[INFO] crate rustface 0.1.2 is already in cache
[INFO] testing rustface-0.1.2 against 1.45.2 for beta-1.46-1
[INFO] extracting crate rustface 0.1.2 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate rustface 0.1.2 on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rustface 0.1.2
[INFO] finished tweaking crates.io crate rustface 0.1.2
[INFO] tweaked toml for crates.io crate rustface 0.1.2 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dc07cc40b55fc5e8812d8b4b1c483ddcac25b64492b125eb05686d90db5c550b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "dc07cc40b55fc5e8812d8b4b1c483ddcac25b64492b125eb05686d90db5c550b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc07cc40b55fc5e8812d8b4b1c483ddcac25b64492b125eb05686d90db5c550b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc07cc40b55fc5e8812d8b4b1c483ddcac25b64492b125eb05686d90db5c550b", kill_on_drop: false }`
[INFO] [stdout] dc07cc40b55fc5e8812d8b4b1c483ddcac25b64492b125eb05686d90db5c550b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 38f8233087ec776322b3d9f611db5515ad3c6231451702ec64a728eda92b45df
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "38f8233087ec776322b3d9f611db5515ad3c6231451702ec64a728eda92b45df", kill_on_drop: false }`
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling rustface v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/classifier/surf_mlp_classifier.rs:158:16
[INFO] [stdout]     |
[INFO] [stdout] 158 | type ActFunc = Fn(f32) -> f32 + Sync;
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f32) -> f32 + Sync`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/model/mod.rs:30:26
[INFO] [stdout]    |
[INFO] [stdout] 30 |     classifiers: Vec<Box<Classifier>>,
[INFO] [stdout]    |                          ^^^^^^^^^^ help: use `dyn`: `dyn Classifier`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/model/mod.rs:46:55
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn get_classifiers(&mut self) -> &mut Vec<Box<Classifier>> {
[INFO] [stdout]    |                                                       ^^^^^^^^^^ help: use `dyn`: `dyn Classifier`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/model/mod.rs:141:21
[INFO] [stdout]     |
[INFO] [stdout] 141 |     ) -> Result<Box<Classifier>, io::Error> {
[INFO] [stdout]     |                     ^^^^^^^^^^ help: use `dyn`: `dyn Classifier`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:38:59
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub fn create_detector(path_to_model: &str) -> Result<Box<Detector>, io::Error> {
[INFO] [stdout]    |                                                           ^^^^^^^^ help: use `dyn`: `dyn Detector`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:44:56
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub fn create_detector_with_model(model: Model) -> Box<Detector> {
[INFO] [stdout]    |                                                        ^^^^^^^^ help: use `dyn`: `dyn Detector`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.32s
[INFO] running `Command { std: "docker" "inspect" "38f8233087ec776322b3d9f611db5515ad3c6231451702ec64a728eda92b45df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38f8233087ec776322b3d9f611db5515ad3c6231451702ec64a728eda92b45df", kill_on_drop: false }`
[INFO] [stdout] 38f8233087ec776322b3d9f611db5515ad3c6231451702ec64a728eda92b45df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e5e07b210a6d34e00607aeb60b5a5d6fd2adadf98b193bf369c892513ffcbdb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6e5e07b210a6d34e00607aeb60b5a5d6fd2adadf98b193bf369c892513ffcbdb", kill_on_drop: false }`
[INFO] [stderr]    Compiling custom_derive v0.1.7
[INFO] [stderr]    Compiling stb_truetype v0.3.1
[INFO] [stderr]    Compiling ordered-float v1.1.0
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling image v0.21.3
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/classifier/surf_mlp_classifier.rs:158:16
[INFO] [stdout]     |
[INFO] [stdout] 158 | type ActFunc = Fn(f32) -> f32 + Sync;
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f32) -> f32 + Sync`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/model/mod.rs:30:26
[INFO] [stdout]    |
[INFO] [stdout] 30 |     classifiers: Vec<Box<Classifier>>,
