[INFO] cloning repository https://github.com/bsaintjo/woodland-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bsaintjo/woodland-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbsaintjo%2Fwoodland-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbsaintjo%2Fwoodland-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ec8ad64784cdbb51e3f37b45fa633e13e13a077d [INFO] checking bsaintjo/woodland-rs against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbsaintjo%2Fwoodland-rs" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/bsaintjo/woodland-rs on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/bsaintjo/woodland-rs [INFO] finished tweaking git repo https://github.com/bsaintjo/woodland-rs [INFO] tweaked toml for git repo https://github.com/bsaintjo/woodland-rs written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/bsaintjo/woodland-rs 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded array-init-cursor v0.2.0 [INFO] [stderr] Downloaded polars-error v0.36.2 [INFO] [stderr] Downloaded polars v0.36.2 [INFO] [stderr] Downloaded now v0.1.3 [INFO] [stderr] Downloaded arrow-format v0.8.1 [INFO] [stderr] Downloaded polars-compute v0.36.2 [INFO] [stderr] Downloaded target-features v0.1.5 [INFO] [stderr] Downloaded streaming-iterator v0.1.9 [INFO] [stderr] Downloaded atoi_simd v0.15.6 [INFO] [stderr] Downloaded multiversion-macros v0.7.3 [INFO] [stderr] Downloaded memmap2 v0.7.1 [INFO] [stderr] Downloaded polars-pipe v0.36.2 [INFO] [stderr] Downloaded polars-io v0.36.2 [INFO] [stderr] Downloaded polars-plan v0.36.2 [INFO] [stderr] Downloaded polars-core v0.36.2 [INFO] [stderr] Downloaded polars-arrow v0.36.2 [INFO] [stderr] Downloaded polars-lazy v0.36.2 [INFO] [stderr] Downloaded sqlparser v0.39.0 [INFO] [stderr] Downloaded polars-ops v0.36.2 [INFO] [stderr] Downloaded polars-sql v0.36.2 [INFO] [stderr] Downloaded argminmax v0.6.1 [INFO] [stderr] 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"ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f2a7696f9eb39e9d53736d0695d1cb3bdadde67c5c9e3b967260916a6f1dbfb2 [INFO] running `Command { std: "docker" "start" "-a" "f2a7696f9eb39e9d53736d0695d1cb3bdadde67c5c9e3b967260916a6f1dbfb2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f2a7696f9eb39e9d53736d0695d1cb3bdadde67c5c9e3b967260916a6f1dbfb2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f2a7696f9eb39e9d53736d0695d1cb3bdadde67c5c9e3b967260916a6f1dbfb2", kill_on_drop: false }` [INFO] [stdout] f2a7696f9eb39e9d53736d0695d1cb3bdadde67c5c9e3b967260916a6f1dbfb2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 178abfa283e0d16122a30228ab5a93ef96b49eff63dd943e26c060ee7b8b56ad [INFO] running `Command { std: "docker" "start" "-a" "178abfa283e0d16122a30228ab5a93ef96b49eff63dd943e26c060ee7b8b56ad", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.152 [INFO] [stderr] Compiling crossbeam-utils v0.8.19 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Compiling ahash v0.8.7 [INFO] [stderr] Checking either v1.9.0 [INFO] [stderr] Compiling target-features v0.1.5 [INFO] [stderr] Compiling thiserror v1.0.56 [INFO] [stderr] Compiling num-traits v0.2.17 [INFO] [stderr] Checking aho-corasick v1.1.2 [INFO] [stderr] Compiling smartstring v1.0.1 [INFO] [stderr] Compiling polars-utils v0.36.2 [INFO] [stderr] Checking simdutf8 v0.1.4 [INFO] [stderr] Checking iana-time-zone v0.1.59 [INFO] [stderr] Compiling syn v2.0.48 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling polars-arrow v0.36.2 [INFO] [stderr] Checking ryu v1.0.16 [INFO] [stderr] Checking foreign_vec v0.1.0 [INFO] [stderr] Checking fast-float v0.2.0 [INFO] [stderr] Checking strength_reduce v0.2.4 [INFO] [stderr] Checking streaming-iterator v0.1.9 [INFO] [stderr] Checking dyn-clone v1.0.16 [INFO] [stderr] Checking ethnum v1.5.0 [INFO] [stderr] Checking atoi_simd v0.15.6 [INFO] [stderr] Compiling polars-compute v0.36.2 [INFO] [stderr] Compiling polars-core v0.36.2 [INFO] [stderr] Checking strum v0.25.0 [INFO] [stderr] Compiling polars-ops v0.36.2 [INFO] [stderr] Checking xxhash-rust v0.8.8 [INFO] [stderr] Compiling polars v0.36.2 [INFO] [stderr] Checking fixedbitset v0.4.2 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Checking regex-automata v0.4.5 [INFO] [stderr] Checking getrandom v0.2.12 [INFO] [stderr] Checking parking_lot_core v0.9.9 [INFO] [stderr] Checking memmap2 v0.7.1 [INFO] [stderr] Checking crossbeam-deque v0.8.5 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking crossterm v0.27.0 [INFO] [stderr] Checking rayon v1.8.1 [INFO] [stderr] Checking chrono v0.4.33 [INFO] [stderr] Checking argminmax v0.6.1 [INFO] [stderr] Checking atoi v2.0.0 [INFO] [stderr] Compiling thiserror-impl v1.0.56 [INFO] [stderr] Compiling bytemuck_derive v1.5.0 [INFO] [stderr] Compiling strum_macros v0.25.3 [INFO] [stderr] Checking regex v1.10.3 [INFO] [stderr] Checking now v0.1.3 [INFO] [stderr] Checking bytemuck v1.14.1 [INFO] [stderr] Compiling multiversion-macros v0.7.3 [INFO] [stderr] Checking hashbrown v0.14.3 [INFO] [stderr] Checking polars-error v0.36.2 [INFO] [stderr] Checking comfy-table v7.1.0 [INFO] [stderr] Checking indexmap v2.1.0 [INFO] [stderr] Checking petgraph v0.6.4 [INFO] [stderr] Checking multiversion v0.7.3 [INFO] [stderr] Checking polars-row v0.36.2 [INFO] [stderr] Checking polars-time v0.36.2 [INFO] [stderr] Checking polars-io v0.36.2 [INFO] [stderr] Checking woodland-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `col_idx` [INFO] [stdout] --> src/dtree.rs:61:9 [INFO] [stdout] | [INFO] [stdout] 61 | col_idx: usize, [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_col_idx` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `predicate` [INFO] [stdout] --> src/dtree.rs:62:9 [INFO] [stdout] | [INFO] [stdout] 62 | predicate: impl Fn(f32) -> bool, [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_predicate` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `tree` [INFO] [stdout] --> src/dtree.rs:159:27 [INFO] [stdout] | [INFO] [stdout] 159 | fn should_stop(&self, tree: &DTree) -> bool { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_tree` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `col_idx` [INFO] [stdout] --> src/dtree.rs:61:9 [INFO] [stdout] | [INFO] [stdout] 61 | col_idx: usize, [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_col_idx` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `predicate` [INFO] [stdout] --> src/dtree.rs:62:9 [INFO] [stdout] | [INFO] [stdout] 62 | predicate: impl Fn(f32) -> bool, [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_predicate` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `tree` [INFO] [stdout] --> src/dtree.rs:159:27 [INFO] [stdout] | [INFO] [stdout] 159 | fn should_stop(&self, tree: &DTree) -> bool { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_tree` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `is_pure` and `split_argwhere` are never used [INFO] [stdout] --> src/dtree.rs:23:8 [INFO] [stdout] | [INFO] [stdout] 22 | impl Data { [INFO] [stdout] | --------- methods in this implementation [INFO] [stdout] 23 | fn is_pure(&self) -> bool { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 59 | fn split_argwhere( [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `min_samples` is never read [INFO] [stdout] --> src/dtree.rs:87:5 [INFO] [stdout] | [INFO] [stdout] 85 | pub struct DecisionTreeBuilder { [INFO] [stdout] | ------------------- field in this struct [INFO] [stdout] 