[INFO] crate google-tasks1 1.0.10+20190628 is already in cache
[INFO] extracting crate google-tasks1 1.0.10+20190628 into work/ex/beta-1.38-1/sources/1.37.0/reg/google-tasks1/1.0.10+20190628
[INFO] extracting crate google-tasks1 1.0.10+20190628 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/google-tasks1/1.0.10+20190628
[INFO] validating manifest of google-tasks1-1.0.10+20190628 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of google-tasks1-1.0.10+20190628 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing google-tasks1-1.0.10+20190628
[INFO] finished frobbing google-tasks1-1.0.10+20190628
[INFO] frobbed toml for google-tasks1-1.0.10+20190628 written to work/ex/beta-1.38-1/sources/1.37.0/reg/google-tasks1/1.0.10+20190628/Cargo.toml
[INFO] started frobbing google-tasks1-1.0.10+20190628
[INFO] finished frobbing google-tasks1-1.0.10+20190628
[INFO] frobbed toml for google-tasks1-1.0.10+20190628 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/google-tasks1/1.0.10+20190628/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing google-tasks1-1.0.10+20190628 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/google-tasks1/1.0.10+20190628:/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=warn" "-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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] c2db2eac338794139a621e432af32d637a8ba21f7224e8cf61360c41119f2668
[INFO] running `"docker" "start" "-a" "c2db2eac338794139a621e432af32d637a8ba21f7224e8cf61360c41119f2668"`
[INFO] [stderr]    Compiling google-tasks1 v1.0.10+20190628 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/cmn.rs:166:31
[INFO] [stderr]     |
[INFO] [stderr] 166 |     fn token(&mut self, err: &error::Error) -> Option<oauth2::Token> {
[INFO] [stderr]     |                               ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[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/cmn.rs:277:22
[INFO] [stderr]     |
[INFO] [stderr] 277 |     MissingToken(Box<error::Error>),
[INFO] [stderr]     |                      ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/cmn.rs:342:32
[INFO] [stderr]     |
[INFO] [stderr] 342 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/cmn.rs:368:38
[INFO] [stderr]     |
[INFO] [stderr] 368 |     raw_parts: Vec<(Headers, &'a mut Read)>,
[INFO] [stderr]     |                                      ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/cmn.rs:369:52
[INFO] [stderr]     |
[INFO] [stderr] 369 |     current_part: Option<(Cursor<Vec<u8>>, &'a mut Read)>,
[INFO] [stderr]     |                                                    ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/cmn.rs:391:48
[INFO] [stderr]     |
[INFO] [stderr] 391 |     pub fn add_part(&mut self, reader: &'a mut Read, size: u64, mime_type: Mime) -> &mut MultiPartReader<'a> {
[INFO] [stderr]     |                                                ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/cmn.rs:616:27
[INFO] [stderr]     |
[INFO] [stderr] 616 |     pub delegate: &'a mut Delegate,
[INFO] [stderr]     |                           ^^^^^^^^ help: use `dyn`: `dyn Delegate`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/cmn.rs:622:25
[INFO] [stderr]     |
[INFO] [stderr] 622 |     pub reader: &'a mut ReadSeek,
[INFO] [stderr]     |                         ^^^^^^^^ help: use `dyn`: `dyn ReadSeek`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:974:31
[INFO] [stderr]     |
[INFO] [stderr] 974 |     _delegate: Option<&'a mut Delegate>,
[INFO] [stderr]     |                               ^^^^^^^^ help: use `dyn`: `dyn Delegate`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:989:27
[INFO] [stderr]     |
[INFO] [stderr] 989 |         let mut dlg: &mut Delegate = match self._delegate {
[INFO] [stderr]     |                           ^^^^^^^^ help: use `dyn`: `dyn Delegate`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1225:50
[INFO] [stderr]      |
