[INFO] cloning repository https://github.com/ffucci/matching_engine_rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ffucci/matching_engine_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fffucci%2Fmatching_engine_rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fffucci%2Fmatching_engine_rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0ebf62c28a8fe846da748adef17be0d4998a533a [INFO] testing ffucci/matching_engine_rs against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_in_2025-retry-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fffucci%2Fmatching_engine_rs" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/ffucci/matching_engine_rs [INFO] finished tweaking git repo https://github.com/ffucci/matching_engine_rs [INFO] tweaked toml for git repo https://github.com/ffucci/matching_engine_rs written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/ffucci/matching_engine_rs on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/ffucci/matching_engine_rs 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded ordered-float v3.1.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 347effe35c0807e1f5e0ab4c9d1c408d70234fc997f3d104018f8cab19f7f156 [INFO] running `Command { std: "docker" "start" "-a" "347effe35c0807e1f5e0ab4c9d1c408d70234fc997f3d104018f8cab19f7f156", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "347effe35c0807e1f5e0ab4c9d1c408d70234fc997f3d104018f8cab19f7f156", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "347effe35c0807e1f5e0ab4c9d1c408d70234fc997f3d104018f8cab19f7f156", kill_on_drop: false }` [INFO] [stdout] 347effe35c0807e1f5e0ab4c9d1c408d70234fc997f3d104018f8cab19f7f156 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 269a11ccb066c8c20e5f581d8aa83b7e96bf6627e64da61d071a4d5afd8c110f [INFO] running `Command { std: "docker" "start" "-a" "269a11ccb066c8c20e5f581d8aa83b7e96bf6627e64da61d071a4d5afd8c110f", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.133 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling proc-macro2 v1.0.43 [INFO] [stderr] Compiling unicode-ident v1.0.4 [INFO] [stderr] Compiling quote v1.0.21 [INFO] [stderr] Compiling libm v0.2.5 [INFO] [stderr] Compiling syn v1.0.100 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling parking_lot_core v0.9.3 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling ppv-lite86 v0.2.16 [INFO] [stderr] Compiling smallvec v1.9.0 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling bytes v1.2.1 [INFO] [stderr] Compiling pin-project-lite v0.2.9 [INFO] [stderr] Compiling once_cell v1.14.0 [INFO] [stderr] Compiling byteorder v1.4.3 [INFO] [stderr] Compiling lock_api v0.4.8 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling tokio v1.21.1 [INFO] [stderr] Compiling getrandom v0.2.7 [INFO] [stderr] Compiling signal-hook-registry v1.4.0 [INFO] [stderr] Compiling mio v0.8.4 [INFO] [stderr] Compiling socket2 v0.4.7 [INFO] [stderr] Compiling num_cpus v1.13.1 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling parking_lot v0.12.1 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling ordered-float v3.1.0 [INFO] [stderr] Compiling rand_distr v0.4.3 [INFO] [stderr] Compiling tokio-macros v1.8.0 [INFO] [stderr] Compiling matching_engine v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: crate-level attribute should be in the root module [INFO] [stdout] --> src/data_types.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![crate_name = "doc"] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_attributes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `k` [INFO] [stdout] --> src/matching.rs:13:27 [INFO] [stdout] | [INFO] [stdout] 13 | curr_side.retain(|k, level| level.qty != 0 && level.num_orders() != 0); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_k` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `removed_order` is never read [INFO] [stdout] --> src/order_book.rs:115:13 [INFO] [stdout] | [INFO] [stdout] 115 | let mut removed_order : Result = Ok(order.clone()); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `cancel_order` is never used [INFO] [stdout] --> src/order_book.rs:112:4 [INFO] [stdout] | [INFO] [stdout] 112 | fn cancel_order<'a, T : Ord + Creator>(curr_side : &'a mut BTreeMap, order : &Order) -> Result [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `cancel_order` is never used [INFO] [stdout] --> src/order_book.rs:202:8 [INFO] [stdout] | [INFO] [stdout] 131 | impl OrderBook { [INFO] [stdout] | -------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 202 | fn cancel_order(&mut self, order : &Order) -> Result [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `AsyncWriteExt` and `self` [INFO] [stdout] --> src/bin/server.rs:4:17 [INFO] [stdout] | [INFO] [stdout] 4 | use tokio::io::{self, AsyncWriteExt}; [INFO] [stdout] | ^^^^ ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Buf` [INFO] [stdout] --> src/bin/server.rs:5:23 [INFO] [stdout] | [INFO] [stdout] 5 | use bytes::{BytesMut, Buf}; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `bytes::BufMut` [INFO] [stdout] --> src/bin/server.