Nov 01 12:41:38.489 INFO checking CloneRob/iron_woods against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Nov 01 12:41:38.490 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-0/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55538/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/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 +d7816399d50d407bbce1efe9dbadf8faaaf568fc-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 12:41:39.110 INFO blam! e5d47c5b6cf81f5e40f0efa15711a9b808b3895a2a6dea91d569d5620db416a2
Nov 01 12:41:39.111 INFO running `"docker" "start" "-a" "e5d47c5b6cf81f5e40f0efa15711a9b808b3895a2a6dea91d569d5620db416a2"`
Nov 01 12:41:41.077 INFO kablam! usermod: no changes
Nov 01 12:41:41.148 INFO kablam!     Checking iron_woods v0.1.0 (/source)
Nov 01 12:41:42.084 INFO kablam! warning: unused import: `std::collections::HashMap`
Nov 01 12:41:42.084 INFO kablam!  --> src/main.rs:1:5
Nov 01 12:41:42.084 INFO kablam!   |
Nov 01 12:41:42.084 INFO kablam! 1 | use std::collections::HashMap;
Nov 01 12:41:42.084 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 12:41:42.085 INFO kablam!   |
Nov 01 12:41:42.085 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 01 12:41:42.085 INFO kablam! 
Nov 01 12:41:42.085 INFO kablam! warning: unused import: `std::cmp`
Nov 01 12:41:42.085 INFO kablam!  --> src/feature/mod.rs:1:5
Nov 01 12:41:42.085 INFO kablam!   |
Nov 01 12:41:42.085 INFO kablam! 1 | use std::cmp;
Nov 01 12:41:42.085 INFO kablam!   |     ^^^^^^^^
Nov 01 12:41:42.085 INFO kablam! 
Nov 01 12:41:42.085 INFO kablam! warning: unused import: `Hash`
Nov 01 12:41:42.085 INFO kablam!  --> src/feature/mod.rs:3:17
Nov 01 12:41:42.085 INFO kablam!   |
Nov 01 12:41:42.085 INFO kablam! 3 | use std::hash::{Hash, Hasher};
Nov 01 12:41:42.085 INFO kablam!   |                 ^^^^
Nov 01 12:41:42.085 INFO kablam! 
Nov 01 12:41:42.085 INFO kablam! warning: unused import: `std::iter::FromIterator`
Nov 01 12:41:42.085 INFO kablam!  --> src/feature/mod.rs:4:5
Nov 01 12:41:42.085 INFO kablam!   |
Nov 01 12:41:42.085 INFO kablam! 4 | use std::iter::FromIterator;
Nov 01 12:41:42.085 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 12:41:42.085 INFO kablam! 
Nov 01 12:41:42.085 INFO kablam! warning: unused imports: `Index`, `RangeFrom`, `RangeTo`
Nov 01 12:41:42.085 INFO kablam!  --> src/feature/mod.rs:5:16
Nov 01 12:41:42.085 INFO kablam!   |
Nov 01 12:41:42.085 INFO kablam! 5 | use std::ops::{Index, RangeTo, RangeFrom};
Nov 01 12:41:42.085 INFO kablam!   |                ^^^^^  ^^^^^^^  ^^^^^^^^^
Nov 01 12:41:42.085 INFO kablam! 
Nov 01 12:41:42.085 INFO kablam! warning: unused import: `HashSet`
Nov 01 12:41:42.085 INFO kablam!  --> src/feature/mod.rs:6:24
Nov 01 12:41:42.085 INFO kablam!   |
Nov 01 12:41:42.085 INFO kablam! 6 | use std::collections::{HashSet, HashMap};
Nov 01 12:41:42.085 INFO kablam!   |                        ^^^^^^^
Nov 01 12:41:42.085 INFO kablam! 
