[INFO] fetching crate dendritic-trees 1.1.0...
[INFO] testing dendritic-trees-1.1.0 against nightly-2024-10-28+rustflags=-Zrandomize-layout for randomize-layout
[INFO] extracting crate dendritic-trees 1.1.0 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate dendritic-trees 1.1.0 on toolchain nightly-2024-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dendritic-trees 1.1.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate dendritic-trees 1.1.0
[INFO] tweaked toml for crates.io crate dendritic-trees 1.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 132 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7f66e78e87560bfe1b40a3775902047ad5dee2f19f8582832965d122320f7e31
[INFO] running `Command { std: "docker" "start" "-a" "7f66e78e87560bfe1b40a3775902047ad5dee2f19f8582832965d122320f7e31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f66e78e87560bfe1b40a3775902047ad5dee2f19f8582832965d122320f7e31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f66e78e87560bfe1b40a3775902047ad5dee2f19f8582832965d122320f7e31", kill_on_drop: false }`
[INFO] [stdout] 7f66e78e87560bfe1b40a3775902047ad5dee2f19f8582832965d122320f7e31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Zrandomize-layout" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d2c8895d523f75c5848d11cdb3039a91229798f4f4cd8025bbbf4ee25a3dc98
[INFO] running `Command { std: "docker" "start" "-a" "9d2c8895d523f75c5848d11cdb3039a91229798f4f4cd8025bbbf4ee25a3dc98", kill_on_drop: false }`
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[INFO] [stderr]    Compiling serde_json v1.0.132
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[INFO] [stderr]    Compiling dendritic-ndarray v1.3.0
[INFO] [stderr]    Compiling arrow-ipc v51.0.0
[INFO] [stderr]    Compiling csv v1.3.0
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[INFO] [stderr]    Compiling arrow-csv v51.0.0
[INFO] [stderr]    Compiling arrow-json v51.0.0
[INFO] [stderr]    Compiling arrow-ord v51.0.0
[INFO] [stderr]    Compiling dendritic-preprocessing v1.3.0
[INFO] [stderr]    Compiling dendritic-metrics v1.3.0
[INFO] [stderr]    Compiling arrow v51.0.0
[INFO] [stderr]    Compiling zstd v0.13.2
[INFO] [stderr]    Compiling parquet v51.0.0
[INFO] [stderr]    Compiling dendritic-datasets v1.3.0
[INFO] [stderr]    Compiling dendritic-trees v1.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `File`
[INFO] [stdout]  --> src/random_forest.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::{File}; 
[INFO] [stdout]   |               ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufWriter` and `Write`
[INFO] [stdout]  --> src/random_forest.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{BufWriter, Write};
[INFO] [stdout]   |               ^^^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::node::*`
[INFO] [stdout]  --> src/random_forest.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::node::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::utils::*`
[INFO] [stdout]  --> src/random_forest.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::utils::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `counter` is assigned to, but never used
[INFO] [stdout]   --> src/random_forest.rs:92:17
[INFO] [stdout]    |
[INFO] [stdout] 92 |         let mut counter = 0; 
[INFO] [stdout]    |                 ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_counter` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `counter` is assigned to, but never used
[INFO] [stdout]    --> src/random_forest.rs:329:17
[INFO] [stdout]     |
[INFO] [stdout] 329 |         let mut counter = 0; 
[INFO] [stdout]     |                 ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_counter` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `item`
[INFO] [stdout]   --> src/bootstrap.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 57 |         for item in 0..self.n_bootstraps {
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_item`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `feature`
[INFO] [stdout]   --> src/bootstrap.rs:69:13
[INFO] [stdout]    |
[INFO] [stdout] 69 |         for feature in 0..self.num_features {
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_feature`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `row`
[INFO] [stdout]   --> src/bootstrap.rs:85:13
[INFO] [stdout]    |
[INFO] [stdout] 85 |         for row in 0..sample_size {
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_row`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 15s
[INFO] running `Command { std: "docker" "inspect" "9d2c8895d523f75c5848d11cdb3039a91229798f4f4cd8025bbbf4ee25a3dc98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d2c8895d523f75c5848d11cdb3039a91229798f4f4cd8025bbbf4ee25a3dc98", kill_on_drop: false }`
