Nov 01 12:41:44.301 INFO checking CloneRob/iron_woods against master#05812fa8c588473f03e3fa7cf59cd84f4f37c715 for pr-55538
Nov 01 12:41:44.301 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-0/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55538/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/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 +05812fa8c588473f03e3fa7cf59cd84f4f37c715-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 01 12:41:44.699 INFO blam! a747b11fa15260a43f6f37cbc6baf5eec1f3f09a48e443aed9d8965a59eeb92c
Nov 01 12:41:44.700 INFO running `"docker" "start" "-a" "a747b11fa15260a43f6f37cbc6baf5eec1f3f09a48e443aed9d8965a59eeb92c"`
Nov 01 12:41:46.680 INFO kablam! usermod: no changes
Nov 01 12:41:46.724 INFO kablam!     Checking iron_woods v0.1.0 (/source)
Nov 01 12:41:47.264 INFO kablam! warning: unused import: `std::collections::HashMap`
Nov 01 12:41:47.264 INFO kablam!  --> src/main.rs:1:5
Nov 01 12:41:47.264 INFO kablam!   |
Nov 01 12:41:47.264 INFO kablam! 1 | use std::collections::HashMap;
Nov 01 12:41:47.264 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 12:41:47.264 INFO kablam!   |
Nov 01 12:41:47.264 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 01 12:41:47.264 INFO kablam! 
Nov 01 12:41:47.264 INFO kablam! warning: unused import: `std::cmp`
Nov 01 12:41:47.264 INFO kablam!  --> src/feature/mod.rs:1:5
Nov 01 12:41:47.264 INFO kablam!   |
Nov 01 12:41:47.264 INFO kablam! 1 | use std::cmp;
Nov 01 12:41:47.264 INFO kablam!   |     ^^^^^^^^
Nov 01 12:41:47.264 INFO kablam! 
Nov 01 12:41:47.264 INFO kablam! warning: unused import: `Hash`
Nov 01 12:41:47.264 INFO kablam!  --> src/feature/mod.rs:3:17
Nov 01 12:41:47.264 INFO kablam!   |
Nov 01 12:41:47.264 INFO kablam! 3 | use std::hash::{Hash, Hasher};
Nov 01 12:41:47.264 INFO kablam!   |                 ^^^^
Nov 01 12:41:47.264 INFO kablam! 
Nov 01 12:41:47.264 INFO kablam! warning: unused import: `std::iter::FromIterator`
Nov 01 12:41:47.264 INFO kablam!  --> src/feature/mod.rs:4:5
Nov 01 12:41:47.264 INFO kablam!   |
Nov 01 12:41:47.264 INFO kablam! 4 | use std::iter::FromIterator;
Nov 01 12:41:47.264 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 12:41:47.264 INFO kablam! 
Nov 01 12:41:47.264 INFO kablam! warning: unused imports: `Index`, `RangeFrom`, `RangeTo`
Nov 01 12:41:47.264 INFO kablam!  --> src/feature/mod.rs:5:16
Nov 01 12:41:47.264 INFO kablam!   |
Nov 01 12:41:47.264 INFO kablam! 5 | use std::ops::{Index, RangeTo, RangeFrom};
Nov 01 12:41:47.264 INFO kablam!   |                ^^^^^  ^^^^^^^  ^^^^^^^^^
Nov 01 12:41:47.264 INFO kablam! 
Nov 01 12:41:47.264 INFO kablam! warning: unused import: `HashSet`
Nov 01 12:41:47.264 INFO kablam!  --> src/feature/mod.rs:6:24
Nov 01 12:41:47.264 INFO kablam!   |
Nov 01 12:41:47.264 INFO kablam! 6 | use std::collections::{HashSet, HashMap};
Nov 01 12:41:47.264 INFO kablam!   |                        ^^^^^^^
Nov 01 12:41:47.264 INFO kablam! 
