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[INFO] [stderr] Downloaded serde_json v1.0.38 [INFO] [stderr] Downloaded tokio-serde-json v0.2.0 [INFO] [stderr] Downloaded serde v1.0.87 [INFO] [stderr] Downloaded tokio-fs v0.1.5 [INFO] [stderr] Downloaded serde_derive v1.0.87 [INFO] [stderr] Downloaded crossbeam-channel v0.3.8 [INFO] [stderr] Downloaded tokio-io v0.1.11 [INFO] [stderr] Downloaded tokio-sync v0.1.1 [INFO] [stderr] Downloaded crossbeam v0.6.0 [INFO] [stderr] Downloaded rand_jitter v0.1.2 [INFO] [stderr] Downloaded tokio-reactor v0.1.8 [INFO] [stderr] Downloaded tokio-serde v0.3.0 [INFO] [stderr] Downloaded tokio v0.1.15 [INFO] [stderr] Downloaded rppal v0.10.0 [INFO] [stderr] Downloaded tokio-threadpool v0.1.11 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d670f906c2f135f9d93a9045d82e99de1409bc94f51fabb406b76a0d91c05df5 [INFO] running `Command { std: "docker" "start" "-a" "d670f906c2f135f9d93a9045d82e99de1409bc94f51fabb406b76a0d91c05df5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" 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"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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6504a1f7ce51329c6929373948767c44acc5c3188658ce850dc99d34737bd9f8 [INFO] running `Command { std: "docker" "start" "-a" "6504a1f7ce51329c6929373948767c44acc5c3188658ce850dc99d34737bd9f8", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.48 [INFO] [stderr] Checking cfg-if v0.1.6 [INFO] [stderr] Checking rand_core v0.4.0 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Checking lazy_static v1.2.0 [INFO] [stderr] Compiling autocfg v0.1.2 [INFO] [stderr] Checking futures v0.1.25 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Compiling byteorder v1.3.1 [INFO] [stderr] Checking crossbeam-utils v0.6.5 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking rand_jitter v0.1.2 [INFO] [stderr] Checking smallvec v0.6.8 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Checking stable_deref_trait v1.1.1 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking owning_ref v0.4.0 [INFO] [stderr] Compiling arrayvec v0.4.10 [INFO] [stderr] Checking lazycell v1.2.1 [INFO] [stderr] Checking nodrop v0.1.13 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Compiling rand_pcg v0.1.1 [INFO] [stderr] Compiling parking_lot_core v0.4.0 [INFO] [stderr] Checking lock_api v0.1.5 [INFO] [stderr] Compiling proc-macro2 v0.4.27 [INFO] [stderr] Checking crossbeam-channel v0.3.8 [INFO] [stderr] Compiling serde v1.0.87 [INFO] [stderr] Compiling ryu v0.2.7 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking rand_os v0.1.2 [INFO] [stderr] Checking num_cpus v1.9.0 [INFO] [stderr] Checking bytes v0.4.11 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Checking mio v0.6.16 [INFO] [stderr] Checking itoa v0.4.3 [INFO] [stderr] Checking rppal v0.10.0 [INFO] [stderr] Checking crossbeam-epoch v0.7.1 [INFO] [stderr] Checking tokio-executor v0.1.6 [INFO] [stderr] Checking tokio-io v0.1.11 [INFO] [stderr] Checking crossbeam-deque v0.6.3 [INFO] [stderr] Compiling quote v0.6.11 [INFO] [stderr] Checking tokio-timer v0.2.10 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Compiling syn v0.15.26 [INFO] [stderr] Checking tokio-codec v0.1.1 [INFO] [stderr] Checking tokio-current-thread v0.1.4 [INFO] [stderr] Checking tokio-serde v0.3.0 [INFO] [stderr] Checking tokio-sync v0.1.1 [INFO] [stderr] Checking parking_lot v0.7.1 [INFO] [stderr] Checking tokio-reactor v0.1.8 [INFO] [stderr] Checking crossbeam v0.6.0 [INFO] [stderr] Checking tokio-threadpool v0.1.11 [INFO] [stderr] Checking tokio-uds v0.2.5 [INFO] [stderr] Checking tokio-udp v0.1.3 [INFO] [stderr] Checking tokio-tcp v0.1.3 [INFO] [stderr] Checking tokio-fs v0.1.5 [INFO] [stderr] Checking tokio v0.1.15 [INFO] [stderr] Compiling serde_derive v1.0.87 [INFO] [stderr] Checking serde_json v1.0.38 [INFO] [stderr] Checking tokio-serde-json v0.2.0 [INFO] [stderr] Checking robot v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/lib.rs:8:1 [INFO] [stdout] | [INFO] [stdout] 8 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/controller/mod.rs:39:26 [INFO] [stdout] | [INFO] [stdout] 39 | pub type AsyncTask = Box + Send>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 39 | pub type AsyncTask = Box + Send>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread` [INFO] [stdout] --> src/peripherals/motors.