[INFO] updating cached repository https://github.com/CloneRob/iron_woods [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] d892a15c6b4292bb45efb6a830c8b6afd5fe4ea3 [INFO] testing CloneRob/iron_woods against beta-2020-06-03 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCloneRob%2Firon_woods" "/workspace/builds/worker-13/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/CloneRob/iron_woods on toolchain beta-2020-06-03 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/CloneRob/iron_woods [INFO] finished tweaking git repo https://github.com/CloneRob/iron_woods [INFO] tweaked toml for git repo https://github.com/CloneRob/iron_woods written to /workspace/builds/worker-13/source/Cargo.toml [INFO] crate git repo https://github.com/CloneRob/iron_woods already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 0d25aafad873a3b8bd9bbf850d5543e80b9311bfa13cebfa6480c6ce2a5c6c41 [INFO] running `"docker" "start" "-a" "0d25aafad873a3b8bd9bbf850d5543e80b9311bfa13cebfa6480c6ce2a5c6c41"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling iron_woods v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `std::collections::HashMap` [INFO] [stderr] --> src/main.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::collections::HashMap; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::cmp` [INFO] [stderr] --> src/feature/mod.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::cmp; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Hasher` [INFO] [stderr] --> src/feature/mod.rs:3:23 [INFO] [stderr] | [INFO] [stderr] 3 | use std::hash::{Hash, Hasher}; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::iter::FromIterator` [INFO] [stderr] --> src/feature/mod.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::iter::FromIterator; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Index`, `RangeFrom`, `RangeTo` [INFO] [stderr] --> src/feature/mod.rs:5:16 [INFO] [stderr] | [INFO] [stderr] 5 | use std::ops::{Index, RangeTo, RangeFrom}; [INFO] [stderr] | ^^^^^ ^^^^^^^ ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `HashSet` [INFO] [stderr] --> src/feature/mod.rs:6:24 [INFO] [stderr] | [INFO] [stderr] 6 | use std::collections::{HashSet, HashMap}; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value_index` [INFO] [stderr] --> src/decision_tree/mod.rs:33:18 [INFO] [stderr] | [INFO] [stderr] 33 | for (value_index, value) in feature.iter().enumerate() { [INFO] [stderr] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_value_index` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `depth` [INFO] [stderr] --> src/decision_tree/mod.rs:30:49 [INFO] [stderr] | [INFO] [stderr] 30 | fn build_tree(&mut self, dataset: &Dataset, depth: usize) -> DecisionTree { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_depth` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `data` [INFO] [stderr] --> src/decision_tree/mod.rs:51:34 [INFO] [stderr] | [INFO] [stderr] 51 | fn argmin_cost(data: D) -> (f32, usize, Value) { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_data` [INFO] [stderr] [INFO] [stderr] warning: field is never read: `root` [INFO] [stderr] --> src/decision_tree/mod.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | root: Option, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `min_split` [INFO] [stderr] --> src/decision_tree/mod.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | min_split: usize, [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `min_impurity` [INFO] [stderr] --> src/decision_tree/mod.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | min_impurity: f32, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `max_depth` [INFO] [stderr] --> src/decision_tree/mod.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | max_depth: usize, [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `cost_fn` [INFO] [stderr] --> src/decision_tree/mod.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | cost_fn: fn(&[f32]) -> f32, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `leaf_fn` [INFO] [stderr] --> src/decision_tree/mod.