Dec 14 11:18:10.916 INFO testing CloneRob/iron_woods against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 14 11:18:10.917 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt build --frozen" "-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"`
Dec 14 11:18:11.457 INFO [stdout] 597c7de4c5186f4c882906077ec27ee4909c0b89a7289f6d4c50386accdfaa02
Dec 14 11:18:11.459 INFO running `"docker" "start" "-a" "597c7de4c5186f4c882906077ec27ee4909c0b89a7289f6d4c50386accdfaa02"`
Dec 14 11:18:12.962 INFO [stderr] usermod: no changes
Dec 14 11:18:13.043 INFO [stderr]    Compiling iron_woods v0.1.0 (/source)
Dec 14 11:18:13.591 INFO [stderr] warning: unused import: `std::collections::HashMap`
Dec 14 11:18:13.591 INFO [stderr]  --> src/main.rs:1:5
Dec 14 11:18:13.591 INFO [stderr]   |
Dec 14 11:18:13.591 INFO [stderr] 1 | use std::collections::HashMap;
Dec 14 11:18:13.591 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 11:18:13.591 INFO [stderr]   |
Dec 14 11:18:13.591 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 14 11:18:13.591 INFO [stderr] 
Dec 14 11:18:13.591 INFO [stderr] warning: unused import: `std::cmp`
Dec 14 11:18:13.591 INFO [stderr]  --> src/feature/mod.rs:1:5
Dec 14 11:18:13.591 INFO [stderr]   |
Dec 14 11:18:13.591 INFO [stderr] 1 | use std::cmp;
Dec 14 11:18:13.591 INFO [stderr]   |     ^^^^^^^^
Dec 14 11:18:13.591 INFO [stderr] 
Dec 14 11:18:13.591 INFO [stderr] warning: unused import: `Hash`
Dec 14 11:18:13.591 INFO [stderr]  --> src/feature/mod.rs:3:17
Dec 14 11:18:13.591 INFO [stderr]   |
Dec 14 11:18:13.591 INFO [stderr] 3 | use std::hash::{Hash, Hasher};
Dec 14 11:18:13.591 INFO [stderr]   |                 ^^^^
Dec 14 11:18:13.591 INFO [stderr] 
Dec 14 11:18:13.591 INFO [stderr] warning: unused import: `std::iter::FromIterator`
Dec 14 11:18:13.591 INFO [stderr]  --> src/feature/mod.rs:4:5
Dec 14 11:18:13.591 INFO [stderr]   |
Dec 14 11:18:13.591 INFO [stderr] 4 | use std::iter::FromIterator;
Dec 14 11:18:13.591 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 11:18:13.591 INFO [stderr] 
Dec 14 11:18:13.591 INFO [stderr] warning: unused imports: `Index`, `RangeFrom`, `RangeTo`
Dec 14 11:18:13.591 INFO [stderr]  --> src/feature/mod.rs:5:16
Dec 14 11:18:13.591 INFO [stderr]   |
Dec 14 11:18:13.591 INFO [stderr] 5 | use std::ops::{Index, RangeTo, RangeFrom};
Dec 14 11:18:13.591 INFO [stderr]   |                ^^^^^  ^^^^^^^  ^^^^^^^^^
Dec 14 11:18:13.591 INFO [stderr] 
Dec 14 11:18:13.591 INFO [stderr] warning: unused import: `HashSet`
Dec 14 11:18:13.591 INFO [stderr]  --> src/feature/mod.rs:6:24
Dec 14 11:18:13.591 INFO [stderr]   |
Dec 14 11:18:13.591 INFO [stderr] 6 | use std::collections::{HashSet, HashMap};
Dec 14 11:18:13.591 INFO [stderr]   |                        ^^^^^^^
Dec 14 11:18:13.591 INFO [stderr] 
Dec 14 11:18:13.707 INFO [stderr] warning: unused import: `Hasher`
Dec 14 11:18:13.707 INFO [stderr]  --> src/feature/mod.rs:3:23
Dec 14 11:18:13.707 INFO [stderr]   |
Dec 14 11:18:13.707 INFO [stderr] 3 | use std::hash::{Hash, Hasher};
Dec 14 11:18:13.707 INFO [stderr]   |                       ^^^^^^
Dec 14 11:18:13.707 INFO [stderr] 
Dec 14 11:18:13.714 INFO [stderr] warning: unused variable: `value_index`
Dec 14 11:18:13.714 INFO [stderr]   --> src/decision_tree/mod.rs:33:18
Dec 14 11:18:13.714 INFO [stderr]    |
Dec 14 11:18:13.715 INFO [stderr] 33 |             for (value_index, value) in feature.iter().enumerate() {
