[INFO] fetching crate vebtrees 0.1.4... [INFO] checking vebtrees-0.1.4 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate vebtrees 0.1.4 into /workspace/builds/worker-7-tc1/source [INFO] validating manifest of crates.io crate vebtrees 0.1.4 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate vebtrees 0.1.4 [INFO] finished tweaking crates.io crate vebtrees 0.1.4 [INFO] tweaked toml for crates.io crate vebtrees 0.1.4 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1feb68477a9ff35766bb3aaef078be0b663ff71763b054c4934eeb6dd4de102b [INFO] running `Command { std: "docker" "start" "-a" "1feb68477a9ff35766bb3aaef078be0b663ff71763b054c4934eeb6dd4de102b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1feb68477a9ff35766bb3aaef078be0b663ff71763b054c4934eeb6dd4de102b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1feb68477a9ff35766bb3aaef078be0b663ff71763b054c4934eeb6dd4de102b", kill_on_drop: false }` [INFO] [stdout] 1feb68477a9ff35766bb3aaef078be0b663ff71763b054c4934eeb6dd4de102b [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 460e85ec18593daf285510cdf3aba634d23cc20255d839bd1d7a640b34b26e5c [INFO] running `Command { std: "docker" "start" "-a" "460e85ec18593daf285510cdf3aba634d23cc20255d839bd1d7a640b34b26e5c", kill_on_drop: false }` [INFO] [stderr] Checking vebtrees v0.1.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `Duration`, `Instant` [INFO] [stdout] --> src/tests.rs:3:17 [INFO] [stdout] | [INFO] [stdout] 3 | use std::time::{Instant, Duration}; [INFO] [stdout] | ^^^^^^^ ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/lib.rs:285:61 [INFO] [stdout] | [INFO] [stdout] 285 | ... self.min = Some((first_cluster [INFO] [stdout] | ^ [INFO] [stdout] 286 | ... * self.children.len() as T [INFO] [stdout] 287 | ... + min)); [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 285 ~ self.min = Some(first_cluster [INFO] [stdout] 286 | * self.children.len() as T [INFO] [stdout] 287 ~ + min); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/lib.rs:312:61 [INFO] [stdout] | [INFO] [stdout] 312 | ... self.max = Some((last_cluster [INFO] [stdout] | ^ [INFO] [stdout] 313 | ... * self.children.len() as T [INFO] [stdout] 314 | ... + max)); [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 312 ~ self.max = Some(last_cluster [INFO] [stdout] 313 | * self.children.len() as T [INFO] [stdout] 314 ~ + max); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/test_asymptotes.rs:9:14 [INFO] [stdout] | [INFO] [stdout] 9 | for i in (0..num_runs) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 9 - for i in (0..num_runs) { [INFO] [stdout] 9 + for i in 0..num_runs { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/test_asymptotes.rs:39:14 [INFO] [stdout] | [INFO] [stdout] 39 | for i in (0..num_runs) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 39 - for i in (0..num_runs) { [INFO] [stdout] 39 + for i in 0..num_runs { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/test_asymptotes.rs:74:14 [INFO] [stdout] | [INFO] [stdout] 74 | for i in (0..num_runs) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 74 - for i in (0..num_runs) { [INFO] [stdout] 74 + for i in 0..num_runs { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/test_asymptotes.rs:108:14 [INFO] [stdout] | [INFO] [stdout] 108 | for i in (0..num_runs) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 108 - for i in (0..num_runs) { [INFO] [stdout] 108 + for i in 0..num_runs { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/lib.rs:285:61 [INFO] [stdout] | [INFO] [stdout] 285 | ... self.min = Some((first_cluster [INFO] [stdout] | ^ [INFO] [stdout] 286 | ... * self.children.len() as T [INFO] [stdout] 287 | ... + min)); [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 285 ~ self.min = Some(first_cluster [INFO] [stdout] 286 | * self.children.len() as T [INFO] [stdout] 