[INFO] cloning repository https://github.com/GrossBetruger/CrackingTheJobInterview [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/GrossBetruger/CrackingTheJobInterview" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGrossBetruger%2FCrackingTheJobInterview", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGrossBetruger%2FCrackingTheJobInterview'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] fc7fbe747672dc0353627501661d3eb77919bb21 [INFO] checking GrossBetruger/CrackingTheJobInterview/fc7fbe747672dc0353627501661d3eb77919bb21 against master#a42d94ebb883116f2867cbe3016d9bde9ca6d3f7 for pr-117593 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGrossBetruger%2FCrackingTheJobInterview" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/GrossBetruger/CrackingTheJobInterview on toolchain a42d94ebb883116f2867cbe3016d9bde9ca6d3f7 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a42d94ebb883116f2867cbe3016d9bde9ca6d3f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/GrossBetruger/CrackingTheJobInterview [INFO] finished tweaking git repo https://github.com/GrossBetruger/CrackingTheJobInterview [INFO] tweaked toml for git repo https://github.com/GrossBetruger/CrackingTheJobInterview written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/GrossBetruger/CrackingTheJobInterview 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" "+a42d94ebb883116f2867cbe3016d9bde9ca6d3f7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [ERROR] this task or one of its parent failed! [ERROR] no output for 300 seconds [ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace. [INFO] checking GrossBetruger/CrackingTheJobInterview/fc7fbe747672dc0353627501661d3eb77919bb21 against try#031b389f0c31c0f91c9464d26313ae513dbe8d36 for pr-117593 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGrossBetruger%2FCrackingTheJobInterview" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/GrossBetruger/CrackingTheJobInterview on toolchain 031b389f0c31c0f91c9464d26313ae513dbe8d36 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+031b389f0c31c0f91c9464d26313ae513dbe8d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/GrossBetruger/CrackingTheJobInterview [INFO] finished tweaking git repo https://github.com/GrossBetruger/CrackingTheJobInterview [INFO] tweaked toml for git repo https://github.com/GrossBetruger/CrackingTheJobInterview written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/GrossBetruger/CrackingTheJobInterview 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" "+031b389f0c31c0f91c9464d26313ae513dbe8d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [INFO] checking GrossBetruger/CrackingTheJobInterview/fc7fbe747672dc0353627501661d3eb77919bb21 against try#031b389f0c31c0f91c9464d26313ae513dbe8d36 for pr-117593 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGrossBetruger%2FCrackingTheJobInterview" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/GrossBetruger/CrackingTheJobInterview on toolchain 031b389f0c31c0f91c9464d26313ae513dbe8d36 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+031b389f0c31c0f91c9464d26313ae513dbe8d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/GrossBetruger/CrackingTheJobInterview [INFO] finished tweaking git repo https://github.com/GrossBetruger/CrackingTheJobInterview [INFO] tweaked toml for git repo https://github.com/GrossBetruger/CrackingTheJobInterview written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/GrossBetruger/CrackingTheJobInterview 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" "+031b389f0c31c0f91c9464d26313ae513dbe8d36" "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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded queues v1.1.0 [INFO] [stderr] Downloaded counter v0.5.