[INFO] cloning repository https://github.com/Wkkkkk/hash_rings
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Wkkkkk/hash_rings" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWkkkkk%2Fhash_rings", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWkkkkk%2Fhash_rings'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 178fb8d567298b924f015a621de45d240dcadd65
[INFO] testing Wkkkkk/hash_rings against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWkkkkk%2Fhash_rings" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Wkkkkk/hash_rings on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Wkkkkk/hash_rings
[INFO] finished tweaking git repo https://github.com/Wkkkkk/hash_rings
[INFO] tweaked toml for git repo https://github.com/Wkkkkk/hash_rings written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/Wkkkkk/hash_rings already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 420205c515ad6cd4b39638b23737ed4f91d40c3504b743965ac675218f8dd4ce
[INFO] running `Command { std: "docker" "start" "-a" "420205c515ad6cd4b39638b23737ed4f91d40c3504b743965ac675218f8dd4ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "420205c515ad6cd4b39638b23737ed4f91d40c3504b743965ac675218f8dd4ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "420205c515ad6cd4b39638b23737ed4f91d40c3504b743965ac675218f8dd4ce", kill_on_drop: false }`
[INFO] [stdout] 420205c515ad6cd4b39638b23737ed4f91d40c3504b743965ac675218f8dd4ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea19d89fd6eb33c4a003d7503ddb95b0d95f2eaaa4b92cadcbde9e887bb256c3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ea19d89fd6eb33c4a003d7503ddb95b0d95f2eaaa4b92cadcbde9e887bb256c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.102
[INFO] [stderr]    Compiling hamming v0.1.3
[INFO] [stderr]    Compiling primal-estimate v0.2.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling primal-bit v0.2.4
[INFO] [stderr]    Compiling primal-sieve v0.2.9
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling primal-check v0.2.3
[INFO] [stderr]    Compiling primal v0.2.3
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling rand_distr v0.4.2
[INFO] [stderr]    Compiling hash_rings v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/consistent.rs:3:43
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::{BTreeMap, HashMap, HashSet};
[INFO] [stdout]   |                                           ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::vec::Vec`
[INFO] [stdout]  --> src/consistent.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::vec::Vec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/rendezvous.rs:3:33
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/weighted_rendezvous.rs:3:33
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::vec::Vec`
[INFO] [stdout]  --> src/weighted_rendezvous.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::vec::Vec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Distribution`
[INFO] [stdout]  --> src/generator.rs:4:36
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rand::distributions::{Uniform, Distribution};
[INFO] [stdout]   |                                    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `contains_node`
[INFO] [stdout]    --> src/consistent.rs:114:8
[INFO] [stdout]     |
[INFO] [stdout] 114 |     fn contains_node(&self, index: u64) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_replica_count`
[INFO] [stdout]    --> src/consistent.rs:118:8
[INFO] [stdout]     |
[INFO] [stdout] 118 |     fn get_replica_count(&self, id: &T) -> usize
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `MAX_KEY`
[INFO] [stdout]  --> src/generator.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | const MAX_KEY: f64 = core::f64::MAX;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_hashes`
[INFO] [stdout]   --> src/rendezvous.rs:97:8
[INFO] [stdout]    |
[INFO] [stdout] 97 |     fn get_hashes(&self, id: &T) -> Vec<u64>
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `carp`, `weighted_rendezvous`
[INFO] [stdout]  --> src/bin/bench.rs:1:36
[INFO] [stdout]   |
[INFO] [stdout] 1 | use hash_rings::{consistent, jump, carp, maglev, mpc, rendezvous, weighted_rendezvous};
[INFO] [stdout]   |                                    ^^^^                           ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Uniform`
[INFO] [stdout]   --> src/bin/bench.rs:10:27
[INFO] [stdout]    |
[INFO] [stdout] 10 | use rand::distributions::{Uniform, Distribution};
