[INFO] cloning repository https://github.com/SSebigo/iris-classification [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SSebigo/iris-classification" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSSebigo%2Firis-classification", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSSebigo%2Firis-classification'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 49bdf25c8825328d541edd31a06875d882b6fd94 [INFO] testing SSebigo/iris-classification against 1.59.0 for beta-1.60-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSSebigo%2Firis-classification" "/workspace/builds/worker-70/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-70/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/SSebigo/iris-classification on toolchain 1.59.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/SSebigo/iris-classification [INFO] finished tweaking git repo https://github.com/SSebigo/iris-classification [INFO] tweaked toml for git repo https://github.com/SSebigo/iris-classification written to /workspace/builds/worker-70/source/Cargo.toml [INFO] crate git repo https://github.com/SSebigo/iris-classification already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6f115998f178cceffff7cb9aa515fcca0f55a31a5f156c9d1eb50b837ff21ac2 [INFO] running `Command { std: "docker" "start" "-a" "6f115998f178cceffff7cb9aa515fcca0f55a31a5f156c9d1eb50b837ff21ac2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6f115998f178cceffff7cb9aa515fcca0f55a31a5f156c9d1eb50b837ff21ac2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6f115998f178cceffff7cb9aa515fcca0f55a31a5f156c9d1eb50b837ff21ac2", kill_on_drop: false }` [INFO] [stdout] 6f115998f178cceffff7cb9aa515fcca0f55a31a5f156c9d1eb50b837ff21ac2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 64035d0e526f0476a36c2d72eea1e447c3fc514bc0b81bfc03cbddd9c5dcdcad [INFO] running `Command { std: "docker" "start" "-a" "64035d0e526f0476a36c2d72eea1e447c3fc514bc0b81bfc03cbddd9c5dcdcad", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling rand_core v0.4.0 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling autocfg v0.1.2 [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Compiling libc v0.2.48 [INFO] [stderr] Compiling matrixmultiply v0.1.15 [INFO] [stderr] Compiling num-complex v0.2.1 [INFO] [stderr] Compiling either v1.5.0 [INFO] [stderr] Compiling ndarray v0.12.1 [INFO] [stderr] Compiling rawpointer v0.1.0 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_jitter v0.1.1 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling itertools v0.7.11 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling rand_os v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.1 [INFO] [stderr] Compiling ndarray-rand v0.9.0 [INFO] [stderr] Compiling iris-classification v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Array` [INFO] [stdout] --> src/model.rs:1:15 [INFO] [stdout] | [INFO] [stdout] 1 | use ndarray::{Array, Array2}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `test_set` [INFO] [stdout] --> src/main.rs:26:21 [INFO] [stdout] | [INFO] [stdout] 26 | let (train_set, test_set) = (train_set.to_vec(), test_set.to_vec()); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_test_set` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `set_labels` [INFO] [stdout] --> src/model.rs:76:52 [INFO] [stdout] | [INFO] [stdout] 76 | pub fn fit(&mut self, training_set: Vec, set_labels: Vec<&str>, epochs: usize) { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_set_labels` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `test_set` [INFO] [stdout] --> src/model.rs:132:21 [INFO] [stdout] | [INFO] [stdout] 132 | pub fn evaluate(test_set: Vec, set_labels: Vec<&str>) -> (usize, usize) { [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_test_set` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `set_labels` [INFO] [stdout] --> src/model.rs:132:41 [INFO] [stdout] | [INFO] [stdout] 132 | pub fn evaluate(test_set: Vec, set_labels: Vec<&str>) -> (usize, usize) { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_set_labels` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `prediction_set` [INFO] [stdout] --> src/model.rs:136:23 [INFO] [stdout] | [INFO] [stdout] 136 | pub fn predict(prediction_set: T) -> Array2 { [INFO] [stdout] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_prediction_set` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `learning_rate` [INFO] [stdout] --> src/model.rs:141:13 [INFO] [stdout] | [INFO] [stdout] 141 | let learning_rate = 