[INFO] crate google-libraryagent1 1.0.10+20190703 is already in cache
[INFO] extracting crate google-libraryagent1 1.0.10+20190703 into work/ex/beta-1.38-1/sources/1.37.0/reg/google-libraryagent1/1.0.10+20190703
[INFO] extracting crate google-libraryagent1 1.0.10+20190703 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/google-libraryagent1/1.0.10+20190703
[INFO] validating manifest of google-libraryagent1-1.0.10+20190703 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-libraryagent1-1.0.10+20190703 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-libraryagent1-1.0.10+20190703
[INFO] finished frobbing google-libraryagent1-1.0.10+20190703
[INFO] frobbed toml for google-libraryagent1-1.0.10+20190703 written to work/ex/beta-1.38-1/sources/1.37.0/reg/google-libraryagent1/1.0.10+20190703/Cargo.toml
[INFO] started frobbing google-libraryagent1-1.0.10+20190703
[INFO] finished frobbing google-libraryagent1-1.0.10+20190703
[INFO] frobbed toml for google-libraryagent1-1.0.10+20190703 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/google-libraryagent1/1.0.10+20190703/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-libraryagent1-1.0.10+20190703 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/google-libraryagent1/1.0.10+20190703:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 5cb7871c4c636d75e712e6adde7806e74f9097a50ef92b1e7dea188039f706aa
[INFO] running `"docker" "start" "-a" "5cb7871c4c636d75e712e6adde7806e74f9097a50ef92b1e7dea188039f706aa"`
[INFO] [stderr]    Compiling google-libraryagent1 v1.0.10+20190703 (/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:663:31
[INFO] [stderr]     |
[INFO] [stderr] 663 |     _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:679:27
[INFO] [stderr]     |
[INFO] [stderr] 679 |         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:818:50
[INFO] [stderr]     |
[INFO] [stderr] 818 |     pub fn delegate(mut self, new_value: &'a mut Delegate) -> ShelveBookReturnCall<'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:911:31
[INFO] [stderr]     |
[INFO] [stderr] 911 |     _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:927:27
[INFO] [stderr]     |
[INFO] [stderr] 927 |         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:1066:50
[INFO] [stderr]      |
[INFO] [stderr] 1066 |     pub fn delegate(mut self, new_value: &'a mut Delegate) -> ShelveGetCall<'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:1162:31
[INFO] [stderr]      |
[INFO] [stderr] 1162 |     _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:1178:27
[INFO] [stderr]      |
[INFO] [stderr] 1178 |         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:1317:50
[INFO] [stderr]      |
[INFO] [stderr] 1317 |     pub fn delegate(mut self, new_value: &'a mut Delegate) -> ShelveBookBorrowCall<'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:1414:31
[INFO] [stderr]      |
[INFO] [stderr] 1414 |     _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:1429:27
[INFO] [stderr]      |
[INFO] [stderr] 1429 |         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:1557:50
[INFO] [stderr]      |
[INFO] [stderr] 1557 |     pub fn delegate(mut self, new_value: &'a mut Delegate) -> ShelveListCall<'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:1656:31
[INFO] [stderr]      |
[INFO] [stderr] 1656 |     _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:1672:27
[INFO] [stderr]      |
[INFO] [stderr] 1672 |         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:1835:50
[INFO] [stderr]      |
[INFO] [stderr] 1835 |     pub fn delegate(mut self, new_value: &'a mut Delegate) -> ShelveBookListCall<'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:1928:31
[INFO] [stderr]      |
[INFO] [stderr] 1928 |     _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:1944:27
[INFO] [stderr]      |
[INFO] [stderr] 1944 |         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:2083:50
[INFO] [stderr]      |
[INFO] [stderr] 2083 |     pub fn delegate(mut self, new_value: &'a mut Delegate) -> ShelveBookGetCall<'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 2.66s
[INFO] running `"docker" "inspect" "5cb7871c4c636d75e712e6adde7806e74f9097a50ef92b1e7dea188039f706aa"`
[INFO] running `"docker" "rm" "-f" "5cb7871c4c636d75e712e6adde7806e74f9097a50ef92b1e7dea188039f706aa"`
[INFO] [stdout] 5cb7871c4c636d75e712e6adde7806e74f9097a50ef92b1e7dea188039f706aa
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/google-libraryagent1/1.0.10+20190703:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] f31754d43d43ee25077f161c67a9d97b971a5918195145f46fdf3359f231cfc3
