Dec 19 21:12:19.703 INFO checking ZangaiFamily/matching against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 21:12:19.703 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-4/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/ZangaiFamily/matching:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 21:12:20.108 INFO [stdout] 2c34eaa024907539ccda48fdc7ede34692976a6c077c21aa540b82a6d8aebce2
Dec 19 21:12:20.110 INFO running `"docker" "start" "-a" "2c34eaa024907539ccda48fdc7ede34692976a6c077c21aa540b82a6d8aebce2"`
Dec 19 21:12:20.894 INFO [stderr]     Checking num-integer v0.1.39
Dec 19 21:12:20.894 INFO [stderr]     Checking num-complex v0.2.0
Dec 19 21:12:20.894 INFO [stderr]     Checking serde_json v1.0.26
Dec 19 21:12:21.596 INFO [stderr]     Checking num-bigint v0.2.0
Dec 19 21:12:21.596 INFO [stderr]     Checking num-iter v0.1.37
Dec 19 21:12:23.538 INFO [stderr]     Checking num-rational v0.2.1
Dec 19 21:12:24.255 INFO [stderr]     Checking num v0.2.0
Dec 19 21:12:24.492 INFO [stderr]     Checking rust_decimal v0.10.1
Dec 19 21:12:25.215 INFO [stderr]     Checking matching v0.1.0 (/opt/crater/workdir)
Dec 19 21:12:25.528 INFO [stderr] warning: unused import: `Error`
Dec 19 21:12:25.528 INFO [stderr]  --> src/main.rs:5:25
Dec 19 21:12:25.528 INFO [stderr]   |
Dec 19 21:12:25.528 INFO [stderr] 5 | use serde_json::{Value, Error};
Dec 19 21:12:25.528 INFO [stderr]   |                         ^^^^^
Dec 19 21:12:25.528 INFO [stderr]   |
Dec 19 21:12:25.528 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 21:12:25.528 INFO [stderr] 
Dec 19 21:12:25.528 INFO [stderr] warning: unused import: `std::fs::read_to_string`
Dec 19 21:12:25.528 INFO [stderr]  --> src/main.rs:8:5
Dec 19 21:12:25.529 INFO [stderr]   |
Dec 19 21:12:25.529 INFO [stderr] 8 | use std::fs::read_to_string;
Dec 19 21:12:25.529 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:12:25.529 INFO [stderr] 
Dec 19 21:12:25.529 INFO [stderr] warning: unused import: `std::io::BufReader`
Dec 19 21:12:25.529 INFO [stderr]   --> src/main.rs:10:5
Dec 19 21:12:25.529 INFO [stderr]    |
Dec 19 21:12:25.529 INFO [stderr] 10 | use std::io::BufReader;
Dec 19 21:12:25.529 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Dec 19 21:12:25.529 INFO [stderr] 
Dec 19 21:12:25.529 INFO [stderr] warning: unused import: `std::collections::LinkedList`
Dec 19 21:12:25.529 INFO [stderr]  --> src/structs/order_book.rs:1:5
Dec 19 21:12:25.529 INFO [stderr]   |
Dec 19 21:12:25.529 INFO [stderr] 1 | use std::collections::LinkedList;
Dec 19 21:12:25.529 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:12:25.529 INFO [stderr] 
Dec 19 21:12:25.529 INFO [stderr] warning: unused import: `std::cmp::Ord`
Dec 19 21:12:25.529 INFO [stderr]  --> src/structs/order_book.rs:2:5
Dec 19 21:12:25.529 INFO [stderr]   |
Dec 19 21:12:25.529 INFO [stderr] 2 | use std::cmp::Ord;
Dec 19 21:12:25.529 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 19 21:12:25.529 INFO [stderr] 
Dec 19 21:12:25.529 INFO [stderr] warning: unused import: `std::cmp`
Dec 19 21:12:25.529 INFO [stderr]  --> src/structs/order_book.rs:4:5
Dec 19 21:12:25.529 INFO [stderr]   |
Dec 19 21:12:25.529 INFO [stderr] 4 | use std::cmp;
Dec 19 21:12:25.529 INFO [stderr]   |     ^^^^^^^^
Dec 19 21:12:25.529 INFO [stderr] 
Dec 19 21:12:25.531 INFO [stderr] warning: unused import: `std::cmp::Ord`
