[INFO] fetching crate tree_collections 0.1.8...
[INFO] testing tree_collections-0.1.8 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate tree_collections 0.1.8 into /workspace/builds/worker-1-tc2/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-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tree_collections 0.1.8 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tree_collections 0.1.8 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 62044c6dbc260d933daeaf4bc884c8335e966630e5f83a6bbc713e88c23ca5b1
[INFO] running `Command { std: "docker" "start" "-a" "62044c6dbc260d933daeaf4bc884c8335e966630e5f83a6bbc713e88c23ca5b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "62044c6dbc260d933daeaf4bc884c8335e966630e5f83a6bbc713e88c23ca5b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62044c6dbc260d933daeaf4bc884c8335e966630e5f83a6bbc713e88c23ca5b1", kill_on_drop: false }`
[INFO] [stdout] 62044c6dbc260d933daeaf4bc884c8335e966630e5f83a6bbc713e88c23ca5b1
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[INFO] [stdout] 6ed3e5c89471478002be9bd41205225d4c9ea3b37b8845f7620ba9ca67aac0ed
[INFO] running `Command { std: "docker" "start" "-a" "6ed3e5c89471478002be9bd41205225d4c9ea3b37b8845f7620ba9ca67aac0ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.109
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling serde v1.0.131
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[INFO] [stderr]    Compiling ryu v1.0.6
[INFO] [stderr]    Compiling memchr v2.4.1
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[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling serde_json v1.0.72
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling either v1.6.1
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[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
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[INFO] [stderr]    Compiling serde_derive v1.0.131
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[INFO] [stderr]    Compiling rand_core v0.5.1
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[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling criterion-plot v0.4.4
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.3.5
[INFO] [stderr]    Compiling tree_collections v0.1.8 (/opt/rustwide/workdir)
[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] 346 |                         j += container[i][j].len() - 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: 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: 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]    |                      --^^^---^^^^---^^^^^---^^^^^^^
[INFO] [stdout]    |                      |                      |
[INFO] [stdout]    |                      |                      will not be checked at usage sites of the type alias
[INFO] [stdout]    |                      help: remove this bound
[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] 
[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]    |                            --^^^---^^^^---^^^^^---^^^^^^^
[INFO] [stdout]    |                            |                      |
[INFO] [stdout]    |                            |                      will not be checked at usage sites of the type alias
[INFO] [stdout]    |                            help: remove this bound
[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] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 52.07s
[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 2`
[INFO] running `Command { std: "docker" "inspect" "6ed3e5c89471478002be9bd41205225d4c9ea3b37b8845f7620ba9ca67aac0ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ed3e5c89471478002be9bd41205225d4c9ea3b37b8845f7620ba9ca67aac0ed", kill_on_drop: false }`
[INFO] [stdout] 6ed3e5c89471478002be9bd41205225d4c9ea3b37b8845f7620ba9ca67aac0ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] db4fea79b14784a70a3a955f6c24cced67f409b2c006645b37415a4687a6293e
[INFO] running `Command { std: "docker" "start" "-a" "db4fea79b14784a70a3a955f6c24cced67f409b2c006645b37415a4687a6293e", kill_on_drop: false }`
[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] 346 |                         j += container[i][j].len() - 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: 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: 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] [stderr]    Compiling tree_collections v0.1.8 (/opt/rustwide/workdir)
[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]    |                      --^^^---^^^^---^^^^^---^^^^^^^
[INFO] [stdout]    |                      |                      |
[INFO] [stdout]    |                      |                      will not be checked at usage sites of the type alias
[INFO] [stdout]    |                      help: remove this bound
[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] 
[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]    |                            --^^^---^^^^---^^^^^---^^^^^^^
[INFO] [stdout]    |                            |                      |
[INFO] [stdout]    |                            |                      will not be checked at usage sites of the type alias
[INFO] [stdout]    |                            help: remove this bound
[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] 
[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: value assigned to `j` is never read
[INFO] [stdout]    --> src/commonTrait.rs:346:25
[INFO] [stdout]     |
[INFO] [stdout] 346 |                         j += container[i][j].len() - 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: 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]    |                      --^^^---^^^^---^^^^^---^^^^^^^
[INFO] [stdout]    |                      |                      |
[INFO] [stdout]    |                      |                      will not be checked at usage sites of the type alias
[INFO] [stdout]    |                      help: remove this bound
[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] 
[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]    |                            --^^^---^^^^---^^^^^---^^^^^^^
