[INFO] cloning repository https://github.com/genuinebnt/db-labs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/genuinebnt/db-labs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgenuinebnt%2Fdb-labs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgenuinebnt%2Fdb-labs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ede11ea7eb28190f74bc79f70a9a66c682b2895a
[INFO] testing genuinebnt/db-labs against 1.97.0-beta.6 for beta-1.98-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgenuinebnt%2Fdb-labs" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/genuinebnt/db-labs
[INFO] finished tweaking git repo https://github.com/genuinebnt/db-labs
[INFO] tweaked toml for git repo https://github.com/genuinebnt/db-labs written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/genuinebnt/db-labs on toolchain 1.97.0-beta.6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.97.0-beta.6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/genuinebnt/db-labs 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" "+1.97.0-beta.6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 281b650787234fcf97663ae44060fc20975619d1dc77bf02128f395b6a90369b
[INFO] running `Command { std: "docker" "start" "281b650787234fcf97663ae44060fc20975619d1dc77bf02128f395b6a90369b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "281b650787234fcf97663ae44060fc20975619d1dc77bf02128f395b6a90369b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "281b650787234fcf97663ae44060fc20975619d1dc77bf02128f395b6a90369b" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "281b650787234fcf97663ae44060fc20975619d1dc77bf02128f395b6a90369b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "281b650787234fcf97663ae44060fc20975619d1dc77bf02128f395b6a90369b" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling db-labs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `PageId`
[INFO] [stdout]  --> src/buffer/replacer.rs:1:38
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::common::config::{FrameId, PageId};
[INFO] [stdout]   |                                      ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Mutex`
[INFO] [stdout]  --> src/primer/count_min_sketch.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |         Mutex,
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LRUKReplacer` is never constructed
[INFO] [stdout]  --> src/buffer/lru_k_replacer.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct LRUKReplacer {
[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 function `new` is never used
[INFO] [stdout]   --> src/buffer/lru_k_replacer.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl LRUKReplacer {
[INFO] [stdout]    | ----------------- associated function in this implementation
[INFO] [stdout] 22 |     pub fn new(num_pages: usize, k: usize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LRUKNode` is never constructed
[INFO] [stdout]    --> src/buffer/lru_k_replacer.rs:134:12
[INFO] [stdout]     |
[INFO] [stdout] 134 | pub struct LRUKNode {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/buffer/lru_k_replacer.rs:144:12
[INFO] [stdout]     |
[INFO] [stdout] 143 | impl LRUKNode {
[INFO] [stdout]     | ------------- associated function in this implementation
[INFO] [stdout] 144 |     pub fn new(k: usize, frame_id: FrameId) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Replacer` is never used
[INFO] [stdout]  --> src/buffer/replacer.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait Replacer {
[INFO] [stdout]   |           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `FrameId` is never used
[INFO] [stdout]  --> src/common/config.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub type FrameId = usize;
[INFO] [stdout]   |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `PageId` is never used
[INFO] [stdout]  --> src/common/config.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub type PageId = usize;
[INFO] [stdout]   |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `HashT` is never used
[INFO] [stdout]  --> src/common/util/hash_util.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub type HashT = u64;
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PRIME_FACTOR` is never used
[INFO] [stdout]  --> src/common/util/hash_util.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | const PRIME_FACTOR: u64 = 10000019;
[INFO] [stdout]   |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Pod` is never used
[INFO] [stdout]   --> src/common/util/hash_util.rs:10:18
