[INFO] fetching crate treez 1.6.0...
[INFO] testing treez-1.6.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate treez 1.6.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate treez 1.6.0
[INFO] finished tweaking crates.io crate treez 1.6.0
[INFO] tweaked toml for crates.io crate treez 1.6.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate treez 1.6.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 123 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.3.6 (available: v0.7.0)
[INFO] [stderr]       Adding crossbeam v0.4.1 (available: v0.8.4)
[INFO] [stderr]       Adding mazth v0.0.0 (available: v0.6.0)
[INFO] [stderr]       Adding num v0.1.43 (available: v0.4.3)
[INFO] [stderr]       Adding rand v0.7.3 (available: v0.9.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] be16e4a6c4fe57511b3e50fb1924db2911b8c643850bd4c52332d032a43f183e
[INFO] running `Command { std: "docker" "start" "-a" "be16e4a6c4fe57511b3e50fb1924db2911b8c643850bd4c52332d032a43f183e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be16e4a6c4fe57511b3e50fb1924db2911b8c643850bd4c52332d032a43f183e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be16e4a6c4fe57511b3e50fb1924db2911b8c643850bd4c52332d032a43f183e", kill_on_drop: false }`
[INFO] [stdout] be16e4a6c4fe57511b3e50fb1924db2911b8c643850bd4c52332d032a43f183e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9797e9ad514f8bdbad97219c79405cbce039be0f66520637d058f5a64aa5232d
[INFO] running `Command { std: "docker" "start" "-a" "9797e9ad514f8bdbad97219c79405cbce039be0f66520637d058f5a64aa5232d", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling num-bigint v0.1.45
[INFO] [stderr]    Compiling rustc-serialize v0.3.25
[INFO] [stderr]    Compiling crossbeam-utils v0.5.0
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling owning_ref v0.4.1
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling num-complex v0.1.44
[INFO] [stderr]    Compiling num-rational v0.1.43
[INFO] [stderr]    Compiling iana-time-zone v0.1.64
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling lock_api v0.1.5
[INFO] [stderr]    Compiling chrono v0.4.42
[INFO] [stderr]    Compiling mazth v0.0.0
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling crossbeam-epoch v0.6.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.5.2
[INFO] [stderr]    Compiling crossbeam-deque v0.5.2
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling parking_lot v0.6.4
[INFO] [stderr]    Compiling crossbeam-channel v0.2.6
[INFO] [stderr]    Compiling crossbeam v0.4.1
[INFO] [stderr]    Compiling num v0.1.43
[INFO] [stderr]    Compiling treez v1.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::HashSet`
[INFO] [stdout]  --> src/backtrack.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashSet;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RefMut`
[INFO] [stdout]  --> src/treap2.rs:5:26
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::cell::{RefCell, RefMut};
[INFO] [stdout]   |                          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Ordering` and `self`
[INFO] [stdout]  --> src/treap2.rs:6:16
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::cmp::{self, Ordering};
[INFO] [stdout]   |                ^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/treap2.rs:7:33
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::mem`
[INFO] [stdout]   --> src/treap2.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::mem;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DerefMut` and `Deref`
[INFO] [stdout]   --> src/treap2.rs:11:16
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::ops::{Deref, DerefMut};
[INFO] [stdout]    |                ^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::chrono::prelude::*`
[INFO] [stdout]   --> src/treap2.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use self::chrono::prelude::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/treap2.rs:681:25
[INFO] [stdout]     |
[INFO] [stdout] 681 |         let t_l = match (l) {
[INFO] [stdout]     |                         ^ ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 681 -         let t_l = match (l) {
[INFO] [stdout] 681 +         let t_l = match l {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/treap2.rs:690:25
[INFO] [stdout]     |
[INFO] [stdout] 690 |         let t_r = match (r) {
[INFO] [stdout]     |                         ^ ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 690 -         let t_r = match (r) {
[INFO] [stdout] 690 +         let t_r = match r {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/segmax.rs:80:30
[INFO] [stdout]    |
[INFO] [stdout] 80 |             Some(Change::Abs(v)) => self.s.clone(),
[INFO] [stdout]    |                              ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/rb.rs:145:17
[INFO] [stdout]     |
[INFO] [stdout] 145 |             let mut leaf_dummy = Node {
[INFO] [stdout]     |                 ----^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `count`
[INFO] [stdout]   --> src/dsu.rs:25:34
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn insert_new(&mut self, count: usize) -> usize {
[INFO] [stdout]    |                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_count`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0170]: pattern binding `Empty` is named the same as one of the variants of the type `treap::SearchResult`
[INFO] [stdout]    --> src/treap2.rs:265:13
[INFO] [stdout]     |
[INFO] [stdout] 265 |             Empty => {
[INFO] [stdout]     |             ^^^^^ help: to match on the variant, qualify the path: `treap::SearchResult::Empty`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bindings_with_variant_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `root`
[INFO] [stdout]    --> src/treap2.rs:236:21
[INFO] [stdout]     |
[INFO] [stdout] 236 |                 let root = x.fixup_priority();
[INFO] [stdout]     |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_root`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `root2`
[INFO] [stdout]    --> src/treap2.rs:239:21
[INFO] [stdout]     |
[INFO] [stdout] 239 |                 let root2 = x.fixdown_priority();
[INFO] [stdout]     |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_root2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `root`
[INFO] [stdout]    --> src/treap2.rs:261:21
[INFO] [stdout]     |
[INFO] [stdout] 261 |                 let root = child.as_ref().unwrap().fixup_priority();
[INFO] [stdout]     |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_root`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `Empty`
[INFO] [stdout]    --> src/treap2.rs:265:13
[INFO] [stdout]     |
[INFO] [stdout] 265 |             Empty => {
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]     |
[INFO] [stdout] 265 |             _Empty => {
[INFO] [stdout]     |             +
[INFO] [stdout] help: you might have meant to pattern match on the similarly named variant `Empty`
[INFO] [stdout]     |
[INFO] [stdout] 265 |             treap::SearchResult::Empty => {
[INFO] [stdout]     |             +++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `count` is assigned to, but never used
[INFO] [stdout]    --> src/treap2.rs:439:17
[INFO] [stdout]     |
[INFO] [stdout] 439 |         let mut count = 0;
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_count` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/treap2.rs:438:13
[INFO] [stdout]     |
[INFO] [stdout] 438 |         let mut x = self.clone();
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new_root`
[INFO] [stdout]    --> src/treap2.rs:722:22
[INFO] [stdout]     |
[INFO] [stdout] 722 |                 Some(new_root) => n.remove(),
[INFO] [stdout]     |                      ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_root`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/treap2.rs:731:25
[INFO] [stdout]     |
[INFO] [stdout] 731 |     pub fn union(&self, mut other: Self) -> Self {
[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/treap2.rs:801:29
[INFO] [stdout]     |
[INFO] [stdout] 801 |     pub fn intersect(&self, mut other: Self) -> Self {
[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/treap2.rs:806:21
[INFO] [stdout]     |
[INFO] [stdout] 806 |         let (mut a, mut b) = if self.prio() < other.prio() {
[INFO] [stdout]     |                     ----^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `data`, `length`, and `auto_length` are never read
[INFO] [stdout]   --> src/queue_monotone.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct QueueMonotone<T>
[INFO] [stdout]    |            ------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 18 |     data: VecDeque<(T, usize)>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     length: usize,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     auto_length: Option<usize>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `push`, `pop`, `max`, `len`, and `set_auto_len` are never used
[INFO] [stdout]   --> src/queue_monotone.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | / impl<T> QueueMonotone<T>
[INFO] [stdout] 28 | | where
[INFO] [stdout] 29 | |     T: Ord + Clone,
[INFO] [stdout]    | |___________________- associated items in this implementation
[INFO] [stdout] 30 |   {
[INFO] [stdout] 31 |       fn new() -> QueueMonotone<T> {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |       fn push(&mut self, i: T) {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 |       fn pop(&mut self) {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 80 |       fn max(&self) -> Option<&T> {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 86 |       fn len(&self) -> usize {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 89 |       fn set_auto_len(&mut self, l: usize) {
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Empty` should have a snake case name
[INFO] [stdout]    --> src/treap2.rs:265:13
[INFO] [stdout]     |
[INFO] [stdout] 265 |             Empty => {
[INFO] [stdout]     |             ^^^^^ help: convert the identifier to snake case: `empty`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0170`.
