Dec 06 18:09:43.493 INFO testing vebtrees-0.1.3 against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 06 18:09:43.493 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 06 18:09:43.901 INFO [stdout] c858f9d5971011ec6348715aecd1cd527ba1d547498679d3c668dab9a2b45fcb
Dec 06 18:09:43.903 INFO running `"docker" "start" "-a" "c858f9d5971011ec6348715aecd1cd527ba1d547498679d3c668dab9a2b45fcb"`
Dec 06 18:09:44.856 INFO [stderr] usermod: no changes
Dec 06 18:09:44.908 INFO [stderr]    Compiling vebtrees v0.1.3 (/source)
Dec 06 18:09:45.289 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 06 18:09:45.289 INFO [stderr]    --> src/lib.rs:285:61
Dec 06 18:09:45.290 INFO [stderr]     |
Dec 06 18:09:45.290 INFO [stderr] 285 |                                               self.min = Some((first_cluster
Dec 06 18:09:45.290 INFO [stderr]     |  _____________________________________________________________^
Dec 06 18:09:45.290 INFO [stderr] 286 | |                                                             * self.children.len() as T
Dec 06 18:09:45.290 INFO [stderr] 287 | |                                                              + min));
Dec 06 18:09:45.290 INFO [stderr]     | |___________________________________________________________________^
Dec 06 18:09:45.290 INFO [stderr]     |
Dec 06 18:09:45.290 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 06 18:09:45.290 INFO [stderr] help: remove these parentheses
Dec 06 18:09:45.290 INFO [stderr]     |
Dec 06 18:09:45.290 INFO [stderr] 285 |                                             self.min = Some(first_cluster
Dec 06 18:09:45.290 INFO [stderr] 286 |                                                             * self.children.len() as T
Dec 06 18:09:45.290 INFO [stderr] 287 |                                                              + min);
Dec 06 18:09:45.290 INFO [stderr]     |
Dec 06 18:09:45.290 INFO [stderr] 
Dec 06 18:09:45.290 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 06 18:09:45.290 INFO [stderr]    --> src/lib.rs:312:61
Dec 06 18:09:45.290 INFO [stderr]     |
Dec 06 18:09:45.290 INFO [stderr] 312 |                                               self.max = Some((last_cluster
Dec 06 18:09:45.290 INFO [stderr]     |  _____________________________________________________________^
Dec 06 18:09:45.290 INFO [stderr] 313 | |                                                              * self.children.len() as T
Dec 06 18:09:45.290 INFO [stderr] 314 | |                                                              + max));
Dec 06 18:09:45.290 INFO [stderr]     | |___________________________________________________________________^
Dec 06 18:09:45.290 INFO [stderr] help: remove these parentheses
Dec 06 18:09:45.290 INFO [stderr]     |
Dec 06 18:09:45.290 INFO [stderr] 312 |                                             self.max = Some(last_cluster
Dec 06 18:09:45.290 INFO [stderr] 313 |                                                              * self.children.len() as T
Dec 06 18:09:45.290 INFO [stderr] 314 |                                                              + max);
Dec 06 18:09:45.290 INFO [stderr]     |
Dec 06 18:09:45.290 INFO [stderr] 
Dec 06 18:09:45.368 INFO [stderr] warning: unreachable expression
Dec 06 18:09:45.368 INFO [stderr]    --> src/lib.rs:406:25
Dec 06 18:09:45.368 INFO [stderr]     |
