Nov 07 05:24:16.958 INFO checking CloneRob/iron_woods against master#24e66c28980442a48d9458f1a4f9b76cc722dc8a for pr-55687
Nov 07 05:24:16.959 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55687/worker-3/master#24e66c28980442a48d9458f1a4f9b76cc722dc8a:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55687/master#24e66c28980442a48d9458f1a4f9b76cc722dc8a:/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 +24e66c28980442a48d9458f1a4f9b76cc722dc8a-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 07 05:24:17.408 INFO blam! bb563fe1c0f7f40558adf8683a9e37e3ef26fdf509651f01187536ce5638c394
Nov 07 05:24:17.417 INFO running `"docker" "start" "-a" "bb563fe1c0f7f40558adf8683a9e37e3ef26fdf509651f01187536ce5638c394"`
Nov 07 05:24:19.028 INFO kablam! usermod: no changes
Nov 07 05:24:19.080 INFO kablam!     Checking iron_woods v0.1.0 (/source)
Nov 07 05:24:19.953 INFO kablam! warning: unused import: `std::collections::HashMap`
Nov 07 05:24:19.953 INFO kablam!  --> src/main.rs:1:5
Nov 07 05:24:19.954 INFO kablam!   |
Nov 07 05:24:19.954 INFO kablam! 1 | use std::collections::HashMap;
Nov 07 05:24:19.954 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 07 05:24:19.954 INFO kablam!   |
Nov 07 05:24:19.955 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 07 05:24:19.955 INFO kablam! 
Nov 07 05:24:19.955 INFO kablam! warning: unused import: `std::cmp`
Nov 07 05:24:19.955 INFO kablam!  --> src/feature/mod.rs:1:5
Nov 07 05:24:19.956 INFO kablam!   |
Nov 07 05:24:19.956 INFO kablam! 1 | use std::cmp;
Nov 07 05:24:19.956 INFO kablam!   |     ^^^^^^^^
Nov 07 05:24:19.956 INFO kablam! 
Nov 07 05:24:19.957 INFO kablam! warning: unused import: `Hash`
Nov 07 05:24:19.957 INFO kablam!  --> src/feature/mod.rs:3:17
Nov 07 05:24:19.957 INFO kablam!   |
Nov 07 05:24:19.957 INFO kablam! 3 | use std::hash::{Hash, Hasher};
Nov 07 05:24:19.958 INFO kablam!   |                 ^^^^
Nov 07 05:24:19.958 INFO kablam! 
Nov 07 05:24:19.958 INFO kablam! warning: unused import: `std::iter::FromIterator`
Nov 07 05:24:19.959 INFO kablam!  --> src/feature/mod.rs:4:5
Nov 07 05:24:19.959 INFO kablam!   |
Nov 07 05:24:19.959 INFO kablam! 4 | use std::iter::FromIterator;
Nov 07 05:24:19.959 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^
Nov 07 05:24:19.960 INFO kablam! 
Nov 07 05:24:19.960 INFO kablam! warning: unused imports: `Index`, `RangeFrom`, `RangeTo`
Nov 07 05:24:19.960 INFO kablam!  --> src/feature/mod.rs:5:16
Nov 07 05:24:19.961 INFO kablam!   |
Nov 07 05:24:19.961 INFO kablam! 5 | use std::ops::{Index, RangeTo, RangeFrom};
Nov 07 05:24:19.961 INFO kablam!   |                ^^^^^  ^^^^^^^  ^^^^^^^^^
Nov 07 05:24:19.962 INFO kablam! 
Nov 07 05:24:19.962 INFO kablam! warning: unused import: `HashSet`
Nov 07 05:24:19.962 INFO kablam!  --> src/feature/mod.rs:6:24
Nov 07 05:24:19.962 INFO kablam!   |
Nov 07 05:24:19.963 INFO kablam! 6 | use std::collections::{HashSet, HashMap};
Nov 07 05:24:19.963 INFO kablam!   |                        ^^^^^^^
Nov 07 05:24:19.963 INFO kablam! 
