[INFO] fetching crate rustface 0.1.2...
[INFO] testing rustface-0.1.2 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate rustface 0.1.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate rustface 0.1.2 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 57bbc62b95d5dbb50b0966a00593deed3bb07f9e902435ad5e3026769039030d
[INFO] running `Command { std: "docker" "start" "-a" "57bbc62b95d5dbb50b0966a00593deed3bb07f9e902435ad5e3026769039030d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "57bbc62b95d5dbb50b0966a00593deed3bb07f9e902435ad5e3026769039030d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57bbc62b95d5dbb50b0966a00593deed3bb07f9e902435ad5e3026769039030d", kill_on_drop: false }`
[INFO] [stdout] 57bbc62b95d5dbb50b0966a00593deed3bb07f9e902435ad5e3026769039030d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de4cf1b677942646e3e0638f995d6267113cb1d4b237f18f409565a7b770c643
[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" "de4cf1b677942646e3e0638f995d6267113cb1d4b237f18f409565a7b770c643", kill_on_drop: false }`
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[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 18.77s
[INFO] running `Command { std: "docker" "inspect" "de4cf1b677942646e3e0638f995d6267113cb1d4b237f18f409565a7b770c643", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de4cf1b677942646e3e0638f995d6267113cb1d4b237f18f409565a7b770c643", kill_on_drop: false }`
[INFO] [stdout] de4cf1b677942646e3e0638f995d6267113cb1d4b237f18f409565a7b770c643
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7ce0c049e654c4383e447b965b0c75f3d1258c1de254be1f2692fc19b00c5cb4
[INFO] running `Command { std: "docker" "start" "-a" "7ce0c049e654c4383e447b965b0c75f3d1258c1de254be1f2692fc19b00c5cb4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling adler32 v1.1.0
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling lzw v0.10.0
[INFO] [stderr]    Compiling color_quant v1.0.1
[INFO] [stderr]    Compiling custom_derive v0.1.7
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling conv v0.3.3
[INFO] [stderr]    Compiling inflate v0.4.5
[INFO] [stderr]    Compiling gif v0.10.3
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling stb_truetype v0.3.1
[INFO] [stderr]    Compiling deflate v0.7.20
[INFO] [stderr]    Compiling rand_xoshiro v0.1.0
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling ordered-float v1.1.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling rusttype v0.8.3
[INFO] [stderr]    Compiling png v0.14.1
[INFO] [stderr]    Compiling jpeg-decoder v0.1.20
[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 cast v0.2.3
[INFO] [stderr]    Compiling rusttype v0.7.9
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling criterion-plot v0.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]    Compiling bstr v0.2.13
[INFO] [stderr]    Compiling tiff v0.2.2
[INFO] [stderr]    Compiling image v0.21.3
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling tinytemplate v1.1.0
[INFO] [stderr]    Compiling criterion v0.2.11
[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 1m 06s
[INFO] running `Command { std: "docker" "inspect" "7ce0c049e654c4383e447b965b0c75f3d1258c1de254be1f2692fc19b00c5cb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ce0c049e654c4383e447b965b0c75f3d1258c1de254be1f2692fc19b00c5cb4", kill_on_drop: false }`
[INFO] [stdout] 7ce0c049e654c4383e447b965b0c75f3d1258c1de254be1f2692fc19b00c5cb4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ad230fbba4e219beb1b9b3112eb7c9bb71003387f42b1b60ed6cac0a03bacc52
[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" "ad230fbba4e219beb1b9b3112eb7c9bb71003387f42b1b60ed6cac0a03bacc52", 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]   --> 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] 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]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rustface-9942a1f84cc7f4c9
[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 math::tests::test_square ... ok
[INFO] [stdout] test common::tests::test_seq_take ... ok
[INFO] [stdout] test common::tests::test_seq_take_while ... ok
[INFO] [stdout] test math::tests::test_vector_inner_product ... ok
[INFO] [stdout] test math::tests::test_vector_sub ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rustface
[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" "ad230fbba4e219beb1b9b3112eb7c9bb71003387f42b1b60ed6cac0a03bacc52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad230fbba4e219beb1b9b3112eb7c9bb71003387f42b1b60ed6cac0a03bacc52", kill_on_drop: false }`
[INFO] [stdout] ad230fbba4e219beb1b9b3112eb7c9bb71003387f42b1b60ed6cac0a03bacc52