Nov 01 12:41:42.164 INFO kablam! warning: unused import: `std::collections::HashMap`
Nov 01 12:41:42.164 INFO kablam!  --> src/main.rs:1:5
Nov 01 12:41:42.164 INFO kablam!   |
Nov 01 12:41:42.164 INFO kablam! 1 | use std::collections::HashMap;
Nov 01 12:41:42.164 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 12:41:42.164 INFO kablam!   |
Nov 01 12:41:42.165 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 01 12:41:42.165 INFO kablam! 
Nov 01 12:41:42.165 INFO kablam! warning: unused import: `std::cmp`
Nov 01 12:41:42.165 INFO kablam!  --> src/feature/mod.rs:1:5
Nov 01 12:41:42.165 INFO kablam!   |
Nov 01 12:41:42.165 INFO kablam! 1 | use std::cmp;
Nov 01 12:41:42.165 INFO kablam!   |     ^^^^^^^^
Nov 01 12:41:42.165 INFO kablam! 
Nov 01 12:41:42.165 INFO kablam! warning: unused import: `Hash`
Nov 01 12:41:42.165 INFO kablam!  --> src/feature/mod.rs:3:17
Nov 01 12:41:42.165 INFO kablam!   |
Nov 01 12:41:42.165 INFO kablam! 3 | use std::hash::{Hash, Hasher};
Nov 01 12:41:42.165 INFO kablam!   |                 ^^^^
Nov 01 12:41:42.165 INFO kablam! 
Nov 01 12:41:42.165 INFO kablam! warning: unused import: `std::iter::FromIterator`
Nov 01 12:41:42.165 INFO kablam!  --> src/feature/mod.rs:4:5
Nov 01 12:41:42.165 INFO kablam!   |
Nov 01 12:41:42.165 INFO kablam! 4 | use std::iter::FromIterator;
Nov 01 12:41:42.165 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 12:41:42.165 INFO kablam! 
Nov 01 12:41:42.165 INFO kablam! warning: unused imports: `Index`, `RangeFrom`, `RangeTo`
Nov 01 12:41:42.165 INFO kablam!  --> src/feature/mod.rs:5:16
Nov 01 12:41:42.165 INFO kablam!   |
Nov 01 12:41:42.165 INFO kablam! 5 | use std::ops::{Index, RangeTo, RangeFrom};
Nov 01 12:41:42.165 INFO kablam!   |                ^^^^^  ^^^^^^^  ^^^^^^^^^
Nov 01 12:41:42.165 INFO kablam! 
Nov 01 12:41:42.165 INFO kablam! warning: unused import: `HashSet`
Nov 01 12:41:42.165 INFO kablam!  --> src/feature/mod.rs:6:24
Nov 01 12:41:42.166 INFO kablam!   |
Nov 01 12:41:42.166 INFO kablam! 6 | use std::collections::{HashSet, HashMap};
Nov 01 12:41:42.166 INFO kablam!   |                        ^^^^^^^
Nov 01 12:41:42.166 INFO kablam! 
Nov 01 12:41:42.348 INFO kablam! warning: unused import: `Hasher`
Nov 01 12:41:42.348 INFO kablam!  --> src/feature/mod.rs:3:23
Nov 01 12:41:42.349 INFO kablam!   |
Nov 01 12:41:42.349 INFO kablam! 3 | use std::hash::{Hash, Hasher};
Nov 01 12:41:42.349 INFO kablam!   |                       ^^^^^^
Nov 01 12:41:42.349 INFO kablam! 
Nov 01 12:41:42.364 INFO kablam! warning: unused variable: `value_index`
Nov 01 12:41:42.364 INFO kablam!   --> src/decision_tree/mod.rs:33:18
Nov 01 12:41:42.364 INFO kablam!    |
Nov 01 12:41:42.364 INFO kablam! 33 |             for (value_index, value) in feature.iter().enumerate() {
Nov 01 12:41:42.365 INFO kablam!    |                  ^^^^^^^^^^^ help: consider using `_value_index` instead
Nov 01 12:41:42.365 INFO kablam!    |
Nov 01 12:41:42.365 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 01 12:41:42.365 INFO kablam! 