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.54s
[INFO] running `Command { std: "docker" "inspect" "9797e9ad514f8bdbad97219c79405cbce039be0f66520637d058f5a64aa5232d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9797e9ad514f8bdbad97219c79405cbce039be0f66520637d058f5a64aa5232d", kill_on_drop: false }`
[INFO] [stdout] 9797e9ad514f8bdbad97219c79405cbce039be0f66520637d058f5a64aa5232d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 125b4b106dc4e012d197947e5c7659fdfdccb8bf156c4d2bbecf8d41a75b643c
[INFO] running `Command { std: "docker" "start" "-a" "125b4b106dc4e012d197947e5c7659fdfdccb8bf156c4d2bbecf8d41a75b643c", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling unicode-width v0.1.14
[INFO] [stderr]    Compiling plotters-backend v0.3.7
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling csv-core v0.1.12
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling oorandom v11.1.5
[INFO] [stdout] warning: unused import: `std::collections::HashSet`
[INFO] [stdout]  --> src/backtrack.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashSet;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RefMut`
[INFO] [stdout]  --> src/treap2.rs:5:26
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::cell::{RefCell, RefMut};
[INFO] [stdout]   |                          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Ordering` and `self`
[INFO] [stdout]  --> src/treap2.rs:6:16
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::cmp::{self, Ordering};
[INFO] [stdout]   |                ^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/treap2.rs:7:33
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::mem`
[INFO] [stdout]   --> src/treap2.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::mem;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DerefMut` and `Deref`
[INFO] [stdout]   --> src/treap2.rs:11:16
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::ops::{Deref, DerefMut};
[INFO] [stdout]    |                ^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::chrono::prelude::*`
[INFO] [stdout]   --> src/treap2.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use self::chrono::prelude::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/treap2.rs:681:25
[INFO] [stdout]     |
[INFO] [stdout] 681 |         let t_l = match (l) {
[INFO] [stdout]     |                         ^ ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 681 -         let t_l = match (l) {
[INFO] [stdout] 681 +         let t_l = match l {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/treap2.rs:690:25
[INFO] [stdout]     |
[INFO] [stdout] 690 |         let t_r = match (r) {
[INFO] [stdout]     |                         ^ ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 690 -         let t_r = match (r) {
[INFO] [stdout] 690 +         let t_r = match r {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/segmax.rs:80:30
[INFO] [stdout]    |
[INFO] [stdout] 80 |             Some(Change::Abs(v)) => self.s.clone(),
[INFO] [stdout]    |                              ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/rb.rs:145:17
[INFO] [stdout]     |
[INFO] [stdout] 145 |             let mut leaf_dummy = Node {
[INFO] [stdout]     |                 ----^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `count`
[INFO] [stdout]   --> src/dsu.rs:25:34
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn insert_new(&mut self, count: usize) -> usize {
[INFO] [stdout]    |                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_count`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0170]: pattern binding `Empty` is named the same as one of the variants of the type `treap::SearchResult`
[INFO] [stdout]    --> src/treap2.rs:265:13
[INFO] [stdout]     |
[INFO] [stdout] 265 |             Empty => {
[INFO] [stdout]     |             ^^^^^ help: to match on the variant, qualify the path: `treap::SearchResult::Empty`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bindings_with_variant_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `root`
[INFO] [stdout]    --> src/treap2.rs:236:21
[INFO] [stdout]     |
[INFO] [stdout] 236 |                 let root = x.fixup_priority();
[INFO] [stdout]     |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_root`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `root2`
[INFO] [stdout]    --> src/treap2.rs:239:21
[INFO] [stdout]     |
[INFO] [stdout] 239 |                 let root2 = x.fixdown_priority();
[INFO] [stdout]     |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_root2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `root`
[INFO] [stdout]    --> src/treap2.rs:261:21
[INFO] [stdout]     |
[INFO] [stdout] 261 |                 let root = child.as_ref().unwrap().fixup_priority();
[INFO] [stdout]     |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_root`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `Empty`
[INFO] [stdout]    --> src/treap2.rs:265:13
[INFO] [stdout]     |
[INFO] [stdout] 265 |             Empty => {
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]     |
[INFO] [stdout] 265 |             _Empty => {
[INFO] [stdout]     |             +
[INFO] [stdout] help: you might have meant to pattern match on the similarly named variant `Empty`
[INFO] [stdout]     |
[INFO] [stdout] 265 |             treap::SearchResult::Empty => {
[INFO] [stdout]     |             +++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `count` is assigned to, but never used
[INFO] [stdout]    --> src/treap2.rs:439:17
[INFO] [stdout]     |
[INFO] [stdout] 439 |         let mut count = 0;
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_count` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/treap2.rs:438:13
[INFO] [stdout]     |
[INFO] [stdout] 438 |         let mut x = self.clone();
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new_root`
[INFO] [stdout]    --> src/treap2.rs:722:22
[INFO] [stdout]     |
[INFO] [stdout] 722 |                 Some(new_root) => n.remove(),
[INFO] [stdout]     |                      ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_root`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/treap2.rs:731:25
[INFO] [stdout]     |
[INFO] [stdout] 731 |     pub fn union(&self, mut other: Self) -> Self {
[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/treap2.rs:801:29
[INFO] [stdout]     |
[INFO] [stdout] 801 |     pub fn intersect(&self, mut other: Self) -> Self {
[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/treap2.rs:806:21
[INFO] [stdout]     |
[INFO] [stdout] 806 |         let (mut a, mut b) = if self.prio() < other.prio() {
[INFO] [stdout]     |                     ----^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `data`, `length`, and `auto_length` are never read
[INFO] [stdout]   --> src/queue_monotone.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct QueueMonotone<T>
[INFO] [stdout]    |            ------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 18 |     data: VecDeque<(T, usize)>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     length: usize,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     auto_length: Option<usize>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `push`, `pop`, `max`, `len`, and `set_auto_len` are never used
[INFO] [stdout]   --> src/queue_monotone.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | / impl<T> QueueMonotone<T>
[INFO] [stdout] 28 | | where
[INFO] [stdout] 29 | |     T: Ord + Clone,
[INFO] [stdout]    | |___________________- associated items in this implementation
[INFO] [stdout] 30 |   {
[INFO] [stdout] 31 |       fn new() -> QueueMonotone<T> {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |       fn push(&mut self, i: T) {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 |       fn pop(&mut self) {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 80 |       fn max(&self) -> Option<&T> {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 86 |       fn len(&self) -> usize {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 89 |       fn set_auto_len(&mut self, l: usize) {
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Empty` should have a snake case name
[INFO] [stdout]    --> src/treap2.rs:265:13
[INFO] [stdout]     |
[INFO] [stdout] 265 |             Empty => {
[INFO] [stdout]     |             ^^^^^ help: convert the identifier to snake case: `empty`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0170`.
[INFO] [stdout] 
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling csv v1.3.1
[INFO] [stderr]    Compiling plotters-svg v0.3.7
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling criterion-plot v0.4.5
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling regex v1.11.3
[INFO] [stderr]    Compiling criterion v0.3.6
[INFO] [stderr]    Compiling treez v1.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self::chrono::prelude::*`
[INFO] [stdout]    --> src/rb.rs:931:5
[INFO] [stdout]     |
[INFO] [stdout] 931 | use self::chrono::prelude::*;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::BTreeMap`
[INFO] [stdout]    --> src/rb.rs:937:5
[INFO] [stdout]     |
[INFO] [stdout] 937 | use std::collections::BTreeMap;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RefMut`
[INFO] [stdout]  --> src/treap2.rs:5:26
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::cell::{RefCell, RefMut};
[INFO] [stdout]   |                          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/treap2.rs:6:16
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::cmp::{self, Ordering};
[INFO] [stdout]   |                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/treap2.rs:7:33
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::mem`
[INFO] [stdout]   --> src/treap2.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::mem;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DerefMut` and `Deref`
[INFO] [stdout]   --> src/treap2.rs:11:16
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::ops::{Deref, DerefMut};
[INFO] [stdout]    |                ^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/treap2.rs:681:25