[INFO] [stdout] 9d2c8895d523f75c5848d11cdb3039a91229798f4f4cd8025bbbf4ee25a3dc98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Zrandomize-layout" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 024d98332a6a03f387407368898b9240c86a830ad6bfbdf1f4b27ed4296090fc
[INFO] running `Command { std: "docker" "start" "-a" "024d98332a6a03f387407368898b9240c86a830ad6bfbdf1f4b27ed4296090fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling dendritic-trees v1.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `File`
[INFO] [stdout]  --> src/random_forest.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::{File}; 
[INFO] [stdout]   |               ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufWriter` and `Write`
[INFO] [stdout]  --> src/random_forest.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{BufWriter, Write};
[INFO] [stdout]   |               ^^^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::node::*`
[INFO] [stdout]  --> src/random_forest.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::node::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::utils::*`
[INFO] [stdout]  --> src/random_forest.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::utils::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `counter` is assigned to, but never used
[INFO] [stdout]   --> src/random_forest.rs:92:17
[INFO] [stdout]    |
[INFO] [stdout] 92 |         let mut counter = 0; 
[INFO] [stdout]    |                 ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_counter` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `counter` is assigned to, but never used
[INFO] [stdout]    --> src/random_forest.rs:329:17
[INFO] [stdout]     |
[INFO] [stdout] 329 |         let mut counter = 0; 
[INFO] [stdout]     |                 ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_counter` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `item`
[INFO] [stdout]   --> src/bootstrap.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 57 |         for item in 0..self.n_bootstraps {
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_item`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `feature`
[INFO] [stdout]   --> src/bootstrap.rs:69:13
[INFO] [stdout]    |
[INFO] [stdout] 69 |         for feature in 0..self.num_features {
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_feature`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `row`
[INFO] [stdout]   --> src/bootstrap.rs:85:13
[INFO] [stdout]    |
[INFO] [stdout] 85 |         for row in 0..sample_size {
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_row`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `dendritic_metrics::utils::*`
[INFO] [stdout]  --> tests/bootstrap_tests.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     use dendritic_metrics::utils::*; 
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `target`
[INFO] [stdout]   --> tests/bootstrap_tests.rs:59:13
[INFO] [stdout]    |
[INFO] [stdout] 59 |         let target: NDArray<f64> = NDArray::load(y_path).unwrap();
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_target`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/bootstrap_tests.rs:61:13
[INFO] [stdout]    |
[INFO] [stdout] 61 |         let mut bs = Bootstrap::new(3, 2, 12, dataset.clone());
[INFO] [stdout]    |             ----^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/bootstrap_tests.rs:66:13
[INFO] [stdout]    |
[INFO] [stdout] 66 |         let mut bs_2 = Bootstrap::new(3, 3, 12, dataset);
[INFO] [stdout]    |             ----^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `dendritic_datasets::airfoil_noise::*`
[INFO] [stdout]   --> tests/regression_tree_tests.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     use dendritic_datasets::airfoil_noise::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `dendritic_trees::decision_tree::*`
[INFO] [stdout]  --> tests/random_forest_tests.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     use dendritic_trees::decision_tree::*; 
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `dendritic_trees::utils::*`
[INFO] [stdout]   --> tests/random_forest_tests.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     use dendritic_trees::utils::*; 
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `File`
[INFO] [stdout]  --> src/random_forest.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::{File}; 
[INFO] [stdout]   |               ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufWriter` and `Write`
[INFO] [stdout]  --> src/random_forest.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{BufWriter, Write};
[INFO] [stdout]   |               ^^^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::node::*`
