[INFO] fetching crate tree_collections 0.1.8...
[INFO] checking tree_collections-0.1.8 against master#507271bc119683008ec719ecee48814e8ac86c65 for pr-146440
[INFO] extracting crate tree_collections 0.1.8 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate tree_collections 0.1.8
[INFO] finished tweaking crates.io crate tree_collections 0.1.8
[INFO] tweaked toml for crates.io crate tree_collections 0.1.8 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tree_collections 0.1.8 on toolchain 507271bc119683008ec719ecee48814e8ac86c65
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[INFO] crate crates.io crate tree_collections 0.1.8 already has a lockfile, it will not be regenerated
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[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/avlTree.rs:222:18
[INFO] [stdout]     |
[INFO] [stdout] 222 |             Some(mut n) => {
[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: value assigned to `j` is never read
[INFO] [stdout]    --> src/commonTrait.rs:346:25
[INFO] [stdout]     |
[INFO] [stdout] 344 |                         j += 2;
[INFO] [stdout]     |                         ------ `j` is overwritten here before the previous value is read
[INFO] [stdout] 345 |                     } else {
[INFO] [stdout] 346 |                         j += container[i][j].len() - 1;
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this value is reassigned later and never used
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `j` is never read
[INFO] [stdout]    --> src/commonTrait.rs:344:25
[INFO] [stdout]     |
[INFO] [stdout] 344 |                         j += 2;
[INFO] [stdout]     |                         ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/avlTree.rs:222:18
[INFO] [stdout]     |
[INFO] [stdout] 222 |             Some(mut n) => {
[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: method `is_balanced` is never used
[INFO] [stdout]    --> src/avlTree.rs:326:8
[INFO] [stdout]     |
[INFO] [stdout]  68 | impl<T: Ord + Copy + Debug + Display> AVLTree<T> {
[INFO] [stdout]     | ------------------------------------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 326 |     fn is_balanced(&self, node: OptionAVLTreeNode<T>) -> 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: associated functions `new_black_with_parent`, `reverse_color`, and `get_uncle` are never used
[INFO] [stdout]    --> src/rbTree.rs:231:8
[INFO] [stdout]     |
[INFO] [stdout] 206 | impl<T: Ord + Copy + Debug + Display> TreeNode<T> {
[INFO] [stdout]     | ------------------------------------------------- associated functions in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 231 |     fn new_black_with_parent(value: T, parent: OptionRBTreeNode<T>) -> Self {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 685 |     fn reverse_color(node: RBTreeNode<T>) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 703 |     fn get_uncle(node: RBTreeNode<T>) -> OptionRBTreeNode<T> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `avlTree` should have a snake case name
[INFO] [stdout]  --> src/lib.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod avlTree;
[INFO] [stdout]   |         ^^^^^^^ help: convert the identifier to snake case: `avl_tree`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `bsTree` should have a snake case name
[INFO] [stdout]  --> src/lib.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub mod bsTree;
[INFO] [stdout]   |         ^^^^^^ help: convert the identifier to snake case: `bs_tree`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `commonTrait` should have a snake case name
[INFO] [stdout]  --> src/lib.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub mod commonTrait;
[INFO] [stdout]   |         ^^^^^^^^^^^ help: convert the identifier to snake case: `common_trait`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `rbTree` should have a snake case name
[INFO] [stdout]  --> src/lib.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub mod rbTree;
[INFO] [stdout]   |         ^^^^^^ help: convert the identifier to snake case: `rb_tree`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `rbTreeFast` should have a snake case name
[INFO] [stdout]  --> src/lib.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub mod rbTreeFast;
[INFO] [stdout]   |         ^^^^^^^^^^ help: convert the identifier to snake case: `rb_tree_fast`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on generic parameters in type aliases are not enforced
[INFO] [stdout]   --> src/rbTreeFast.rs:39:24
[INFO] [stdout]    |
[INFO] [stdout] 39 | type FastRBTreeNode<T: Ord + Copy + Debug + Display> = Rc<RefCell<TreeNode<T>>>;
[INFO] [stdout]    |                        ^^^   ^^^^   ^^^^^   ^^^^^^^ will not be checked at usage sites of the type alias
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is a known limitation of the type checker that may be lifted in a future edition.
[INFO] [stdout]            see issue #112792 <https://github.com/rust-lang/rust/issues/112792> for more information
[INFO] [stdout]    = help: add `#![feature(lazy_type_alias)]` to the crate attributes to enable the desired semantics
[INFO] [stdout]    = note: `#[warn(type_alias_bounds)]` on by default
[INFO] [stdout] help: remove this bound
[INFO] [stdout]    |
[INFO] [stdout] 39 - type FastRBTreeNode<T: Ord + Copy + Debug + Display> = Rc<RefCell<TreeNode<T>>>;
[INFO] [stdout] 39 + type FastRBTreeNode<T> = Rc<RefCell<TreeNode<T>>>;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on generic parameters in type aliases are not enforced
[INFO] [stdout]   --> src/rbTreeFast.rs:40:30
[INFO] [stdout]    |
[INFO] [stdout] 40 | type OptionFastRBTreeNode<T: Ord + Copy + Debug + Display> = Option<FastRBTreeNode<T>>;
[INFO] [stdout]    |                              ^^^   ^^^^   ^^^^^   ^^^^^^^ will not be checked at usage sites of the type alias
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is a known limitation of the type checker that may be lifted in a future edition.