[INFO] [stdout]    |                           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `LogNormal`, `Normal`
[INFO] [stdout]   --> src/bin/bench.rs:11:18
[INFO] [stdout]    |
[INFO] [stdout] 11 | use rand_distr::{Normal, LogNormal};
[INFO] [stdout]    |                  ^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Distribution`
[INFO] [stdout]   --> src/bin/bench.rs:10:36
[INFO] [stdout]    |
[INFO] [stdout] 10 | use rand::distributions::{Uniform, Distribution};
[INFO] [stdout]    |                                    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `total_replicas`
[INFO] [stdout]    --> src/bin/bench.rs:112:9
[INFO] [stdout]     |
[INFO] [stdout] 112 |     let total_replicas = REPLICAS * num_nodes;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_total_replicas`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `ITEMS`
[INFO] [stdout]   --> src/bin/bench.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | const ITEMS: u64 = 100_000;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `NODES`
[INFO] [stdout]   --> src/bin/bench.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | const NODES: u64 = 10;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_node_statistic`
[INFO] [stdout]   --> src/bin/bench.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn print_node_statistic(id: u64, expected: f64, actual: f64) -> f64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.40s
[INFO] running `Command { std: "docker" "inspect" "ea19d89fd6eb33c4a003d7503ddb95b0d95f2eaaa4b92cadcbde9e887bb256c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea19d89fd6eb33c4a003d7503ddb95b0d95f2eaaa4b92cadcbde9e887bb256c3", kill_on_drop: false }`
[INFO] [stdout] ea19d89fd6eb33c4a003d7503ddb95b0d95f2eaaa4b92cadcbde9e887bb256c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f9d7ed913a51291e1372fe4da0339c6c036de5da4498c761e85b9ddc89a721ee
[INFO] running `Command { std: "docker" "start" "-a" "f9d7ed913a51291e1372fe4da0339c6c036de5da4498c761e85b9ddc89a721ee", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/consistent.rs:3:43
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::{BTreeMap, HashMap, HashSet};
[INFO] [stdout]   |                                           ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::vec::Vec`
[INFO] [stdout]  --> src/consistent.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::vec::Vec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/rendezvous.rs:3:33
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/weighted_rendezvous.rs:3:33
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::vec::Vec`
[INFO] [stdout]  --> src/weighted_rendezvous.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::vec::Vec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Distribution`
[INFO] [stdout]  --> src/generator.rs:4:36
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rand::distributions::{Uniform, Distribution};
[INFO] [stdout]   |                                    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `contains_node`
[INFO] [stdout]    --> src/consistent.rs:114:8
[INFO] [stdout]     |
[INFO] [stdout] 114 |     fn contains_node(&self, index: u64) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_replica_count`
[INFO] [stdout]    --> src/consistent.rs:118:8
[INFO] [stdout]     |
[INFO] [stdout] 118 |     fn get_replica_count(&self, id: &T) -> usize
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `MAX_KEY`
[INFO] [stdout]  --> src/generator.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | const MAX_KEY: f64 = core::f64::MAX;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_hashes`
[INFO] [stdout]   --> src/rendezvous.rs:97:8
[INFO] [stdout]    |
[INFO] [stdout] 97 |     fn get_hashes(&self, id: &T) -> Vec<u64>
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling hash_rings v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `carp`, `weighted_rendezvous`
[INFO] [stdout]  --> src/bin/bench.rs:1:36
[INFO] [stdout]   |
[INFO] [stdout] 1 | use hash_rings::{consistent, jump, carp, maglev, mpc, rendezvous, weighted_rendezvous};
[INFO] [stdout]   |                                    ^^^^                           ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Uniform`
[INFO] [stdout]   --> src/bin/bench.rs:10:27
[INFO] [stdout]    |
[INFO] [stdout] 10 | use rand::distributions::{Uniform, Distribution};
[INFO] [stdout]    |                           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `LogNormal`, `Normal`
[INFO] [stdout]   --> src/bin/bench.rs:11:18