[INFO] [stdout]  --> src/random_forest.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::node::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::utils::*`
[INFO] [stdout]  --> src/random_forest.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::utils::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expected`
[INFO] [stdout]    --> tests/random_forest_tests.rs:172:17
[INFO] [stdout]     |
[INFO] [stdout] 172 |             let expected = format!(
[INFO] [stdout]     |                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expected`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dataset`
[INFO] [stdout]    --> tests/random_forest_tests.rs:234:13
[INFO] [stdout]     |
[INFO] [stdout] 234 |         let dataset: NDArray<f64> = NDArray::load(x_path).unwrap();
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dataset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> tests/random_forest_tests.rs:236:13
[INFO] [stdout]     |
[INFO] [stdout] 236 |         let mut model = RandomForestClassifier::new(
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expected`
[INFO] [stdout]    --> tests/random_forest_tests.rs:374:17
[INFO] [stdout]     |
[INFO] [stdout] 374 |             let expected = format!(
[INFO] [stdout]     |                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expected`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]   --> tests/random_forest_tests.rs:57:23
[INFO] [stdout]    |
[INFO] [stdout] 57 |            assert_eq!(root_ft_idx >= 0, true);
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `counter` is assigned to, but never used
[INFO] [stdout]   --> src/random_forest.rs:92:17
[INFO] [stdout]    |
[INFO] [stdout] 92 |         let mut counter = 0; 
[INFO] [stdout]    |                 ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_counter` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> tests/random_forest_tests.rs:416:23
[INFO] [stdout]     |
[INFO] [stdout] 416 |            assert_eq!(root_ft_idx >= 0, true);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `counter` is assigned to, but never used
[INFO] [stdout]    --> src/random_forest.rs:329:17
[INFO] [stdout]     |
[INFO] [stdout] 329 |         let mut counter = 0; 
[INFO] [stdout]     |                 ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_counter` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `item`
[INFO] [stdout]   --> src/bootstrap.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 57 |         for item in 0..self.n_bootstraps {
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_item`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `feature`
[INFO] [stdout]   --> src/bootstrap.rs:69:13
[INFO] [stdout]    |
[INFO] [stdout] 69 |         for feature in 0..self.num_features {
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_feature`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `row`
[INFO] [stdout]   --> src/bootstrap.rs:85:13
[INFO] [stdout]    |
[INFO] [stdout] 85 |         for row in 0..sample_size {
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_row`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.36s
[INFO] running `Command { std: "docker" "inspect" "024d98332a6a03f387407368898b9240c86a830ad6bfbdf1f4b27ed4296090fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "024d98332a6a03f387407368898b9240c86a830ad6bfbdf1f4b27ed4296090fc", kill_on_drop: false }`
[INFO] [stdout] 024d98332a6a03f387407368898b9240c86a830ad6bfbdf1f4b27ed4296090fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Zrandomize-layout" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fd44a7e0164c02382e5fb7f7a4923da0e1d2ce7429aa544b164481d171fd37fd
[INFO] running `Command { std: "docker" "start" "-a" "fd44a7e0164c02382e5fb7f7a4923da0e1d2ce7429aa544b164481d171fd37fd", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `File`
[INFO] [stderr]  --> src/random_forest.rs:2:15
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::fs::{File}; 
[INFO] [stderr]   |               ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BufWriter` and `Write`
[INFO] [stderr]  --> src/random_forest.rs:3:15
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::io::{BufWriter, Write};
[INFO] [stderr]   |               ^^^^^^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::node::*`
[INFO] [stderr]  --> src/random_forest.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use crate::node::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::utils::*`
[INFO] [stderr]  --> src/random_forest.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use crate::utils::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `counter` is assigned to, but never used
[INFO] [stderr]   --> src/random_forest.rs:92:17
[INFO] [stderr]    |
[INFO] [stderr] 92 |         let mut counter = 0; 
