[INFO] cloning repository https://github.com/celaus/matcha
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/celaus/matcha" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcelaus%2Fmatcha", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcelaus%2Fmatcha'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fc743258b44e16b246cba440d969190f1155ed07
[INFO] checking celaus/matcha against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcelaus%2Fmatcha" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/celaus/matcha
[INFO] finished tweaking git repo https://github.com/celaus/matcha
[INFO] tweaked toml for git repo https://github.com/celaus/matcha written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/celaus/matcha on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/celaus/matcha 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.26
[INFO] [stderr]   Downloaded value-bag v1.0.0-alpha.6
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.4
[INFO] [stderr]   Downloaded xactor-derive v0.7.1
[INFO] [stderr]   Downloaded once_cell v1.7.2
[INFO] [stderr]   Downloaded thiserror-impl v1.0.24
[INFO] [stderr]   Downloaded xactor v0.7.11
[INFO] [stderr]   Downloaded const_fn v0.4.7
[INFO] [stderr]   Downloaded thiserror v1.0.24
[INFO] [stderr]   Downloaded env_logger v0.8.3
[INFO] [stderr]   Downloaded http-client v6.3.5
[INFO] [stderr]   Downloaded cc v1.0.67
[INFO] [stderr]   Downloaded time v0.2.26
[INFO] [stderr]   Downloaded bumpalo v3.6.1
[INFO] [stderr]   Downloaded async-io v1.4.1
[INFO] [stderr]   Downloaded wepoll-sys v3.0.1
[INFO] [stderr]   Downloaded polling v2.0.3
[INFO] [stderr]   Downloaded signal-hook v0.3.8
[INFO] [stderr]   Downloaded libc v0.2.94
[INFO] [stderr]   Downloaded cpufeatures v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 09b3c9b5cd8be447ec79bfc3884d563df61199250e90d13749f415540548902d
[INFO] running `Command { std: "docker" "start" "-a" "09b3c9b5cd8be447ec79bfc3884d563df61199250e90d13749f415540548902d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09b3c9b5cd8be447ec79bfc3884d563df61199250e90d13749f415540548902d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09b3c9b5cd8be447ec79bfc3884d563df61199250e90d13749f415540548902d", kill_on_drop: false }`
[INFO] [stdout] 09b3c9b5cd8be447ec79bfc3884d563df61199250e90d13749f415540548902d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c210267b400115a6aa2b9f7a3479e51896fe3fc3ca5c83eab16a75726850011e
[INFO] running `Command { std: "docker" "start" "-a" "c210267b400115a6aa2b9f7a3479e51896fe3fc3ca5c83eab16a75726850011e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.6
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.4
[INFO] [stderr]    Compiling signal-hook v0.3.8
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling const_fn v0.4.7
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]    Compiling time v0.2.26
[INFO] [stderr]     Checking cpufeatures v0.1.3
[INFO] [stderr]     Checking unicode-normalization v0.1.17
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]     Checking sha2 v0.9.5
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking futures-sink v0.3.15
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking textwrap v0.12.1
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking os_str_bytes v2.4.0
[INFO] [stderr]     Checking crossbeam-queue v0.3.1
[INFO] [stderr]     Checking futures-lite v1.11.3
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking byte-pool v0.2.3
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking dashmap v4.0.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking async-executor v1.4.1
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]    Compiling blake3 v0.3.7
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]    Compiling ctor v0.1.20
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]    Compiling xactor-derive v0.7.1
[INFO] [stderr]     Checking time-macros v0.1.1
[INFO] [stderr]     Checking clap v3.0.0-beta.2
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking polling v2.0.3
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking env_logger v0.8.3
[INFO] [stderr]     Checking async-io v1.4.1
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking cookie v0.14.4
[INFO] [stderr]     Checking pin-project v1.0.7
[INFO] [stderr]     Checking async-process v1.1.0
[INFO] [stderr]     Checking async-global-executor v2.0.2
[INFO] [stderr]     Checking async-std v1.9.0
[INFO] [stderr]     Checking serde v1.0.126
[INFO] [stderr]     Checking futures-executor v0.3.15
[INFO] [stderr]     Checking futures v0.3.15
[INFO] [stderr]     Checking xactor v0.7.11
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking serde_qs v0.7.2
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking http-types v2.11.1
[INFO] [stderr]     Checking async-session v2.0.1
[INFO] [stderr]     Checking femme v2.1.1
[INFO] [stderr]     Checking http-client v6.3.5
[INFO] [stderr]     Checking async-sse v4.1.0
[INFO] [stderr]     Checking async-h1 v2.3.2
[INFO] [stderr]     Checking tide v0.16.0
[INFO] [stderr]     Checking matcha v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `account`
[INFO] [stdout]   --> src/actors.rs:86:36
[INFO] [stdout]    |
[INFO] [stdout] 86 |             Intent::CancelIntent { account, order_id } =>
[INFO] [stdout]    |                                    ^^^^^^^ help: try ignoring the field: `account: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `order_id`
[INFO] [stdout]   --> src/actors.rs:86:45
[INFO] [stdout]    |
[INFO] [stdout] 86 |             Intent::CancelIntent { account, order_id } =>
[INFO] [stdout]    |                                             ^^^^^^^^ help: try ignoring the field: `order_id: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]    --> src/actors.rs:183:33
[INFO] [stdout]     |
[INFO] [stdout] 183 |     async fn started(&mut self, ctx: &mut Context<Self>) -> Result<()> {
[INFO] [stdout]     |                                 ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `req`
[INFO] [stdout]   --> src/web.rs:56:22
[INFO] [stdout]    |
[INFO] [stdout] 56 | async fn orders_list(req: Request<ActorConnections>) -> tide::Result {
[INFO] [stdout]    |                      ^^^ help: if this is intentional, prefix it with an underscore: `_req`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `order`
[INFO] [stdout]   --> src/web.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |     let order: Order = req.body_json().await?;
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_order`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/web.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |     let n: usize = req.param("id")?.parse()?;
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/web.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |     let n: usize = req.param("id")?.parse()?;
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/web.rs:88:9
[INFO] [stdout]    |
[INFO] [stdout] 88 |     let n: usize = req.param("id")?.parse()?;
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Connections` is more private than the item `ActorConnections`