Dec 19 21:12:25.531 INFO [stderr]  --> src/ds/list.rs:1:5
Dec 19 21:12:25.531 INFO [stderr]   |
Dec 19 21:12:25.531 INFO [stderr] 1 | use std::cmp::Ord;
Dec 19 21:12:25.531 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 19 21:12:25.531 INFO [stderr] 
Dec 19 21:12:25.531 INFO [stderr] warning: unused import: `std::cmp::Ordering`
Dec 19 21:12:25.531 INFO [stderr]  --> src/ds/list.rs:3:5
Dec 19 21:12:25.531 INFO [stderr]   |
Dec 19 21:12:25.531 INFO [stderr] 3 | use std::cmp::Ordering;
Dec 19 21:12:25.531 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 19 21:12:25.531 INFO [stderr] 
Dec 19 21:12:25.541 INFO [stderr] warning: unused import: `rust_decimal::Decimal`
Dec 19 21:12:25.541 INFO [stderr]  --> src/main.rs:3:5
Dec 19 21:12:25.541 INFO [stderr]   |
Dec 19 21:12:25.541 INFO [stderr] 3 | use rust_decimal::Decimal;
Dec 19 21:12:25.541 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:12:25.541 INFO [stderr]   |
Dec 19 21:12:25.541 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 21:12:25.541 INFO [stderr] 
Dec 19 21:12:25.541 INFO [stderr] warning: unused imports: `Error`, `Value`
Dec 19 21:12:25.541 INFO [stderr]  --> src/main.rs:5:18
Dec 19 21:12:25.541 INFO [stderr]   |
Dec 19 21:12:25.541 INFO [stderr] 5 | use serde_json::{Value, Error};
Dec 19 21:12:25.541 INFO [stderr]   |                  ^^^^^  ^^^^^
Dec 19 21:12:25.541 INFO [stderr] 
Dec 19 21:12:25.541 INFO [stderr] warning: unused import: `std::fs::read_to_string`
Dec 19 21:12:25.541 INFO [stderr]  --> src/main.rs:8:5
Dec 19 21:12:25.541 INFO [stderr]   |
Dec 19 21:12:25.541 INFO [stderr] 8 | use std::fs::read_to_string;
Dec 19 21:12:25.541 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:12:25.541 INFO [stderr] 
Dec 19 21:12:25.541 INFO [stderr] warning: unused import: `std::io::prelude::*`
Dec 19 21:12:25.541 INFO [stderr]  --> src/main.rs:9:5
Dec 19 21:12:25.541 INFO [stderr]   |
Dec 19 21:12:25.541 INFO [stderr] 9 | use std::io::prelude::*;
Dec 19 21:12:25.541 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 19 21:12:25.541 INFO [stderr] 
Dec 19 21:12:25.541 INFO [stderr] warning: unused import: `std::io::BufReader`
Dec 19 21:12:25.541 INFO [stderr]   --> src/main.rs:10:5
Dec 19 21:12:25.541 INFO [stderr]    |
Dec 19 21:12:25.541 INFO [stderr] 10 | use std::io::BufReader;
Dec 19 21:12:25.541 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Dec 19 21:12:25.541 INFO [stderr] 
Dec 19 21:12:25.541 INFO [stderr] warning: unused import: `std::collections::LinkedList`
Dec 19 21:12:25.541 INFO [stderr]  --> src/structs/order_book.rs:1:5
Dec 19 21:12:25.541 INFO [stderr]   |
Dec 19 21:12:25.541 INFO [stderr] 1 | use std::collections::LinkedList;
Dec 19 21:12:25.541 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:12:25.541 INFO [stderr] 
Dec 19 21:12:25.541 INFO [stderr] warning: unused import: `std::cmp::Ord`
Dec 19 21:12:25.541 INFO [stderr]  --> src/structs/order_book.rs:2:5
Dec 19 21:12:25.541 INFO [stderr]   |
Dec 19 21:12:25.541 INFO [stderr] 2 | use std::cmp::Ord;
Dec 19 21:12:25.541 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 19 21:12:25.541 INFO [stderr] 
Dec 19 21:12:25.541 INFO [stderr] warning: unused import: `std::cmp`
Dec 19 21:12:25.541 INFO [stderr]  --> src/structs/order_book.rs:4:5
Dec 19 21:12:25.541 INFO [stderr]   |
Dec 19 21:12:25.544 INFO [stderr] 4 | use std::cmp;
