Oct 27 12:20:36.824 INFO checking CloneRob/iron_woods against try#19f01b935b91481fd445b16b533d2f87661bf12e for pr-55192-2
Oct 27 12:20:36.824 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192-2/worker-6/try#19f01b935b91481fd445b16b533d2f87661bf12e:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-6/pr-55192-2/try#19f01b935b91481fd445b16b533d2f87661bf12e:/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 +19f01b935b91481fd445b16b533d2f87661bf12e-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"`
Oct 27 12:20:37.287 INFO blam! 420800fcb5dfbf6f0750d9f0d9a57f9b09b79a74ca5baf03b7fe60c3a7886e2b
Oct 27 12:20:37.291 INFO running `"docker" "start" "-a" "420800fcb5dfbf6f0750d9f0d9a57f9b09b79a74ca5baf03b7fe60c3a7886e2b"`
Oct 27 12:20:39.134 INFO kablam! usermod: no changes
Oct 27 12:20:39.180 INFO kablam!     Checking iron_woods v0.1.0 (/source)
Oct 27 12:20:40.071 INFO kablam! warning: unused import: `std::collections::HashMap`
Oct 27 12:20:40.071 INFO kablam!  --> src/main.rs:1:5
Oct 27 12:20:40.071 INFO kablam!   |
Oct 27 12:20:40.071 INFO kablam! 1 | use std::collections::HashMap;
Oct 27 12:20:40.071 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 12:20:40.071 INFO kablam!   |
Oct 27 12:20:40.071 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 27 12:20:40.071 INFO kablam! 
Oct 27 12:20:40.072 INFO kablam! warning: unused import: `std::cmp`
Oct 27 12:20:40.072 INFO kablam!  --> src/feature/mod.rs:1:5
Oct 27 12:20:40.072 INFO kablam!   |
Oct 27 12:20:40.072 INFO kablam! 1 | use std::cmp;
Oct 27 12:20:40.072 INFO kablam!   |     ^^^^^^^^
Oct 27 12:20:40.072 INFO kablam! 
Oct 27 12:20:40.072 INFO kablam! warning: unused import: `Hash`
Oct 27 12:20:40.072 INFO kablam!  --> src/feature/mod.rs:3:17
Oct 27 12:20:40.072 INFO kablam!   |
Oct 27 12:20:40.072 INFO kablam! 3 | use std::hash::{Hash, Hasher};
Oct 27 12:20:40.072 INFO kablam!   |                 ^^^^
Oct 27 12:20:40.074 INFO kablam! 
Oct 27 12:20:40.074 INFO kablam! warning: unused import: `std::iter::FromIterator`
Oct 27 12:20:40.074 INFO kablam!  --> src/feature/mod.rs:4:5
Oct 27 12:20:40.074 INFO kablam!   |
Oct 27 12:20:40.074 INFO kablam! 4 | use std::iter::FromIterator;
Oct 27 12:20:40.074 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 12:20:40.074 INFO kablam! 
Oct 27 12:20:40.074 INFO kablam! warning: unused imports: `Index`, `RangeFrom`, `RangeTo`
Oct 27 12:20:40.074 INFO kablam!  --> src/feature/mod.rs:5:16
Oct 27 12:20:40.074 INFO kablam!   |
Oct 27 12:20:40.074 INFO kablam! 5 | use std::ops::{Index, RangeTo, RangeFrom};
Oct 27 12:20:40.074 INFO kablam!   |                ^^^^^  ^^^^^^^  ^^^^^^^^^
Oct 27 12:20:40.074 INFO kablam! 
Oct 27 12:20:40.074 INFO kablam! warning: unused import: `HashSet`
Oct 27 12:20:40.074 INFO kablam!  --> src/feature/mod.rs:6:24
Oct 27 12:20:40.074 INFO kablam!   |
Oct 27 12:20:40.074 INFO kablam! 6 | use std::collections::{HashSet, HashMap};
Oct 27 12:20:40.074 INFO kablam!   |                        ^^^^^^^
Oct 27 12:20:40.074 INFO kablam! 
