[INFO] fetching crate sklears-tree 0.1.0-alpha.1...
[INFO] checking sklears-tree-0.1.0-alpha.1 against master#d0835adc4e114eac911150b3692b830b5583223a for pr-149195-3
[INFO] extracting crate sklears-tree 0.1.0-alpha.1 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate sklears-tree 0.1.0-alpha.1
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate sklears-tree 0.1.0-alpha.1
[INFO] tweaked toml for crates.io crate sklears-tree 0.1.0-alpha.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate sklears-tree 0.1.0-alpha.1 on toolchain d0835adc4e114eac911150b3692b830b5583223a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d0835adc4e114eac911150b3692b830b5583223a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate sklears-tree 0.1.0-alpha.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d0835adc4e114eac911150b3692b830b5583223a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+d0835adc4e114eac911150b3692b830b5583223a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f625d138db69e01b06b3053a333488a081944c6a7592705fa659b9743fe13789
[INFO] running `Command { std: "docker" "start" "-a" "f625d138db69e01b06b3053a333488a081944c6a7592705fa659b9743fe13789", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f625d138db69e01b06b3053a333488a081944c6a7592705fa659b9743fe13789", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f625d138db69e01b06b3053a333488a081944c6a7592705fa659b9743fe13789", kill_on_drop: false }`
[INFO] [stdout] f625d138db69e01b06b3053a333488a081944c6a7592705fa659b9743fe13789
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+d0835adc4e114eac911150b3692b830b5583223a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]     Checking sklears-core v0.1.0-alpha.1
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[INFO] [stderr]     Checking sklears-tree v0.1.0-alpha.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `tree`
[INFO] [stdout]    --> src/decision_tree.rs:255:28
[INFO] [stdout]     |
[INFO] [stdout] 255 |     pub fn validate_fitted(tree: &DecisionTree<Trained>) -> Result<()> {
[INFO] [stdout]     |                            ^^^^ help: if this is intentional, prefix it with an underscore: `_tree`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `seed`
[INFO] [stdout]   --> src/parallel.rs:78:9
[INFO] [stdout]    |
[INFO] [stdout] 78 |         seed: u64,
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_seed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `seed`
[INFO] [stdout]    --> src/parallel.rs:246:65
[INFO] [stdout]     |
[INFO] [stdout] 246 |     fn permute_feature(x: &mut Array2<f64>, feature_idx: usize, seed: u64) -> Result<()> {
[INFO] [stdout]     |                                                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_seed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n_threads`
[INFO] [stdout]    --> src/parallel.rs:288:35
[INFO] [stdout]     |
[INFO] [stdout] 288 |     pub fn with_thread_pool<T, F>(n_threads: usize, f: F) -> T
[INFO] [stdout]     |                                   ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_n_threads`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n_trees`
[INFO] [stdout]    --> src/random_forest.rs:432:21
[INFO] [stdout]     |
[INFO] [stdout] 432 |                 let n_trees = self.config.n_estimators as f64;
[INFO] [stdout]     |                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_n_trees`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `same_leaf_count` is never read
[INFO] [stdout]    --> src/random_forest.rs:431:43
[INFO] [stdout]     |
[INFO] [stdout] 431 |                 let mut same_leaf_count = 0.0;
[INFO] [stdout]     |                                           ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `same_leaf_count` is never read
[INFO] [stdout]    --> src/random_forest.rs:995:43
[INFO] [stdout]     |
[INFO] [stdout] 995 |                 let mut same_leaf_count = 0.0;
[INFO] [stdout]     |                                           ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `random_state`
[INFO] [stdout]     --> src/random_forest.rs:1682:5
[INFO] [stdout]      |
[INFO] [stdout] 1682 |     random_state: Option<u64>,
[INFO] [stdout]      |     ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_random_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]     --> src/random_forest.rs:2141:9
[INFO] [stdout]      |
[INFO] [stdout] 2141 |     let n = x.len() as f64;
[INFO] [stdout]      |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tree`
[INFO] [stdout]    --> src/decision_tree.rs:255:28
[INFO] [stdout]     |
[INFO] [stdout] 255 |     pub fn validate_fitted(tree: &DecisionTree<Trained>) -> Result<()> {
[INFO] [stdout]     |                            ^^^^ help: if this is intentional, prefix it with an underscore: `_tree`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `seed`
[INFO] [stdout]   --> src/parallel.rs:78:9
[INFO] [stdout]    |
[INFO] [stdout] 78 |         seed: u64,
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_seed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `seed`
[INFO] [stdout]    --> src/parallel.rs:246:65
[INFO] [stdout]     |
[INFO] [stdout] 246 |     fn permute_feature(x: &mut Array2<f64>, feature_idx: usize, seed: u64) -> Result<()> {
[INFO] [stdout]     |                                                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_seed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n_threads`
[INFO] [stdout]    --> src/parallel.rs:288:35
[INFO] [stdout]     |
[INFO] [stdout] 288 |     pub fn with_thread_pool<T, F>(n_threads: usize, f: F) -> T
[INFO] [stdout]     |                                   ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_n_threads`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n_trees`
[INFO] [stdout]    --> src/random_forest.rs:432:21
[INFO] [stdout]     |
[INFO] [stdout] 432 |                 let n_trees = self.config.n_estimators as f64;
[INFO] [stdout]     |                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_n_trees`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `same_leaf_count` is never read
[INFO] [stdout]    --> src/random_forest.rs:431:43
[INFO] [stdout]     |
[INFO] [stdout] 431 |                 let mut same_leaf_count = 0.0;
[INFO] [stdout]     |                                           ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `same_leaf_count` is never read
[INFO] [stdout]    --> src/random_forest.rs:995:43
[INFO] [stdout]     |
[INFO] [stdout] 995 |                 let mut same_leaf_count = 0.0;
[INFO] [stdout]     |                                           ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `random_state`
[INFO] [stdout]     --> src/random_forest.rs:1682:5
[INFO] [stdout]      |
[INFO] [stdout] 1682 |     random_state: Option<u64>,
[INFO] [stdout]      |     ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_random_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]     --> src/random_forest.rs:2141:9
[INFO] [stdout]      |
[INFO] [stdout] 2141 |     let n = x.len() as f64;
[INFO] [stdout]      |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 45s
[INFO] running `Command { std: "docker" "inspect" "566506637dc499d757b02b4d42f213f9cbab29fa4f136f3d260215b670fb9fae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "566506637dc499d757b02b4d42f213f9cbab29fa4f136f3d260215b670fb9fae", kill_on_drop: false }`
[INFO] [stdout] 566506637dc499d757b02b4d42f213f9cbab29fa4f136f3d260215b670fb9fae
