[INFO] cloning repository ZangaiFamily/matching [INFO] running `"git" "clone" "--bare" "git://github.com/ZangaiFamily/matching.git" "work/cache/sources/gh/ZangaiFamily/matching"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/ZangaiFamily/matching'... [INFO] running `"git" "clone" "work/cache/sources/gh/ZangaiFamily/matching" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/ZangaiFamily/matching"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/ZangaiFamily/matching'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/ZangaiFamily/matching" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/ZangaiFamily/matching"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/ZangaiFamily/matching'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 3a29e668dd3a058a482cf0193b1156ea6f6c2787 [INFO] sha for GitHub repo ZangaiFamily/matching: 3a29e668dd3a058a482cf0193b1156ea6f6c2787 [INFO] validating manifest of ZangaiFamily/matching on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of ZangaiFamily/matching on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing ZangaiFamily/matching [INFO] finished frobbing ZangaiFamily/matching [INFO] frobbed toml for ZangaiFamily/matching written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/ZangaiFamily/matching/Cargo.toml [INFO] started frobbing ZangaiFamily/matching [INFO] finished frobbing ZangaiFamily/matching [INFO] frobbed toml for ZangaiFamily/matching written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/ZangaiFamily/matching/Cargo.toml [INFO] crate ZangaiFamily/matching already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing ZangaiFamily/matching against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"` [INFO] [stdout] 1b02606e88fe3f19c945a1a88c163d195c0d10eeb51ebde500817a550a94b5e3 [INFO] running `"docker" "start" "-a" "1b02606e88fe3f19c945a1a88c163d195c0d10eeb51ebde500817a550a94b5e3"` [INFO] [stderr] Compiling num-traits v0.2.5 [INFO] [stderr] Compiling serde_json v1.0.26 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Compiling num-complex v0.2.0 [INFO] [stderr] Compiling num-bigint v0.2.0 [INFO] [stderr] Compiling num-iter v0.1.37 [INFO] [stderr] Compiling num-rational v0.2.1 [INFO] [stderr] Compiling num v0.2.0 [INFO] [stderr] Compiling rust_decimal v0.10.1 [INFO] [stderr] Compiling matching v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `rust_decimal::Decimal` [INFO] [stderr] --> src/main.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use rust_decimal::Decimal; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Error`, `Value` [INFO] [stderr] --> src/main.rs:5:18 [INFO] [stderr] | [INFO] [stderr] 5 | use serde_json::{Value, Error}; [INFO] [stderr] | ^^^^^ ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fs::read_to_string` [INFO] [stderr] --> src/main.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use std::fs::read_to_string; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::prelude::*` [INFO] [stderr] --> src/main.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use std::io::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::BufReader` [INFO] [stderr] --> src/main.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use std::io::BufReader; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::collections::LinkedList` [INFO] [stderr] --> src/structs/order_book.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::collections::LinkedList; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::cmp::Ord` [INFO] [stderr] --> src/structs/order_book.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::cmp::Ord; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::cmp` [INFO] [stderr] --> src/structs/order_book.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::cmp; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `rust_decimal::Decimal` [INFO] [stderr] --> src/structs/order_book.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use rust_decimal::Decimal; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::cmp::Ord` [INFO] [stderr] --> src/ds/list.