Oct 27 12:20:40.275 INFO kablam! warning: unused import: `Hasher`
Oct 27 12:20:40.275 INFO kablam!  --> src/feature/mod.rs:3:23
Oct 27 12:20:40.275 INFO kablam!   |
Oct 27 12:20:40.275 INFO kablam! 3 | use std::hash::{Hash, Hasher};
Oct 27 12:20:40.275 INFO kablam!   |                       ^^^^^^
Oct 27 12:20:40.275 INFO kablam! 
Oct 27 12:20:40.287 INFO kablam! warning: unused variable: `value_index`
Oct 27 12:20:40.287 INFO kablam!   --> src/decision_tree/mod.rs:33:18
Oct 27 12:20:40.287 INFO kablam!    |
Oct 27 12:20:40.287 INFO kablam! 33 |             for (value_index, value) in feature.iter().enumerate() {
Oct 27 12:20:40.287 INFO kablam!    |                  ^^^^^^^^^^^ help: consider using `_value_index` instead
Oct 27 12:20:40.287 INFO kablam!    |
Oct 27 12:20:40.287 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 27 12:20:40.287 INFO kablam! 
Oct 27 12:20:40.287 INFO kablam! warning: unused variable: `depth`
Oct 27 12:20:40.287 INFO kablam!   --> src/decision_tree/mod.rs:30:49
Oct 27 12:20:40.287 INFO kablam!    |
Oct 27 12:20:40.287 INFO kablam! 30 |     fn build_tree(&mut self, dataset: &Dataset, depth: usize) -> DecisionTree {
Oct 27 12:20:40.287 INFO kablam!    |                                                 ^^^^^ help: consider using `_depth` instead
Oct 27 12:20:40.287 INFO kablam! 
Oct 27 12:20:40.287 INFO kablam! warning: unused variable: `data`
Oct 27 12:20:40.287 INFO kablam!   --> src/decision_tree/mod.rs:51:34
Oct 27 12:20:40.287 INFO kablam!    |
Oct 27 12:20:40.287 INFO kablam! 51 |     fn argmin_cost<D: Splitable>(data: D) -> (f32, usize, Value) {
Oct 27 12:20:40.287 INFO kablam!    |                                  ^^^^ help: consider using `_data` instead
Oct 27 12:20:40.287 INFO kablam! 
Oct 27 12:20:40.307 INFO kablam! warning: unused import: `std::collections::HashMap`
Oct 27 12:20:40.307 INFO kablam!  --> src/main.rs:1:5
Oct 27 12:20:40.307 INFO kablam!   |
Oct 27 12:20:40.307 INFO kablam! 1 | use std::collections::HashMap;
Oct 27 12:20:40.307 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 12:20:40.307 INFO kablam!   |
Oct 27 12:20:40.307 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 27 12:20:40.307 INFO kablam! 
Oct 27 12:20:40.307 INFO kablam! warning: unused import: `std::cmp`
Oct 27 12:20:40.307 INFO kablam!  --> src/feature/mod.rs:1:5
Oct 27 12:20:40.307 INFO kablam!   |
Oct 27 12:20:40.307 INFO kablam! 1 | use std::cmp;
Oct 27 12:20:40.307 INFO kablam!   |     ^^^^^^^^
Oct 27 12:20:40.307 INFO kablam! 
Oct 27 12:20:40.307 INFO kablam! warning: unused import: `Hash`
Oct 27 12:20:40.307 INFO kablam!  --> src/feature/mod.rs:3:17
Oct 27 12:20:40.307 INFO kablam!   |
Oct 27 12:20:40.307 INFO kablam! 3 | use std::hash::{Hash, Hasher};
Oct 27 12:20:40.307 INFO kablam!   |                 ^^^^
Oct 27 12:20:40.307 INFO kablam! 
Oct 27 12:20:40.307 INFO kablam! warning: unused import: `std::iter::FromIterator`
Oct 27 12:20:40.307 INFO kablam!  --> src/feature/mod.rs:4:5
Oct 27 12:20:40.307 INFO kablam!   |
Oct 27 12:20:40.307 INFO kablam! 4 | use std::iter::FromIterator;
Oct 27 12:20:40.307 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 12:20:40.307 INFO kablam! 
