[INFO] fetching crate vebtrees 0.1.4... [INFO] checking vebtrees-0.1.4 against beta for pr-78714 [INFO] extracting crate vebtrees 0.1.4 into /workspace/builds/worker-5/source [INFO] validating manifest of crates.io crate vebtrees 0.1.4 on toolchain beta [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", 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-5/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3a1cc0c32338f3f13f94991742a09635634d5946b4e872ceb69229a3b7444a78 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "3a1cc0c32338f3f13f94991742a09635634d5946b4e872ceb69229a3b7444a78", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3a1cc0c32338f3f13f94991742a09635634d5946b4e872ceb69229a3b7444a78", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3a1cc0c32338f3f13f94991742a09635634d5946b4e872ceb69229a3b7444a78", kill_on_drop: false }` [INFO] [stdout] 3a1cc0c32338f3f13f94991742a09635634d5946b4e872ceb69229a3b7444a78 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] f3ba4d3c06d9f321d821b7a1d8d068e8eef3ac110ff0e2555761415e7dd26036 [INFO] running `Command { std: "docker" "start" "-a" "f3ba4d3c06d9f321d821b7a1d8d068e8eef3ac110ff0e2555761415e7dd26036", kill_on_drop: false }` [INFO] [stderr] Checking vebtrees v0.1.4 (/opt/rustwide/workdir) [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: 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] | ^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [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] | ^^^^^^^^^^^^^ help: remove these parentheses [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] | ^^^^^^^^^^^^^ help: remove these parentheses [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] | ^^^^^^^^^^^^^ help: remove these parentheses [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: 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: 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: 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: 11 warnings emitted [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: 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: 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: 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] [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: 18 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.32s [INFO] running `Command { std: "docker" "inspect" "f3ba4d3c06d9f321d821b7a1d8d068e8eef3ac110ff0e2555761415e7dd26036", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f3ba4d3c06d9f321d821b7a1d8d068e8eef3ac110ff0e2555761415e7dd26036", kill_on_drop: false }` [INFO] [stdout] f3ba4d3c06d9f321d821b7a1d8d068e8eef3ac110ff0e2555761415e7dd26036