Dec 14 11:18:13.715 INFO [stderr]    |                  ^^^^^^^^^^^ help: consider using `_value_index` instead
Dec 14 11:18:13.715 INFO [stderr]    |
Dec 14 11:18:13.715 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 14 11:18:13.715 INFO [stderr] 
Dec 14 11:18:13.715 INFO [stderr] warning: unused variable: `depth`
Dec 14 11:18:13.715 INFO [stderr]   --> src/decision_tree/mod.rs:30:49
Dec 14 11:18:13.715 INFO [stderr]    |
Dec 14 11:18:13.715 INFO [stderr] 30 |     fn build_tree(&mut self, dataset: &Dataset, depth: usize) -> DecisionTree {
Dec 14 11:18:13.715 INFO [stderr]    |                                                 ^^^^^ help: consider using `_depth` instead
Dec 14 11:18:13.715 INFO [stderr] 
Dec 14 11:18:13.715 INFO [stderr] warning: unused variable: `data`
Dec 14 11:18:13.715 INFO [stderr]   --> src/decision_tree/mod.rs:51:34
Dec 14 11:18:13.715 INFO [stderr]    |
Dec 14 11:18:13.715 INFO [stderr] 51 |     fn argmin_cost<D: Splitable>(data: D) -> (f32, usize, Value) {
Dec 14 11:18:13.715 INFO [stderr]    |                                  ^^^^ help: consider using `_data` instead
Dec 14 11:18:13.715 INFO [stderr] 
Dec 14 11:18:13.769 INFO [stderr] warning: field is never used: `root`
Dec 14 11:18:13.769 INFO [stderr]  --> src/decision_tree/mod.rs:7:5
Dec 14 11:18:13.769 INFO [stderr]   |
Dec 14 11:18:13.769 INFO [stderr] 7 |     root: Option<DecisionNode>,
Dec 14 11:18:13.770 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 11:18:13.770 INFO [stderr]   |
Dec 14 11:18:13.770 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 14 11:18:13.770 INFO [stderr] 
Dec 14 11:18:13.770 INFO [stderr] warning: field is never used: `min_split`
Dec 14 11:18:13.770 INFO [stderr]  --> src/decision_tree/mod.rs:8:5
Dec 14 11:18:13.770 INFO [stderr]   |
Dec 14 11:18:13.770 INFO [stderr] 8 |     min_split: usize,
Dec 14 11:18:13.770 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 14 11:18:13.770 INFO [stderr] 
Dec 14 11:18:13.770 INFO [stderr] warning: field is never used: `min_impurity`
Dec 14 11:18:13.770 INFO [stderr]  --> src/decision_tree/mod.rs:9:5
Dec 14 11:18:13.770 INFO [stderr]   |
Dec 14 11:18:13.770 INFO [stderr] 9 |     min_impurity: f32,
Dec 14 11:18:13.770 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 14 11:18:13.770 INFO [stderr] 
Dec 14 11:18:13.770 INFO [stderr] warning: field is never used: `max_depth`
Dec 14 11:18:13.770 INFO [stderr]   --> src/decision_tree/mod.rs:10:5
Dec 14 11:18:13.770 INFO [stderr]    |
Dec 14 11:18:13.770 INFO [stderr] 10 |     max_depth: usize,
Dec 14 11:18:13.770 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 14 11:18:13.770 INFO [stderr] 
Dec 14 11:18:13.770 INFO [stderr] warning: field is never used: `cost_fn`
Dec 14 11:18:13.770 INFO [stderr]   --> src/decision_tree/mod.rs:11:5
Dec 14 11:18:13.770 INFO [stderr]    |
Dec 14 11:18:13.770 INFO [stderr] 11 |     cost_fn: fn(&[f32]) -> f32,
Dec 14 11:18:13.770 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 11:18:13.770 INFO [stderr] 
Dec 14 11:18:13.770 INFO [stderr] warning: field is never used: `leaf_fn`
Dec 14 11:18:13.770 INFO [stderr]   --> src/decision_tree/mod.rs:12:5
Dec 14 11:18:13.770 INFO [stderr]    |
Dec 14 11:18:13.770 INFO [stderr] 12 |     leaf_fn: fn() -> f32,
Dec 14 11:18:13.771 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 14 11:18:13.771 INFO [stderr] 
Dec 14 11:18:13.771 INFO [stderr] warning: method is never used: `build_tree`
Dec 14 11:18:13.771 INFO [stderr]   --> src/decision_tree/mod.rs:30:5
