Nov 02 22:14:24.869 INFO checking CloneRob/iron_woods against try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7 for pr-55517
Nov 02 22:14:24.870 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55517/worker-1/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-55517/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +dc8b02d6f1e93f212fc39844ea688b634b4a03c7-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 02 22:14:25.387 INFO blam! 60ba38e2235ab436239a25160f7d78bbca2d085340cc850df95aadf599a90772
Nov 02 22:14:25.408 INFO running `"docker" "start" "-a" "60ba38e2235ab436239a25160f7d78bbca2d085340cc850df95aadf599a90772"`
Nov 02 22:14:27.196 INFO kablam! usermod: no changes
Nov 02 22:14:27.268 INFO kablam!     Checking iron_woods v0.1.0 (/source)
Nov 02 22:14:28.241 INFO kablam! warning: unused import: `std::collections::HashMap`
Nov 02 22:14:28.241 INFO kablam!  --> src/main.rs:1:5
Nov 02 22:14:28.241 INFO kablam!   |
Nov 02 22:14:28.241 INFO kablam! 1 | use std::collections::HashMap;
Nov 02 22:14:28.241 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 22:14:28.241 INFO kablam!   |
Nov 02 22:14:28.241 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 02 22:14:28.241 INFO kablam! 
Nov 02 22:14:28.241 INFO kablam! warning: unused import: `std::cmp`
Nov 02 22:14:28.241 INFO kablam!  --> src/feature/mod.rs:1:5
Nov 02 22:14:28.241 INFO kablam!   |
Nov 02 22:14:28.241 INFO kablam! 1 | use std::cmp;
Nov 02 22:14:28.241 INFO kablam!   |     ^^^^^^^^
Nov 02 22:14:28.241 INFO kablam! 
Nov 02 22:14:28.241 INFO kablam! warning: unused import: `Hash`
Nov 02 22:14:28.241 INFO kablam!  --> src/feature/mod.rs:3:17
Nov 02 22:14:28.241 INFO kablam!   |
Nov 02 22:14:28.241 INFO kablam! 3 | use std::hash::{Hash, Hasher};
Nov 02 22:14:28.241 INFO kablam!   |                 ^^^^
Nov 02 22:14:28.241 INFO kablam! 
Nov 02 22:14:28.241 INFO kablam! warning: unused import: `std::iter::FromIterator`
Nov 02 22:14:28.241 INFO kablam!  --> src/feature/mod.rs:4:5
Nov 02 22:14:28.241 INFO kablam!   |
Nov 02 22:14:28.241 INFO kablam! 4 | use std::iter::FromIterator;
Nov 02 22:14:28.241 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 22:14:28.241 INFO kablam! 
Nov 02 22:14:28.241 INFO kablam! warning: unused imports: `Index`, `RangeFrom`, `RangeTo`
Nov 02 22:14:28.241 INFO kablam!  --> src/feature/mod.rs:5:16
Nov 02 22:14:28.241 INFO kablam!   |
Nov 02 22:14:28.241 INFO kablam! 5 | use std::ops::{Index, RangeTo, RangeFrom};
Nov 02 22:14:28.242 INFO kablam!   |                ^^^^^  ^^^^^^^  ^^^^^^^^^
Nov 02 22:14:28.242 INFO kablam! 
Nov 02 22:14:28.242 INFO kablam! warning: unused import: `HashSet`
Nov 02 22:14:28.242 INFO kablam!  --> src/feature/mod.rs:6:24
Nov 02 22:14:28.242 INFO kablam!   |
Nov 02 22:14:28.242 INFO kablam! 6 | use std::collections::{HashSet, HashMap};
Nov 02 22:14:28.242 INFO kablam!   |                        ^^^^^^^
Nov 02 22:14:28.242 INFO kablam! 