Dec 19 21:12:25.544 INFO [stderr]   |     ^^^^^^^^
Dec 19 21:12:25.544 INFO [stderr] 
Dec 19 21:12:25.544 INFO [stderr] warning: unused import: `rust_decimal::Decimal`
Dec 19 21:12:25.544 INFO [stderr]  --> src/structs/order_book.rs:5:5
Dec 19 21:12:25.544 INFO [stderr]   |
Dec 19 21:12:25.544 INFO [stderr] 5 | use rust_decimal::Decimal;
Dec 19 21:12:25.544 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:12:25.544 INFO [stderr] 
Dec 19 21:12:25.544 INFO [stderr] warning: unused import: `std::cmp::Ord`
Dec 19 21:12:25.544 INFO [stderr]  --> src/ds/list.rs:1:5
Dec 19 21:12:25.544 INFO [stderr]   |
Dec 19 21:12:25.544 INFO [stderr] 1 | use std::cmp::Ord;
Dec 19 21:12:25.544 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 19 21:12:25.544 INFO [stderr] 
Dec 19 21:12:25.545 INFO [stderr] warning: unused import: `std::cmp::Ordering`
Dec 19 21:12:25.545 INFO [stderr]  --> src/ds/list.rs:3:5
Dec 19 21:12:25.545 INFO [stderr]   |
Dec 19 21:12:25.545 INFO [stderr] 3 | use std::cmp::Ordering;
Dec 19 21:12:25.545 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 19 21:12:25.545 INFO [stderr] 
Dec 19 21:12:25.546 INFO [stderr] warning: unused import: `test::Bencher`
Dec 19 21:12:25.546 INFO [stderr]   --> src/main.rs:24:5
Dec 19 21:12:25.546 INFO [stderr]    |
Dec 19 21:12:25.546 INFO [stderr] 24 | use test::Bencher;
Dec 19 21:12:25.546 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 19 21:12:25.546 INFO [stderr] 
Dec 19 21:12:25.696 INFO [stderr] warning: unused variable: `start`
Dec 19 21:12:25.696 INFO [stderr]   --> src/ds/heap.rs:37:7
Dec 19 21:12:25.696 INFO [stderr]    |
Dec 19 21:12:25.696 INFO [stderr] 37 |         let start = 0;
Dec 19 21:12:25.696 INFO [stderr]    |             ^^^^^ help: consider using `_start` instead
Dec 19 21:12:25.696 INFO [stderr]    |
Dec 19 21:12:25.696 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 21:12:25.696 INFO [stderr] 
Dec 19 21:12:25.733 INFO [stderr] warning: variant is never constructed: `Limit`
Dec 19 21:12:25.733 INFO [stderr]  --> src/structs/order.rs:8:2
Dec 19 21:12:25.733 INFO [stderr]   |
Dec 19 21:12:25.733 INFO [stderr] 8 |     Limit,
Dec 19 21:12:25.733 INFO [stderr]   |     ^^^^^
Dec 19 21:12:25.733 INFO [stderr]   |
Dec 19 21:12:25.733 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 21:12:25.733 INFO [stderr] 
Dec 19 21:12:25.733 INFO [stderr] warning: variant is never constructed: `Market`
Dec 19 21:12:25.733 INFO [stderr]  --> src/structs/order.rs:9:2
Dec 19 21:12:25.733 INFO [stderr]   |
Dec 19 21:12:25.733 INFO [stderr] 9 |     Market
Dec 19 21:12:25.733 INFO [stderr]   |     ^^^^^^
Dec 19 21:12:25.733 INFO [stderr] 
Dec 19 21:12:25.733 INFO [stderr] warning: variant is never constructed: `Ask`
Dec 19 21:12:25.733 INFO [stderr]   --> src/structs/order.rs:14:2
Dec 19 21:12:25.733 INFO [stderr]    |
Dec 19 21:12:25.733 INFO [stderr] 14 |     Ask,
Dec 19 21:12:25.733 INFO [stderr]    |     ^^^
Dec 19 21:12:25.733 INFO [stderr] 
Dec 19 21:12:25.733 INFO [stderr] warning: variant is never constructed: `Bid`
Dec 19 21:12:25.733 INFO [stderr]   --> src/structs/order.rs:15:2
Dec 19 21:12:25.733 INFO [stderr]    |
Dec 19 21:12:25.733 INFO [stderr] 15 |     Bid
Dec 19 21:12:25.733 INFO [stderr]    |     ^^^
Dec 19 21:12:25.733 INFO [stderr] 
Dec 19 21:12:25.733 INFO [stderr] warning: method is never used: `new`
Dec 19 21:12:25.733 INFO [stderr]   --> src/structs/order.rs:29:2
