[INFO] cloning repository https://github.com/JMurph2015/rust-vebtrees
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JMurph2015/rust-vebtrees" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJMurph2015%2Frust-vebtrees", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJMurph2015%2Frust-vebtrees'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0120b1332b903167260df47a8b43430faca81f9c
[INFO] checking JMurph2015/rust-vebtrees against beta-2020-07-24 for pr-75494-beta
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJMurph2015%2Frust-vebtrees" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JMurph2015/rust-vebtrees on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JMurph2015/rust-vebtrees
[INFO] finished tweaking git repo https://github.com/JMurph2015/rust-vebtrees
[INFO] tweaked toml for git repo https://github.com/JMurph2015/rust-vebtrees written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/JMurph2015/rust-vebtrees already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.travis-ci
[INFO] [stderr] error: the lock file /workspace/builds/worker-8/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.travis-ci
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 11957bb520f7bc0047897a7820b4f92f68b6b5f95c842d9c228244e158e16d11
[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" "11957bb520f7bc0047897a7820b4f92f68b6b5f95c842d9c228244e158e16d11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "11957bb520f7bc0047897a7820b4f92f68b6b5f95c842d9c228244e158e16d11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11957bb520f7bc0047897a7820b4f92f68b6b5f95c842d9c228244e158e16d11", kill_on_drop: false }`
[INFO] [stdout] 11957bb520f7bc0047897a7820b4f92f68b6b5f95c842d9c228244e158e16d11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cffd9ae4b132d0d6bc6d813e61b5b4223c3f61d69f34ad4c6993d860faf0c669
[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" "cffd9ae4b132d0d6bc6d813e61b5b4223c3f61d69f34ad4c6993d860faf0c669", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.travis-ci
[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]   |              ^^^^^^^^^^^^^ 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: 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: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: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: 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 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 0.84s
[INFO] running `Command { std: "docker" "inspect" "cffd9ae4b132d0d6bc6d813e61b5b4223c3f61d69f34ad4c6993d860faf0c669", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cffd9ae4b132d0d6bc6d813e61b5b4223c3f61d69f34ad4c6993d860faf0c669", kill_on_drop: false }`
[INFO] [stdout] cffd9ae4b132d0d6bc6d813e61b5b4223c3f61d69f34ad4c6993d860faf0c669