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | leaf_fn: fn() -> f32, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `build_tree` [INFO] [stderr] --> src/decision_tree/mod.rs:30:8 [INFO] [stderr] | [INFO] [stderr] 30 | fn build_tree(&mut self, dataset: &Dataset, depth: usize) -> DecisionTree { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `argmin_cost` [INFO] [stderr] --> src/decision_tree/mod.rs:51:8 [INFO] [stderr] | [INFO] [stderr] 51 | fn argmin_cost(data: D) -> (f32, usize, Value) { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 17 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.03s [INFO] running `"docker" "inspect" "0d25aafad873a3b8bd9bbf850d5543e80b9311bfa13cebfa6480c6ce2a5c6c41"` [INFO] running `"docker" "rm" "-f" "0d25aafad873a3b8bd9bbf850d5543e80b9311bfa13cebfa6480c6ce2a5c6c41"` [INFO] [stdout] 0d25aafad873a3b8bd9bbf850d5543e80b9311bfa13cebfa6480c6ce2a5c6c41 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 0e2abaf6761519a3a029deb279f064775e0f6043bb9c5b0b17baf6ba98d9f0c3 [INFO] running `"docker" "start" "-a" "0e2abaf6761519a3a029deb279f064775e0f6043bb9c5b0b17baf6ba98d9f0c3"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling iron_woods v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `std::collections::HashMap` [INFO] [stderr] --> src/main.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::collections::HashMap; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::cmp` [INFO] [stderr] --> src/feature/mod.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::cmp; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Hasher` [INFO] [stderr] --> src/feature/mod.rs:3:23 [INFO] [stderr] | [INFO] [stderr] 3 | use std::hash::{Hash, Hasher}; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::iter::FromIterator` [INFO] [stderr] --> src/feature/mod.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::iter::FromIterator; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Index`, `RangeFrom`, `RangeTo` [INFO] [stderr] --> src/feature/mod.rs:5:16 [INFO] [stderr] | [INFO] [stderr] 5 | use std::ops::{Index, RangeTo, RangeFrom}; [INFO] [stderr] | ^^^^^ ^^^^^^^ ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `HashSet` [INFO] [stderr] --> src/feature/mod.rs:6:24 [INFO] [stderr] | [INFO] [stderr] 6 | use std::collections::{HashSet, HashMap}; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value_index` [INFO] [stderr] --> src/decision_tree/mod.rs:33:18 [INFO] [stderr] | [INFO] [stderr] 33 | for (value_index, value) in feature.iter().enumerate() { [INFO] [stderr] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_value_index` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `depth` [INFO] [stderr] --> src/decision_tree/mod.rs:30:49 [INFO] [stderr] | [INFO] [stderr] 30 | fn build_tree(&mut self, dataset: &Dataset, depth: usize) -> DecisionTree { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_depth` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `data` [INFO] [stderr] --> src/decision_tree/mod.rs:51:34 [INFO] [stderr] | [INFO] [stderr] 51 | fn argmin_cost(data: D) -> (f32, usize, Value) { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_data` [INFO] [stderr] [INFO] [stderr] warning: field is never read: `root` [INFO] [stderr] --> src/decision_tree/mod.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | root: Option, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `min_split` [INFO] [stderr] --> src/decision_tree/mod.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | min_split: usize, [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `min_impurity` [INFO] [stderr] --> src/decision_tree/mod.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | min_impurity: f32, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `max_depth` [INFO] [stderr] --> src/decision_tree/mod.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | max_depth: usize, [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `cost_fn` [INFO] [stderr] --> src/decision_tree/mod.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | cost_fn: fn(&[f32]) -> f32, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `leaf_fn` [INFO] [stderr] --> src/decision_tree/mod.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | leaf_fn: fn() -> f32, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `build_tree` [INFO] [stderr] --> src/decision_tree/mod.rs:30:8 [INFO] [stderr] | [INFO] [stderr] 30 | fn build_tree(&mut self, dataset: &Dataset, depth: usize) -> DecisionTree { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `argmin_cost` [INFO] [stderr] --> src/decision_tree/mod.rs:51:8 [INFO] [stderr] | [INFO] [stderr] 51 | fn argmin_cost(data: D) -> (f32, usize, Value) { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 17 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.66s [INFO] running `"docker" "inspect" "0e2abaf6761519a3a029deb279f064775e0f6043bb9c5b0b17baf6ba98d9f0c3"` [INFO] running `"docker" "rm" "-f" "0e2abaf6761519a3a029deb279f064775e0f6043bb9c5b0b17baf6ba98d9f0c3"` [INFO] [stdout] 0e2abaf6761519a3a029deb279f064775e0f6043bb9c5b0b17baf6ba98d9f0c3 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] cb06be57ffc2d20ffc2abbb90a3e07d3ed36176bb41eace66a4e242efe46304a [INFO] running `"docker" "start" "-a" "cb06be57ffc2d20ffc2abbb90a3e07d3ed36176bb41eace66a4e242efe46304a"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] warning: unused import: `std::collections::HashMap` [INFO] [stderr] --> src/main.