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub unsafe trait Pod: Copy {}
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bytes_of` is never used
[INFO] [stdout]   --> src/common/util/hash_util.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn bytes_of<T: Pod>(ptr: &T) -> &[u8] {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hash` is never used
[INFO] [stdout]   --> src/common/util/hash_util.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub fn hash<T: Pod>(ptr: &T) -> HashT {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hash_bytes` is never used
[INFO] [stdout]   --> src/common/util/hash_util.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub fn hash_bytes(bytes: &[u8]) -> HashT {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `combine_hashes` is never used
[INFO] [stdout]   --> src/common/util/hash_util.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub fn combine_hashes(l: HashT, r: HashT) -> HashT {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sum_hashes` is never used
[INFO] [stdout]   --> src/common/util/hash_util.rs:58:8
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub fn sum_hashes(l: HashT, r: HashT) -> HashT {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SEED_BASE` is never used
[INFO] [stdout]   --> src/primer/count_min_sketch.rs:16:7
[INFO] [stdout]    |
[INFO] [stdout] 16 | const SEED_BASE: u64 = 15445;
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CountMinSketch` is never constructed
[INFO] [stdout]   --> src/primer/count_min_sketch.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct CountMinSketch<K> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `insert`, `count`, `clear`, `merge`, and `top_k` are never used
[INFO] [stdout]   --> src/primer/count_min_sketch.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl<K: Hash> CountMinSketch<K> {
[INFO] [stdout]    | ------------------------------- associated items in this implementation
[INFO] [stdout] 27 |     pub fn new(width: u32, depth: u32) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |     pub fn insert(&self, item: &K) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 53 |     pub fn count(&self, item: &K) -> u32 {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 68 |     pub fn clear(&self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 76 |     pub fn merge(&self, other: &CountMinSketch<K>) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 94 |     pub fn top_k(&self, k: usize, candidates: &[K]) -> Vec<(K, u32)>
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ItemWithCount` is never constructed
[INFO] [stdout]    --> src/primer/count_min_sketch.rs:112:8
[INFO] [stdout]     |
[INFO] [stdout] 112 | struct ItemWithCount<K> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/primer/count_min_sketch.rs:138:8
[INFO] [stdout]     |
[INFO] [stdout] 137 | impl<K> ItemWithCount<K> {
[INFO] [stdout]     | ------------------------ associated function in this implementation
[INFO] [stdout] 138 |     fn new(item: K, count: u32) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "281b650787234fcf97663ae44060fc20975619d1dc77bf02128f395b6a90369b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "281b650787234fcf97663ae44060fc20975619d1dc77bf02128f395b6a90369b" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `PageId`
[INFO] [stdout]  --> src/buffer/replacer.rs:1:38
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::common::config::{FrameId, PageId};
[INFO] [stdout]   |                                      ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Mutex`
[INFO] [stdout]  --> src/primer/count_min_sketch.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |         Mutex,
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LRUKReplacer` is never constructed
[INFO] [stdout]  --> src/buffer/lru_k_replacer.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct LRUKReplacer {
[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 function `new` is never used
[INFO] [stdout]   --> src/buffer/lru_k_replacer.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl LRUKReplacer {
[INFO] [stdout]    | ----------------- associated function in this implementation
[INFO] [stdout] 22 |     pub fn new(num_pages: usize, k: usize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LRUKNode` is never constructed
[INFO] [stdout]    --> src/buffer/lru_k_replacer.rs:134:12
[INFO] [stdout]     |
[INFO] [stdout] 134 | pub struct LRUKNode {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/buffer/lru_k_replacer.rs:144:12
