[INFO] cloning repository https://github.com/zhanto97/concurrent-hash-table
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zhanto97/concurrent-hash-table" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhanto97%2Fconcurrent-hash-table", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhanto97%2Fconcurrent-hash-table'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 75c39f07f76dfa47f489c129c47593141b36a602
[INFO] checking zhanto97/concurrent-hash-table against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124157
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhanto97%2Fconcurrent-hash-table" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zhanto97/concurrent-hash-table on toolchain c2f2db79ca3024f68d22b45aa22b570775c2c4ad
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zhanto97/concurrent-hash-table
[INFO] finished tweaking git repo https://github.com/zhanto97/concurrent-hash-table
[INFO] tweaked toml for git repo https://github.com/zhanto97/concurrent-hash-table written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/zhanto97/concurrent-hash-table 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" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/kaist-cp/cs492-concur`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 099a806835c7fbc16c0398f467e02c47ddde474e9e8fc13e198f28f6d9c1395f
[INFO] running `Command { std: "docker" "start" "-a" "099a806835c7fbc16c0398f467e02c47ddde474e9e8fc13e198f28f6d9c1395f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "099a806835c7fbc16c0398f467e02c47ddde474e9e8fc13e198f28f6d9c1395f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "099a806835c7fbc16c0398f467e02c47ddde474e9e8fc13e198f28f6d9c1395f", kill_on_drop: false }`
[INFO] [stdout] 099a806835c7fbc16c0398f467e02c47ddde474e9e8fc13e198f28f6d9c1395f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c416b3b485df6939a9a63034041e35966a33b215ceb6f5a695c2590d1223fd8e
[INFO] running `Command { std: "docker" "start" "-a" "c416b3b485df6939a9a63034041e35966a33b215ceb6f5a695c2590d1223fd8e", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling const_fn v0.4.4
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking crossbeam-epoch v0.9.1
[INFO] [stderr]     Checking lock v0.1.0 (https://github.com/kaist-cp/cs492-concur#d96c99ab)
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking lockfree v0.1.0 (https://github.com/kaist-cp/cs492-concur#d96c99ab)
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking ctrlc v3.1.7
[INFO] [stderr]    Compiling arr_macro_impl v0.1.3
[INFO] [stderr]     Checking arr_macro v0.1.3
[INFO] [stderr]     Checking cs492-concur-homework v0.1.0 (https://github.com/kaist-cp/cs492-concur#d96c99ab)
[INFO] [stderr]     Checking hash_table v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Shared`
[INFO] [stdout]  --> src/growable_array.rs:6:67
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crossbeam_epoch::{unprotected, Atomic, Guard, Owned, Pointer, Shared};
[INFO] [stdout]   |                                                                   ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::mem`
[INFO] [stdout]  --> src/split_ordered_list.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use core::mem;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Shared`
[INFO] [stdout]  --> src/growable_array.rs:6:67
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crossbeam_epoch::{unprotected, Atomic, Guard, Owned, Pointer, Shared};
[INFO] [stdout]   |                                                                   ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::mem`
[INFO] [stdout]  --> src/split_ordered_list.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use core::mem;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/split_ordered_list.rs:51:16
[INFO] [stdout]    |
[INFO] [stdout] 51 |             if (parent <= bucket_index) {
[INFO] [stdout]    |                ^                      ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 51 -             if (parent <= bucket_index) {
[INFO] [stdout] 51 +             if parent <= bucket_index {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/split_ordered_list.rs:67:20
[INFO] [stdout]    |
[INFO] [stdout] 67 |                 if (found) {
[INFO] [stdout]    |                    ^     ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 67 -                 if (found) {
[INFO] [stdout] 67 +                 if found {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/split_ordered_list.rs:89:12
[INFO] [stdout]    |
[INFO] [stdout] 89 |         if (bucket_index == 0 && current.is_null()) {
[INFO] [stdout]    |            ^                                      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 89 -         if (bucket_index == 0 && current.is_null()) {
[INFO] [stdout] 89 +         if bucket_index == 0 && current.is_null() {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/split_ordered_list.rs:106:12
[INFO] [stdout]     |
[INFO] [stdout] 106 |         if (parent.is_null()) {
[INFO] [stdout]     |            ^                ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 106 -         if (parent.is_null()) {
[INFO] [stdout] 106 +         if parent.is_null() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/split_ordered_list.rs:120:12
[INFO] [stdout]     |
[INFO] [stdout] 120 |         if (pointer.is_null()) {
[INFO] [stdout]     |            ^                 ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 120 -         if (pointer.is_null()) {
[INFO] [stdout] 120 +         if pointer.is_null() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/split_ordered_list.rs:179:16