[INFO] [stdout]     |
[INFO] [stdout] 681 |         let t_l = match (l) {
[INFO] [stdout]     |                         ^ ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 681 -         let t_l = match (l) {
[INFO] [stdout] 681 +         let t_l = match l {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/treap2.rs:690:25
[INFO] [stdout]     |
[INFO] [stdout] 690 |         let t_r = match (r) {
[INFO] [stdout]     |                         ^ ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 690 -         let t_r = match (r) {
[INFO] [stdout] 690 +         let t_r = match r {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]     --> src/treap2.rs:1883:50
[INFO] [stdout]      |
[INFO] [stdout] 1883 |             .for_each(|(a, b)| assert!(equal_f32((*a as f32), *b)));
[INFO] [stdout]      |                                                  ^         ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1883 -             .for_each(|(a, b)| assert!(equal_f32((*a as f32), *b)));
[INFO] [stdout] 1883 +             .for_each(|(a, b)| assert!(equal_f32(*a as f32, *b)));
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]     --> src/treap2.rs:1904:50
[INFO] [stdout]      |
[INFO] [stdout] 1904 |             .for_each(|(a, b)| assert!(equal_f32((*a as f32), *b)));
[INFO] [stdout]      |                                                  ^         ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1904 -             .for_each(|(a, b)| assert!(equal_f32((*a as f32), *b)));
[INFO] [stdout] 1904 +             .for_each(|(a, b)| assert!(equal_f32(*a as f32, *b)));
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]     --> src/treap2.rs:1950:50
[INFO] [stdout]      |
[INFO] [stdout] 1950 |             .for_each(|(a, b)| assert!(equal_f32((*a as f32), *b)));
[INFO] [stdout]      |                                                  ^         ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1950 -             .for_each(|(a, b)| assert!(equal_f32((*a as f32), *b)));
[INFO] [stdout] 1950 +             .for_each(|(a, b)| assert!(equal_f32(*a as f32, *b)));
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]     --> src/treap2.rs:1972:50
[INFO] [stdout]      |
[INFO] [stdout] 1972 |             .for_each(|(a, b)| assert!(equal_f32((*a as f32), *b)));
[INFO] [stdout]      |                                                  ^         ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1972 -             .for_each(|(a, b)| assert!(equal_f32((*a as f32), *b)));
[INFO] [stdout] 1972 +             .for_each(|(a, b)| assert!(equal_f32(*a as f32, *b)));
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]     --> src/treap2.rs:2018:50
[INFO] [stdout]      |
[INFO] [stdout] 2018 |             .for_each(|(a, b)| assert!(equal_f32((*a as f32), *b)));
[INFO] [stdout]      |                                                  ^         ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 2018 -             .for_each(|(a, b)| assert!(equal_f32((*a as f32), *b)));
[INFO] [stdout] 2018 +             .for_each(|(a, b)| assert!(equal_f32(*a as f32, *b)));
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]     --> src/treap2.rs:2040:50
[INFO] [stdout]      |
[INFO] [stdout] 2040 |             .for_each(|(a, b)| assert!(equal_f32((*a as f32), *b)));
[INFO] [stdout]      |                                                  ^         ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 2040 -             .for_each(|(a, b)| assert!(equal_f32((*a as f32), *b)));
[INFO] [stdout] 2040 +             .for_each(|(a, b)| assert!(equal_f32(*a as f32, *b)));
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]     --> src/treap2.rs:2060:50
[INFO] [stdout]      |
[INFO] [stdout] 2060 |             .for_each(|(a, b)| assert!(equal_f32((*a as f32), *b)));
[INFO] [stdout]      |                                                  ^         ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 2060 -             .for_each(|(a, b)| assert!(equal_f32((*a as f32), *b)));
[INFO] [stdout] 2060 +             .for_each(|(a, b)| assert!(equal_f32(*a as f32, *b)));
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]     --> src/treap2.rs:2106:50
[INFO] [stdout]      |
[INFO] [stdout] 2106 |             .for_each(|(a, b)| assert!(equal_f32((*a as f32), *b)));
[INFO] [stdout]      |                                                  ^         ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 2106 -             .for_each(|(a, b)| assert!(equal_f32((*a as f32), *b)));
[INFO] [stdout] 2106 +             .for_each(|(a, b)| assert!(equal_f32(*a as f32, *b)));
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]     --> src/treap2.rs:2125:50
[INFO] [stdout]      |
[INFO] [stdout] 2125 |             .for_each(|(a, b)| assert!(equal_f32((*a as f32), *b)));
[INFO] [stdout]      |                                                  ^         ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 2125 -             .for_each(|(a, b)| assert!(equal_f32((*a as f32), *b)));
[INFO] [stdout] 2125 +             .for_each(|(a, b)| assert!(equal_f32(*a as f32, *b)));
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]     --> src/treap2.rs:2267:54
[INFO] [stdout]      |
[INFO] [stdout] 2267 |                 .for_each(|(a, b)| assert!(equal_f32((*a as f32), *b)));
[INFO] [stdout]      |                                                      ^         ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 2267 -                 .for_each(|(a, b)| assert!(equal_f32((*a as f32), *b)));
[INFO] [stdout] 2267 +                 .for_each(|(a, b)| assert!(equal_f32(*a as f32, *b)));
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]     --> src/treap2.rs:2296:54
[INFO] [stdout]      |
[INFO] [stdout] 2296 |                 .for_each(|(a, b)| assert!(equal_f32((*a as f32), *b)));
[INFO] [stdout]      |                                                      ^         ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 2296 -                 .for_each(|(a, b)| assert!(equal_f32((*a as f32), *b)));
[INFO] [stdout] 2296 +                 .for_each(|(a, b)| assert!(equal_f32(*a as f32, *b)));
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]     --> src/treap2.rs:2313:33
[INFO] [stdout]      |
[INFO] [stdout] 2313 |     let va = (0..count).map(|x| (x * 2)).collect::<Vec<i32>>();
[INFO] [stdout]      |                                 ^     ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 2313 -     let va = (0..count).map(|x| (x * 2)).collect::<Vec<i32>>();
[INFO] [stdout] 2313 +     let va = (0..count).map(|x| x * 2).collect::<Vec<i32>>();
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]     --> src/treap2.rs:2314:33
[INFO] [stdout]      |
[INFO] [stdout] 2314 |     let vb = (0..count).map(|x| (x * 2 + 1)).collect::<Vec<i32>>();
[INFO] [stdout]      |                                 ^         ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 2314 -     let vb = (0..count).map(|x| (x * 2 + 1)).collect::<Vec<i32>>();
[INFO] [stdout] 2314 +     let vb = (0..count).map(|x| x * 2 + 1).collect::<Vec<i32>>();
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]     --> src/treap2.rs:2464:33
[INFO] [stdout]      |
[INFO] [stdout] 2464 |     let va = (0..count).map(|x| (x)).collect::<Vec<i32>>();
[INFO] [stdout]      |                                 ^ ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 2464 -     let va = (0..count).map(|x| (x)).collect::<Vec<i32>>();
[INFO] [stdout] 2464 +     let va = (0..count).map(|x| x).collect::<Vec<i32>>();
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]     --> src/treap2.rs:2465:43
[INFO] [stdout]      |
[INFO] [stdout] 2465 |     let vb = (0..count / 2).rev().map(|x| (x)).collect::<Vec<i32>>();
[INFO] [stdout]      |                                           ^ ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 2465 -     let vb = (0..count / 2).rev().map(|x| (x)).collect::<Vec<i32>>();
[INFO] [stdout] 2465 +     let vb = (0..count / 2).rev().map(|x| x).collect::<Vec<i32>>();
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]     --> src/treap2.rs:2550:33
[INFO] [stdout]      |
[INFO] [stdout] 2550 |     let va = (0..count).map(|x| (x)).collect::<Vec<i32>>();
[INFO] [stdout]      |                                 ^ ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 2550 -     let va = (0..count).map(|x| (x)).collect::<Vec<i32>>();
[INFO] [stdout] 2550 +     let va = (0..count).map(|x| x).collect::<Vec<i32>>();
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `thread_rng`
[INFO] [stdout]   --> src/queue_monotone.rs:11:18
[INFO] [stdout]    |
[INFO] [stdout] 11 | use self::rand::{thread_rng, Rng};
[INFO] [stdout]    |                  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::rand::Rng`
[INFO] [stdout]    --> src/rb.rs:935:5
[INFO] [stdout]     |
[INFO] [stdout] 935 | use self::rand::Rng;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/segmax.rs:80:30
[INFO] [stdout]    |
[INFO] [stdout] 80 |             Some(Change::Abs(v)) => self.s.clone(),
[INFO] [stdout]    |                              ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/rb.rs:145:17
[INFO] [stdout]     |
[INFO] [stdout] 145 |             let mut leaf_dummy = Node {
[INFO] [stdout]     |                 ----^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `count`
[INFO] [stdout]   --> src/dsu.rs:25:34
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn insert_new(&mut self, count: usize) -> usize {
[INFO] [stdout]    |                                  ^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn insert_new(&mut self, _count: usize) -> usize {
[INFO] [stdout]    |                                  +
[INFO] [stdout] help: you might have meant to pattern match on the similarly named constant `window`
[INFO] [stdout]    |
[INFO] [stdout] 25 -     pub fn insert_new(&mut self, count: usize) -> usize {
[INFO] [stdout] 25 +     pub fn insert_new(&mut self, queue_monotone::test2::window: usize) -> usize {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0170]: pattern binding `Empty` is named the same as one of the variants of the type `treap::SearchResult`