[INFO] [stdout]            see issue #112792 <https://github.com/rust-lang/rust/issues/112792> for more information
[INFO] [stdout]    = help: add `#![feature(lazy_type_alias)]` to the crate attributes to enable the desired semantics
[INFO] [stdout] help: remove this bound
[INFO] [stdout]    |
[INFO] [stdout] 40 - type OptionFastRBTreeNode<T: Ord + Copy + Debug + Display> = Option<FastRBTreeNode<T>>;
[INFO] [stdout] 40 + type OptionFastRBTreeNode<T> = Option<FastRBTreeNode<T>>;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `j` is never read
[INFO] [stdout]    --> src/commonTrait.rs:346:25
[INFO] [stdout]     |
[INFO] [stdout] 344 |                         j += 2;
[INFO] [stdout]     |                         ------ `j` is overwritten here before the previous value is read
[INFO] [stdout] 345 |                     } else {
[INFO] [stdout] 346 |                         j += container[i][j].len() - 1;
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this value is reassigned later and never used
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `j` is never read
[INFO] [stdout]    --> src/commonTrait.rs:344:25
[INFO] [stdout]     |
[INFO] [stdout] 344 |                         j += 2;
[INFO] [stdout]     |                         ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `reverse_color` and `get_uncle` are never used
[INFO] [stdout]    --> src/rbTree.rs:685:8
[INFO] [stdout]     |
[INFO] [stdout] 206 | impl<T: Ord + Copy + Debug + Display> TreeNode<T> {
[INFO] [stdout]     | ------------------------------------------------- associated functions in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 685 |     fn reverse_color(node: RBTreeNode<T>) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 703 |     fn get_uncle(node: RBTreeNode<T>) -> OptionRBTreeNode<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: module `avlTree` should have a snake case name
[INFO] [stdout]  --> src/lib.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod avlTree;
[INFO] [stdout]   |         ^^^^^^^ help: convert the identifier to snake case: `avl_tree`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `bsTree` should have a snake case name
[INFO] [stdout]  --> src/lib.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub mod bsTree;
[INFO] [stdout]   |         ^^^^^^ help: convert the identifier to snake case: `bs_tree`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `commonTrait` should have a snake case name
[INFO] [stdout]  --> src/lib.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub mod commonTrait;
[INFO] [stdout]   |         ^^^^^^^^^^^ help: convert the identifier to snake case: `common_trait`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `rbTree` should have a snake case name
[INFO] [stdout]  --> src/lib.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub mod rbTree;
[INFO] [stdout]   |         ^^^^^^ help: convert the identifier to snake case: `rb_tree`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `rbTreeFast` should have a snake case name
[INFO] [stdout]  --> src/lib.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub mod rbTreeFast;
[INFO] [stdout]   |         ^^^^^^^^^^ help: convert the identifier to snake case: `rb_tree_fast`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on generic parameters in type aliases are not enforced
[INFO] [stdout]   --> src/rbTreeFast.rs:39:24
[INFO] [stdout]    |
[INFO] [stdout] 39 | type FastRBTreeNode<T: Ord + Copy + Debug + Display> = Rc<RefCell<TreeNode<T>>>;
[INFO] [stdout]    |                        ^^^   ^^^^   ^^^^^   ^^^^^^^ will not be checked at usage sites of the type alias
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is a known limitation of the type checker that may be lifted in a future edition.
[INFO] [stdout]            see issue #112792 <https://github.com/rust-lang/rust/issues/112792> for more information
[INFO] [stdout]    = help: add `#![feature(lazy_type_alias)]` to the crate attributes to enable the desired semantics
[INFO] [stdout]    = note: `#[warn(type_alias_bounds)]` on by default
[INFO] [stdout] help: remove this bound
[INFO] [stdout]    |
[INFO] [stdout] 39 - type FastRBTreeNode<T: Ord + Copy + Debug + Display> = Rc<RefCell<TreeNode<T>>>;
[INFO] [stdout] 39 + type FastRBTreeNode<T> = Rc<RefCell<TreeNode<T>>>;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on generic parameters in type aliases are not enforced
[INFO] [stdout]   --> src/rbTreeFast.rs:40:30
[INFO] [stdout]    |
[INFO] [stdout] 40 | type OptionFastRBTreeNode<T: Ord + Copy + Debug + Display> = Option<FastRBTreeNode<T>>;
[INFO] [stdout]    |                              ^^^   ^^^^   ^^^^^   ^^^^^^^ will not be checked at usage sites of the type alias
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is a known limitation of the type checker that may be lifted in a future edition.
[INFO] [stdout]            see issue #112792 <https://github.com/rust-lang/rust/issues/112792> for more information
[INFO] [stdout]    = help: add `#![feature(lazy_type_alias)]` to the crate attributes to enable the desired semantics
[INFO] [stdout] help: remove this bound
[INFO] [stdout]    |
[INFO] [stdout] 40 - type OptionFastRBTreeNode<T: Ord + Copy + Debug + Display> = Option<FastRBTreeNode<T>>;
[INFO] [stdout] 40 + type OptionFastRBTreeNode<T> = Option<FastRBTreeNode<T>>;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> benches/benchmarks.rs:9:18
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct MyRng(MyRngSeed);
[INFO] [stdout]   |            ----- ^^^^^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.16s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.5
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "deafe8badbd5c7ad377594e5e8b4550c09763aaf41c90eca8290f15f42ef404e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "deafe8badbd5c7ad377594e5e8b4550c09763aaf41c90eca8290f15f42ef404e", kill_on_drop: false }`
[INFO] [stdout] deafe8badbd5c7ad377594e5e8b4550c09763aaf41c90eca8290f15f42ef404e
