[INFO] cloning repository https://github.com/Kitiphol/Funpar-Project
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Kitiphol/Funpar-Project" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKitiphol%2FFunpar-Project", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKitiphol%2FFunpar-Project'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8463609b3780e986d2373c272e0ce5d704e250b8
[INFO] testing Kitiphol/Funpar-Project against beta-2025-09-21 for beta-1.91-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKitiphol%2FFunpar-Project" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Kitiphol/Funpar-Project
[INFO] finished tweaking git repo https://github.com/Kitiphol/Funpar-Project
[INFO] tweaked toml for git repo https://github.com/Kitiphol/Funpar-Project written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Kitiphol/Funpar-Project on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Kitiphol/Funpar-Project 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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 711876cf2bfae5944de3391d6d3336101cce7ddd50d140e4d019334f5646df5c
[INFO] running `Command { std: "docker" "start" "-a" "711876cf2bfae5944de3391d6d3336101cce7ddd50d140e4d019334f5646df5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "711876cf2bfae5944de3391d6d3336101cce7ddd50d140e4d019334f5646df5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "711876cf2bfae5944de3391d6d3336101cce7ddd50d140e4d019334f5646df5c", kill_on_drop: false }`
[INFO] [stdout] 711876cf2bfae5944de3391d6d3336101cce7ddd50d140e4d019334f5646df5c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c141bf011dbd171686cb5c6bf69a1f20d46bf4a80829ffe55eb84f4580be54c1
[INFO] running `Command { std: "docker" "start" "-a" "c141bf011dbd171686cb5c6bf69a1f20d46bf4a80829ffe55eb84f4580be54c1", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling libc v0.2.170
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling adler2 v2.0.0
[INFO] [stderr]    Compiling anyhow v1.0.97
[INFO] [stderr]    Compiling built v0.7.7
[INFO] [stderr]    Compiling getrandom v0.3.2
[INFO] [stderr]    Compiling zerocopy v0.8.23
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling aligned-vec v0.5.0
[INFO] [stderr]    Compiling crc32fast v1.4.2
[INFO] [stderr]    Compiling once_cell v1.20.3
[INFO] [stderr]    Compiling log v0.4.26
[INFO] [stderr]    Compiling smallvec v1.14.0
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]    Compiling maybe-rayon v0.1.1
[INFO] [stderr]    Compiling miniz_oxide v0.8.5
[INFO] [stderr]    Compiling bitstream-io v2.6.0
[INFO] [stderr]    Compiling imgref v1.11.0
[INFO] [stderr]    Compiling weezl v0.1.8
[INFO] [stderr]    Compiling noop_proc_macro v0.3.0
[INFO] [stderr]    Compiling zune-inflate v0.2.54
[INFO] [stderr]    Compiling loop9 v0.1.5
[INFO] [stderr]    Compiling avif-serialize v0.8.3
[INFO] [stderr]    Compiling half v2.4.1
[INFO] [stderr]    Compiling jpeg-decoder v0.3.1
[INFO] [stderr]    Compiling rgb v0.8.50
[INFO] [stderr]    Compiling quote v1.0.39
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling rav1e v0.7.1
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling simd_helpers v0.1.0
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling flate2 v1.1.0
[INFO] [stderr]    Compiling bytemuck v1.22.0
[INFO] [stderr]    Compiling bit_field v0.10.2
[INFO] [stderr]    Compiling lebe v0.5.2
[INFO] [stderr]    Compiling gif v0.13.1
[INFO] [stderr]    Compiling image-webp v0.2.1
[INFO] [stderr]    Compiling zune-jpeg v0.4.14
[INFO] [stderr]    Compiling crossbeam v0.2.12
[INFO] [stderr]    Compiling png v0.17.16
[INFO] [stderr]    Compiling exr v1.73.0
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling tiff v0.9.1
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling qoi v0.4.1
[INFO] [stderr]    Compiling dashmap v6.1.0
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling v_frame v0.3.8
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling concurrent-hash-map v0.0.6
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand v0.9.0
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling av1-grain v0.2.3
[INFO] [stderr]    Compiling profiling-procmacros v1.0.16
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling arg_enum_proc_macro v0.3.4
[INFO] [stderr]    Compiling num-derive v0.4.2
[INFO] [stderr]    Compiling profiling v1.0.16
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling ravif v0.11.11
[INFO] [stderr]    Compiling image v0.25.5
[INFO] [stderr]    Compiling project v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/luby.rs:255:20
[INFO] [stdout]     |
[INFO] [stdout] 255 |                 if (degree == 0.0) {
[INFO] [stdout]     |                    ^             ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 255 -                 if (degree == 0.0) {