Nov 07 05:24:20.236 INFO kablam! warning: unused import: `Hasher`
Nov 07 05:24:20.236 INFO kablam!  --> src/feature/mod.rs:3:23
Nov 07 05:24:20.236 INFO kablam!   |
Nov 07 05:24:20.236 INFO kablam! 3 | use std::hash::{Hash, Hasher};
Nov 07 05:24:20.236 INFO kablam!   |                       ^^^^^^
Nov 07 05:24:20.260 INFO kablam! 
Nov 07 05:24:20.284 INFO kablam! warning: unused variable: `value_index`
Nov 07 05:24:20.284 INFO kablam!   --> src/decision_tree/mod.rs:33:18
Nov 07 05:24:20.284 INFO kablam!    |
Nov 07 05:24:20.284 INFO kablam! 33 |             for (value_index, value) in feature.iter().enumerate() {
Nov 07 05:24:20.284 INFO kablam!    |                  ^^^^^^^^^^^ help: consider using `_value_index` instead
Nov 07 05:24:20.284 INFO kablam!    |
Nov 07 05:24:20.284 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 07 05:24:20.284 INFO kablam! 
Nov 07 05:24:20.284 INFO kablam! warning: unused variable: `depth`
Nov 07 05:24:20.284 INFO kablam!   --> src/decision_tree/mod.rs:30:49
Nov 07 05:24:20.284 INFO kablam!    |
Nov 07 05:24:20.284 INFO kablam! 30 |     fn build_tree(&mut self, dataset: &Dataset, depth: usize) -> DecisionTree {
Nov 07 05:24:20.284 INFO kablam!    |                                                 ^^^^^ help: consider using `_depth` instead
Nov 07 05:24:20.284 INFO kablam! 
Nov 07 05:24:20.284 INFO kablam! warning: unused variable: `data`
Nov 07 05:24:20.284 INFO kablam!   --> src/decision_tree/mod.rs:51:34
Nov 07 05:24:20.284 INFO kablam!    |
Nov 07 05:24:20.284 INFO kablam! 51 |     fn argmin_cost<D: Splitable>(data: D) -> (f32, usize, Value) {
Nov 07 05:24:20.284 INFO kablam!    |                                  ^^^^ help: consider using `_data` instead
Nov 07 05:24:20.284 INFO kablam! 
Nov 07 05:24:20.320 INFO kablam! warning: unused import: `std::collections::HashMap`
Nov 07 05:24:20.320 INFO kablam!  --> src/main.rs:1:5
Nov 07 05:24:20.320 INFO kablam!   |
Nov 07 05:24:20.320 INFO kablam! 1 | use std::collections::HashMap;
Nov 07 05:24:20.320 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 07 05:24:20.348 INFO kablam!   |
Nov 07 05:24:20.348 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 07 05:24:20.348 INFO kablam! 
Nov 07 05:24:20.348 INFO kablam! warning: unused import: `std::cmp`
Nov 07 05:24:20.348 INFO kablam!  --> src/feature/mod.rs:1:5
Nov 07 05:24:20.348 INFO kablam!   |
Nov 07 05:24:20.348 INFO kablam! 1 | use std::cmp;
Nov 07 05:24:20.348 INFO kablam!   |     ^^^^^^^^
Nov 07 05:24:20.348 INFO kablam! 
Nov 07 05:24:20.348 INFO kablam! warning: unused import: `Hash`
Nov 07 05:24:20.348 INFO kablam!  --> src/feature/mod.rs:3:17
Nov 07 05:24:20.348 INFO kablam!   |
Nov 07 05:24:20.348 INFO kablam! 3 | use std::hash::{Hash, Hasher};
Nov 07 05:24:20.348 INFO kablam!   |                 ^^^^
Nov 07 05:24:20.348 INFO kablam! 
Nov 07 05:24:20.348 INFO kablam! warning: unused import: `std::iter::FromIterator`
Nov 07 05:24:20.349 INFO kablam!  --> src/feature/mod.rs:4:5
Nov 07 05:24:20.349 INFO kablam!   |
Nov 07 05:24:20.349 INFO kablam! 4 | use std::iter::FromIterator;
Nov 07 05:24:20.349 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^
Nov 07 05:24:20.349 INFO kablam! 