Nov 01 12:41:47.392 INFO kablam! warning: unused import: `Hasher`
Nov 01 12:41:47.393 INFO kablam!  --> src/feature/mod.rs:3:23
Nov 01 12:41:47.393 INFO kablam!   |
Nov 01 12:41:47.393 INFO kablam! 3 | use std::hash::{Hash, Hasher};
Nov 01 12:41:47.393 INFO kablam!   |                       ^^^^^^
Nov 01 12:41:47.393 INFO kablam! 
Nov 01 12:41:47.402 INFO kablam! warning: unused variable: `value_index`
Nov 01 12:41:47.403 INFO kablam!   --> src/decision_tree/mod.rs:33:18
Nov 01 12:41:47.403 INFO kablam!    |
Nov 01 12:41:47.403 INFO kablam! 33 |             for (value_index, value) in feature.iter().enumerate() {
Nov 01 12:41:47.404 INFO kablam!    |                  ^^^^^^^^^^^ help: consider using `_value_index` instead
Nov 01 12:41:47.404 INFO kablam!    |
Nov 01 12:41:47.404 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 01 12:41:47.405 INFO kablam! 
Nov 01 12:41:47.405 INFO kablam! warning: unused variable: `depth`
Nov 01 12:41:47.406 INFO kablam!   --> src/decision_tree/mod.rs:30:49
Nov 01 12:41:47.406 INFO kablam!    |
Nov 01 12:41:47.406 INFO kablam! 30 |     fn build_tree(&mut self, dataset: &Dataset, depth: usize) -> DecisionTree {
Nov 01 12:41:47.406 INFO kablam!    |                                                 ^^^^^ help: consider using `_depth` instead
Nov 01 12:41:47.407 INFO kablam! 
Nov 01 12:41:47.407 INFO kablam! warning: unused variable: `data`
Nov 01 12:41:47.407 INFO kablam!   --> src/decision_tree/mod.rs:51:34
Nov 01 12:41:47.408 INFO kablam!    |
Nov 01 12:41:47.408 INFO kablam! 51 |     fn argmin_cost<D: Splitable>(data: D) -> (f32, usize, Value) {
Nov 01 12:41:47.408 INFO kablam!    |                                  ^^^^ help: consider using `_data` instead
Nov 01 12:41:47.409 INFO kablam! 
Nov 01 12:41:47.452 INFO kablam! warning: field is never used: `root`
Nov 01 12:41:47.453 INFO kablam!  --> src/decision_tree/mod.rs:7:5
Nov 01 12:41:47.453 INFO kablam!   |
Nov 01 12:41:47.454 INFO kablam! 7 |     root: Option<DecisionNode>,
Nov 01 12:41:47.454 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 12:41:47.455 INFO kablam!   |
Nov 01 12:41:47.455 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 01 12:41:47.455 INFO kablam! 
Nov 01 12:41:47.456 INFO kablam! warning: field is never used: `min_split`
Nov 01 12:41:47.456 INFO kablam!  --> src/decision_tree/mod.rs:8:5
Nov 01 12:41:47.457 INFO kablam!   |
Nov 01 12:41:47.457 INFO kablam! 8 |     min_split: usize,
Nov 01 12:41:47.457 INFO kablam!   |     ^^^^^^^^^^^^^^^^
Nov 01 12:41:47.458 INFO kablam! 
Nov 01 12:41:47.458 INFO kablam! warning: field is never used: `min_impurity`
Nov 01 12:41:47.459 INFO kablam!  --> src/decision_tree/mod.rs:9:5
Nov 01 12:41:47.459 INFO kablam!   |
Nov 01 12:41:47.459 INFO kablam! 9 |     min_impurity: f32,
Nov 01 12:41:47.460 INFO kablam!   |     ^^^^^^^^^^^^^^^^^
Nov 01 12:41:47.460 INFO kablam! 
Nov 01 12:41:47.461 INFO kablam! warning: field is never used: `max_depth`
Nov 01 12:41:47.461 INFO kablam!   --> src/decision_tree/mod.rs:10:5
Nov 01 12:41:47.461 INFO kablam!    |
Nov 01 12:41:47.462 INFO kablam! 10 |     max_depth: usize,
Nov 01 12:41:47.462 INFO kablam!    |     ^^^^^^^^^^^^^^^^
Nov 01 12:41:47.462 INFO kablam! 