[INFO] [stdout] 255 +                 if degree == 0.0 {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rng`
[INFO] [stdout]   --> src/luby.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let mut rng = rand::rng();
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `duration4`
[INFO] [stdout]   --> src/luby.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let duration4 = start.elapsed();
[INFO] [stdout]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_duration4`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/luby.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let mut rng = rand::rng();
[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: unused variable: `rng`
[INFO] [stdout]    --> src/luby.rs:149:13
[INFO] [stdout]     |
[INFO] [stdout] 149 |     let mut rng: ThreadRng = rand::rng();
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `length`
[INFO] [stdout]    --> src/luby.rs:153:13
[INFO] [stdout]     |
[INFO] [stdout] 153 |         let length = graph.len();
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_length`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/luby.rs:149:9
[INFO] [stdout]     |
[INFO] [stdout] 149 |     let mut rng: ThreadRng = rand::rng();
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `duration1`
[INFO] [stdout]    --> src/luby.rs:266:13
[INFO] [stdout]     |
[INFO] [stdout] 266 |         let duration1 = start.elapsed();
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_duration1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `duration3`
[INFO] [stdout]    --> src/luby.rs:292:13
[INFO] [stdout]     |
[INFO] [stdout] 292 |         let duration3 = start.elapsed();
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_duration3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `duration4`
[INFO] [stdout]    --> src/luby.rs:308:13
[INFO] [stdout]     |
[INFO] [stdout] 308 |         let duration4 = start.elapsed();
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_duration4`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/luby.rs:255:20
[INFO] [stdout]     |
[INFO] [stdout] 255 |                 if (degree == 0.0) {
[INFO] [stdout]     |                    ^             ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 255 -                 if (degree == 0.0) {
[INFO] [stdout] 255 +                 if degree == 0.0 {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HashMap` and `HashSet`
[INFO] [stdout]  --> src/main.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::{HashMap, HashSet};
[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 variable: `rng`
[INFO] [stdout]   --> src/luby.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let mut rng = rand::rng();
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `duration4`
[INFO] [stdout]   --> src/luby.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let duration4 = start.elapsed();
[INFO] [stdout]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_duration4`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/luby.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let mut rng = rand::rng();
[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: unused variable: `rng`
[INFO] [stdout]    --> src/luby.rs:149:13
[INFO] [stdout]     |
[INFO] [stdout] 149 |     let mut rng: ThreadRng = rand::rng();
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `length`
[INFO] [stdout]    --> src/luby.rs:153:13
[INFO] [stdout]     |
[INFO] [stdout] 153 |         let length = graph.len();
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_length`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/luby.rs:149:9
[INFO] [stdout]     |
[INFO] [stdout] 149 |     let mut rng: ThreadRng = rand::rng();
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `duration1`
[INFO] [stdout]    --> src/luby.rs:266:13
[INFO] [stdout]     |
[INFO] [stdout] 266 |         let duration1 = start.elapsed();
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_duration1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `duration3`
[INFO] [stdout]    --> src/luby.rs:292:13
[INFO] [stdout]     |
[INFO] [stdout] 292 |         let duration3 = start.elapsed();
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_duration3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `duration4`
[INFO] [stdout]    --> src/luby.rs:308:13
[INFO] [stdout]     |
[INFO] [stdout] 308 |         let duration4 = start.elapsed();
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_duration4`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 41.86s
[INFO] running `Command { std: "docker" "inspect" "c141bf011dbd171686cb5c6bf69a1f20d46bf4a80829ffe55eb84f4580be54c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c141bf011dbd171686cb5c6bf69a1f20d46bf4a80829ffe55eb84f4580be54c1", kill_on_drop: false }`