Nov 07 05:24:20.349 INFO kablam! warning: unused imports: `Index`, `RangeFrom`, `RangeTo`
Nov 07 05:24:20.349 INFO kablam!  --> src/feature/mod.rs:5:16
Nov 07 05:24:20.349 INFO kablam!   |
Nov 07 05:24:20.349 INFO kablam! 5 | use std::ops::{Index, RangeTo, RangeFrom};
Nov 07 05:24:20.349 INFO kablam!   |                ^^^^^  ^^^^^^^  ^^^^^^^^^
Nov 07 05:24:20.349 INFO kablam! 
Nov 07 05:24:20.349 INFO kablam! warning: unused import: `HashSet`
Nov 07 05:24:20.349 INFO kablam!  --> src/feature/mod.rs:6:24
Nov 07 05:24:20.349 INFO kablam!   |
Nov 07 05:24:20.349 INFO kablam! 6 | use std::collections::{HashSet, HashMap};
Nov 07 05:24:20.349 INFO kablam!   |                        ^^^^^^^
Nov 07 05:24:20.349 INFO kablam! 
Nov 07 05:24:20.409 INFO kablam! warning: field is never used: `root`
Nov 07 05:24:20.409 INFO kablam!  --> src/decision_tree/mod.rs:7:5
Nov 07 05:24:20.409 INFO kablam!   |
Nov 07 05:24:20.409 INFO kablam! 7 |     root: Option<DecisionNode>,
Nov 07 05:24:20.410 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 07 05:24:20.410 INFO kablam!   |
Nov 07 05:24:20.410 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 07 05:24:20.410 INFO kablam! 
Nov 07 05:24:20.411 INFO kablam! warning: field is never used: `min_split`
Nov 07 05:24:20.411 INFO kablam!  --> src/decision_tree/mod.rs:8:5
Nov 07 05:24:20.411 INFO kablam!   |
Nov 07 05:24:20.412 INFO kablam! 8 |     min_split: usize,
Nov 07 05:24:20.412 INFO kablam!   |     ^^^^^^^^^^^^^^^^
Nov 07 05:24:20.412 INFO kablam! 
Nov 07 05:24:20.412 INFO kablam! warning: field is never used: `min_impurity`
Nov 07 05:24:20.413 INFO kablam!  --> src/decision_tree/mod.rs:9:5
Nov 07 05:24:20.413 INFO kablam!   |
Nov 07 05:24:20.413 INFO kablam! 9 |     min_impurity: f32,
Nov 07 05:24:20.414 INFO kablam!   |     ^^^^^^^^^^^^^^^^^
Nov 07 05:24:20.414 INFO kablam! 
Nov 07 05:24:20.414 INFO kablam! warning: field is never used: `max_depth`
Nov 07 05:24:20.415 INFO kablam!   --> src/decision_tree/mod.rs:10:5
Nov 07 05:24:20.415 INFO kablam!    |
Nov 07 05:24:20.415 INFO kablam! 10 |     max_depth: usize,
Nov 07 05:24:20.415 INFO kablam!    |     ^^^^^^^^^^^^^^^^
Nov 07 05:24:20.416 INFO kablam! 
Nov 07 05:24:20.416 INFO kablam! warning: field is never used: `cost_fn`
Nov 07 05:24:20.416 INFO kablam!   --> src/decision_tree/mod.rs:11:5
Nov 07 05:24:20.417 INFO kablam!    |
Nov 07 05:24:20.417 INFO kablam! 11 |     cost_fn: fn(&[f32]) -> f32,
Nov 07 05:24:20.417 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 07 05:24:20.418 INFO kablam! 