Oct 27 12:20:40.307 INFO kablam! warning: unused imports: `Index`, `RangeFrom`, `RangeTo`
Oct 27 12:20:40.307 INFO kablam!  --> src/feature/mod.rs:5:16
Oct 27 12:20:40.307 INFO kablam!   |
Oct 27 12:20:40.307 INFO kablam! 5 | use std::ops::{Index, RangeTo, RangeFrom};
Oct 27 12:20:40.307 INFO kablam!   |                ^^^^^  ^^^^^^^  ^^^^^^^^^
Oct 27 12:20:40.307 INFO kablam! 
Oct 27 12:20:40.307 INFO kablam! warning: unused import: `HashSet`
Oct 27 12:20:40.307 INFO kablam!  --> src/feature/mod.rs:6:24
Oct 27 12:20:40.307 INFO kablam!   |
Oct 27 12:20:40.307 INFO kablam! 6 | use std::collections::{HashSet, HashMap};
Oct 27 12:20:40.307 INFO kablam!   |                        ^^^^^^^
Oct 27 12:20:40.307 INFO kablam! 
Oct 27 12:20:40.343 INFO kablam! warning: field is never used: `root`
Oct 27 12:20:40.343 INFO kablam!  --> src/decision_tree/mod.rs:7:5
Oct 27 12:20:40.343 INFO kablam!   |
Oct 27 12:20:40.343 INFO kablam! 7 |     root: Option<DecisionNode>,
Oct 27 12:20:40.343 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 12:20:40.343 INFO kablam!   |
Oct 27 12:20:40.343 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 27 12:20:40.343 INFO kablam! 
Oct 27 12:20:40.343 INFO kablam! warning: field is never used: `min_split`
Oct 27 12:20:40.343 INFO kablam!  --> src/decision_tree/mod.rs:8:5
Oct 27 12:20:40.343 INFO kablam!   |
Oct 27 12:20:40.343 INFO kablam! 8 |     min_split: usize,
Oct 27 12:20:40.343 INFO kablam!   |     ^^^^^^^^^^^^^^^^
Oct 27 12:20:40.343 INFO kablam! 
Oct 27 12:20:40.343 INFO kablam! warning: field is never used: `min_impurity`
Oct 27 12:20:40.343 INFO kablam!  --> src/decision_tree/mod.rs:9:5
Oct 27 12:20:40.343 INFO kablam!   |
Oct 27 12:20:40.343 INFO kablam! 9 |     min_impurity: f32,
Oct 27 12:20:40.343 INFO kablam!   |     ^^^^^^^^^^^^^^^^^
Oct 27 12:20:40.343 INFO kablam! 
Oct 27 12:20:40.343 INFO kablam! warning: field is never used: `max_depth`
Oct 27 12:20:40.343 INFO kablam!   --> src/decision_tree/mod.rs:10:5
Oct 27 12:20:40.343 INFO kablam!    |
Oct 27 12:20:40.343 INFO kablam! 10 |     max_depth: usize,
Oct 27 12:20:40.343 INFO kablam!    |     ^^^^^^^^^^^^^^^^
Oct 27 12:20:40.343 INFO kablam! 
Oct 27 12:20:40.343 INFO kablam! warning: field is never used: `cost_fn`
Oct 27 12:20:40.343 INFO kablam!   --> src/decision_tree/mod.rs:11:5
Oct 27 12:20:40.343 INFO kablam!    |
Oct 27 12:20:40.343 INFO kablam! 11 |     cost_fn: fn(&[f32]) -> f32,
Oct 27 12:20:40.343 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 12:20:40.343 INFO kablam! 