[INFO] [stderr] 1225 |     pub fn delegate(mut self, new_value: &'a mut Delegate) -> TaskListCall<'a, C, A> {
[INFO] [stderr]      |                                                  ^^^^^^^^ help: use `dyn`: `dyn Delegate`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1322:31
[INFO] [stderr]      |
[INFO] [stderr] 1322 |     _delegate: Option<&'a mut Delegate>,
[INFO] [stderr]      |                               ^^^^^^^^ help: use `dyn`: `dyn Delegate`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1337:27
[INFO] [stderr]      |
[INFO] [stderr] 1337 |         let mut dlg: &mut Delegate = match self._delegate {
[INFO] [stderr]      |                           ^^^^^^^^ help: use `dyn`: `dyn Delegate`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1508:50
[INFO] [stderr]      |
[INFO] [stderr] 1508 |     pub fn delegate(mut self, new_value: &'a mut Delegate) -> TaskUpdateCall<'a, C, A> {
[INFO] [stderr]      |                                                  ^^^^^^^^ help: use `dyn`: `dyn Delegate`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1605:31
[INFO] [stderr]      |
[INFO] [stderr] 1605 |     _delegate: Option<&'a mut Delegate>,
[INFO] [stderr]      |                               ^^^^^^^^ help: use `dyn`: `dyn Delegate`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1620:27
[INFO] [stderr]      |
[INFO] [stderr] 1620 |         let mut dlg: &mut Delegate = match self._delegate {
[INFO] [stderr]      |                           ^^^^^^^^ help: use `dyn`: `dyn Delegate`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1791:50
[INFO] [stderr]      |
[INFO] [stderr] 1791 |     pub fn delegate(mut self, new_value: &'a mut Delegate) -> TaskPatchCall<'a, C, A> {
[INFO] [stderr]      |                                                  ^^^^^^^^ help: use `dyn`: `dyn Delegate`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1880:31
[INFO] [stderr]      |
[INFO] [stderr] 1880 |     _delegate: Option<&'a mut Delegate>,
[INFO] [stderr]      |                               ^^^^^^^^ help: use `dyn`: `dyn Delegate`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1895:27
[INFO] [stderr]      |
[INFO] [stderr] 1895 |         let mut dlg: &mut Delegate = match self._delegate {
[INFO] [stderr]      |                           ^^^^^^^^ help: use `dyn`: `dyn Delegate`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:2020:50
[INFO] [stderr]      |
[INFO] [stderr] 2020 |     pub fn delegate(mut self, new_value: &'a mut Delegate) -> TaskClearCall<'a, C, A> {
[INFO] [stderr]      |                                                  ^^^^^^^^ help: use `dyn`: `dyn Delegate`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:2114:31
[INFO] [stderr]      |
[INFO] [stderr] 2114 |     _delegate: Option<&'a mut Delegate>,
[INFO] [stderr]      |                               ^^^^^^^^ help: use `dyn`: `dyn Delegate`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:2129:27
[INFO] [stderr]      |
[INFO] [stderr] 2129 |         let mut dlg: &mut Delegate = match self._delegate {
[INFO] [stderr]      |                           ^^^^^^^^ help: use `dyn`: `dyn Delegate`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:2296:50
[INFO] [stderr]      |
[INFO] [stderr] 2296 |     pub fn delegate(mut self, new_value: &'a mut Delegate) -> TaskMoveCall<'a, C, A> {
[INFO] [stderr]      |                                                  ^^^^^^^^ help: use `dyn`: `dyn Delegate`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:2386:31
[INFO] [stderr]      |
[INFO] [stderr] 2386 |     _delegate: Option<&'a mut Delegate>,
[INFO] [stderr]      |                               ^^^^^^^^ help: use `dyn`: `dyn Delegate`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:2401:27
[INFO] [stderr]      |
[INFO] [stderr] 2401 |         let mut dlg: &mut Delegate = match self._delegate {
[INFO] [stderr]      |                           ^^^^^^^^ help: use `dyn`: `dyn Delegate`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:2537:50