[INFO] [stdout]     |
[INFO] [stdout] 143 | impl LRUKNode {
[INFO] [stdout]     | ------------- associated function in this implementation
[INFO] [stdout] 144 |     pub fn new(k: usize, frame_id: FrameId) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Replacer` is never used
[INFO] [stdout]  --> src/buffer/replacer.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait Replacer {
[INFO] [stdout]   |           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling db-labs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type alias `FrameId` is never used
[INFO] [stdout]  --> src/common/config.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub type FrameId = usize;
[INFO] [stdout]   |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `PageId` is never used
[INFO] [stdout]  --> src/common/config.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub type PageId = usize;
[INFO] [stdout]   |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `HashT` is never used
[INFO] [stdout]  --> src/common/util/hash_util.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub type HashT = u64;
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PRIME_FACTOR` is never used
[INFO] [stdout]  --> src/common/util/hash_util.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | const PRIME_FACTOR: u64 = 10000019;
[INFO] [stdout]   |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Pod` is never used
[INFO] [stdout]   --> src/common/util/hash_util.rs:10:18
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub unsafe trait Pod: Copy {}
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bytes_of` is never used
[INFO] [stdout]   --> src/common/util/hash_util.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn bytes_of<T: Pod>(ptr: &T) -> &[u8] {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hash` is never used
[INFO] [stdout]   --> src/common/util/hash_util.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub fn hash<T: Pod>(ptr: &T) -> HashT {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hash_bytes` is never used
[INFO] [stdout]   --> src/common/util/hash_util.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub fn hash_bytes(bytes: &[u8]) -> HashT {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `combine_hashes` is never used
[INFO] [stdout]   --> src/common/util/hash_util.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub fn combine_hashes(l: HashT, r: HashT) -> HashT {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sum_hashes` is never used
[INFO] [stdout]   --> src/common/util/hash_util.rs:58:8
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub fn sum_hashes(l: HashT, r: HashT) -> HashT {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SEED_BASE` is never used
[INFO] [stdout]   --> src/primer/count_min_sketch.rs:16:7
[INFO] [stdout]    |
[INFO] [stdout] 16 | const SEED_BASE: u64 = 15445;
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CountMinSketch` is never constructed
[INFO] [stdout]   --> src/primer/count_min_sketch.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct CountMinSketch<K> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `insert`, `count`, `clear`, `merge`, and `top_k` are never used
[INFO] [stdout]   --> src/primer/count_min_sketch.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl<K: Hash> CountMinSketch<K> {
[INFO] [stdout]    | ------------------------------- associated items in this implementation
[INFO] [stdout] 27 |     pub fn new(width: u32, depth: u32) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |     pub fn insert(&self, item: &K) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 53 |     pub fn count(&self, item: &K) -> u32 {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 68 |     pub fn clear(&self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 76 |     pub fn merge(&self, other: &CountMinSketch<K>) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 94 |     pub fn top_k(&self, k: usize, candidates: &[K]) -> Vec<(K, u32)>
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ItemWithCount` is never constructed
[INFO] [stdout]    --> src/primer/count_min_sketch.rs:112:8
[INFO] [stdout]     |
[INFO] [stdout] 112 | struct ItemWithCount<K> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/primer/count_min_sketch.rs:138:8
[INFO] [stdout]     |
[INFO] [stdout] 137 | impl<K> ItemWithCount<K> {
[INFO] [stdout]     | ------------------------ associated function in this implementation
[INFO] [stdout] 138 |     fn new(item: K, count: u32) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PageId`