Dec 06 18:09:45.368 INFO [stderr] 406 | /                         return match self.children[self.high(value)].search(offset) {
Dec 06 18:09:45.368 INFO [stderr] 407 | |                             Some(n) => {
Dec 06 18:09:45.368 INFO [stderr] 408 | |                                 return Some(n + self.high(value)*self.children.len());
Dec 06 18:09:45.368 INFO [stderr] 409 | |                             },
Dec 06 18:09:45.368 INFO [stderr] ...   |
Dec 06 18:09:45.368 INFO [stderr] 412 | |                             }
Dec 06 18:09:45.368 INFO [stderr] 413 | |                         };
Dec 06 18:09:45.368 INFO [stderr]     | |_________________________^
Dec 06 18:09:45.368 INFO [stderr]     |
Dec 06 18:09:45.368 INFO [stderr]     = note: #[warn(unreachable_code)] on by default
Dec 06 18:09:45.368 INFO [stderr] 
Dec 06 18:09:45.368 INFO [stderr] warning: unreachable expression
Dec 06 18:09:45.368 INFO [stderr]    --> src/lib.rs:420:13
Dec 06 18:09:45.368 INFO [stderr]     |
Dec 06 18:09:45.368 INFO [stderr] 420 | /             return match self.children[next_cluster].search(offset) {
Dec 06 18:09:45.368 INFO [stderr] 421 | |                 Some(n) => {
Dec 06 18:09:45.368 INFO [stderr] 422 | |                     return Some(n + next_cluster*self.children.len());
Dec 06 18:09:45.368 INFO [stderr] 423 | |                 },
Dec 06 18:09:45.368 INFO [stderr] ...   |
Dec 06 18:09:45.368 INFO [stderr] 426 | |                 }
Dec 06 18:09:45.368 INFO [stderr] 427 | |             };
Dec 06 18:09:45.368 INFO [stderr]     | |_____________^
Dec 06 18:09:45.368 INFO [stderr] 
Dec 06 18:09:45.368 INFO [stderr] warning: unreachable expression
Dec 06 18:09:45.368 INFO [stderr]    --> src/lib.rs:463:25
Dec 06 18:09:45.368 INFO [stderr]     |
Dec 06 18:09:45.368 INFO [stderr] 463 | /                         return match self.children[self.high(value)].search(offset) {
Dec 06 18:09:45.368 INFO [stderr] 464 | |                             Some(n) => {
Dec 06 18:09:45.368 INFO [stderr] 465 | |                                 return Some(n + self.high(value)*self.children.len());
Dec 06 18:09:45.368 INFO [stderr] 466 | |                             },
Dec 06 18:09:45.368 INFO [stderr] ...   |
Dec 06 18:09:45.368 INFO [stderr] 469 | |                             }
Dec 06 18:09:45.368 INFO [stderr] 470 | |                         };
Dec 06 18:09:45.368 INFO [stderr]     | |_________________________^
Dec 06 18:09:45.369 INFO [stderr] 
Dec 06 18:09:45.369 INFO [stderr] warning: unreachable expression
Dec 06 18:09:45.369 INFO [stderr]    --> src/lib.rs:477:13
Dec 06 18:09:45.369 INFO [stderr]     |
Dec 06 18:09:45.369 INFO [stderr] 477 | /             return match self.children[next_cluster].search(offset) {
Dec 06 18:09:45.369 INFO [stderr] 478 | |                 Some(n) => {
Dec 06 18:09:45.369 INFO [stderr] 479 | |                     return Some(n + next_cluster*self.children.len());
Dec 06 18:09:45.369 INFO [stderr] 480 | |                 },
Dec 06 18:09:45.369 INFO [stderr] ...   |
Dec 06 18:09:45.369 INFO [stderr] 483 | |                 }
Dec 06 18:09:45.369 INFO [stderr] 484 | |             };
Dec 06 18:09:45.369 INFO [stderr]     | |_____________^
Dec 06 18:09:45.369 INFO [stderr] 
Dec 06 18:09:45.371 INFO [stderr] warning: unused variable: `index`
Dec 06 18:09:45.371 INFO [stderr]   --> src/lib.rs:59:17
Dec 06 18:09:45.371 INFO [stderr]    |