287 ~ + min); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/lib.rs:312:61 [INFO] [stdout] | [INFO] [stdout] 312 | ... self.max = Some((last_cluster [INFO] [stdout] | ^ [INFO] [stdout] 313 | ... * self.children.len() as T [INFO] [stdout] 314 | ... + max)); [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 312 ~ self.max = Some(last_cluster [INFO] [stdout] 313 | * self.children.len() as T [INFO] [stdout] 314 ~ + max); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/lib.rs:406:25 [INFO] [stdout] | [INFO] [stdout] 406 | return match self.children[self.high(value)].search(offset) { [INFO] [stdout] | _________________________^______- [INFO] [stdout] | |_________________________| [INFO] [stdout] | || [INFO] [stdout] 407 | || Some(n) => { [INFO] [stdout] 408 | || return Some(n + self.high(value)*self.children.len()); [INFO] [stdout] 409 | || }, [INFO] [stdout] ... || [INFO] [stdout] 412 | || } [INFO] [stdout] 413 | || }; [INFO] [stdout] | || ^ [INFO] [stdout] | ||_________________________| [INFO] [stdout] | |_________________________unreachable expression [INFO] [stdout] | any code following this `match` expression is unreachable, as all arms diverge [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/lib.rs:420:13 [INFO] [stdout] | [INFO] [stdout] 420 | return match self.children[next_cluster].search(offset) { [INFO] [stdout] | _____________^______- [INFO] [stdout] | |_____________| [INFO] [stdout] | || [INFO] [stdout] 421 | || Some(n) => { [INFO] [stdout] 422 | || return Some(n + next_cluster*self.children.len()); [INFO] [stdout] 423 | || }, [INFO] [stdout] ... || [INFO] [stdout] 426 | || } [INFO] [stdout] 427 | || }; [INFO] [stdout] | || ^ [INFO] [stdout] | ||_____________| [INFO] [stdout] | |_____________unreachable expression [INFO] [stdout] | any code following this `match` expression is unreachable, as all arms diverge [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/lib.rs:463:25 [INFO] [stdout] | [INFO] [stdout] 463 | return match self.children[self.high(value)].search(offset) { [INFO] [stdout] | _________________________^______- [INFO] [stdout] | |_________________________| [INFO] [stdout] | || [INFO] [stdout] 464 | || Some(n) => { [INFO] [stdout] 465 | || return Some(n + self.high(value)*self.children.len()); [INFO] [stdout] 466 | || }, [INFO] [stdout] ... || [INFO] [stdout] 469 | || } [INFO] [stdout] 470 | || }; [INFO] [stdout] | || ^ [INFO] [stdout] | ||_________________________| [INFO] [stdout] | |_________________________unreachable expression [INFO] [stdout] | any code following this `match` expression is unreachable, as all arms diverge [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/lib.rs:477:13 [INFO] [stdout] | [INFO] [stdout] 477 | return match self.children[next_cluster].search(offset) { [INFO] [stdout] | _____________^______- [INFO] [stdout] | |_____________| [INFO] [stdout] | || [INFO] [stdout] 478 | || Some(n) => { [INFO] [stdout] 479 | || return Some(n + next_cluster*self.children.len()); [INFO] [stdout] 480 | || }, [INFO] [stdout] ... || [INFO] [stdout] 483 | || } [INFO] [stdout] 484 | || }; [INFO] [stdout] | || ^ [INFO] [stdout] | ||_____________| [INFO] [stdout] | |_____________unreachable expression [INFO] [stdout] | any code following this `match` expression is unreachable, as all arms diverge [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `index` [INFO] [stdout] --> src/lib.rs:59:17 [INFO] [stdout] | [INFO] [stdout] 59 | for index in 0..self_size { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_index` [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] --> src/lib.rs:62:17 [INFO] [stdout] | [INFO] [stdout] 62 | let mut aux = Self::new(pass_size); [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] --> src/lib.rs:65:13 [INFO] [stdout] | [INFO] [stdout] 65 | let mut tree = VEBTree { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `min_value` [INFO] [stdout] --> src/lib.rs:179:22 [INFO] [stdout] | [INFO] [stdout] 179 | Some(min_value) => (), [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_min_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `min_val` [INFO] [stdout] --> src/lib.rs:384:17 [INFO] [stdout] | [INFO] [stdout] 384 | let min_val = self.min?; [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_min_val` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/lib.rs:406:25 [INFO] [stdout] | [INFO] [stdout] 406 | return match self.children[self.high(value)].search(offset) { [INFO] [stdout] | _________________________^______- [INFO] [stdout] | |_________________________| [INFO] [stdout] | || [INFO] [stdout] 407 | || Some(n) => { [INFO] [stdout] 408 | || return Some(n + self.high(value)*self.children.len()); [INFO] [stdout] 409 | || }, [INFO] [stdout] ... || [INFO] [stdout] 412 | || } [INFO] [stdout] 413 | || }; [INFO] [stdout] | || ^ [INFO] [stdout] | ||_________________________| [INFO] [stdout] | |_________________________unreachable expression [INFO] [stdout] | any code following this `match` expression is unreachable, as all arms diverge [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/lib.rs:420:13 [INFO] [stdout] | [INFO] [stdout] 420 | return match self.children[next_cluster].search(offset) { [INFO] [stdout] | _____________^______- [INFO] [stdout] | |_____________| [INFO] [stdout] | || [INFO] [stdout] 421 | || Some(n) => { [INFO] [stdout] 422 | || return Some(n + next_cluster*self.children.len()); [INFO] [stdout] 423 | || }, [INFO] [stdout] ... || [INFO] [stdout] 426 | || } [INFO] [stdout] 427 | || }; [INFO] [stdout] | || ^ [INFO] [stdout] | ||_____________| [INFO] [stdout] | |_____________unreachable expression [INFO] [stdout] | any code following this `match` expression is unreachable, as all arms diverge [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/lib.rs:463:25 [INFO] [stdout] | [INFO] [stdout] 463 | return match self.children[self.high(value)].search(offset) { [INFO] [stdout] | _________________________^______- [INFO] [stdout] | |_________________________| [INFO] [stdout] | || [INFO] [stdout] 464 | || Some(n) => { [INFO] [stdout] 465 | || return Some(n + self.high(value)*self.children.len()); [INFO] [stdout] 466 | || }, [INFO] [stdout] ... || [INFO] [stdout] 469 | || } [INFO] [stdout] 470 | || }; [INFO] [stdout] | || ^ [INFO] [stdout] | ||_________________________| [INFO] [stdout] | |_________________________unreachable expression [INFO] [stdout] | any code following this `match` expression is unreachable, as all arms diverge [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/lib.rs:477:13 [INFO] [stdout] | [INFO] [stdout] 477 | return match self.children[next_cluster].search(offset) { [INFO] [stdout] | _____________^______- [INFO] [stdout] | |_____________| [INFO] [stdout] | || [INFO] [stdout] 478 | || Some(n) => { [INFO] [stdout] 479 | || return Some(n + next_cluster*self.children.len()); [INFO] [stdout] 480 | || }, [INFO] [stdout] ... || [INFO] [stdout] 483 | || } [INFO] [stdout] 484 | || }; [INFO] [stdout] | || ^ [INFO] [stdout] | ||_____________| [INFO] [stdout] | |_____________unreachable expression [INFO] [stdout] | any code following this `match` expression is unreachable, as all arms diverge [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tests.rs:40:9 [INFO] [stdout] | [INFO] [stdout] 40 | let mut reference_tree = VEBTree::new(16); [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] --> src/tests.rs:55:13 [INFO] [stdout] | [INFO] [stdout] 55 | let mut reference_tree = VEBTree::new(i); [INFO] [stdout] | ----^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `index` [INFO] [stdout] --> src/lib.rs:59:17 [INFO] [stdout] | [INFO] [stdout] 59 | for index in 0..self_size { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_index` [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] --> src/lib.rs:62:17 [INFO] [stdout] | [INFO] [stdout] 62 | let mut aux = Self::new(pass_size); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:65:13 [INFO] [stdout] | [INFO] [stdout] 65 | let mut tree = VEBTree { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `min_value` [INFO] [stdout] --> src/lib.rs:179:22 [INFO] [stdout] | [INFO] [stdout] 179 | Some(min_value) => (), [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_min_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `min_val` [INFO] [stdout] --> src/lib.rs:384:17 [INFO] [stdout] | [INFO] [stdout] 384 | let min_val = self.min?; [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_min_val` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 18 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s [INFO] running `Command { std: "docker" "inspect" "460e85ec18593daf285510cdf3aba634d23cc20255d839bd1d7a640b34b26e5c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "460e85ec18593daf285510cdf3aba634d23cc20255d839bd1d7a640b34b26e5c", kill_on_drop: false }` [INFO] [stdout] 460e85ec18593daf285510cdf3aba634d23cc20255d839bd1d7a640b34b26e5c [INFO] checking vebtrees-0.1.4 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate vebtrees 0.1.4 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate vebtrees 0.1.4 on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate vebtrees 0.1.4 [INFO] finished tweaking crates.io crate vebtrees 0.1.4 [INFO] tweaked toml for crates.io crate vebtrees 0.1.4 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 26dd315b2de0500bef7724d6a3179e4beb2dfd0780fb27aaeecab526baeca510 [INFO] running `Command { std: "docker" "start" "-a" "26dd315b2de0500bef7724d6a3179e4beb2dfd0780fb27aaeecab526baeca510", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "26dd315b2de0500bef7724d6a3179e4beb2dfd0780fb27aaeecab526baeca510", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "26dd315b2de0500bef7724d6a3179e4beb2dfd0780fb27aaeecab526baeca510", kill_on_drop: false }` [INFO] [stdout] 26dd315b2de0500bef7724d6a3179e4beb2dfd0780fb27aaeecab526baeca510 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "-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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7fcd1a7f32a11c520fac9ceb331499d2d65a9551d2c753be0f314e4990adfdfa [INFO] running `Command { std: "docker" "start" "-a" "7fcd1a7f32a11c520fac9ceb331499d2d65a9551d2c753be0f314e4990adfdfa", kill_on_drop: false }` [INFO] [stderr] Checking vebtrees v0.1.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `Duration`, `Instant` [INFO] [stdout] --> src/tests.rs:3:17 [INFO] [stdout] | [INFO] [stdout] 3 | use std::time::{Instant, Duration}; [INFO] [stdout] | ^^^^^^^ ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/test_asymptotes.rs:9:14 [INFO] [stdout] | [INFO] [stdout] 9 | for i in (0..num_runs) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 9 - for i in (0..num_runs) { [INFO] [stdout] 9 + for i in 0..num_runs { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/test_asymptotes.rs:39:14 [INFO] [stdout] | [INFO] [stdout] 39 | for i in (0..num_runs) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 39 - for i in (0..num_runs) { [INFO] [stdout] 39 + for i in 0..num_runs { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/test_asymptotes.rs:74:14 [INFO] [stdout] | [INFO] [stdout] 74 | for i in (0..num_runs) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 74 - for i in (0..num_runs) { [INFO] [stdout] 74 + for i in 0..num_runs { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/test_asymptotes.rs:108:14 [INFO] [stdout] | [INFO] [stdout] 108 | for i in (0..num_runs) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 108 - for i in (0..num_runs) { [INFO] [stdout] 