[INFO] [stderr]    |                 ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: consider using `_counter` instead
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `counter` is assigned to, but never used
[INFO] [stderr]    --> src/random_forest.rs:329:17
[INFO] [stderr]     |
[INFO] [stderr] 329 |         let mut counter = 0; 
[INFO] [stderr]     |                 ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider using `_counter` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `item`
[INFO] [stderr]   --> src/bootstrap.rs:57:13
[INFO] [stderr]    |
[INFO] [stderr] 57 |         for item in 0..self.n_bootstraps {
[INFO] [stderr]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_item`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `feature`
[INFO] [stderr]   --> src/bootstrap.rs:69:13
[INFO] [stderr]    |
[INFO] [stderr] 69 |         for feature in 0..self.num_features {
[INFO] [stderr]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_feature`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `row`
[INFO] [stderr]   --> src/bootstrap.rs:85:13
[INFO] [stderr]    |
[INFO] [stderr] 85 |         for row in 0..sample_size {
[INFO] [stderr]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_row`
[INFO] [stderr] 
[INFO] [stderr] warning: `dendritic-trees` (lib) generated 9 warnings (run `cargo fix --lib -p dendritic-trees` to apply 4 suggestions)
[INFO] [stderr] warning: `dendritic-trees` (lib test) generated 9 warnings (9 duplicates)
[INFO] [stderr] warning: unused import: `dendritic_metrics::utils::*`
[INFO] [stderr]  --> tests/bootstrap_tests.rs:8:9
[INFO] [stderr]   |
[INFO] [stderr] 8 |     use dendritic_metrics::utils::*; 
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `target`
[INFO] [stderr]   --> tests/bootstrap_tests.rs:59:13
[INFO] [stderr]    |
[INFO] [stderr] 59 |         let target: NDArray<f64> = NDArray::load(y_path).unwrap();
[INFO] [stderr]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_target`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/bootstrap_tests.rs:61:13
[INFO] [stderr]    |
[INFO] [stderr] 61 |         let mut bs = Bootstrap::new(3, 2, 12, dataset.clone());
[INFO] [stderr]    |             ----^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/bootstrap_tests.rs:66:13
[INFO] [stderr]    |
[INFO] [stderr] 66 |         let mut bs_2 = Bootstrap::new(3, 3, 12, dataset);
[INFO] [stderr]    |             ----^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `dendritic_datasets::airfoil_noise::*`
[INFO] [stderr]   --> tests/regression_tree_tests.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 11 |     use dendritic_datasets::airfoil_noise::*;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `dendritic_trees::decision_tree::*`
[INFO] [stderr]  --> tests/random_forest_tests.rs:8:9
[INFO] [stderr]   |
[INFO] [stderr] 8 |     use dendritic_trees::decision_tree::*; 
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `dendritic_trees::utils::*`
[INFO] [stderr]   --> tests/random_forest_tests.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |     use dendritic_trees::utils::*; 
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `expected`
[INFO] [stderr]    --> tests/random_forest_tests.rs:172:17
[INFO] [stderr]     |
[INFO] [stderr] 172 |             let expected = format!(
[INFO] [stderr]     |                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expected`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `dataset`
[INFO] [stderr]    --> tests/random_forest_tests.rs:234:13
[INFO] [stderr]     |
[INFO] [stderr] 234 |         let dataset: NDArray<f64> = NDArray::load(x_path).unwrap();
[INFO] [stderr]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dataset`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/random_forest_tests.rs:236:13
[INFO] [stderr]     |
[INFO] [stderr] 236 |         let mut model = RandomForestClassifier::new(
[INFO] [stderr]     |             ----^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `expected`
[INFO] [stderr]    --> tests/random_forest_tests.rs:374:17
[INFO] [stderr]     |
[INFO] [stderr] 374 |             let expected = format!(
[INFO] [stderr]     |                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expected`
[INFO] [stderr] 
[INFO] [stderr] warning: comparison is useless due to type limits
[INFO] [stderr]   --> tests/random_forest_tests.rs:57:23
[INFO] [stderr]    |
[INFO] [stderr] 57 |            assert_eq!(root_ft_idx >= 0, true);
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: comparison is useless due to type limits
[INFO] [stderr]    --> tests/random_forest_tests.rs:416:23
[INFO] [stderr]     |
[INFO] [stderr] 416 |            assert_eq!(root_ft_idx >= 0, true);
