[INFO] fetching crate sklears-tree 0.1.0-alpha.1... [INFO] checking sklears-tree-0.1.0-alpha.1 against master#e22dab387f6b4f6a87dfc54ac2f6013dddb41e68 for pr-149195 [INFO] extracting crate sklears-tree 0.1.0-alpha.1 into /workspace/builds/worker-7-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-7-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate sklears-tree 0.1.0-alpha.1 on toolchain e22dab387f6b4f6a87dfc54ac2f6013dddb41e68 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e22dab387f6b4f6a87dfc54ac2f6013dddb41e68" "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" "+e22dab387f6b4f6a87dfc54ac2f6013dddb41e68" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded friedrich v0.5.0 [INFO] [stderr] Downloaded argmin-math v0.5.1 [INFO] [stderr] Downloaded sprs v0.11.3 [INFO] [stderr] Downloaded argmin v0.11.0 [INFO] [stderr] Downloaded sklears-metrics v0.1.0-alpha.1 [INFO] [stderr] Downloaded smartcore v0.3.2 [INFO] [stderr] Downloaded scirs2-sparse v0.1.0-rc.1 [INFO] [stderr] Downloaded scirs2-optimize v0.1.0-rc.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+e22dab387f6b4f6a87dfc54ac2f6013dddb41e68" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 272149efcbcf28f70d426155d3ed084467f90c95f5c29f4746ff860b2a12da48 [INFO] running `Command { std: "docker" "start" "-a" "272149efcbcf28f70d426155d3ed084467f90c95f5c29f4746ff860b2a12da48", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "272149efcbcf28f70d426155d3ed084467f90c95f5c29f4746ff860b2a12da48", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "272149efcbcf28f70d426155d3ed084467f90c95f5c29f4746ff860b2a12da48", kill_on_drop: false }` [INFO] [stdout] 272149efcbcf28f70d426155d3ed084467f90c95f5c29f4746ff860b2a12da48 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+e22dab387f6b4f6a87dfc54ac2f6013dddb41e68" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 022fc3764081811764145a1b01213ee538cca295bf652d079ee317389e238a05 [INFO] running `Command { std: "docker" "start" "-a" "022fc3764081811764145a1b01213ee538cca295bf652d079ee317389e238a05", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.176 [INFO] [stderr] Compiling proc-macro2 v1.0.101 [INFO] [stderr] Compiling getrandom v0.3.3 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling matrixmultiply v0.3.10 [INFO] [stderr] Checking bytemuck v1.23.2 [INFO] [stderr] Checking regex-syntax v0.8.6 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Compiling find-msvc-tools v0.1.2 [INFO] [stderr] Checking digest v0.10.7 [INFO] [stderr] Checking crossbeam-channel v0.5.15 [INFO] [stderr] Compiling scirs2-core v0.1.0-rc.1 [INFO] [stderr] Compiling virtue v0.0.18 [INFO] [stderr] Compiling lambert_w v1.2.28 [INFO] [stderr] Compiling zstd-safe v7.2.4 [INFO] [stderr] Checking unty v0.0.4 [INFO] [stderr] Checking crc32fast v1.5.0 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v0.1.0-rc.1 [INFO] [stderr] Checking scirs2-stats v0.1.0-rc.1 [INFO] [stderr] Checking scirs2-optimize v0.1.0-rc.1 [INFO] [stderr] Checking numrs2 v0.1.0-beta.3 [INFO] [stderr] Checking sklears-core v0.1.0-alpha.1 [INFO] [stderr] Checking sklears-metrics v0.1.0-alpha.1 [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) -> 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, 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(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, [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) -> 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, 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(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, [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 01s [INFO] running `Command { std: "docker" "inspect" "022fc3764081811764145a1b01213ee538cca295bf652d079ee317389e238a05", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "022fc3764081811764145a1b01213ee538cca295bf652d079ee317389e238a05", kill_on_drop: false }` [INFO] [stdout] 022fc3764081811764145a1b01213ee538cca295bf652d079ee317389e238a05