[INFO] [stdout]     |
[INFO] [stdout] 179 |             if (found) {
[INFO] [stdout]     |                ^     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 179 -             if (found) {
[INFO] [stdout] 179 +             if found {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/split_ordered_list.rs:193:12
[INFO] [stdout]     |
[INFO] [stdout] 193 |         if (count / size > SplitOrderedList::<V>::LOAD_FACTOR) {
[INFO] [stdout]     |            ^                                                 ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 193 -         if (count / size > SplitOrderedList::<V>::LOAD_FACTOR) {
[INFO] [stdout] 193 +         if count / size > SplitOrderedList::<V>::LOAD_FACTOR {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/split_ordered_list.rs:51:16
[INFO] [stdout]    |
[INFO] [stdout] 51 |             if (parent <= bucket_index) {
[INFO] [stdout]    |                ^                      ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 51 -             if (parent <= bucket_index) {
[INFO] [stdout] 51 +             if parent <= bucket_index {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/split_ordered_list.rs:67:20
[INFO] [stdout]    |
[INFO] [stdout] 67 |                 if (found) {
[INFO] [stdout]    |                    ^     ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 67 -                 if (found) {
[INFO] [stdout] 67 +                 if found {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/split_ordered_list.rs:89:12
[INFO] [stdout]    |
[INFO] [stdout] 89 |         if (bucket_index == 0 && current.is_null()) {
[INFO] [stdout]    |            ^                                      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 89 -         if (bucket_index == 0 && current.is_null()) {
[INFO] [stdout] 89 +         if bucket_index == 0 && current.is_null() {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/split_ordered_list.rs:106:12
[INFO] [stdout]     |
[INFO] [stdout] 106 |         if (parent.is_null()) {
[INFO] [stdout]     |            ^                ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 106 -         if (parent.is_null()) {
[INFO] [stdout] 106 +         if parent.is_null() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/split_ordered_list.rs:120:12
[INFO] [stdout]     |
[INFO] [stdout] 120 |         if (pointer.is_null()) {
[INFO] [stdout]     |            ^                 ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 120 -         if (pointer.is_null()) {
[INFO] [stdout] 120 +         if pointer.is_null() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/split_ordered_list.rs:179:16
[INFO] [stdout]     |
[INFO] [stdout] 179 |             if (found) {
[INFO] [stdout]     |                ^     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 179 -             if (found) {
[INFO] [stdout] 179 +             if found {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/split_ordered_list.rs:193:12
[INFO] [stdout]     |
[INFO] [stdout] 193 |         if (count / size > SplitOrderedList::<V>::LOAD_FACTOR) {
[INFO] [stdout]     |            ^                                                 ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 193 -         if (count / size > SplitOrderedList::<V>::LOAD_FACTOR) {
[INFO] [stdout] 193 +         if count / size > SplitOrderedList::<V>::LOAD_FACTOR {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/split_ordered_list.rs:194:23
[INFO] [stdout]     |
[INFO] [stdout] 194 |             self.size.compare_and_swap(size, size * 2, Ordering::AcqRel);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/split_ordered_list.rs:194:23
[INFO] [stdout]     |
[INFO] [stdout] 194 |             self.size.compare_and_swap(size, size * 2, Ordering::AcqRel);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/split_ordered_list.rs:85:13
[INFO] [stdout]    |
[INFO] [stdout] 85 |         let mut current = self
[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/split_ordered_list.rs:102:13
[INFO] [stdout]     |
[INFO] [stdout] 102 |         let mut parent = 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/split_ordered_list.rs:124:13
[INFO] [stdout]     |
[INFO] [stdout] 124 |         let mut cursor =
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]    --> src/split_ordered_list.rs:157:14
[INFO] [stdout]     |
[INFO] [stdout] 157 |         let (size, found, cursor) = self.find(key, guard);
[INFO] [stdout]     |              ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/split_ordered_list.rs:85:13
[INFO] [stdout]    |
[INFO] [stdout] 85 |         let mut current = self
[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/split_ordered_list.rs:102:13
[INFO] [stdout]     |
[INFO] [stdout] 102 |         let mut parent = self
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]    --> src/split_ordered_list.rs:178:18
[INFO] [stdout]     |
[INFO] [stdout] 178 |             let (size, found, mut cursor) = self.find(key, guard);
[INFO] [stdout]     |                  ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/split_ordered_list.rs:124:13
[INFO] [stdout]     |
[INFO] [stdout] 124 |         let mut cursor =
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]    --> src/split_ordered_list.rs:203:18
[INFO] [stdout]     |
[INFO] [stdout] 203 |             let (size, found, cursor) = self.find(key, guard);
[INFO] [stdout]     |                  ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]    --> src/split_ordered_list.rs:157:14
[INFO] [stdout]     |
[INFO] [stdout] 157 |         let (size, found, cursor) = self.find(key, guard);