[INFO] [stdout]    --> src/treap2.rs:265:13
[INFO] [stdout]     |
[INFO] [stdout] 265 |             Empty => {
[INFO] [stdout]     |             ^^^^^ help: to match on the variant, qualify the path: `treap::SearchResult::Empty`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bindings_with_variant_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `root`
[INFO] [stdout]    --> src/treap2.rs:236:21
[INFO] [stdout]     |
[INFO] [stdout] 236 |                 let root = x.fixup_priority();
[INFO] [stdout]     |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_root`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `root2`
[INFO] [stdout]    --> src/treap2.rs:239:21
[INFO] [stdout]     |
[INFO] [stdout] 239 |                 let root2 = x.fixdown_priority();
[INFO] [stdout]     |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_root2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `root`
[INFO] [stdout]    --> src/treap2.rs:261:21
[INFO] [stdout]     |
[INFO] [stdout] 261 |                 let root = child.as_ref().unwrap().fixup_priority();
[INFO] [stdout]     |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_root`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `Empty`
[INFO] [stdout]    --> src/treap2.rs:265:13
[INFO] [stdout]     |
[INFO] [stdout] 265 |             Empty => {
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]     |
[INFO] [stdout] 265 |             _Empty => {
[INFO] [stdout]     |             +
[INFO] [stdout] help: you might have meant to pattern match on the similarly named variant `Empty`
[INFO] [stdout]     |
[INFO] [stdout] 265 |             treap::SearchResult::Empty => {
[INFO] [stdout]     |             +++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `count` is assigned to, but never used
[INFO] [stdout]    --> src/treap2.rs:439:17
[INFO] [stdout]     |
[INFO] [stdout] 439 |         let mut count = 0;
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_count` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/treap2.rs:438:13
[INFO] [stdout]     |
[INFO] [stdout] 438 |         let mut x = self.clone();
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new_root`
[INFO] [stdout]    --> src/treap2.rs:722:22
[INFO] [stdout]     |
[INFO] [stdout] 722 |                 Some(new_root) => n.remove(),
[INFO] [stdout]     |                      ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_root`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/treap2.rs:731:25
[INFO] [stdout]     |
[INFO] [stdout] 731 |     pub fn union(&self, mut other: Self) -> Self {
[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/treap2.rs:801:29
[INFO] [stdout]     |
[INFO] [stdout] 801 |     pub fn intersect(&self, mut other: Self) -> Self {
[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/treap2.rs:806:21
[INFO] [stdout]     |
[INFO] [stdout] 806 |         let (mut a, mut b) = if self.prio() < other.prio() {
[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/treap2.rs:981:9
[INFO] [stdout]     |
[INFO] [stdout] 981 |     let mut n2 = Node {
[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/treap2.rs:990:9
[INFO] [stdout]     |
[INFO] [stdout] 990 |     let mut n3 = Node {
[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/treap2.rs:999:9
[INFO] [stdout]     |
[INFO] [stdout] 999 |     let mut n4 = Node {
[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/treap2.rs:1022:9
[INFO] [stdout]      |
[INFO] [stdout] 1022 |     let mut r0 = NodePtr(Rc::new(RefCell::new(n0)));
[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/treap2.rs:1129:29
[INFO] [stdout]      |
[INFO] [stdout] 1129 |         SearchResult::Exact(mut x) => match x.search(-10.) {
[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/treap2.rs:1191:9
[INFO] [stdout]      |
[INFO] [stdout] 1191 |     let mut n2 = Node {
[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/treap2.rs:1200:9
[INFO] [stdout]      |
[INFO] [stdout] 1200 |     let mut n3 = Node {
[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/treap2.rs:1209:9
[INFO] [stdout]      |
[INFO] [stdout] 1209 |     let mut n4 = Node {
[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/treap2.rs:1232:9
[INFO] [stdout]      |
[INFO] [stdout] 1232 |     let mut r0 = NodePtr(Rc::new(RefCell::new(n0)));
[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/treap2.rs:1252:29
[INFO] [stdout]      |
[INFO] [stdout] 1252 |         SearchResult::Exact(mut x) => {
[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/treap2.rs:1306:9
[INFO] [stdout]      |
[INFO] [stdout] 1306 |     let mut r0 = {
[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/treap2.rs:1325:13
[INFO] [stdout]      |
[INFO] [stdout] 1325 |         let mut n2 = Node {
[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/treap2.rs:1334:13
[INFO] [stdout]      |
[INFO] [stdout] 1334 |         let mut n3 = Node {
[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/treap2.rs:1343:13
[INFO] [stdout]      |
[INFO] [stdout] 1343 |         let mut n4 = Node {
[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/treap2.rs:1389:29
[INFO] [stdout]      |
[INFO] [stdout] 1389 |         SearchResult::Exact(mut x) => {
[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/treap2.rs:1450:9
[INFO] [stdout]      |
[INFO] [stdout] 1450 |     let mut t = NodePtr::new();
[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/treap2.rs:1505:9
[INFO] [stdout]      |
[INFO] [stdout] 1505 |     let mut t = NodePtr::new();
[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/treap2.rs:1561:9
[INFO] [stdout]      |
[INFO] [stdout] 1561 |     let mut t = NodePtr::new();
[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/treap2.rs:1606:9
[INFO] [stdout]      |
[INFO] [stdout] 1606 |     let mut t = NodePtr::new();
[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/treap2.rs:1654:9
[INFO] [stdout]      |
[INFO] [stdout] 1654 |     let mut t = NodePtr::new();
[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/treap2.rs:2236:13
[INFO] [stdout]      |
[INFO] [stdout] 2236 |         let mut t1: NodePtr<f32, i32> = NodePtr::new();
[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/treap2.rs:2237:13
[INFO] [stdout]      |
[INFO] [stdout] 2237 |         let mut t2 = NodePtr::new();
[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/treap2.rs:2248:13
[INFO] [stdout]      |
[INFO] [stdout] 2248 |         let mut t2 = NodePtr::new();
[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/treap2.rs:2276:13
[INFO] [stdout]      |
[INFO] [stdout] 2276 |         let mut t1 = NodePtr::new();
[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/treap2.rs:2395:13
[INFO] [stdout]      |
[INFO] [stdout] 2395 |         let mut t1: NodePtr<f32, i32> = NodePtr::new();
[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/treap2.rs:2396:13
[INFO] [stdout]      |
[INFO] [stdout] 2396 |         let mut t2 = NodePtr::new();
[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/treap2.rs:2407:13
[INFO] [stdout]      |
[INFO] [stdout] 2407 |         let mut t2 = NodePtr::new();
[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/treap2.rs:2431:13
[INFO] [stdout]      |
[INFO] [stdout] 2431 |         let mut t1 = NodePtr::new();
[INFO] [stdout]      |             ----^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/queue_monotone.rs:131:39
[INFO] [stdout]     |
[INFO] [stdout] 131 |     let arr: Vec<i32> = (0..100).map(|x| rng.gen_range(-1000, 1000)).collect();
[INFO] [stdout]     |                                       ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `equal_f32` is never used
[INFO] [stdout]     --> src/treap2.rs:2303:8
[INFO] [stdout]      |
[INFO] [stdout] 2303 |     fn equal_f32(a: f32, b: f32) -> bool {
[INFO] [stdout]      |        ^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `equal_f32` is never used
[INFO] [stdout]     --> src/treap2.rs:2386:8
[INFO] [stdout]      |
[INFO] [stdout] 2386 |     fn equal_f32(a: f32, b: f32) -> bool {
[INFO] [stdout]      |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `equal_f32` is never used
[INFO] [stdout]     --> src/treap2.rs:2454:8
[INFO] [stdout]      |
[INFO] [stdout] 2454 |     fn equal_f32(a: f32, b: f32) -> bool {
[INFO] [stdout]      |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `equal_f32` is never used
[INFO] [stdout]     --> src/treap2.rs:2540:8
[INFO] [stdout]      |
[INFO] [stdout] 2540 |     fn equal_f32(a: f32, b: f32) -> bool {
[INFO] [stdout]      |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `m` should have an upper case name
[INFO] [stdout]    --> src/segsum.rs:318:11
[INFO] [stdout]     |
[INFO] [stdout] 318 |     const m: usize = 64;
[INFO] [stdout]     |           ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_upper_case_globals)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]     |
[INFO] [stdout] 318 -     const m: usize = 64;
[INFO] [stdout] 318 +     const M: usize = 64;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `m` should have an upper case name
[INFO] [stdout]    --> src/segmax.rs:324:11
[INFO] [stdout]     |
[INFO] [stdout] 324 |     const m: usize = 64;
[INFO] [stdout]     |           ^
[INFO] [stdout]     |
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]     |
[INFO] [stdout] 324 -     const m: usize = 64;
[INFO] [stdout] 324 +     const M: usize = 64;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Empty` should have a snake case name
[INFO] [stdout]    --> src/treap2.rs:265:13
[INFO] [stdout]     |
[INFO] [stdout] 265 |             Empty => {
[INFO] [stdout]     |             ^^^^^ help: convert the identifier to snake case: `empty`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `window` should have an upper case name
[INFO] [stdout]    --> src/queue_monotone.rs:125:11
[INFO] [stdout]     |
[INFO] [stdout] 125 |     const window: usize = 20;
[INFO] [stdout]     |           ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]     |
[INFO] [stdout] 125 -     const window: usize = 20;
[INFO] [stdout] 125 +     const WINDOW: usize = 20;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0170`.