Nov 07 05:24:20.418 INFO kablam! warning: field is never used: `leaf_fn`
Nov 07 05:24:20.418 INFO kablam!   --> src/decision_tree/mod.rs:12:5
Nov 07 05:24:20.418 INFO kablam!    |
Nov 07 05:24:20.418 INFO kablam! 12 |     leaf_fn: fn() -> f32,
Nov 07 05:24:20.418 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^
Nov 07 05:24:20.418 INFO kablam! 
Nov 07 05:24:20.418 INFO kablam! warning: method is never used: `build_tree`
Nov 07 05:24:20.418 INFO kablam!   --> src/decision_tree/mod.rs:30:5
Nov 07 05:24:20.418 INFO kablam!    |
Nov 07 05:24:20.418 INFO kablam! 30 |     fn build_tree(&mut self, dataset: &Dataset, depth: usize) -> DecisionTree {
Nov 07 05:24:20.418 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 07 05:24:20.418 INFO kablam! 
Nov 07 05:24:20.418 INFO kablam! warning: method is never used: `argmin_cost`
Nov 07 05:24:20.418 INFO kablam!   --> src/decision_tree/mod.rs:51:5
Nov 07 05:24:20.418 INFO kablam!    |
Nov 07 05:24:20.418 INFO kablam! 51 |     fn argmin_cost<D: Splitable>(data: D) -> (f32, usize, Value) {
Nov 07 05:24:20.418 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 07 05:24:20.418 INFO kablam! 
Nov 07 05:24:20.504 INFO kablam! warning: unused import: `Hasher`
Nov 07 05:24:20.504 INFO kablam!  --> src/feature/mod.rs:3:23
Nov 07 05:24:20.504 INFO kablam!   |
Nov 07 05:24:20.504 INFO kablam! 3 | use std::hash::{Hash, Hasher};
Nov 07 05:24:20.504 INFO kablam!   |                       ^^^^^^
Nov 07 05:24:20.504 INFO kablam! 
Nov 07 05:24:20.512 INFO kablam! warning: unused variable: `value_index`
Nov 07 05:24:20.512 INFO kablam!   --> src/decision_tree/mod.rs:33:18
Nov 07 05:24:20.512 INFO kablam!    |
Nov 07 05:24:20.512 INFO kablam! 33 |             for (value_index, value) in feature.iter().enumerate() {
Nov 07 05:24:20.512 INFO kablam!    |                  ^^^^^^^^^^^ help: consider using `_value_index` instead
Nov 07 05:24:20.512 INFO kablam!    |
Nov 07 05:24:20.512 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 07 05:24:20.512 INFO kablam! 
Nov 07 05:24:20.512 INFO kablam! warning: unused variable: `depth`
Nov 07 05:24:20.512 INFO kablam!   --> src/decision_tree/mod.rs:30:49
Nov 07 05:24:20.512 INFO kablam!    |
Nov 07 05:24:20.512 INFO kablam! 30 |     fn build_tree(&mut self, dataset: &Dataset, depth: usize) -> DecisionTree {
Nov 07 05:24:20.512 INFO kablam!    |                                                 ^^^^^ help: consider using `_depth` instead
Nov 07 05:24:20.512 INFO kablam! 
Nov 07 05:24:20.512 INFO kablam! warning: unused variable: `data`
Nov 07 05:24:20.512 INFO kablam!   --> src/decision_tree/mod.rs:51:34
Nov 07 05:24:20.512 INFO kablam!    |
Nov 07 05:24:20.512 INFO kablam! 51 |     fn argmin_cost<D: Splitable>(data: D) -> (f32, usize, Value) {
Nov 07 05:24:20.512 INFO kablam!    |                                  ^^^^ help: consider using `_data` instead
Nov 07 05:24:20.512 INFO kablam! 
Nov 07 05:24:20.552 INFO kablam! warning: field is never used: `root`
Nov 07 05:24:20.552 INFO kablam!  --> src/decision_tree/mod.rs:7:5
Nov 07 05:24:20.552 INFO kablam!   |
Nov 07 05:24:20.552 INFO kablam! 7 |     root: Option<DecisionNode>,
Nov 07 05:24:20.552 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 07 05:24:20.552 INFO kablam!   |
Nov 07 05:24:20.552 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 07 05:24:20.552 INFO kablam! 