Dec 06 18:09:45.372 INFO [stderr] 59 |             for index in 0..self_size {
Dec 06 18:09:45.372 INFO [stderr]    |                 ^^^^^ help: consider using `_index` instead
Dec 06 18:09:45.372 INFO [stderr]    |
Dec 06 18:09:45.372 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 06 18:09:45.372 INFO [stderr] 
Dec 06 18:09:45.372 INFO [stderr] warning: unused variable: `min_value`
Dec 06 18:09:45.373 INFO [stderr]    --> src/lib.rs:179:22
Dec 06 18:09:45.373 INFO [stderr]     |
Dec 06 18:09:45.373 INFO [stderr] 179 |                 Some(min_value) => (),
Dec 06 18:09:45.373 INFO [stderr]     |                      ^^^^^^^^^ help: consider using `_min_value` instead
Dec 06 18:09:45.373 INFO [stderr] 
Dec 06 18:09:45.373 INFO [stderr] warning: unused variable: `min_val`
Dec 06 18:09:45.379 INFO [stderr]    --> src/lib.rs:384:17
Dec 06 18:09:45.379 INFO [stderr]     |
Dec 06 18:09:45.379 INFO [stderr] 384 |             let min_val = self.min?;
Dec 06 18:09:45.379 INFO [stderr]     |                 ^^^^^^^ help: consider using `_min_val` instead
Dec 06 18:09:45.379 INFO [stderr] 
Dec 06 18:09:45.380 INFO [stderr] warning: variable does not need to be mutable
Dec 06 18:09:45.380 INFO [stderr]   --> src/lib.rs:62:17
Dec 06 18:09:45.380 INFO [stderr]    |
Dec 06 18:09:45.380 INFO [stderr] 62 |             let mut aux = Self::new(pass_size);
Dec 06 18:09:45.380 INFO [stderr]    |                 ----^^^
Dec 06 18:09:45.380 INFO [stderr]    |                 |
Dec 06 18:09:45.380 INFO [stderr]    |                 help: remove this `mut`
Dec 06 18:09:45.380 INFO [stderr]    |
Dec 06 18:09:45.380 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 06 18:09:45.380 INFO [stderr] 
Dec 06 18:09:45.380 INFO [stderr] warning: variable does not need to be mutable
Dec 06 18:09:45.380 INFO [stderr]   --> src/lib.rs:65:13
Dec 06 18:09:45.380 INFO [stderr]    |
Dec 06 18:09:45.380 INFO [stderr] 65 |         let mut tree = VEBTree {
Dec 06 18:09:45.380 INFO [stderr]    |             ----^^^^
Dec 06 18:09:45.380 INFO [stderr]    |             |
Dec 06 18:09:45.380 INFO [stderr]    |             help: remove this `mut`
Dec 06 18:09:45.380 INFO [stderr] 
Dec 06 18:09:45.725 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
Dec 06 18:09:45.725 INFO [stderr] su: No module specific data is present
Dec 06 18:09:46.487 INFO running `"docker" "inspect" "c858f9d5971011ec6348715aecd1cd527ba1d547498679d3c668dab9a2b45fcb"`
Dec 06 18:09:46.710 INFO running `"docker" "rm" "-f" "c858f9d5971011ec6348715aecd1cd527ba1d547498679d3c668dab9a2b45fcb"`
Dec 06 18:09:46.932 INFO [stdout] c858f9d5971011ec6348715aecd1cd527ba1d547498679d3c668dab9a2b45fcb
Dec 06 18:09:46.934 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 06 18:09:47.312 INFO [stdout] 0351df9c419236be0284a558ae3658b9f969d97170a647f54dc590687f6d444b
Dec 06 18:09:47.314 INFO running `"docker" "start" "-a" "0351df9c419236be0284a558ae3658b9f969d97170a647f54dc590687f6d444b"`
Dec 06 18:09:48.310 INFO [stderr] usermod: no changes
Dec 06 18:09:48.388 INFO [stderr]    Compiling vebtrees v0.1.3 (/source)
Dec 06 18:09:48.797 INFO [stderr] warning: unused imports: `Duration`, `Instant`
Dec 06 18:09:48.797 INFO [stderr]  --> src/tests.rs:3:17
Dec 06 18:09:48.797 INFO [stderr]   |
Dec 06 18:09:48.797 INFO [stderr] 3 | use std::time::{Instant, Duration};
Dec 06 18:09:48.797 INFO [stderr]   |                 ^^^^^^^  ^^^^^^^^