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 24.59s
[INFO] running `Command { std: "docker" "inspect" "125b4b106dc4e012d197947e5c7659fdfdccb8bf156c4d2bbecf8d41a75b643c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "125b4b106dc4e012d197947e5c7659fdfdccb8bf156c4d2bbecf8d41a75b643c", kill_on_drop: false }`
[INFO] [stdout] 125b4b106dc4e012d197947e5c7659fdfdccb8bf156c4d2bbecf8d41a75b643c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0af4a6f9fbc306ae32ddf271adec38978b4a9b60de42f40134ed5269ad516c3d
[INFO] running `Command { std: "docker" "start" "-a" "0af4a6f9fbc306ae32ddf271adec38978b4a9b60de42f40134ed5269ad516c3d", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: unused import: `std::collections::HashSet`
[INFO] [stderr]  --> src/backtrack.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::collections::HashSet;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `RefMut`
[INFO] [stderr]  --> src/treap2.rs:5:26
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::cell::{RefCell, RefMut};
[INFO] [stderr]   |                          ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Ordering` and `self`
[INFO] [stderr]  --> src/treap2.rs:6:16
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::cmp::{self, Ordering};
[INFO] [stderr]   |                ^^^^  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `HashSet`
[INFO] [stderr]  --> src/treap2.rs:7:33
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::collections::{HashMap, HashSet};
[INFO] [stderr]   |                                 ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::mem`
[INFO] [stderr]   --> src/treap2.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::mem;
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `DerefMut` and `Deref`
[INFO] [stderr]   --> src/treap2.rs:11:16
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::ops::{Deref, DerefMut};
[INFO] [stderr]    |                ^^^^^  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::chrono::prelude::*`
[INFO] [stderr]   --> src/treap2.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | use self::chrono::prelude::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stderr]    --> src/treap2.rs:681:25
[INFO] [stderr]     |
[INFO] [stderr] 681 |         let t_l = match (l) {
[INFO] [stderr]     |                         ^ ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 681 -         let t_l = match (l) {
[INFO] [stderr] 681 +         let t_l = match l {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stderr]    --> src/treap2.rs:690:25
[INFO] [stderr]     |
[INFO] [stderr] 690 |         let t_r = match (r) {
[INFO] [stderr]     |                         ^ ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 690 -         let t_r = match (r) {
[INFO] [stderr] 690 +         let t_r = match r {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]   --> src/segmax.rs:80:30
[INFO] [stderr]    |
[INFO] [stderr] 80 |             Some(Change::Abs(v)) => self.s.clone(),
[INFO] [stderr]    |                              ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/rb.rs:145:17
[INFO] [stderr]     |
[INFO] [stderr] 145 |             let mut leaf_dummy = Node {
[INFO] [stderr]     |                 ----^^^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `count`
[INFO] [stderr]   --> src/dsu.rs:25:34
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn insert_new(&mut self, count: usize) -> usize {
[INFO] [stderr]    |                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_count`
[INFO] [stderr] 
[INFO] [stderr] warning[E0170]: pattern binding `Empty` is named the same as one of the variants of the type `treap::SearchResult`
[INFO] [stderr]    --> src/treap2.rs:265:13
[INFO] [stderr]     |
[INFO] [stderr] 265 |             Empty => {
[INFO] [stderr]     |             ^^^^^ help: to match on the variant, qualify the path: `treap::SearchResult::Empty`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bindings_with_variant_name)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `root`
[INFO] [stderr]    --> src/treap2.rs:236:21
[INFO] [stderr]     |
[INFO] [stderr] 236 |                 let root = x.fixup_priority();
[INFO] [stderr]     |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_root`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `root2`
[INFO] [stderr]    --> src/treap2.rs:239:21
[INFO] [stderr]     |
[INFO] [stderr] 239 |                 let root2 = x.fixdown_priority();
[INFO] [stderr]     |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_root2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `root`
[INFO] [stderr]    --> src/treap2.rs:261:21
[INFO] [stderr]     |
[INFO] [stderr] 261 |                 let root = child.as_ref().unwrap().fixup_priority();
[INFO] [stderr]     |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_root`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `Empty`
[INFO] [stderr]    --> src/treap2.rs:265:13
[INFO] [stderr]     |
[INFO] [stderr] 265 |             Empty => {
[INFO] [stderr]     |             ^^^^^
[INFO] [stderr]     |
[INFO] [stderr] help: if this is intentional, prefix it with an underscore
[INFO] [stderr]     |
[INFO] [stderr] 265 |             _Empty => {
[INFO] [stderr]     |             +
[INFO] [stderr] help: you might have meant to pattern match on the similarly named variant `Empty`
[INFO] [stderr]     |
[INFO] [stderr] 265 |             treap::SearchResult::Empty => {
[INFO] [stderr]     |             +++++++++++++++++++++
[INFO] [stderr] 
[INFO] [stderr] warning: variable `count` is assigned to, but never used
[INFO] [stderr]    --> src/treap2.rs:439:17
[INFO] [stderr]     |
[INFO] [stderr] 439 |         let mut count = 0;
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider using `_count` instead
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/treap2.rs:438:13
[INFO] [stderr]     |
[INFO] [stderr] 438 |         let mut x = self.clone();
[INFO] [stderr]     |             ----^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `new_root`
[INFO] [stderr]    --> src/treap2.rs:722:22
[INFO] [stderr]     |
[INFO] [stderr] 722 |                 Some(new_root) => n.remove(),
[INFO] [stderr]     |                      ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_root`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/treap2.rs:731:25
[INFO] [stderr]     |
[INFO] [stderr] 731 |     pub fn union(&self, mut other: Self) -> Self {
[INFO] [stderr]     |                         ----^^^^^
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/treap2.rs:801:29
[INFO] [stderr]     |
[INFO] [stderr] 801 |     pub fn intersect(&self, mut other: Self) -> Self {
[INFO] [stderr]     |                             ----^^^^^
[INFO] [stderr]     |                             |
[INFO] [stderr]     |                             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/treap2.rs:806:21
[INFO] [stderr]     |
[INFO] [stderr] 806 |         let (mut a, mut b) = if self.prio() < other.prio() {
[INFO] [stderr]     |                     ----^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: fields `data`, `length`, and `auto_length` are never read
[INFO] [stderr]   --> src/queue_monotone.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub struct QueueMonotone<T>
[INFO] [stderr]    |            ------------- fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 18 |     data: VecDeque<(T, usize)>,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 21 |     length: usize,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 24 |     auto_length: Option<usize>,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `push`, `pop`, `max`, `len`, and `set_auto_len` are never used
[INFO] [stderr]   --> src/queue_monotone.rs:31:8
[INFO] [stderr]    |
[INFO] [stderr] 27 | / impl<T> QueueMonotone<T>
[INFO] [stderr] 28 | | where
[INFO] [stderr] 29 | |     T: Ord + Clone,
[INFO] [stderr]    | |___________________- associated items in this implementation
[INFO] [stderr] 30 |   {
[INFO] [stderr] 31 |       fn new() -> QueueMonotone<T> {
[INFO] [stderr]    |          ^^^
[INFO] [stderr] ...
[INFO] [stderr] 39 |       fn push(&mut self, i: T) {
[INFO] [stderr]    |          ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 66 |       fn pop(&mut self) {
[INFO] [stderr]    |          ^^^
[INFO] [stderr] ...
[INFO] [stderr] 80 |       fn max(&self) -> Option<&T> {
[INFO] [stderr]    |          ^^^
[INFO] [stderr] ...
[INFO] [stderr] 86 |       fn len(&self) -> usize {
[INFO] [stderr]    |          ^^^
[INFO] [stderr] ...
[INFO] [stderr] 89 |       fn set_auto_len(&mut self, l: usize) {
[INFO] [stderr]    |          ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Empty` should have a snake case name
[INFO] [stderr]    --> src/treap2.rs:265:13
[INFO] [stderr]     |
[INFO] [stderr] 265 |             Empty => {
[INFO] [stderr]     |             ^^^^^ help: convert the identifier to snake case: `empty`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0170`.