[INFO] [stdout] c141bf011dbd171686cb5c6bf69a1f20d46bf4a80829ffe55eb84f4580be54c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 18ab098db459259831d17c22117f5d1862a3f2e270d5a9b1a65fdaab73876213
[INFO] running `Command { std: "docker" "start" "-a" "18ab098db459259831d17c22117f5d1862a3f2e270d5a9b1a65fdaab73876213", kill_on_drop: false }`
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/luby.rs:255:20
[INFO] [stdout]     |
[INFO] [stdout] 255 |                 if (degree == 0.0) {
[INFO] [stdout]     |                    ^             ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 255 -                 if (degree == 0.0) {
[INFO] [stdout] 255 +                 if degree == 0.0 {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rng`
[INFO] [stdout]   --> src/luby.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let mut rng = rand::rng();
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling project v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `duration4`
[INFO] [stdout]   --> src/luby.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let duration4 = start.elapsed();
[INFO] [stdout]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_duration4`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/luby.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let mut rng = rand::rng();
[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: unused variable: `rng`
[INFO] [stdout]    --> src/luby.rs:149:13
[INFO] [stdout]     |
[INFO] [stdout] 149 |     let mut rng: ThreadRng = rand::rng();
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `length`
[INFO] [stdout]    --> src/luby.rs:153:13
[INFO] [stdout]     |
[INFO] [stdout] 153 |         let length = graph.len();
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_length`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/luby.rs:149:9
[INFO] [stdout]     |
[INFO] [stdout] 149 |     let mut rng: ThreadRng = rand::rng();
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `duration1`
[INFO] [stdout]    --> src/luby.rs:266:13
[INFO] [stdout]     |
[INFO] [stdout] 266 |         let duration1 = start.elapsed();
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_duration1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `duration3`
[INFO] [stdout]    --> src/luby.rs:292:13
[INFO] [stdout]     |
[INFO] [stdout] 292 |         let duration3 = start.elapsed();
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_duration3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `duration4`
[INFO] [stdout]    --> src/luby.rs:308:13
[INFO] [stdout]     |
[INFO] [stdout] 308 |         let duration4 = start.elapsed();
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_duration4`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/luby.rs:255:20
[INFO] [stdout]     |
[INFO] [stdout] 255 |                 if (degree == 0.0) {
[INFO] [stdout]     |                    ^             ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 255 -                 if (degree == 0.0) {
[INFO] [stdout] 255 +                 if degree == 0.0 {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HashMap` and `HashSet`
[INFO] [stdout]  --> src/main.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::{HashMap, HashSet};
[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 variable: `rng`
[INFO] [stdout]   --> src/luby.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let mut rng = rand::rng();
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `duration4`
[INFO] [stdout]   --> src/luby.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let duration4 = start.elapsed();
[INFO] [stdout]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_duration4`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/luby.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let mut rng = rand::rng();
[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: unused variable: `rng`
[INFO] [stdout]    --> src/luby.rs:149:13
[INFO] [stdout]     |
[INFO] [stdout] 149 |     let mut rng: ThreadRng = rand::rng();
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `length`
[INFO] [stdout]    --> src/luby.rs:153:13
[INFO] [stdout]     |
[INFO] [stdout] 153 |         let length = graph.len();
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_length`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/luby.rs:149:9
[INFO] [stdout]     |
[INFO] [stdout] 149 |     let mut rng: ThreadRng = rand::rng();
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `duration1`
[INFO] [stdout]    --> src/luby.rs:266:13
[INFO] [stdout]     |
[INFO] [stdout] 266 |         let duration1 = start.elapsed();
