[INFO] fetching crate vebtrees 0.1.4...
[INFO] building vebtrees-0.1.4 against try#615edd3ad1cf6871c977dc900317cb6c2070fd6b for pr-97334
[INFO] extracting crate vebtrees 0.1.4 into /workspace/builds/worker-28/source
[INFO] validating manifest of crates.io crate vebtrees 0.1.4 on toolchain 615edd3ad1cf6871c977dc900317cb6c2070fd6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "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-28/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] afb10798b35e1fcdb57eb204d801212c0e7c8652afb6177fa970a8b6a5c8eb60
[INFO] running `Command { std: "docker" "start" "-a" "afb10798b35e1fcdb57eb204d801212c0e7c8652afb6177fa970a8b6a5c8eb60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "afb10798b35e1fcdb57eb204d801212c0e7c8652afb6177fa970a8b6a5c8eb60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afb10798b35e1fcdb57eb204d801212c0e7c8652afb6177fa970a8b6a5c8eb60", kill_on_drop: false }`
[INFO] [stdout] afb10798b35e1fcdb57eb204d801212c0e7c8652afb6177fa970a8b6a5c8eb60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 638a937ef7dc9920e97363916ea21e363201a41e09e6882f05646d7f53631e8e
[INFO] running `Command { std: "docker" "start" "-a" "638a937ef7dc9920e97363916ea21e363201a41e09e6882f05646d7f53631e8e", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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: 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: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "638a937ef7dc9920e97363916ea21e363201a41e09e6882f05646d7f53631e8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "638a937ef7dc9920e97363916ea21e363201a41e09e6882f05646d7f53631e8e", kill_on_drop: false }`
[INFO] [stdout] 638a937ef7dc9920e97363916ea21e363201a41e09e6882f05646d7f53631e8e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d5f980c8c1c8547a8656409fad3f46b622b43d596f8aad613753a9444c320893
[INFO] running `Command { std: "docker" "start" "-a" "d5f980c8c1c8547a8656409fad3f46b622b43d596f8aad613753a9444c320893", kill_on_drop: false }`
[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: 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] [stderr]    Compiling vebtrees v0.1.4 (/opt/rustwide/workdir)
[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: 11 warnings emitted
[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]   |              ^           ^
[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: 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 test [unoptimized + debuginfo] target(s) in 0.98s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/vebtrees-024809c980b5b0a5)
[INFO] running `Command { std: "docker" "inspect" "d5f980c8c1c8547a8656409fad3f46b622b43d596f8aad613753a9444c320893", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5f980c8c1c8547a8656409fad3f46b622b43d596f8aad613753a9444c320893", kill_on_drop: false }`
[INFO] [stdout] d5f980c8c1c8547a8656409fad3f46b622b43d596f8aad613753a9444c320893