[INFO] [stdout]     |              ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]    --> src/split_ordered_list.rs:178:18
[INFO] [stdout]     |
[INFO] [stdout] 178 |             let (size, found, mut cursor) = self.find(key, guard);
[INFO] [stdout]     |                  ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]    --> src/split_ordered_list.rs:203:18
[INFO] [stdout]     |
[INFO] [stdout] 203 |             let (size, found, cursor) = self.find(key, guard);
[INFO] [stdout]     |                  ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/growable_array.rs:258:17
[INFO] [stdout]     |
[INFO] [stdout] 258 | /                 self.root.compare_and_set(
[INFO] [stdout] 259 | |                     root,
[INFO] [stdout] 260 | |                     new_root.with_tag(new_root_height),
[INFO] [stdout] 261 | |                     Ordering::AcqRel,
[INFO] [stdout] 262 | |                     guard,
[INFO] [stdout] 263 | |                 );
[INFO] [stdout]     | |_________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 258 |                 let _ = self.root.compare_and_set(
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/growable_array.rs:295:17
[INFO] [stdout]     |
[INFO] [stdout] 295 | /                 (*reference).compare_and_set(
[INFO] [stdout] 296 | |                     temp,
[INFO] [stdout] 297 | |                     new_child.with_tag(new_child_height),
[INFO] [stdout] 298 | |                     Ordering::AcqRel,
[INFO] [stdout] 299 | |                     guard,
[INFO] [stdout] 300 | |                 );
[INFO] [stdout]     | |_________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 295 |                 let _ = (*reference).compare_and_set(
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/growable_array.rs:314:13
[INFO] [stdout]     |
[INFO] [stdout] 314 | /             self.root.compare_and_set(
[INFO] [stdout] 315 | |                 root,
[INFO] [stdout] 316 | |                 new_root.with_tag(new_root_height),
[INFO] [stdout] 317 | |                 Ordering::AcqRel,
[INFO] [stdout] 318 | |                 guard,
[INFO] [stdout] 319 | |             );
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 314 |             let _ = self.root.compare_and_set(
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/split_ordered_list.rs:92:17
[INFO] [stdout]    |
[INFO] [stdout] 92 | /                 self.buckets.get(0, guard).compare_and_set(
[INFO] [stdout] 93 | |                     current,
[INFO] [stdout] 94 | |                     cursor.curr(),
[INFO] [stdout] 95 | |                     Ordering::AcqRel,
[INFO] [stdout] 96 | |                     guard,
[INFO] [stdout] 97 | |                 );
[INFO] [stdout]    | |_________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 92 |                 let _ = self.buckets.get(0, guard).compare_and_set(
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/growable_array.rs:258:17
[INFO] [stdout]     |
[INFO] [stdout] 258 | /                 self.root.compare_and_set(
[INFO] [stdout] 259 | |                     root,
[INFO] [stdout] 260 | |                     new_root.with_tag(new_root_height),
[INFO] [stdout] 261 | |                     Ordering::AcqRel,
[INFO] [stdout] 262 | |                     guard,
[INFO] [stdout] 263 | |                 );
[INFO] [stdout]     | |_________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 258 |                 let _ = self.root.compare_and_set(
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/growable_array.rs:295:17
[INFO] [stdout]     |
[INFO] [stdout] 295 | /                 (*reference).compare_and_set(
[INFO] [stdout] 296 | |                     temp,
[INFO] [stdout] 297 | |                     new_child.with_tag(new_child_height),
[INFO] [stdout] 298 | |                     Ordering::AcqRel,
[INFO] [stdout] 299 | |                     guard,
[INFO] [stdout] 300 | |                 );
[INFO] [stdout]     | |_________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 295 |                 let _ = (*reference).compare_and_set(
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/growable_array.rs:314:13
[INFO] [stdout]     |
[INFO] [stdout] 314 | /             self.root.compare_and_set(
[INFO] [stdout] 315 | |                 root,
[INFO] [stdout] 316 | |                 new_root.with_tag(new_root_height),
[INFO] [stdout] 317 | |                 Ordering::AcqRel,
[INFO] [stdout] 318 | |                 guard,
[INFO] [stdout] 319 | |             );
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 314 |             let _ = self.root.compare_and_set(
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/split_ordered_list.rs:92:17
[INFO] [stdout]    |
[INFO] [stdout] 92 | /                 self.buckets.get(0, guard).compare_and_set(
[INFO] [stdout] 93 | |                     current,
[INFO] [stdout] 94 | |                     cursor.curr(),
[INFO] [stdout] 95 | |                     Ordering::AcqRel,
[INFO] [stdout] 96 | |                     guard,
[INFO] [stdout] 97 | |                 );
[INFO] [stdout]    | |_________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 92 |                 let _ = self.buckets.get(0, guard).compare_and_set(
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.38s
[INFO] running `Command { std: "docker" "inspect" "c416b3b485df6939a9a63034041e35966a33b215ceb6f5a695c2590d1223fd8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c416b3b485df6939a9a63034041e35966a33b215ceb6f5a695c2590d1223fd8e", kill_on_drop: false }`
[INFO] [stdout] c416b3b485df6939a9a63034041e35966a33b215ceb6f5a695c2590d1223fd8e