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_duration1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `duration3`
[INFO] [stdout]    --> src/luby.rs:292:13
[INFO] [stdout]     |
[INFO] [stdout] 292 |         let duration3 = start.elapsed();
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_duration3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `duration4`
[INFO] [stdout]    --> src/luby.rs:308:13
[INFO] [stdout]     |
[INFO] [stdout] 308 |         let duration4 = start.elapsed();
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_duration4`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/luby.rs:255:20
[INFO] [stdout]     |
[INFO] [stdout] 255 |                 if (degree == 0.0) {
[INFO] [stdout]     |                    ^             ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 255 -                 if (degree == 0.0) {
[INFO] [stdout] 255 +                 if degree == 0.0 {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/luby.rs:255:20
[INFO] [stdout]     |
[INFO] [stdout] 255 |                 if (degree == 0.0) {
[INFO] [stdout]     |                    ^             ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 255 -                 if (degree == 0.0) {
[INFO] [stdout] 255 +                 if degree == 0.0 {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HashMap` and `HashSet`
[INFO] [stdout]  --> src/main.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::{HashMap, HashSet};
[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 variable: `rng`
[INFO] [stdout]   --> src/luby.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let mut rng = rand::rng();
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `duration4`
[INFO] [stdout]   --> src/luby.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let duration4 = start.elapsed();
[INFO] [stdout]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_duration4`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/luby.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let mut rng = rand::rng();
[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: unused import: `luby_algo_par_chunck2`
[INFO] [stdout]  --> tests/luby_test.rs:2:64
[INFO] [stdout]   |
[INFO] [stdout] 2 | use project::luby::{luby_algo, luby_seq, luby_algo_par_chunck, luby_algo_par_chunck2};
[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: `rand::seq::SliceRandom`
[INFO] [stdout]  --> tests/luby_test.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rand::seq::SliceRandom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rng`
[INFO] [stdout]    --> src/luby.rs:149:13
[INFO] [stdout]     |
[INFO] [stdout] 149 |     let mut rng: ThreadRng = rand::rng();
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `length`
[INFO] [stdout]    --> src/luby.rs:153:13
[INFO] [stdout]     |
[INFO] [stdout] 153 |         let length = graph.len();
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_length`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/luby.rs:149:9
[INFO] [stdout]     |
[INFO] [stdout] 149 |     let mut rng: ThreadRng = rand::rng();
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `duration1`
[INFO] [stdout]    --> src/luby.rs:266:13
[INFO] [stdout]     |
[INFO] [stdout] 266 |         let duration1 = start.elapsed();
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_duration1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `duration3`
[INFO] [stdout]    --> src/luby.rs:292:13
[INFO] [stdout]     |
[INFO] [stdout] 292 |         let duration3 = start.elapsed();
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_duration3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `duration4`
[INFO] [stdout]    --> src/luby.rs:308:13
[INFO] [stdout]     |
[INFO] [stdout] 308 |         let duration4 = start.elapsed();
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_duration4`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mis_new`
[INFO] [stdout]    --> tests/luby_test.rs:150:9
[INFO] [stdout]     |
[INFO] [stdout] 150 |     let mis_new = luby_algo_par_chunck(&large_cycle_graph);
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mis_new`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rng`
[INFO] [stdout]   --> src/luby.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let mut rng = rand::rng();
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `duration4`
[INFO] [stdout]   --> src/luby.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let duration4 = start.elapsed();
[INFO] [stdout]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_duration4`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/luby.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let mut rng = rand::rng();
[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: unused variable: `rng`