Nov 01 12:41:42.365 INFO kablam! warning: unused variable: `depth`
Nov 01 12:41:42.365 INFO kablam!   --> src/decision_tree/mod.rs:30:49
Nov 01 12:41:42.365 INFO kablam!    |
Nov 01 12:41:42.365 INFO kablam! 30 |     fn build_tree(&mut self, dataset: &Dataset, depth: usize) -> DecisionTree {
Nov 01 12:41:42.365 INFO kablam!    |                                                 ^^^^^ help: consider using `_depth` instead
Nov 01 12:41:42.365 INFO kablam! 
Nov 01 12:41:42.366 INFO kablam! warning: unused variable: `data`
Nov 01 12:41:42.366 INFO kablam!   --> src/decision_tree/mod.rs:51:34
Nov 01 12:41:42.366 INFO kablam!    |
Nov 01 12:41:42.366 INFO kablam! 51 |     fn argmin_cost<D: Splitable>(data: D) -> (f32, usize, Value) {
Nov 01 12:41:42.366 INFO kablam!    |                                  ^^^^ help: consider using `_data` instead
Nov 01 12:41:42.367 INFO kablam! 
Nov 01 12:41:42.392 INFO kablam! warning: unused import: `Hasher`
Nov 01 12:41:42.392 INFO kablam!  --> src/feature/mod.rs:3:23
Nov 01 12:41:42.392 INFO kablam!   |
Nov 01 12:41:42.393 INFO kablam! 3 | use std::hash::{Hash, Hasher};
Nov 01 12:41:42.393 INFO kablam!   |                       ^^^^^^
Nov 01 12:41:42.393 INFO kablam! 
Nov 01 12:41:42.412 INFO kablam! warning: unused variable: `value_index`
Nov 01 12:41:42.412 INFO kablam!   --> src/decision_tree/mod.rs:33:18
Nov 01 12:41:42.412 INFO kablam!    |
Nov 01 12:41:42.413 INFO kablam! 33 |             for (value_index, value) in feature.iter().enumerate() {
Nov 01 12:41:42.413 INFO kablam!    |                  ^^^^^^^^^^^ help: consider using `_value_index` instead
Nov 01 12:41:42.413 INFO kablam!    |
Nov 01 12:41:42.413 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 01 12:41:42.413 INFO kablam! 
Nov 01 12:41:42.414 INFO kablam! warning: unused variable: `depth`
Nov 01 12:41:42.414 INFO kablam!   --> src/decision_tree/mod.rs:30:49
Nov 01 12:41:42.414 INFO kablam!    |
Nov 01 12:41:42.414 INFO kablam! 30 |     fn build_tree(&mut self, dataset: &Dataset, depth: usize) -> DecisionTree {
Nov 01 12:41:42.414 INFO kablam!    |                                                 ^^^^^ help: consider using `_depth` instead
Nov 01 12:41:42.414 INFO kablam! 
Nov 01 12:41:42.415 INFO kablam! warning: unused variable: `data`
Nov 01 12:41:42.415 INFO kablam!   --> src/decision_tree/mod.rs:51:34
Nov 01 12:41:42.415 INFO kablam!    |
Nov 01 12:41:42.415 INFO kablam! 51 |     fn argmin_cost<D: Splitable>(data: D) -> (f32, usize, Value) {
Nov 01 12:41:42.415 INFO kablam!    |                                  ^^^^ help: consider using `_data` instead
Nov 01 12:41:42.415 INFO kablam! 
Nov 01 12:41:42.464 INFO kablam! warning: field is never used: `root`
Nov 01 12:41:42.464 INFO kablam!  --> src/decision_tree/mod.rs:7:5
Nov 01 12:41:42.464 INFO kablam!   |
Nov 01 12:41:42.464 INFO kablam! 7 |     root: Option<DecisionNode>,
Nov 01 12:41:42.464 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 12:41:42.465 INFO kablam!   |
Nov 01 12:41:42.465 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 01 12:41:42.465 INFO kablam! 