Dec 19 21:12:25.733 INFO [stderr]    |
Dec 19 21:12:25.733 INFO [stderr] 29 |     pub fn new(id: u64, price: &str, volume: &str, kind: OrderKind, side: OrderSide) -> Order {
Dec 19 21:12:25.733 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:12:25.733 INFO [stderr] 
Dec 19 21:12:25.733 INFO [stderr] warning: method is never used: `is_fulfilled`
Dec 19 21:12:25.733 INFO [stderr]   --> src/structs/order.rs:40:2
Dec 19 21:12:25.733 INFO [stderr]    |
Dec 19 21:12:25.733 INFO [stderr] 40 |     pub fn is_fulfilled(&self) -> bool {
Dec 19 21:12:25.733 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:12:25.733 INFO [stderr] 
Dec 19 21:12:25.733 INFO [stderr] warning: method is never used: `volume_remained`
Dec 19 21:12:25.733 INFO [stderr]   --> src/structs/order.rs:44:2
Dec 19 21:12:25.733 INFO [stderr]    |
Dec 19 21:12:25.733 INFO [stderr] 44 |     pub fn volume_remained(&self) -> Decimal {
Dec 19 21:12:25.733 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:12:25.733 INFO [stderr] 
Dec 19 21:12:25.733 INFO [stderr] warning: struct is never constructed: `OrderBook`
Dec 19 21:12:25.733 INFO [stderr]   --> src/structs/order_book.rs:10:1
Dec 19 21:12:25.733 INFO [stderr]    |
Dec 19 21:12:25.733 INFO [stderr] 10 | pub struct OrderBook {
Dec 19 21:12:25.733 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^
Dec 19 21:12:25.733 INFO [stderr] 
Dec 19 21:12:25.733 INFO [stderr] warning: method is never used: `new`
Dec 19 21:12:25.733 INFO [stderr]   --> src/structs/order_book.rs:18:2
Dec 19 21:12:25.733 INFO [stderr]    |
Dec 19 21:12:25.734 INFO [stderr] 18 |     pub fn new(side: OrderSide) -> OrderBook {
Dec 19 21:12:25.734 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:12:25.734 INFO [stderr] 
Dec 19 21:12:25.734 INFO [stderr] warning: method is never used: `add_order`
Dec 19 21:12:25.734 INFO [stderr]   --> src/structs/order_book.rs:31:2
Dec 19 21:12:25.734 INFO [stderr]    |
Dec 19 21:12:25.734 INFO [stderr] 31 |     pub fn add_order(&mut self, order: Order) {
Dec 19 21:12:25.734 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:12:25.734 INFO [stderr] 
Dec 19 21:12:25.734 INFO [stderr] warning: method is never used: `cancel_order`
Dec 19 21:12:25.734 INFO [stderr]   --> src/structs/order_book.rs:39:2
Dec 19 21:12:25.734 INFO [stderr]    |
Dec 19 21:12:25.734 INFO [stderr] 39 |     pub fn cancel_order(&mut self, order: Order) {
Dec 19 21:12:25.734 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:12:25.734 INFO [stderr] 
Dec 19 21:12:25.734 INFO [stderr] warning: struct is never constructed: `Market`
Dec 19 21:12:25.734 INFO [stderr]  --> src/structs/market.rs:4:1
Dec 19 21:12:25.734 INFO [stderr]   |
Dec 19 21:12:25.734 INFO [stderr] 4 | pub struct Market {
Dec 19 21:12:25.734 INFO [stderr]   | ^^^^^^^^^^^^^^^^^
Dec 19 21:12:25.734 INFO [stderr] 
Dec 19 21:12:25.734 INFO [stderr] warning: method is never used: `new`
Dec 19 21:12:25.734 INFO [stderr]   --> src/structs/market.rs:11:2
Dec 19 21:12:25.734 INFO [stderr]    |
Dec 19 21:12:25.734 INFO [stderr] 11 |     pub fn new(id: u64) -> Market {
Dec 19 21:12:25.734 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:12:25.734 INFO [stderr] 
Dec 19 21:12:25.734 INFO [stderr] warning: method is never used: `add_order`
Dec 19 21:12:25.734 INFO [stderr]   --> src/structs/market.rs:19:2
Dec 19 21:12:25.734 INFO [stderr]    |
