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[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChoateProgrammingUnion%2Fhousing-lottery-optimization" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
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[INFO] started tweaking git repo https://github.com/ChoateProgrammingUnion/housing-lottery-optimization
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[INFO] crate git repo https://github.com/ChoateProgrammingUnion/housing-lottery-optimization already has a lockfile, it will not be regenerated
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[INFO] [stdout] warning: unused import: `ballot::Ballot`
[INFO] [stdout]   --> src/optimizers/mcmc.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |     use ballot::Ballot;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/optimizers/mcmc/minimax.rs:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let mut extra_room_constant: usize = 0;
[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/optimizers/mcmc/minimax.rs:41:13
[INFO] [stdout]    |
[INFO] [stdout] 41 |         let mut other_constant: f64 = 0.5;
[INFO] [stdout]    |             ----^^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `extra_room_float`
[INFO] [stdout]   --> src/optimizers/mcmc/minimax.rs:39:13
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let extra_room_float: f64 = 0.1;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_extra_room_float`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `extra_room_constant`
[INFO] [stdout]   --> src/optimizers/mcmc/minimax.rs:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let mut extra_room_constant: usize = 0;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_extra_room_constant`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other_constant`
[INFO] [stdout]   --> src/optimizers/mcmc/minimax.rs:41:13
[INFO] [stdout]    |
[INFO] [stdout] 41 |         let mut other_constant: f64 = 0.5;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_other_constant`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new_seed`
[INFO] [stdout]    --> src/optimizers/mcmcswap/mcmc_swap.rs:166:26
[INFO] [stdout]     |
[INFO] [stdout] 166 |     fn reseed(&mut self, new_seed: u64) {}
[INFO] [stdout]     |                          ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_seed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `objective` is never used
[INFO] [stdout]   --> src/optimizers.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub trait Optimizer {
[INFO] [stdout]    |           --------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 21 |     fn objective(&self) -> f64; // the objective function to optimize
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `size` is never used
[INFO] [stdout]   --> src/optimizers/mcmc/minimax_swap.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl MinimaxSwap {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 18 |     fn size(&self, schedule: Vec<Vec<Student>>) -> (Vec<Vec<Student>>, usize) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/optimizers/network.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Node {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 11 |     pub name: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Node` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/optimizers/mcmc/minimax.rs:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let mut extra_room_constant: usize = 0;
[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/optimizers/mcmc/minimax.rs:41:13
[INFO] [stdout]    |
[INFO] [stdout] 41 |         let mut other_constant: f64 = 0.5;
[INFO] [stdout]    |             ----^^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `extra_room_float`
[INFO] [stdout]   --> src/optimizers/mcmc/minimax.rs:39:13
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let extra_room_float: f64 = 0.1;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_extra_room_float`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `extra_room_constant`
[INFO] [stdout]   --> src/optimizers/mcmc/minimax.rs:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let mut extra_room_constant: usize = 0;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_extra_room_constant`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other_constant`
[INFO] [stdout]   --> src/optimizers/mcmc/minimax.rs:41:13
[INFO] [stdout]    |
[INFO] [stdout] 41 |         let mut other_constant: f64 = 0.5;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_other_constant`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new_seed`
[INFO] [stdout]    --> src/optimizers/mcmcswap/mcmc_swap.rs:166:26
[INFO] [stdout]     |
[INFO] [stdout] 166 |     fn reseed(&mut self, new_seed: u64) {}
[INFO] [stdout]     |                          ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_seed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `graph`
[INFO] [stdout]    --> src/optimizers/network.rs:253:13
[INFO] [stdout]     |
[INFO] [stdout] 253 |         let graph = optimizers::network::NetworkOptimizer::new(&ballot, 10.0, 10.0);
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_graph`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/optimizers/network.rs:260:13
[INFO] [stdout]     |
[INFO] [stdout] 260 |         let mut graph = optimizers::network::NetworkOptimizer::new(&ballot, 10.0, 10.0);
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/optimizers/network.rs:279:13
[INFO] [stdout]     |
[INFO] [stdout] 279 |         let mut graph = optimizers::network::NetworkOptimizer::new(&ballot, 10.0, 10.0);
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/optimizers/network.rs:297:13
[INFO] [stdout]     |
[INFO] [stdout] 297 |         let mut exclude: HashMap<optimizers::network::NodeIndex, bool> = HashMap::new();
[INFO] [stdout]     |             ----^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `exclude`
[INFO] [stdout]    --> src/optimizers/network.rs:297:13
[INFO] [stdout]     |
[INFO] [stdout] 297 |         let mut exclude: HashMap<optimizers::network::NodeIndex, bool> = HashMap::new();
[INFO] [stdout]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_exclude`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `objective` is never used
[INFO] [stdout]   --> src/optimizers.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub trait Optimizer {
[INFO] [stdout]    |           --------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 21 |     fn objective(&self) -> f64; // the objective function to optimize
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `size` is never used
[INFO] [stdout]   --> src/optimizers/mcmc/minimax_swap.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl MinimaxSwap {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 18 |     fn size(&self, schedule: Vec<Vec<Student>>) -> (Vec<Vec<Student>>, usize) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/optimizers/network.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Node {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 11 |     pub name: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Node` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.32s
[INFO] running `Command { std: "docker" "inspect" "69a4f1dc7550f428d4b31f763c51c1d5a1a7cee02acf7029c825ddacd5a1c20c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69a4f1dc7550f428d4b31f763c51c1d5a1a7cee02acf7029c825ddacd5a1c20c", kill_on_drop: false }`
[INFO] [stdout] 69a4f1dc7550f428d4b31f763c51c1d5a1a7cee02acf7029c825ddacd5a1c20c