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::cmp::Ord; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::cmp::Ordering` [INFO] [stderr] --> src/ds/list.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::cmp::Ordering; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `test::Bencher` [INFO] [stderr] --> src/main.rs:24:5 [INFO] [stderr] | [INFO] [stderr] 24 | use test::Bencher; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `start` [INFO] [stderr] --> src/ds/heap.rs:37:7 [INFO] [stderr] | [INFO] [stderr] 37 | let start = 0; [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_start` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Limit` [INFO] [stderr] --> src/structs/order.rs:8:2 [INFO] [stderr] | [INFO] [stderr] 8 | Limit, [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Market` [INFO] [stderr] --> src/structs/order.rs:9:2 [INFO] [stderr] | [INFO] [stderr] 9 | Market [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Ask` [INFO] [stderr] --> src/structs/order.rs:14:2 [INFO] [stderr] | [INFO] [stderr] 14 | Ask, [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Bid` [INFO] [stderr] --> src/structs/order.rs:15:2 [INFO] [stderr] | [INFO] [stderr] 15 | Bid [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/structs/order.rs:29:2 [INFO] [stderr] | [INFO] [stderr] 29 | pub fn new(id: u64, price: &str, volume: &str, kind: OrderKind, side: OrderSide) -> Order { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `is_fulfilled` [INFO] [stderr] --> src/structs/order.rs:40:2 [INFO] [stderr] | [INFO] [stderr] 40 | pub fn is_fulfilled(&self) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `volume_remained` [INFO] [stderr] --> src/structs/order.rs:44:2 [INFO] [stderr] | [INFO] [stderr] 44 | pub fn volume_remained(&self) -> Decimal { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `OrderBook` [INFO] [stderr] --> src/structs/order_book.rs:10:1 [INFO] [stderr] | [INFO] [stderr] 10 | pub struct OrderBook { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/structs/order_book.rs:18:2 [INFO] [stderr] | [INFO] [stderr] 18 | pub fn new(side: OrderSide) -> OrderBook { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `add_order` [INFO] [stderr] --> src/structs/order_book.rs:31:2 [INFO] [stderr] | [INFO] [stderr] 31 | pub fn add_order(&mut self, order: Order) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `cancel_order` [INFO] [stderr] --> src/structs/order_book.rs:39:2 [INFO] [stderr] | [INFO] [stderr] 39 | pub fn cancel_order(&mut self, order: Order) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Market` [INFO] [stderr] --> src/structs/market.rs:4:1 [INFO] [stderr] | [INFO] [stderr] 4 | pub struct Market { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/structs/market.rs:11:2 [INFO] [stderr] | [INFO] [stderr] 11 | pub fn new(id: u64) -> Market { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `add_order` [INFO] [stderr] --> src/structs/market.rs:19:2 [INFO] [stderr] | [INFO] [stderr] 19 | pub fn add_order(&mut self, order: Order) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `cancel_order` [INFO] [stderr] --> src/structs/market.rs:26:2 [INFO] [stderr] | [INFO] [stderr] 26 | pub fn cancel_order(&mut self, order: Order) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `consume_limit_orders` [INFO] [stderr] --> src/matching/mod.rs:5:1 [INFO] [stderr] | [INFO] [stderr] 5 | pub fn consume_limit_orders (order: &mut Order, order_book: &mut OrderBook) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `consume_market_orders` [INFO] [stderr] --> src/matching/mod.rs:32:1 [INFO] [stderr] | [INFO] [stderr] 32 | pub fn consume_market_orders (order: &mut Order, order_book: &mut OrderBook) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `start_match` [INFO] [stderr] --> src/matching/mod.rs:46:1 [INFO] [stderr] | [INFO] [stderr] 46 | pub fn start_match (mut order: Order, market: &mut Market) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `subtract_volume` [INFO] [stderr] --> src/matching/mod.rs:67:1 [INFO] [stderr] | [INFO] [stderr] 67 | pub fn subtract_volume(order_a: &mut Order, order_b: &mut Order) -> (bool, bool) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Heap` [INFO] [stderr] --> src/ds/heap.rs:7:1 [INFO] [stderr] | [INFO] [stderr] 7 | pub struct Heap { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/ds/heap.rs:13:2 [INFO] [stderr] | [INFO] [stderr] 13 | pub fn new() -> Heap { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `parent` [INFO] [stderr] --> src/ds/heap.rs:21:2 [INFO] [stderr] | [INFO] [stderr] 21 | pub fn parent(&self, idx: usize) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `left` [INFO] [stderr] --> src/ds/heap.rs:26:2 [INFO] [stderr] | [INFO] [stderr] 26 | pub fn left(&self, idx: usize) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `right` [INFO] [stderr] --> src/ds/heap.rs:31:2 [INFO] [stderr] | [INFO] [stderr] 31 | pub fn right(&self, idx: usize) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `sift_up` [INFO] [stderr] --> src/ds/heap.rs:36:2 [INFO] [stderr] | [INFO] [stderr] 36 | pub fn sift_up(&mut self, from: usize) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `sift_down` [INFO] [stderr] --> src/ds/heap.rs:52:2 [INFO] [stderr] | [INFO] [stderr] 52 | pub fn sift_down(&mut self, from: usize) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `push` [INFO] [stderr] --> src/ds/heap.rs:73:2 [INFO] [stderr] | [INFO] [stderr] 73 | pub fn push(&mut self, elem: T) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `swap` [INFO] [stderr] --> src/ds/heap.rs:81:2 [INFO] [stderr] | [INFO] [stderr] 81 | pub fn swap(&mut self, idx_a: usize, idx_b: usize) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `remove` [INFO] [stderr] --> src/ds/heap.rs:88:2 [INFO] [stderr] | [INFO] [stderr] 88 | pub fn remove(&mut self, id: u64) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `peek` [INFO] [stderr] --> src/ds/heap.rs:114:2 [INFO] [stderr] | [INFO] [stderr] 114 | pub fn peek(&self) -> Option<&T> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `peek_mut` [INFO] [stderr] --> src/ds/heap.rs:119:2 [INFO] [stderr] | [INFO] [stderr] 119 | pub fn peek_mut(&mut self) -> Option<&mut T> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `pop` [INFO] [stderr] --> src/ds/heap.rs:124:2 [INFO] [stderr] | [INFO] [stderr] 124 | pub fn pop(&mut self) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `len` [INFO] [stderr] --> src/ds/heap.rs:130:2 [INFO] [stderr] | [INFO] [stderr] 130 | pub fn len(&self) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `List` [INFO] [stderr] --> src/ds/list.rs:7:1 [INFO] [stderr] | [INFO] [stderr] 7 | pub struct List { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Node` [INFO] [stderr] --> src/ds/list.rs:15:1 [INFO] [stderr] | [INFO] [stderr] 15 | pub struct Node { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/ds/list.rs:22:2 [INFO] [stderr] | [INFO] [stderr] 22 | pub fn new() -> List { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `len` [INFO] [stderr] --> src/ds/list.rs:32:2 [INFO] [stderr] | [INFO] [stderr] 32 | pub fn len(&self) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `front` [INFO] [stderr] --> src/ds/list.rs:37:2 [INFO] [stderr] | [INFO] [stderr] 37 | pub fn front(&self) -> Option<&T> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `front_mut` [INFO] [stderr] --> src/ds/list.rs:42:2 [INFO] [stderr] | [INFO] [stderr] 42 | pub fn front_mut(&mut self) -> Option<&mut T> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `push_back` [INFO] [stderr] --> src/ds/list.rs:47:2 [INFO] [stderr] | [INFO] [stderr] 47 | pub fn push_back(&mut self, elem: T) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `remove` [INFO] [stderr] --> src/ds/list.rs:71:2 [INFO] [stderr] | [INFO] [stderr] 71 | pub fn remove(&mut self, id: u64) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `pop_front` [INFO] [stderr] --> src/ds/list.rs:99:2 [INFO] [stderr] | [INFO] [stderr] 99 | pub fn pop_front(&mut self) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Order` [INFO] [stderr] --> src/ds/list.rs:106:1 [INFO] [stderr] | [INFO] [stderr] 106 | struct Order { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 