0.001; [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_learning_rate` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `beta_1` [INFO] [stdout] --> src/model.rs:142:13 [INFO] [stdout] | [INFO] [stdout] 142 | let beta_1 = 0.9; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_beta_1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `beta_2` [INFO] [stdout] --> src/model.rs:143:13 [INFO] [stdout] | [INFO] [stdout] 143 | let beta_2 = 0.999; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_beta_2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `epsilon` [INFO] [stdout] --> src/model.rs:144:13 [INFO] [stdout] | [INFO] [stdout] 144 | let epsilon = 10_f64.powf(-8_f64); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_epsilon` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/model.rs:107:52 [INFO] [stdout] | [INFO] [stdout] 104 | match self.layers.last() { [INFO] [stdout] | ------------------ immutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 107 | prediction_error = self.loss(result.neurons.clone(), iris.class.clone()); [INFO] [stdout] | ^^^^^^^^^^----------------------^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | | [INFO] [stdout] | | immutable borrow later used here [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `class_vec` [INFO] [stdout] --> src/iris.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | class_vec: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `sigmoid_prime` [INFO] [stdout] --> src/layer.rs:63:8 [INFO] [stdout] | [INFO] [stdout] 63 | fn sigmoid_prime(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `evaluate` [INFO] [stdout] --> src/model.rs:132:12 [INFO] [stdout] | [INFO] [stdout] 132 | pub fn evaluate(test_set: Vec, set_labels: Vec<&str>) -> (usize, usize) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `predict` [INFO] [stdout] --> src/model.rs:136:12 [INFO] [stdout] | [INFO] [stdout] 136 | pub fn predict(prediction_set: T) -> Array2 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `adam_optimizer` [INFO] [stdout] --> src/model.rs:140:8 [INFO] [stdout] | [INFO] [stdout] 140 | fn adam_optimizer(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `gradient_descent` [INFO] [stdout] --> src/model.rs:147:8 [INFO] [stdout] | [INFO] [stdout] 147 | fn gradient_descent(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `mean_squared_error` [INFO] [stdout] --> src/model.rs:155:8 [INFO] [stdout] | [INFO] [stdout] 155 | fn mean_squared_error(&mut self, prediction: Array2, target: Array2) -> Array2 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 18 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 15s [INFO] running `Command { std: "docker" "inspect" "64035d0e526f0476a36c2d72eea1e447c3fc514bc0b81bfc03cbddd9c5dcdcad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "64035d0e526f0476a36c2d72eea1e447c3fc514bc0b81bfc03cbddd9c5dcdcad", kill_on_drop: false }` [INFO] [stdout] 64035d0e526f0476a36c2d72eea1e447c3fc514bc0b81bfc03cbddd9c5dcdcad [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1e450bce8a74df72cd86a2a2f5143d241f780499424759b1ac4c828bfeee7e9d [INFO] running `Command { std: "docker" "start" "-a" "1e450bce8a74df72cd86a2a2f5143d241f780499424759b1ac4c828bfeee7e9d", kill_on_drop: false }` [INFO] [stderr] Compiling iris-classification v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Array` [INFO] [stdout] --> src/model.rs:1:15 [INFO] [stdout] | [INFO] [stdout] 1 | use ndarray::{Array, Array2}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `test_set` [INFO] [stdout] --> src/main.rs:26:21 [INFO] [stdout] | [INFO] [stdout] 26 | let (train_set, test_set) = (train_set.to_vec(), test_set.to_vec()); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_test_set` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `set_labels` [INFO] [stdout] --> src/model.rs:76:52 [INFO] [stdout] | [INFO] [stdout] 76 | pub fn fit(&mut self, training_set: Vec, set_labels: Vec<&str>, epochs: usize) { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_set_labels` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `test_set` [INFO] [stdout] --> src/model.rs:132:21 [INFO] [stdout] | [INFO] [stdout] 132 | pub fn evaluate(test_set: Vec, set_labels: Vec<&str>) -> (usize, usize) { [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_test_set` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `set_labels` [INFO] [stdout] --> src/model.rs:132:41 [INFO] [stdout] | [INFO] [stdout] 132 | pub fn evaluate(test_set: Vec, set_labels: