[INFO] cloning repository https://github.com/n3puiol/rust_neural_network [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/n3puiol/rust_neural_network" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fn3puiol%2Frust_neural_network", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fn3puiol%2Frust_neural_network'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] bc17c953bffac19c34ac146d7a6c38c478f1abb9 [INFO] testing n3puiol/rust_neural_network against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fn3puiol%2Frust_neural_network" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/n3puiol/rust_neural_network [INFO] finished tweaking git repo https://github.com/n3puiol/rust_neural_network [INFO] tweaked toml for git repo https://github.com/n3puiol/rust_neural_network written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/n3puiol/rust_neural_network on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/n3puiol/rust_neural_network 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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 775da8fb987f1639561d3da98b7f8341b506468f6bd4be4af4fe56a06bec6326 [INFO] running `Command { std: "docker" "start" "-a" "775da8fb987f1639561d3da98b7f8341b506468f6bd4be4af4fe56a06bec6326", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "775da8fb987f1639561d3da98b7f8341b506468f6bd4be4af4fe56a06bec6326", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "775da8fb987f1639561d3da98b7f8341b506468f6bd4be4af4fe56a06bec6326", kill_on_drop: false }` [INFO] [stdout] 775da8fb987f1639561d3da98b7f8341b506468f6bd4be4af4fe56a06bec6326 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ad052d7b2b5bf319431dff701d140285b01610e2e3508c6dacfa973d3d32457e [INFO] running `Command { std: "docker" "start" "-a" "ad052d7b2b5bf319431dff701d140285b01610e2e3508c6dacfa973d3d32457e", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling serde v1.0.196 [INFO] [stderr] Compiling memchr v2.7.1 [INFO] [stderr] Compiling ryu v1.0.16 [INFO] [stderr] Compiling itoa v1.0.10 [INFO] [stderr] Compiling log v0.4.20 [INFO] [stderr] Compiling dotenvy v0.15.7 [INFO] [stderr] Compiling getrandom v0.2.12 [INFO] [stderr] Compiling csv-core v0.1.11 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling csv v1.3.0 [INFO] [stderr] Compiling rust-neural-network v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: method `as_mut_any` is never used [INFO] [stdout] --> src/nn/activation.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub(crate) trait Activation { [INFO] [stdout] | ---------- method in this trait [INFO] [stdout] 4 | fn as_mut_any(&mut self) -> &mut dyn Any; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `summary`, `compile`, and `evaluate` are never used [INFO] [stdout] --> src/nn/model.rs:13:8 [INFO] [stdout] | [INFO] [stdout] 11 | pub(crate) trait Model { [INFO] [stdout] | ----- methods in this trait [INFO] [stdout] 12 | fn new(model_config: ModelConfig) -> Self; [INFO] [stdout] 13 | fn summary(&self); [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 14 | fn compile(&self); [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 17 | fn evaluate(&self); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `optimize` is never used [INFO] [stdout] --> src/nn/optimizer.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 4 | pub(crate) trait Optimizer { [INFO] [stdout] | --------- method in this trait [INFO] [stdout] 5 | fn optimize(&self, input: &Vector, output: &Vector, targets: &Vector, weighted_sum: f64, desired_output: f64, weights: &mut Vector, b... [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `gradient` is never used [INFO] [stdout] --> src/nn/loss.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub(crate) trait Loss { [INFO] [stdout] | ---- method in this trait [INFO] [stdout] ... [INFO] [stdout] 6 | fn gradient(&self, outputs: &Vector, targets: &Vector) -> Vector; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/nn/utils.rs:42:24 [INFO] [stdout] | [INFO] [stdout] 42 | pub(crate) fn iter(&self) -> std::slice::Iter { [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] 42 | pub(crate) fn iter(&self) -> std::slice::Iter<'_, f64> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/nn/utils.rs:46:28 [INFO] [stdout] | [INFO] [stdout] 46 | pub(crate) fn iter_mut(&mut self) -> std::slice::IterMut { [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] 46 | pub(crate) fn iter_mut(&mut self) -> std::slice::IterMut<'_, f64> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.36s [INFO] running `Command { std: "docker" "inspect" "ad052d7b2b5bf319431dff701d140285b01610e2e3508c6dacfa973d3d32457e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ad052d7b2b5bf319431dff701d140285b01610e2e3508c6dacfa973d3d32457e", kill_on_drop: false }` [INFO] [stdout] ad052d7b2b5bf319431dff701d140285b01610e2e3508c6dacfa973d3d32457e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 14174750031fe629617cf4daa791220113cefe8578de38275293243f7e4e065d [INFO] running `Command { std: "docker" "start" "-a" "14174750031fe629617cf4daa791220113cefe8578de38275293243f7e4e065d", kill_on_drop: false }` [INFO] [stderr] Compiling rust-neural-network v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: method `as_mut_any` is never used [INFO] [stdout] --> src/nn/activation.