Dec 14 11:18:13.771 INFO [stderr]    |
Dec 14 11:18:13.771 INFO [stderr] 30 |     fn build_tree(&mut self, dataset: &Dataset, depth: usize) -> DecisionTree {
Dec 14 11:18:13.771 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 11:18:13.771 INFO [stderr] 
Dec 14 11:18:13.771 INFO [stderr] warning: method is never used: `argmin_cost`
Dec 14 11:18:13.771 INFO [stderr]   --> src/decision_tree/mod.rs:51:5
Dec 14 11:18:13.771 INFO [stderr]    |
Dec 14 11:18:13.771 INFO [stderr] 51 |     fn argmin_cost<D: Splitable>(data: D) -> (f32, usize, Value) {
Dec 14 11:18:13.771 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 11:18:13.771 INFO [stderr] 
Dec 14 11:18:14.739 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.74s
Dec 14 11:18:14.742 INFO [stderr] su: No module specific data is present
Dec 14 11:18:15.690 INFO running `"docker" "inspect" "597c7de4c5186f4c882906077ec27ee4909c0b89a7289f6d4c50386accdfaa02"`
Dec 14 11:18:15.921 INFO running `"docker" "rm" "-f" "597c7de4c5186f4c882906077ec27ee4909c0b89a7289f6d4c50386accdfaa02"`
Dec 14 11:18:16.193 INFO [stdout] 597c7de4c5186f4c882906077ec27ee4909c0b89a7289f6d4c50386accdfaa02
Dec 14 11:18:16.197 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen --no-run" "-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"`
Dec 14 11:18:16.591 INFO [stdout] c1eda3beb02e79fdcf3e66538394fa96b049e3247b2f7071aaec833ffb5be09c
Dec 14 11:18:16.596 INFO running `"docker" "start" "-a" "c1eda3beb02e79fdcf3e66538394fa96b049e3247b2f7071aaec833ffb5be09c"`
Dec 14 11:18:17.647 INFO [stderr] usermod: no changes
Dec 14 11:18:17.707 INFO [stderr]    Compiling iron_woods v0.1.0 (/source)
Dec 14 11:18:18.319 INFO [stderr] warning: unused import: `std::collections::HashMap`
Dec 14 11:18:18.319 INFO [stderr]  --> src/main.rs:1:5
Dec 14 11:18:18.319 INFO [stderr]   |
Dec 14 11:18:18.319 INFO [stderr] 1 | use std::collections::HashMap;
Dec 14 11:18:18.319 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 11:18:18.319 INFO [stderr]   |
Dec 14 11:18:18.319 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 14 11:18:18.319 INFO [stderr] 
Dec 14 11:18:18.319 INFO [stderr] warning: unused import: `std::cmp`
Dec 14 11:18:18.319 INFO [stderr]  --> src/feature/mod.rs:1:5
Dec 14 11:18:18.319 INFO [stderr]   |
Dec 14 11:18:18.319 INFO [stderr] 1 | use std::cmp;
Dec 14 11:18:18.319 INFO [stderr]   |     ^^^^^^^^
Dec 14 11:18:18.319 INFO [stderr] 
Dec 14 11:18:18.319 INFO [stderr] warning: unused import: `Hash`
Dec 14 11:18:18.319 INFO [stderr]  --> src/feature/mod.rs:3:17
Dec 14 11:18:18.319 INFO [stderr]   |
Dec 14 11:18:18.319 INFO [stderr] 3 | use std::hash::{Hash, Hasher};
Dec 14 11:18:18.319 INFO [stderr]   |                 ^^^^
Dec 14 11:18:18.319 INFO [stderr] 
Dec 14 11:18:18.319 INFO [stderr] warning: unused import: `std::iter::FromIterator`
Dec 14 11:18:18.319 INFO [stderr]  --> src/feature/mod.rs:4:5
Dec 14 11:18:18.319 INFO [stderr]   |
Dec 14 11:18:18.319 INFO [stderr] 4 | use std::iter::FromIterator;
Dec 14 11:18:18.319 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 11:18:18.319 INFO [stderr] 
Dec 14 11:18:18.319 INFO [stderr] warning: unused imports: `Index`, `RangeFrom`, `RangeTo`
Dec 14 11:18:18.319 INFO [stderr]  --> src/feature/mod.rs:5:16
Dec 14 11:18:18.319 INFO [stderr]   |
Dec 14 11:18:18.319 INFO [stderr] 5 | use std::ops::{Index, RangeTo, RangeFrom};
Dec 14 11:18:18.319 INFO [stderr]   |                ^^^^^  ^^^^^^^  ^^^^^^^^^