[INFO] [stdout]  --> src/buffer/replacer.rs:1:38
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::common::config::{FrameId, PageId};
[INFO] [stdout]   |                                      ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/primer/count_min_sketch.rs:184:13
[INFO] [stdout]     |
[INFO] [stdout] 184 |         let mut cms = CountMinSketch::<i64>::new(500, 20);
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/primer/count_min_sketch.rs:227:13
[INFO] [stdout]     |
[INFO] [stdout] 227 |         let mut cms_min_width = CountMinSketch::<i64>::new(1, 20);
[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/primer/count_min_sketch.rs:239:13
[INFO] [stdout]     |
[INFO] [stdout] 239 |         let mut cms_min_depth = CountMinSketch::<i64>::new(50, 1);
[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/primer/count_min_sketch.rs:247:13
[INFO] [stdout]     |
[INFO] [stdout] 247 |         let mut cms_min_both = CountMinSketch::<i64>::new(1, 1);
[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/primer/count_min_sketch.rs:264:13
[INFO] [stdout]     |
[INFO] [stdout] 264 |         let mut cms1 = CountMinSketch::<i32>::new(100, 10);
[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/primer/count_min_sketch.rs:303:13
[INFO] [stdout]     |
[INFO] [stdout] 303 |         let mut cms = CountMinSketch::<i32>::new(200, 10);
[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/primer/count_min_sketch.rs:331:13
[INFO] [stdout]     |
[INFO] [stdout] 331 |         let mut cms1 = CountMinSketch::<String>::new(250, 8);
[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/primer/count_min_sketch.rs:332:13
[INFO] [stdout]     |
[INFO] [stdout] 332 |         let mut cms2 = CountMinSketch::<String>::new(250, 8);
[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/primer/count_min_sketch.rs:377:13
[INFO] [stdout]     |
[INFO] [stdout] 377 |         let mut cms3 = CountMinSketch::<i32>::new(1, 20);
[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/primer/count_min_sketch.rs:378:13
[INFO] [stdout]     |
[INFO] [stdout] 378 |         let mut cms4 = CountMinSketch::<i32>::new(1, 20);
[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/primer/count_min_sketch.rs:404:17
[INFO] [stdout]     |
[INFO] [stdout] 404 |             let mut cms = CountMinSketch::<String>::new(10, 3);
[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/primer/count_min_sketch.rs:453:13
[INFO] [stdout]     |
[INFO] [stdout] 453 |         let mut cms = CountMinSketch::<i32>::new(200, 15);
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `k` and `frame_id` are never read
[INFO] [stdout]    --> src/buffer/lru_k_replacer.rs:137:9
[INFO] [stdout]     |
[INFO] [stdout] 134 | pub struct LRUKNode {
[INFO] [stdout]     |            -------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 137 |     pub k: usize,
[INFO] [stdout]     |         ^
[INFO] [stdout] 138 |     pub frame_id: FrameId,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `LRUKNode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `PageId` is never used
[INFO] [stdout]  --> src/common/config.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub type PageId = usize;
[INFO] [stdout]   |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PRIME_FACTOR` is never used
[INFO] [stdout]  --> src/common/util/hash_util.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | const PRIME_FACTOR: u64 = 10000019;
[INFO] [stdout]   |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Pod` is never used
[INFO] [stdout]   --> src/common/util/hash_util.rs:10:18
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub unsafe trait Pod: Copy {}
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bytes_of` is never used
[INFO] [stdout]   --> src/common/util/hash_util.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn bytes_of<T: Pod>(ptr: &T) -> &[u8] {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hash` is never used
[INFO] [stdout]   --> src/common/util/hash_util.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub fn hash<T: Pod>(ptr: &T) -> HashT {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sum_hashes` is never used
[INFO] [stdout]   --> src/common/util/hash_util.rs:58:8
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub fn sum_hashes(l: HashT, r: HashT) -> HashT {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `Command { std: "docker" "inspect" "281b650787234fcf97663ae44060fc20975619d1dc77bf02128f395b6a90369b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "281b650787234fcf97663ae44060fc20975619d1dc77bf02128f395b6a90369b" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `PageId`
