrorSink<E>> {
[INFO] [stderr]     |                                  ^^^^^^^^^^^^ help: use `dyn`: `dyn ErrorSink<E>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:174:21
[INFO] [stderr]     |
[INFO] [stderr] 174 |     error_sink: Box<ErrorSink<M::Error>>,
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ErrorSink<M::Error>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:285:49
[INFO] [stderr]     |
[INFO] [stderr] 285 |     pub fn error_sink(mut self, error_sink: Box<ErrorSink<M::Error>>) -> Builder<M> {
[INFO] [stderr]     |                                                 ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ErrorSink<M::Error>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:555:10
[INFO] [stderr]     |
[INFO] [stderr] 555 | ) -> Box<Future<Item = (), Error = M::Error> + Send>
[INFO] [stderr]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (), Error = M::Error> + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:588:10
[INFO] [stderr]     |
[INFO] [stderr] 588 | ) -> Box<Future<Item = (), Error = M::Error> + Send>
[INFO] [stderr]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (), Error = M::Error> + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> tests/test.rs:57:30
[INFO] [stderr]    |
[INFO] [stderr] 57 |     fn connect(&self) -> Box<Future<Item = Self::Connection, Error = Self::Error> + Send> {
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Self::Connection, Error = Self::Error> + Send`
[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]   --> tests/test.rs:64:14
[INFO] [stderr]    |
[INFO] [stderr] 64 |     ) -> 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]   --> tests/test.rs:94:30
[INFO] [stderr]    |
[INFO] [stderr] 94 |     fn connect(&self) -> Box<Future<Item = Self::Connection, Error = Self::Error> + Send> {
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Self::Connection, Error = Self::Error> + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> tests/test.rs:107:14
[INFO] [stderr]     |
[INFO] [stderr] 107 |     ) -> 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]    --> tests/test.rs:246:34
[INFO] [stderr]     |
[INFO] [stderr] 246 |         fn connect(&self) -> Box<Future<Item = Self::Connection, Error = Self::Error> + Send> {
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Self::Connection, Error = Self::Error> + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> tests/test.rs:253:18
[INFO] [stderr]     |
[INFO] [stderr] 253 |         ) -> 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]    --> tests/test.rs:370:34
[INFO] [stderr]     |
[INFO] [stderr] 370 |         fn connect(&self) -> Box<Future<Item = Self::Connection, Error = Self::Error> + Send> {
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Self::Connection, Error = Self::Error> + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> tests/test.rs:382:18
[INFO] [stderr]     |
[INFO] [stderr] 382 |         ) -> 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]    --> tests/test.rs:611:34
[INFO] [stderr]     |
[INFO] [stderr] 611 |         fn connect(&self) -> Box<Future<Item = Self::Connection, Error = Self::Error> + Send> {
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Self::Connection, Error = Self::Error> + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> tests/test.rs:618:18
[INFO] [stderr]     |
[INFO] [stderr] 618 |         ) -> 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 2.14s
[INFO] running `"docker" "inspect" "460e1f83d09d1bb0a820f71cd3928808b3390310d241e34a7369f623b5bbd56c"`
[INFO] running `"docker" "rm" "-f" "460e1f83d09d1bb0a820f71cd3928808b3390310d241e34a7369f623b5bbd56c"`
[INFO] [stdout] 460e1f83d09d1bb0a820f71cd3928808b3390310d241e34a7369f623b5bbd56c