Dec 14 11:18:18.319 INFO [stderr] 
Dec 14 11:18:18.319 INFO [stderr] warning: unused import: `HashSet`
Dec 14 11:18:18.319 INFO [stderr]  --> src/feature/mod.rs:6:24
Dec 14 11:18:18.319 INFO [stderr]   |
Dec 14 11:18:18.319 INFO [stderr] 6 | use std::collections::{HashSet, HashMap};
Dec 14 11:18:18.319 INFO [stderr]   |                        ^^^^^^^
Dec 14 11:18:18.319 INFO [stderr] 
Dec 14 11:18:18.427 INFO [stderr] warning: unused import: `Hasher`
Dec 14 11:18:18.427 INFO [stderr]  --> src/feature/mod.rs:3:23
Dec 14 11:18:18.427 INFO [stderr]   |
Dec 14 11:18:18.427 INFO [stderr] 3 | use std::hash::{Hash, Hasher};
Dec 14 11:18:18.427 INFO [stderr]   |                       ^^^^^^
Dec 14 11:18:18.427 INFO [stderr] 
Dec 14 11:18:18.435 INFO [stderr] warning: unused variable: `value_index`
Dec 14 11:18:18.435 INFO [stderr]   --> src/decision_tree/mod.rs:33:18
Dec 14 11:18:18.435 INFO [stderr]    |
Dec 14 11:18:18.435 INFO [stderr] 33 |             for (value_index, value) in feature.iter().enumerate() {
Dec 14 11:18:18.435 INFO [stderr]    |                  ^^^^^^^^^^^ help: consider using `_value_index` instead
Dec 14 11:18:18.435 INFO [stderr]    |
Dec 14 11:18:18.435 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 14 11:18:18.435 INFO [stderr] 
Dec 14 11:18:18.435 INFO [stderr] warning: unused variable: `depth`
Dec 14 11:18:18.435 INFO [stderr]   --> src/decision_tree/mod.rs:30:49
Dec 14 11:18:18.435 INFO [stderr]    |
Dec 14 11:18:18.435 INFO [stderr] 30 |     fn build_tree(&mut self, dataset: &Dataset, depth: usize) -> DecisionTree {
Dec 14 11:18:18.435 INFO [stderr]    |                                                 ^^^^^ help: consider using `_depth` instead
Dec 14 11:18:18.435 INFO [stderr] 
Dec 14 11:18:18.435 INFO [stderr] warning: unused variable: `data`
Dec 14 11:18:18.435 INFO [stderr]   --> src/decision_tree/mod.rs:51:34
Dec 14 11:18:18.435 INFO [stderr]    |
Dec 14 11:18:18.435 INFO [stderr] 51 |     fn argmin_cost<D: Splitable>(data: D) -> (f32, usize, Value) {
Dec 14 11:18:18.435 INFO [stderr]    |                                  ^^^^ help: consider using `_data` instead
Dec 14 11:18:18.435 INFO [stderr] 
Dec 14 11:18:18.475 INFO [stderr] warning: field is never used: `root`
Dec 14 11:18:18.475 INFO [stderr]  --> src/decision_tree/mod.rs:7:5
Dec 14 11:18:18.475 INFO [stderr]   |
Dec 14 11:18:18.475 INFO [stderr] 7 |     root: Option<DecisionNode>,
Dec 14 11:18:18.475 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 11:18:18.475 INFO [stderr]   |
Dec 14 11:18:18.475 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 14 11:18:18.475 INFO [stderr] 
Dec 14 11:18:18.475 INFO [stderr] warning: field is never used: `min_split`
Dec 14 11:18:18.475 INFO [stderr]  --> src/decision_tree/mod.rs:8:5
Dec 14 11:18:18.475 INFO [stderr]   |
Dec 14 11:18:18.475 INFO [stderr] 8 |     min_split: usize,
Dec 14 11:18:18.475 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 14 11:18:18.475 INFO [stderr] 
Dec 14 11:18:18.475 INFO [stderr] warning: field is never used: `min_impurity`
Dec 14 11:18:18.475 INFO [stderr]  --> src/decision_tree/mod.rs:9:5
Dec 14 11:18:18.475 INFO [stderr]   |
Dec 14 11:18:18.475 INFO [stderr] 9 |     min_impurity: f32,
Dec 14 11:18:18.475 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 14 11:18:18.475 INFO [stderr] 
Dec 14 11:18:18.475 INFO [stderr] warning: field is never used: `max_depth`
Dec 14 11:18:18.475 INFO [stderr]   --> src/decision_tree/mod.rs:10:5