[INFO] [stderr]  --> src/buffer/replacer.rs:1:38
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::common::config::{FrameId, PageId};
[INFO] [stderr]   |                                      ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Mutex`
[INFO] [stderr]  --> src/primer/count_min_sketch.rs:9:9
[INFO] [stderr]   |
[INFO] [stderr] 9 |         Mutex,
[INFO] [stderr]   |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `LRUKReplacer` is never constructed
[INFO] [stderr]  --> src/buffer/lru_k_replacer.rs:8:12
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub struct LRUKReplacer {
[INFO] [stderr]   |            ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/buffer/lru_k_replacer.rs:22:12
[INFO] [stderr]    |
[INFO] [stderr] 21 | impl LRUKReplacer {
[INFO] [stderr]    | ----------------- associated function in this implementation
[INFO] [stderr] 22 |     pub fn new(num_pages: usize, k: usize) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `LRUKNode` is never constructed
[INFO] [stderr]    --> src/buffer/lru_k_replacer.rs:134:12
[INFO] [stderr]     |
[INFO] [stderr] 134 | pub struct LRUKNode {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]    --> src/buffer/lru_k_replacer.rs:144:12
[INFO] [stderr]     |
[INFO] [stderr] 143 | impl LRUKNode {
[INFO] [stderr]     | ------------- associated function in this implementation
[INFO] [stderr] 144 |     pub fn new(k: usize, frame_id: FrameId) -> Self {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `Replacer` is never used
[INFO] [stderr]  --> src/buffer/replacer.rs:3:11
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub trait Replacer {
[INFO] [stderr]   |           ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias `FrameId` is never used
[INFO] [stderr]  --> src/common/config.rs:1:10
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub type FrameId = usize;
[INFO] [stderr]   |          ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias `PageId` is never used
[INFO] [stderr]  --> src/common/config.rs:2:10
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub type PageId = usize;
[INFO] [stderr]   |          ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias `HashT` is never used
[INFO] [stderr]  --> src/common/util/hash_util.rs:2:10
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub type HashT = u64;
[INFO] [stderr]   |          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `PRIME_FACTOR` is never used
[INFO] [stderr]  --> src/common/util/hash_util.rs:3:7
[INFO] [stderr]   |
[INFO] [stderr] 3 | const PRIME_FACTOR: u64 = 10000019;
[INFO] [stderr]   |       ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `Pod` is never used
[INFO] [stderr]   --> src/common/util/hash_util.rs:10:18
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub unsafe trait Pod: Copy {}
[INFO] [stderr]    |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `bytes_of` is never used
[INFO] [stderr]   --> src/common/util/hash_util.rs:24:8
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub fn bytes_of<T: Pod>(ptr: &T) -> &[u8] {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `hash` is never used
[INFO] [stderr]   --> src/common/util/hash_util.rs:34:8
[INFO] [stderr]    |
[INFO] [stderr] 34 | pub fn hash<T: Pod>(ptr: &T) -> HashT {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `hash_bytes` is never used
[INFO] [stderr]   --> src/common/util/hash_util.rs:41:8
[INFO] [stderr]    |
[INFO] [stderr] 41 | pub fn hash_bytes(bytes: &[u8]) -> HashT {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `combine_hashes` is never used
[INFO] [stderr]   --> src/common/util/hash_util.rs:51:8
[INFO] [stderr]    |
[INFO] [stderr] 51 | pub fn combine_hashes(l: HashT, r: HashT) -> HashT {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `sum_hashes` is never used
[INFO] [stderr]   --> src/common/util/hash_util.rs:58:8
[INFO] [stderr]    |
[INFO] [stderr] 58 | pub fn sum_hashes(l: HashT, r: HashT) -> HashT {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `SEED_BASE` is never used
[INFO] [stderr]   --> src/primer/count_min_sketch.rs:16:7
[INFO] [stderr]    |
[INFO] [stderr] 16 | const SEED_BASE: u64 = 15445;
[INFO] [stderr]    |       ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `CountMinSketch` is never constructed
[INFO] [stderr]   --> src/primer/count_min_sketch.rs:19:12
