[INFO] cloning repository https://github.com/LuoZheng2002/csci561hw1
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LuoZheng2002/csci561hw1" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLuoZheng2002%2Fcsci561hw1", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLuoZheng2002%2Fcsci561hw1'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c2b3bb460992526f501ec725cc15bb7f1b476eb6
[INFO] checking LuoZheng2002/csci561hw1 against master#507271bc119683008ec719ecee48814e8ac86c65 for pr-146440
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLuoZheng2002%2Fcsci561hw1" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/LuoZheng2002/csci561hw1
[INFO] finished tweaking git repo https://github.com/LuoZheng2002/csci561hw1
[INFO] tweaked toml for git repo https://github.com/LuoZheng2002/csci561hw1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/LuoZheng2002/csci561hw1 on toolchain 507271bc119683008ec719ecee48814e8ac86c65
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+507271bc119683008ec719ecee48814e8ac86c65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/LuoZheng2002/csci561hw1 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" "+507271bc119683008ec719ecee48814e8ac86c65" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clap v4.5.47
[INFO] [stderr]   Downloaded feistel v0.1.0
[INFO] [stderr]   Downloaded generic-array v1.2.0
[INFO] [stderr]   Downloaded clap_builder v4.5.47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+507271bc119683008ec719ecee48814e8ac86c65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e882ccd59eee4795e9b89548c50f3f57cabfc7be366efd7863a0e0317a69a84f
[INFO] running `Command { std: "docker" "start" "-a" "e882ccd59eee4795e9b89548c50f3f57cabfc7be366efd7863a0e0317a69a84f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e882ccd59eee4795e9b89548c50f3f57cabfc7be366efd7863a0e0317a69a84f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e882ccd59eee4795e9b89548c50f3f57cabfc7be366efd7863a0e0317a69a84f", kill_on_drop: false }`
[INFO] [stdout] e882ccd59eee4795e9b89548c50f3f57cabfc7be366efd7863a0e0317a69a84f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+507271bc119683008ec719ecee48814e8ac86c65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d02e9800f66182cc7a0b868785d35a78a1edc436bebe2cd3d48a05bc19e15a3
[INFO] running `Command { std: "docker" "start" "-a" "2d02e9800f66182cc7a0b868785d35a78a1edc436bebe2cd3d48a05bc19e15a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]     Checking cfg-if v1.0.3
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking anstyle-query v1.1.4
[INFO] [stderr]     Checking generic-array v1.2.0
[INFO] [stderr]     Checking anstream v0.6.20
[INFO] [stderr]     Checking feistel v0.1.0
[INFO] [stderr]     Checking clap_builder v4.5.47
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]     Checking ordered-float v5.0.0
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr]    Compiling clap_derive v4.5.47
[INFO] [stderr]     Checking clap v4.5.47
[INFO] [stderr]     Checking rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::cmp::Reverse`
[INFO] [stdout]  --> src/cover_tree.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::cmp::Reverse;
[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: `BinaryHeap`
[INFO] [stdout]  --> src/cover_tree.rs:3:34
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::{BTreeMap, BinaryHeap};
[INFO] [stdout]   |                                  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ordered_float::NotNan`
[INFO] [stdout]  --> src/cover_tree.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use ordered_float::NotNan;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::problem::RcKey`
[INFO] [stdout]  --> src/cover_tree.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::problem::RcKey;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ordered_float::NotNan`
[INFO] [stdout]  --> src/generator.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use ordered_float::NotNan;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BinaryHeap`, `Ordering`, and `Reverse`
[INFO] [stdout]  --> src/genetic.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 |     cmp::{Ordering, Reverse},
[INFO] [stdout]   |           ^^^^^^^^  ^^^^^^^
[INFO] [stdout] 5 |     collections::{BTreeSet, BinaryHeap, VecDeque},
[INFO] [stdout]   |                             ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `seq::SliceRandom`
[INFO] [stdout]   --> src/genetic.rs:11:44
[INFO] [stdout]    |
[INFO] [stdout] 11 | use rand::{Rng, SeedableRng, rngs::StdRng, seq::SliceRandom};
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RcKey`
[INFO] [stdout]   --> src/genetic.rs:13:43
[INFO] [stdout]    |
[INFO] [stdout] 13 | use crate::problem::{Population, Problem, RcKey, Solution};
[INFO] [stdout]    |                                           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `collections::BinaryHeap`
[INFO] [stdout]  --> src/problem.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     collections::BinaryHeap,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `seq::SliceRandom`
[INFO] [stdout]   --> src/problem.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     seq::SliceRandom,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp::Reverse`
[INFO] [stdout]  --> src/cover_tree.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::cmp::Reverse;
[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: `BinaryHeap`
[INFO] [stdout]  --> src/cover_tree.rs:3:34
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::{BTreeMap, BinaryHeap};
[INFO] [stdout]   |                                  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ordered_float::NotNan`
[INFO] [stdout]  --> src/cover_tree.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use ordered_float::NotNan;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::problem::RcKey`
[INFO] [stdout]  --> src/cover_tree.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::problem::RcKey;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ordered_float::NotNan`
[INFO] [stdout]  --> src/generator.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use ordered_float::NotNan;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BinaryHeap`, `Ordering`, and `Reverse`