17.29s [INFO] running `"docker" "inspect" "1b02606e88fe3f19c945a1a88c163d195c0d10eeb51ebde500817a550a94b5e3"` [INFO] running `"docker" "rm" "-f" "1b02606e88fe3f19c945a1a88c163d195c0d10eeb51ebde500817a550a94b5e3"` [INFO] [stdout] 1b02606e88fe3f19c945a1a88c163d195c0d10eeb51ebde500817a550a94b5e3 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen" "--no-run"` [INFO] [stdout] 49359022c05d79fb64dc051cc5349aaeaed2fbc7457f046166d6933f40520290 [INFO] running `"docker" "start" "-a" "49359022c05d79fb64dc051cc5349aaeaed2fbc7457f046166d6933f40520290"` [INFO] [stderr] Compiling matching v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `Error` [INFO] [stderr] --> src/main.rs:5:25 [INFO] [stderr] | [INFO] [stderr] 5 | use serde_json::{Value, Error}; [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fs::read_to_string` [INFO] [stderr] --> src/main.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use std::fs::read_to_string; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::BufReader` [INFO] [stderr] --> src/main.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use std::io::BufReader; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::collections::LinkedList` [INFO] [stderr] --> src/structs/order_book.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::collections::LinkedList; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::cmp::Ord` [INFO] [stderr] --> src/structs/order_book.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::cmp::Ord; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::cmp` [INFO] [stderr] --> src/structs/order_book.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::cmp; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::cmp::Ord` [INFO] [stderr] --> src/ds/list.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::cmp::Ord; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::cmp::Ordering` [INFO] [stderr] --> src/ds/list.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::cmp::Ordering; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::prelude` [INFO] [stderr] --> src/main.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use std::io::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `market` [INFO] [stderr] --> src/structs/market.rs:48:6 [INFO] [stderr] | [INFO] [stderr] 48 | let market = Market::new(1); [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_market` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `b_fulfilled` [INFO] [stderr] --> src/matching/mod.rs:81:20 [INFO] [stderr] | [INFO] [stderr] 81 | let (a_fulfilled, b_fulfilled) = subtract_volume(&mut order_a, &mut order_b); [INFO] [stderr] | ^^^^^^^^^^^ help: consider prefixing with an underscore: `_b_fulfilled` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `start` [INFO] [stderr] --> src/ds/heap.rs:37:7 [INFO] [stderr] | [INFO] [stderr] 37 | let start = 0; [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_start` [INFO] [stderr] [INFO] [stderr] warning: method is never used: `left` [INFO] [stderr] --> src/ds/heap.rs:26:2 [INFO] [stderr] | [INFO] [stderr] 26 | pub fn left(&self, idx: usize) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `right` [INFO] [stderr] --> src/ds/heap.rs:31:2 [INFO] [stderr] | [INFO] [stderr] 31 | pub fn right(&self, idx: usize) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.54s [INFO] running `"docker" "inspect" "49359022c05d79fb64dc051cc5349aaeaed2fbc7457f046166d6933f40520290"` [INFO] running `"docker" "rm" "-f" "49359022c05d79fb64dc051cc5349aaeaed2fbc7457f046166d6933f40520290"` [INFO] [stdout] 49359022c05d79fb64dc051cc5349aaeaed2fbc7457f046166d6933f40520290 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen"` [INFO] [stdout] 84076339bdfb81c4f67fabdd302fb5001de468755070dcd53dfda612a2832a37 [INFO] running `"docker" "start" "-a" "84076339bdfb81c4f67fabdd302fb5001de468755070dcd53dfda612a2832a37"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running /opt/crater/target/debug/deps/matching-94a2521b5dbf58c2 [INFO] [stdout] [INFO] [stdout] running 21 tests [INFO] [stdout] test ds::heap::test_pop ... ok [INFO] [stdout] test