Nov 02 22:14:28.316 INFO kablam! warning: unused import: `std::collections::HashMap`
Nov 02 22:14:28.316 INFO kablam!  --> src/main.rs:1:5
Nov 02 22:14:28.316 INFO kablam!   |
Nov 02 22:14:28.316 INFO kablam! 1 | use std::collections::HashMap;
Nov 02 22:14:28.316 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 22:14:28.316 INFO kablam!   |
Nov 02 22:14:28.316 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 02 22:14:28.316 INFO kablam! 
Nov 02 22:14:28.316 INFO kablam! warning: unused import: `std::cmp`
Nov 02 22:14:28.316 INFO kablam!  --> src/feature/mod.rs:1:5
Nov 02 22:14:28.316 INFO kablam!   |
Nov 02 22:14:28.316 INFO kablam! 1 | use std::cmp;
Nov 02 22:14:28.316 INFO kablam!   |     ^^^^^^^^
Nov 02 22:14:28.316 INFO kablam! 
Nov 02 22:14:28.316 INFO kablam! warning: unused import: `Hash`
Nov 02 22:14:28.316 INFO kablam!  --> src/feature/mod.rs:3:17
Nov 02 22:14:28.316 INFO kablam!   |
Nov 02 22:14:28.316 INFO kablam! 3 | use std::hash::{Hash, Hasher};
Nov 02 22:14:28.316 INFO kablam!   |                 ^^^^
Nov 02 22:14:28.317 INFO kablam! 
Nov 02 22:14:28.317 INFO kablam! warning: unused import: `std::iter::FromIterator`
Nov 02 22:14:28.317 INFO kablam!  --> src/feature/mod.rs:4:5
Nov 02 22:14:28.317 INFO kablam!   |
Nov 02 22:14:28.317 INFO kablam! 4 | use std::iter::FromIterator;
Nov 02 22:14:28.317 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 22:14:28.317 INFO kablam! 
Nov 02 22:14:28.317 INFO kablam! warning: unused imports: `Index`, `RangeFrom`, `RangeTo`
Nov 02 22:14:28.317 INFO kablam!  --> src/feature/mod.rs:5:16
Nov 02 22:14:28.317 INFO kablam!   |
Nov 02 22:14:28.317 INFO kablam! 5 | use std::ops::{Index, RangeTo, RangeFrom};
Nov 02 22:14:28.317 INFO kablam!   |                ^^^^^  ^^^^^^^  ^^^^^^^^^
Nov 02 22:14:28.317 INFO kablam! 
Nov 02 22:14:28.317 INFO kablam! warning: unused import: `HashSet`
Nov 02 22:14:28.317 INFO kablam!  --> src/feature/mod.rs:6:24
Nov 02 22:14:28.317 INFO kablam!   |
Nov 02 22:14:28.317 INFO kablam! 6 | use std::collections::{HashSet, HashMap};
Nov 02 22:14:28.317 INFO kablam!   |                        ^^^^^^^
Nov 02 22:14:28.317 INFO kablam! 
Nov 02 22:14:28.404 INFO kablam! warning: unused import: `Hasher`
Nov 02 22:14:28.404 INFO kablam!  --> src/feature/mod.rs:3:23
Nov 02 22:14:28.404 INFO kablam!   |
Nov 02 22:14:28.404 INFO kablam! 3 | use std::hash::{Hash, Hasher};
Nov 02 22:14:28.404 INFO kablam!   |                       ^^^^^^
Nov 02 22:14:28.404 INFO kablam! 
Nov 02 22:14:28.412 INFO kablam! warning: unused variable: `value_index`
Nov 02 22:14:28.412 INFO kablam!   --> src/decision_tree/mod.rs:33:18
Nov 02 22:14:28.412 INFO kablam!    |
Nov 02 22:14:28.412 INFO kablam! 33 |             for (value_index, value) in feature.iter().enumerate() {
Nov 02 22:14:28.412 INFO kablam!    |                  ^^^^^^^^^^^ help: consider using `_value_index` instead
Nov 02 22:14:28.412 INFO kablam!    |
Nov 02 22:14:28.412 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 02 22:14:28.412 INFO kablam! 
