[INFO] cloning repository https://github.com/samgans/rust_rtree
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/samgans/rust_rtree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamgans%2Frust_rtree", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamgans%2Frust_rtree'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6e4f61745b0f14b78a48e5ef856dbb7a2663f0fb
[INFO] checking samgans/rust_rtree against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamgans%2Frust_rtree" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/samgans/rust_rtree on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/samgans/rust_rtree
[INFO] finished tweaking git repo https://github.com/samgans/rust_rtree
[INFO] tweaked toml for git repo https://github.com/samgans/rust_rtree written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/samgans/rust_rtree already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 654e637b8395ade0a613dffacd64dc1d7ca87a0035b62b2f2a6f902929999de4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "654e637b8395ade0a613dffacd64dc1d7ca87a0035b62b2f2a6f902929999de4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "654e637b8395ade0a613dffacd64dc1d7ca87a0035b62b2f2a6f902929999de4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "654e637b8395ade0a613dffacd64dc1d7ca87a0035b62b2f2a6f902929999de4", kill_on_drop: false }`
[INFO] [stdout] 654e637b8395ade0a613dffacd64dc1d7ca87a0035b62b2f2a6f902929999de4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0476c104c42432bcca027553d9669e3f521d754ecaf27ca9cc220d5edaa6320b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0476c104c42432bcca027553d9669e3f521d754ecaf27ca9cc220d5edaa6320b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.92
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking rtree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Debug`, `Display`, `Formatter`
[INFO] [stdout]  --> src/rtree/lib.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fmt::{Display, Debug, Formatter};
[INFO] [stdout]   |                ^^^^^^^  ^^^^^  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::Result as FmtResult`
[INFO] [stdout]  --> src/rtree/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fmt::Result as FmtResult;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TreeGeometry`
[INFO] [stdout]  --> src/rtree/geometries.rs:8:44
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::nodes::{RtreeNode, RtreeObject, TreeGeometry, TreeNode};
[INFO] [stdout]   |                                            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Debug`
[INFO] [stdout]  --> src/rtree/nodes.rs:2:25
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fmt::{Display, Debug, Formatter};
[INFO] [stdout]   |                         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::mem::MaybeUninit`
[INFO] [stdout]  --> src/rtree/nodes.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::mem::MaybeUninit;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `INF`, `NEGINF`
[INFO] [stdout]  --> src/rtree/nodes.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::{INF, NEGINF};
[INFO] [stdout]   |             ^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::split::RtreeSplit`
[INFO] [stdout]  --> src/rtree/nodes.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::split::RtreeSplit;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BoundingRectangle`
[INFO] [stdout]  --> src/rtree/split.rs:3:25
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::geometries::{BoundingRectangle, RtreeGeometry};
[INFO] [stdout]   |                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/rtree/utils.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `RtreeNode`, `TreeGeometry`
[INFO] [stdout]  --> src/rtree/utils.rs:8:20
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::nodes::{RtreeNode, RtreeObject, TreeGeometry, TreeNode};
[INFO] [stdout]   |                    ^^^^^^^^^               ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Debug`, `Display`, `Formatter`
[INFO] [stdout]  --> src/rtree/lib.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fmt::{Display, Debug, Formatter};
[INFO] [stdout]   |                ^^^^^^^  ^^^^^  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::Result as FmtResult`
[INFO] [stdout]  --> src/rtree/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fmt::Result as FmtResult;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TreeGeometry`
[INFO] [stdout]  --> src/rtree/geometries.rs:8:44
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::nodes::{RtreeNode, RtreeObject, TreeGeometry, TreeNode};
[INFO] [stdout]   |                                            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Debug`
[INFO] [stdout]  --> src/rtree/nodes.rs:2:25
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fmt::{Display, Debug, Formatter};
[INFO] [stdout]   |                         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::mem::MaybeUninit`
[INFO] [stdout]  --> src/rtree/nodes.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::mem::MaybeUninit;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `INF`, `NEGINF`
[INFO] [stdout]  --> src/rtree/nodes.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::{INF, NEGINF};
[INFO] [stdout]   |             ^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::split::RtreeSplit`
[INFO] [stdout]  --> src/rtree/nodes.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::split::RtreeSplit;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BoundingRectangle`
[INFO] [stdout]  --> src/rtree/split.rs:3:25
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::geometries::{BoundingRectangle, RtreeGeometry};
[INFO] [stdout]   |                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/rtree/utils.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `RtreeNode`, `TreeGeometry`
[INFO] [stdout]  --> src/rtree/utils.rs:8:20
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::nodes::{RtreeNode, RtreeObject, TreeGeometry, TreeNode};
[INFO] [stdout]   |                    ^^^^^^^^^               ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `parent`
[INFO] [stdout]   --> src/rtree/geometries.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     parent: Option<Weak<RefCell<RtreeNode>>>
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `len`
[INFO] [stdout]   --> src/rtree/nodes.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn len(&self) -> usize {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_node`
[INFO] [stdout]   --> src/rtree/nodes.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 49 |     fn add_node(&mut self, object: TreeNode) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_leaf`
[INFO] [stdout]   --> src/rtree/nodes.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 55 |     fn add_leaf(&mut self, object: TreeGeometry) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RtreeObject`
[INFO] [stdout]  --> src/main.rs:4:45
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rtree::nodes::{ChildrenType, RtreeNode, RtreeObject};
[INFO] [stdout]   |                                             ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut node = Rc::new(RefCell::new(RtreeNode::new(bounding, 4, ChildrenType::Leafs)));
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let mut geometry = Rc::new(RefCell::new(RtreeGeometry::new(vec!((5, 6)))));
[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/main.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let mut geometry_2 = Rc::new(RefCell::new(RtreeGeometry::new(vec!((1, 2), (3, 4), (1, 2)))));
[INFO] [stdout]    |         ----^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `parent`
[INFO] [stdout]   --> src/rtree/geometries.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     parent: Option<Weak<RefCell<RtreeNode>>>
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `len`
[INFO] [stdout]   --> src/rtree/nodes.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn len(&self) -> usize {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_node`
[INFO] [stdout]   --> src/rtree/nodes.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 49 |     fn add_node(&mut self, object: TreeNode) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_leaf`
[INFO] [stdout]   --> src/rtree/nodes.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 55 |     fn add_leaf(&mut self, object: TreeGeometry) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RtreeObject`
[INFO] [stdout]  --> src/main.rs:4:45
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rtree::nodes::{ChildrenType, RtreeNode, RtreeObject};
[INFO] [stdout]   |                                             ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut node = Rc::new(RefCell::new(RtreeNode::new(bounding, 4, ChildrenType::Leafs)));
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let mut geometry = Rc::new(RefCell::new(RtreeGeometry::new(vec!((5, 6)))));
[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/main.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let mut geometry_2 = Rc::new(RefCell::new(RtreeGeometry::new(vec!((1, 2), (3, 4), (1, 2)))));
[INFO] [stdout]    |         ----^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.55s
[INFO] running `Command { std: "docker" "inspect" "0476c104c42432bcca027553d9669e3f521d754ecaf27ca9cc220d5edaa6320b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0476c104c42432bcca027553d9669e3f521d754ecaf27ca9cc220d5edaa6320b", kill_on_drop: false }`
[INFO] [stdout] 0476c104c42432bcca027553d9669e3f521d754ecaf27ca9cc220d5edaa6320b