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use bytes::BufMut; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::Cursor` [INFO] [stdout] --> src/bin/server.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::io::Cursor; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `NetworkEndian` [INFO] [stdout] --> src/bin/server.rs:8:17 [INFO] [stdout] | [INFO] [stdout] 8 | use byteorder::{NetworkEndian}; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/server.rs:28:9 [INFO] [stdout] | [INFO] [stdout] 28 | let mut pos_id = buf.split_to(4); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/server.rs:59:5 [INFO] [stdout] | [INFO] [stdout] 59 | socket.read_to_end(&mut rx_bytes).await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 59 | let _ = socket.read_to_end(&mut rx_bytes).await; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `tokio::io::util::flush::Flush` that must be used [INFO] [stdout] --> src/bin/test_client.rs:76:5 [INFO] [stdout] | [INFO] [stdout] 76 | stream.flush(); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: futures do nothing unless you `.await` or poll them [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 76 | let _ = stream.flush(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.03s [INFO] running `Command { std: "docker" "inspect" "269a11ccb066c8c20e5f581d8aa83b7e96bf6627e64da61d071a4d5afd8c110f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "269a11ccb066c8c20e5f581d8aa83b7e96bf6627e64da61d071a4d5afd8c110f", kill_on_drop: false }` [INFO] [stdout] 269a11ccb066c8c20e5f581d8aa83b7e96bf6627e64da61d071a4d5afd8c110f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 5887d698eb90c51317d24e814a45ac7f51e2ba766eeef5a7da3073d601f660ef [INFO] running `Command { std: "docker" "start" "-a" "5887d698eb90c51317d24e814a45ac7f51e2ba766eeef5a7da3073d601f660ef", kill_on_drop: false }` [INFO] [stderr] Compiling matching_engine v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: crate-level attribute should be in the root module [INFO] [stdout] --> src/data_types.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![crate_name = "doc"] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_attributes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `k` [INFO] [stdout] --> src/matching.rs:13:27 [INFO] [stdout] | [INFO] [stdout] 13 | curr_side.retain(|k, level| level.qty != 0 && level.num_orders() != 0); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_k` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `removed_order` is never read [INFO] [stdout] --> src/order_book.rs:115:13 [INFO] [stdout] | [INFO] [stdout] 115 | let mut removed_order : Result = Ok(order.clone()); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `cancel_order` is never used [INFO] [stdout] --> src/order_book.rs:112:4 [INFO] [stdout] | [INFO] [stdout] 112 | fn cancel_order<'a, T : Ord + Creator>(curr_side : &'a mut BTreeMap, order : &Order) -> Result [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `cancel_order` is never used [INFO] [stdout] --> src/order_book.rs:202:8 [INFO] [stdout] | [INFO] [stdout] 131 | impl OrderBook { [INFO] [stdout] | -------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 202 | fn cancel_order(&mut self, order : &Order) -> Result [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `tokio::io::util::flush::Flush` that must be used [INFO] [stdout] --> src/bin/test_client.rs:76:5 [INFO] [stdout] | [INFO] [stdout] 76 | stream.flush(); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: futures do nothing unless you `.await` or poll them [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 76 | let _ = stream.flush(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `AsyncWriteExt` and `self` [INFO] [stdout] --> src/bin/server.rs:4:17 [INFO] [stdout] | [INFO] [stdout] 4 | use tokio::io::{self, AsyncWriteExt}; [INFO] [stdout] | ^^^^ ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Buf` [INFO] [stdout] --> src/bin/server.rs:5:23 [INFO] [stdout] | [INFO] [stdout] 5 | use bytes::{BytesMut, Buf}; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `bytes::BufMut` [INFO] [stdout] --> src/bin/server.