[INFO] [stderr]      |
[INFO] [stderr] 2537 |     pub fn delegate(mut self, new_value: &'a mut Delegate) -> TaskDeleteCall<'a, C, A> {
[INFO] [stderr]      |                                                  ^^^^^^^^ help: use `dyn`: `dyn Delegate`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:2627:31
[INFO] [stderr]      |
[INFO] [stderr] 2627 |     _delegate: Option<&'a mut Delegate>,
[INFO] [stderr]      |                               ^^^^^^^^ help: use `dyn`: `dyn Delegate`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:2642:27
[INFO] [stderr]      |
[INFO] [stderr] 2642 |         let mut dlg: &mut Delegate = match self._delegate {
[INFO] [stderr]      |                           ^^^^^^^^ help: use `dyn`: `dyn Delegate`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:2789:50
[INFO] [stderr]      |
[INFO] [stderr] 2789 |     pub fn delegate(mut self, new_value: &'a mut Delegate) -> TaskGetCall<'a, C, A> {
[INFO] [stderr]      |                                                  ^^^^^^^^ help: use `dyn`: `dyn Delegate`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:2889:31
[INFO] [stderr]      |
[INFO] [stderr] 2889 |     _delegate: Option<&'a mut Delegate>,
[INFO] [stderr]      |                               ^^^^^^^^ help: use `dyn`: `dyn Delegate`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:2904:27
[INFO] [stderr]      |
[INFO] [stderr] 2904 |         let mut dlg: &mut Delegate = match self._delegate {
[INFO] [stderr]      |                           ^^^^^^^^ help: use `dyn`: `dyn Delegate`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:3084:50
[INFO] [stderr]      |
[INFO] [stderr] 3084 |     pub fn delegate(mut self, new_value: &'a mut Delegate) -> TaskInsertCall<'a, C, A> {
[INFO] [stderr]      |                                                  ^^^^^^^^ help: use `dyn`: `dyn Delegate`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:3176:31
[INFO] [stderr]      |
[INFO] [stderr] 3176 |     _delegate: Option<&'a mut Delegate>,
[INFO] [stderr]      |                               ^^^^^^^^ help: use `dyn`: `dyn Delegate`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:3191:27
[INFO] [stderr]      |
[INFO] [stderr] 3191 |         let mut dlg: &mut Delegate = match self._delegate {
[INFO] [stderr]      |                           ^^^^^^^^ help: use `dyn`: `dyn Delegate`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:3315:50
[INFO] [stderr]      |
[INFO] [stderr] 3315 |     pub fn delegate(mut self, new_value: &'a mut Delegate) -> TasklistListCall<'a, C, A> {
[INFO] [stderr]      |                                                  ^^^^^^^^ help: use `dyn`: `dyn Delegate`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:3411:31
[INFO] [stderr]      |
[INFO] [stderr] 3411 |     _delegate: Option<&'a mut Delegate>,
[INFO] [stderr]      |                               ^^^^^^^^ help: use `dyn`: `dyn Delegate`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:3426:27
[INFO] [stderr]      |
[INFO] [stderr] 3426 |         let mut dlg: &mut Delegate = match self._delegate {
[INFO] [stderr]      |                           ^^^^^^^^ help: use `dyn`: `dyn Delegate`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:3586:50
[INFO] [stderr]      |
[INFO] [stderr] 3586 |     pub fn delegate(mut self, new_value: &'a mut Delegate) -> TasklistUpdateCall<'a, C, A> {
[INFO] [stderr]      |                                                  ^^^^^^^^ help: use `dyn`: `dyn Delegate`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:3675:31
[INFO] [stderr]      |
[INFO] [stderr] 3675 |     _delegate: Option<&'a mut Delegate>,
[INFO] [stderr]      |                               ^^^^^^^^ help: use `dyn`: `dyn Delegate`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:3690:27
[INFO] [stderr]      |
[INFO] [stderr] 3690 |         let mut dlg: &mut Delegate = match self._delegate {
[INFO] [stderr]      |                           ^^^^^^^^ help: use `dyn`: `dyn Delegate`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:3815:50
