[INFO] fetching crate rust-ml 0.1.5...
[INFO] checking rust-ml-0.1.5 against master#f5e2df741b4a9820a7579f0c8eccc951706a8782 for pr-147995
[INFO] extracting crate rust-ml 0.1.5 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate rust-ml 0.1.5
[INFO] finished tweaking crates.io crate rust-ml 0.1.5
[INFO] tweaked toml for crates.io crate rust-ml 0.1.5 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rust-ml 0.1.5 on toolchain f5e2df741b4a9820a7579f0c8eccc951706a8782
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f5e2df741b4a9820a7579f0c8eccc951706a8782" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rust-ml 0.1.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f5e2df741b4a9820a7579f0c8eccc951706a8782" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+f5e2df741b4a9820a7579f0c8eccc951706a8782" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9eba2ec08f10d88daada74fc9b57436b5d8ad77b3b6ceea48d06b30eac9f5336
[INFO] running `Command { std: "docker" "start" "-a" "9eba2ec08f10d88daada74fc9b57436b5d8ad77b3b6ceea48d06b30eac9f5336", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9eba2ec08f10d88daada74fc9b57436b5d8ad77b3b6ceea48d06b30eac9f5336", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9eba2ec08f10d88daada74fc9b57436b5d8ad77b3b6ceea48d06b30eac9f5336", kill_on_drop: false }`
[INFO] [stdout] 9eba2ec08f10d88daada74fc9b57436b5d8ad77b3b6ceea48d06b30eac9f5336
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+f5e2df741b4a9820a7579f0c8eccc951706a8782" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d5ef53028add029420d36551abd3003134936bb7fe13719d7c102ad747972ff1
[INFO] running `Command { std: "docker" "start" "-a" "d5ef53028add029420d36551abd3003134936bb7fe13719d7c102ad747972ff1", kill_on_drop: false }`
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[INFO] [stderr]     Checking rust-ml v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> src/model/core/param_collection.rs:8:26
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn get<D: Dimension>(&self, key: &str) -> Result<ArrayView<f64, D>, ModelError>;
[INFO] [stdout]   |                          ^^^^^                       ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]   |                          |
[INFO] [stdout]   |                          the lifetime is elided here
[INFO] [stdout]   |
[INFO] [stdout]   = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]   = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn get<D: Dimension>(&self, key: &str) -> Result<ArrayView<'_, f64, D>, ModelError>;
[INFO] [stdout]   |                                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/model/core/param_collection.rs:10:30
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn get_mut<D: Dimension>(&mut self, key: &str) -> Result<ArrayViewMut<f64, D>, ModelError>;
[INFO] [stdout]    |                              ^^^^^^^^^                       ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                              |
[INFO] [stdout]    |                              the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn get_mut<D: Dimension>(&mut self, key: &str) -> Result<ArrayViewMut<'_, f64, D>, ModelError>;
[INFO] [stdout]    |                                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/model/core/param_collection.rs:16:19
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn param_iter(&self) -> Vec<(&str, ArrayView<f64, IxDyn>)>;
[INFO] [stdout]    |                   ^^^^^          ^^^^  ^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                   |              |
[INFO] [stdout]    |                   |              the same lifetime is elided here
[INFO] [stdout]    |                   the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn param_iter(&self) -> Vec<(&str, ArrayView<'_, f64, IxDyn>)>;
[INFO] [stdout]    |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/model/core/param_collection.rs:21:35
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn get_gradient<D: Dimension>(&self, key: &str) -> Result<ArrayView<f64, D>, ModelError>;
[INFO] [stdout]    |                                   ^^^^^                       ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                   |
[INFO] [stdout]    |                                   the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn get_gradient<D: Dimension>(&self, key: &str) -> Result<ArrayView<'_, f64, D>, ModelError>;
[INFO] [stdout]    |                                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/model/linear_regression.rs:70:35
[INFO] [stdout]    |
[INFO] [stdout] 70 |     fn get<D: ndarray::Dimension>(&self, key: &str) -> Result<ArrayView<f64, D>, ModelError> {
[INFO] [stdout]    |                                   ^^^^^                       ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                   |
[INFO] [stdout]    |                                   the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 70 |     fn get<D: ndarray::Dimension>(&self, key: &str) -> Result<ArrayView<'_, f64, D>, ModelError> {
[INFO] [stdout]    |                                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/model/linear_regression.rs:79:9
[INFO] [stdout]    |
[INFO] [stdout] 79 |         &mut self,
[INFO] [stdout]    |         ^^^^^^^^^ the lifetime is elided here
[INFO] [stdout] 80 |         key: &str,
[INFO] [stdout] 81 |     ) -> Result<ndarray::ArrayViewMut<f64, D>, ModelError> {
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 81 |     ) -> Result<ndarray::ArrayViewMut<'_, f64, D>, ModelError> {