Nov 01 12:41:47.463 INFO kablam! warning: field is never used: `cost_fn`
Nov 01 12:41:47.463 INFO kablam!   --> src/decision_tree/mod.rs:11:5
Nov 01 12:41:47.464 INFO kablam!    |
Nov 01 12:41:47.464 INFO kablam! 11 |     cost_fn: fn(&[f32]) -> f32,
Nov 01 12:41:47.464 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 12:41:47.465 INFO kablam! 
Nov 01 12:41:47.465 INFO kablam! warning: field is never used: `leaf_fn`
Nov 01 12:41:47.465 INFO kablam!   --> src/decision_tree/mod.rs:12:5
Nov 01 12:41:47.466 INFO kablam!    |
Nov 01 12:41:47.466 INFO kablam! 12 |     leaf_fn: fn() -> f32,
Nov 01 12:41:47.466 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^
Nov 01 12:41:47.467 INFO kablam! 
Nov 01 12:41:47.467 INFO kablam! warning: method is never used: `build_tree`
Nov 01 12:41:47.468 INFO kablam!   --> src/decision_tree/mod.rs:30:5
Nov 01 12:41:47.468 INFO kablam!    |
Nov 01 12:41:47.468 INFO kablam! 30 |     fn build_tree(&mut self, dataset: &Dataset, depth: usize) -> DecisionTree {
Nov 01 12:41:47.468 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 12:41:47.469 INFO kablam! 
Nov 01 12:41:47.469 INFO kablam! warning: method is never used: `argmin_cost`
Nov 01 12:41:47.469 INFO kablam!   --> src/decision_tree/mod.rs:51:5
Nov 01 12:41:47.470 INFO kablam!    |
Nov 01 12:41:47.470 INFO kablam! 51 |     fn argmin_cost<D: Splitable>(data: D) -> (f32, usize, Value) {
Nov 01 12:41:47.470 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 12:41:47.470 INFO kablam! 
Nov 01 12:41:47.599 INFO kablam! warning: unused import: `std::collections::HashMap`
Nov 01 12:41:47.599 INFO kablam!  --> src/main.rs:1:5
Nov 01 12:41:47.599 INFO kablam!   |
Nov 01 12:41:47.599 INFO kablam! 1 | use std::collections::HashMap;
Nov 01 12:41:47.599 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 12:41:47.599 INFO kablam!   |
Nov 01 12:41:47.599 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 01 12:41:47.599 INFO kablam! 
Nov 01 12:41:47.599 INFO kablam! warning: unused import: `std::cmp`
Nov 01 12:41:47.599 INFO kablam!  --> src/feature/mod.rs:1:5
Nov 01 12:41:47.599 INFO kablam!   |
Nov 01 12:41:47.599 INFO kablam! 1 | use std::cmp;
Nov 01 12:41:47.599 INFO kablam!   |     ^^^^^^^^
Nov 01 12:41:47.599 INFO kablam! 
Nov 01 12:41:47.600 INFO kablam! warning: unused import: `Hash`
Nov 01 12:41:47.600 INFO kablam!  --> src/feature/mod.rs:3:17
Nov 01 12:41:47.600 INFO kablam!   |
Nov 01 12:41:47.600 INFO kablam! 3 | use std::hash::{Hash, Hasher};
Nov 01 12:41:47.600 INFO kablam!   |                 ^^^^
Nov 01 12:41:47.600 INFO kablam! 
Nov 01 12:41:47.601 INFO kablam! warning: unused import: `std::iter::FromIterator`
Nov 01 12:41:47.601 INFO kablam!  --> src/feature/mod.rs:4:5
Nov 01 12:41:47.601 INFO kablam!   |
Nov 01 12:41:47.602 INFO kablam! 4 | use std::iter::FromIterator;
Nov 01 12:41:47.602 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 12:41:47.602 INFO kablam! 
