[INFO] fetching crate vp-avl 0.1.11...
[INFO] building vp-avl-0.1.11 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate vp-avl 0.1.11 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate vp-avl 0.1.11
[INFO] finished tweaking crates.io crate vp-avl 0.1.11
[INFO] tweaked toml for crates.io crate vp-avl 0.1.11 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate vp-avl 0.1.11 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate vp-avl 0.1.11 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ce21bd47cbe1e9602488219d6735d2f3504026b887c52a7b2810c66af3f2d49f
[INFO] running `Command { std: "docker" "start" "-a" "ce21bd47cbe1e9602488219d6735d2f3504026b887c52a7b2810c66af3f2d49f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce21bd47cbe1e9602488219d6735d2f3504026b887c52a7b2810c66af3f2d49f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce21bd47cbe1e9602488219d6735d2f3504026b887c52a7b2810c66af3f2d49f", kill_on_drop: false }`
[INFO] [stdout] ce21bd47cbe1e9602488219d6735d2f3504026b887c52a7b2810c66af3f2d49f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e35396bda8cfd892c5ee6fe8eb2f0ac0eb1fc9448b106779970bb8ec28eb38f
[INFO] running `Command { std: "docker" "start" "-a" "9e35396bda8cfd892c5ee6fe8eb2f0ac0eb1fc9448b106779970bb8ec28eb38f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling replace_with v0.1.7
[INFO] [stderr]    Compiling getrandom v0.2.12
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling vp-avl v0.1.11 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `metric::*`
[INFO] [stdout]  --> src/lib.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use metric::*;
[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 imports: `collections::BinaryHeap` and `marker::PhantomData`
[INFO] [stdout]   --> src/lib.rs:14:11
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::{collections::BinaryHeap, marker::PhantomData};
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `let_chains` has been stable since 1.88.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(let_chains)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `root_dist`
[INFO] [stdout]    --> src/lib.rs:341:17
[INFO] [stdout]     |
[INFO] [stdout] 341 |             let root_dist = self.metric().distance(
[INFO] [stdout]     |                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_root_dist`
[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/lib.rs:460:13
[INFO] [stdout]     |
[INFO] [stdout] 460 |         let mut children = self.child_indices(root);
[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: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:471:13
[INFO] [stdout]     |
[INFO] [stdout] 471 |         let mut children = self.child_indices(root);
[INFO] [stdout]     |             ----^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `EuclideanMetric` is never constructed
[INFO] [stdout]  --> src/metric.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct EuclideanMetric<T> {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `WeightedEuclideanMetric` is never constructed
[INFO] [stdout]   --> src/metric.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct WeightedEuclideanMetric<T> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/metric.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl<T> WeightedEuclideanMetric<T> {
[INFO] [stdout]    | ---------------------------------- associated function in this implementation
[INFO] [stdout] 30 |     pub fn new(weights: T) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.56s
[INFO] running `Command { std: "docker" "inspect" "9e35396bda8cfd892c5ee6fe8eb2f0ac0eb1fc9448b106779970bb8ec28eb38f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e35396bda8cfd892c5ee6fe8eb2f0ac0eb1fc9448b106779970bb8ec28eb38f", kill_on_drop: false }`
[INFO] [stdout] 9e35396bda8cfd892c5ee6fe8eb2f0ac0eb1fc9448b106779970bb8ec28eb38f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b554f9ae3d8acbca9924b3e951b649d506c7a39c83f9ef2b2925b367ca630d1
[INFO] running `Command { std: "docker" "start" "-a" "3b554f9ae3d8acbca9924b3e951b649d506c7a39c83f9ef2b2925b367ca630d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling vp-avl v0.1.11 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `metric::*`
[INFO] [stdout]  --> src/lib.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use metric::*;
[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 imports: `collections::BinaryHeap` and `marker::PhantomData`
[INFO] [stdout]   --> src/lib.rs:14:11
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::{collections::BinaryHeap, marker::PhantomData};
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `let_chains` has been stable since 1.88.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(let_chains)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `root_dist`
[INFO] [stdout]    --> src/lib.rs:341:17
[INFO] [stdout]     |
[INFO] [stdout] 341 |             let root_dist = self.metric().distance(
[INFO] [stdout]     |                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_root_dist`
[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/lib.rs:460:13
[INFO] [stdout]     |
[INFO] [stdout] 460 |         let mut children = self.child_indices(root);
[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: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:471:13
[INFO] [stdout]     |
[INFO] [stdout] 471 |         let mut children = self.child_indices(root);
[INFO] [stdout]     |             ----^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `EuclideanMetric` is never constructed
[INFO] [stdout]  --> src/metric.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct EuclideanMetric<T> {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `WeightedEuclideanMetric` is never constructed
[INFO] [stdout]   --> src/metric.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct WeightedEuclideanMetric<T> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/metric.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl<T> WeightedEuclideanMetric<T> {
[INFO] [stdout]    | ---------------------------------- associated function in this implementation
[INFO] [stdout] 30 |     pub fn new(weights: T) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `collections::BinaryHeap` and `marker::PhantomData`
[INFO] [stdout]   --> src/lib.rs:14:11
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::{collections::BinaryHeap, marker::PhantomData};
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `let_chains` has been stable since 1.88.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(let_chains)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `point`
[INFO] [stdout]     --> src/lib.rs:1235:18
[INFO] [stdout]      |
[INFO] [stdout] 1235 |             for (point, dist) in tree.nn_dist_iter(p) {
[INFO] [stdout]      |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_point`
[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/lib.rs:1330:13
[INFO] [stdout]      |
[INFO] [stdout] 1330 |         let mut random_points = k_random(1000);
[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: `points`
[INFO] [stdout]     --> src/lib.rs:1428:13
[INFO] [stdout]      |
[INFO] [stdout] 1428 |         let points = k_random(k);
[INFO] [stdout]      |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_points`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `avl`
[INFO] [stdout]     --> src/lib.rs:1435:13
[INFO] [stdout]      |
[INFO] [stdout] 1435 |         let avl = VpAvlVec::bulk_insert(metric, points);
[INFO] [stdout]      |             ^^^ help: if this is intentional, prefix it with an underscore: `_avl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `root_dist`
[INFO] [stdout]    --> src/lib.rs:341:17
[INFO] [stdout]     |
[INFO] [stdout] 341 |             let root_dist = self.metric().distance(
[INFO] [stdout]     |                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_root_dist`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:460:13
[INFO] [stdout]     |
[INFO] [stdout] 460 |         let mut children = self.child_indices(root);
[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/lib.rs:471:13
[INFO] [stdout]     |
[INFO] [stdout] 471 |         let mut children = self.child_indices(root);
[INFO] [stdout]     |             ----^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `Command { std: "docker" "inspect" "3b554f9ae3d8acbca9924b3e951b649d506c7a39c83f9ef2b2925b367ca630d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b554f9ae3d8acbca9924b3e951b649d506c7a39c83f9ef2b2925b367ca630d1", kill_on_drop: false }`
[INFO] [stdout] 3b554f9ae3d8acbca9924b3e951b649d506c7a39c83f9ef2b2925b367ca630d1
