[INFO] cloning repository https://github.com/vhytukas/trading_engine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vhytukas/trading_engine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvhytukas%2Ftrading_engine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvhytukas%2Ftrading_engine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9887c8515ebd72fe30218f7030385a49aab0b908
[INFO] checking vhytukas/trading_engine against try#7b3da9103634dffd4f4365cfd8642427c781d99f+rustflags=-Dinherent-method-on-receiver for 152214-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvhytukas%2Ftrading_engine" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/vhytukas/trading_engine
[INFO] finished tweaking git repo https://github.com/vhytukas/trading_engine
[INFO] tweaked toml for git repo https://github.com/vhytukas/trading_engine written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/vhytukas/trading_engine on toolchain 7b3da9103634dffd4f4365cfd8642427c781d99f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7b3da9103634dffd4f4365cfd8642427c781d99f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/vhytukas/trading_engine 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" "+7b3da9103634dffd4f4365cfd8642427c781d99f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+7b3da9103634dffd4f4365cfd8642427c781d99f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 18c6ed3a46011d5f376b825c0e2bb24cfd6f0d613f0887cd40778a415f472687
[INFO] running `Command { std: "docker" "start" "-a" "18c6ed3a46011d5f376b825c0e2bb24cfd6f0d613f0887cd40778a415f472687", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "18c6ed3a46011d5f376b825c0e2bb24cfd6f0d613f0887cd40778a415f472687", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18c6ed3a46011d5f376b825c0e2bb24cfd6f0d613f0887cd40778a415f472687", kill_on_drop: false }`
[INFO] [stdout] 18c6ed3a46011d5f376b825c0e2bb24cfd6f0d613f0887cd40778a415f472687
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dinherent-method-on-receiver" "-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+7b3da9103634dffd4f4365cfd8642427c781d99f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b5a2f27b522c4706f215b24ac7a46577b70e2cf2466ea0ed7eb8bd685780f9be
[INFO] running `Command { std: "docker" "start" "-a" "b5a2f27b522c4706f215b24ac7a46577b70e2cf2466ea0ed7eb8bd685780f9be", kill_on_drop: false }`
[INFO] [stderr]     Checking trading_engine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let mut orderbook = Orderbook::new();
[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: fields `trades` and `next_id` are never read
[INFO] [stdout]  --> src/matching_engine.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct MatchingEngine {
[INFO] [stdout]   |            -------------- fields in this struct
[INFO] [stdout] 7 |     pub book: Orderbook,
[INFO] [stdout] 8 |     pub trades: Vec<Trade>,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout] 9 |     next_id: u64,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `place_limit_order`, `match_or_insert`, and `match_against_book` are never used
[INFO] [stdout]   --> src/matching_engine.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl MatchingEngine {
[INFO] [stdout]    | ------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub fn place_limit_order(&mut self, price: u64, qty: u64, side: Side) -> u64 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     fn match_or_insert(&mut self, mut order: Order) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |     fn match_against_book(&mut self, order: &mut Order) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_filled` is never used
[INFO] [stdout]   --> src/order.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Order {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub fn is_filled(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `best_bid_level`, `best_ask_level`, and `best_ask_price` are never used
[INFO] [stdout]   --> src/orderbook.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Orderbook {
[INFO] [stdout]    | -------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn best_bid_level(&mut self) -> Option<(u64, &PriceLevel)> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub fn best_ask_level(&mut self) -> Option<(u64, &PriceLevel)> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     pub fn best_ask_price(&self) -> Option<u64> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Sell` is never constructed
[INFO] [stdout]  --> src/side.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum Side {
[INFO] [stdout]   |          ---- variant in this enum
[INFO] [stdout] 3 |     Buy,
[INFO] [stdout] 4 |     Sell,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Side` 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: fields `maker_id`, `taker_id`, `price`, `qty`, and `timestamp` are never read
[INFO] [stdout]  --> src/trade.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Trade {
[INFO] [stdout]   |            ----- fields in this struct
[INFO] [stdout] 2 |     pub maker_id: u64,
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout] 3 |     pub taker_id: u64,
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout] 4 |     pub price: u64,
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout] 5 |     pub qty: u64,
[INFO] [stdout]   |         ^^^
[INFO] [stdout] 6 |     pub timestamp: u128,
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/trade.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl Trade {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] 10 |     pub fn new(maker_id: u64, taker_id: u64, price: u64, qty: u64) -> Trade {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let mut orderbook = Orderbook::new();
[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: fields `trades` and `next_id` are never read
[INFO] [stdout]  --> src/matching_engine.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct MatchingEngine {
[INFO] [stdout]   |            -------------- fields in this struct
[INFO] [stdout] 7 |     pub book: Orderbook,
[INFO] [stdout] 8 |     pub trades: Vec<Trade>,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout] 9 |     next_id: u64,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `place_limit_order`, `match_or_insert`, and `match_against_book` are never used
[INFO] [stdout]   --> src/matching_engine.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl MatchingEngine {
[INFO] [stdout]    | ------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub fn place_limit_order(&mut self, price: u64, qty: u64, side: Side) -> u64 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     fn match_or_insert(&mut self, mut order: Order) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |     fn match_against_book(&mut self, order: &mut Order) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id`, `qty`, and `timestamp` are never read
[INFO] [stdout]  --> src/order.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Order {
[INFO] [stdout]   |            ----- fields in this struct
[INFO] [stdout] 5 |     pub id: u64,
[INFO] [stdout]   |         ^^
[INFO] [stdout] 6 |     pub price: u64,
[INFO] [stdout] 7 |     pub qty: u64,
[INFO] [stdout]   |         ^^^
[INFO] [stdout] 8 |     pub side: Side,
[INFO] [stdout] 9 |     pub timestamp: u128,
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Order` 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: method `is_filled` is never used
[INFO] [stdout]   --> src/order.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Order {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub fn is_filled(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `best_bid_level`, `best_ask_level`, `best_bid_price`, and `best_ask_price` are never used
[INFO] [stdout]   --> src/orderbook.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Orderbook {
[INFO] [stdout]    | -------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn best_bid_level(&mut self) -> Option<(u64, &PriceLevel)> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub fn best_ask_level(&mut self) -> Option<(u64, &PriceLevel)> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |     pub fn best_bid_price(&self) -> Option<u64> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     pub fn best_ask_price(&self) -> Option<u64> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Sell` is never constructed
[INFO] [stdout]  --> src/side.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum Side {
[INFO] [stdout]   |          ---- variant in this enum
[INFO] [stdout] 3 |     Buy,
[INFO] [stdout] 4 |     Sell,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Side` 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: fields `maker_id`, `taker_id`, `price`, `qty`, and `timestamp` are never read
[INFO] [stdout]  --> src/trade.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Trade {
[INFO] [stdout]   |            ----- fields in this struct
[INFO] [stdout] 2 |     pub maker_id: u64,
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout] 3 |     pub taker_id: u64,
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout] 4 |     pub price: u64,
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout] 5 |     pub qty: u64,
[INFO] [stdout]   |         ^^^
[INFO] [stdout] 6 |     pub timestamp: u128,
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/trade.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl Trade {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] 10 |     pub fn new(maker_id: u64, taker_id: u64, price: u64, qty: u64) -> Trade {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "b5a2f27b522c4706f215b24ac7a46577b70e2cf2466ea0ed7eb8bd685780f9be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5a2f27b522c4706f215b24ac7a46577b70e2cf2466ea0ed7eb8bd685780f9be", kill_on_drop: false }`
[INFO] [stdout] b5a2f27b522c4706f215b24ac7a46577b70e2cf2466ea0ed7eb8bd685780f9be