108 + for i in 0..num_runs { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/lib.rs:285:61 [INFO] [stdout] | [INFO] [stdout] 285 | ... self.min = Some((first_cluster [INFO] [stdout] | ^ [INFO] [stdout] 286 | ... * self.children.len() as T [INFO] [stdout] 287 | ... + min)); [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 285 ~ self.min = Some(first_cluster [INFO] [stdout] 286 | * self.children.len() as T [INFO] [stdout] 287 ~ + min); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/lib.rs:285:61 [INFO] [stdout] | [INFO] [stdout] 285 | ... self.min = Some((first_cluster [INFO] [stdout] | ^ [INFO] [stdout] 286 | ... * self.children.len() as T [INFO] [stdout] 287 | ... + min)); [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 285 ~ self.min = Some(first_cluster [INFO] [stdout] 286 | * self.children.len() as T [INFO] [stdout] 287 ~ + min); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/lib.rs:312:61 [INFO] [stdout] | [INFO] [stdout] 312 | ... self.max = Some((last_cluster [INFO] [stdout] | ^ [INFO] [stdout] 313 | ... * self.children.len() as T [INFO] [stdout] 314 | ... + max)); [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 312 ~ self.max = Some(last_cluster [INFO] [stdout] 313 | * self.children.len() as T [INFO] [stdout] 314 ~ + max); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/lib.rs:312:61 [INFO] [stdout] | [INFO] [stdout] 312 | ... self.max = Some((last_cluster [INFO] [stdout] | ^ [INFO] [stdout] 313 | ... * self.children.len() as T [INFO] [stdout] 314 | ... + max)); [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 312 ~ self.max = Some(last_cluster [INFO] [stdout] 313 | * self.children.len() as T [INFO] [stdout] 314 ~ + max); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _` [INFO] [stdout] --> src/lib.rs:209:40 [INFO] [stdout] | [INFO] [stdout] 209 | ... } else if value > max_value { [INFO] [stdout] | ______________________________^ [INFO] [stdout] 210 | | ... self.max = Some(value); [INFO] [stdout] 211 | | ... self.insert_into_tree(value); [INFO] [stdout] 212 | | ... return; [INFO] [stdout] ... | [INFO] [stdout] 215 | | ... return; [INFO] [stdout] 216 | | ... } [INFO] [stdout] | |_______________________^ cannot satisfy `_ -> _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/lib.rs:406:25 [INFO] [stdout] | [INFO] [stdout] 406 | return match self.children[self.high(value)].search(offset) { [INFO] [stdout] | _________________________^______- [INFO] [stdout] | |_________________________| [INFO] [stdout] | || [INFO] [stdout] 407 | || Some(n) => { [INFO] [stdout] 408 | || return Some(n + self.high(value)*self.children.len()); [INFO] [stdout] 409 | || }, [INFO] [stdout] ... || [INFO] [stdout] 412 | || } [INFO] [stdout] 413 | || }; [INFO] [stdout] | || ^ [INFO] [stdout] | ||_________________________| [INFO] [stdout] | |_________________________unreachable expression [INFO] [stdout] | any code following this `match` expression is unreachable, as all arms diverge [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/lib.rs:420:13 [INFO] [stdout] | [INFO] [stdout] 420 | return match self.children[next_cluster].search(offset) { [INFO] [stdout] | _____________^______- [INFO] [stdout] | |_____________| [INFO] [stdout] | || [INFO] [stdout] 421 | || Some(n) => { [INFO] [stdout] 422 | || return Some(n + next_cluster*self.children.len()); [INFO] [stdout] 423 | || }, [INFO] [stdout] ... || [INFO] [stdout] 426 | || } [INFO] [stdout] 427 | || }; [INFO] [stdout] | || ^ [INFO] [stdout] | ||_____________| [INFO] [stdout] | |_____________unreachable expression [INFO] [stdout] | any code following this `match` expression is unreachable, as all arms diverge [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/lib.rs:463:25 [INFO] [stdout] | [INFO] [stdout] 463 | return match