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `dendritic-trees` (test "bootstrap_tests") generated 4 warnings (run `cargo fix --test "bootstrap_tests"` to apply 3 suggestions)
[INFO] [stderr] warning: `dendritic-trees` (test "regression_tree_tests") generated 1 warning (run `cargo fix --test "regression_tree_tests"` to apply 1 suggestion)
[INFO] [stderr] warning: `dendritic-trees` (test "random_forest_tests") generated 8 warnings (run `cargo fix --test "random_forest_tests"` to apply 3 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/dendritic_trees-90ce3e9a63711ffa)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/bootstrap_tests.rs (/opt/rustwide/target/debug/deps/bootstrap_tests-14cd48e915ed8db4)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test bootstrap_tests::test_generate ... ok
[INFO] [stdout] test bootstrap_tests::test_feature_sub_select ... ok
[INFO] [stdout] test bootstrap_tests::test_gen_sample ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/decision_tree_tests.rs (/opt/rustwide/target/debug/deps/decision_tree_tests-36f666df29a3f4ec)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test decision_tree_tests::test_best_split ... ok
[INFO] [stdout] test decision_tree_tests::test_information_gain ... ok
[INFO] [stdout] test decision_tree_tests::test_load_tree ... ok
[INFO] [stdout] test decision_tree_tests::test_build_tree ... ok
[INFO] [stdout] test decision_tree_tests::test_split ... ok
[INFO] [stdout] test decision_tree_tests::test_save_tree ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- decision_tree_tests::test_save_tree stdout ----
[INFO] [stdout] thread 'decision_tree_tests::test_save_tree' panicked at tests/decision_tree_tests.rs:221:33:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x6231de24304a - std::backtrace_rs::backtrace::libunwind::trace::h207520d6e9873551
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stdout]    1:     0x6231de24304a - std::backtrace_rs::backtrace::trace_unsynchronized::h2ed7433f370e3eca
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x6231de24304a - std::sys::backtrace::_print_fmt::h916fac51166b18d7
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x6231de24304a - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha0a4c9b8ce3802e6
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x6231de26a133 - core::fmt::rt::Argument::fmt::h4cfc8587d52b3eb5
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/fmt/rt.rs:177:76
[INFO] [stdout]    5:     0x6231de26a133 - core::fmt::write::h522cc39e5b36ae9f
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/fmt/mod.rs:1190:21
[INFO] [stdout]    6:     0x6231de23fc03 - std::io::Write::write_fmt::h7d3c26752da97734
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/io/mod.rs:1839:15
[INFO] [stdout]    7:     0x6231de242e92 - std::sys::backtrace::BacktraceLock::print::h4b9e00b29e9c0942
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    8:     0x6231de2444da - std::panicking::default_hook::{{closure}}::hb59b88280d0324d9
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:268:22
[INFO] [stdout]    9:     0x6231de2442e4 - std::panicking::default_hook::he1dd496665be4a29
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:292:9
[INFO] [stdout]   10:     0x6231de1c4f49 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h4ff71de18744e1dc
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/alloc/src/boxed.rs:2468:9
[INFO] [stdout]   11:     0x6231de1c4f49 - test::test_main::{{closure}}::hcf7c055ce117aa81
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/test/src/lib.rs:133:21
[INFO] [stdout]   12:     0x6231de244bd8 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h1d66c6bbd60c9692
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/alloc/src/boxed.rs:2468:9
[INFO] [stdout]   13:     0x6231de244bd8 - std::panicking::rust_panic_with_hook::h2ff17fe8f26dfcf8
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:809:13
[INFO] [stdout]   14:     0x6231de24499a - std::panicking::begin_panic_handler::{{closure}}::h4fad77951c07e101
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:674:13
[INFO] [stdout]   15:     0x6231de243529 - std::sys::backtrace::__rust_end_short_backtrace::hb1a25b3da5d0ea08
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/sys/backtrace.rs:170:18
[INFO] [stdout]   16:     0x6231de24462c - rust_begin_unwind
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:665:5
[INFO] [stdout]   17:     0x6231de268870 - core::panicking::panic_fmt::ha9db07b529f9b256
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/panicking.rs:75:14
[INFO] [stdout]   18:     0x6231de268cb6 - core::result::unwrap_failed::h5e8218e4d4338b8a
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/result.rs:1698:5
[INFO] [stdout]   19:     0x6231de18a2e2 - core::result::Result<T,E>::unwrap::h8c4a862777a6be57