Dec 06 18:09:48.797 INFO [stderr]   |
Dec 06 18:09:48.797 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 06 18:09:48.797 INFO [stderr] 
Dec 06 18:09:48.797 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 06 18:09:48.797 INFO [stderr]  --> src/test_asymptotes.rs:9:14
Dec 06 18:09:48.797 INFO [stderr]   |
Dec 06 18:09:48.797 INFO [stderr] 9 |     for i in (0..num_runs) {
Dec 06 18:09:48.797 INFO [stderr]   |              ^^^^^^^^^^^^^ help: remove these parentheses
Dec 06 18:09:48.797 INFO [stderr]   |
Dec 06 18:09:48.797 INFO [stderr]   = note: #[warn(unused_parens)] on by default
Dec 06 18:09:48.797 INFO [stderr] 
Dec 06 18:09:48.797 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 06 18:09:48.797 INFO [stderr]   --> src/test_asymptotes.rs:39:14
Dec 06 18:09:48.797 INFO [stderr]    |
Dec 06 18:09:48.797 INFO [stderr] 39 |     for i in (0..num_runs) {
Dec 06 18:09:48.797 INFO [stderr]    |              ^^^^^^^^^^^^^ help: remove these parentheses
Dec 06 18:09:48.797 INFO [stderr] 
Dec 06 18:09:48.797 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 06 18:09:48.797 INFO [stderr]   --> src/test_asymptotes.rs:74:14
Dec 06 18:09:48.797 INFO [stderr]    |
Dec 06 18:09:48.797 INFO [stderr] 74 |     for i in (0..num_runs) {
Dec 06 18:09:48.797 INFO [stderr]    |              ^^^^^^^^^^^^^ help: remove these parentheses
Dec 06 18:09:48.797 INFO [stderr] 
Dec 06 18:09:48.797 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 06 18:09:48.797 INFO [stderr]    --> src/test_asymptotes.rs:108:14
Dec 06 18:09:48.797 INFO [stderr]     |
Dec 06 18:09:48.797 INFO [stderr] 108 |     for i in (0..num_runs) {
Dec 06 18:09:48.797 INFO [stderr]     |              ^^^^^^^^^^^^^ help: remove these parentheses
Dec 06 18:09:48.797 INFO [stderr] 
Dec 06 18:09:48.797 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 06 18:09:48.797 INFO [stderr]    --> src/lib.rs:285:61
Dec 06 18:09:48.797 INFO [stderr]     |
Dec 06 18:09:48.797 INFO [stderr] 285 |                                               self.min = Some((first_cluster
Dec 06 18:09:48.797 INFO [stderr]     |  _____________________________________________________________^
Dec 06 18:09:48.797 INFO [stderr] 286 | |                                                             * self.children.len() as T
Dec 06 18:09:48.797 INFO [stderr] 287 | |                                                              + min));
Dec 06 18:09:48.797 INFO [stderr]     | |___________________________________________________________________^
Dec 06 18:09:48.797 INFO [stderr] help: remove these parentheses
Dec 06 18:09:48.797 INFO [stderr]     |
Dec 06 18:09:48.797 INFO [stderr] 285 |                                             self.min = Some(first_cluster
Dec 06 18:09:48.797 INFO [stderr] 286 |                                                             * self.children.len() as T
Dec 06 18:09:48.797 INFO [stderr] 287 |                                                              + min);
Dec 06 18:09:48.797 INFO [stderr]     |
Dec 06 18:09:48.797 INFO [stderr] 
Dec 06 18:09:48.797 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 06 18:09:48.797 INFO [stderr]    --> src/lib.rs:312:61
Dec 06 18:09:48.797 INFO [stderr]     |
Dec 06 18:09:48.797 INFO [stderr] 312 |                                               self.max = Some((last_cluster