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub struct CountMinSketch<K> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `insert`, `count`, `clear`, `merge`, and `top_k` are never used
[INFO] [stderr]   --> src/primer/count_min_sketch.rs:27:12
[INFO] [stderr]    |
[INFO] [stderr] 26 | impl<K: Hash> CountMinSketch<K> {
[INFO] [stderr]    | ------------------------------- associated items in this implementation
[INFO] [stderr] 27 |     pub fn new(width: u32, depth: u32) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 41 |     pub fn insert(&self, item: &K) {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 53 |     pub fn count(&self, item: &K) -> u32 {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 68 |     pub fn clear(&self) {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 76 |     pub fn merge(&self, other: &CountMinSketch<K>) {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 94 |     pub fn top_k(&self, k: usize, candidates: &[K]) -> Vec<(K, u32)>
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `ItemWithCount` is never constructed
[INFO] [stderr]    --> src/primer/count_min_sketch.rs:112:8
[INFO] [stderr]     |
[INFO] [stderr] 112 | struct ItemWithCount<K> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]    --> src/primer/count_min_sketch.rs:138:8
[INFO] [stderr]     |
[INFO] [stderr] 137 | impl<K> ItemWithCount<K> {
[INFO] [stderr]     | ------------------------ associated function in this implementation
[INFO] [stderr] 138 |     fn new(item: K, count: u32) -> Self {
[INFO] [stderr]     |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `db-labs` (lib) generated 22 warnings (run `cargo fix --lib -p db-labs` to apply 2 suggestions)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/primer/count_min_sketch.rs:184:13
[INFO] [stderr]     |
[INFO] [stderr] 184 |         let mut cms = CountMinSketch::<i64>::new(500, 20);
[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: variable does not need to be mutable
[INFO] [stderr]    --> src/primer/count_min_sketch.rs:227:13
[INFO] [stderr]     |
[INFO] [stderr] 227 |         let mut cms_min_width = CountMinSketch::<i64>::new(1, 20);
[INFO] [stderr]     |             ----^^^^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/primer/count_min_sketch.rs:239:13
[INFO] [stderr]     |
[INFO] [stderr] 239 |         let mut cms_min_depth = CountMinSketch::<i64>::new(50, 1);
[INFO] [stderr]     |             ----^^^^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/primer/count_min_sketch.rs:247:13
[INFO] [stderr]     |
[INFO] [stderr] 247 |         let mut cms_min_both = CountMinSketch::<i64>::new(1, 1);
[INFO] [stderr]     |             ----^^^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/primer/count_min_sketch.rs:264:13
[INFO] [stderr]     |
[INFO] [stderr] 264 |         let mut cms1 = CountMinSketch::<i32>::new(100, 10);
[INFO] [stderr]     |             ----^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/primer/count_min_sketch.rs:303:13
[INFO] [stderr]     |
[INFO] [stderr] 303 |         let mut cms = CountMinSketch::<i32>::new(200, 10);
[INFO] [stderr]     |             ----^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/primer/count_min_sketch.rs:331:13
[INFO] [stderr]     |
[INFO] [stderr] 331 |         let mut cms1 = CountMinSketch::<String>::new(250, 8);
[INFO] [stderr]     |             ----^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/primer/count_min_sketch.rs:332:13
[INFO] [stderr]     |
[INFO] [stderr] 332 |         let mut cms2 = CountMinSketch::<String>::new(250, 8);
[INFO] [stderr]     |             ----^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/primer/count_min_sketch.rs:377:13
[INFO] [stderr]     |
[INFO] [stderr] 377 |         let mut cms3 = CountMinSketch::<i32>::new(1, 20);
[INFO] [stderr]     |             ----^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/primer/count_min_sketch.rs:378:13
[INFO] [stderr]     |
[INFO] [stderr] 378 |         let mut cms4 = CountMinSketch::<i32>::new(1, 20);
[INFO] [stderr]     |             ----^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/primer/count_min_sketch.rs:404:17
[INFO] [stderr]     |
[INFO] [stderr] 404 |             let mut cms = CountMinSketch::<String>::new(10, 3);
[INFO] [stderr]     |                 ----^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/primer/count_min_sketch.rs:453:13
[INFO] [stderr]     |
[INFO] [stderr] 453 |         let mut cms = CountMinSketch::<i32>::new(200, 15);