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use bytes::BufMut; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::Cursor` [INFO] [stdout] --> src/bin/server.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::io::Cursor; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `NetworkEndian` [INFO] [stdout] --> src/bin/server.rs:8:17 [INFO] [stdout] | [INFO] [stdout] 8 | use byteorder::{NetworkEndian}; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: crate-level attribute should be in the root module [INFO] [stdout] --> src/data_types.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![crate_name = "doc"] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_attributes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/server.rs:28:9 [INFO] [stdout] | [INFO] [stdout] 28 | let mut pos_id = buf.split_to(4); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/server.rs:59:5 [INFO] [stdout] | [INFO] [stdout] 59 | socket.read_to_end(&mut rx_bytes).await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 59 | let _ = socket.read_to_end(&mut rx_bytes).await; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `k` [INFO] [stdout] --> src/matching.rs:13:27 [INFO] [stdout] | [INFO] [stdout] 13 | curr_side.retain(|k, level| level.qty != 0 && level.num_orders() != 0); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_k` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `removed_order` is never read [INFO] [stdout] --> src/order_book.rs:115:13 [INFO] [stdout] | [INFO] [stdout] 115 | let mut removed_order : Result = Ok(order.clone()); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/order_book.rs:485:13 [INFO] [stdout] | [INFO] [stdout] 485 | let mut expected_trades = vec![t1]; [INFO] [stdout] | ----^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.18s [INFO] running `Command { std: "docker" "inspect" "5887d698eb90c51317d24e814a45ac7f51e2ba766eeef5a7da3073d601f660ef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5887d698eb90c51317d24e814a45ac7f51e2ba766eeef5a7da3073d601f660ef", kill_on_drop: false }` [INFO] [stdout] 5887d698eb90c51317d24e814a45ac7f51e2ba766eeef5a7da3073d601f660ef [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] b5b66b7857218f7f392dc03a351d21c760c80622510a20a568f70de91b94ceca [INFO] running `Command { std: "docker" "start" "-a" "b5b66b7857218f7f392dc03a351d21c760c80622510a20a568f70de91b94ceca", kill_on_drop: false }` [INFO] [stderr] warning: crate-level attribute should be in the root module [INFO] [stderr] --> src/data_types.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #![crate_name = "doc"] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_attributes)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `k` [INFO] [stderr] --> src/matching.rs:13:27 [INFO] [stderr] | [INFO] [stderr] 13 | curr_side.retain(|k, level| level.qty != 0 && level.num_orders() != 0); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_k` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `removed_order` is never read [INFO] [stderr] --> src/order_book.rs:115:13 [INFO] [stderr] | [INFO] [stderr] 115 | let mut removed_order : Result = Ok(order.clone()); [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function `cancel_order` is never used [INFO] [stderr] --> src/order_book.rs:112:4 [INFO] [stderr] | [INFO] [stderr] 112 | fn cancel_order<'a, T : Ord + Creator>(curr_side : &'a mut BTreeMap, order : &Order) -> Result [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method `cancel_order` is never used [INFO] [stderr] --> src/order_book.rs:202:8 [INFO] [stderr] | [INFO] [stderr] 131 | impl OrderBook { [INFO] [stderr] | -------------- method in this implementation [INFO] [stderr] ... [INFO] [stderr] 202 | fn cancel_order(&mut self, order : &Order) -> Result [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/order_book.rs:485:13 [INFO] [stderr] | [INFO] [stderr] 485 | let mut expected_trades = vec![t1]; [INFO] [stderr] | ----^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `matching_engine` (lib) generated 5 warnings [INFO] [stderr] warning: `matching_engine` (lib test) generated 4 warnings (3 duplicates) (run `cargo fix --lib -p matching_engine --tests` to apply 1 suggestion) [INFO] [stderr] warning: unused imports: `AsyncWriteExt` and `self` [INFO] [stderr] --> src/bin/server.rs:4:17 [INFO] [stderr] | [INFO] [stderr] 4 | use tokio::io::{self, AsyncWriteExt}; [INFO] [stderr] | ^^^^ ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `Buf` [INFO] [stderr] --> src/bin/server.rs:5:23 [INFO] [stderr] | [INFO] [stderr] 5 | use bytes::{BytesMut, Buf}; [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `bytes::BufMut` [INFO] [stderr] --> src/bin/server.