[INFO] [stdout]    --> src/luby.rs:149:13
[INFO] [stdout]     |
[INFO] [stdout] 149 |     let mut rng: ThreadRng = rand::rng();
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `length`
[INFO] [stdout]    --> src/luby.rs:153:13
[INFO] [stdout]     |
[INFO] [stdout] 153 |         let length = graph.len();
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_length`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/luby.rs:149:9
[INFO] [stdout]     |
[INFO] [stdout] 149 |     let mut rng: ThreadRng = rand::rng();
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `duration1`
[INFO] [stdout]    --> src/luby.rs:266:13
[INFO] [stdout]     |
[INFO] [stdout] 266 |         let duration1 = start.elapsed();
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_duration1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `duration3`
[INFO] [stdout]    --> src/luby.rs:292:13
[INFO] [stdout]     |
[INFO] [stdout] 292 |         let duration3 = start.elapsed();
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_duration3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `duration4`
[INFO] [stdout]    --> src/luby.rs:308:13
[INFO] [stdout]     |
[INFO] [stdout] 308 |         let duration4 = start.elapsed();
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_duration4`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "18ab098db459259831d17c22117f5d1862a3f2e270d5a9b1a65fdaab73876213", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18ab098db459259831d17c22117f5d1862a3f2e270d5a9b1a65fdaab73876213", kill_on_drop: false }`
[INFO] [stdout] 18ab098db459259831d17c22117f5d1862a3f2e270d5a9b1a65fdaab73876213
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a5c44f71075ba26c3ab3d59e4fd8e173971c6f7e76104754e913b1543dbb7453
[INFO] running `Command { std: "docker" "start" "-a" "a5c44f71075ba26c3ab3d59e4fd8e173971c6f7e76104754e913b1543dbb7453", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/luby.rs:255:20
[INFO] [stderr]     |
[INFO] [stderr] 255 |                 if (degree == 0.0) {
[INFO] [stderr]     |                    ^             ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 255 -                 if (degree == 0.0) {
[INFO] [stderr] 255 +                 if degree == 0.0 {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rng`
[INFO] [stderr]   --> src/luby.rs:12:13
[INFO] [stderr]    |
[INFO] [stderr] 12 |     let mut rng = rand::rng();
[INFO] [stderr]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `duration4`
[INFO] [stderr]   --> src/luby.rs:22:13
[INFO] [stderr]    |
[INFO] [stderr] 22 |         let duration4 = start.elapsed();
[INFO] [stderr]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_duration4`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/luby.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 12 |     let mut rng = rand::rng();
[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: unused variable: `rng`
[INFO] [stderr]    --> src/luby.rs:149:13
[INFO] [stderr]     |
[INFO] [stderr] 149 |     let mut rng: ThreadRng = rand::rng();
[INFO] [stderr]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `length`
[INFO] [stderr]    --> src/luby.rs:153:13
[INFO] [stderr]     |
[INFO] [stderr] 153 |         let length = graph.len();
[INFO] [stderr]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_length`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/luby.rs:149:9
[INFO] [stderr]     |
[INFO] [stderr] 149 |     let mut rng: ThreadRng = rand::rng();
[INFO] [stderr]     |         ----^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `duration1`
[INFO] [stderr]    --> src/luby.rs:266:13
[INFO] [stderr]     |
[INFO] [stderr] 266 |         let duration1 = start.elapsed();
[INFO] [stderr]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_duration1`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `duration3`
[INFO] [stderr]    --> src/luby.rs:292:13
[INFO] [stderr]     |
[INFO] [stderr] 292 |         let duration3 = start.elapsed();
[INFO] [stderr]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_duration3`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `duration4`
[INFO] [stderr]    --> src/luby.rs:308:13
[INFO] [stderr]     |
[INFO] [stderr] 308 |         let duration4 = start.elapsed();
[INFO] [stderr]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_duration4`
[INFO] [stderr] 
[INFO] [stderr] warning: `project` (lib) generated 10 warnings (run `cargo fix --lib -p project` to apply 3 suggestions)
[INFO] [stderr] warning: `project` (lib test) generated 10 warnings (10 duplicates)
[INFO] [stderr] warning: unused imports: `HashMap` and `HashSet`
[INFO] [stderr]  --> src/main.rs:2:24
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::collections::{HashMap, HashSet};