Nov 02 22:14:28.412 INFO kablam! warning: unused variable: `depth`
Nov 02 22:14:28.412 INFO kablam!   --> src/decision_tree/mod.rs:30:49
Nov 02 22:14:28.412 INFO kablam!    |
Nov 02 22:14:28.412 INFO kablam! 30 |     fn build_tree(&mut self, dataset: &Dataset, depth: usize) -> DecisionTree {
Nov 02 22:14:28.412 INFO kablam!    |                                                 ^^^^^ help: consider using `_depth` instead
Nov 02 22:14:28.412 INFO kablam! 
Nov 02 22:14:28.412 INFO kablam! warning: unused variable: `data`
Nov 02 22:14:28.412 INFO kablam!   --> src/decision_tree/mod.rs:51:34
Nov 02 22:14:28.412 INFO kablam!    |
Nov 02 22:14:28.412 INFO kablam! 51 |     fn argmin_cost<D: Splitable>(data: D) -> (f32, usize, Value) {
Nov 02 22:14:28.412 INFO kablam!    |                                  ^^^^ help: consider using `_data` instead
Nov 02 22:14:28.413 INFO kablam! 
Nov 02 22:14:28.455 INFO kablam! warning: field is never used: `root`
Nov 02 22:14:28.455 INFO kablam!  --> src/decision_tree/mod.rs:7:5
Nov 02 22:14:28.455 INFO kablam!   |
Nov 02 22:14:28.455 INFO kablam! 7 |     root: Option<DecisionNode>,
Nov 02 22:14:28.455 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 22:14:28.455 INFO kablam!   |
Nov 02 22:14:28.456 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 02 22:14:28.456 INFO kablam! 
Nov 02 22:14:28.459 INFO kablam! warning: field is never used: `min_split`
Nov 02 22:14:28.459 INFO kablam!  --> src/decision_tree/mod.rs:8:5
Nov 02 22:14:28.459 INFO kablam!   |
Nov 02 22:14:28.459 INFO kablam! 8 |     min_split: usize,
Nov 02 22:14:28.459 INFO kablam!   |     ^^^^^^^^^^^^^^^^
Nov 02 22:14:28.459 INFO kablam! 
Nov 02 22:14:28.459 INFO kablam! warning: field is never used: `min_impurity`
Nov 02 22:14:28.459 INFO kablam!  --> src/decision_tree/mod.rs:9:5
Nov 02 22:14:28.459 INFO kablam!   |
Nov 02 22:14:28.459 INFO kablam! 9 |     min_impurity: f32,
Nov 02 22:14:28.459 INFO kablam!   |     ^^^^^^^^^^^^^^^^^
Nov 02 22:14:28.459 INFO kablam! 
Nov 02 22:14:28.459 INFO kablam! warning: field is never used: `max_depth`
Nov 02 22:14:28.459 INFO kablam!   --> src/decision_tree/mod.rs:10:5
Nov 02 22:14:28.459 INFO kablam!    |
Nov 02 22:14:28.459 INFO kablam! 10 |     max_depth: usize,
Nov 02 22:14:28.459 INFO kablam!    |     ^^^^^^^^^^^^^^^^
Nov 02 22:14:28.459 INFO kablam! 
Nov 02 22:14:28.459 INFO kablam! warning: field is never used: `cost_fn`
Nov 02 22:14:28.459 INFO kablam!   --> src/decision_tree/mod.rs:11:5
Nov 02 22:14:28.459 INFO kablam!    |
Nov 02 22:14:28.459 INFO kablam! 11 |     cost_fn: fn(&[f32]) -> f32,
Nov 02 22:14:28.459 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 22:14:28.459 INFO kablam! 
Nov 02 22:14:28.459 INFO kablam! warning: field is never used: `leaf_fn`
Nov 02 22:14:28.459 INFO kablam!   --> src/decision_tree/mod.rs:12:5
Nov 02 22:14:28.459 INFO kablam!    |
Nov 02 22:14:28.459 INFO kablam! 12 |     leaf_fn: fn() -> f32,
Nov 02 22:14:28.459 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^
Nov 02 22:14:28.459 INFO kablam! 
