[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 }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fc743258b44e16b246cba440d969190f1155ed07
[INFO] testing celaus/matcha against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcelaus%2Fmatcha" "/workspace/builds/worker-106/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-106/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/celaus/matcha on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-106/source/Cargo.toml
[INFO] crate git repo https://github.com/celaus/matcha already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[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)]` 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: private type `Connections` in public interface (error E0446)
[INFO] [stdout]   --> src/web.rs:95:1
[INFO] [stdout]    |
[INFO] [stdout] 95 | pub async fn start(state: ActorConnections) -> Result<()> {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(private_in_public)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `Connections` in public interface (error E0446)
[INFO] [stdout]  --> src/main.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub type ActorConnections = Connections;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `asks`
[INFO] [stdout]   --> src/actors.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     asks: BTreeMap<u64, Order>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `AccountOperations`
[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 is never used: `Amount`
[INFO] [stdout]   --> src/matching.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub type Amount = usize;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/matching.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_request`
[INFO] [stdout]    --> src/matching.rs:115:12
[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: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.40s
[INFO] running `Command { std: "docker" "inspect" "1447f79cd195c4df4ceb41e49e95cddbe6856956aa20fb33e2857f7f3bed3979", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1447f79cd195c4df4ceb41e49e95cddbe6856956aa20fb33e2857f7f3bed3979", kill_on_drop: false }`
[INFO] [stdout] 1447f79cd195c4df4ceb41e49e95cddbe6856956aa20fb33e2857f7f3bed3979
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d372bf69880a94e1e3e7e184674e2c404ab436706f723e851165fb2e2c206bc0
[INFO] running `Command { std: "docker" "start" "-a" "d372bf69880a94e1e3e7e184674e2c404ab436706f723e851165fb2e2c206bc0", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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)]` 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: private type `Connections` in public interface (error E0446)
[INFO] [stdout]   --> src/web.rs:95:1
[INFO] [stdout]    |
[INFO] [stdout] 95 | pub async fn start(state: ActorConnections) -> Result<()> {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(private_in_public)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `Connections` in public interface (error E0446)
[INFO] [stdout]  --> src/main.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub type ActorConnections = Connections;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `asks`
[INFO] [stdout]   --> src/actors.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     asks: BTreeMap<u64, Order>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `AccountOperations`
[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 is never used: `Amount`
[INFO] [stdout]   --> src/matching.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub type Amount = usize;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/matching.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_request`
[INFO] [stdout]    --> src/matching.rs:115:12
[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: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "d372bf69880a94e1e3e7e184674e2c404ab436706f723e851165fb2e2c206bc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d372bf69880a94e1e3e7e184674e2c404ab436706f723e851165fb2e2c206bc0", kill_on_drop: false }`
[INFO] [stdout] d372bf69880a94e1e3e7e184674e2c404ab436706f723e851165fb2e2c206bc0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 925330bf2507c0053db6287821268572c899f770999c0dd3d9cefc88322faaac
[INFO] running `Command { std: "docker" "start" "-a" "925330bf2507c0053db6287821268572c899f770999c0dd3d9cefc88322faaac", 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] [stderr] warning: unused variable: `account`
[INFO] [stderr]   --> src/actors.rs:86:36
[INFO] [stderr]    |
[INFO] [stderr] 86 |             Intent::CancelIntent { account, order_id } =>
[INFO] [stderr]    |                                    ^^^^^^^ help: try ignoring the field: `account: _`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `order_id`
[INFO] [stderr]   --> src/actors.rs:86:45
[INFO] [stderr]    |
[INFO] [stderr] 86 |             Intent::CancelIntent { account, order_id } =>
[INFO] [stderr]    |                                             ^^^^^^^^ help: try ignoring the field: `order_id: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]    --> src/actors.rs:183:33
[INFO] [stderr]     |
[INFO] [stderr] 183 |     async fn started(&mut self, ctx: &mut Context<Self>) -> Result<()> {
[INFO] [stderr]     |                                 ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `req`
[INFO] [stderr]   --> src/web.rs:56:22
[INFO] [stderr]    |
[INFO] [stderr] 56 | async fn orders_list(req: Request<ActorConnections>) -> tide::Result {
[INFO] [stderr]    |                      ^^^ help: if this is intentional, prefix it with an underscore: `_req`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `order`
[INFO] [stderr]   --> src/web.rs:64:9
[INFO] [stderr]    |
[INFO] [stderr] 64 |     let order: Order = req.body_json().await?;
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_order`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]   --> src/web.rs:72:9
[INFO] [stderr]    |
[INFO] [stderr] 72 |     let n: usize = req.param("id")?.parse()?;
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]   --> src/web.rs:80:9
[INFO] [stderr]    |
[INFO] [stderr] 80 |     let n: usize = req.param("id")?.parse()?;
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]   --> src/web.rs:88:9
[INFO] [stderr]    |
[INFO] [stderr] 88 |     let n: usize = req.param("id")?.parse()?;
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: private type `Connections` in public interface (error E0446)
[INFO] [stderr]   --> src/web.rs:95:1
[INFO] [stderr]    |
[INFO] [stderr] 95 | pub async fn start(state: ActorConnections) -> Result<()> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(private_in_public)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stderr] 
[INFO] [stderr] warning: private type `Connections` in public interface (error E0446)
[INFO] [stderr]  --> src/main.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub type ActorConnections = Connections;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]   = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `asks`
[INFO] [stderr]   --> src/actors.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     asks: BTreeMap<u64, Order>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `AccountOperations`
[INFO] [stderr]   --> src/actors.rs:31:10
[INFO] [stderr]    |
[INFO] [stderr] 31 | pub enum AccountOperations {
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Amount`
[INFO] [stderr]   --> src/matching.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub type Amount = usize;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/matching.rs:56:12
[INFO] [stderr]    |
[INFO] [stderr] 56 |     pub fn new() -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `from_request`
[INFO] [stderr]    --> src/matching.rs:115:12
[INFO] [stderr]     |
[INFO] [stderr] 115 |     pub fn from_request(req: Intent) -> Option<Self> {
[INFO] [stderr]     |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/matching.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     ORDERIDGEN.set(n + 1);
[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: 16 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 12.85s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/matcha-2b3c0f15e2c2c559)
[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" "925330bf2507c0053db6287821268572c899f770999c0dd3d9cefc88322faaac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "925330bf2507c0053db6287821268572c899f770999c0dd3d9cefc88322faaac", kill_on_drop: false }`
[INFO] [stdout] 925330bf2507c0053db6287821268572c899f770999c0dd3d9cefc88322faaac
