[INFO] fetching crate mlinrust 0.1.0... [INFO] testing mlinrust-0.1.0 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate mlinrust 0.1.0 into /workspace/builds/worker-1-tc2/source [INFO] started tweaking crates.io crate mlinrust 0.1.0 [INFO] finished tweaking crates.io crate mlinrust 0.1.0 [INFO] tweaked toml for crates.io crate mlinrust 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate mlinrust 0.1.0 on toolchain beta-2025-09-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate mlinrust 0.1.0 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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 10f160508b6620879fa19fc2aac275a3b88209106a4020f180f3691231456fd5 [INFO] running `Command { std: "docker" "start" "-a" "10f160508b6620879fa19fc2aac275a3b88209106a4020f180f3691231456fd5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "10f160508b6620879fa19fc2aac275a3b88209106a4020f180f3691231456fd5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "10f160508b6620879fa19fc2aac275a3b88209106a4020f180f3691231456fd5", kill_on_drop: false }` [INFO] [stdout] 10f160508b6620879fa19fc2aac275a3b88209106a4020f180f3691231456fd5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 783f97169231c0b71c7257efa4e5138a7a1f8bbd4b34200db9b9212195cfe6d5 [INFO] running `Command { std: "docker" "start" "-a" "783f97169231c0b71c7257efa4e5138a7a1f8bbd4b34200db9b9212195cfe6d5", kill_on_drop: false }` [INFO] [stderr] Compiling mlinrust v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] WARN rustc_errors::emitter Invalid span /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:231:1: 231:1 (#0), error=SourceNotAvailable { filename: Real(Remapped { local_path: None, virtual_name: "/rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs" }) } [INFO] [stderr] WARN rustc_errors::emitter Invalid span /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:231:1: 231:1 (#0), error=SourceNotAvailable { filename: Real(Remapped { local_path: None, virtual_name: "/rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs" }) } [INFO] [stderr] WARN rustc_errors::emitter Invalid span /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:231:1: 231:1 (#0), error=SourceNotAvailable { filename: Real(Remapped { local_path: None, virtual_name: "/rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs" }) } [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/model/decision_tree.rs:97:51 [INFO] [stdout] | [INFO] [stdout] 97 | let mut node = self.root.as_ref().unwrap().clone(); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the type `Box>` does not implement `Clone`, so calling `clone` on `&Box>` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] 97 - let mut node = self.root.as_ref().unwrap().clone(); [INFO] [stdout] 97 + let mut node = self.root.as_ref().unwrap(); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/model/decision_tree.rs:101:52 [INFO] [stdout] | [INFO] [stdout] 101 | node = &node.left.as_ref().unwrap().clone(); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the type `Box>` does not implement `Clone`, so calling `clone` on `&Box>` copies the reference, which does not do anything and can be removed [INFO] [stdout] help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] 101 - node = &node.left.as_ref().unwrap().clone(); [INFO] [stdout] 101 + node = &node.left.as_ref().unwrap(); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/model/decision_tree.rs:103:53 [INFO] [stdout] | [INFO] [stdout] 103 | node = &node.right.as_ref().unwrap().clone(); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the type `Box>` does not implement `Clone`, so calling `clone` on `&Box>` copies the reference, which does not do anything and can be removed [INFO] [stdout] help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] 103 - node = &node.right.as_ref().unwrap().clone(); [INFO] [stdout] 103 + node = &node.right.as_ref().unwrap(); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/model/knn.rs:310:20 [INFO] [stdout] | [INFO] [stdout] 310 | pub fn nearest(&self, query: &Vec) -> Vec> { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 310 | pub fn nearest(&self, query: &Vec) -> Vec> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.69s [INFO] running `Command { std: "docker" "inspect" "783f97169231c0b71c7257efa4e5138a7a1f8bbd4b34200db9b9212195cfe6d5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "783f97169231c0b71c7257efa4e5138a7a1f8bbd4b34200db9b9212195cfe6d5", kill_on_drop: false }` [INFO] [stdout] 783f97169231c0b71c7257efa4e5138a7a1f8bbd4b34200db9b9212195cfe6d5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] adc7e61a57b9b820aac37b13a84ef4111739c843bbde5874f70d74d139c80290 [INFO] running `Command { std: "docker" "start" "-a" "adc7e61a57b9b820aac37b13a84ef4111739c843bbde5874f70d74d139c80290", kill_on_drop: false }` [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/model/decision_tree.rs:97:51 [INFO] [stdout] | [INFO] [stdout] 97 | let mut node = self.root.as_ref().unwrap().clone(); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the type `Box>` does not implement `Clone`, so calling `clone` on `&Box>` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] 97 - let mut node = self.root.as_ref().unwrap().clone(); [INFO] [stdout] 97 + let mut node = self.root.as_ref().unwrap(); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] WARN rustc_errors::emitter Invalid span /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:231:1: 231:1 (#0), error=SourceNotAvailable { filename: Real(Remapped { local_path: None, virtual_name: "/rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs" }) } [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/model/decision_tree.rs:101:52 [INFO] [stdout] | [INFO] [stdout] 101 | node = &node.left.as_ref().unwrap().clone(); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the type `Box>` does not implement `Clone`, so calling `clone` on `&Box>` copies the reference, which does not do anything and can be removed [INFO] [stdout] help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] 101 - node = &node.left.as_ref().unwrap().clone(); [INFO] [stdout] 101 + node = &node.left.as_ref().unwrap(); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] WARN rustc_errors::emitter Invalid span /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:231:1: 231:1 (#0), error=SourceNotAvailable { filename: Real(Remapped { local_path: None, virtual_name: "/rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs" }) } [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/model/decision_tree.rs:103:53 [INFO] [stdout] | [INFO] [stdout] 103 | node = &node.right.as_ref().unwrap().clone(); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the type `Box>` does not implement `Clone`, so calling `clone` on `&Box>` copies the reference, which does not do anything and can be removed [INFO] [stdout] help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] 103 - node = &node.right.as_ref().unwrap().clone(); [INFO] [stdout] 103 + node = &node.right.as_ref().unwrap(); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] WARN rustc_errors::emitter Invalid span /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:231:1: 231:1 (#0), error=SourceNotAvailable { filename: Real(Remapped { local_path: None, virtual_name: "/rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs" }) } [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/model/knn.rs:310:20 [INFO] [stdout] | [INFO] [stdout] 310 | pub fn nearest(&self, query: &Vec) -> Vec> { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 310 | pub fn nearest(&self, query: &Vec) -> Vec> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling mlinrust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/model/decision_tree.rs:97:51 [INFO] [stdout] | [INFO] [stdout] 97 | let mut node = self.root.as_ref().unwrap().clone(); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the type `Box>` does not implement `Clone`, so calling `clone` on `&Box>` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] 97 - let mut node = self.root.as_ref().unwrap().clone(); [INFO] [stdout] 97 + let mut node = self.root.as_ref().unwrap(); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] WARN rustc_errors::emitter Invalid span /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:231:1: 231:1 (#0), error=SourceNotAvailable { filename: Real(Remapped { local_path: None, virtual_name: "/rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs" }) } [INFO] [stderr] WARN rustc_errors::emitter Invalid span /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:231:1: 231:1 (#0), error=SourceNotAvailable { filename: Real(Remapped { local_path: None, virtual_name: "/rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs" }) } [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/model/decision_tree.rs:101:52 [INFO] [stdout] | [INFO] [stdout] 101 | node = &node.left.as_ref().unwrap().clone(); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the type `Box>` does not implement `Clone`, so calling `clone` on `&Box>` copies the reference, which does not do anything and can be removed [INFO] [stdout] help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] 101 - node = &node.left.as_ref().unwrap().clone(); [INFO] [stdout] 101 + node = &node.left.as_ref().unwrap(); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] WARN rustc_errors::emitter Invalid span /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:231:1: 231:1 (#0), error=SourceNotAvailable { filename: Real(Remapped { local_path: None, virtual_name: "/rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs" }) } [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/model/decision_tree.rs:103:53 [INFO] [stdout] | [INFO] [stdout] 103 | node = &node.right.as_ref().unwrap().clone(); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the type `Box>` does not implement `Clone`, so calling `clone` on `&Box>` copies the reference, which does not do anything and can be removed [INFO] [stdout] help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] 103 - node = &node.right.as_ref().unwrap().clone(); [INFO] [stdout] 103 + node = &node.right.as_ref().unwrap(); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/model/knn.rs:310:20 [INFO] [stdout] | [INFO] [stdout] 310 | pub fn nearest(&self, query: &Vec) -> Vec> { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 310 | pub fn nearest(&self, query: &Vec) -> Vec> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 3.45s [INFO] running `Command { std: "docker" "inspect" "adc7e61a57b9b820aac37b13a84ef4111739c843bbde5874f70d74d139c80290", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "adc7e61a57b9b820aac37b13a84ef4111739c843bbde5874f70d74d139c80290", kill_on_drop: false }` [INFO] [stdout] adc7e61a57b9b820aac37b13a84ef4111739c843bbde5874f70d74d139c80290 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 80282d464c61ce5a150926c3d2150330672675dbaee348871cd0d2e028b077c5 [INFO] running `Command { std: "docker" "start" "-a" "80282d464c61ce5a150926c3d2150330672675dbaee348871cd0d2e028b077c5", kill_on_drop: false }` [INFO] [stderr] WARN rustc_errors::emitter Invalid span /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:231:1: 231:1 (#0), error=SourceNotAvailable { filename: Real(Remapped { local_path: None, virtual_name: "/rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs" }) } [INFO] [stderr] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stderr] --> src/model/decision_tree.rs:97:51 [INFO] [stderr] | [INFO] [stderr] 97 | let mut node = self.root.as_ref().unwrap().clone(); [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: the type `Box>` does not implement `Clone`, so calling `clone` on `&Box>` copies the reference, which does not do anything and can be removed [INFO] [stderr] = note: `#[warn(noop_method_call)]` on by default [INFO] [stderr] help: remove this redundant call [INFO] [stderr] | [INFO] [stderr] 97 - let mut node = self.root.as_ref().unwrap().clone(); [INFO] [stderr] 97 + let mut node = self.root.as_ref().unwrap(); [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] WARN rustc_errors::emitter Invalid span /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:231:1: 231:1 (#0), error=SourceNotAvailable { filename: Real(Remapped { local_path: None, virtual_name: "/rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs" }) } [INFO] [stderr] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stderr] --> src/model/decision_tree.rs:101:52 [INFO] [stderr] | [INFO] [stderr] 101 | node = &node.left.as_ref().unwrap().clone(); [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: the type `Box>` does not implement `Clone`, so calling `clone` on `&Box>` copies the reference, which does not do anything and can be removed [INFO] [stderr] help: remove this redundant call [INFO] [stderr] | [INFO] [stderr] 101 - node = &node.left.as_ref().unwrap().clone(); [INFO] [stderr] 101 + node = &node.left.as_ref().unwrap(); [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] WARN rustc_errors::emitter Invalid span /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:231:1: 231:1 (#0), error=SourceNotAvailable { filename: Real(Remapped { local_path: None, virtual_name: "/rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs" }) } [INFO] [stderr] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stderr] --> src/model/decision_tree.rs:103:53 [INFO] [stderr] | [INFO] [stderr] 103 | node = &node.right.as_ref().unwrap().clone(); [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: the type `Box>` does not implement `Clone`, so calling `clone` on `&Box>` copies the reference, which does not do anything and can be removed [INFO] [stderr] help: remove this redundant call [INFO] [stderr] | [INFO] [stderr] 103 - node = &node.right.as_ref().unwrap().clone(); [INFO] [stderr] 103 + node = &node.right.as_ref().unwrap(); [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/model/knn.rs:310:20 [INFO] [stderr] | [INFO] [stderr] 