[INFO] [stdout]    |
[INFO] [stdout] 11 | use rand_distr::{Normal, LogNormal};
[INFO] [stdout]    |                  ^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/consistent.rs:3:43
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::{BTreeMap, HashMap, HashSet};
[INFO] [stdout]   |                                           ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::vec::Vec`
[INFO] [stdout]  --> src/consistent.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::vec::Vec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/rendezvous.rs:3:33
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/weighted_rendezvous.rs:3:33
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::vec::Vec`
[INFO] [stdout]  --> src/weighted_rendezvous.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::vec::Vec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Distribution`
[INFO] [stdout]   --> src/bin/bench.rs:10:36
[INFO] [stdout]    |
[INFO] [stdout] 10 | use rand::distributions::{Uniform, Distribution};
[INFO] [stdout]    |                                    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `total_replicas`
[INFO] [stdout]    --> src/bin/bench.rs:112:9
[INFO] [stdout]     |
[INFO] [stdout] 112 |     let total_replicas = REPLICAS * num_nodes;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_total_replicas`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `ITEMS`
[INFO] [stdout]   --> src/bin/bench.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | const ITEMS: u64 = 100_000;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `NODES`
[INFO] [stdout]   --> src/bin/bench.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | const NODES: u64 = 10;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_node_statistic`
[INFO] [stdout]   --> src/bin/bench.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn print_node_statistic(id: u64, expected: f64, actual: f64) -> f64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Distribution`
[INFO] [stdout]  --> src/generator.rs:4:36
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rand::distributions::{Uniform, Distribution};
[INFO] [stdout]   |                                    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `contains_node`
[INFO] [stdout]    --> src/consistent.rs:114:8
[INFO] [stdout]     |
[INFO] [stdout] 114 |     fn contains_node(&self, index: u64) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_replica_count`
[INFO] [stdout]    --> src/consistent.rs:118:8
[INFO] [stdout]     |
[INFO] [stdout] 118 |     fn get_replica_count(&self, id: &T) -> usize
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `MAX_KEY`
[INFO] [stdout]  --> src/generator.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | const MAX_KEY: f64 = core::f64::MAX;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_hashes`
[INFO] [stdout]   --> src/rendezvous.rs:97:8
[INFO] [stdout]    |
[INFO] [stdout] 97 |     fn get_hashes(&self, id: &T) -> Vec<u64>
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.04s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/hash_rings-a95e22c625b0ce9b)
[INFO] [stderr]   Executable unittests src/bin/bench.rs (/opt/rustwide/target/debug/deps/bench-78fb516f81616356)
[INFO] running `Command { std: "docker" "inspect" "f9d7ed913a51291e1372fe4da0339c6c036de5da4498c761e85b9ddc89a721ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9d7ed913a51291e1372fe4da0339c6c036de5da4498c761e85b9ddc89a721ee", kill_on_drop: false }`
[INFO] [stdout] f9d7ed913a51291e1372fe4da0339c6c036de5da4498c761e85b9ddc89a721ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4e86acea6223721e635f15355c96f5333c33a3f8b76cb9a2734fafd31ead786b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4e86acea6223721e635f15355c96f5333c33a3f8b76cb9a2734fafd31ead786b", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `HashSet`
[INFO] [stderr]  --> src/consistent.rs:3:43
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::collections::{BTreeMap, HashMap, HashSet};
[INFO] [stderr]   |                                           ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::vec::Vec`
[INFO] [stderr]  --> src/consistent.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::vec::Vec;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `HashSet`
[INFO] [stderr]  --> src/rendezvous.rs:3:33
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::collections::{HashMap, HashSet};
[INFO] [stderr]   |                                 ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `HashSet`