[INFO] [stderr]      |
[INFO] [stderr] 3815 |     pub fn delegate(mut self, new_value: &'a mut Delegate) -> TasklistDeleteCall<'a, C, A> {
[INFO] [stderr]      |                                                  ^^^^^^^^ help: use `dyn`: `dyn Delegate`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:3911:31
[INFO] [stderr]      |
[INFO] [stderr] 3911 |     _delegate: Option<&'a mut Delegate>,
[INFO] [stderr]      |                               ^^^^^^^^ help: use `dyn`: `dyn Delegate`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:3926:27
[INFO] [stderr]      |
[INFO] [stderr] 3926 |         let mut dlg: &mut Delegate = match self._delegate {
[INFO] [stderr]      |                           ^^^^^^^^ help: use `dyn`: `dyn Delegate`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:4086:50
[INFO] [stderr]      |
[INFO] [stderr] 4086 |     pub fn delegate(mut self, new_value: &'a mut Delegate) -> TasklistPatchCall<'a, C, A> {
[INFO] [stderr]      |                                                  ^^^^^^^^ help: use `dyn`: `dyn Delegate`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:4181:31
[INFO] [stderr]      |
[INFO] [stderr] 4181 |     _delegate: Option<&'a mut Delegate>,
[INFO] [stderr]      |                               ^^^^^^^^ help: use `dyn`: `dyn Delegate`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:4196:27
[INFO] [stderr]      |
[INFO] [stderr] 4196 |         let mut dlg: &mut Delegate = match self._delegate {
[INFO] [stderr]      |                           ^^^^^^^^ help: use `dyn`: `dyn Delegate`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:4324:50
[INFO] [stderr]      |
[INFO] [stderr] 4324 |     pub fn delegate(mut self, new_value: &'a mut Delegate) -> TasklistInsertCall<'a, C, A> {
[INFO] [stderr]      |                                                  ^^^^^^^^ help: use `dyn`: `dyn Delegate`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:4413:31
[INFO] [stderr]      |
[INFO] [stderr] 4413 |     _delegate: Option<&'a mut Delegate>,
[INFO] [stderr]      |                               ^^^^^^^^ help: use `dyn`: `dyn Delegate`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:4428:27
[INFO] [stderr]      |
[INFO] [stderr] 4428 |         let mut dlg: &mut Delegate = match self._delegate {
[INFO] [stderr]      |                           ^^^^^^^^ help: use `dyn`: `dyn Delegate`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:4564:50
[INFO] [stderr]      |
[INFO] [stderr] 4564 |     pub fn delegate(mut self, new_value: &'a mut Delegate) -> TasklistGetCall<'a, C, A> {
[INFO] [stderr]      |                                                  ^^^^^^^^ help: use `dyn`: `dyn Delegate`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/cmn.rs:344:46
[INFO] [stderr]     |
[INFO] [stderr] 344 |             Error::HttpError(ref err) => err.cause(),
[INFO] [stderr]     |                                              ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/cmn.rs:345:55
[INFO] [stderr]     |
[INFO] [stderr] 345 |             Error::JsonDecodeError(_, ref err) => err.cause(),
[INFO] [stderr]     |                                                       ^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.46s
[INFO] running `"docker" "inspect" "c2db2eac338794139a621e432af32d637a8ba21f7224e8cf61360c41119f2668"`
[INFO] running `"docker" "rm" "-f" "c2db2eac338794139a621e432af32d637a8ba21f7224e8cf61360c41119f2668"`
[INFO] [stdout] c2db2eac338794139a621e432af32d637a8ba21f7224e8cf61360c41119f2668
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/google-tasks1/1.0.10+20190628:/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 885769b92c61d777b8d786e17b29ea6a7f6fbf648674959062008cc1d0b42471
[INFO] running `"docker" "start" "-a" "885769b92c61d777b8d786e17b29ea6a7f6fbf648674959062008cc1d0b42471"`
[INFO] [stderr]    Compiling google-tasks1 v1.0.10+20190628 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/cmn.rs:166:31
