[INFO] fetching crate treez 1.6.0...
[INFO] testing treez-1.6.0 against try#0abe69e6c16114311cc2700e972492e64d69c28f for pr-154065-1
[INFO] extracting crate treez 1.6.0 into /workspace/builds/worker-2-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-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate treez 1.6.0 on toolchain 0abe69e6c16114311cc2700e972492e64d69c28f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "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: v0.8.2)
[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: v0.10.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bbff57de9d4e85f6daddb382ddfc8dbbd9dd364dd48da43a4fa3afbdc3294355
[INFO] running `Command { std: "docker" "start" "-a" "bbff57de9d4e85f6daddb382ddfc8dbbd9dd364dd48da43a4fa3afbdc3294355", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bbff57de9d4e85f6daddb382ddfc8dbbd9dd364dd48da43a4fa3afbdc3294355", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbff57de9d4e85f6daddb382ddfc8dbbd9dd364dd48da43a4fa3afbdc3294355", kill_on_drop: false }`
[INFO] [stdout] bbff57de9d4e85f6daddb382ddfc8dbbd9dd364dd48da43a4fa3afbdc3294355
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a255ff6d0d949203676594a0ba7787b34a86403a40364ca20792e69657338c6
[INFO] running `Command { std: "docker" "start" "-a" "3a255ff6d0d949203676594a0ba7787b34a86403a40364ca20792e69657338c6", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[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 cfg-if v0.1.10
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling owning_ref v0.4.1
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling num-bigint v0.1.45
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rustc-serialize v0.3.25
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling crossbeam-utils v0.5.0
[INFO] [stderr]    Compiling lock_api v0.1.5
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling num-complex v0.1.44
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling num-rational v0.1.43
[INFO] [stderr]    Compiling crossbeam-epoch v0.5.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling crossbeam-epoch v0.6.1
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling chrono v0.4.44
[INFO] [stderr]    Compiling crossbeam-deque v0.5.2
[INFO] [stderr]    Compiling mazth v0.0.0
[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] error[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: `#[deny(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: 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] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]     |
[INFO] [stdout] 265 |             _Empty => {
[INFO] [stdout]     |             +
[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: variable `count` is assigned to, but never used
[INFO] [stdout]    --> src/treap2.rs:439:13
[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: value assigned to `count` is never read
[INFO] [stdout]    --> src/treap2.rs:495:13
[INFO] [stdout]     |
[INFO] [stdout] 495 |             count += 1;
[INFO] [stdout]     |             ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[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] error: could not compile `treez` (lib) due to 1 previous error; 26 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "3a255ff6d0d949203676594a0ba7787b34a86403a40364ca20792e69657338c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a255ff6d0d949203676594a0ba7787b34a86403a40364ca20792e69657338c6", kill_on_drop: false }`
[INFO] [stdout] 3a255ff6d0d949203676594a0ba7787b34a86403a40364ca20792e69657338c6