Oct 27 12:20:40.343 INFO kablam! warning: field is never used: `leaf_fn`
Oct 27 12:20:40.343 INFO kablam!   --> src/decision_tree/mod.rs:12:5
Oct 27 12:20:40.343 INFO kablam!    |
Oct 27 12:20:40.343 INFO kablam! 12 |     leaf_fn: fn() -> f32,
Oct 27 12:20:40.343 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^
Oct 27 12:20:40.343 INFO kablam! 
Oct 27 12:20:40.343 INFO kablam! warning: method is never used: `build_tree`
Oct 27 12:20:40.343 INFO kablam!   --> src/decision_tree/mod.rs:30:5
Oct 27 12:20:40.343 INFO kablam!    |
Oct 27 12:20:40.343 INFO kablam! 30 |     fn build_tree(&mut self, dataset: &Dataset, depth: usize) -> DecisionTree {
Oct 27 12:20:40.343 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 12:20:40.343 INFO kablam! 
Oct 27 12:20:40.343 INFO kablam! warning: method is never used: `argmin_cost`
Oct 27 12:20:40.344 INFO kablam!   --> src/decision_tree/mod.rs:51:5
Oct 27 12:20:40.344 INFO kablam!    |
Oct 27 12:20:40.344 INFO kablam! 51 |     fn argmin_cost<D: Splitable>(data: D) -> (f32, usize, Value) {
Oct 27 12:20:40.344 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 12:20:40.344 INFO kablam! 
Oct 27 12:20:40.471 INFO kablam! warning: unused import: `Hasher`
Oct 27 12:20:40.471 INFO kablam!  --> src/feature/mod.rs:3:23
Oct 27 12:20:40.471 INFO kablam!   |
Oct 27 12:20:40.471 INFO kablam! 3 | use std::hash::{Hash, Hasher};
Oct 27 12:20:40.471 INFO kablam!   |                       ^^^^^^
Oct 27 12:20:40.471 INFO kablam! 
Oct 27 12:20:40.479 INFO kablam! warning: unused variable: `value_index`
Oct 27 12:20:40.479 INFO kablam!   --> src/decision_tree/mod.rs:33:18
Oct 27 12:20:40.479 INFO kablam!    |
Oct 27 12:20:40.479 INFO kablam! 33 |             for (value_index, value) in feature.iter().enumerate() {
Oct 27 12:20:40.479 INFO kablam!    |                  ^^^^^^^^^^^ help: consider using `_value_index` instead
Oct 27 12:20:40.479 INFO kablam!    |
Oct 27 12:20:40.479 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 27 12:20:40.479 INFO kablam! 
Oct 27 12:20:40.479 INFO kablam! warning: unused variable: `depth`
Oct 27 12:20:40.479 INFO kablam!   --> src/decision_tree/mod.rs:30:49
Oct 27 12:20:40.479 INFO kablam!    |
Oct 27 12:20:40.479 INFO kablam! 30 |     fn build_tree(&mut self, dataset: &Dataset, depth: usize) -> DecisionTree {
Oct 27 12:20:40.479 INFO kablam!    |                                                 ^^^^^ help: consider using `_depth` instead
Oct 27 12:20:40.479 INFO kablam! 
Oct 27 12:20:40.479 INFO kablam! warning: unused variable: `data`
Oct 27 12:20:40.479 INFO kablam!   --> src/decision_tree/mod.rs:51:34
Oct 27 12:20:40.479 INFO kablam!    |
Oct 27 12:20:40.479 INFO kablam! 51 |     fn argmin_cost<D: Splitable>(data: D) -> (f32, usize, Value) {
Oct 27 12:20:40.479 INFO kablam!    |                                  ^^^^ help: consider using `_data` instead
Oct 27 12:20:40.479 INFO kablam! 
Oct 27 12:20:40.543 INFO kablam! warning: field is never used: `root`
Oct 27 12:20:40.543 INFO kablam!  --> src/decision_tree/mod.rs:7:5
Oct 27 12:20:40.543 INFO kablam!   |
Oct 27 12:20:40.543 INFO kablam! 7 |     root: Option<DecisionNode>,
Oct 27 12:20:40.543 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 12:20:40.543 INFO kablam!   |
Oct 27 12:20:40.543 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 27 12:20:40.543 INFO kablam! 