[INFO] [stderr]   |                        ^^^^^^^  ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `luby_algo_par_chunck2`
[INFO] [stderr]  --> tests/luby_test.rs:2:64
[INFO] [stderr]   |
[INFO] [stderr] 2 | use project::luby::{luby_algo, luby_seq, luby_algo_par_chunck, luby_algo_par_chunck2};
[INFO] [stderr]   |                                                                ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::seq::SliceRandom`
[INFO] [stderr]  --> tests/luby_test.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use rand::seq::SliceRandom;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `mis_new`
[INFO] [stderr]    --> tests/luby_test.rs:150:9
[INFO] [stderr]     |
[INFO] [stderr] 150 |     let mis_new = luby_algo_par_chunck(&large_cycle_graph);
[INFO] [stderr]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mis_new`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `project` (bin "project" test) generated 11 warnings (10 duplicates) (run `cargo fix --bin "project" --tests` to apply 1 suggestion)
[INFO] [stderr] warning: `project` (bin "project") generated 11 warnings (11 duplicates)
[INFO] [stderr] warning: `project` (test "luby_test") generated 3 warnings (run `cargo fix --test "luby_test"` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/project-43ccf58e6898026a)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/project-c02767f4d4f2b592)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/luby_test.rs (/opt/rustwide/target/debug/deps/luby_test-5cf212e3b19ab255)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test test_normal_graph ... ok
[INFO] [stdout] test test_star_graph ... ok
[INFO] [stdout] test test_cycle_graph ... ok
[INFO] [stdout] test test_complex_graph ... FAILED
[INFO] [stdout] test test_large_cycle_graph ... ok
[INFO] [stderr] error: test failed, to rerun pass `--test luby_test`
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- test_complex_graph stdout ----
[INFO] [stdout] Parallel Luby algorithm execution time: 5.8179ms
[INFO] [stdout] Test passed with parallel maximal independent set: {"D", "B", "X4"}
[INFO] [stdout] The duration for making degrees sequentially : 10.56µs
[INFO] [stdout] The duration for making degrees sequentially : 2.92µs
[INFO] [stdout] The duration for making degrees sequentially : 2.53µs
[INFO] [stdout] Sequential Luby algorithm execution time: 149.29µs
[INFO] [stdout] Test passed with sequential maximal independent set: {"X3", "D", "A"}
[INFO] [stdout]  The degree parallel: 237.55µs
[INFO] [stdout] 
[INFO] [stdout] thread 'test_complex_graph' (26) panicked at src/luby.rs:25:57:
[INFO] [stdout] chunk_size must not be zero
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x61e19aee3f02 - std::backtrace_rs::backtrace::libunwind::trace::hcab59e1e990fdc24
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x61e19aee3f02 - std::backtrace_rs::backtrace::trace_unsynchronized::he24cc57f3d2f47b7
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x61e19aee3f02 - std::sys::backtrace::_print_fmt::hf8d65ede198eeb54
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x61e19aee3f02 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h67edf0e4d33c343c
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x61e19aef4acf - core::fmt::rt::Argument::fmt::hef94184842aeafdd
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x61e19aef4acf - core::fmt::write::hcf0c66b48a8fa606
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/mod.rs:1468:25
[INFO] [stdout]    6:     0x61e19aeb1031 - std::io::default_write_fmt::h69967ac0ba93195f
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x61e19aeb1031 - std::io::Write::write_fmt::h8db9396209deaa1c
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x61e19aebd172 - std::sys::backtrace::BacktraceLock::print::h07e5435aa717b414
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x61e19aec1e5f - std::panicking::default_hook::{{closure}}::h91001850288db5f7
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x61e19aec1cf1 - std::panicking::default_hook::h2346dbb704ef5512
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:325:9
[INFO] [stdout]   11:     0x61e19ada44fe - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h18383b2e29377420
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:1999:9
[INFO] [stdout]   12:     0x61e19ada44fe - test::test_main_with_exit_callback::{{closure}}::h272d7ef99aef06dc
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x61e19aec25cf - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h6dba6e441651a0d1
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:1999:9
[INFO] [stdout]   14:     0x61e19aec25cf - std::panicking::panic_with_hook::hd2b063a6090d23a4
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:842:13