[INFO] [stderr]  --> src/weighted_rendezvous.rs:3:33
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::collections::{HashMap, HashSet};
[INFO] [stderr]   |                                 ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::vec::Vec`
[INFO] [stderr]  --> src/weighted_rendezvous.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::vec::Vec;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Distribution`
[INFO] [stderr]  --> src/generator.rs:4:36
[INFO] [stderr]   |
[INFO] [stderr] 4 | use rand::distributions::{Uniform, Distribution};
[INFO] [stderr]   |                                    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `contains_node`
[INFO] [stderr]    --> src/consistent.rs:114:8
[INFO] [stderr]     |
[INFO] [stderr] 114 |     fn contains_node(&self, index: u64) -> bool {
[INFO] [stderr]     |        ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_replica_count`
[INFO] [stderr]    --> src/consistent.rs:118:8
[INFO] [stderr]     |
[INFO] [stderr] 118 |     fn get_replica_count(&self, id: &T) -> usize
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `MAX_KEY`
[INFO] [stderr]  --> src/generator.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | const MAX_KEY: f64 = core::f64::MAX;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_hashes`
[INFO] [stderr]   --> src/rendezvous.rs:97:8
[INFO] [stderr]    |
[INFO] [stderr] 97 |     fn get_hashes(&self, id: &T) -> Vec<u64>
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `hash_rings` (lib) generated 10 warnings
[INFO] [stderr] warning: `hash_rings` (lib test) generated 10 warnings (10 duplicates)
[INFO] [stderr] warning: unused imports: `carp`, `weighted_rendezvous`
[INFO] [stderr]  --> src/bin/bench.rs:1:36
[INFO] [stderr]   |
[INFO] [stderr] 1 | use hash_rings::{consistent, jump, carp, maglev, mpc, rendezvous, weighted_rendezvous};
[INFO] [stderr]   |                                    ^^^^                           ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Uniform`
[INFO] [stderr]   --> src/bin/bench.rs:10:27
[INFO] [stderr]    |
[INFO] [stderr] 10 | use rand::distributions::{Uniform, Distribution};
[INFO] [stderr]    |                           ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `LogNormal`, `Normal`
[INFO] [stderr]   --> src/bin/bench.rs:11:18
[INFO] [stderr]    |
[INFO] [stderr] 11 | use rand_distr::{Normal, LogNormal};
[INFO] [stderr]    |                  ^^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Distribution`
[INFO] [stderr]   --> src/bin/bench.rs:10:36
[INFO] [stderr]    |
[INFO] [stderr] 10 | use rand::distributions::{Uniform, Distribution};
[INFO] [stderr]    |                                    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `total_replicas`
[INFO] [stderr]    --> src/bin/bench.rs:112:9
[INFO] [stderr]     |
[INFO] [stderr] 112 |     let total_replicas = REPLICAS * num_nodes;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_total_replicas`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `ITEMS`
[INFO] [stderr]   --> src/bin/bench.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | const ITEMS: u64 = 100_000;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `NODES`
[INFO] [stderr]   --> src/bin/bench.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | const NODES: u64 = 10;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_node_statistic`
[INFO] [stderr]   --> src/bin/bench.rs:43:4
[INFO] [stderr]    |
[INFO] [stderr] 43 | fn print_node_statistic(id: u64, expected: f64, actual: f64) -> f64 {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `hash_rings` (bin "bench" test) generated 8 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/hash_rings-a95e22c625b0ce9b)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test generator::test_distribution_display ... ok
[INFO] [stdout] test generator::test_iterator ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/bench.rs (/opt/rustwide/target/debug/deps/bench-78fb516f81616356)
[INFO] [stderr]    Doc-tests hash_rings
[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] [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] running `Command { std: "docker" "inspect" "4e86acea6223721e635f15355c96f5333c33a3f8b76cb9a2734fafd31ead786b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e86acea6223721e635f15355c96f5333c33a3f8b76cb9a2734fafd31ead786b", kill_on_drop: false }`
[INFO] [stdout] 4e86acea6223721e635f15355c96f5333c33a3f8b76cb9a2734fafd31ead786b