[INFO] [stderr] warning: unused import: `self::chrono::prelude::*`
[INFO] [stderr]    --> src/rb.rs:931:5
[INFO] [stderr]     |
[INFO] [stderr] 931 | use self::chrono::prelude::*;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::BTreeMap`
[INFO] [stderr]    --> src/rb.rs:937:5
[INFO] [stderr]     |
[INFO] [stderr] 937 | use std::collections::BTreeMap;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self`
[INFO] [stderr]  --> src/treap2.rs:6:16
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::cmp::{self, Ordering};
[INFO] [stderr]   |                ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]     --> src/treap2.rs:1883:50
[INFO] [stderr]      |
[INFO] [stderr] 1883 |             .for_each(|(a, b)| assert!(equal_f32((*a as f32), *b)));
[INFO] [stderr]      |                                                  ^         ^
[INFO] [stderr]      |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr] 1883 -             .for_each(|(a, b)| assert!(equal_f32((*a as f32), *b)));
[INFO] [stderr] 1883 +             .for_each(|(a, b)| assert!(equal_f32(*a as f32, *b)));
[INFO] [stderr]      |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]     --> src/treap2.rs:1904:50
[INFO] [stderr]      |
[INFO] [stderr] 1904 |             .for_each(|(a, b)| assert!(equal_f32((*a as f32), *b)));
[INFO] [stderr]      |                                                  ^         ^
[INFO] [stderr]      |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr] 1904 -             .for_each(|(a, b)| assert!(equal_f32((*a as f32), *b)));
[INFO] [stderr] 1904 +             .for_each(|(a, b)| assert!(equal_f32(*a as f32, *b)));
[INFO] [stderr]      |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]     --> src/treap2.rs:1950:50
[INFO] [stderr]      |
[INFO] [stderr] 1950 |             .for_each(|(a, b)| assert!(equal_f32((*a as f32), *b)));
[INFO] [stderr]      |                                                  ^         ^
[INFO] [stderr]      |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr] 1950 -             .for_each(|(a, b)| assert!(equal_f32((*a as f32), *b)));
[INFO] [stderr] 1950 +             .for_each(|(a, b)| assert!(equal_f32(*a as f32, *b)));
[INFO] [stderr]      |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]     --> src/treap2.rs:1972:50
[INFO] [stderr]      |
[INFO] [stderr] 1972 |             .for_each(|(a, b)| assert!(equal_f32((*a as f32), *b)));
[INFO] [stderr]      |                                                  ^         ^
[INFO] [stderr]      |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr] 1972 -             .for_each(|(a, b)| assert!(equal_f32((*a as f32), *b)));
[INFO] [stderr] 1972 +             .for_each(|(a, b)| assert!(equal_f32(*a as f32, *b)));
[INFO] [stderr]      |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]     --> src/treap2.rs:2018:50
[INFO] [stderr]      |
[INFO] [stderr] 2018 |             .for_each(|(a, b)| assert!(equal_f32((*a as f32), *b)));
[INFO] [stderr]      |                                                  ^         ^
[INFO] [stderr]      |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr] 2018 -             .for_each(|(a, b)| assert!(equal_f32((*a as f32), *b)));
[INFO] [stderr] 2018 +             .for_each(|(a, b)| assert!(equal_f32(*a as f32, *b)));
[INFO] [stderr]      |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]     --> src/treap2.rs:2040:50
[INFO] [stderr]      |
[INFO] [stderr] 2040 |             .for_each(|(a, b)| assert!(equal_f32((*a as f32), *b)));
[INFO] [stderr]      |                                                  ^         ^
[INFO] [stderr]      |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr] 2040 -             .for_each(|(a, b)| assert!(equal_f32((*a as f32), *b)));
[INFO] [stderr] 2040 +             .for_each(|(a, b)| assert!(equal_f32(*a as f32, *b)));
[INFO] [stderr]      |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]     --> src/treap2.rs:2060:50
[INFO] [stderr]      |
[INFO] [stderr] 2060 |             .for_each(|(a, b)| assert!(equal_f32((*a as f32), *b)));
[INFO] [stderr]      |                                                  ^         ^
[INFO] [stderr]      |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr] 2060 -             .for_each(|(a, b)| assert!(equal_f32((*a as f32), *b)));
[INFO] [stderr] 2060 +             .for_each(|(a, b)| assert!(equal_f32(*a as f32, *b)));
[INFO] [stderr]      |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]     --> src/treap2.rs:2106:50
[INFO] [stderr]      |
[INFO] [stderr] 2106 |             .for_each(|(a, b)| assert!(equal_f32((*a as f32), *b)));
[INFO] [stderr]      |                                                  ^         ^
[INFO] [stderr]      |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr] 2106 -             .for_each(|(a, b)| assert!(equal_f32((*a as f32), *b)));
[INFO] [stderr] 2106 +             .for_each(|(a, b)| assert!(equal_f32(*a as f32, *b)));
[INFO] [stderr]      |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]     --> src/treap2.rs:2125:50
[INFO] [stderr]      |
[INFO] [stderr] 2125 |             .for_each(|(a, b)| assert!(equal_f32((*a as f32), *b)));
[INFO] [stderr]      |                                                  ^         ^
[INFO] [stderr]      |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr] 2125 -             .for_each(|(a, b)| assert!(equal_f32((*a as f32), *b)));
[INFO] [stderr] 2125 +             .for_each(|(a, b)| assert!(equal_f32(*a as f32, *b)));
[INFO] [stderr]      |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]     --> src/treap2.rs:2267:54
[INFO] [stderr]      |
[INFO] [stderr] 2267 |                 .for_each(|(a, b)| assert!(equal_f32((*a as f32), *b)));
[INFO] [stderr]      |                                                      ^         ^
[INFO] [stderr]      |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr] 2267 -                 .for_each(|(a, b)| assert!(equal_f32((*a as f32), *b)));
[INFO] [stderr] 2267 +                 .for_each(|(a, b)| assert!(equal_f32(*a as f32, *b)));
[INFO] [stderr]      |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]     --> src/treap2.rs:2296:54
[INFO] [stderr]      |
[INFO] [stderr] 2296 |                 .for_each(|(a, b)| assert!(equal_f32((*a as f32), *b)));
[INFO] [stderr]      |                                                      ^         ^
[INFO] [stderr]      |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr] 2296 -                 .for_each(|(a, b)| assert!(equal_f32((*a as f32), *b)));
[INFO] [stderr] 2296 +                 .for_each(|(a, b)| assert!(equal_f32(*a as f32, *b)));
[INFO] [stderr]      |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around closure body
[INFO] [stderr]     --> src/treap2.rs:2313:33
[INFO] [stderr]      |
[INFO] [stderr] 2313 |     let va = (0..count).map(|x| (x * 2)).collect::<Vec<i32>>();
[INFO] [stderr]      |                                 ^     ^
[INFO] [stderr]      |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr] 2313 -     let va = (0..count).map(|x| (x * 2)).collect::<Vec<i32>>();
[INFO] [stderr] 2313 +     let va = (0..count).map(|x| x * 2).collect::<Vec<i32>>();
[INFO] [stderr]      |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around closure body
[INFO] [stderr]     --> src/treap2.rs:2314:33
[INFO] [stderr]      |
[INFO] [stderr] 2314 |     let vb = (0..count).map(|x| (x * 2 + 1)).collect::<Vec<i32>>();
[INFO] [stderr]      |                                 ^         ^
[INFO] [stderr]      |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr] 2314 -     let vb = (0..count).map(|x| (x * 2 + 1)).collect::<Vec<i32>>();
[INFO] [stderr] 2314 +     let vb = (0..count).map(|x| x * 2 + 1).collect::<Vec<i32>>();
[INFO] [stderr]      |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around closure body
[INFO] [stderr]     --> src/treap2.rs:2464:33
[INFO] [stderr]      |
[INFO] [stderr] 2464 |     let va = (0..count).map(|x| (x)).collect::<Vec<i32>>();
[INFO] [stderr]      |                                 ^ ^
[INFO] [stderr]      |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr] 2464 -     let va = (0..count).map(|x| (x)).collect::<Vec<i32>>();
[INFO] [stderr] 2464 +     let va = (0..count).map(|x| x).collect::<Vec<i32>>();
[INFO] [stderr]      |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around closure body
[INFO] [stderr]     --> src/treap2.rs:2465:43
[INFO] [stderr]      |
[INFO] [stderr] 2465 |     let vb = (0..count / 2).rev().map(|x| (x)).collect::<Vec<i32>>();
[INFO] [stderr]      |                                           ^ ^
[INFO] [stderr]      |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr] 2465 -     let vb = (0..count / 2).rev().map(|x| (x)).collect::<Vec<i32>>();
[INFO] [stderr] 2465 +     let vb = (0..count / 2).rev().map(|x| x).collect::<Vec<i32>>();
[INFO] [stderr]      |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around closure body
[INFO] [stderr]     --> src/treap2.rs:2550:33
[INFO] [stderr]      |
[INFO] [stderr] 2550 |     let va = (0..count).map(|x| (x)).collect::<Vec<i32>>();
[INFO] [stderr]      |                                 ^ ^
[INFO] [stderr]      |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr] 2550 -     let va = (0..count).map(|x| (x)).collect::<Vec<i32>>();
[INFO] [stderr] 2550 +     let va = (0..count).map(|x| x).collect::<Vec<i32>>();
[INFO] [stderr]      |
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `thread_rng`
[INFO] [stderr]   --> src/queue_monotone.rs:11:18
[INFO] [stderr]    |
[INFO] [stderr] 11 | use self::rand::{thread_rng, Rng};
[INFO] [stderr]    |                  ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::rand::Rng`
[INFO] [stderr]    --> src/rb.rs:935:5
[INFO] [stderr]     |
[INFO] [stderr] 935 | use self::rand::Rng;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `count`
[INFO] [stderr]   --> src/dsu.rs:25:34
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn insert_new(&mut self, count: usize) -> usize {
[INFO] [stderr]    |                                  ^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: if this is intentional, prefix it with an underscore