[INFO] [stdout]    |                            |                      |
[INFO] [stdout]    |                            |                      will not be checked at usage sites of the type alias
[INFO] [stdout]    |                            help: remove this bound
[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] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.41s
[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 2`
[INFO] running `Command { std: "docker" "inspect" "db4fea79b14784a70a3a955f6c24cced67f409b2c006645b37415a4687a6293e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db4fea79b14784a70a3a955f6c24cced67f409b2c006645b37415a4687a6293e", kill_on_drop: false }`
[INFO] [stdout] db4fea79b14784a70a3a955f6c24cced67f409b2c006645b37415a4687a6293e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d3b4e9a09fdbcf71518413f1c917b428d682635de3ec1ddbd10af39c421c59b7
[INFO] running `Command { std: "docker" "start" "-a" "d3b4e9a09fdbcf71518413f1c917b428d682635de3ec1ddbd10af39c421c59b7", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/avlTree.rs:222:18
[INFO] [stderr]     |
[INFO] [stderr] 222 |             Some(mut n) => {
[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: value assigned to `j` is never read
[INFO] [stderr]    --> src/commonTrait.rs:346:25
[INFO] [stderr]     |
[INFO] [stderr] 346 |                         j += container[i][j].len() - 1;
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `j` is never read
[INFO] [stderr]    --> src/commonTrait.rs:344:25
[INFO] [stderr]     |
[INFO] [stderr] 344 |                         j += 2;
[INFO] [stderr]     |                         ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: method `is_balanced` is never used
[INFO] [stderr]    --> src/avlTree.rs:326:8
[INFO] [stderr]     |
[INFO] [stderr]  68 | impl<T: Ord + Copy + Debug + Display> AVLTree<T> {
[INFO] [stderr]     | ------------------------------------------------ method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 326 |     fn is_balanced(&self, node: OptionAVLTreeNode<T>) -> bool {
[INFO] [stderr]     |        ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated functions `new_black_with_parent`, `reverse_color`, and `get_uncle` are never used
[INFO] [stderr]    --> src/rbTree.rs:231:8
[INFO] [stderr]     |
[INFO] [stderr] 206 | impl<T: Ord + Copy + Debug + Display> TreeNode<T> {
[INFO] [stderr]     | ------------------------------------------------- associated functions in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 231 |     fn new_black_with_parent(value: T, parent: OptionRBTreeNode<T>) -> Self {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 685 |     fn reverse_color(node: RBTreeNode<T>) {
[INFO] [stderr]     |        ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 703 |     fn get_uncle(node: RBTreeNode<T>) -> OptionRBTreeNode<T> {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: module `avlTree` should have a snake case name
[INFO] [stderr]  --> src/lib.rs:1:9
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub mod avlTree;
[INFO] [stderr]   |         ^^^^^^^ help: convert the identifier to snake case: `avl_tree`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: module `bsTree` should have a snake case name
[INFO] [stderr]  --> src/lib.rs:2:9
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub mod bsTree;
[INFO] [stderr]   |         ^^^^^^ help: convert the identifier to snake case: `bs_tree`
[INFO] [stderr] 
[INFO] [stderr] warning: module `commonTrait` should have a snake case name
[INFO] [stderr]  --> src/lib.rs:3:9
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub mod commonTrait;
[INFO] [stderr]   |         ^^^^^^^^^^^ help: convert the identifier to snake case: `common_trait`
[INFO] [stderr] 
[INFO] [stderr] warning: module `rbTree` should have a snake case name
[INFO] [stderr]  --> src/lib.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub mod rbTree;
[INFO] [stderr]   |         ^^^^^^ help: convert the identifier to snake case: `rb_tree`
[INFO] [stderr] 
[INFO] [stderr] warning: module `rbTreeFast` should have a snake case name
[INFO] [stderr]  --> src/lib.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub mod rbTreeFast;
[INFO] [stderr]   |         ^^^^^^^^^^ help: convert the identifier to snake case: `rb_tree_fast`
[INFO] [stderr] 
[INFO] [stderr] warning: bounds on generic parameters in type aliases are not enforced
[INFO] [stderr]   --> src/rbTreeFast.rs:39:24
[INFO] [stderr]    |
[INFO] [stderr] 39 | type FastRBTreeNode<T: Ord + Copy + Debug + Display> = Rc<RefCell<TreeNode<T>>>;
[INFO] [stderr]    |                      --^^^---^^^^---^^^^^---^^^^^^^
[INFO] [stderr]    |                      |                      |
[INFO] [stderr]    |                      |                      will not be checked at usage sites of the type alias
[INFO] [stderr]    |                      help: remove this bound
[INFO] [stderr]    |
[INFO] [stderr]    = note: this is a known limitation of the type checker that may be lifted in a future edition.
[INFO] [stderr]            see issue #112792 <https://github.com/rust-lang/rust/issues/112792> for more information
[INFO] [stderr]    = help: add `#![feature(lazy_type_alias)]` to the crate attributes to enable the desired semantics
[INFO] [stderr]    = note: `#[warn(type_alias_bounds)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: bounds on generic parameters in type aliases are not enforced
[INFO] [stderr]   --> src/rbTreeFast.rs:40:30
[INFO] [stderr]    |
[INFO] [stderr] 40 | type OptionFastRBTreeNode<T: Ord + Copy + Debug + Display> = Option<FastRBTreeNode<T>>;
[INFO] [stderr]    |                            --^^^---^^^^---^^^^^---^^^^^^^
[INFO] [stderr]    |                            |                      |
[INFO] [stderr]    |                            |                      will not be checked at usage sites of the type alias
[INFO] [stderr]    |                            help: remove this bound
[INFO] [stderr]    |
[INFO] [stderr]    = note: this is a known limitation of the type checker that may be lifted in a future edition.