Nov 01 12:41:42.465 INFO kablam! warning: field is never used: `min_split`
Nov 01 12:41:42.465 INFO kablam!  --> src/decision_tree/mod.rs:8:5
Nov 01 12:41:42.465 INFO kablam!   |
Nov 01 12:41:42.465 INFO kablam! 8 |     min_split: usize,
Nov 01 12:41:42.465 INFO kablam!   |     ^^^^^^^^^^^^^^^^
Nov 01 12:41:42.465 INFO kablam! 
Nov 01 12:41:42.465 INFO kablam! warning: field is never used: `min_impurity`
Nov 01 12:41:42.465 INFO kablam!  --> src/decision_tree/mod.rs:9:5
Nov 01 12:41:42.465 INFO kablam!   |
Nov 01 12:41:42.465 INFO kablam! 9 |     min_impurity: f32,
Nov 01 12:41:42.465 INFO kablam!   |     ^^^^^^^^^^^^^^^^^
Nov 01 12:41:42.465 INFO kablam! 
Nov 01 12:41:42.465 INFO kablam! warning: field is never used: `max_depth`
Nov 01 12:41:42.465 INFO kablam!   --> src/decision_tree/mod.rs:10:5
Nov 01 12:41:42.465 INFO kablam!    |
Nov 01 12:41:42.465 INFO kablam! 10 |     max_depth: usize,
Nov 01 12:41:42.465 INFO kablam!    |     ^^^^^^^^^^^^^^^^
Nov 01 12:41:42.465 INFO kablam! 
Nov 01 12:41:42.465 INFO kablam! warning: field is never used: `cost_fn`
Nov 01 12:41:42.465 INFO kablam!   --> src/decision_tree/mod.rs:11:5
Nov 01 12:41:42.465 INFO kablam!    |
Nov 01 12:41:42.465 INFO kablam! 11 |     cost_fn: fn(&[f32]) -> f32,
Nov 01 12:41:42.465 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 12:41:42.465 INFO kablam! 
Nov 01 12:41:42.465 INFO kablam! warning: field is never used: `leaf_fn`
Nov 01 12:41:42.465 INFO kablam!   --> src/decision_tree/mod.rs:12:5
Nov 01 12:41:42.465 INFO kablam!    |
Nov 01 12:41:42.465 INFO kablam! 12 |     leaf_fn: fn() -> f32,
Nov 01 12:41:42.465 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^
Nov 01 12:41:42.465 INFO kablam! 
Nov 01 12:41:42.465 INFO kablam! warning: method is never used: `build_tree`
Nov 01 12:41:42.465 INFO kablam!   --> src/decision_tree/mod.rs:30:5
Nov 01 12:41:42.466 INFO kablam!    |
Nov 01 12:41:42.466 INFO kablam! 30 |     fn build_tree(&mut self, dataset: &Dataset, depth: usize) -> DecisionTree {
Nov 01 12:41:42.466 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 12:41:42.466 INFO kablam! 
Nov 01 12:41:42.466 INFO kablam! warning: method is never used: `argmin_cost`
Nov 01 12:41:42.466 INFO kablam!   --> src/decision_tree/mod.rs:51:5
Nov 01 12:41:42.466 INFO kablam!    |
Nov 01 12:41:42.466 INFO kablam! 51 |     fn argmin_cost<D: Splitable>(data: D) -> (f32, usize, Value) {
Nov 01 12:41:42.466 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 12:41:42.466 INFO kablam! 
Nov 01 12:41:42.492 INFO kablam! warning: field is never used: `root`
Nov 01 12:41:42.492 INFO kablam!  --> src/decision_tree/mod.rs:7:5
Nov 01 12:41:42.492 INFO kablam!   |
Nov 01 12:41:42.492 INFO kablam! 7 |     root: Option<DecisionNode>,
Nov 01 12:41:42.492 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 12:41:42.492 INFO kablam!   |
Nov 01 12:41:42.492 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 01 12:41:42.492 INFO kablam! 