310 | pub fn nearest(&self, query: &Vec) -> Vec> { [INFO] [stderr] | ^^^^^ ^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 310 | pub fn nearest(&self, query: &Vec) -> Vec> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: `mlinrust` (lib) generated 4 warnings (run `cargo fix --lib -p mlinrust` to apply 4 suggestions) [INFO] [stderr] WARN rustc_errors::emitter Invalid span /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:231:1: 231:1 (#0), error=SourceNotAvailable { filename: Real(Remapped { local_path: None, virtual_name: "/rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs" }) } [INFO] [stderr] WARN rustc_errors::emitter Invalid span /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:231:1: 231:1 (#0), error=SourceNotAvailable { filename: Real(Remapped { local_path: None, virtual_name: "/rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs" }) } [INFO] [stderr] WARN rustc_errors::emitter Invalid span /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:231:1: 231:1 (#0), error=SourceNotAvailable { filename: Real(Remapped { local_path: None, virtual_name: "/rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs" }) } [INFO] [stderr] warning: `mlinrust` (lib test) generated 4 warnings (4 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mlinrust-33b5166a68297aec) [INFO] [stdout] [INFO] [stdout] running 42 tests [INFO] [stdout] test dataset::dataloader::test::test_dataloader_iterator ... ok [INFO] [stdout] test dataset::test::test_split_dataset ... ok [INFO] [stdout] test dataset::utils::test::test_normalize_dataset ... ok [INFO] [stdout] test model::knn::test::test_kdtree ... ok [INFO] [stdout] test model::knn::test::test_knn ... ok [INFO] [stdout] test model::knn::test::test_brute_force_search ... ok [INFO] [stdout] test model::linear_regression::test::test_with_synthetic_data ... ok [INFO] [stdout] test model::kmeans::test::test_kmeans ... ok [INFO] [stdout] test model::decision_tree::test::test_synthetic_samples ... ok [INFO] [stdout] test model::naive_bayes::test::test_gaussian_pdf ... ok [INFO] [stdout] test ndarray::ops::test::test_ops_add ... ok [INFO] [stdout] test ndarray::ops::test::test_index ... ok [INFO] [stdout] test model::logistic_regression::test::test_with_synthetic_data ... ok [INFO] [stdout] test model::nn::linear::test::test_back_propagation ... ok [INFO] [stdout] test model::naive_bayes::test::test_unknown_feature ... ok [INFO] [stdout] test dataset::car_price_dataset::test::test_impute_value ... ok [INFO] [stdout] test ndarray::ops::test::test_ops_inplace ... ok [INFO] [stdout] test ndarray::ops::test::test_ops_multiply_by_ndarray ... ok [INFO] [stdout] test ndarray::ops::test::test_ops_sub ... ok [INFO] [stdout] test model::nn::test::test_nn_forward_backward ... ok [INFO] [stdout] test ndarray::test::test_repeat ... ok [INFO] [stdout] test ndarray::test::test_fmt_display ... ok [INFO] [stdout] test ndarray::utils::test::test_activation_functions ... ok [INFO] [stdout] test ndarray::test::test_new ... ok [INFO] [stdout] test ndarray::utils::test::test_argmax ... ok [INFO] [stdout] test ndarray::test::test_permute ... ok [INFO] [stdout] test ndarray::utils::test::test_softmax ... ok [INFO] [stdout] test ndarray::utils::test::test_sum_ndarray ... ok [INFO] [stdout] test ndarray::ops::test::test_ops_multiply_by_float ... ok [INFO] [stdout] test ndarray::test::test_permute_intrinsic ... ok [INFO] [stdout] test ndarray::utils::test::test_mean_std_min_max ... ok [INFO] [stdout] test utils::test::test_rand ... ok [INFO] [stdout] test dataset::test::test_dataset_iter ... FAILED [INFO] [stdout] test dataset::car_price_dataset::test::test_process ... FAILED [INFO] [stdout] test dataset::utils::test::test ... FAILED [INFO] [stdout] test model::decision_tree::test::test_car_price_regression_dataset ... FAILED [INFO] [stdout] test dataset::test::test_dataset_load_profiling ... FAILED [INFO] [stdout] test model::decision_tree::test::test_mobile_phone_price_dataset ... FAILED [INFO] [stdout] test model::decision_tree::test::test_iris_dataset ... FAILED [INFO] [stdout] test model::svm::test::test_with_2d_points ... ok [INFO] [stderr] error: test failed, to rerun pass `--lib` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/deps/mlinrust-33b5166a68297aec` (signal: 9, SIGKILL: kill) [INFO] running `Command { std: "docker" "inspect" "80282d464c61ce5a150926c3d2150330672675dbaee348871cd0d2e028b077c5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "80282d464c61ce5a150926c3d2150330672675dbaee348871cd0d2e028b077c5", kill_on_drop: false }` [INFO] [stdout] 80282d464c61ce5a150926c3d2150330672675dbaee348871cd0d2e028b077c5