[INFO] crate log4rs-routing-appender 0.4.0 is already in cache
[INFO] extracting crate log4rs-routing-appender 0.4.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/log4rs-routing-appender/0.4.0
[INFO] extracting crate log4rs-routing-appender 0.4.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/log4rs-routing-appender/0.4.0
[INFO] validating manifest of log4rs-routing-appender-0.4.0 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 log4rs-routing-appender-0.4.0 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 log4rs-routing-appender-0.4.0
[INFO] finished frobbing log4rs-routing-appender-0.4.0
[INFO] frobbed toml for log4rs-routing-appender-0.4.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/log4rs-routing-appender/0.4.0/Cargo.toml
[INFO] started frobbing log4rs-routing-appender-0.4.0
[INFO] finished frobbing log4rs-routing-appender-0.4.0
[INFO] frobbed toml for log4rs-routing-appender-0.4.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/log4rs-routing-appender/0.4.0/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing log4rs-routing-appender-0.4.0 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-1/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/log4rs-routing-appender/0.4.0:/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=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] 9e4db7334a0768948d05f57df3c1525bd1108b87f19f0ab2efbf7c2e85c6aaf1
[INFO] running `"docker" "start" "-a" "9e4db7334a0768948d05f57df3c1525bd1108b87f19f0ab2efbf7c2e85c6aaf1"`
[INFO] [stderr]    Compiling log4rs v0.8.3
[INFO] [stderr]    Compiling log4rs-routing-appender v0.4.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/route/pattern/template.rs:17:57
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub fn new(pattern: &Value) -> Result<Template, Box<Error + Sync + Send>> {
[INFO] [stderr]    |                                                         ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Sync + 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/route/pattern/template.rs:38:47
[INFO] [stderr]    |
[INFO] [stderr] 38 |     pub fn expand(&self) -> Result<Value, Box<Error + Sync + Send>> {
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Sync + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/route/pattern/template.rs:143:56
[INFO] [stderr]     |
[INFO] [stderr] 143 |     fn new(value: &Value) -> Result<ValueTemplate, Box<Error + Sync + Send>> {
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Sync + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/route/pattern/template.rs:262:43
[INFO] [stderr]     |
[INFO] [stderr] 262 |     fn expand(&self) -> Result<Value, Box<Error + Sync + Send>> {
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Sync + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/route/pattern/mod.rs:72:76
[INFO] [stderr]    |
[INFO] [stderr] 72 |     fn route(&self, _: &Record, cache: &mut Cache) -> Result<Appender, Box<Error + Sync + Send>> {
[INFO] [stderr]    |                                                                            ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Sync + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/route/pattern/mod.rs:99:18
[INFO] [stderr]    |
[INFO] [stderr] 99 |     type Trait = Route;
[INFO] [stderr]    |                  ^^^^^ help: use `dyn`: `dyn Route`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/route/pattern/mod.rs:106:21
[INFO] [stderr]     |
[INFO] [stderr] 106 |     ) -> Result<Box<Route>, Box<Error + Sync + Send>> {
[INFO] [stderr]     |                     ^^^^^ help: use `dyn`: `dyn Route`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/route/pattern/mod.rs:106:33
[INFO] [stderr]     |
[INFO] [stderr] 106 |     ) -> Result<Box<Route>, Box<Error + Sync + Send>> {
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Sync + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/route/mod.rs:92:28
[INFO] [stderr]    |
[INFO] [stderr] 92 |         F: FnOnce() -> Box<Append>,
[INFO] [stderr]    |                            ^^^^^^ help: use `dyn`: `dyn Append`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/route/mod.rs:120:36
[INFO] [stderr]     |
[INFO] [stderr] 120 |     pub fn insert(self, value: Box<Append>) -> Appender {
[INFO] [stderr]     |                                    ^^^^^^ help: use `dyn`: `dyn Append`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/route/mod.rs:132:29
[INFO] [stderr]     |
[INFO] [stderr] 132 | pub struct Appender(Arc<Box<Append>>);
[INFO] [stderr]     |                             ^^^^^^ help: use `dyn`: `dyn Append`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/route/mod.rs:135:28
[INFO] [stderr]     |
[INFO] [stderr] 135 |     fn appender(&self) -> &Append {
[INFO] [stderr]     |                            ^^^^^^ help: use `dyn`: `dyn Append`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/route/mod.rs:147:31
[INFO] [stderr]     |
[INFO] [stderr] 147 |     ) -> Result<Appender, Box<Error + Sync + Send>>;
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Sync + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/route/mod.rs:151:25
[INFO] [stderr]     |
[INFO] [stderr] 151 | impl Deserializable for Route {