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn insert_new(&mut self, _count: usize) -> usize {
[INFO] [stderr]    |                                  +
[INFO] [stderr] help: you might have meant to pattern match on the similarly named constant `window`
[INFO] [stderr]    |
[INFO] [stderr] 25 -     pub fn insert_new(&mut self, count: usize) -> usize {
[INFO] [stderr] 25 +     pub fn insert_new(&mut self, queue_monotone::test2::window: usize) -> usize {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/treap2.rs:981:9
[INFO] [stderr]     |
[INFO] [stderr] 981 |     let mut n2 = Node {
[INFO] [stderr]     |         ----^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/treap2.rs:990:9
[INFO] [stderr]     |
[INFO] [stderr] 990 |     let mut n3 = Node {
[INFO] [stderr]     |         ----^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/treap2.rs:999:9
[INFO] [stderr]     |
[INFO] [stderr] 999 |     let mut n4 = Node {
[INFO] [stderr]     |         ----^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/treap2.rs:1022:9
[INFO] [stderr]      |
[INFO] [stderr] 1022 |     let mut r0 = NodePtr(Rc::new(RefCell::new(n0)));
[INFO] [stderr]      |         ----^^
[INFO] [stderr]      |         |
[INFO] [stderr]      |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/treap2.rs:1129:29
[INFO] [stderr]      |
[INFO] [stderr] 1129 |         SearchResult::Exact(mut x) => match x.search(-10.) {
[INFO] [stderr]      |                             ----^
[INFO] [stderr]      |                             |
[INFO] [stderr]      |                             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/treap2.rs:1191:9
[INFO] [stderr]      |
[INFO] [stderr] 1191 |     let mut n2 = Node {
[INFO] [stderr]      |         ----^^
[INFO] [stderr]      |         |
[INFO] [stderr]      |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/treap2.rs:1200:9
[INFO] [stderr]      |
[INFO] [stderr] 1200 |     let mut n3 = Node {
[INFO] [stderr]      |         ----^^
[INFO] [stderr]      |         |
[INFO] [stderr]      |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/treap2.rs:1209:9
[INFO] [stderr]      |
[INFO] [stderr] 1209 |     let mut n4 = Node {
[INFO] [stderr]      |         ----^^
[INFO] [stderr]      |         |
[INFO] [stderr]      |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/treap2.rs:1232:9
[INFO] [stderr]      |
[INFO] [stderr] 1232 |     let mut r0 = NodePtr(Rc::new(RefCell::new(n0)));
[INFO] [stderr]      |         ----^^
[INFO] [stderr]      |         |
[INFO] [stderr]      |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/treap2.rs:1252:29
[INFO] [stderr]      |
[INFO] [stderr] 1252 |         SearchResult::Exact(mut x) => {
[INFO] [stderr]      |                             ----^
[INFO] [stderr]      |                             |
[INFO] [stderr]      |                             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/treap2.rs:1306:9
[INFO] [stderr]      |
[INFO] [stderr] 1306 |     let mut r0 = {
[INFO] [stderr]      |         ----^^
[INFO] [stderr]      |         |
[INFO] [stderr]      |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/treap2.rs:1325:13
[INFO] [stderr]      |
[INFO] [stderr] 1325 |         let mut n2 = Node {
[INFO] [stderr]      |             ----^^
[INFO] [stderr]      |             |
[INFO] [stderr]      |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/treap2.rs:1334:13
[INFO] [stderr]      |
[INFO] [stderr] 1334 |         let mut n3 = Node {
[INFO] [stderr]      |             ----^^
[INFO] [stderr]      |             |
[INFO] [stderr]      |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/treap2.rs:1343:13
[INFO] [stderr]      |
[INFO] [stderr] 1343 |         let mut n4 = Node {
[INFO] [stderr]      |             ----^^
[INFO] [stderr]      |             |
[INFO] [stderr]      |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/treap2.rs:1389:29
[INFO] [stderr]      |
[INFO] [stderr] 1389 |         SearchResult::Exact(mut x) => {
[INFO] [stderr]      |                             ----^
[INFO] [stderr]      |                             |
[INFO] [stderr]      |                             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/treap2.rs:1450:9
[INFO] [stderr]      |
[INFO] [stderr] 1450 |     let mut t = NodePtr::new();
[INFO] [stderr]      |         ----^
[INFO] [stderr]      |         |
[INFO] [stderr]      |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/treap2.rs:1505:9
[INFO] [stderr]      |
[INFO] [stderr] 1505 |     let mut t = NodePtr::new();
[INFO] [stderr]      |         ----^
[INFO] [stderr]      |         |
[INFO] [stderr]      |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/treap2.rs:1561:9
[INFO] [stderr]      |
[INFO] [stderr] 1561 |     let mut t = NodePtr::new();
[INFO] [stderr]      |         ----^
[INFO] [stderr]      |         |
[INFO] [stderr]      |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/treap2.rs:1606:9
[INFO] [stderr]      |
[INFO] [stderr] 1606 |     let mut t = NodePtr::new();
[INFO] [stderr]      |         ----^
[INFO] [stderr]      |         |
[INFO] [stderr]      |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/treap2.rs:1654:9
[INFO] [stderr]      |
[INFO] [stderr] 1654 |     let mut t = NodePtr::new();
[INFO] [stderr]      |         ----^
[INFO] [stderr]      |         |
[INFO] [stderr]      |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/treap2.rs:2236:13
[INFO] [stderr]      |
[INFO] [stderr] 2236 |         let mut t1: NodePtr<f32, i32> = NodePtr::new();
[INFO] [stderr]      |             ----^^
[INFO] [stderr]      |             |
[INFO] [stderr]      |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/treap2.rs:2237:13
[INFO] [stderr]      |
[INFO] [stderr] 2237 |         let mut t2 = NodePtr::new();
[INFO] [stderr]      |             ----^^
[INFO] [stderr]      |             |
[INFO] [stderr]      |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/treap2.rs:2248:13
[INFO] [stderr]      |
[INFO] [stderr] 2248 |         let mut t2 = NodePtr::new();
[INFO] [stderr]      |             ----^^
[INFO] [stderr]      |             |
[INFO] [stderr]      |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/treap2.rs:2276:13
[INFO] [stderr]      |
[INFO] [stderr] 2276 |         let mut t1 = NodePtr::new();
[INFO] [stderr]      |             ----^^
[INFO] [stderr]      |             |
[INFO] [stderr]      |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/treap2.rs:2395:13
[INFO] [stderr]      |
[INFO] [stderr] 2395 |         let mut t1: NodePtr<f32, i32> = NodePtr::new();
[INFO] [stderr]      |             ----^^
[INFO] [stderr]      |             |
[INFO] [stderr]      |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/treap2.rs:2396:13
[INFO] [stderr]      |
[INFO] [stderr] 2396 |         let mut t2 = NodePtr::new();
[INFO] [stderr]      |             ----^^
[INFO] [stderr]      |             |
[INFO] [stderr]      |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/treap2.rs:2407:13
[INFO] [stderr]      |
[INFO] [stderr] 2407 |         let mut t2 = NodePtr::new();
[INFO] [stderr]      |             ----^^
[INFO] [stderr]      |             |
[INFO] [stderr]      |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/treap2.rs:2431:13
[INFO] [stderr]      |
[INFO] [stderr] 2431 |         let mut t1 = NodePtr::new();
[INFO] [stderr]      |             ----^^
[INFO] [stderr]      |             |
[INFO] [stderr]      |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/queue_monotone.rs:131:39
[INFO] [stderr]     |
[INFO] [stderr] 131 |     let arr: Vec<i32> = (0..100).map(|x| rng.gen_range(-1000, 1000)).collect();
[INFO] [stderr]     |                                       ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: function `equal_f32` is never used
[INFO] [stderr]     --> src/treap2.rs:2303:8
[INFO] [stderr]      |
[INFO] [stderr] 2303 |     fn equal_f32(a: f32, b: f32) -> bool {
[INFO] [stderr]      |        ^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `equal_f32` is never used
[INFO] [stderr]     --> src/treap2.rs:2386:8
[INFO] [stderr]      |
[INFO] [stderr] 2386 |     fn equal_f32(a: f32, b: f32) -> bool {
[INFO] [stderr]      |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `equal_f32` is never used
[INFO] [stderr]     --> src/treap2.rs:2454:8
[INFO] [stderr]      |
[INFO] [stderr] 2454 |     fn equal_f32(a: f32, b: f32) -> bool {
[INFO] [stderr]      |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `equal_f32` is never used
[INFO] [stderr]     --> src/treap2.rs:2540:8
[INFO] [stderr]      |
[INFO] [stderr] 2540 |     fn equal_f32(a: f32, b: f32) -> bool {
[INFO] [stderr]      |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `m` should have an upper case name
[INFO] [stderr]    --> src/segsum.rs:318:11
[INFO] [stderr]     |
[INFO] [stderr] 318 |     const m: usize = 64;
[INFO] [stderr]     |           ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_upper_case_globals)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] help: convert the identifier to upper case
[INFO] [stderr]     |
[INFO] [stderr] 318 -     const m: usize = 64;
[INFO] [stderr] 318 +     const M: usize = 64;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: constant `m` should have an upper case name
[INFO] [stderr]    --> src/segmax.rs:324:11
[INFO] [stderr]     |
[INFO] [stderr] 324 |     const m: usize = 64;
[INFO] [stderr]     |           ^
[INFO] [stderr]     |
[INFO] [stderr] help: convert the identifier to upper case
[INFO] [stderr]     |
[INFO] [stderr] 324 -     const m: usize = 64;
[INFO] [stderr] 324 +     const M: usize = 64;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: constant `window` should have an upper case name
[INFO] [stderr]    --> src/queue_monotone.rs:125:11
[INFO] [stderr]     |
[INFO] [stderr] 125 |     const window: usize = 20;
[INFO] [stderr]     |           ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] help: convert the identifier to upper case
[INFO] [stderr]     |
[INFO] [stderr] 125 -     const window: usize = 20;
[INFO] [stderr] 125 +     const WINDOW: usize = 20;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `treez` (lib) generated 26 warnings (run `cargo fix --lib -p treez` to apply 16 suggestions)