[INFO] [stderr]     |             ----^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: fields `k` and `frame_id` are never read
[INFO] [stderr]    --> src/buffer/lru_k_replacer.rs:137:9
[INFO] [stderr]     |
[INFO] [stderr] 134 | pub struct LRUKNode {
[INFO] [stderr]     |            -------- fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 137 |     pub k: usize,
[INFO] [stderr]     |         ^
[INFO] [stderr] 138 |     pub frame_id: FrameId,
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `LRUKNode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `db-labs` (lib test) generated 20 warnings (7 duplicates) (run `cargo fix --lib -p db-labs --tests` to apply 12 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/db_labs-efb64ff9607da642)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test buffer::lru_k_replacer::tests::sample_test ... ok
[INFO] [stdout] test primer::count_min_sketch::tests::edge_test_1_invalid_construction ... ok
[INFO] [stdout] test primer::count_min_sketch::tests::edge_test_2_min_dimensions ... ok
[INFO] [stdout] test primer::count_min_sketch::tests::basic_test_1 ... ok
[INFO] [stdout] test primer::count_min_sketch::tests::move_test ... ok
[INFO] [stdout] test primer::count_min_sketch::tests::merge_test ... ok
[INFO] [stdout] test primer::count_min_sketch::tests::topk_basic_test ... ok
[INFO] [stdout] test primer::count_min_sketch::tests::clear_test ... ok
[INFO] [stdout] test primer::count_min_sketch::tests::topk_dynamic_test ... ok
[INFO] [stdout] test primer::count_min_sketch::tests::basic_test_2 ... ok
[INFO] [stdout] test primer::count_min_sketch::tests::topk_comprehensive_test ... ok
[INFO] [stdout] test primer::count_min_sketch::tests::complex_parallel_test ... ok
[INFO] [stdout] test primer::count_min_sketch::tests::parallel_test ... ok
[INFO] [stdout] test primer::count_min_sketch::tests::contention_ratio_test ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- primer::count_min_sketch::tests::contention_ratio_test stdout ----
[INFO] [stdout] lock-free (us):  [135563, 239558, 226500, 299937, 83997]
[INFO] [stdout] serialized (us): [272800, 112841, 116432, 131978, 143574]
[INFO] [stdout] speedup: 0.789022428986713
[INFO] [stdout] 
[INFO] [stdout] thread 'primer::count_min_sketch::tests::contention_ratio_test' (211) panicked at src/primer/count_min_sketch.rs:823:9:
[INFO] [stdout] speedup 0.789022428986713 not > 1.2 — insert is not lock-free yet
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x576fa76ceef8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x576fa76ceef8 - std[10d71ac2c42b111e]::backtrace_rs::backtrace::trace_unsynchronized::<std[10d71ac2c42b111e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x576fa76ceef8 - std[10d71ac2c42b111e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x576fa76ceef8 - <<std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[8fb95b77d25ab6c8]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x576fa76e32da - <core[8fb95b77d25ab6c8]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x576fa76e32da - core[8fb95b77d25ab6c8]::fmt::write
[INFO] [stdout]    6:     0x576fa76d3712 - std[10d71ac2c42b111e]::io::default_write_fmt::<alloc[a7ee25936407c584]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x576fa76d3712 - <alloc[a7ee25936407c584]::vec::Vec<u8> as std[10d71ac2c42b111e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x576fa76ae0b6 - <std[10d71ac2c42b111e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x576fa76ae0b6 - std[10d71ac2c42b111e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x576fa76c7449 - std[10d71ac2c42b111e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x576fa76634fc - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   12:     0x576fa76634fc - test[213991da798b1c03]::test_main_inner::<test[213991da798b1c03]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x576fa76c7602 - <alloc[a7ee25936407c584]::boxed::Box<dyn for<'a, 'b> core[8fb95b77d25ab6c8]::ops::function::Fn<(&'a std[10d71ac2c42b111e]::panic::PanicHookInfo<'b>,), Output = ()> + core[8fb95b77d25ab6c8]::marker::Sync + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::Fn<(&std[10d71ac2c42b111e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2289:9
[INFO] [stdout]   14:     0x576fa76c7602 - std[10d71ac2c42b111e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x576fa76ae172 - std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x576fa76a3379 - std[10d71ac2c42b111e]::sys::backtrace::__rust_end_short_backtrace::<std[10d71ac2c42b111e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x576fa76aee8d - __rustc[3be9ba60078d4c86]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x576fa76e3a0c - core[8fb95b77d25ab6c8]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x576fa763a865 - db_labs[dda54f06967877b2]::primer::count_min_sketch::tests::contention_ratio_test