[INFO] [stdout]    |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/model/linear_regression.rs:109:19
[INFO] [stdout]     |
[INFO] [stdout] 109 |     fn param_iter(&self) -> Vec<(&str, ArrayView<f64, ndarray::IxDyn>)> {
[INFO] [stdout]     |                   ^^^^^          ^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                   |              |
[INFO] [stdout]     |                   |              the same lifetime is elided here
[INFO] [stdout]     |                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 109 |     fn param_iter(&self) -> Vec<(&str, ArrayView<'_, f64, ndarray::IxDyn>)> {
[INFO] [stdout]     |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/model/linear_regression.rs:119:9
[INFO] [stdout]     |
[INFO] [stdout] 119 |         &self,
[INFO] [stdout]     |         ^^^^^ the lifetime is elided here
[INFO] [stdout] 120 |         key: &str,
[INFO] [stdout] 121 |     ) -> Result<ArrayView<f64, D>, ModelError> {
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 121 |     ) -> Result<ArrayView<'_, f64, D>, ModelError> {
[INFO] [stdout]     |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/model/logistic_regression.rs:116:26
[INFO] [stdout]     |
[INFO] [stdout] 116 |     fn get<D: Dimension>(&self, key: &str) -> Result<ArrayView<f64, D>, ModelError> {
[INFO] [stdout]     |                          ^^^^^                       ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 116 |     fn get<D: Dimension>(&self, key: &str) -> Result<ArrayView<'_, f64, D>, ModelError> {
[INFO] [stdout]     |                                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/model/logistic_regression.rs:124:30
[INFO] [stdout]     |
[INFO] [stdout] 124 |     fn get_mut<D: Dimension>(&mut self, key: &str) -> Result<ArrayViewMut<f64, D>, ModelError> {
[INFO] [stdout]     |                              ^^^^^^^^^                       ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                              |
[INFO] [stdout]     |                              the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 124 |     fn get_mut<D: Dimension>(&mut self, key: &str) -> Result<ArrayViewMut<'_, f64, D>, ModelError> {
[INFO] [stdout]     |                                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/model/logistic_regression.rs:146:19
[INFO] [stdout]     |
[INFO] [stdout] 146 |     fn param_iter(&self) -> Vec<(&str, ArrayView<f64, IxDyn>)> {
[INFO] [stdout]     |                   ^^^^^          ^^^^  ^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                   |              |
[INFO] [stdout]     |                   |              the same lifetime is elided here
[INFO] [stdout]     |                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 146 |     fn param_iter(&self) -> Vec<(&str, ArrayView<'_, f64, IxDyn>)> {
[INFO] [stdout]     |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/model/logistic_regression.rs:155:35
[INFO] [stdout]     |
[INFO] [stdout] 155 |     fn get_gradient<D: Dimension>(&self, key: &str) -> Result<ArrayView<f64, D>, ModelError> {
[INFO] [stdout]     |                                   ^^^^^                       ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                   |
[INFO] [stdout]     |                                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 155 |     fn get_gradient<D: Dimension>(&self, key: &str) -> Result<ArrayView<'_, f64, D>, ModelError> {
[INFO] [stdout]     |                                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> src/model/core/param_collection.rs:8:26
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn get<D: Dimension>(&self, key: &str) -> Result<ArrayView<f64, D>, ModelError>;
[INFO] [stdout]   |                          ^^^^^                       ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]   |                          |
[INFO] [stdout]   |                          the lifetime is elided here
[INFO] [stdout]   |
[INFO] [stdout]   = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]   = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn get<D: Dimension>(&self, key: &str) -> Result<ArrayView<'_, f64, D>, ModelError>;
[INFO] [stdout]   |                                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/model/core/param_collection.rs:10:30
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn get_mut<D: Dimension>(&mut self, key: &str) -> Result<ArrayViewMut<f64, D>, ModelError>;
[INFO] [stdout]    |                              ^^^^^^^^^                       ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                              |
[INFO] [stdout]    |                              the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn get_mut<D: Dimension>(&mut self, key: &str) -> Result<ArrayViewMut<'_, f64, D>, ModelError>;
[INFO] [stdout]    |                                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/model/core/param_collection.rs:16:19
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn param_iter(&self) -> Vec<(&str, ArrayView<f64, IxDyn>)>;
[INFO] [stdout]    |                   ^^^^^          ^^^^  ^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                   |              |
[INFO] [stdout]    |                   |              the same lifetime is elided here
[INFO] [stdout]    |                   the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn param_iter(&self) -> Vec<(&str, ArrayView<'_, f64, IxDyn>)>;
[INFO] [stdout]    |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/model/core/param_collection.rs:21:35