[INFO] [stderr]     |
[INFO] [stderr] 166 |     fn token(&mut self, err: &error::Error) -> Option<oauth2::Token> {
[INFO] [stderr]     |                               ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[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/cmn.rs:277:22
[INFO] [stderr]     |
[INFO] [stderr] 277 |     MissingToken(Box<error::Error>),
[INFO] [stderr]     |                      ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/cmn.rs:342:32
[INFO] [stderr]     |
[INFO] [stderr] 342 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/cmn.rs:368:38
[INFO] [stderr]     |
[INFO] [stderr] 368 |     raw_parts: Vec<(Headers, &'a mut Read)>,
[INFO] [stderr]     |                                      ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/cmn.rs:369:52
[INFO] [stderr]     |
[INFO] [stderr] 369 |     current_part: Option<(Cursor<Vec<u8>>, &'a mut Read)>,
[INFO] [stderr]     |                                                    ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/cmn.rs:391:48
[INFO] [stderr]     |
[INFO] [stderr] 391 |     pub fn add_part(&mut self, reader: &'a mut Read, size: u64, mime_type: Mime) -> &mut MultiPartReader<'a> {
[INFO] [stderr]     |                                                ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/cmn.rs:616:27
[INFO] [stderr]     |
[INFO] [stderr] 616 |     pub delegate: &'a mut Delegate,
[INFO] [stderr]     |                           ^^^^^^^^ help: use `dyn`: `dyn Delegate`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/cmn.rs:622:25
[INFO] [stderr]     |
[INFO] [stderr] 622 |     pub reader: &'a mut ReadSeek,
[INFO] [stderr]     |                         ^^^^^^^^ help: use `dyn`: `dyn ReadSeek`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:974:31
[INFO] [stderr]     |
[INFO] [stderr] 974 |     _delegate: Option<&'a mut Delegate>,
[INFO] [stderr]     |                               ^^^^^^^^ help: use `dyn`: `dyn Delegate`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:989:27
[INFO] [stderr]     |
[INFO] [stderr] 989 |         let mut dlg: &mut Delegate = match self._delegate {
[INFO] [stderr]     |                           ^^^^^^^^ help: use `dyn`: `dyn Delegate`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1225:50
[INFO] [stderr]      |
[INFO] [stderr] 1225 |     pub fn delegate(mut self, new_value: &'a mut Delegate) -> TaskListCall<'a, C, A> {
[INFO] [stderr]      |                                                  ^^^^^^^^ help: use `dyn`: `dyn Delegate`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1322:31
[INFO] [stderr]      |
[INFO] [stderr] 1322 |     _delegate: Option<&'a mut Delegate>,
[INFO] [stderr]      |                               ^^^^^^^^ help: use `dyn`: `dyn Delegate`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1337:27
[INFO] [stderr]      |
[INFO] [stderr] 1337 |         let mut dlg: &mut Delegate = match self._delegate {
[INFO] [stderr]      |                           ^^^^^^^^ help: use `dyn`: `dyn Delegate`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1508:50
[INFO] [stderr]      |
[INFO] [stderr] 1508 |     pub fn delegate(mut self, new_value: &'a mut Delegate) -> TaskUpdateCall<'a, C, A> {
[INFO] [stderr]      |                                                  ^^^^^^^^ help: use `dyn`: `dyn Delegate`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1605:31
[INFO] [stderr]      |
[INFO] [stderr] 1605 |     _delegate: Option<&'a mut Delegate>,
[INFO] [stderr]      |                               ^^^^^^^^ help: use `dyn`: `dyn Delegate`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1620:27
[INFO] [stderr]      |
[INFO] [stderr] 1620 |         let mut dlg: &mut Delegate = match self._delegate {
[INFO] [stderr]      |                           ^^^^^^^^ help: use `dyn`: `dyn Delegate`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1791:50
[INFO] [stderr]      |