Nov 07 05:24:20.552 INFO kablam! warning: field is never used: `min_split`
Nov 07 05:24:20.552 INFO kablam!  --> src/decision_tree/mod.rs:8:5
Nov 07 05:24:20.552 INFO kablam!   |
Nov 07 05:24:20.552 INFO kablam! 8 |     min_split: usize,
Nov 07 05:24:20.552 INFO kablam!   |     ^^^^^^^^^^^^^^^^
Nov 07 05:24:20.552 INFO kablam! 
Nov 07 05:24:20.560 INFO kablam! warning: field is never used: `min_impurity`
Nov 07 05:24:20.560 INFO kablam!  --> src/decision_tree/mod.rs:9:5
Nov 07 05:24:20.560 INFO kablam!   |
Nov 07 05:24:20.560 INFO kablam! 9 |     min_impurity: f32,
Nov 07 05:24:20.560 INFO kablam!   |     ^^^^^^^^^^^^^^^^^
Nov 07 05:24:20.560 INFO kablam! 
Nov 07 05:24:20.560 INFO kablam! warning: field is never used: `max_depth`
Nov 07 05:24:20.560 INFO kablam!   --> src/decision_tree/mod.rs:10:5
Nov 07 05:24:20.560 INFO kablam!    |
Nov 07 05:24:20.560 INFO kablam! 10 |     max_depth: usize,
Nov 07 05:24:20.560 INFO kablam!    |     ^^^^^^^^^^^^^^^^
Nov 07 05:24:20.560 INFO kablam! 
Nov 07 05:24:20.560 INFO kablam! warning: field is never used: `cost_fn`
Nov 07 05:24:20.560 INFO kablam!   --> src/decision_tree/mod.rs:11:5
Nov 07 05:24:20.560 INFO kablam!    |
Nov 07 05:24:20.560 INFO kablam! 11 |     cost_fn: fn(&[f32]) -> f32,
Nov 07 05:24:20.560 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 07 05:24:20.560 INFO kablam! 
Nov 07 05:24:20.560 INFO kablam! warning: field is never used: `leaf_fn`
Nov 07 05:24:20.560 INFO kablam!   --> src/decision_tree/mod.rs:12:5
Nov 07 05:24:20.560 INFO kablam!    |
Nov 07 05:24:20.560 INFO kablam! 12 |     leaf_fn: fn() -> f32,
Nov 07 05:24:20.561 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^
Nov 07 05:24:20.561 INFO kablam! 
Nov 07 05:24:20.561 INFO kablam! warning: method is never used: `build_tree`
Nov 07 05:24:20.561 INFO kablam!   --> src/decision_tree/mod.rs:30:5
Nov 07 05:24:20.561 INFO kablam!    |
Nov 07 05:24:20.561 INFO kablam! 30 |     fn build_tree(&mut self, dataset: &Dataset, depth: usize) -> DecisionTree {
Nov 07 05:24:20.561 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 07 05:24:20.561 INFO kablam! 
Nov 07 05:24:20.561 INFO kablam! warning: method is never used: `argmin_cost`
Nov 07 05:24:20.561 INFO kablam!   --> src/decision_tree/mod.rs:51:5
Nov 07 05:24:20.561 INFO kablam!    |
Nov 07 05:24:20.561 INFO kablam! 51 |     fn argmin_cost<D: Splitable>(data: D) -> (f32, usize, Value) {
Nov 07 05:24:20.561 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 07 05:24:20.561 INFO kablam! 
Nov 07 05:24:20.596 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.53s
Nov 07 05:24:20.596 INFO kablam! su: No module specific data is present
Nov 07 05:24:21.798 INFO running `"docker" "rm" "-f" "bb563fe1c0f7f40558adf8683a9e37e3ef26fdf509651f01187536ce5638c394"`
Nov 07 05:24:22.158 INFO blam! bb563fe1c0f7f40558adf8683a9e37e3ef26fdf509651f01187536ce5638c394