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn get_gradient<D: Dimension>(&self, key: &str) -> Result<ArrayView<f64, D>, ModelError>;
[INFO] [stdout]    |                                   ^^^^^                       ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                   |
[INFO] [stdout]    |                                   the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn get_gradient<D: Dimension>(&self, key: &str) -> Result<ArrayView<'_, f64, D>, ModelError>;
[INFO] [stdout]    |                                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/model/linear_regression.rs:70:35
[INFO] [stdout]    |
[INFO] [stdout] 70 |     fn get<D: ndarray::Dimension>(&self, key: &str) -> Result<ArrayView<f64, D>, ModelError> {
[INFO] [stdout]    |                                   ^^^^^                       ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                   |
[INFO] [stdout]    |                                   the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 70 |     fn get<D: ndarray::Dimension>(&self, key: &str) -> Result<ArrayView<'_, f64, D>, ModelError> {
[INFO] [stdout]    |                                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/model/linear_regression.rs:79:9
[INFO] [stdout]    |
[INFO] [stdout] 79 |         &mut self,
[INFO] [stdout]    |         ^^^^^^^^^ the lifetime is elided here
[INFO] [stdout] 80 |         key: &str,
[INFO] [stdout] 81 |     ) -> Result<ndarray::ArrayViewMut<f64, D>, ModelError> {
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 81 |     ) -> Result<ndarray::ArrayViewMut<'_, f64, D>, ModelError> {
[INFO] [stdout]    |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/model/linear_regression.rs:109:19
[INFO] [stdout]     |
[INFO] [stdout] 109 |     fn param_iter(&self) -> Vec<(&str, ArrayView<f64, ndarray::IxDyn>)> {
[INFO] [stdout]     |                   ^^^^^          ^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                   |              |
[INFO] [stdout]     |                   |              the same lifetime is elided here
[INFO] [stdout]     |                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 109 |     fn param_iter(&self) -> Vec<(&str, ArrayView<'_, f64, ndarray::IxDyn>)> {
[INFO] [stdout]     |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/model/linear_regression.rs:119:9
[INFO] [stdout]     |
[INFO] [stdout] 119 |         &self,
[INFO] [stdout]     |         ^^^^^ the lifetime is elided here
[INFO] [stdout] 120 |         key: &str,
[INFO] [stdout] 121 |     ) -> Result<ArrayView<f64, D>, ModelError> {
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 121 |     ) -> Result<ArrayView<'_, f64, D>, ModelError> {
[INFO] [stdout]     |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/model/logistic_regression.rs:116:26
[INFO] [stdout]     |
[INFO] [stdout] 116 |     fn get<D: Dimension>(&self, key: &str) -> Result<ArrayView<f64, D>, ModelError> {
[INFO] [stdout]     |                          ^^^^^                       ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 116 |     fn get<D: Dimension>(&self, key: &str) -> Result<ArrayView<'_, f64, D>, ModelError> {
[INFO] [stdout]     |                                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/model/logistic_regression.rs:124:30
[INFO] [stdout]     |
[INFO] [stdout] 124 |     fn get_mut<D: Dimension>(&mut self, key: &str) -> Result<ArrayViewMut<f64, D>, ModelError> {
[INFO] [stdout]     |                              ^^^^^^^^^                       ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                              |
[INFO] [stdout]     |                              the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 124 |     fn get_mut<D: Dimension>(&mut self, key: &str) -> Result<ArrayViewMut<'_, f64, D>, ModelError> {
[INFO] [stdout]     |                                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/model/logistic_regression.rs:146:19
[INFO] [stdout]     |
[INFO] [stdout] 146 |     fn param_iter(&self) -> Vec<(&str, ArrayView<f64, IxDyn>)> {
[INFO] [stdout]     |                   ^^^^^          ^^^^  ^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                   |              |
[INFO] [stdout]     |                   |              the same lifetime is elided here
[INFO] [stdout]     |                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 146 |     fn param_iter(&self) -> Vec<(&str, ArrayView<'_, f64, IxDyn>)> {
[INFO] [stdout]     |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/model/logistic_regression.rs:155:35
[INFO] [stdout]     |
[INFO] [stdout] 155 |     fn get_gradient<D: Dimension>(&self, key: &str) -> Result<ArrayView<f64, D>, ModelError> {
[INFO] [stdout]     |                                   ^^^^^                       ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                   |
[INFO] [stdout]     |                                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 155 |     fn get_gradient<D: Dimension>(&self, key: &str) -> Result<ArrayView<'_, f64, D>, ModelError> {
[INFO] [stdout]     |                                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 28s
[INFO] running `Command { std: "docker" "inspect" "d5ef53028add029420d36551abd3003134936bb7fe13719d7c102ad747972ff1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5ef53028add029420d36551abd3003134936bb7fe13719d7c102ad747972ff1", kill_on_drop: false }`
[INFO] [stdout] d5ef53028add029420d36551abd3003134936bb7fe13719d7c102ad747972ff1