Nov 01 12:41:47.602 INFO kablam! warning: unused imports: `Index`, `RangeFrom`, `RangeTo`
Nov 01 12:41:47.602 INFO kablam!  --> src/feature/mod.rs:5:16
Nov 01 12:41:47.602 INFO kablam!   |
Nov 01 12:41:47.602 INFO kablam! 5 | use std::ops::{Index, RangeTo, RangeFrom};
Nov 01 12:41:47.602 INFO kablam!   |                ^^^^^  ^^^^^^^  ^^^^^^^^^
Nov 01 12:41:47.608 INFO kablam! 
Nov 01 12:41:47.608 INFO kablam! warning: unused import: `HashSet`
Nov 01 12:41:47.608 INFO kablam!  --> src/feature/mod.rs:6:24
Nov 01 12:41:47.608 INFO kablam!   |
Nov 01 12:41:47.608 INFO kablam! 6 | use std::collections::{HashSet, HashMap};
Nov 01 12:41:47.608 INFO kablam!   |                        ^^^^^^^
Nov 01 12:41:47.609 INFO kablam! 
Nov 01 12:41:47.722 INFO kablam! warning: unused import: `Hasher`
Nov 01 12:41:47.722 INFO kablam!  --> src/feature/mod.rs:3:23
Nov 01 12:41:47.722 INFO kablam!   |
Nov 01 12:41:47.722 INFO kablam! 3 | use std::hash::{Hash, Hasher};
Nov 01 12:41:47.722 INFO kablam!   |                       ^^^^^^
Nov 01 12:41:47.728 INFO kablam! 
Nov 01 12:41:47.731 INFO kablam! warning: unused variable: `value_index`
Nov 01 12:41:47.731 INFO kablam!   --> src/decision_tree/mod.rs:33:18
Nov 01 12:41:47.731 INFO kablam!    |
Nov 01 12:41:47.731 INFO kablam! 33 |             for (value_index, value) in feature.iter().enumerate() {
Nov 01 12:41:47.731 INFO kablam!    |                  ^^^^^^^^^^^ help: consider using `_value_index` instead
Nov 01 12:41:47.731 INFO kablam!    |
Nov 01 12:41:47.731 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 01 12:41:47.731 INFO kablam! 
Nov 01 12:41:47.732 INFO kablam! warning: unused variable: `depth`
Nov 01 12:41:47.732 INFO kablam!   --> src/decision_tree/mod.rs:30:49
Nov 01 12:41:47.732 INFO kablam!    |
Nov 01 12:41:47.732 INFO kablam! 30 |     fn build_tree(&mut self, dataset: &Dataset, depth: usize) -> DecisionTree {
Nov 01 12:41:47.732 INFO kablam!    |                                                 ^^^^^ help: consider using `_depth` instead
Nov 01 12:41:47.732 INFO kablam! 
Nov 01 12:41:47.732 INFO kablam! warning: unused variable: `data`
Nov 01 12:41:47.732 INFO kablam!   --> src/decision_tree/mod.rs:51:34
Nov 01 12:41:47.732 INFO kablam!    |
Nov 01 12:41:47.732 INFO kablam! 51 |     fn argmin_cost<D: Splitable>(data: D) -> (f32, usize, Value) {
Nov 01 12:41:47.732 INFO kablam!    |                                  ^^^^ help: consider using `_data` instead
Nov 01 12:41:47.732 INFO kablam! 
Nov 01 12:41:47.788 INFO kablam! warning: field is never used: `root`
Nov 01 12:41:47.788 INFO kablam!  --> src/decision_tree/mod.rs:7:5
Nov 01 12:41:47.788 INFO kablam!   |
Nov 01 12:41:47.788 INFO kablam! 7 |     root: Option<DecisionNode>,
Nov 01 12:41:47.788 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 12:41:47.788 INFO kablam!   |
Nov 01 12:41:47.788 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 01 12:41:47.789 INFO kablam! 