[INFO] [stdout]  --> src/genetic.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 |     cmp::{Ordering, Reverse},
[INFO] [stdout]   |           ^^^^^^^^  ^^^^^^^
[INFO] [stdout] 5 |     collections::{BTreeSet, BinaryHeap, VecDeque},
[INFO] [stdout]   |                             ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `seq::SliceRandom`
[INFO] [stdout]   --> src/genetic.rs:11:44
[INFO] [stdout]    |
[INFO] [stdout] 11 | use rand::{Rng, SeedableRng, rngs::StdRng, seq::SliceRandom};
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RcKey`
[INFO] [stdout]   --> src/genetic.rs:13:43
[INFO] [stdout]    |
[INFO] [stdout] 13 | use crate::problem::{Population, Problem, RcKey, Solution};
[INFO] [stdout]    |                                           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `collections::BinaryHeap`
[INFO] [stdout]  --> src/problem.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     collections::BinaryHeap,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `seq::SliceRandom`
[INFO] [stdout]   --> src/problem.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     seq::SliceRandom,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/genetic.rs:176:41
[INFO] [stdout]     |
[INFO] [stdout] 175 |   ...                   return;
[INFO] [stdout]     |                         ------ any code following this expression is unreachable
[INFO] [stdout] 176 | / ...                   assert!(
[INFO] [stdout] 177 | | ...                       new_child2
[INFO] [stdout] 178 | | ...                           .is_valid(parent2.order_without_loop.len() as u32)
[INFO] [stdout] 179 | | ...                   );
[INFO] [stdout]     | |_______________________^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/genetic.rs:176:41
[INFO] [stdout]     |
[INFO] [stdout] 175 |   ...                   return;
[INFO] [stdout]     |                         ------ any code following this expression is unreachable
[INFO] [stdout] 176 | / ...                   assert!(
[INFO] [stdout] 177 | | ...                       new_child2
[INFO] [stdout] 178 | | ...                           .is_valid(parent2.order_without_loop.len() as u32)
[INFO] [stdout] 179 | | ...                   );
[INFO] [stdout]     | |_______________________^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/random_perm.rs:62:23
[INFO] [stdout]    |
[INFO] [stdout] 62 |     fn feistel(&self, mut x: u32) -> u32 {
[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/random_perm.rs:62:23
[INFO] [stdout]    |
[INFO] [stdout] 62 |     fn feistel(&self, mut x: u32) -> u32 {
[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 imports: `SeedableRng` and `rngs::StdRng`
[INFO] [stdout]  --> src/main.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rand::{SeedableRng, rngs::StdRng};
[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 imports: `CoverTree`, `Distance`, `Solution`, `generator::ProblemGenerator`, `genetic::GeneticAlgorithm`, and `self`
[INFO] [stdout]  --> src/main.rs:6:18
[INFO] [stdout]   |
[INFO] [stdout] 6 |     cover_tree::{CoverTree, Distance},
[INFO] [stdout]   |                  ^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 7 |     generator::ProblemGenerator,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 8 |     genetic::GeneticAlgorithm,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 9 |     problem::{self, City, Problem, Solution},
[INFO] [stdout]   |               ^^^^                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SeedableRng` and `rngs::StdRng`
[INFO] [stdout]  --> src/main.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rand::{SeedableRng, rngs::StdRng};
[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 imports: `CoverTree`, `Distance`, `Solution`, `generator::ProblemGenerator`, `genetic::GeneticAlgorithm`, and `self`
[INFO] [stdout]  --> src/main.rs:6:18
[INFO] [stdout]   |
[INFO] [stdout] 6 |     cover_tree::{CoverTree, Distance},
[INFO] [stdout]   |                  ^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 7 |     generator::ProblemGenerator,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 8 |     genetic::GeneticAlgorithm,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 9 |     problem::{self, City, Problem, Solution},
[INFO] [stdout]   |               ^^^^                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]  --> tests/pressure_test.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cell::RefCell;
[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::distr::Uniform`
[INFO] [stdout]  --> tests/pressure_test.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rand::distr::Uniform;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::rngs::StdRng`
[INFO] [stdout]  --> tests/pressure_test.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rand::rngs::StdRng;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::seq::SliceRandom`
[INFO] [stdout]  --> tests/pressure_test.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rand::seq::SliceRandom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Rng` and `SeedableRng`
[INFO] [stdout]  --> tests/pressure_test.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | use rand::{Rng, SeedableRng};
[INFO] [stdout]   |            ^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:79:9
[INFO] [stdout]    |
[INFO] [stdout] 79 |     let mut timer = Instant::now(); // Assumes Timer::new() and start() exist
[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/main.rs:79:9
[INFO] [stdout]    |
[INFO] [stdout] 79 |     let mut timer = Instant::now(); // Assumes Timer::new() and start() exist
[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: `File`
[INFO] [stdout]  --> tests/test_generate.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::{File, OpenOptions};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.27s
[INFO] running `Command { std: "docker" "inspect" "2d02e9800f66182cc7a0b868785d35a78a1edc436bebe2cd3d48a05bc19e15a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d02e9800f66182cc7a0b868785d35a78a1edc436bebe2cd3d48a05bc19e15a3", kill_on_drop: false }`
[INFO] [stdout] 2d02e9800f66182cc7a0b868785d35a78a1edc436bebe2cd3d48a05bc19e15a3