[INFO] [stdout]                                at /opt/rustwide/workdir/src/primer/count_min_sketch.rs:823:9
[INFO] [stdout]   20:     0x576fa7633227 - db_labs[dda54f06967877b2]::primer::count_min_sketch::tests::contention_ratio_test::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/primer/count_min_sketch.rs:768:31
[INFO] [stdout]   21:     0x576fa7656356 - <db_labs[dda54f06967877b2]::primer::count_min_sketch::tests::contention_ratio_test::{closure#0} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x576fa76565db - <fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x576fa76565db - test[213991da798b1c03]::__rust_begin_short_backtrace::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, fn() -> core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:724:18
[INFO] [stdout]   24:     0x576fa7663e55 - test[213991da798b1c03]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:74
[INFO] [stdout]   25:     0x576fa7663e55 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   26:     0x576fa7663e55 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   27:     0x576fa7663e55 - std[10d71ac2c42b111e]::panicking::catch_unwind::<core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>, core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x576fa7663e55 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<test[213991da798b1c03]::run_test_in_process::{closure#0}>, core[8fb95b77d25ab6c8]::result::Result<(), alloc[a7ee25936407c584]::string::String>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x576fa7663e55 - test[213991da798b1c03]::run_test_in_process
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:747:27
[INFO] [stdout]   30:     0x576fa7663e55 - test[213991da798b1c03]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:668:43
[INFO] [stdout]   31:     0x576fa765d764 - test[213991da798b1c03]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/test/src/lib.rs:698:41
[INFO] [stdout]   32:     0x576fa765d764 - std[10d71ac2c42b111e]::sys::backtrace::__rust_begin_short_backtrace::<test[213991da798b1c03]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   33:     0x576fa7666ed2 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   34:     0x576fa7666ed2 - <core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   35:     0x576fa7666ed2 - std[10d71ac2c42b111e]::panicking::catch_unwind::do_call::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   36:     0x576fa7666ed2 - std[10d71ac2c42b111e]::panicking::catch_unwind::<(), core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   37:     0x576fa7666ed2 - std[10d71ac2c42b111e]::panic::catch_unwind::<core[8fb95b77d25ab6c8]::panic::unwind_safe::AssertUnwindSafe<std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/panic.rs:359:14
[INFO] [stdout]   38:     0x576fa7666ed2 - std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked::<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   39:     0x576fa7666ed2 - <std[10d71ac2c42b111e]::thread::lifecycle::spawn_unchecked<test[213991da798b1c03]::run_test::{closure#1}, ()>::{closure#1} as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   40:     0x576fa76ce85f - <alloc[a7ee25936407c584]::boxed::Box<dyn core[8fb95b77d25ab6c8]::ops::function::FnOnce<(), Output = ()> + core[8fb95b77d25ab6c8]::marker::Send> as core[8fb95b77d25ab6c8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/alloc/src/boxed.rs:2275:9
[INFO] [stdout]   41:     0x576fa76ce85f - <std[10d71ac2c42b111e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/b2282dd5646a57d570fc86fbe8df0e8826665ef6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   42:     0x79512be1faa4 - <unknown>
[INFO] [stdout]   43:     0x79512beaca64 - clone
[INFO] [stdout]   44:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     primer::count_min_sketch::tests::contention_ratio_test
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 13 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.78s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "281b650787234fcf97663ae44060fc20975619d1dc77bf02128f395b6a90369b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "281b650787234fcf97663ae44060fc20975619d1dc77bf02128f395b6a90369b", kill_on_drop: false }`
[INFO] [stdout] 281b650787234fcf97663ae44060fc20975619d1dc77bf02128f395b6a90369b