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::collections::HashMap; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::cmp` [INFO] [stderr] --> src/feature/mod.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::cmp; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Hasher` [INFO] [stderr] --> src/feature/mod.rs:3:23 [INFO] [stderr] | [INFO] [stderr] 3 | use std::hash::{Hash, Hasher}; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::iter::FromIterator` [INFO] [stderr] --> src/feature/mod.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::iter::FromIterator; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Index`, `RangeFrom`, `RangeTo` [INFO] [stderr] --> src/feature/mod.rs:5:16 [INFO] [stderr] | [INFO] [stderr] 5 | use std::ops::{Index, RangeTo, RangeFrom}; [INFO] [stderr] | ^^^^^ ^^^^^^^ ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `HashSet` [INFO] [stderr] --> src/feature/mod.rs:6:24 [INFO] [stderr] | [INFO] [stderr] 6 | use std::collections::{HashSet, HashMap}; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value_index` [INFO] [stderr] --> src/decision_tree/mod.rs:33:18 [INFO] [stderr] | [INFO] [stderr] 33 | for (value_index, value) in feature.iter().enumerate() { [INFO] [stderr] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_value_index` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `depth` [INFO] [stderr] --> src/decision_tree/mod.rs:30:49 [INFO] [stderr] | [INFO] [stderr] 30 | fn build_tree(&mut self, dataset: &Dataset, depth: usize) -> DecisionTree { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_depth` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `data` [INFO] [stderr] --> src/decision_tree/mod.rs:51:34 [INFO] [stderr] | [INFO] [stderr] 51 | fn argmin_cost(data: D) -> (f32, usize, Value) { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_data` [INFO] [stderr] [INFO] [stderr] warning: field is never read: `root` [INFO] [stderr] --> src/decision_tree/mod.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | root: Option, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `min_split` [INFO] [stderr] --> src/decision_tree/mod.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | min_split: usize, [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `min_impurity` [INFO] [stderr] --> src/decision_tree/mod.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | min_impurity: f32, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `max_depth` [INFO] [stderr] --> src/decision_tree/mod.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | max_depth: usize, [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `cost_fn` [INFO] [stderr] --> src/decision_tree/mod.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | cost_fn: fn(&[f32]) -> f32, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `leaf_fn` [INFO] [stderr] --> src/decision_tree/mod.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | leaf_fn: fn() -> f32, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `build_tree` [INFO] [stderr] --> src/decision_tree/mod.rs:30:8 [INFO] [stderr] | [INFO] [stderr] 30 | fn build_tree(&mut self, dataset: &Dataset, depth: usize) -> DecisionTree { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `argmin_cost` [INFO] [stderr] --> src/decision_tree/mod.rs:51:8 [INFO] [stderr] | [INFO] [stderr] 51 | fn argmin_cost(data: D) -> (f32, usize, Value) { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 17 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/iron_woods-ef3880f8484f76e4 [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "cb06be57ffc2d20ffc2abbb90a3e07d3ed36176bb41eace66a4e242efe46304a"` [INFO] running `"docker" "rm" "-f" "cb06be57ffc2d20ffc2abbb90a3e07d3ed36176bb41eace66a4e242efe46304a"` [INFO] [stdout] cb06be57ffc2d20ffc2abbb90a3e07d3ed36176bb41eace66a4e242efe46304a