[INFO] [stdout]   15:     0x61e19aec2346 - std::panicking::panic_handler::{{closure}}::he666d95f139a333e
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:700:13
[INFO] [stdout]   16:     0x61e19aebd2a9 - std::sys::backtrace::__rust_end_short_backtrace::h631ad224854ebee5
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x61e19aea54fd - __rustc[1d67440d6e82e4f]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:698:5
[INFO] [stdout]   18:     0x61e19aefc6b0 - core::panicking::panic_fmt::h420ddb7fd73daf53
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x61e19ae238ff - rayon::slice::ParallelSlice::par_chunks::h927ae3de988c31ec
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rayon-1.10.0/src/slice/mod.rs:115:9
[INFO] [stdout]   20:     0x61e19ae175d0 - project::luby::luby_algo_par_chunck::h23dae256605e43ae
[INFO] [stdout]                                at /opt/rustwide/workdir/src/luby.rs:25:57
[INFO] [stdout]   21:     0x61e19ad82815 - luby_test::test_complex_graph::h04d448f80b4690ba
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/luby_test.rs:96:19
[INFO] [stdout]   22:     0x61e19ad82c87 - luby_test::test_complex_graph::{{closure}}::hf70a2e2fed68ac0f
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/luby_test.rs:65:24
[INFO] [stdout]   23:     0x61e19ad789d6 - core::ops::function::FnOnce::call_once::hd79d56d403d7fae6
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x61e19ada42bb - core::ops::function::FnOnce::call_once::h70887edf07a630ba
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x61e19ada42bb - test::__rust_begin_short_backtrace::h27763c4cbbdb8601
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x61e19adb9f25 - test::run_test_in_process::{{closure}}::h4dc8bc6d5e3924d3
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x61e19adb9f25 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h75905e8ffe81974f
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x61e19adb9f25 - std::panicking::catch_unwind::do_call::h0bc60366ba66eba5
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40
[INFO] [stdout]   29:     0x61e19adb9f25 - std::panicking::catch_unwind::hae1ec7bf94407afa
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19
[INFO] [stdout]   30:     0x61e19adb9f25 - std::panic::catch_unwind::h0f4ff4773d84d3cd
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x61e19adb9f25 - test::run_test_in_process::h03fbc77ae48b3f10
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x61e19adb9f25 - test::run_test::{{closure}}::h83476a9c453dc4d3
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x61e19ad90714 - test::run_test::{{closure}}::h515482ad1e7fe7de
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x61e19ad90714 - std::sys::backtrace::__rust_begin_short_backtrace::hed09f6ac5fe9d647
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   35:     0x61e19ad93fda - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h988e2cd969319888
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   36:     0x61e19ad93fda - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hd70e28dc46ec20be
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x61e19ad93fda - std::panicking::catch_unwind::do_call::hdc29e11311eb7655
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40
[INFO] [stdout]   38:     0x61e19ad93fda - std::panicking::catch_unwind::h9e402d6a96fef41c
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19
[INFO] [stdout]   39:     0x61e19ad93fda - std::panic::catch_unwind::h9213c0c54aec70e0
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x61e19ad93fda - std::thread::Builder::spawn_unchecked_::{{closure}}::h6262965869ed2b87
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   41:     0x61e19ad93fda - core::ops::function::FnOnce::call_once{{vtable.shim}}::h05c05ed02619e462
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x61e19aeb840f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h2044e71c41d3958a
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   43:     0x61e19aeb840f - std::sys::thread::unix::Thread::new::thread_start::hf277835320aa8e5a
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/thread/unix.rs:126:17
[INFO] [stdout]   44:     0x7e750559aaa4 - <unknown>
[INFO] [stdout]   45:     0x7e7505627a34 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     test_complex_graph
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 4 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.11s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a5c44f71075ba26c3ab3d59e4fd8e173971c6f7e76104754e913b1543dbb7453", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5c44f71075ba26c3ab3d59e4fd8e173971c6f7e76104754e913b1543dbb7453", kill_on_drop: false }`
[INFO] [stdout] a5c44f71075ba26c3ab3d59e4fd8e173971c6f7e76104754e913b1543dbb7453