Vec<&str>) -> (usize, usize) { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_set_labels` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `prediction_set` [INFO] [stdout] --> src/model.rs:136:23 [INFO] [stdout] | [INFO] [stdout] 136 | pub fn predict(prediction_set: T) -> Array2 { [INFO] [stdout] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_prediction_set` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `learning_rate` [INFO] [stdout] --> src/model.rs:141:13 [INFO] [stdout] | [INFO] [stdout] 141 | let learning_rate = 0.001; [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_learning_rate` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `beta_1` [INFO] [stdout] --> src/model.rs:142:13 [INFO] [stdout] | [INFO] [stdout] 142 | let beta_1 = 0.9; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_beta_1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `beta_2` [INFO] [stdout] --> src/model.rs:143:13 [INFO] [stdout] | [INFO] [stdout] 143 | let beta_2 = 0.999; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_beta_2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `epsilon` [INFO] [stdout] --> src/model.rs:144:13 [INFO] [stdout] | [INFO] [stdout] 144 | let epsilon = 10_f64.powf(-8_f64); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_epsilon` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/model.rs:107:52 [INFO] [stdout] | [INFO] [stdout] 104 | match self.layers.last() { [INFO] [stdout] | ------------------ immutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 107 | prediction_error = self.loss(result.neurons.clone(), iris.class.clone()); [INFO] [stdout] | ^^^^^^^^^^----------------------^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | | [INFO] [stdout] | | immutable borrow later used here [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `class_vec` [INFO] [stdout] --> src/iris.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | class_vec: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `sigmoid_prime` [INFO] [stdout] --> src/layer.rs:63:8 [INFO] [stdout] | [INFO] [stdout] 63 | fn sigmoid_prime(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `evaluate` [INFO] [stdout] --> src/model.rs:132:12 [INFO] [stdout] | [INFO] [stdout] 132 | pub fn evaluate(test_set: Vec, set_labels: Vec<&str>) -> (usize, usize) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `predict` [INFO] [stdout] --> src/model.rs:136:12 [INFO] [stdout] | [INFO] [stdout] 136 | pub fn predict(prediction_set: T) -> Array2 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `adam_optimizer` [INFO] [stdout] --> src/model.rs:140:8 [INFO] [stdout] | [INFO] [stdout] 140 | fn adam_optimizer(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `gradient_descent` [INFO] [stdout] --> src/model.rs:147:8 [INFO] [stdout] | [INFO] [stdout] 147 | fn gradient_descent(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `mean_squared_error` [INFO] [stdout] --> src/model.rs:155:8 [INFO] [stdout] | [INFO] [stdout] 155 | fn mean_squared_error(&mut self, prediction: Array2, target: Array2) -> Array2 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 18 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.53s [INFO] running `Command { std: "docker" "inspect" "1e450bce8a74df72cd86a2a2f5143d241f780499424759b1ac4c828bfeee7e9d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1e450bce8a74df72cd86a2a2f5143d241f780499424759b1ac4c828bfeee7e9d", kill_on_drop: false }` [INFO] [stdout] 1e450bce8a74df72cd86a2a2f5143d241f780499424759b1ac4c828bfeee7e9d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 6cbe4192a65cabc1c68490472cb69ab1438c86a5bdfa00a906954b8197dc5c84 [INFO] running `Command { std: "docker" "start" "-a" "6cbe4192a65cabc1c68490472cb69ab1438c86a5bdfa00a906954b8197dc5c84", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `Array` [INFO] [stderr] --> src/model.rs:1:15 [INFO] [stderr] | [INFO] [stderr] 1 | use ndarray::{Array, Array2}; [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `test_set` [INFO] [stderr] --> src/main.rs:26:21 [INFO] [stderr] | [INFO] [stderr] 26 | let (train_set, test_set) = (train_set.to_vec(), test_set.to_vec()); [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_test_set` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `set_labels` [INFO] [stderr] --> src/model.rs:76:52 [INFO] [stderr] | [INFO] [stderr] 76 | pub fn fit(&mut self, training_set: Vec, set_labels: Vec<&str>, epochs: usize) { [INFO] [stderr] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_set_labels` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `test_set` [INFO] [stderr] --> src/model.rs:132:21 [INFO] [stderr] | [INFO] [stderr] 132 | pub fn evaluate(test_set: Vec, set_labels: Vec<&str>) -> (usize, usize) { [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_test_set` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `set_labels` [INFO] [stderr] --> src/model.rs:132:41 [INFO] [stderr] | [INFO] [stderr] 132 | pub fn evaluate(test_set: Vec, set_labels: Vec<&str>) -> (usize, usize) { [INFO] [stderr] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_set_labels` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `prediction_set` [INFO] [stderr] --> src/model.rs:136:23 [INFO] [stderr] | [INFO] [stderr] 136 | pub fn predict(prediction_set: T) -> Array2 { [INFO] [stderr] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_prediction_set` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `learning_rate` [INFO] [stderr] --> src/model.rs:141:13 [INFO] [stderr] | [INFO] [stderr] 141 | let learning_rate = 0.001; [INFO] [stderr] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_learning_rate` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `beta_1` [INFO] [stderr] --> src/model.rs:142:13 [INFO] [stderr] | [INFO] [stderr] 142 | let beta_1 = 0.9; [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_beta_1` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `beta_2` [INFO] [stderr] --> src/model.rs:143:13 [INFO] [stderr] | [INFO] [stderr] 143 | let beta_2 = 0.999; [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_beta_2` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `epsilon` [INFO] [stderr] --> src/model.rs:144:13 [INFO] [stderr] | [INFO] [stderr] 144 | let epsilon = 10_f64.powf(-8_f64); [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_epsilon` [INFO] [stderr] [INFO] [stderr] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/model.rs:107:52 [INFO] [stderr] | [INFO] [stderr] 104 | match self.layers.last() { [INFO] [stderr] | ------------------ immutable borrow occurs here [INFO] [stderr] ... [INFO] [stderr] 107 | prediction_error = self.loss(result.neurons.clone(), iris.class.clone()); [INFO] [stderr] | ^^^^^^^^^^----------------------^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | | | [INFO] [stderr] | | immutable borrow later used here [INFO] [stderr] | mutable borrow occurs here [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stderr] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stderr] = note: for more information, see issue #59159 [INFO] [stderr] [INFO] [stderr] warning: field is never read: `class_vec` [INFO] [stderr] --> src/iris.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | class_vec: Vec, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `sigmoid_prime` [INFO] [stderr] --> src/layer.rs:63:8 [INFO] [stderr] | [INFO] [stderr] 63 | fn sigmoid_prime(&mut self) { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `evaluate` [INFO] [stderr] --> src/model.rs:132:12 [INFO] [stderr] | [INFO] [stderr] 132 | pub fn evaluate(test_set: Vec, set_labels: Vec<&str>) -> (usize, usize) { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `predict` [INFO] [stderr] --> src/model.rs:136:12 [INFO] [stderr] | [INFO] [stderr] 136 | pub fn predict(prediction_set: T) -> Array2 { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `adam_optimizer` [INFO] [stderr] --> src/model.rs:140:8 [INFO] [stderr] | [INFO] [stderr] 140 | fn adam_optimizer(&mut self) { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `gradient_descent` [INFO] [stderr] --> src/model.rs:147:8 [INFO] [stderr] | [INFO] [stderr] 147 | fn gradient_descent(&mut self) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `mean_squared_error` [INFO] [stderr] --> src/model.rs:155:8 [INFO] [stderr] | [INFO] [stderr] 155 | fn mean_squared_error(&mut self, prediction: Array2, target: Array2) -> Array2 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `iris-classification` (bin "iris-classification" test) generated 18 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/iris_classification-dcc0945f7dfaf9a2) [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; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "6cbe4192a65cabc1c68490472cb69ab1438c86a5bdfa00a906954b8197dc5c84", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6cbe4192a65cabc1c68490472cb69ab1438c86a5bdfa00a906954b8197dc5c84", kill_on_drop: false }` [INFO] [stdout] 6cbe4192a65cabc1c68490472cb69ab1438c86a5bdfa00a906954b8197dc5c84