[INFO] [stderr] 1791 |     pub fn delegate(mut self, new_value: &'a mut Delegate) -> TaskPatchCall<'a, C, A> {
[INFO] [stderr]      |                                                  ^^^^^^^^ help: use `dyn`: `dyn Delegate`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1880:31
[INFO] [stderr]      |
[INFO] [stderr] 1880 |     _delegate: Option<&'a mut Delegate>,
[INFO] [stderr]      |                               ^^^^^^^^ help: use `dyn`: `dyn Delegate`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1895:27
[INFO] [stderr]      |
[INFO] [stderr] 1895 |         let mut dlg: &mut Delegate = match self._delegate {
[INFO] [stderr]      |                           ^^^^^^^^ help: use `dyn`: `dyn Delegate`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:2020:50
[INFO] [stderr]      |
[INFO] [stderr] 2020 |     pub fn delegate(mut self, new_value: &'a mut Delegate) -> TaskClearCall<'a, C, A> {
[INFO] [stderr]      |                                                  ^^^^^^^^ help: use `dyn`: `dyn Delegate`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:2114:31
[INFO] [stderr]      |
[INFO] [stderr] 2114 |     _delegate: Option<&'a mut Delegate>,
[INFO] [stderr]      |                               ^^^^^^^^ help: use `dyn`: `dyn Delegate`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:2129:27
[INFO] [stderr]      |
[INFO] [stderr] 2129 |         let mut dlg: &mut Delegate = match self._delegate {
[INFO] [stderr]      |                           ^^^^^^^^ help: use `dyn`: `dyn Delegate`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:2296:50
[INFO] [stderr]      |
[INFO] [stderr] 2296 |     pub fn delegate(mut self, new_value: &'a mut Delegate) -> TaskMoveCall<'a, C, A> {
[INFO] [stderr]      |                                                  ^^^^^^^^ help: use `dyn`: `dyn Delegate`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:2386:31
[INFO] [stderr]      |
[INFO] [stderr] 2386 |     _delegate: Option<&'a mut Delegate>,
[INFO] [stderr]      |                               ^^^^^^^^ help: use `dyn`: `dyn Delegate`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:2401:27
[INFO] [stderr]      |
[INFO] [stderr] 2401 |         let mut dlg: &mut Delegate = match self._delegate {
[INFO] [stderr]      |                           ^^^^^^^^ help: use `dyn`: `dyn Delegate`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:2537:50
[INFO] [stderr]      |
[INFO] [stderr] 2537 |     pub fn delegate(mut self, new_value: &'a mut Delegate) -> TaskDeleteCall<'a, C, A> {
[INFO] [stderr]      |                                                  ^^^^^^^^ help: use `dyn`: `dyn Delegate`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:2627:31
[INFO] [stderr]      |
[INFO] [stderr] 2627 |     _delegate: Option<&'a mut Delegate>,
[INFO] [stderr]      |                               ^^^^^^^^ help: use `dyn`: `dyn Delegate`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:2642:27
[INFO] [stderr]      |
[INFO] [stderr] 2642 |         let mut dlg: &mut Delegate = match self._delegate {
[INFO] [stderr]      |                           ^^^^^^^^ help: use `dyn`: `dyn Delegate`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:2789:50
[INFO] [stderr]      |
[INFO] [stderr] 2789 |     pub fn delegate(mut self, new_value: &'a mut Delegate) -> TaskGetCall<'a, C, A> {
[INFO] [stderr]      |                                                  ^^^^^^^^ help: use `dyn`: `dyn Delegate`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:2889:31
[INFO] [stderr]      |
[INFO] [stderr] 2889 |     _delegate: Option<&'a mut Delegate>,
[INFO] [stderr]      |                               ^^^^^^^^ help: use `dyn`: `dyn Delegate`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:2904:27
[INFO] [stderr]      |
[INFO] [stderr] 2904 |         let mut dlg: &mut Delegate = match self._delegate {
[INFO] [stderr]      |                           ^^^^^^^^ help: use `dyn`: `dyn Delegate`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:3084:50
[INFO] [stderr]      |