Nov 02 22:14:28.459 INFO kablam! warning: method is never used: `build_tree`
Nov 02 22:14:28.459 INFO kablam!   --> src/decision_tree/mod.rs:30:5
Nov 02 22:14:28.459 INFO kablam!    |
Nov 02 22:14:28.459 INFO kablam! 30 |     fn build_tree(&mut self, dataset: &Dataset, depth: usize) -> DecisionTree {
Nov 02 22:14:28.459 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 22:14:28.459 INFO kablam! 
Nov 02 22:14:28.459 INFO kablam! warning: method is never used: `argmin_cost`
Nov 02 22:14:28.459 INFO kablam!   --> src/decision_tree/mod.rs:51:5
Nov 02 22:14:28.459 INFO kablam!    |
Nov 02 22:14:28.459 INFO kablam! 51 |     fn argmin_cost<D: Splitable>(data: D) -> (f32, usize, Value) {
Nov 02 22:14:28.459 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 22:14:28.459 INFO kablam! 
Nov 02 22:14:28.508 INFO kablam! warning: unused import: `Hasher`
Nov 02 22:14:28.508 INFO kablam!  --> src/feature/mod.rs:3:23
Nov 02 22:14:28.508 INFO kablam!   |
Nov 02 22:14:28.508 INFO kablam! 3 | use std::hash::{Hash, Hasher};
Nov 02 22:14:28.508 INFO kablam!   |                       ^^^^^^
Nov 02 22:14:28.508 INFO kablam! 
Nov 02 22:14:28.517 INFO kablam! warning: unused variable: `value_index`
Nov 02 22:14:28.517 INFO kablam!   --> src/decision_tree/mod.rs:33:18
Nov 02 22:14:28.517 INFO kablam!    |
Nov 02 22:14:28.517 INFO kablam! 33 |             for (value_index, value) in feature.iter().enumerate() {
Nov 02 22:14:28.517 INFO kablam!    |                  ^^^^^^^^^^^ help: consider using `_value_index` instead
Nov 02 22:14:28.517 INFO kablam!    |
Nov 02 22:14:28.517 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 02 22:14:28.517 INFO kablam! 
Nov 02 22:14:28.517 INFO kablam! warning: unused variable: `depth`
Nov 02 22:14:28.517 INFO kablam!   --> src/decision_tree/mod.rs:30:49
Nov 02 22:14:28.517 INFO kablam!    |
Nov 02 22:14:28.517 INFO kablam! 30 |     fn build_tree(&mut self, dataset: &Dataset, depth: usize) -> DecisionTree {
Nov 02 22:14:28.517 INFO kablam!    |                                                 ^^^^^ help: consider using `_depth` instead
Nov 02 22:14:28.517 INFO kablam! 
Nov 02 22:14:28.517 INFO kablam! warning: unused variable: `data`
Nov 02 22:14:28.517 INFO kablam!   --> src/decision_tree/mod.rs:51:34
Nov 02 22:14:28.517 INFO kablam!    |
Nov 02 22:14:28.517 INFO kablam! 51 |     fn argmin_cost<D: Splitable>(data: D) -> (f32, usize, Value) {
Nov 02 22:14:28.517 INFO kablam!    |                                  ^^^^ help: consider using `_data` instead
Nov 02 22:14:28.517 INFO kablam! 
Nov 02 22:14:28.559 INFO kablam! warning: field is never used: `root`
Nov 02 22:14:28.560 INFO kablam!  --> src/decision_tree/mod.rs:7:5
Nov 02 22:14:28.560 INFO kablam!   |
Nov 02 22:14:28.560 INFO kablam! 7 |     root: Option<DecisionNode>,
Nov 02 22:14:28.560 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 22:14:28.560 INFO kablam!   |
Nov 02 22:14:28.560 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 02 22:14:28.560 INFO kablam! 