Dec 06 18:09:48.797 INFO [stderr]     |  _____________________________________________________________^
Dec 06 18:09:48.797 INFO [stderr] 313 | |                                                              * self.children.len() as T
Dec 06 18:09:48.797 INFO [stderr] 314 | |                                                              + max));
Dec 06 18:09:48.797 INFO [stderr]     | |___________________________________________________________________^
Dec 06 18:09:48.797 INFO [stderr] help: remove these parentheses
Dec 06 18:09:48.797 INFO [stderr]     |
Dec 06 18:09:48.797 INFO [stderr] 312 |                                             self.max = Some(last_cluster
Dec 06 18:09:48.797 INFO [stderr] 313 |                                                              * self.children.len() as T
Dec 06 18:09:48.797 INFO [stderr] 314 |                                                              + max);
Dec 06 18:09:48.797 INFO [stderr]     |
Dec 06 18:09:48.797 INFO [stderr] 
Dec 06 18:09:48.884 INFO [stderr] warning: unreachable expression
Dec 06 18:09:48.884 INFO [stderr]    --> src/lib.rs:406:25
Dec 06 18:09:48.884 INFO [stderr]     |
Dec 06 18:09:48.884 INFO [stderr] 406 | /                         return match self.children[self.high(value)].search(offset) {
Dec 06 18:09:48.884 INFO [stderr] 407 | |                             Some(n) => {
Dec 06 18:09:48.884 INFO [stderr] 408 | |                                 return Some(n + self.high(value)*self.children.len());
Dec 06 18:09:48.884 INFO [stderr] 409 | |                             },
Dec 06 18:09:48.884 INFO [stderr] ...   |
Dec 06 18:09:48.884 INFO [stderr] 412 | |                             }
Dec 06 18:09:48.884 INFO [stderr] 413 | |                         };
Dec 06 18:09:48.884 INFO [stderr]     | |_________________________^
Dec 06 18:09:48.884 INFO [stderr]     |
Dec 06 18:09:48.884 INFO [stderr]     = note: #[warn(unreachable_code)] on by default
Dec 06 18:09:48.884 INFO [stderr] 
Dec 06 18:09:48.884 INFO [stderr] warning: unreachable expression
Dec 06 18:09:48.884 INFO [stderr]    --> src/lib.rs:420:13
Dec 06 18:09:48.884 INFO [stderr]     |
Dec 06 18:09:48.884 INFO [stderr] 420 | /             return match self.children[next_cluster].search(offset) {
Dec 06 18:09:48.884 INFO [stderr] 421 | |                 Some(n) => {
Dec 06 18:09:48.884 INFO [stderr] 422 | |                     return Some(n + next_cluster*self.children.len());
Dec 06 18:09:48.884 INFO [stderr] 423 | |                 },
Dec 06 18:09:48.884 INFO [stderr] ...   |
Dec 06 18:09:48.885 INFO [stderr] 426 | |                 }
Dec 06 18:09:48.885 INFO [stderr] 427 | |             };
Dec 06 18:09:48.885 INFO [stderr]     | |_____________^
Dec 06 18:09:48.885 INFO [stderr] 
Dec 06 18:09:48.885 INFO [stderr] warning: unreachable expression
Dec 06 18:09:48.885 INFO [stderr]    --> src/lib.rs:463:25
Dec 06 18:09:48.885 INFO [stderr]     |
Dec 06 18:09:48.885 INFO [stderr] 463 | /                         return match self.children[self.high(value)].search(offset) {
Dec 06 18:09:48.885 INFO [stderr] 464 | |                             Some(n) => {
Dec 06 18:09:48.885 INFO [stderr] 465 | |                                 return Some(n + self.high(value)*self.children.len());
Dec 06 18:09:48.885 INFO [stderr] 466 | |                             },
Dec 06 18:09:48.885 INFO [stderr] ...   |