Oct 27 12:20:40.543 INFO kablam! warning: field is never used: `min_split`
Oct 27 12:20:40.543 INFO kablam!  --> src/decision_tree/mod.rs:8:5
Oct 27 12:20:40.543 INFO kablam!   |
Oct 27 12:20:40.543 INFO kablam! 8 |     min_split: usize,
Oct 27 12:20:40.543 INFO kablam!   |     ^^^^^^^^^^^^^^^^
Oct 27 12:20:40.543 INFO kablam! 
Oct 27 12:20:40.543 INFO kablam! warning: field is never used: `min_impurity`
Oct 27 12:20:40.543 INFO kablam!  --> src/decision_tree/mod.rs:9:5
Oct 27 12:20:40.543 INFO kablam!   |
Oct 27 12:20:40.543 INFO kablam! 9 |     min_impurity: f32,
Oct 27 12:20:40.543 INFO kablam!   |     ^^^^^^^^^^^^^^^^^
Oct 27 12:20:40.543 INFO kablam! 
Oct 27 12:20:40.543 INFO kablam! warning: field is never used: `max_depth`
Oct 27 12:20:40.543 INFO kablam!   --> src/decision_tree/mod.rs:10:5
Oct 27 12:20:40.543 INFO kablam!    |
Oct 27 12:20:40.543 INFO kablam! 10 |     max_depth: usize,
Oct 27 12:20:40.543 INFO kablam!    |     ^^^^^^^^^^^^^^^^
Oct 27 12:20:40.543 INFO kablam! 
Oct 27 12:20:40.543 INFO kablam! warning: field is never used: `cost_fn`
Oct 27 12:20:40.543 INFO kablam!   --> src/decision_tree/mod.rs:11:5
Oct 27 12:20:40.543 INFO kablam!    |
Oct 27 12:20:40.543 INFO kablam! 11 |     cost_fn: fn(&[f32]) -> f32,
Oct 27 12:20:40.543 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 12:20:40.543 INFO kablam! 
Oct 27 12:20:40.543 INFO kablam! warning: field is never used: `leaf_fn`
Oct 27 12:20:40.543 INFO kablam!   --> src/decision_tree/mod.rs:12:5
Oct 27 12:20:40.543 INFO kablam!    |
Oct 27 12:20:40.543 INFO kablam! 12 |     leaf_fn: fn() -> f32,
Oct 27 12:20:40.543 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^
Oct 27 12:20:40.543 INFO kablam! 
Oct 27 12:20:40.543 INFO kablam! warning: method is never used: `build_tree`
Oct 27 12:20:40.543 INFO kablam!   --> src/decision_tree/mod.rs:30:5
Oct 27 12:20:40.543 INFO kablam!    |
Oct 27 12:20:40.543 INFO kablam! 30 |     fn build_tree(&mut self, dataset: &Dataset, depth: usize) -> DecisionTree {
Oct 27 12:20:40.543 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 12:20:40.543 INFO kablam! 
Oct 27 12:20:40.543 INFO kablam! warning: method is never used: `argmin_cost`
Oct 27 12:20:40.543 INFO kablam!   --> src/decision_tree/mod.rs:51:5
Oct 27 12:20:40.543 INFO kablam!    |
Oct 27 12:20:40.543 INFO kablam! 51 |     fn argmin_cost<D: Splitable>(data: D) -> (f32, usize, Value) {
Oct 27 12:20:40.544 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 12:20:40.544 INFO kablam! 
Oct 27 12:20:40.611 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.45s
Oct 27 12:20:40.619 INFO kablam! su: No module specific data is present
Oct 27 12:20:41.297 INFO running `"docker" "rm" "-f" "420800fcb5dfbf6f0750d9f0d9a57f9b09b79a74ca5baf03b7fe60c3a7886e2b"`
Oct 27 12:20:41.603 INFO blam! 420800fcb5dfbf6f0750d9f0d9a57f9b09b79a74ca5baf03b7fe60c3a7886e2b