Nov 02 22:14:28.560 INFO kablam! warning: field is never used: `min_split`
Nov 02 22:14:28.560 INFO kablam!  --> src/decision_tree/mod.rs:8:5
Nov 02 22:14:28.560 INFO kablam!   |
Nov 02 22:14:28.560 INFO kablam! 8 |     min_split: usize,
Nov 02 22:14:28.560 INFO kablam!   |     ^^^^^^^^^^^^^^^^
Nov 02 22:14:28.560 INFO kablam! 
Nov 02 22:14:28.564 INFO kablam! warning: field is never used: `min_impurity`
Nov 02 22:14:28.564 INFO kablam!  --> src/decision_tree/mod.rs:9:5
Nov 02 22:14:28.564 INFO kablam!   |
Nov 02 22:14:28.564 INFO kablam! 9 |     min_impurity: f32,
Nov 02 22:14:28.564 INFO kablam!   |     ^^^^^^^^^^^^^^^^^
Nov 02 22:14:28.564 INFO kablam! 
Nov 02 22:14:28.565 INFO kablam! warning: field is never used: `max_depth`
Nov 02 22:14:28.565 INFO kablam!   --> src/decision_tree/mod.rs:10:5
Nov 02 22:14:28.565 INFO kablam!    |
Nov 02 22:14:28.565 INFO kablam! 10 |     max_depth: usize,
Nov 02 22:14:28.565 INFO kablam!    |     ^^^^^^^^^^^^^^^^
Nov 02 22:14:28.565 INFO kablam! 
Nov 02 22:14:28.566 INFO kablam! warning: field is never used: `cost_fn`
Nov 02 22:14:28.566 INFO kablam!   --> src/decision_tree/mod.rs:11:5
Nov 02 22:14:28.566 INFO kablam!    |
Nov 02 22:14:28.566 INFO kablam! 11 |     cost_fn: fn(&[f32]) -> f32,
Nov 02 22:14:28.566 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 22:14:28.566 INFO kablam! 
Nov 02 22:14:28.566 INFO kablam! warning: field is never used: `leaf_fn`
Nov 02 22:14:28.566 INFO kablam!   --> src/decision_tree/mod.rs:12:5
Nov 02 22:14:28.566 INFO kablam!    |
Nov 02 22:14:28.566 INFO kablam! 12 |     leaf_fn: fn() -> f32,
Nov 02 22:14:28.566 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^
Nov 02 22:14:28.566 INFO kablam! 
Nov 02 22:14:28.567 INFO kablam! warning: method is never used: `build_tree`
Nov 02 22:14:28.567 INFO kablam!   --> src/decision_tree/mod.rs:30:5
Nov 02 22:14:28.567 INFO kablam!    |
Nov 02 22:14:28.567 INFO kablam! 30 |     fn build_tree(&mut self, dataset: &Dataset, depth: usize) -> DecisionTree {
Nov 02 22:14:28.567 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 22:14:28.567 INFO kablam! 
Nov 02 22:14:28.567 INFO kablam! warning: method is never used: `argmin_cost`
Nov 02 22:14:28.567 INFO kablam!   --> src/decision_tree/mod.rs:51:5
Nov 02 22:14:28.567 INFO kablam!    |
Nov 02 22:14:28.567 INFO kablam! 51 |     fn argmin_cost<D: Splitable>(data: D) -> (f32, usize, Value) {
Nov 02 22:14:28.568 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 22:14:28.568 INFO kablam! 
Nov 02 22:14:28.600 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.37s
Nov 02 22:14:28.603 INFO kablam! su: No module specific data is present
Nov 02 22:14:29.275 INFO running `"docker" "rm" "-f" "60ba38e2235ab436239a25160f7d78bbca2d085340cc850df95aadf599a90772"`
Nov 02 22:14:29.660 INFO blam! 60ba38e2235ab436239a25160f7d78bbca2d085340cc850df95aadf599a90772