[INFO] [stdout]   --> src/main.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout]  8 | pub type ActorConnections = Connections;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^ type alias `ActorConnections` is reachable at visibility `pub`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `Connections` is only usable at visibility `pub(crate)`
[INFO] [stdout]   --> src/main.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Connections {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `orderbook` is never read
[INFO] [stdout]   --> src/main.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Connections {
[INFO] [stdout]    |        ----------- field in this struct
[INFO] [stdout] 12 |     pub accounts: Addr<AccountActor>,
[INFO] [stdout] 13 |     pub orderbook: Addr<OrderBookActor>
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Connections` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `asks` is never read
[INFO] [stdout]   --> src/actors.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct OrderBook {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 12 |     bids: BTreeMap<u64, Order>,
[INFO] [stdout] 13 |     asks: BTreeMap<u64, Order>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `AccountOperations` is never used
[INFO] [stdout]   --> src/actors.rs:31:10
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub enum AccountOperations {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Amount` is never used
[INFO] [stdout]   --> src/matching.rs:20:10
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub type Amount = usize;
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/matching.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 55 | impl Account {
[INFO] [stdout]    | ------------ associated function in this implementation
[INFO] [stdout] 56 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_request` is never used
[INFO] [stdout]    --> src/matching.rs:115:12
[INFO] [stdout]     |
[INFO] [stdout] 104 | impl Order {
[INFO] [stdout]     | ---------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 115 |     pub fn from_request(req: Intent) -> Option<Self> {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/matching.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     ORDERIDGEN.set(n + 1);
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let _ = ORDERIDGEN.set(n + 1);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `account`
[INFO] [stdout]   --> src/actors.rs:86:36
[INFO] [stdout]    |
[INFO] [stdout] 86 |             Intent::CancelIntent { account, order_id } =>
[INFO] [stdout]    |                                    ^^^^^^^ help: try ignoring the field: `account: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `order_id`
[INFO] [stdout]   --> src/actors.rs:86:45
[INFO] [stdout]    |
[INFO] [stdout] 86 |             Intent::CancelIntent { account, order_id } =>
[INFO] [stdout]    |                                             ^^^^^^^^ help: try ignoring the field: `order_id: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]    --> src/actors.rs:183:33
[INFO] [stdout]     |
[INFO] [stdout] 183 |     async fn started(&mut self, ctx: &mut Context<Self>) -> Result<()> {
[INFO] [stdout]     |                                 ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `req`
[INFO] [stdout]   --> src/web.rs:56:22
[INFO] [stdout]    |
[INFO] [stdout] 56 | async fn orders_list(req: Request<ActorConnections>) -> tide::Result {
[INFO] [stdout]    |                      ^^^ help: if this is intentional, prefix it with an underscore: `_req`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `order`
[INFO] [stdout]   --> src/web.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |     let order: Order = req.body_json().await?;
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_order`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/web.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |     let n: usize = req.param("id")?.parse()?;
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/web.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |     let n: usize = req.param("id")?.parse()?;
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/web.rs:88:9
[INFO] [stdout]    |
[INFO] [stdout] 88 |     let n: usize = req.param("id")?.parse()?;
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Connections` is more private than the item `ActorConnections`
[INFO] [stdout]   --> src/main.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout]  8 | pub type ActorConnections = Connections;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^ type alias `ActorConnections` is reachable at visibility `pub`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `Connections` is only usable at visibility `pub(crate)`
[INFO] [stdout]   --> src/main.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Connections {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `orderbook` is never read
[INFO] [stdout]   --> src/main.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Connections {
[INFO] [stdout]    |        ----------- field in this struct
[INFO] [stdout] 12 |     pub accounts: Addr<AccountActor>,
[INFO] [stdout] 13 |     pub orderbook: Addr<OrderBookActor>
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Connections` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `asks` is never read
[INFO] [stdout]   --> src/actors.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct OrderBook {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 12 |     bids: BTreeMap<u64, Order>,
[INFO] [stdout] 13 |     asks: BTreeMap<u64, Order>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `AccountOperations` is never used
[INFO] [stdout]   --> src/actors.rs:31:10
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub enum AccountOperations {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Amount` is never used
[INFO] [stdout]   --> src/matching.rs:20:10
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub type Amount = usize;
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/matching.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 55 | impl Account {
[INFO] [stdout]    | ------------ associated function in this implementation
[INFO] [stdout] 56 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_request` is never used
[INFO] [stdout]    --> src/matching.rs:115:12
[INFO] [stdout]     |
[INFO] [stdout] 104 | impl Order {
[INFO] [stdout]     | ---------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 115 |     pub fn from_request(req: Intent) -> Option<Self> {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/matching.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     ORDERIDGEN.set(n + 1);
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let _ = ORDERIDGEN.set(n + 1);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.60s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: http-types v2.11.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "c210267b400115a6aa2b9f7a3479e51896fe3fc3ca5c83eab16a75726850011e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c210267b400115a6aa2b9f7a3479e51896fe3fc3ca5c83eab16a75726850011e", kill_on_drop: false }`
[INFO] [stdout] c210267b400115a6aa2b9f7a3479e51896fe3fc3ca5c83eab16a75726850011e