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:0c7e0e8312ad82a1bed3696438480b7da990d348377d3754e1cd95b06a8a36c7" "/opt/rustwide/cargo-home/bin/cargo" "+031b389f0c31c0f91c9464d26313ae513dbe8d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 24b2bdb023b68a1eb97b1a1c337b5ae04352788efaee0fa7a0906befe75c8efb [INFO] running `Command { std: "docker" "start" "-a" "24b2bdb023b68a1eb97b1a1c337b5ae04352788efaee0fa7a0906befe75c8efb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "24b2bdb023b68a1eb97b1a1c337b5ae04352788efaee0fa7a0906befe75c8efb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "24b2bdb023b68a1eb97b1a1c337b5ae04352788efaee0fa7a0906befe75c8efb", kill_on_drop: false }` [INFO] [stdout] 24b2bdb023b68a1eb97b1a1c337b5ae04352788efaee0fa7a0906befe75c8efb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:0c7e0e8312ad82a1bed3696438480b7da990d348377d3754e1cd95b06a8a36c7" "/opt/rustwide/cargo-home/bin/cargo" "+031b389f0c31c0f91c9464d26313ae513dbe8d36" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6b2b8583d004c18c1ae64e2ca0cb1ad593427a62ab3ef7b7d759431b65075b08 [INFO] running `Command { std: "docker" "start" "-a" "6b2b8583d004c18c1ae64e2ca0cb1ad593427a62ab3ef7b7d759431b65075b08", kill_on_drop: false }` [INFO] [stderr] Compiling indexmap v1.6.2 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Checking hashbrown v0.9.1 [INFO] [stderr] Checking fixedbitset v0.2.0 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking queues v1.1.0 [INFO] [stderr] Checking itertools v0.9.0 [INFO] [stderr] Checking petgraph v0.5.1 [INFO] [stderr] Checking counter v0.5.2 [INFO] [stderr] Checking cracking_the_job_interview v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `HashSet`, `LinkedList` [INFO] [stdout] --> src/linked_lists.rs:1:24 [INFO] [stdout] | [INFO] [stdout] 1 | use std::collections::{LinkedList, HashSet}; [INFO] [stdout] | ^^^^^^^^^^ ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `HashMap` [INFO] [stdout] --> src/graphs.rs:4:24 [INFO] [stdout] | [INFO] [stdout] 4 | use std::collections::{HashMap, HashSet}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `petgraph::visit::FilterNode` [INFO] [stdout] --> src/graphs.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use petgraph::visit::FilterNode; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `petgraph::data::Element::Node` [INFO] [stdout] --> src/graphs.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use petgraph::data::Element::Node; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `HashSet`, `LinkedList` [INFO] [stdout] --> src/linked_lists.rs:1:24 [INFO] [stdout] | [INFO] [stdout] 1 | use std::collections::{LinkedList, HashSet}; [INFO] [stdout] | ^^^^^^^^^^ ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::LinkedList` [INFO] [stdout] --> src/linked_lists.rs:24:9 [INFO] [stdout] | [INFO] [stdout] 24 | use std::collections::LinkedList; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Node`, `Tree`, `traverse_node_in_order` [INFO] [stdout] --> src/trees_and_graphs.rs:77:35 [INFO] [stdout] | [INFO] [stdout] 77 | use crate::trees_and_graphs::{Node, Tree, traverse_node_in_order, BinaryTree, BinaryNode}; [INFO] [stdout] | ^^^^ ^^^^ ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> src/trees_and_graphs.rs:78:9 [INFO] [stdout] | [INFO] [stdout] 78 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `HashMap` [INFO] [stdout] --> src/graphs.rs:4:24 [INFO] [stdout] | [INFO] [stdout] 4 | use std::collections::{HashMap, HashSet}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `petgraph::visit::FilterNode` [INFO] [stdout] --> src/graphs.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use petgraph::visit::FilterNode; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `petgraph::data::Element::Node` [INFO] [stdout] --> src/graphs.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use petgraph::data::Element::Node; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/naive_bayes.rs:70:13 [INFO] [stdout] | [INFO] [stdout] 70 | let mut model = &self.model.as_ref().expect("model not initialized"); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/naive_bayes.rs:75:21 [INFO] [stdout] | [INFO] [stdout] 75 | let mut mul = model.probabilities[&label] [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `is_unique` is never used [INFO] [stdout] --> src/main.rs:12:4 [INFO] [stdout] | [INFO] [stdout] 12 | fn is_unique(s: String) -> bool { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `check_permutation` is never used [INFO] [stdout] --> src/main.rs:29:4 [INFO] [stdout] | [INFO] [stdout] 29 | fn check_permutation(s1: &str, s2: &str) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `palindrome_permutation` is