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/result.rs:1103:23
[INFO] [stdout]   20:     0x6231de18a2e2 - decision_tree_tests::decision_tree_tests::test_save_tree::h266ef2940e46aa2c
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/decision_tree_tests.rs:221:9
[INFO] [stdout]   21:     0x6231de189b27 - decision_tree_tests::decision_tree_tests::test_save_tree::{{closure}}::heb6908f680288b90
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/decision_tree_tests.rs:193:28
[INFO] [stdout]   22:     0x6231de183a06 - core::ops::function::FnOnce::call_once::h351ced5a6f377cdb
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x6231de1c981b - core::ops::function::FnOnce::call_once::h22c3ba5715e93f05
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x6231de1c981b - test::__rust_begin_short_backtrace::h8e82d8113d0da17f
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/test/src/lib.rs:621:18
[INFO] [stdout]   25:     0x6231de1c9197 - test::run_test_in_process::{{closure}}::h33235f4f20b7b7c7
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/test/src/lib.rs:644:60
[INFO] [stdout]   26:     0x6231de1c9197 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb5043206310c586f
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   27:     0x6231de1c9197 - std::panicking::try::do_call::h9ad4731a60ab23e2
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:557:40
[INFO] [stdout]   28:     0x6231de1c9197 - std::panicking::try::h3824d23db772a716
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:520:19
[INFO] [stdout]   29:     0x6231de1c9197 - std::panic::catch_unwind::h5afd514605fde46b
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panic.rs:358:14
[INFO] [stdout]   30:     0x6231de1c9197 - test::run_test_in_process::h0d5cbfa7067d1720
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/test/src/lib.rs:644:27
[INFO] [stdout]   31:     0x6231de1c9197 - test::run_test::{{closure}}::h708eb8872708115d
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/test/src/lib.rs:565:43
[INFO] [stdout]   32:     0x6231de18c8b4 - test::run_test::{{closure}}::h392c51cee94713ab
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/test/src/lib.rs:595:41
[INFO] [stdout]   33:     0x6231de18c8b4 - std::sys::backtrace::__rust_begin_short_backtrace::h2f40290710935a8b
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/sys/backtrace.rs:154:18
[INFO] [stdout]   34:     0x6231de19005e - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h3fd968d89053a903
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/thread/mod.rs:541:17
[INFO] [stdout]   35:     0x6231de19005e - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h743f637ba4229880
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   36:     0x6231de19005e - std::panicking::try::do_call::h07440897322525a6
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:557:40
[INFO] [stdout]   37:     0x6231de19005e - std::panicking::try::he5a2e00188156637
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:520:19
[INFO] [stdout]   38:     0x6231de19005e - std::panic::catch_unwind::hbaf3cae49b3c6433
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panic.rs:358:14
[INFO] [stdout]   39:     0x6231de19005e - std::thread::Builder::spawn_unchecked_::{{closure}}::h8e141ea224820bce
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/thread/mod.rs:540:30
[INFO] [stdout]   40:     0x6231de19005e - core::ops::function::FnOnce::call_once{{vtable.shim}}::h90d312fedd7b8ea8
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x6231de248a0b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h69aa08ddb6adb8b6
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/alloc/src/boxed.rs:2454:9
[INFO] [stdout]   42:     0x6231de248a0b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h5aa36efdb79c806f
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/alloc/src/boxed.rs:2454:9
[INFO] [stdout]   43:     0x6231de248a0b - std::sys::pal::unix::thread::Thread::new::thread_start::h6cd80a1b4be5158d
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/sys/pal/unix/thread.rs:105:17
[INFO] [stdout]   44:     0x7190e9294ac3 - <unknown>
[INFO] [stdout]   45:     0x7190e9325a04 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     decision_tree_tests::test_save_tree
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 5 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--test decision_tree_tests`
[INFO] running `Command { std: "docker" "inspect" "fd44a7e0164c02382e5fb7f7a4923da0e1d2ce7429aa544b164481d171fd37fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd44a7e0164c02382e5fb7f7a4923da0e1d2ce7429aa544b164481d171fd37fd", kill_on_drop: false }`
[INFO] [stdout] fd44a7e0164c02382e5fb7f7a4923da0e1d2ce7429aa544b164481d171fd37fd