Dec 19 21:12:25.734 INFO [stderr] 19 |     pub fn add_order(&mut self, order: Order) {
Dec 19 21:12:25.734 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:12:25.734 INFO [stderr] 
Dec 19 21:12:25.734 INFO [stderr] warning: method is never used: `cancel_order`
Dec 19 21:12:25.734 INFO [stderr]   --> src/structs/market.rs:26:2
Dec 19 21:12:25.734 INFO [stderr]    |
Dec 19 21:12:25.734 INFO [stderr] 26 |     pub fn cancel_order(&mut self, order: Order) {
Dec 19 21:12:25.734 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:12:25.734 INFO [stderr] 
Dec 19 21:12:25.734 INFO [stderr] warning: function is never used: `consume_limit_orders`
Dec 19 21:12:25.734 INFO [stderr]  --> src/matching/mod.rs:5:1
Dec 19 21:12:25.734 INFO [stderr]   |
Dec 19 21:12:25.734 INFO [stderr] 5 | pub fn consume_limit_orders (order: &mut Order, order_book: &mut OrderBook) {
Dec 19 21:12:25.734 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:12:25.734 INFO [stderr] 
Dec 19 21:12:25.734 INFO [stderr] warning: function is never used: `consume_market_orders`
Dec 19 21:12:25.734 INFO [stderr]   --> src/matching/mod.rs:32:1
Dec 19 21:12:25.734 INFO [stderr]    |
Dec 19 21:12:25.734 INFO [stderr] 32 | pub fn consume_market_orders (order: &mut Order, order_book: &mut OrderBook) {
Dec 19 21:12:25.734 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:12:25.734 INFO [stderr] 
Dec 19 21:12:25.734 INFO [stderr] warning: function is never used: `start_match`
Dec 19 21:12:25.734 INFO [stderr]   --> src/matching/mod.rs:46:1
Dec 19 21:12:25.734 INFO [stderr]    |
Dec 19 21:12:25.734 INFO [stderr] 46 | pub fn start_match (mut order: Order, market: &mut Market) {
Dec 19 21:12:25.734 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:12:25.734 INFO [stderr] 
Dec 19 21:12:25.734 INFO [stderr] warning: function is never used: `subtract_volume`
Dec 19 21:12:25.734 INFO [stderr]   --> src/matching/mod.rs:67:1
Dec 19 21:12:25.734 INFO [stderr]    |
Dec 19 21:12:25.734 INFO [stderr] 67 | pub fn subtract_volume(order_a: &mut Order, order_b: &mut Order) -> (bool, bool) {
Dec 19 21:12:25.734 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:12:25.734 INFO [stderr] 
Dec 19 21:12:25.734 INFO [stderr] warning: struct is never constructed: `Heap`
Dec 19 21:12:25.734 INFO [stderr]  --> src/ds/heap.rs:7:1
Dec 19 21:12:25.734 INFO [stderr]   |
Dec 19 21:12:25.734 INFO [stderr] 7 | pub struct Heap<T: Ord + WithId> {
Dec 19 21:12:25.734 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:12:25.734 INFO [stderr] 
Dec 19 21:12:25.734 INFO [stderr] warning: method is never used: `new`
Dec 19 21:12:25.734 INFO [stderr]   --> src/ds/heap.rs:13:2
Dec 19 21:12:25.734 INFO [stderr]    |
Dec 19 21:12:25.734 INFO [stderr] 13 |     pub fn new() -> Heap<T> {
Dec 19 21:12:25.734 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:12:25.734 INFO [stderr] 
Dec 19 21:12:25.734 INFO [stderr] warning: method is never used: `parent`
Dec 19 21:12:25.734 INFO [stderr]   --> src/ds/heap.rs:21:2
Dec 19 21:12:25.734 INFO [stderr]    |
Dec 19 21:12:25.734 INFO [stderr] 21 |     pub fn parent(&self, idx: usize) -> usize {
Dec 19 21:12:25.734 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:12:25.734 INFO [stderr] 
Dec 19 21:12:25.734 INFO [stderr] warning: method is never used: `left`
Dec 19 21:12:25.734 INFO [stderr]   --> src/ds/heap.rs:26:2