[INFO] [stderr] 3084 |     pub fn delegate(mut self, new_value: &'a mut Delegate) -> TaskInsertCall<'a, C, A> {
[INFO] [stderr]      |                                                  ^^^^^^^^ help: use `dyn`: `dyn Delegate`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:3176:31
[INFO] [stderr]      |
[INFO] [stderr] 3176 |     _delegate: Option<&'a mut Delegate>,
[INFO] [stderr]      |                               ^^^^^^^^ help: use `dyn`: `dyn Delegate`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:3191:27
[INFO] [stderr]      |
[INFO] [stderr] 3191 |         let mut dlg: &mut Delegate = match self._delegate {
[INFO] [stderr]      |                           ^^^^^^^^ help: use `dyn`: `dyn Delegate`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:3315:50
[INFO] [stderr]      |
[INFO] [stderr] 3315 |     pub fn delegate(mut self, new_value: &'a mut Delegate) -> TasklistListCall<'a, C, A> {
[INFO] [stderr]      |                                                  ^^^^^^^^ help: use `dyn`: `dyn Delegate`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:3411:31
[INFO] [stderr]      |
[INFO] [stderr] 3411 |     _delegate: Option<&'a mut Delegate>,
[INFO] [stderr]      |                               ^^^^^^^^ help: use `dyn`: `dyn Delegate`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:3426:27
[INFO] [stderr]      |
[INFO] [stderr] 3426 |         let mut dlg: &mut Delegate = match self._delegate {
[INFO] [stderr]      |                           ^^^^^^^^ help: use `dyn`: `dyn Delegate`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:3586:50
[INFO] [stderr]      |
[INFO] [stderr] 3586 |     pub fn delegate(mut self, new_value: &'a mut Delegate) -> TasklistUpdateCall<'a, C, A> {
[INFO] [stderr]      |                                                  ^^^^^^^^ help: use `dyn`: `dyn Delegate`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:3675:31
[INFO] [stderr]      |
[INFO] [stderr] 3675 |     _delegate: Option<&'a mut Delegate>,
[INFO] [stderr]      |                               ^^^^^^^^ help: use `dyn`: `dyn Delegate`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:3690:27
[INFO] [stderr]      |
[INFO] [stderr] 3690 |         let mut dlg: &mut Delegate = match self._delegate {
[INFO] [stderr]      |                           ^^^^^^^^ help: use `dyn`: `dyn Delegate`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:3815:50
[INFO] [stderr]      |
[INFO] [stderr] 3815 |     pub fn delegate(mut self, new_value: &'a mut Delegate) -> TasklistDeleteCall<'a, C, A> {
[INFO] [stderr]      |                                                  ^^^^^^^^ help: use `dyn`: `dyn Delegate`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:3911:31
[INFO] [stderr]      |
[INFO] [stderr] 3911 |     _delegate: Option<&'a mut Delegate>,
[INFO] [stderr]      |                               ^^^^^^^^ help: use `dyn`: `dyn Delegate`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:3926:27
[INFO] [stderr]      |
[INFO] [stderr] 3926 |         let mut dlg: &mut Delegate = match self._delegate {
[INFO] [stderr]      |                           ^^^^^^^^ help: use `dyn`: `dyn Delegate`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:4086:50
[INFO] [stderr]      |
[INFO] [stderr] 4086 |     pub fn delegate(mut self, new_value: &'a mut Delegate) -> TasklistPatchCall<'a, C, A> {
[INFO] [stderr]      |                                                  ^^^^^^^^ help: use `dyn`: `dyn Delegate`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:4181:31
[INFO] [stderr]      |
[INFO] [stderr] 4181 |     _delegate: Option<&'a mut Delegate>,
[INFO] [stderr]      |                               ^^^^^^^^ help: use `dyn`: `dyn Delegate`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:4196:27
[INFO] [stderr]      |
[INFO] [stderr] 4196 |         let mut dlg: &mut Delegate = match self._delegate {
[INFO] [stderr]      |                           ^^^^^^^^ help: use `dyn`: `dyn Delegate`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:4324:50