self.children[self.high(value)].search(offset) { [INFO] [stdout] | _________________________^______- [INFO] [stdout] | |_________________________| [INFO] [stdout] | || [INFO] [stdout] 464 | || Some(n) => { [INFO] [stdout] 465 | || return Some(n + self.high(value)*self.children.len()); [INFO] [stdout] 466 | || }, [INFO] [stdout] ... || [INFO] [stdout] 469 | || } [INFO] [stdout] 470 | || }; [INFO] [stdout] | || ^ [INFO] [stdout] | ||_________________________| [INFO] [stdout] | |_________________________unreachable expression [INFO] [stdout] | any code following this `match` expression is unreachable, as all arms diverge [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/lib.rs:477:13 [INFO] [stdout] | [INFO] [stdout] 477 | return match self.children[next_cluster].search(offset) { [INFO] [stdout] | _____________^______- [INFO] [stdout] | |_____________| [INFO] [stdout] | || [INFO] [stdout] 478 | || Some(n) => { [INFO] [stdout] 479 | || return Some(n + next_cluster*self.children.len()); [INFO] [stdout] 480 | || }, [INFO] [stdout] ... || [INFO] [stdout] 483 | || } [INFO] [stdout] 484 | || }; [INFO] [stdout] | || ^ [INFO] [stdout] | ||_____________| [INFO] [stdout] | |_____________unreachable expression [INFO] [stdout] | any code following this `match` expression is unreachable, as all arms diverge [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `index` [INFO] [stdout] --> src/lib.rs:59:17 [INFO] [stdout] | [INFO] [stdout] 59 | for index in 0..self_size { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_index` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _` [INFO] [stdout] --> src/lib.rs:209:40 [INFO] [stdout] | [INFO] [stdout] 209 | ... } else if value > max_value { [INFO] [stdout] | ______________________________^ [INFO] [stdout] 210 | | ... self.max = Some(value); [INFO] [stdout] 211 | | ... self.insert_into_tree(value); [INFO] [stdout] 212 | | ... return; [INFO] [stdout] ... | [INFO] [stdout] 215 | | ... return; [INFO] [stdout] 216 | | ... } [INFO] [stdout] | |_______________________^ cannot satisfy `_ -> _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:62:17 [INFO] [stdout] | [INFO] [stdout] 62 | let mut aux = Self::new(pass_size); [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] --> src/lib.rs:65:13 [INFO] [stdout] | [INFO] [stdout] 65 | let mut tree = VEBTree { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `min_value` [INFO] [stdout] --> src/lib.rs:179:22 [INFO] [stdout] | [INFO] [stdout] 179 | Some(min_value) => (), [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_min_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/lib.rs:406:25 [INFO] [stdout] | [INFO] [stdout] 406 | return match self.children[self.high(value)].search(offset) { [INFO] [stdout] | _________________________^______- [INFO] [stdout] | |_________________________| [INFO] [stdout] | || [INFO] [stdout] 407 | || Some(n) => { [INFO] [stdout] 408 | || return Some(n + self.high(value)*self.children.len()); [INFO] [stdout] 409 | || }, [INFO] [stdout] ... || [INFO] [stdout] 412 | || } [INFO] [stdout] 413 | || }; [INFO] [stdout] | || ^ [INFO] [stdout] | ||_________________________| [INFO] [stdout] | |_________________________unreachable expression [INFO] [stdout] | any code following this `match` expression is unreachable, as all arms diverge [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/lib.rs:420:13 [INFO] [stdout] | [INFO] [stdout] 420 | return match self.children[next_cluster].search(offset) { [INFO] [stdout] | _____________^______- [INFO] [stdout] | |_____________| [INFO] [stdout] | || [INFO] [stdout] 421 | || Some(n) => { [INFO] [stdout] 422 | || return Some(n + next_cluster*self.children.len()); [INFO] [stdout] 423 | || }, [INFO] [stdout] ... || [INFO] [stdout] 426 | || } [INFO] [stdout] 427 | || }; [INFO] [stdout] | || ^ [INFO] [stdout] | ||_____________| [INFO] [stdout] | |_____________unreachable