Dec 19 21:12:25.734 INFO [stderr]    |
Dec 19 21:12:25.734 INFO [stderr] 26 |     pub fn left(&self, idx: usize) -> usize {
Dec 19 21:12:25.734 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:12:25.734 INFO [stderr] 
Dec 19 21:12:25.734 INFO [stderr] warning: method is never used: `right`
Dec 19 21:12:25.734 INFO [stderr]   --> src/ds/heap.rs:31:2
Dec 19 21:12:25.734 INFO [stderr]    |
Dec 19 21:12:25.734 INFO [stderr] 31 |     pub fn right(&self, idx: usize) -> usize {
Dec 19 21:12:25.734 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:12:25.734 INFO [stderr] 
Dec 19 21:12:25.734 INFO [stderr] warning: method is never used: `sift_up`
Dec 19 21:12:25.734 INFO [stderr]   --> src/ds/heap.rs:36:2
Dec 19 21:12:25.734 INFO [stderr]    |
Dec 19 21:12:25.734 INFO [stderr] 36 |     pub fn sift_up(&mut self, from: usize) -> usize {
Dec 19 21:12:25.734 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:12:25.734 INFO [stderr] 
Dec 19 21:12:25.734 INFO [stderr] warning: method is never used: `sift_down`
Dec 19 21:12:25.734 INFO [stderr]   --> src/ds/heap.rs:52:2
Dec 19 21:12:25.734 INFO [stderr]    |
Dec 19 21:12:25.734 INFO [stderr] 52 |     pub fn sift_down(&mut self, from: usize) {
Dec 19 21:12:25.734 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:12:25.734 INFO [stderr] 
Dec 19 21:12:25.735 INFO [stderr] warning: method is never used: `push`
Dec 19 21:12:25.735 INFO [stderr]   --> src/ds/heap.rs:73:2
Dec 19 21:12:25.735 INFO [stderr]    |
Dec 19 21:12:25.735 INFO [stderr] 73 |     pub fn push(&mut self, elem: T) {
Dec 19 21:12:25.735 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:12:25.735 INFO [stderr] 
Dec 19 21:12:25.735 INFO [stderr] warning: method is never used: `swap`
Dec 19 21:12:25.735 INFO [stderr]   --> src/ds/heap.rs:81:2
Dec 19 21:12:25.735 INFO [stderr]    |
Dec 19 21:12:25.735 INFO [stderr] 81 |     pub fn swap(&mut self, idx_a: usize, idx_b: usize) {
Dec 19 21:12:25.735 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:12:25.735 INFO [stderr] 
Dec 19 21:12:25.735 INFO [stderr] warning: method is never used: `remove`
Dec 19 21:12:25.735 INFO [stderr]   --> src/ds/heap.rs:88:2
Dec 19 21:12:25.735 INFO [stderr]    |
Dec 19 21:12:25.735 INFO [stderr] 88 |     pub fn remove(&mut self, id: u64) {
Dec 19 21:12:25.735 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:12:25.735 INFO [stderr] 
Dec 19 21:12:25.735 INFO [stderr] warning: method is never used: `peek`
Dec 19 21:12:25.735 INFO [stderr]    --> src/ds/heap.rs:114:2
Dec 19 21:12:25.735 INFO [stderr]     |
Dec 19 21:12:25.735 INFO [stderr] 114 |     pub fn peek(&self) -> Option<&T> {
Dec 19 21:12:25.735 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:12:25.735 INFO [stderr] 
Dec 19 21:12:25.735 INFO [stderr] warning: method is never used: `peek_mut`
Dec 19 21:12:25.735 INFO [stderr]    --> src/ds/heap.rs:119:2
Dec 19 21:12:25.735 INFO [stderr]     |
Dec 19 21:12:25.735 INFO [stderr] 119 |     pub fn peek_mut(&mut self) -> Option<&mut T> {
Dec 19 21:12:25.735 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:12:25.735 INFO [stderr] 
Dec 19 21:12:25.735 INFO [stderr] warning: method is never used: `pop`
Dec 19 21:12:25.735 INFO [stderr]    --> src/ds/heap.rs:124:2
Dec 19 21:12:25.735 INFO [stderr]     |
Dec 19 21:12:25.735 INFO [stderr] 124 |     pub fn pop(&mut self) {