[INFO] [stdout]    |                          ^^^^^^^^^^ help: use `dyn`: `dyn Classifier`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/model/mod.rs:46:55
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn get_classifiers(&mut self) -> &mut Vec<Box<Classifier>> {
[INFO] [stdout]    |                                                       ^^^^^^^^^^ help: use `dyn`: `dyn Classifier`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/model/mod.rs:141:21
[INFO] [stdout]     |
[INFO] [stdout] 141 |     ) -> Result<Box<Classifier>, io::Error> {
[INFO] [stdout]     |                     ^^^^^^^^^^ help: use `dyn`: `dyn Classifier`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:38:59
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub fn create_detector(path_to_model: &str) -> Result<Box<Detector>, io::Error> {
[INFO] [stdout]    |                                                           ^^^^^^^^ help: use `dyn`: `dyn Detector`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:44:56
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub fn create_detector_with_model(model: Model) -> Box<Detector> {
[INFO] [stdout]    |                                                        ^^^^^^^^ help: use `dyn`: `dyn Detector`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling conv v0.3.3
[INFO] [stderr]    Compiling rusttype v0.8.3
[INFO] [stderr]    Compiling rusttype v0.7.9
[INFO] [stderr]    Compiling imageproc v0.18.0
[INFO] [stderr]    Compiling rustface v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> examples/image_demo.rs:80:32
[INFO] [stdout]    |
[INFO] [stdout] 80 | fn detect_faces(detector: &mut Detector, gray: &GrayImage) -> Vec<FaceInfo> {
[INFO] [stdout]    |                                ^^^^^^^^ help: use `dyn`: `dyn Detector`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/classifier/surf_mlp_classifier.rs:158:16
[INFO] [stdout]     |
[INFO] [stdout] 158 | type ActFunc = Fn(f32) -> f32 + Sync;
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f32) -> f32 + Sync`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/model/mod.rs:30:26
[INFO] [stdout]    |
[INFO] [stdout] 30 |     classifiers: Vec<Box<Classifier>>,
[INFO] [stdout]    |                          ^^^^^^^^^^ help: use `dyn`: `dyn Classifier`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/model/mod.rs:46:55
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn get_classifiers(&mut self) -> &mut Vec<Box<Classifier>> {
[INFO] [stdout]    |                                                       ^^^^^^^^^^ help: use `dyn`: `dyn Classifier`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/model/mod.rs:141:21
[INFO] [stdout]     |
[INFO] [stdout] 141 |     ) -> Result<Box<Classifier>, io::Error> {
[INFO] [stdout]     |                     ^^^^^^^^^^ help: use `dyn`: `dyn Classifier`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:38:59
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub fn create_detector(path_to_model: &str) -> Result<Box<Detector>, io::Error> {
[INFO] [stdout]    |                                                           ^^^^^^^^ help: use `dyn`: `dyn Detector`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:44:56
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub fn create_detector_with_model(model: Model) -> Box<Detector> {
[INFO] [stdout]    |                                                        ^^^^^^^^ help: use `dyn`: `dyn Detector`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 18.58s
[INFO] running `Command { std: "docker" "inspect" "6e5e07b210a6d34e00607aeb60b5a5d6fd2adadf98b193bf369c892513ffcbdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e5e07b210a6d34e00607aeb60b5a5d6fd2adadf98b193bf369c892513ffcbdb", kill_on_drop: false }`
[INFO] [stdout] 6e5e07b210a6d34e00607aeb60b5a5d6fd2adadf98b193bf369c892513ffcbdb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 73e21f0f749683d684ff25ff3a448b452c721ccb354ec6f66bd6bf533e04b719
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "73e21f0f749683d684ff25ff3a448b452c721ccb354ec6f66bd6bf533e04b719", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/classifier/surf_mlp_classifier.rs:158:16
[INFO] [stderr]     |
[INFO] [stderr] 158 | type ActFunc = Fn(f32) -> f32 + Sync;
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f32) -> f32 + Sync`
[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/model/mod.rs:30:26