Dec 14 11:18:18.475 INFO [stderr]    |
Dec 14 11:18:18.475 INFO [stderr] 10 |     max_depth: usize,
Dec 14 11:18:18.475 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 14 11:18:18.475 INFO [stderr] 
Dec 14 11:18:18.475 INFO [stderr] warning: field is never used: `cost_fn`
Dec 14 11:18:18.475 INFO [stderr]   --> src/decision_tree/mod.rs:11:5
Dec 14 11:18:18.475 INFO [stderr]    |
Dec 14 11:18:18.475 INFO [stderr] 11 |     cost_fn: fn(&[f32]) -> f32,
Dec 14 11:18:18.475 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 11:18:18.475 INFO [stderr] 
Dec 14 11:18:18.475 INFO [stderr] warning: field is never used: `leaf_fn`
Dec 14 11:18:18.475 INFO [stderr]   --> src/decision_tree/mod.rs:12:5
Dec 14 11:18:18.475 INFO [stderr]    |
Dec 14 11:18:18.475 INFO [stderr] 12 |     leaf_fn: fn() -> f32,
Dec 14 11:18:18.475 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 14 11:18:18.475 INFO [stderr] 
Dec 14 11:18:18.475 INFO [stderr] warning: method is never used: `build_tree`
Dec 14 11:18:18.475 INFO [stderr]   --> src/decision_tree/mod.rs:30:5
Dec 14 11:18:18.475 INFO [stderr]    |
Dec 14 11:18:18.475 INFO [stderr] 30 |     fn build_tree(&mut self, dataset: &Dataset, depth: usize) -> DecisionTree {
Dec 14 11:18:18.475 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 11:18:18.475 INFO [stderr] 
Dec 14 11:18:18.475 INFO [stderr] warning: method is never used: `argmin_cost`
Dec 14 11:18:18.475 INFO [stderr]   --> src/decision_tree/mod.rs:51:5
Dec 14 11:18:18.475 INFO [stderr]    |
Dec 14 11:18:18.475 INFO [stderr] 51 |     fn argmin_cost<D: Splitable>(data: D) -> (f32, usize, Value) {
Dec 14 11:18:18.475 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 11:18:18.475 INFO [stderr] 
Dec 14 11:18:18.808 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.13s
Dec 14 11:18:18.810 INFO [stderr] su: No module specific data is present
Dec 14 11:18:19.387 INFO running `"docker" "inspect" "c1eda3beb02e79fdcf3e66538394fa96b049e3247b2f7071aaec833ffb5be09c"`
Dec 14 11:18:19.641 INFO running `"docker" "rm" "-f" "c1eda3beb02e79fdcf3e66538394fa96b049e3247b2f7071aaec833ffb5be09c"`
Dec 14 11:18:19.951 INFO [stdout] c1eda3beb02e79fdcf3e66538394fa96b049e3247b2f7071aaec833ffb5be09c
Dec 14 11:18:20.035 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen" "-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"`
Dec 14 11:18:20.682 INFO [stdout] 7f5be9f8e380d6750192ff3fbd73d522dd2ec6fa5a13524d39eecad6d63741e5
Dec 14 11:18:20.682 INFO running `"docker" "start" "-a" "7f5be9f8e380d6750192ff3fbd73d522dd2ec6fa5a13524d39eecad6d63741e5"`
Dec 14 11:18:21.979 INFO [stderr] usermod: no changes
Dec 14 11:18:22.031 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 14 11:18:22.031 INFO [stderr]      Running /target/debug/deps/iron_woods-b67bdc9d99676dec
Dec 14 11:18:22.036 INFO [stdout] 
Dec 14 11:18:22.036 INFO [stdout] running 0 tests
Dec 14 11:18:22.036 INFO [stdout] 
Dec 14 11:18:22.036 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 11:18:22.036 INFO [stdout] 
Dec 14 11:18:22.040 INFO [stderr] su: No module specific data is present
Dec 14 11:18:22.644 INFO running `"docker" "inspect" "7f5be9f8e380d6750192ff3fbd73d522dd2ec6fa5a13524d39eecad6d63741e5"`
Dec 14 11:18:22.883 INFO running `"docker" "rm" "-f" "7f5be9f8e380d6750192ff3fbd73d522dd2ec6fa5a13524d39eecad6d63741e5"`
Dec 14 11:18:23.122 INFO [stdout] 7f5be9f8e380d6750192ff3fbd73d522dd2ec6fa5a13524d39eecad6d63741e5