Dec 19 21:12:25.735 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:12:25.735 INFO [stderr] 
Dec 19 21:12:25.735 INFO [stderr] warning: method is never used: `len`
Dec 19 21:12:25.735 INFO [stderr]    --> src/ds/heap.rs:130:2
Dec 19 21:12:25.735 INFO [stderr]     |
Dec 19 21:12:25.735 INFO [stderr] 130 |     pub fn len(&self) -> usize {
Dec 19 21:12:25.735 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:12:25.735 INFO [stderr] 
Dec 19 21:12:25.735 INFO [stderr] warning: struct is never constructed: `List`
Dec 19 21:12:25.735 INFO [stderr]  --> src/ds/list.rs:7:1
Dec 19 21:12:25.735 INFO [stderr]   |
Dec 19 21:12:25.735 INFO [stderr] 7 | pub struct List<T: WithId> {
Dec 19 21:12:25.735 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:12:25.735 INFO [stderr] 
Dec 19 21:12:25.735 INFO [stderr] warning: struct is never constructed: `Node`
Dec 19 21:12:25.735 INFO [stderr]   --> src/ds/list.rs:15:1
Dec 19 21:12:25.735 INFO [stderr]    |
Dec 19 21:12:25.735 INFO [stderr] 15 | pub struct Node<T> {
Dec 19 21:12:25.735 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^
Dec 19 21:12:25.735 INFO [stderr] 
Dec 19 21:12:25.735 INFO [stderr] warning: method is never used: `new`
Dec 19 21:12:25.735 INFO [stderr]   --> src/ds/list.rs:22:2
Dec 19 21:12:25.735 INFO [stderr]    |
Dec 19 21:12:25.735 INFO [stderr] 22 |     pub fn new() -> List<T> {
Dec 19 21:12:25.735 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:12:25.735 INFO [stderr] 
Dec 19 21:12:25.735 INFO [stderr] warning: method is never used: `len`
Dec 19 21:12:25.735 INFO [stderr]   --> src/ds/list.rs:32:2
Dec 19 21:12:25.735 INFO [stderr]    |
Dec 19 21:12:25.735 INFO [stderr] 32 |     pub fn len(&self) -> usize {
Dec 19 21:12:25.735 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:12:25.735 INFO [stderr] 
Dec 19 21:12:25.735 INFO [stderr] warning: method is never used: `front`
Dec 19 21:12:25.735 INFO [stderr]   --> src/ds/list.rs:37:2
Dec 19 21:12:25.735 INFO [stderr]    |
Dec 19 21:12:25.735 INFO [stderr] 37 |     pub fn front(&self) -> Option<&T> {
Dec 19 21:12:25.735 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:12:25.735 INFO [stderr] 
Dec 19 21:12:25.735 INFO [stderr] warning: method is never used: `front_mut`
Dec 19 21:12:25.735 INFO [stderr]   --> src/ds/list.rs:42:2
Dec 19 21:12:25.735 INFO [stderr]    |
Dec 19 21:12:25.735 INFO [stderr] 42 |     pub fn front_mut(&mut self) -> Option<&mut T> {
Dec 19 21:12:25.735 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:12:25.735 INFO [stderr] 
Dec 19 21:12:25.735 INFO [stderr] warning: method is never used: `push_back`
Dec 19 21:12:25.735 INFO [stderr]   --> src/ds/list.rs:47:2
Dec 19 21:12:25.735 INFO [stderr]    |
Dec 19 21:12:25.735 INFO [stderr] 47 |     pub fn push_back(&mut self, elem: T) {
Dec 19 21:12:25.735 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:12:25.735 INFO [stderr] 
Dec 19 21:12:25.735 INFO [stderr] warning: method is never used: `remove`
Dec 19 21:12:25.735 INFO [stderr]   --> src/ds/list.rs:71:2
Dec 19 21:12:25.735 INFO [stderr]    |
Dec 19 21:12:25.735 INFO [stderr] 71 |     pub fn remove(&mut self, id: u64) {
Dec 19 21:12:25.735 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:12:25.735 INFO [stderr] 
Dec 19 21:12:25.735 INFO [stderr] warning: method is never used: `pop_front`
Dec 19 21:12:25.735 INFO [stderr]   --> src/ds/list.rs:99:2
Dec 19 21:12:25.735 INFO [stderr]    |