[INFO] [stderr]     |                         ^^^^^ help: use `dyn`: `dyn Route`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:113:17
[INFO] [stderr]     |
[INFO] [stderr] 113 |     router: Box<Route>,
[INFO] [stderr]     |                 ^^^^^ help: use `dyn`: `dyn Route`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:126:57
[INFO] [stderr]     |
[INFO] [stderr] 126 |     fn append(&self, record: &Record) -> Result<(), Box<Error + Sync + Send>> {
[INFO] [stderr]     |                                                         ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Sync + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:159:36
[INFO] [stderr]     |
[INFO] [stderr] 159 |     pub fn build(self, router: Box<Route>) -> RoutingAppender {
[INFO] [stderr]     |                                    ^^^^^ help: use `dyn`: `dyn Route`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:194:18
[INFO] [stderr]     |
[INFO] [stderr] 194 |     type Trait = Append;
[INFO] [stderr]     |                  ^^^^^^ help: use `dyn`: `dyn Append`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:201:21
[INFO] [stderr]     |
[INFO] [stderr] 201 |     ) -> Result<Box<Append>, Box<Error + Sync + Send>> {
[INFO] [stderr]     |                     ^^^^^^ help: use `dyn`: `dyn Append`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:201:34
[INFO] [stderr]     |
[INFO] [stderr] 201 |     ) -> Result<Box<Append>, Box<Error + Sync + Send>> {
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Sync + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:281:28
[INFO] [stderr]     |
[INFO] [stderr] 281 |     fn appender(&self) -> &Append;
[INFO] [stderr]     |                            ^^^^^^ help: use `dyn`: `dyn Append`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.55s
[INFO] running `"docker" "inspect" "9e4db7334a0768948d05f57df3c1525bd1108b87f19f0ab2efbf7c2e85c6aaf1"`
[INFO] running `"docker" "rm" "-f" "9e4db7334a0768948d05f57df3c1525bd1108b87f19f0ab2efbf7c2e85c6aaf1"`
[INFO] [stdout] 9e4db7334a0768948d05f57df3c1525bd1108b87f19f0ab2efbf7c2e85c6aaf1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/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/log4rs-routing-appender/0.4.0:/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=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] f4c193b48d763d1751a050aa425fbd9a22a09105e9137585903994ad0be7f684
[INFO] running `"docker" "start" "-a" "f4c193b48d763d1751a050aa425fbd9a22a09105e9137585903994ad0be7f684"`
[INFO] [stderr]    Compiling log4rs-routing-appender v0.4.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/route/pattern/template.rs:17:57
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub fn new(pattern: &Value) -> Result<Template, Box<Error + Sync + Send>> {
[INFO] [stderr]    |                                                         ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Sync + 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/route/pattern/template.rs:38:47
[INFO] [stderr]    |
[INFO] [stderr] 38 |     pub fn expand(&self) -> Result<Value, Box<Error + Sync + Send>> {
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Sync + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/route/pattern/template.rs:143:56
[INFO] [stderr]     |
[INFO] [stderr] 143 |     fn new(value: &Value) -> Result<ValueTemplate, Box<Error + Sync + Send>> {
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Sync + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/route/pattern/template.rs:262:43
[INFO] [stderr]     |
[INFO] [stderr] 262 |     fn expand(&self) -> Result<Value, Box<Error + Sync + Send>> {
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Sync + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/route/pattern/mod.rs:72:76
[INFO] [stderr]    |
[INFO] [stderr] 72 |     fn route(&self, _: &Record, cache: &mut Cache) -> Result<Appender, Box<Error + Sync + Send>> {
[INFO] [stderr]    |                                                                            ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Sync + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/route/pattern/mod.rs:99:18
[INFO] [stderr]    |
[INFO] [stderr] 99 |     type Trait = Route;
[INFO] [stderr]    |                  ^^^^^ help: use `dyn`: `dyn Route`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/route/pattern/mod.rs:106:21
[INFO] [stderr]     |
[INFO] [stderr] 106 |     ) -> Result<Box<Route>, Box<Error + Sync + Send>> {
[INFO] [stderr]     |                     ^^^^^ help: use `dyn`: `dyn Route`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/route/pattern/mod.rs:106:33
[INFO] [stderr]     |
[INFO] [stderr] 106 |     ) -> Result<Box<Route>, Box<Error + Sync + Send>> {
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Sync + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/route/mod.rs:92:28
[INFO] [stderr]    |
[INFO] [stderr] 92 |         F: FnOnce() -> Box<Append>,
[INFO] [stderr]    |                            ^^^^^^ help: use `dyn`: `dyn Append`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/route/mod.rs:120:36
[INFO] [stderr]     |
[INFO] [stderr] 120 |     pub fn insert(self, value: Box<Append>) -> Appender {