[INFO] [stderr]    |
[INFO] [stderr] 30 |     classifiers: Vec<Box<Classifier>>,
[INFO] [stderr]    |                          ^^^^^^^^^^ help: use `dyn`: `dyn Classifier`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/model/mod.rs:46:55
[INFO] [stderr]    |
[INFO] [stderr] 46 |     pub fn get_classifiers(&mut self) -> &mut Vec<Box<Classifier>> {
[INFO] [stderr]    |                                                       ^^^^^^^^^^ help: use `dyn`: `dyn Classifier`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/model/mod.rs:141:21
[INFO] [stderr]     |
[INFO] [stderr] 141 |     ) -> Result<Box<Classifier>, io::Error> {
[INFO] [stderr]     |                     ^^^^^^^^^^ help: use `dyn`: `dyn Classifier`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:38:59
[INFO] [stderr]    |
[INFO] [stderr] 38 | pub fn create_detector(path_to_model: &str) -> Result<Box<Detector>, io::Error> {
[INFO] [stderr]    |                                                           ^^^^^^^^ help: use `dyn`: `dyn Detector`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:44:56
[INFO] [stderr]    |
[INFO] [stderr] 44 | pub fn create_detector_with_model(model: Model) -> Box<Detector> {
[INFO] [stderr]    |                                                        ^^^^^^^^ help: use `dyn`: `dyn Detector`
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/classifier/surf_mlp_classifier.rs:158:16
[INFO] [stderr]     |
[INFO] [stderr] 158 | type ActFunc = Fn(f32) -> f32 + Sync;
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f32) -> f32 + Sync`
[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/model/mod.rs:30:26
[INFO] [stderr]    |
[INFO] [stderr] 30 |     classifiers: Vec<Box<Classifier>>,
[INFO] [stderr]    |                          ^^^^^^^^^^ help: use `dyn`: `dyn Classifier`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/model/mod.rs:46:55
[INFO] [stderr]    |
[INFO] [stderr] 46 |     pub fn get_classifiers(&mut self) -> &mut Vec<Box<Classifier>> {
[INFO] [stderr]    |                                                       ^^^^^^^^^^ help: use `dyn`: `dyn Classifier`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/model/mod.rs:141:21
[INFO] [stderr]     |
[INFO] [stderr] 141 |     ) -> Result<Box<Classifier>, io::Error> {
[INFO] [stderr]     |                     ^^^^^^^^^^ help: use `dyn`: `dyn Classifier`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:38:59
[INFO] [stderr]    |
[INFO] [stderr] 38 | pub fn create_detector(path_to_model: &str) -> Result<Box<Detector>, io::Error> {
[INFO] [stderr]    |                                                           ^^^^^^^^ help: use `dyn`: `dyn Detector`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:44:56
[INFO] [stderr]    |
[INFO] [stderr] 44 | pub fn create_detector_with_model(model: Model) -> Box<Detector> {
[INFO] [stderr]    |                                                        ^^^^^^^^ help: use `dyn`: `dyn Detector`
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> examples/image_demo.rs:80:32
[INFO] [stderr]    |
[INFO] [stderr] 80 | fn detect_faces(detector: &mut Detector, gray: &GrayImage) -> Vec<FaceInfo> {
[INFO] [stderr]    |                                ^^^^^^^^ help: use `dyn`: `dyn Detector`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.27s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rustface-ebf0b111657f2acf
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test math::tests::test_abs ... ok
[INFO] [stdout] test math::tests::test_vector_add ... ok
[INFO] [stdout] test common::tests::test_seq_take_while ... ok
[INFO] [stdout] test math::tests::test_square ... ok
[INFO] [stdout] test math::tests::test_vector_sub ... ok
[INFO] [stdout] test math::tests::test_vector_inner_product ... ok
[INFO] [stderr]    Doc-tests rustface
[INFO] [stdout] test common::tests::test_seq_take ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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] running `Command { std: "docker" "inspect" "73e21f0f749683d684ff25ff3a448b452c721ccb354ec6f66bd6bf533e04b719", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73e21f0f749683d684ff25ff3a448b452c721ccb354ec6f66bd6bf533e04b719", kill_on_drop: false }`
[INFO] [stdout] 73e21f0f749683d684ff25ff3a448b452c721ccb354ec6f66bd6bf533e04b719