Dec 19 21:12:25.735 INFO [stderr] 99 |     pub fn pop_front(&mut self) {
Dec 19 21:12:25.735 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:12:25.735 INFO [stderr] 
Dec 19 21:12:25.736 INFO [stderr] warning: struct is never constructed: `Order`
Dec 19 21:12:25.736 INFO [stderr]    --> src/ds/list.rs:106:1
Dec 19 21:12:25.736 INFO [stderr]     |
Dec 19 21:12:25.736 INFO [stderr] 106 | struct Order {
Dec 19 21:12:25.736 INFO [stderr]     | ^^^^^^^^^^^^
Dec 19 21:12:25.736 INFO [stderr] 
Dec 19 21:12:25.837 INFO [stderr] warning: unused import: `std::io::prelude`
Dec 19 21:12:25.837 INFO [stderr]  --> src/main.rs:9:5
Dec 19 21:12:25.837 INFO [stderr]   |
Dec 19 21:12:25.837 INFO [stderr] 9 | use std::io::prelude::*;
Dec 19 21:12:25.837 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 19 21:12:25.837 INFO [stderr] 
Dec 19 21:12:25.867 INFO [stderr] warning: unused variable: `market`
Dec 19 21:12:25.867 INFO [stderr]   --> src/structs/market.rs:48:6
Dec 19 21:12:25.867 INFO [stderr]    |
Dec 19 21:12:25.867 INFO [stderr] 48 |     let market = Market::new(1);
Dec 19 21:12:25.867 INFO [stderr]    |         ^^^^^^ help: consider using `_market` instead
Dec 19 21:12:25.867 INFO [stderr]    |
Dec 19 21:12:25.867 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 21:12:25.867 INFO [stderr] 
Dec 19 21:12:25.867 INFO [stderr] warning: unused variable: `b_fulfilled`
Dec 19 21:12:25.868 INFO [stderr]   --> src/matching/mod.rs:81:20
Dec 19 21:12:25.868 INFO [stderr]    |
Dec 19 21:12:25.868 INFO [stderr] 81 |     let (a_fulfilled, b_fulfilled) = subtract_volume(&mut order_a, &mut order_b);
Dec 19 21:12:25.868 INFO [stderr]    |                       ^^^^^^^^^^^ help: consider using `_b_fulfilled` instead
Dec 19 21:12:25.868 INFO [stderr] 
Dec 19 21:12:25.868 INFO [stderr] warning: unused variable: `start`
Dec 19 21:12:25.868 INFO [stderr]   --> src/ds/heap.rs:37:7
Dec 19 21:12:25.868 INFO [stderr]    |
Dec 19 21:12:25.868 INFO [stderr] 37 |         let start = 0;
Dec 19 21:12:25.868 INFO [stderr]    |             ^^^^^ help: consider using `_start` instead
Dec 19 21:12:25.868 INFO [stderr] 
Dec 19 21:12:26.002 INFO [stderr] warning: method is never used: `left`
Dec 19 21:12:26.002 INFO [stderr]   --> src/ds/heap.rs:26:2
Dec 19 21:12:26.002 INFO [stderr]    |
Dec 19 21:12:26.003 INFO [stderr] 26 |     pub fn left(&self, idx: usize) -> usize {
Dec 19 21:12:26.003 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:12:26.003 INFO [stderr]    |
Dec 19 21:12:26.008 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 21:12:26.008 INFO [stderr] 
Dec 19 21:12:26.008 INFO [stderr] warning: method is never used: `right`
Dec 19 21:12:26.008 INFO [stderr]   --> src/ds/heap.rs:31:2
Dec 19 21:12:26.008 INFO [stderr]    |
Dec 19 21:12:26.008 INFO [stderr] 31 |     pub fn right(&self, idx: usize) -> usize {
Dec 19 21:12:26.008 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:12:26.008 INFO [stderr] 
Dec 19 21:12:26.040 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.20s
Dec 19 21:12:26.422 INFO running `"docker" "inspect" "2c34eaa024907539ccda48fdc7ede34692976a6c077c21aa540b82a6d8aebce2"`
Dec 19 21:12:26.538 INFO running `"docker" "rm" "-f" "2c34eaa024907539ccda48fdc7ede34692976a6c077c21aa540b82a6d8aebce2"`
Dec 19 21:12:26.636 INFO [stdout] 2c34eaa024907539ccda48fdc7ede34692976a6c077c21aa540b82a6d8aebce2