expression [INFO] [stdout] | any code following this `match` expression is unreachable, as all arms diverge [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/lib.rs:463:25 [INFO] [stdout] | [INFO] [stdout] 463 | return match self.children[self.high(value)].search(offset) { [INFO] [stdout] | _________________________^______- [INFO] [stdout] | |_________________________| [INFO] [stdout] | || [INFO] [stdout] 464 | || Some(n) => { [INFO] [stdout] 465 | || return Some(n + self.high(value)*self.children.len()); [INFO] [stdout] 466 | || }, [INFO] [stdout] ... || [INFO] [stdout] 469 | || } [INFO] [stdout] 470 | || }; [INFO] [stdout] | || ^ [INFO] [stdout] | ||_________________________| [INFO] [stdout] | |_________________________unreachable expression [INFO] [stdout] | any code following this `match` expression is unreachable, as all arms diverge [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/lib.rs:477:13 [INFO] [stdout] | [INFO] [stdout] 477 | return match self.children[next_cluster].search(offset) { [INFO] [stdout] | _____________^______- [INFO] [stdout] | |_____________| [INFO] [stdout] | || [INFO] [stdout] 478 | || Some(n) => { [INFO] [stdout] 479 | || return Some(n + next_cluster*self.children.len()); [INFO] [stdout] 480 | || }, [INFO] [stdout] ... || [INFO] [stdout] 483 | || } [INFO] [stdout] 484 | || }; [INFO] [stdout] | || ^ [INFO] [stdout] | ||_____________| [INFO] [stdout] | |_____________unreachable expression [INFO] [stdout] | any code following this `match` expression is unreachable, as all arms diverge [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `min_val` [INFO] [stdout] --> src/lib.rs:384:17 [INFO] [stdout] | [INFO] [stdout] 384 | let min_val = self.min?; [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_min_val` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tests.rs:40:9 [INFO] [stdout] | [INFO] [stdout] 40 | let mut reference_tree = VEBTree::new(16); [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] --> src/tests.rs:55:13 [INFO] [stdout] | [INFO] [stdout] 55 | let mut reference_tree = VEBTree::new(i); [INFO] [stdout] | ----^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0284`. [INFO] [stdout] [INFO] [stderr] error: could not compile `vebtrees` (lib) due to 2 previous errors; 11 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: unused variable: `index` [INFO] [stdout] --> src/lib.rs:59:17 [INFO] [stdout] | [INFO] [stdout] 59 | for index in 0..self_size { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_index` [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] --> src/lib.rs:62:17 [INFO] [stdout] | [INFO] [stdout] 62 | let mut aux = Self::new(pass_size); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:65:13 [INFO] [stdout] | [INFO] [stdout] 65 | let mut tree = VEBTree { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `min_value` [INFO] [stdout] --> src/lib.rs:179:22 [INFO] [stdout] | [INFO] [stdout] 179 | Some(min_value) => (), [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_min_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `min_val` [INFO] [stdout] --> src/lib.rs:384:17 [INFO] [stdout] | [INFO] [stdout] 384 | let min_val = self.min?; [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_min_val` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 18 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0284`. [INFO] [stdout] [INFO] [stderr] error: could not compile `vebtrees` (lib test) due to 2 previous errors; 18 warnings emitted [INFO] running `Command { std: "docker" "inspect" "7fcd1a7f32a11c520fac9ceb331499d2d65a9551d2c753be0f314e4990adfdfa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7fcd1a7f32a11c520fac9ceb331499d2d65a9551d2c753be0f314e4990adfdfa", kill_on_drop: false }` [INFO] [stdout] 7fcd1a7f32a11c520fac9ceb331499d2d65a9551d2c753be0f314e4990adfdfa