ds::list::test_pop_front ... ok [INFO] [stdout] test ds::list::test_push_back ... ok [INFO] [stdout] test ds::heap::test_ord ... ok [INFO] [stdout] test ds::heap::test_remove ... ok [INFO] [stdout] test matching::test_add_orders ... ok [INFO] [stdout] test ds::list::test_remove ... ok [INFO] [stdout] test matching::test_matching_limit_order_then_market_other ... ok [INFO] [stdout] test matching::test_matching_market_order ... ok [INFO] [stdout] test ds::heap::test_swap ... ok [INFO] [stdout] test ds::heap::test_remove_last_one ... ok [INFO] [stdout] test structs::market::test_ok ... ok [INFO] [stdout] test ds::heap::test_remove_not_existed ... ok [INFO] [stdout] test ds::heap::test_push ... ok [INFO] [stdout] test matching::test_subtract_volume ... ok [INFO] [stdout] test matching::test_matching_limit_order ... ok [INFO] [stdout] test structs::order::lower_price_should_be_greater_for_ask_order ... ok [INFO] [stdout] test structs::order_book::test_place_market_order ... ok [INFO] [stdout] test structs::order::higher_price_should_be_greater_for_bid_order ... ok [INFO] [stdout] test structs::order_book::test_best_limit_order ... ok [INFO] [stdout] test bench_matching ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- bench_matching stdout ---- [INFO] [stdout] thread 'bench_matching' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 2, kind: NotFound, message: "No such file or directory" }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5588f0a2d0cb - backtrace::backtrace::libunwind::trace::h98ebe34dc63b52e3 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x5588f0a2d0cb - backtrace::backtrace::trace_unsynchronized::hd041341a38fdc1ca [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x5588f0a2d0cb - std::sys_common::backtrace::_print::hc8c584aa09df5c15 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5588f0a2d0cb - std::sys_common::backtrace::print::h4828f56ae571c1ad [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5588f0a2d0cb - std::panicking::default_hook::{{closure}}::h69fce690c9f4b3d3 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 5: 0x5588f0a2cd5f - std::panicking::default_hook::h231e0e11400caad4 [INFO] [stdout] at src/libstd/panicking.rs:209 [INFO] [stdout] 6: 0x5588f0a2d840 - std::panicking::rust_panic_with_hook::h8c0d039880f491f2 [INFO] [stdout] at src/libstd/panicking.rs:475 [INFO] [stdout] 7: 0x5588f0a2d3c2 - std::panicking::continue_panic_fmt::hd71af4da4e8103ab [INFO] [stdout] at src/libstd/panicking.rs:382 [INFO] [stdout] 8: 0x5588f0a2d2a6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:309 [INFO] [stdout] 9: 0x5588f0a4392d - core::panicking::panic_fmt::h5b6e1f42b8cc12be [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x5588f099c3e3 - core::result::unwrap_failed::h6f95f852ac607d0a [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libcore/macros.rs:18 [INFO] [stdout] 11: 0x5588f099d6c6 - core::result::Result::unwrap::h17ffb7337c72c320 [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libcore/result.rs:800 [INFO] [stdout] 12: 0x5588f09a0642 - matching::bench_matching::{{closure}}::h2ebcb0b5faa71d7f [INFO] [stdout] at src/main.rs:30 [INFO] [stdout] 13: 0x5588f09a3dd0 - test::ns_iter_inner::h723595c7e5bba2ee [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libtest/lib.rs:1621 [INFO] [stdout] 14: 0x5588f09a4751 - test::Bencher::iter::hb13fdfae860a6b50 [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libtest/lib.rs:1595 [INFO] [stdout] 15: 0x5588f09a05d3 - matching::bench_matching::h5e5d0404f55e83ab [INFO] [stdout] at src/main.rs:27 [INFO] [stdout] 16: 0x5588f09a05a8 - matching::bench_matching::{{closure}}::h5fb5056b6aab729a [INFO] [stdout] at src/main.rs:26 [INFO] [stdout] 17: 0x5588f098a488 - core::ops::function::FnOnce::call_once::h3aa48ac07b72872f [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libcore/ops/function.rs:231 [INFO] [stdout] 18: 0x5588f09aa9a2 - test::convert_benchmarks_to_tests::{{closure}}::{{closure}}::{{closure}}::hb1f3733667fe1b3e [INFO] [stdout] at src/libtest/lib.rs:1414 [INFO] [stdout] 19: 0x5588f09aa9a2 - test::Bencher::bench::h6c9b872607847b24 [INFO] [stdout] at src/libtest/lib.rs:1606 [INFO] [stdout] 20: 0x5588f09aa9a2 - test::bench::run_once::hc5f63f3520326b33 [INFO] [stdout] at src/libtest/lib.rs:1770 [INFO] [stdout] 21: 0x5588f09aa9a2 - test::convert_benchmarks_to_tests::{{closure}}::{{closure}}::he91ee0a64e1b7c57 [INFO] [stdout] at src/libtest/lib.rs:1414 [INFO] [stdout] 22: 0x5588f09aa9a2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h1e6e418401af8f43 [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libcore/ops/function.rs:231 [INFO] [stdout] 23: 0x5588f09b0f1f - as core::ops::function::FnOnce>::call_once::h7d12c58d88f85f52 [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/liballoc/boxed.rs:746 [INFO] [stdout] 24: 0x5588f09b0f1f - as core::ops::function::FnOnce>::call_once::h7d12c58d88f85f52 [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/liballoc/boxed.rs:746 [INFO] [stdout] 25: 0x5588f0a303ca - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 26: 0x5588f09cba98 - std::panicking::try::h5ed77697f4b9cf5a [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libstd/panicking.rs:273 [INFO] [stdout] 27: 0x5588f09cba98 - std::panic::catch_unwind::hc3df70fd601bf96f [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libstd/panic.rs:388 [INFO] [stdout] 28: 0x5588f09cba98 - test::run_test::run_test_inner::{{closure}}::haf52e514bd7b7a7a [INFO] [stdout] at src/libtest/lib.rs:1466 [INFO] [stdout] 29: 0x5588f09a6495 - std::sys_common::backtrace::__rust_begin_short_backtrace::he61de6f42984ba1b [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 30: 0x5588f09aa495 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h583331a58084cfa6 [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libstd/thread/mod.rs:470 [INFO] [stdout] 31: 0x5588f09aa495 - as core::ops::function::FnOnce<()>>::call_once::h730d3f044d244375 [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libstd/panic.rs:309 [INFO] [stdout] 32: 0x5588f09aa495 - std::panicking::try::do_call::h11328ad090f12422 [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libstd/panicking.rs:294 [INFO] [stdout] 33: 0x5588f0a303ca - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 34: 0x5588f09aab22 - std::panicking::try::hd00f486f5358e439 [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libstd/panicking.rs:273 [INFO] [stdout] 35: 0x5588f09aab22 - std::panic::catch_unwind::h78adeaedb9e59cb0 [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libstd/panic.rs:388 [INFO] [stdout] 36: 0x5588f09aab22 - std::thread::Builder::spawn_unchecked::{{closure}}::ha2637f22a0fb0434 [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libstd/thread/mod.rs:469 [INFO] [stdout] 37: 0x5588f09aab22 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h86e6656f4f46649d [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libcore/ops/function.rs:231 [INFO] [stdout] 38: 0x5588f0a22a7f - as core::ops::function::FnOnce>::call_once::h146d737fe1c8556c [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/liballoc/boxed.rs:746 [INFO] [stdout] 39: 0x5588f0a2fb10 - as core::ops::function::FnOnce>::call_once::h44ec2de830c4be09 [INFO] [stdout] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/liballoc/boxed.rs:746 [INFO] [stdout] 40: 0x5588f0a2fb10 - std::sys_common::thread::start_thread::hed7ed434f3e17f57 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 41: 0x5588f0a2fb10 - std::sys::unix::thread::Thread::new::thread_start::h62b89907378dc35b [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 42: 0x7fdc5464e4a4 - start_thread [INFO] [stdout] 43: 0x7fdc54179d0f - __clone [INFO] [stdout] 44: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] bench_matching [INFO] [stdout] [INFO] [stdout] test result: FAILED. 20 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--bin matching' [INFO] running `"docker" "inspect" "84076339bdfb81c4f67fabdd302fb5001de468755070dcd53dfda612a2832a37"` [INFO] running `"docker" "rm" "-f" "84076339bdfb81c4f67fabdd302fb5001de468755070dcd53dfda612a2832a37"` [INFO] [stdout] 84076339bdfb81c4f67fabdd302fb5001de468755070dcd53dfda612a2832a37