[INFO] updating cached repository https://github.com/connorwstein/exchange [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 680e880e82c8faa753b2b359fcf89eb50348115c [INFO] checking connorwstein/exchange against try#13f916f63bc6575d5ff1f989237dfabe88981368 for pr-69880 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fconnorwstein%2Fexchange" "/workspace/builds/worker-2/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/connorwstein/exchange on toolchain 13f916f63bc6575d5ff1f989237dfabe88981368 [INFO] running `"/workspace/cargo-home/bin/cargo" "+13f916f63bc6575d5ff1f989237dfabe88981368" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/connorwstein/exchange [INFO] finished tweaking git repo https://github.com/connorwstein/exchange [INFO] tweaked toml for git repo https://github.com/connorwstein/exchange written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/connorwstein/exchange already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+13f916f63bc6575d5ff1f989237dfabe88981368" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+13f916f63bc6575d5ff1f989237dfabe88981368" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 8a5703acca1b5a971ff6746d926c211e9d4d8b75a3b5fb0412fccfe721ff9b2e [INFO] running `"docker" "start" "-a" "8a5703acca1b5a971ff6746d926c211e9d4d8b75a3b5fb0412fccfe721ff9b2e"` [INFO] [stderr] Compiling syn v1.0.5 [INFO] [stderr] Compiling indexmap v1.3.0 [INFO] [stderr] Checking getrandom v0.1.13 [INFO] [stderr] Checking mio v0.6.19 [INFO] [stderr] Checking tokio-io v0.1.12 [INFO] [stderr] Checking env_logger v0.5.13 [INFO] [stderr] Checking tokio-threadpool v0.1.16 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking tokio-reactor v0.1.10 [INFO] [stderr] Checking rand v0.7.2 [INFO] [stderr] Checking h2 v0.1.26 [INFO] [stderr] Checking tokio-tcp v0.1.3 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Checking hyper v0.12.35 [INFO] [stderr] Compiling serde_derive v1.0.102 [INFO] [stderr] Compiling diesel_derives v1.4.1 [INFO] [stderr] Checking diesel v1.4.3 [INFO] [stderr] Checking serde v1.0.102 [INFO] [stderr] Checking serde_json v1.0.41 [INFO] [stderr] Checking uuid v0.8.1 [INFO] [stderr] Checking exchange v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused variable: `order_request` [INFO] [stderr] --> src/main.rs:146:25 [INFO] [stderr] | [INFO] [stderr] 146 | Err(order_request) => Box::new(future::ok( [INFO] [stderr] | ^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_order_request` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `payload` [INFO] [stderr] --> src/main.rs:156:17 [INFO] [stderr] | [INFO] [stderr] 156 | let payload = String::new(); [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_payload` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `payload` [INFO] [stderr] --> src/main.rs:172:17 [INFO] [stderr] | [INFO] [stderr] 172 | let payload = String::new(); [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_payload` [INFO] [stderr] [INFO] [stderr] warning: method is never used: `find_order` [INFO] [stderr] --> src/order_book.rs:55:5 [INFO] [stderr] | [INFO] [stderr] 55 | pub fn find_order(&self, t: OpenLimitOrder) -> (Option, Option) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `FillResult` [INFO] [stderr] --> src/order_book.rs:258:29 [INFO] [stderr] | [INFO] [stderr] 258 | use crate::order_book::{FillResult, OpenLimitOrder, OrderBook, Side, Symbol}; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `remove_order` [INFO] [stderr] --> src/order_book.rs:68:5 [INFO] [stderr] | [INFO] [stderr] 68 | pub fn remove_order(&mut self, t: OpenLimitOrder) -> Result<&'static str, &'static str> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/order_book.rs:217:9 [INFO] [stderr] | [INFO] [stderr] 217 | / self.add_order(OpenLimitOrder { [INFO] [stderr] 218 | | id: last_order.id, [INFO] [stderr] 219 | | price: last_order.price, [INFO] [stderr] 220 | | side: last_order.side, [INFO] [stderr] 221 | | amount: remaining.abs() as u32, [INFO] [stderr] 222 | | symbol: last_order.symbol, [INFO] [stderr] 223 | | }); [INFO] [stderr] | |___________^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused variable: `order_request` [INFO] [stderr] --> src/main.rs:146:25 [INFO] [stderr] | [INFO] [stderr] 146 | Err(order_request) => Box::new(future::ok( [INFO] [stderr] | ^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_order_request` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `payload` [INFO] [stderr] --> src/main.rs:156:17 [INFO] [stderr] | [INFO] [stderr] 156 | let payload = String::new(); [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_payload` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `payload` [INFO] [stderr] --> src/main.rs:172:17 [INFO] [stderr] | [INFO] [stderr] 172 | let payload = String::new(); [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_payload` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `side` [INFO] [stderr] --> src/order_book.rs:450:26 [INFO] [stderr] | [INFO] [stderr] 450 | fn create_order_book(side: Side, orders: Vec) -> OrderBook { [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_side` [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/order_book.rs:217:9 [INFO] [stderr] | [INFO] [stderr] 217 | / self.add_order(OpenLimitOrder { [INFO] [stderr] 218 | | id: last_order.id, [INFO] [stderr] 219 | | price: last_order.price, [INFO] [stderr] 220 | | side: last_order.side, [INFO] [stderr] 221 | | amount: remaining.abs() as u32, [INFO] [stderr] 222 | | symbol: last_order.symbol, [INFO] [stderr] 223 | | }); [INFO] [stderr] | |___________^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2m 03s [INFO] running `"docker" "inspect" "8a5703acca1b5a971ff6746d926c211e9d4d8b75a3b5fb0412fccfe721ff9b2e"` [INFO] running `"docker" "rm" "-f" "8a5703acca1b5a971ff6746d926c211e9d4d8b75a3b5fb0412fccfe721ff9b2e"` [INFO] [stdout] 8a5703acca1b5a971ff6746d926c211e9d4d8b75a3b5fb0412fccfe721ff9b2e