Dec 06 18:09:48.885 INFO [stderr] 469 | |                             }
Dec 06 18:09:48.885 INFO [stderr] 470 | |                         };
Dec 06 18:09:48.885 INFO [stderr]     | |_________________________^
Dec 06 18:09:48.885 INFO [stderr] 
Dec 06 18:09:48.885 INFO [stderr] warning: unreachable expression
Dec 06 18:09:48.885 INFO [stderr]    --> src/lib.rs:477:13
Dec 06 18:09:48.885 INFO [stderr]     |
Dec 06 18:09:48.885 INFO [stderr] 477 | /             return match self.children[next_cluster].search(offset) {
Dec 06 18:09:48.885 INFO [stderr] 478 | |                 Some(n) => {
Dec 06 18:09:48.885 INFO [stderr] 479 | |                     return Some(n + next_cluster*self.children.len());
Dec 06 18:09:48.885 INFO [stderr] 480 | |                 },
Dec 06 18:09:48.885 INFO [stderr] ...   |
Dec 06 18:09:48.885 INFO [stderr] 483 | |                 }
Dec 06 18:09:48.885 INFO [stderr] 484 | |             };
Dec 06 18:09:48.885 INFO [stderr]     | |_____________^
Dec 06 18:09:48.885 INFO [stderr] 
Dec 06 18:09:48.968 INFO [stderr] warning: unused variable: `index`
Dec 06 18:09:48.968 INFO [stderr]   --> src/lib.rs:59:17
Dec 06 18:09:48.968 INFO [stderr]    |
Dec 06 18:09:48.968 INFO [stderr] 59 |             for index in 0..self_size {
Dec 06 18:09:48.968 INFO [stderr]    |                 ^^^^^ help: consider using `_index` instead
Dec 06 18:09:48.968 INFO [stderr]    |
Dec 06 18:09:48.969 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 06 18:09:48.969 INFO [stderr] 
Dec 06 18:09:48.969 INFO [stderr] warning: unused variable: `min_value`
Dec 06 18:09:48.969 INFO [stderr]    --> src/lib.rs:179:22
Dec 06 18:09:48.969 INFO [stderr]     |
Dec 06 18:09:48.969 INFO [stderr] 179 |                 Some(min_value) => (),
Dec 06 18:09:48.969 INFO [stderr]     |                      ^^^^^^^^^ help: consider using `_min_value` instead
Dec 06 18:09:48.969 INFO [stderr] 
Dec 06 18:09:48.969 INFO [stderr] warning: unused variable: `min_val`
Dec 06 18:09:48.969 INFO [stderr]    --> src/lib.rs:384:17
Dec 06 18:09:48.969 INFO [stderr]     |
Dec 06 18:09:48.969 INFO [stderr] 384 |             let min_val = self.min?;
Dec 06 18:09:48.969 INFO [stderr]     |                 ^^^^^^^ help: consider using `_min_val` instead
Dec 06 18:09:48.969 INFO [stderr] 
Dec 06 18:09:48.973 INFO [stderr] warning: variable does not need to be mutable
Dec 06 18:09:48.973 INFO [stderr]   --> src/lib.rs:62:17
Dec 06 18:09:48.973 INFO [stderr]    |
Dec 06 18:09:48.973 INFO [stderr] 62 |             let mut aux = Self::new(pass_size);
Dec 06 18:09:48.973 INFO [stderr]    |                 ----^^^
Dec 06 18:09:48.973 INFO [stderr]    |                 |
Dec 06 18:09:48.973 INFO [stderr]    |                 help: remove this `mut`
Dec 06 18:09:48.973 INFO [stderr]    |
Dec 06 18:09:48.973 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 06 18:09:48.973 INFO [stderr] 
Dec 06 18:09:48.973 INFO [stderr] warning: variable does not need to be mutable
Dec 06 18:09:48.973 INFO [stderr]   --> src/lib.rs:65:13
Dec 06 18:09:48.973 INFO [stderr]    |
Dec 06 18:09:48.973 INFO [stderr] 65 |         let mut tree = VEBTree {
Dec 06 18:09:48.973 INFO [stderr]    |             ----^^^^
Dec 06 18:09:48.973 INFO [stderr]    |             |
Dec 06 18:09:48.973 INFO [stderr]    |             help: remove this `mut`
Dec 06 18:09:48.973 INFO [stderr] 