never used [INFO] [stdout] --> src/main.rs:60:4 [INFO] [stdout] | [INFO] [stdout] 60 | fn palindrome_permutation(s: &str) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `one_away` is never used [INFO] [stdout] --> src/main.rs:78:4 [INFO] [stdout] | [INFO] [stdout] 78 | fn one_away(s1: String, s2: String) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `compare_with_one_change` is never used [INFO] [stdout] --> src/main.rs:98:4 [INFO] [stdout] | [INFO] [stdout] 98 | fn compare_with_one_change(s1: &str, s2: &str) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `string_compression` is never used [INFO] [stdout] --> src/main.rs:131:4 [INFO] [stdout] | [INFO] [stdout] 131 | fn string_compression(s: &str) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `push_counter` is never used [INFO] [stdout] --> src/main.rs:160:4 [INFO] [stdout] | [INFO] [stdout] 160 | fn push_counter(counter: usize, char_vec: &mut Vec) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `rotate_matrix` is never used [INFO] [stdout] --> src/main.rs:169:4 [INFO] [stdout] | [INFO] [stdout] 169 | fn rotate_matrix(matrix: Vec>) -> Vec>{ [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Node` is never constructed [INFO] [stdout] --> src/trees_and_graphs.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | struct Node { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `BinaryNode` is never constructed [INFO] [stdout] --> src/trees_and_graphs.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 8 | struct BinaryNode { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Tree` is never constructed [INFO] [stdout] --> src/trees_and_graphs.rs:14:8 [INFO] [stdout] | [INFO] [stdout] 14 | struct Tree { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `BinaryTree` is never constructed [INFO] [stdout] --> src/trees_and_graphs.rs:18:8 [INFO] [stdout] | [INFO] [stdout] 18 | struct BinaryTree { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/trees_and_graphs.rs:23:12 [INFO] [stdout] | [INFO] [stdout] 22 | impl BinaryNode { [INFO] [stdout] | ----------------------------------------- associated function in this implementation [INFO] [stdout] 23 | pub fn new(data: T, left: Box>>, right: Box>>) [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/trees_and_graphs.rs:34:12 [INFO] [stdout] | [INFO] [stdout] 33 | impl BinaryTree { [INFO] [stdout] | ----------------------------------------- associated function in this implementation [INFO] [stdout] 34 | pub fn new(root: BinaryNode) -> BinaryTree { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated functions `new` and `leaf_node` are never used [INFO] [stdout] --> src/trees_and_graphs.rs:42:12 [INFO] [stdout] | [INFO] [stdout] 41 | impl Node { [INFO] [stdout] | --------------- associated functions in this implementation [INFO] [stdout] 42 | pub fn new(data: T, children: Vec>) -> Node { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 49 | pub fn leaf_node(data: T) -> Node { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/trees_and_graphs.rs:58:12 [INFO] [stdout] | [INFO] [stdout] 57 | impl Tree { [INFO] [stdout] | --------------- associated function in this implementation [INFO] [stdout] 58 | pub fn new(root: Node) -> Tree { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `traverse_node_in_order` is never used [INFO] [stdout] --> src/trees_and_graphs.rs:65:4 [INFO] [stdout] | [INFO] [stdout] 65 | fn traverse_node_in_order(node: &Node){ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `handle_neighbors` is never used [INFO] [stdout] --> src/graphs.rs:9:4 [INFO] [stdout] | [INFO] [stdout] 9 | fn handle_neighbors(queue: & mut Queue, visited: &HashSet, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `search_path` is never used [INFO] [stdout] --> src/graphs.rs:19:4 [INFO] [stdout] | [INFO] [stdout] 19 | fn search_path(graph: Graph<&str, u32>, from: NodeIndex, to: NodeIndex) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `ALPHA` is never used [INFO] [stdout] --> src/naive_bayes.rs:5:7 [INFO] [stdout] | [INFO] [stdout] 5 | const ALPHA: f64 = 1.; // count added to missing words to avoid probability 0.0 [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `NaiveBayes` is never constructed [INFO] [stdout] --> src/naive_bayes.