Nov 01 12:41:42.492 INFO kablam! warning: field is never used: `min_split`
Nov 01 12:41:42.493 INFO kablam!  --> src/decision_tree/mod.rs:8:5
Nov 01 12:41:42.493 INFO kablam!   |
Nov 01 12:41:42.493 INFO kablam! 8 |     min_split: usize,
Nov 01 12:41:42.493 INFO kablam!   |     ^^^^^^^^^^^^^^^^
Nov 01 12:41:42.493 INFO kablam! 
Nov 01 12:41:42.493 INFO kablam! warning: field is never used: `min_impurity`
Nov 01 12:41:42.493 INFO kablam!  --> src/decision_tree/mod.rs:9:5
Nov 01 12:41:42.493 INFO kablam!   |
Nov 01 12:41:42.493 INFO kablam! 9 |     min_impurity: f32,
Nov 01 12:41:42.493 INFO kablam!   |     ^^^^^^^^^^^^^^^^^
Nov 01 12:41:42.493 INFO kablam! 
Nov 01 12:41:42.493 INFO kablam! warning: field is never used: `max_depth`
Nov 01 12:41:42.493 INFO kablam!   --> src/decision_tree/mod.rs:10:5
Nov 01 12:41:42.493 INFO kablam!    |
Nov 01 12:41:42.494 INFO kablam! 10 |     max_depth: usize,
Nov 01 12:41:42.494 INFO kablam!    |     ^^^^^^^^^^^^^^^^
Nov 01 12:41:42.494 INFO kablam! 
Nov 01 12:41:42.494 INFO kablam! warning: field is never used: `cost_fn`
Nov 01 12:41:42.494 INFO kablam!   --> src/decision_tree/mod.rs:11:5
Nov 01 12:41:42.494 INFO kablam!    |
Nov 01 12:41:42.494 INFO kablam! 11 |     cost_fn: fn(&[f32]) -> f32,
Nov 01 12:41:42.495 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 12:41:42.495 INFO kablam! 
Nov 01 12:41:42.495 INFO kablam! warning: field is never used: `leaf_fn`
Nov 01 12:41:42.495 INFO kablam!   --> src/decision_tree/mod.rs:12:5
Nov 01 12:41:42.495 INFO kablam!    |
Nov 01 12:41:42.495 INFO kablam! 12 |     leaf_fn: fn() -> f32,
Nov 01 12:41:42.495 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^
Nov 01 12:41:42.495 INFO kablam! 
Nov 01 12:41:42.496 INFO kablam! warning: method is never used: `build_tree`
Nov 01 12:41:42.496 INFO kablam!   --> src/decision_tree/mod.rs:30:5
Nov 01 12:41:42.496 INFO kablam!    |
Nov 01 12:41:42.496 INFO kablam! 30 |     fn build_tree(&mut self, dataset: &Dataset, depth: usize) -> DecisionTree {
Nov 01 12:41:42.496 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 12:41:42.496 INFO kablam! 
Nov 01 12:41:42.496 INFO kablam! warning: method is never used: `argmin_cost`
Nov 01 12:41:42.496 INFO kablam!   --> src/decision_tree/mod.rs:51:5
Nov 01 12:41:42.496 INFO kablam!    |
Nov 01 12:41:42.497 INFO kablam! 51 |     fn argmin_cost<D: Splitable>(data: D) -> (f32, usize, Value) {
Nov 01 12:41:42.497 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 12:41:42.497 INFO kablam! 
Nov 01 12:41:42.573 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.47s
Nov 01 12:41:42.575 INFO kablam! su: No module specific data is present
Nov 01 12:41:43.893 INFO running `"docker" "rm" "-f" "e5d47c5b6cf81f5e40f0efa15711a9b808b3895a2a6dea91d569d5620db416a2"`
Nov 01 12:41:44.221 INFO blam! e5d47c5b6cf81f5e40f0efa15711a9b808b3895a2a6dea91d569d5620db416a2