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use bytes::BufMut; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::Cursor` [INFO] [stderr] --> src/bin/server.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use std::io::Cursor; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `NetworkEndian` [INFO] [stderr] --> src/bin/server.rs:8:17 [INFO] [stderr] | [INFO] [stderr] 8 | use byteorder::{NetworkEndian}; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/bin/server.rs:28:9 [INFO] [stderr] | [INFO] [stderr] 28 | let mut pos_id = buf.split_to(4); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/bin/server.rs:59:5 [INFO] [stderr] | [INFO] [stderr] 59 | socket.read_to_end(&mut rx_bytes).await; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 59 | let _ = socket.read_to_end(&mut rx_bytes).await; [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `tokio::io::util::flush::Flush` that must be used [INFO] [stderr] --> src/bin/test_client.rs:76:5 [INFO] [stderr] | [INFO] [stderr] 76 | stream.flush(); [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: futures do nothing unless you `.await` or poll them [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 76 | let _ = stream.flush(); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: `matching_engine` (bin "server" test) generated 7 warnings (run `cargo fix --bin "server" --tests` to apply 6 suggestions) [INFO] [stderr] warning: `matching_engine` (bin "test_client" test) generated 1 warning [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stdout] [INFO] [stdout] running 22 tests [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/matching_engine-8bb10dae4c73f3b8) [INFO] [stdout] test data_types::tests::can_add_multiple_order ... ok [INFO] [stdout] test data_types::tests::can_add_order ... ok [INFO] [stdout] test data_types::tests::can_remove_order_at_limit ... ok [INFO] [stdout] test data_types::tests::removing_empty_order_gives_error ... ok [INFO] [stdout] test data_types::tests::try_order ... ok [INFO] [stdout] test data_types::tests::can_make_trade ... ok [INFO] [stdout] test order_book::test::can_cancel_orders ... ok [INFO] [stdout] test order_book::test::can_compute_spread_when_ask_is_none ... ok [INFO] [stdout] test matching::tests::can_match_multiple_times_with_bid ... ok [INFO] [stdout] test order_book::test::can_compute_spread_when_bid_is_none ... ok [INFO] [stdout] test order_book::test::can_compute_spread ... ok [INFO] [stdout] test order_book::test::create_order_book ... ok [INFO] [stdout] test order_book::test::error_when_cancelling_an_order_which_does_not_exist ... ok [INFO] [stdout] test order_book::test::insert_multiple_orders ... ok [INFO] [stdout] test order_book::test::insert_multiple_orders_at_different_level ... ok [INFO] [stdout] test matching::tests::can_match_with_bid ... ok [INFO] [stdout] test order_book::test::insert_order_at_level_is_correct ... ok [INFO] [stdout] test order_book::test::match_orders_multiple_ask ... ok [INFO] [stdout] test order_book::test::test_summary ... ok [INFO] [stdout] test order_book::test::match_orders_multiple_bid ... ok [INFO] [stdout] test order_book::test::cannot_insert_empty_order ... ok [INFO] [stdout] test order_book::test::insert_multiple_orders_at_same_level ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Running unittests src/bin/server.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/server-b35a40a72e5b01b0) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/bin/test_client.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/test_client-9970eec7c0874e25) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "b5b66b7857218f7f392dc03a351d21c760c80622510a20a568f70de91b94ceca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b5b66b7857218f7f392dc03a351d21c760c80622510a20a568f70de91b94ceca", kill_on_drop: false }` [INFO] [stdout] b5b66b7857218f7f392dc03a351d21c760c80622510a20a568f70de91b94ceca