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 7 | struct NaiveBayes { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `NaiveBayesParameters` is never constructed [INFO] [stdout] --> src/naive_bayes.rs:11:8 [INFO] [stdout] | [INFO] [stdout] 11 | struct NaiveBayesParameters { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Probabilities` is never constructed [INFO] [stdout] --> src/naive_bayes.rs:16:8 [INFO] [stdout] | [INFO] [stdout] 16 | struct Probabilities { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `empty` is never used [INFO] [stdout] --> src/naive_bayes.rs:22:12 [INFO] [stdout] | [INFO] [stdout] 21 | impl Probabilities { [INFO] [stdout] | ------------------ associated function in this implementation [INFO] [stdout] 22 | pub fn empty() -> Probabilities { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `train`, `predict`, and `new` are never used [INFO] [stdout] --> src/naive_bayes.rs:31:12 [INFO] [stdout] | [INFO] [stdout] 30 | impl NaiveBayes { [INFO] [stdout] | --------------- associated items in this implementation [INFO] [stdout] 31 | pub fn train(&mut self, x: Vec<&str>, y: Vec) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 69 | pub fn predict(&self, text: &str) -> u16 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 91 | pub fn new() -> NaiveBayes { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/graphs.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 15 | queue.add(neighbor.clone()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 15 | let _ = queue.add(neighbor.clone()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/naive_bayes.rs:70:13 [INFO] [stdout] | [INFO] [stdout] 70 | let mut model = &self.model.as_ref().expect("model not initialized"); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/naive_bayes.rs:75:21 [INFO] [stdout] | [INFO] [stdout] 75 | let mut mul = model.probabilities[&label] [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 32 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Node` is never constructed [INFO] [stdout] --> src/trees_and_graphs.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | struct Node { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `right` is never read [INFO] [stdout] --> src/trees_and_graphs.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 8 | struct BinaryNode { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 11 | pub right: Box>> [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Tree` is never constructed [INFO] [stdout] --> src/trees_and_graphs.rs:14:8 [INFO] [stdout] | [INFO] [stdout] 14 | struct Tree { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated functions `new` and `leaf_node` are never used [INFO] [stdout] --> src/trees_and_graphs.rs:42:12 [INFO] [stdout] | [INFO] [stdout] 41 | impl Node { [INFO] [stdout] | --------------- associated functions in this implementation [INFO] [stdout] 42 | pub fn new(data: T, children: Vec>) -> Node { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 49 | pub fn leaf_node(data: T) -> Node { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/trees_and_graphs.rs:58:12 [INFO] [stdout] | [INFO] [stdout] 57 | impl Tree { [INFO] [stdout] | --------------- associated function in this implementation [INFO] [stdout] 58 | pub fn new(root: Node) -> Tree { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `traverse_node_in_order` is never used [INFO] [stdout] --> src/trees_and_graphs.rs:65:4 [INFO] [stdout] | [INFO] [stdout] 65 | fn traverse_node_in_order(node: &Node){ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/graphs.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 15 | queue.add(neighbor.clone()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 15 | let _ = queue.add(neighbor.clone()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 16 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.30s [INFO] running `Command { std: "docker" "inspect" "6b2b8583d004c18c1ae64e2ca0cb1ad593427a62ab3ef7b7d759431b65075b08", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6b2b8583d004c18c1ae64e2ca0cb1ad593427a62ab3ef7b7d759431b65075b08", kill_on_drop: false }` [INFO] [stdout] 6b2b8583d004c18c1ae64e2ca0cb1ad593427a62ab3ef7b7d759431b65075b08