Nov 01 12:41:47.789 INFO kablam! warning: field is never used: `min_split`
Nov 01 12:41:47.789 INFO kablam!  --> src/decision_tree/mod.rs:8:5
Nov 01 12:41:47.789 INFO kablam!   |
Nov 01 12:41:47.789 INFO kablam! 8 |     min_split: usize,
Nov 01 12:41:47.789 INFO kablam!   |     ^^^^^^^^^^^^^^^^
Nov 01 12:41:47.789 INFO kablam! 
Nov 01 12:41:47.789 INFO kablam! warning: field is never used: `min_impurity`
Nov 01 12:41:47.789 INFO kablam!  --> src/decision_tree/mod.rs:9:5
Nov 01 12:41:47.789 INFO kablam!   |
Nov 01 12:41:47.789 INFO kablam! 9 |     min_impurity: f32,
Nov 01 12:41:47.789 INFO kablam!   |     ^^^^^^^^^^^^^^^^^
Nov 01 12:41:47.789 INFO kablam! 
Nov 01 12:41:47.789 INFO kablam! warning: field is never used: `max_depth`
Nov 01 12:41:47.789 INFO kablam!   --> src/decision_tree/mod.rs:10:5
Nov 01 12:41:47.789 INFO kablam!    |
Nov 01 12:41:47.789 INFO kablam! 10 |     max_depth: usize,
Nov 01 12:41:47.789 INFO kablam!    |     ^^^^^^^^^^^^^^^^
Nov 01 12:41:47.789 INFO kablam! 
Nov 01 12:41:47.789 INFO kablam! warning: field is never used: `cost_fn`
Nov 01 12:41:47.789 INFO kablam!   --> src/decision_tree/mod.rs:11:5
Nov 01 12:41:47.789 INFO kablam!    |
Nov 01 12:41:47.789 INFO kablam! 11 |     cost_fn: fn(&[f32]) -> f32,
Nov 01 12:41:47.790 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 12:41:47.790 INFO kablam! 
Nov 01 12:41:47.790 INFO kablam! warning: field is never used: `leaf_fn`
Nov 01 12:41:47.790 INFO kablam!   --> src/decision_tree/mod.rs:12:5
Nov 01 12:41:47.790 INFO kablam!    |
Nov 01 12:41:47.790 INFO kablam! 12 |     leaf_fn: fn() -> f32,
Nov 01 12:41:47.790 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^
Nov 01 12:41:47.790 INFO kablam! 
Nov 01 12:41:47.790 INFO kablam! warning: method is never used: `build_tree`
Nov 01 12:41:47.790 INFO kablam!   --> src/decision_tree/mod.rs:30:5
Nov 01 12:41:47.790 INFO kablam!    |
Nov 01 12:41:47.790 INFO kablam! 30 |     fn build_tree(&mut self, dataset: &Dataset, depth: usize) -> DecisionTree {
Nov 01 12:41:47.790 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 12:41:47.790 INFO kablam! 
Nov 01 12:41:47.790 INFO kablam! warning: method is never used: `argmin_cost`
Nov 01 12:41:47.790 INFO kablam!   --> src/decision_tree/mod.rs:51:5
Nov 01 12:41:47.790 INFO kablam!    |
Nov 01 12:41:47.790 INFO kablam! 51 |     fn argmin_cost<D: Splitable>(data: D) -> (f32, usize, Value) {
Nov 01 12:41:47.791 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 12:41:47.791 INFO kablam! 
Nov 01 12:41:47.812 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.11s
Nov 01 12:41:47.815 INFO kablam! su: No module specific data is present
Nov 01 12:41:48.610 INFO running `"docker" "rm" "-f" "a747b11fa15260a43f6f37cbc6baf5eec1f3f09a48e443aed9d8965a59eeb92c"`
Nov 01 12:41:48.852 INFO blam! a747b11fa15260a43f6f37cbc6baf5eec1f3f09a48e443aed9d8965a59eeb92c