[INFO] [stderr]     |                                    ^^^^^^ help: use `dyn`: `dyn Append`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/route/mod.rs:132:29
[INFO] [stderr]     |
[INFO] [stderr] 132 | pub struct Appender(Arc<Box<Append>>);
[INFO] [stderr]     |                             ^^^^^^ help: use `dyn`: `dyn Append`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/route/mod.rs:135:28
[INFO] [stderr]     |
[INFO] [stderr] 135 |     fn appender(&self) -> &Append {
[INFO] [stderr]     |                            ^^^^^^ help: use `dyn`: `dyn Append`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/route/mod.rs:147:31
[INFO] [stderr]     |
[INFO] [stderr] 147 |     ) -> Result<Appender, Box<Error + Sync + Send>>;
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Sync + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/route/mod.rs:151:25
[INFO] [stderr]     |
[INFO] [stderr] 151 | impl Deserializable for Route {
[INFO] [stderr]     |                         ^^^^^ help: use `dyn`: `dyn Route`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:113:17
[INFO] [stderr]     |
[INFO] [stderr] 113 |     router: Box<Route>,
[INFO] [stderr]     |                 ^^^^^ help: use `dyn`: `dyn Route`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:126:57
[INFO] [stderr]     |
[INFO] [stderr] 126 |     fn append(&self, record: &Record) -> Result<(), Box<Error + Sync + Send>> {
[INFO] [stderr]     |                                                         ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Sync + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:159:36
[INFO] [stderr]     |
[INFO] [stderr] 159 |     pub fn build(self, router: Box<Route>) -> RoutingAppender {
[INFO] [stderr]     |                                    ^^^^^ help: use `dyn`: `dyn Route`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:194:18
[INFO] [stderr]     |
[INFO] [stderr] 194 |     type Trait = Append;
[INFO] [stderr]     |                  ^^^^^^ help: use `dyn`: `dyn Append`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:201:21
[INFO] [stderr]     |
[INFO] [stderr] 201 |     ) -> Result<Box<Append>, Box<Error + Sync + Send>> {
[INFO] [stderr]     |                     ^^^^^^ help: use `dyn`: `dyn Append`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:201:34
[INFO] [stderr]     |
[INFO] [stderr] 201 |     ) -> Result<Box<Append>, Box<Error + Sync + Send>> {
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Sync + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:281:28
[INFO] [stderr]     |
[INFO] [stderr] 281 |     fn appender(&self) -> &Append;
[INFO] [stderr]     |                            ^^^^^^ help: use `dyn`: `dyn Append`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> tests/pattern.rs:29:52
[INFO] [stderr]    |
[INFO] [stderr] 29 |     fn append(&self, _: &Record) -> Result<(), Box<Error + Sync + Send>> {
[INFO] [stderr]    |                                                    ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Sync + 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/pattern.rs:41:18
[INFO] [stderr]    |
[INFO] [stderr] 41 |     type Trait = Append;
[INFO] [stderr]    |                  ^^^^^^ help: use `dyn`: `dyn Append`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> tests/pattern.rs:47:21
[INFO] [stderr]    |
[INFO] [stderr] 47 |     ) -> Result<Box<Append>, Box<Error + Sync + Send>> {
[INFO] [stderr]    |                     ^^^^^^ help: use `dyn`: `dyn Append`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> tests/pattern.rs:47:34
[INFO] [stderr]    |
[INFO] [stderr] 47 |     ) -> Result<Box<Append>, Box<Error + Sync + Send>> {
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Sync + Send`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.01s
[INFO] running `"docker" "inspect" "f4c193b48d763d1751a050aa425fbd9a22a09105e9137585903994ad0be7f684"`
[INFO] running `"docker" "rm" "-f" "f4c193b48d763d1751a050aa425fbd9a22a09105e9137585903994ad0be7f684"`
[INFO] [stdout] f4c193b48d763d1751a050aa425fbd9a22a09105e9137585903994ad0be7f684
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/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/log4rs-routing-appender/0.4.0:/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=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] 5ea909535fad4d710c7befcf54938e2b77492afb36db6dced2f9565c78644918
[INFO] running `"docker" "start" "-a" "5ea909535fad4d710c7befcf54938e2b77492afb36db6dced2f9565c78644918"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/log4rs_routing_appender-a81a36109bb4bc33
[INFO] [stderr]      Running /opt/crater/target/debug/deps/pattern-0c6644d9a746649d
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test pattern ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests log4rs-routing-appender
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs -  (line 23) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "5ea909535fad4d710c7befcf54938e2b77492afb36db6dced2f9565c78644918"`
[INFO] running `"docker" "rm" "-f" "5ea909535fad4d710c7befcf54938e2b77492afb36db6dced2f9565c78644918"`
[INFO] [stdout] 5ea909535fad4d710c7befcf54938e2b77492afb36db6dced2f9565c78644918