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub(crate) trait Activation { [INFO] [stdout] | ---------- method in this trait [INFO] [stdout] 4 | fn as_mut_any(&mut self) -> &mut dyn Any; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `summary`, `compile`, and `evaluate` are never used [INFO] [stdout] --> src/nn/model.rs:13:8 [INFO] [stdout] | [INFO] [stdout] 11 | pub(crate) trait Model { [INFO] [stdout] | ----- methods in this trait [INFO] [stdout] 12 | fn new(model_config: ModelConfig) -> Self; [INFO] [stdout] 13 | fn summary(&self); [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 14 | fn compile(&self); [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 17 | fn evaluate(&self); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `optimize` is never used [INFO] [stdout] --> src/nn/optimizer.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 4 | pub(crate) trait Optimizer { [INFO] [stdout] | --------- method in this trait [INFO] [stdout] 5 | fn optimize(&self, input: &Vector, output: &Vector, targets: &Vector, weighted_sum: f64, desired_output: f64, weights: &mut Vector, b... [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `gradient` is never used [INFO] [stdout] --> src/nn/loss.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub(crate) trait Loss { [INFO] [stdout] | ---- method in this trait [INFO] [stdout] ... [INFO] [stdout] 6 | fn gradient(&self, outputs: &Vector, targets: &Vector) -> Vector; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/nn/utils.rs:42:24 [INFO] [stdout] | [INFO] [stdout] 42 | pub(crate) fn iter(&self) -> std::slice::Iter { [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] 42 | pub(crate) fn iter(&self) -> std::slice::Iter<'_, f64> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/nn/utils.rs:46:28 [INFO] [stdout] | [INFO] [stdout] 46 | pub(crate) fn iter_mut(&mut self) -> std::slice::IterMut { [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] 46 | pub(crate) fn iter_mut(&mut self) -> std::slice::IterMut<'_, f64> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.42s [INFO] running `Command { std: "docker" "inspect" "14174750031fe629617cf4daa791220113cefe8578de38275293243f7e4e065d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "14174750031fe629617cf4daa791220113cefe8578de38275293243f7e4e065d", kill_on_drop: false }` [INFO] [stdout] 14174750031fe629617cf4daa791220113cefe8578de38275293243f7e4e065d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 95b833cb6f92918bbd53a0679d24574472f64307e774429f07cd031a02e38c19 [INFO] running `Command { std: "docker" "start" "-a" "95b833cb6f92918bbd53a0679d24574472f64307e774429f07cd031a02e38c19", kill_on_drop: false }` [INFO] [stderr] warning: method `as_mut_any` is never used [INFO] [stdout] [INFO] [stderr] --> src/nn/activation.rs:4:8 [INFO] [stdout] running 0 tests [INFO] [stderr] | [INFO] [stdout] [INFO] [stderr] 3 | pub(crate) trait Activation { [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] | ---------- method in this trait [INFO] [stdout] [INFO] [stderr] 4 | fn as_mut_any(&mut self) -> &mut dyn Any; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: methods `summary`, `compile`, and `evaluate` are never used [INFO] [stderr] --> src/nn/model.rs:13:8 [INFO] [stderr] | [INFO] [stderr] 11 | pub(crate) trait Model { [INFO] [stderr] | ----- methods in this trait [INFO] [stderr] 12 | fn new(model_config: ModelConfig) -> Self; [INFO] [stderr] 13 | fn summary(&self); [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] 14 | fn compile(&self); [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 17 | fn evaluate(&self); [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method `optimize` is never used [INFO] [stderr] --> src/nn/optimizer.rs:5:8 [INFO] [stderr] | [INFO] [stderr] 4 | pub(crate) trait Optimizer { [INFO] [stderr] | --------- method in this trait [INFO] [stderr] 5 | fn optimize(&self, input: &Vector, output: &Vector, targets: &Vector, weighted_sum: f64, desired_output: f64, weights: &mut Vector, b... [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method `gradient` is never used [INFO] [stderr] --> src/nn/loss.rs:6:8 [INFO] [stderr] | [INFO] [stderr] 3 | pub(crate) trait Loss { [INFO] [stderr] | ---- method in this trait [INFO] [stderr] ... [INFO] [stderr] 6 | fn gradient(&self, outputs: &Vector, targets: &Vector) -> Vector; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/nn/utils.rs:42:24 [INFO] [stderr] | [INFO] [stderr] 42 | pub(crate) fn iter(&self) -> std::slice::Iter { [INFO] [stderr] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 42 | pub(crate) fn iter(&self) -> std::slice::Iter<'_, f64> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/nn/utils.rs:46:28 [INFO] [stderr] | [INFO] [stderr] 46 | pub(crate) fn iter_mut(&mut self) -> std::slice::IterMut { [INFO] [stderr] | ^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 46 | pub(crate) fn iter_mut(&mut self) -> std::slice::IterMut<'_, f64> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: `rust-neural-network` (bin "rust-neural-network" test) generated 6 warnings (run `cargo fix --bin "rust-neural-network" --tests` to apply 2 suggestions) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_neural_network-8dafa115e4e00f45) [INFO] running `Command { std: "docker" "inspect" "95b833cb6f92918bbd53a0679d24574472f64307e774429f07cd031a02e38c19", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "95b833cb6f92918bbd53a0679d24574472f64307e774429f07cd031a02e38c19", kill_on_drop: false }` [INFO] [stdout] 95b833cb6f92918bbd53a0679d24574472f64307e774429f07cd031a02e38c19