[INFO] [stderr]            see issue #112792 <https://github.com/rust-lang/rust/issues/112792> for more information
[INFO] [stderr]    = help: add `#![feature(lazy_type_alias)]` to the crate attributes to enable the desired semantics
[INFO] [stderr] 
[INFO] [stderr] warning: associated functions `reverse_color` and `get_uncle` are never used
[INFO] [stderr]    --> src/rbTree.rs:685:8
[INFO] [stderr]     |
[INFO] [stderr] 206 | impl<T: Ord + Copy + Debug + Display> TreeNode<T> {
[INFO] [stderr]     | ------------------------------------------------- associated functions in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 685 |     fn reverse_color(node: RBTreeNode<T>) {
[INFO] [stderr]     |        ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 703 |     fn get_uncle(node: RBTreeNode<T>) -> OptionRBTreeNode<T> {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `tree_collections` (lib) generated 12 warnings (run `cargo fix --lib -p tree_collections` to apply 3 suggestions)
[INFO] [stderr] warning: `tree_collections` (lib test) generated 11 warnings (10 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[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 2`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tree_collections-aa3324c29bc8ecea)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test avlTree::test::test_delete ... ok
[INFO] [stdout] test avlTree::test::test_insert ... ok
[INFO] [stdout] test avlTree::test::tree_traversal ... ok
[INFO] [stdout] test bsTree::test::test_delete ... ok
[INFO] [stdout] test bsTree::test::test_insert ... ok
[INFO] [stdout] test rbTree::test::tree_traversal ... ok
[INFO] [stdout] test rbTree::test::test_delete ... ok
[INFO] [stdout] test rbTreeFast::test::test_insert ... ok
[INFO] [stdout] test rbTreeFast::test::tree_traversal ... ok
[INFO] [stdout] test rbTree::test::test_rotation ... ok
[INFO] [stdout] test rbTree::test::test_insert ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/tree_collections-84d89d69623b090f)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tree_collections
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test src/commonTrait.rs - commonTrait::CommonTreeTrait::contains (line 131) - compile fail ... ok
[INFO] [stdout] test src/commonTrait.rs - commonTrait::CommonTreeTrait::count_leaves (line 19) - compile fail ... ok
[INFO] [stdout] test src/commonTrait.rs - commonTrait::CommonTreeTrait::height (line 44) - compile fail ... ok
[INFO] [stdout] test src/avlTree.rs - avlTree::AVLTree<T>::new (line 73) ... ok
[INFO] [stdout] test src/commonTrait.rs - commonTrait::CommonTreeTrait::in_order_traversal (line 65) - compile fail ... ok
[INFO] [stdout] test src/commonTrait.rs - commonTrait::CommonTreeTrait::pre_order_traversal (line 98) - compile fail ... ok
[INFO] [stdout] test src/bsTree.rs - bsTree::BSTree<T>::insert (line 73) ... ok
[INFO] [stdout] test src/bsTree.rs - bsTree::BSTree<T>::new (line 61) ... ok
[INFO] [stdout] test src/avlTree.rs - avlTree::AVLTree<T>::is_tree_empty (line 109) ... ok
[INFO] [stdout] test src/bsTree.rs - bsTree::BSTree<T>::delete (line 90) ... ok
[INFO] [stdout] test src/rbTreeFast.rs - rbTreeFast::FastRBTree<T>::new (line 125) ... ok
[INFO] [stdout] test src/rbTree.rs - rbTree::RBTree<T>::new (line 133) ... ok
[INFO] [stdout] test src/rbTree.rs - rbTree::RBTree<T>::delete (line 164) ... ok
[INFO] [stdout] test src/rbTreeFast.rs - rbTreeFast::FastRBTree<T>::insert (line 137) ... ok
[INFO] [stdout] test src/rbTree.rs - rbTree::RBTree<T>::insert (line 145) ... ok
[INFO] [stdout] test src/rbTreeFast.rs - rbTreeFast::FastRBTree<T>::delete (line 151) ... ok
[INFO] [stdout] test src/avlTree.rs - avlTree::AVLTree<T>::delete (line 203) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.41s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d3b4e9a09fdbcf71518413f1c917b428d682635de3ec1ddbd10af39c421c59b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3b4e9a09fdbcf71518413f1c917b428d682635de3ec1ddbd10af39c421c59b7", kill_on_drop: false }`
[INFO] [stdout] d3b4e9a09fdbcf71518413f1c917b428d682635de3ec1ddbd10af39c421c59b7