[INFO] [stderr] warning: `treez` (lib test) generated 78 warnings (20 duplicates) (run `cargo fix --lib -p treez --tests` to apply 52 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] [stderr]      Running unittests src/mod.rs (/opt/rustwide/target/debug/deps/treez-d43832e504f3476b)
[INFO] [stdout] 
[INFO] [stdout] running 47 tests
[INFO] [stdout] test bit::test_bit ... ok
[INFO] [stdout] test dsu::test_dsu ... ok
[INFO] [stdout] test lower_bound::test_lower_bound_end ... ok
[INFO] [stdout] test queue_monotone::test0 ... ok
[INFO] [stdout] test rb::test_rb_get ... ok
[INFO] [stdout] test rb::test_rb_insert ... ok
[INFO] [stdout] test rb::test_rb_remove_internal_black ... ok
[INFO] [stdout] test rb::test_rb_remove_internal_black_2 ... ok
[INFO] [stdout] test scc::test_scc_kosaraju ... ok
[INFO] [stdout] test rb::test_rb_remove_leaf_black ... ok
[INFO] [stdout] test rb::test_rb_clear ... ok
[INFO] [stdout] test lower_bound::test_lower_bound ... ok
[INFO] [stdout] test backtrack::test_backtrack ... ok
[INFO] [stdout] test rb::test_rb_remove_leaf_red ... ok
[INFO] [stdout] test queue_monotone::test2 ... ok
[INFO] [stdout] test rb::test_rb_remove_internal_red ... ok
[INFO] [stdout] test queue_monotone::test1 ... ok
[INFO] [stdout] test treap::test_treap_insert_with_priority_replacement ... ok
[INFO] [stdout] test treap::test_treap_predecessor ... ok
[INFO] [stdout] test treap::test_treap_depth ... ok
[INFO] [stdout] test treap::test_treap_insert_with_priority ... ok
[INFO] [stdout] test treap::test_treap_intersect_nonempty_2 ... ok
[INFO] [stdout] test rb::test_rb_contains_key ... ok
[INFO] [stdout] test treap::test_treap_remove_key_range ... ok
[INFO] [stdout] test treap::test_treap_search ... ok
[INFO] [stdout] test treap::test_treap_rotate_0 ... ok
[INFO] [stdout] test treap::test_treap_remove ... ok
[INFO] [stdout] test treap::test_treap_successor ... ok
[INFO] [stdout] test treap::test_treap_split_merge ... ok
[INFO] [stdout] test treap::test_treap_rotate_1 ... ok
[INFO] [stdout] test treap::test_treap_split_by_key ... ok
[INFO] [stdout] test treap::test_treap_query_key_range ... ok
[INFO] [stdout] test treap::test_treap_insert_remove_by_key ... ok
[INFO] [stdout] test rb::test_rb_remove_compact ... ok
[INFO] [stdout] test treap::test_treap_union_empty ... ok
[INFO] [stdout] test rb::test_rb_len ... ok
[INFO] [stdout] test upper_bound::test_upper_bound_end ... ok
[INFO] [stdout] test segmax::test_seg ... ok
[INFO] [stdout] test prefix::prefix ... ok
[INFO] [stdout] test upper_bound::test_upper_bound ... FAILED
[INFO] [stdout] test treap::test_treap_union_nonempty ... ok
[INFO] [stdout] test treap::test_treap_intersect_empty ... ok
[INFO] [stdout] test treap::test_treap_intersect_nonempty ... ok
[INFO] [stdout] test treap::test_treap_insert_remove_range_stress ... ok
[INFO] [stdout] test treap::test_treap_insert_remove_stress ... ok
[INFO] [stdout] test segsum::test_seg ... ok
[INFO] [stdout] test rb::test_rb_insert_remove_rand ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- upper_bound::test_upper_bound stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'upper_bound::test_upper_bound' (70) panicked at src/upper_bound.rs:55:5:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: 999
[INFO] [stdout]  right: 1000
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x592aee093042 - std::backtrace_rs::backtrace::libunwind::trace::hcab59e1e990fdc24
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x592aee093042 - std::backtrace_rs::backtrace::trace_unsynchronized::he24cc57f3d2f47b7
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x592aee093042 - std::sys::backtrace::_print_fmt::hf8d65ede198eeb54
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x592aee093042 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h67edf0e4d33c343c
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x592aee0a470f - core::fmt::rt::Argument::fmt::hef94184842aeafdd
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x592aee0a470f - core::fmt::write::hcf0c66b48a8fa606
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/mod.rs:1468:25
[INFO] [stdout]    6:     0x592aee060011 - std::io::default_write_fmt::h69967ac0ba93195f
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x592aee060011 - std::io::Write::write_fmt::h8db9396209deaa1c
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x592aee06c262 - std::sys::backtrace::BacktraceLock::print::h07e5435aa717b414
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x592aee070faf - std::panicking::default_hook::{{closure}}::h91001850288db5f7
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x592aee070e41 - std::panicking::default_hook::h2346dbb704ef5512
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:325:9
[INFO] [stdout]   11:     0x592aedfc98ae - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h18383b2e29377420
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:1999:9
[INFO] [stdout]   12:     0x592aedfc98ae - test::test_main_with_exit_callback::{{closure}}::h272d7ef99aef06dc
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x592aee07166f - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h6dba6e441651a0d1
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:1999:9
[INFO] [stdout]   14:     0x592aee07166f - std::panicking::panic_with_hook::hd2b063a6090d23a4
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:842:13
[INFO] [stdout]   15:     0x592aee0714ca - std::panicking::panic_handler::{{closure}}::he666d95f139a333e
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:707:13
[INFO] [stdout]   16:     0x592aee06c399 - std::sys::backtrace::__rust_end_short_backtrace::h631ad224854ebee5
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x592aee0539dd - __rustc[1d67440d6e82e4f]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:698:5
[INFO] [stdout]   18:     0x592aee0ac330 - core::panicking::panic_fmt::h420ddb7fd73daf53
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x592aee0ac133 - core::panicking::assert_failed_inner::h448e1d534f4c3d4b
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x592aee0abf17 - core::panicking::assert_failed::h87b296a5d40a0ee9
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x592aedf97675 - treez::upper_bound::test_upper_bound::hccdac7826f3b6878
[INFO] [stdout]                                at /opt/rustwide/workdir/src/upper_bound.rs:55:5
[INFO] [stdout]   22:     0x592aedf976f7 - treez::upper_bound::test_upper_bound::{{closure}}::hb99cc8936ba03b25
[INFO] [stdout]                                at /opt/rustwide/workdir/src/upper_bound.rs:36:22
[INFO] [stdout]   23:     0x592aedf9d196 - core::ops::function::FnOnce::call_once::hef82d2746156c685
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x592aedfc966b - core::ops::function::FnOnce::call_once::h70887edf07a630ba
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x592aedfc966b - test::__rust_begin_short_backtrace::h27763c4cbbdb8601
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x592aedfdf2d5 - test::run_test_in_process::{{closure}}::h4dc8bc6d5e3924d3
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x592aedfdf2d5 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h75905e8ffe81974f
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x592aedfdf2d5 - std::panicking::catch_unwind::do_call::h0bc60366ba66eba5
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40
[INFO] [stdout]   29:     0x592aedfdf2d5 - std::panicking::catch_unwind::hae1ec7bf94407afa
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19
[INFO] [stdout]   30:     0x592aedfdf2d5 - std::panic::catch_unwind::h0f4ff4773d84d3cd
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x592aedfdf2d5 - test::run_test_in_process::h03fbc77ae48b3f10
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x592aedfdf2d5 - test::run_test::{{closure}}::h83476a9c453dc4d3
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x592aedfb5ac4 - test::run_test::{{closure}}::h515482ad1e7fe7de
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x592aedfb5ac4 - std::sys::backtrace::__rust_begin_short_backtrace::hed09f6ac5fe9d647
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   35:     0x592aedfb938a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h988e2cd969319888
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   36:     0x592aedfb938a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hd70e28dc46ec20be
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x592aedfb938a - std::panicking::catch_unwind::do_call::hdc29e11311eb7655
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40
[INFO] [stdout]   38:     0x592aedfb938a - std::panicking::catch_unwind::h9e402d6a96fef41c
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19
[INFO] [stdout]   39:     0x592aedfb938a - std::panic::catch_unwind::h9213c0c54aec70e0
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x592aedfb938a - std::thread::Builder::spawn_unchecked_::{{closure}}::h6262965869ed2b87
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   41:     0x592aedfb938a - core::ops::function::FnOnce::call_once{{vtable.shim}}::h05c05ed02619e462
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x592aee0674ff - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h2044e71c41d3958a
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   43:     0x592aee0674ff - std::sys::thread::unix::Thread::new::thread_start::hf277835320aa8e5a
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/thread/unix.rs:126:17
[INFO] [stdout]   44:     0x7368d05dcaa4 - <unknown>
[INFO] [stdout]   45:     0x7368d0669a34 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     upper_bound::test_upper_bound
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 46 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.43s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "0af4a6f9fbc306ae32ddf271adec38978b4a9b60de42f40134ed5269ad516c3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0af4a6f9fbc306ae32ddf271adec38978b4a9b60de42f40134ed5269ad516c3d", kill_on_drop: false }`
[INFO] [stdout] 0af4a6f9fbc306ae32ddf271adec38978b4a9b60de42f40134ed5269ad516c3d