[INFO] [stderr]      |
[INFO] [stderr] 4324 |     pub fn delegate(mut self, new_value: &'a mut Delegate) -> TasklistInsertCall<'a, C, A> {
[INFO] [stderr]      |                                                  ^^^^^^^^ help: use `dyn`: `dyn Delegate`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:4413:31
[INFO] [stderr]      |
[INFO] [stderr] 4413 |     _delegate: Option<&'a mut Delegate>,
[INFO] [stderr]      |                               ^^^^^^^^ help: use `dyn`: `dyn Delegate`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:4428:27
[INFO] [stderr]      |
[INFO] [stderr] 4428 |         let mut dlg: &mut Delegate = match self._delegate {
[INFO] [stderr]      |                           ^^^^^^^^ help: use `dyn`: `dyn Delegate`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:4564:50
[INFO] [stderr]      |
[INFO] [stderr] 4564 |     pub fn delegate(mut self, new_value: &'a mut Delegate) -> TasklistGetCall<'a, C, A> {
[INFO] [stderr]      |                                                  ^^^^^^^^ help: use `dyn`: `dyn Delegate`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/cmn.rs:344:46
[INFO] [stderr]     |
[INFO] [stderr] 344 |             Error::HttpError(ref err) => err.cause(),
[INFO] [stderr]     |                                              ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/cmn.rs:345:55
[INFO] [stderr]     |
[INFO] [stderr] 345 |             Error::JsonDecodeError(_, ref err) => err.cause(),
[INFO] [stderr]     |                                                       ^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.23s
[INFO] running `"docker" "inspect" "885769b92c61d777b8d786e17b29ea6a7f6fbf648674959062008cc1d0b42471"`
[INFO] running `"docker" "rm" "-f" "885769b92c61d777b8d786e17b29ea6a7f6fbf648674959062008cc1d0b42471"`
[INFO] [stdout] 885769b92c61d777b8d786e17b29ea6a7f6fbf648674959062008cc1d0b42471
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/google-tasks1/1.0.10+20190628:/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] fe6065a6d142361cd8f307782db1a82575924cd0ba5dd57a3f8fc6f7c268c712
[INFO] running `"docker" "start" "-a" "fe6065a6d142361cd8f307782db1a82575924cd0ba5dd57a3f8fc6f7c268c712"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/google_tasks1-bef9658844709c23
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests google-tasks1
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test src/lib.rs -  (line 51) ... ignored
[INFO] [stdout] test src/lib.rs - TaskClearCall (line 1853) ... ok
[INFO] [stdout] test src/lib.rs - TaskListCall (line 927) ... ok
[INFO] [stdout] test src/lib.rs -  (line 88) ... ok
[INFO] [stdout] test src/lib.rs - TaskMethods (line 566) ... ok
[INFO] [stdout] test src/lib.rs - TaskGetCall (line 2599) ... ok
[INFO] [stdout] test src/lib.rs - TaskInsertCall (line 2851) ... ok
[INFO] [stdout] test src/lib.rs - TaskDeleteCall (line 2358) ... ok
[INFO] [stdout] test src/lib.rs - TaskMoveCall (line 2082) ... ok
[INFO] [stdout] test src/lib.rs - TaskPatchCall (line 1570) ... ok
[INFO] [stdout] test src/lib.rs - TaskUpdateCall (line 1287) ... ok
[INFO] [stdout] test src/lib.rs - TasklistDeleteCall (line 3648) ... ok
[INFO] [stdout] test src/lib.rs - TasklistInsertCall (line 4148) ... ok
[INFO] [stdout] test src/lib.rs - TasklistGetCall (line 4386) ... ok
[INFO] [stdout] test src/lib.rs - TasklistMethods (line 774) ... ok
[INFO] [stdout] test src/lib.rs - TasklistPatchCall (line 3877) ... ok
[INFO] [stdout] test src/lib.rs - TasklistListCall (line 3146) ... ok
[INFO] [stdout] test src/lib.rs - TasklistUpdateCall (line 3377) ... ok
[INFO] [stdout] test src/lib.rs - TasksHub (line 279) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "fe6065a6d142361cd8f307782db1a82575924cd0ba5dd57a3f8fc6f7c268c712"`
[INFO] running `"docker" "rm" "-f" "fe6065a6d142361cd8f307782db1a82575924cd0ba5dd57a3f8fc6f7c268c712"`
[INFO] [stdout] fe6065a6d142361cd8f307782db1a82575924cd0ba5dd57a3f8fc6f7c268c712