[INFO] running `"docker" "start" "-a" "f31754d43d43ee25077f161c67a9d97b971a5918195145f46fdf3359f231cfc3"`
[INFO] [stderr]    Compiling google-libraryagent1 v1.0.10+20190703 (/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:663:31
[INFO] [stderr]     |
[INFO] [stderr] 663 |     _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:679:27
[INFO] [stderr]     |
[INFO] [stderr] 679 |         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:818:50
[INFO] [stderr]     |
[INFO] [stderr] 818 |     pub fn delegate(mut self, new_value: &'a mut Delegate) -> ShelveBookReturnCall<'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:911:31
[INFO] [stderr]     |
[INFO] [stderr] 911 |     _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:927:27
[INFO] [stderr]     |
[INFO] [stderr] 927 |         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:1066:50
[INFO] [stderr]      |
[INFO] [stderr] 1066 |     pub fn delegate(mut self, new_value: &'a mut Delegate) -> ShelveGetCall<'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:1162:31
[INFO] [stderr]      |
[INFO] [stderr] 1162 |     _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:1178:27
[INFO] [stderr]      |
[INFO] [stderr] 1178 |         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:1317:50
[INFO] [stderr]      |
[INFO] [stderr] 1317 |     pub fn delegate(mut self, new_value: &'a mut Delegate) -> ShelveBookBorrowCall<'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:1414:31
[INFO] [stderr]      |
[INFO] [stderr] 1414 |     _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:1429:27
[INFO] [stderr]      |
[INFO] [stderr] 1429 |         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:1557:50
[INFO] [stderr]      |
[INFO] [stderr] 1557 |     pub fn delegate(mut self, new_value: &'a mut Delegate) -> ShelveListCall<'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:1656:31
[INFO] [stderr]      |
[INFO] [stderr] 1656 |     _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:1672:27
[INFO] [stderr]      |
[INFO] [stderr] 1672 |         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:1835:50
[INFO] [stderr]      |
[INFO] [stderr] 1835 |     pub fn delegate(mut self, new_value: &'a mut Delegate) -> ShelveBookListCall<'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:1928:31
[INFO] [stderr]      |
[INFO] [stderr] 1928 |     _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:1944:27
[INFO] [stderr]      |
[INFO] [stderr] 1944 |         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:2083:50
[INFO] [stderr]      |
[INFO] [stderr] 2083 |     pub fn delegate(mut self, new_value: &'a mut Delegate) -> ShelveBookGetCall<'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 2.06s
[INFO] running `"docker" "inspect" "f31754d43d43ee25077f161c67a9d97b971a5918195145f46fdf3359f231cfc3"`
[INFO] running `"docker" "rm" "-f" "f31754d43d43ee25077f161c67a9d97b971a5918195145f46fdf3359f231cfc3"`
[INFO] [stdout] f31754d43d43ee25077f161c67a9d97b971a5918195145f46fdf3359f231cfc3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/google-libraryagent1/1.0.10+20190703:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 3b6efe21e92927fd2a7337e88366ea1f080f4a3b5db5ed43647156bafcec88bc
[INFO] running `"docker" "start" "-a" "3b6efe21e92927fd2a7337e88366ea1f080f4a3b5db5ed43647156bafcec88bc"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/google_libraryagent1-a14e0db5eedff10a
[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-libraryagent1
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test src/lib.rs -  (line 49) ... ignored
[INFO] [stdout] test src/lib.rs - ShelveBookReturnCall (line 636) ... ok
[INFO] [stdout] test src/lib.rs - Libraryagent (line 258) ... ok
[INFO] [stdout] test src/lib.rs - ShelveGetCall (line 884) ... ok
[INFO] [stdout] test src/lib.rs - ShelveListCall (line 1384) ... ok
[INFO] [stdout] test src/lib.rs - ShelveBookBorrowCall (line 1135) ... ok
[INFO] [stdout] test src/lib.rs - ShelveBookListCall (line 1625) ... ok
[INFO] [stdout] test src/lib.rs - ShelveBookGetCall (line 1901) ... ok
[INFO] [stdout] test src/lib.rs -  (line 81) ... ok
[INFO] [stdout] test src/lib.rs - ShelveMethods (line 473) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "3b6efe21e92927fd2a7337e88366ea1f080f4a3b5db5ed43647156bafcec88bc"`
[INFO] running `"docker" "rm" "-f" "3b6efe21e92927fd2a7337e88366ea1f080f4a3b5db5ed43647156bafcec88bc"`
[INFO] [stdout] 3b6efe21e92927fd2a7337e88366ea1f080f4a3b5db5ed43647156bafcec88bc