86 | max_depth: usize, [INFO] [stdout] 87 | min_samples: usize, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `DecisionTreeBuilder` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `should_stop` are never used [INFO] [stdout] --> src/dtree.rs:91:8 [INFO] [stdout] | [INFO] [stdout] 90 | impl DecisionTreeBuilder { [INFO] [stdout] | ------------------------ associated items in this implementation [INFO] [stdout] 91 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 159 | fn should_stop(&self, tree: &DTree) -> bool { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `best_split` is never used [INFO] [stdout] --> src/dtree.rs:200:4 [INFO] [stdout] | [INFO] [stdout] 200 | fn best_split(data: &Data) -> Option<(usize, f32)> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `from_data` is never used [INFO] [stdout] --> src/dtree.rs:233:8 [INFO] [stdout] | [INFO] [stdout] 232 | impl TreeNode { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] 233 | fn from_data(data: &Data, tree: &mut DTree) -> NodeIndex { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `entropy` is never used [INFO] [stdout] --> src/criterion.rs:24:8 [INFO] [stdout] | [INFO] [stdout] 24 | pub fn entropy(data: &[usize]) -> f32 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `rss` is never used [INFO] [stdout] --> src/criterion.rs:33:4 [INFO] [stdout] | [INFO] [stdout] 33 | fn rss(data: Vec) -> f32 { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `split_argwhere` is never used [INFO] [stdout] --> src/dtree.rs:59:8 [INFO] [stdout] | [INFO] [stdout] 22 | impl Data { [INFO] [stdout] | --------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 59 | fn split_argwhere( [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `min_samples` is never read [INFO] [stdout] --> src/dtree.rs:87:5 [INFO] [stdout] | [INFO] [stdout] 85 | pub struct DecisionTreeBuilder { [INFO] [stdout] | ------------------- field in this struct [INFO] [stdout] 86 | max_depth: usize, [INFO] [stdout] 87 | min_samples: usize, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `DecisionTreeBuilder` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `should_stop` is never used [INFO] [stdout] --> src/dtree.rs:159:8 [INFO] [stdout] | [INFO] [stdout] 90 | impl DecisionTreeBuilder { [INFO] [stdout] | ------------------------ method in this implementation [INFO] [stdout] ... [INFO] [stdout] 159 | fn should_stop(&self, tree: &DTree) -> bool { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `best_split` is never used [INFO] [stdout] --> src/dtree.rs:200:4 [INFO] [stdout] | [INFO] [stdout] 200 | fn best_split(data: &Data) -> Option<(usize, f32)> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `from_data` is never used [INFO] [stdout] --> src/dtree.rs:233:8 [INFO] [stdout] | [INFO] [stdout] 232 | impl TreeNode { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] 233 | fn from_data(data: &Data, tree: &mut DTree) -> NodeIndex { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `entropy` is never used [INFO] [stdout] --> src/criterion.rs:24:8 [INFO] [stdout] | [INFO] [stdout] 24 | pub fn entropy(data: &[usize]) -> f32 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `rss` is never used [INFO] [stdout] --> src/criterion.rs:33:4 [INFO] [stdout] | [INFO] [stdout] 33 | fn rss(data: Vec) -> f32 { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.81s [INFO] running `Command { std: "docker" "inspect" "178abfa283e0d16122a30228ab5a93ef96b49eff63dd943e26c060ee7b8b56ad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "178abfa283e0d16122a30228ab5a93ef96b49eff63dd943e26c060ee7b8b56ad", kill_on_drop: false }` [INFO] [stdout] 178abfa283e0d16122a30228ab5a93ef96b49eff63dd943e26c060ee7b8b56ad