Dec 06 18:09:48.993 INFO [stderr] warning: variable does not need to be mutable
Dec 06 18:09:48.993 INFO [stderr]   --> src/tests.rs:40:9
Dec 06 18:09:48.993 INFO [stderr]    |
Dec 06 18:09:48.993 INFO [stderr] 40 |     let mut reference_tree = VEBTree::new(16);
Dec 06 18:09:48.993 INFO [stderr]    |         ----^^^^^^^^^^^^^^
Dec 06 18:09:48.993 INFO [stderr]    |         |
Dec 06 18:09:48.993 INFO [stderr]    |         help: remove this `mut`
Dec 06 18:09:48.993 INFO [stderr] 
Dec 06 18:09:49.703 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.35s
Dec 06 18:09:49.710 INFO [stderr] su: No module specific data is present
Dec 06 18:09:50.232 INFO running `"docker" "inspect" "0351df9c419236be0284a558ae3658b9f969d97170a647f54dc590687f6d444b"`
Dec 06 18:09:50.492 INFO running `"docker" "rm" "-f" "0351df9c419236be0284a558ae3658b9f969d97170a647f54dc590687f6d444b"`
Dec 06 18:09:50.739 INFO [stdout] 0351df9c419236be0284a558ae3658b9f969d97170a647f54dc590687f6d444b
Dec 06 18:09:50.739 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 06 18:09:51.104 INFO [stdout] 223cf63790bd2201559b2a0bb5130a2baf01fa65df435fae14260510280f06de
Dec 06 18:09:51.104 INFO running `"docker" "start" "-a" "223cf63790bd2201559b2a0bb5130a2baf01fa65df435fae14260510280f06de"`
Dec 06 18:09:52.066 INFO [stderr] usermod: no changes
Dec 06 18:09:52.116 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Dec 06 18:09:52.120 INFO [stderr]      Running /target/debug/deps/vebtrees-833896deaf8d31f8
Dec 06 18:09:52.124 INFO [stdout] 
Dec 06 18:09:52.124 INFO [stdout] running 12 tests
Dec 06 18:09:52.124 INFO [stdout] test tests::test_findnext_correctness ... ok
Dec 06 18:09:52.124 INFO [stdout] test tests::test_contains_correctness ... ok
Dec 06 18:09:52.128 INFO [stdout] test tests::test_findprev_correctness ... ok
Dec 06 18:09:52.128 INFO [stdout] test tests::test_insert_and_delete_correctness ... ok
Dec 06 18:09:52.148 INFO [stdout] test tests::test_minimum_correctness ... ok
Dec 06 18:09:52.148 INFO [stdout] test tests::test_search_correctness ... ok
Dec 06 18:09:52.148 INFO [stdout] test tests::test_insert_and_delete_correctness_odd ... ok
Dec 06 18:09:52.148 INFO [stdout] test tests::test_maximum_correctness ... ok
Dec 06 18:09:52.958 INFO [stdout] test test_asymptotes::test_insert_asymptote ... ok
Dec 06 18:09:53.028 INFO [stdout] test test_asymptotes::test_findprev_asymptote ... ok
Dec 06 18:09:53.169 INFO [stdout] test test_asymptotes::test_findnext_asymptote ... ok
Dec 06 18:09:53.247 INFO [stdout] test test_asymptotes::test_delete_asymptote ... ok
Dec 06 18:09:53.247 INFO [stdout] 
Dec 06 18:09:53.247 INFO [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 18:09:53.247 INFO [stdout] 
Dec 06 18:09:53.252 INFO [stderr]    Doc-tests vebtrees
Dec 06 18:09:53.916 INFO [stdout] 
Dec 06 18:09:53.916 INFO [stdout] running 0 tests
Dec 06 18:09:53.916 INFO [stdout] 
Dec 06 18:09:53.916 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 18:09:53.916 INFO [stdout] 
Dec 06 18:09:53.922 INFO [stderr] su: No module specific data is present
Dec 06 18:09:54.774 INFO running `"docker" "inspect" "223cf63790bd2201559b2a0bb5130a2baf01fa65df435fae14260510280f06de"`
Dec 06 18:09:55.014 INFO running `"docker" "rm" "-f" "223cf63790bd2201559b2a0bb5130a2baf01fa65df435fae14260510280f06de"`
Dec 06 18:09:55.336 INFO [stdout] 223cf63790bd2201559b2a0bb5130a2baf01fa65df435fae14260510280f06de