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::thread; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::time::Duration` [INFO] [stdout] --> src/peripherals/motors.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::time::Duration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/lib.rs:8:1 [INFO] [stdout] | [INFO] [stdout] 8 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/controller/mod.rs:39:26 [INFO] [stdout] | [INFO] [stdout] 39 | pub type AsyncTask = Box + Send>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 39 | pub type AsyncTask = Box + Send>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `order_type`, `device`, and `cmd` are never read [INFO] [stdout] --> src/io/tcp_json.rs:22:2 [INFO] [stdout] | [INFO] [stdout] 21 | pub struct JsonMsg { [INFO] [stdout] | ------- fields in this struct [INFO] [stdout] 22 | order_type: String, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 23 | device: String, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 24 | cmd: u64, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `JsonMsg` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `ENA` is never used [INFO] [stdout] --> src/peripherals/motors.rs:9:7 [INFO] [stdout] | [INFO] [stdout] 9 | const ENA: u8 = 18; //PWM0, Left Motor [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `ENB` is never used [INFO] [stdout] --> src/peripherals/motors.rs:13:7 [INFO] [stdout] | [INFO] [stdout] 13 | const ENB: u8 = 19; //PWM1, Right Motor [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `L_ENC_YEL` is never used [INFO] [stdout] --> src/peripherals/motors.rs:18:7 [INFO] [stdout] | [INFO] [stdout] 18 | const L_ENC_YEL: u8 = 20; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `L_ENC_GRE` is never used [INFO] [stdout] --> src/peripherals/motors.rs:19:7 [INFO] [stdout] | [INFO] [stdout] 19 | const L_ENC_GRE: u8 = 21; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `R_ENC_YEL` is never used [INFO] [stdout] --> src/peripherals/motors.rs:21:7 [INFO] [stdout] | [INFO] [stdout] 21 | const R_ENC_YEL: u8 = 23; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `R_ENC_GRE` is never used [INFO] [stdout] --> src/peripherals/motors.rs:22:7 [INFO] [stdout] | [INFO] [stdout] 22 | const R_ENC_GRE: u8 = 24; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item [INFO] [stdout] --> src/io/tcp_json.rs:11:10 [INFO] [stdout] | [INFO] [stdout] 11 | #[derive(Deserialize, Debug)] [INFO] [stdout] | ^---------- [INFO] [stdout] | | [INFO] [stdout] | `Deserialize` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_IMPL_DESERIALIZE_FOR_CommandType` [INFO] [stdout] 12 | pub enum CommandType { [INFO] [stdout] | ----------- `CommandType` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `Deserialize` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `Deserialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive` [INFO] [stdout] = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` [INFO] [stdout] = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint [INFO] [stdout] = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue [INFO] [stdout] = note: `#[warn(non_local_definitions)]` on by default [INFO] [stdout] = note: this warning originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item [INFO] [stdout] --> src/io/tcp_json.rs:20:10 [INFO] [stdout] | [INFO] [stdout] 20 | #[derive(Deserialize, Debug)] [INFO] [stdout] | ^---------- [INFO] [stdout] | | [INFO] [stdout] | `Deserialize` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_IMPL_DESERIALIZE_FOR_JsonMsg` [INFO] [stdout] 21 | pub struct JsonMsg { [INFO] [stdout] | ------- `JsonMsg` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `Deserialize` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `Deserialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive` [INFO] [stdout] = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` [INFO] [stdout] = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint [INFO] [stdout] = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue [INFO] [stdout] = note: this warning originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `order_type`, `device`, and `cmd` are never read [INFO] [stdout] --> src/io/tcp_json.rs:22:2 [INFO] [stdout] | [INFO] [stdout] 21 | pub struct JsonMsg { [INFO] [stdout] | ------- fields in this struct [INFO] [stdout] 22 | order_type: String, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 23 | device: String, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 24 | cmd: u64, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `JsonMsg` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `ENA` is never used [INFO] [stdout] --> src/peripherals/motors.rs:9:7 [INFO] [stdout] | [INFO] [stdout] 9 | const ENA: u8 = 18; //PWM0, Left Motor [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `ENB` is never used [INFO] [stdout] --> src/peripherals/motors.rs:13:7 [INFO] [stdout] | [INFO] [stdout] 13 | const ENB: u8 = 19; //PWM1, Right Motor [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `L_ENC_YEL` is never used [INFO] [stdout] --> src/peripherals/motors.rs:18:7 [INFO] [stdout] | [INFO] [stdout] 18 | const L_ENC_YEL: u8 = 20; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `L_ENC_GRE` is never used [INFO] [stdout] --> src/peripherals/motors.rs:19:7 [INFO] [stdout] | [INFO] [stdout] 19 | const L_ENC_GRE: u8 = 21; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `R_ENC_YEL` is never used [INFO] [stdout] --> src/peripherals/motors.rs:21:7 [INFO] [stdout] | [INFO] [stdout] 21 | const R_ENC_YEL: u8 = 23; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `R_ENC_GRE` is never used [INFO] [stdout] --> src/peripherals/motors.rs:22:7 [INFO] [stdout] | [INFO] [stdout] 22 | const R_ENC_GRE: u8 = 24; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item [INFO] [stdout] --> src/io/tcp_json.rs:11:10 [INFO] [stdout] | [INFO] [stdout] 11 | #[derive(Deserialize, Debug)] [INFO] [stdout] | ^---------- [INFO] [stdout] | | [INFO] [stdout] | `Deserialize` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_IMPL_DESERIALIZE_FOR_CommandType` [INFO] [stdout] 12 | pub enum CommandType { [INFO] [stdout] | ----------- `CommandType` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `Deserialize` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `Deserialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive` [INFO] [stdout] = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` [INFO] [stdout] = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint [INFO] [stdout] = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue [INFO] [stdout] = note: `#[warn(non_local_definitions)]` on by default [INFO] [stdout] = note: this warning originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item [INFO] [stdout] --> src/io/tcp_json.rs:20:10 [INFO] [stdout] | [INFO] [stdout] 20 | #[derive(Deserialize, Debug)] [INFO] [stdout] | ^---------- [INFO] [stdout] | | [INFO] [stdout] | `Deserialize` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_IMPL_DESERIALIZE_FOR_JsonMsg` [INFO] [stdout] 21 | pub struct JsonMsg { [INFO] [stdout] | ------- `JsonMsg` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `Deserialize` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `Deserialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive` [INFO] [stdout] = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` [INFO] [stdout] = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint [INFO] [stdout] = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue [INFO] [stdout] = note: this warning originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/peripherals/motors.rs:182:3 [INFO] [stdout] | [INFO] [stdout] 182 | motors.stop(); [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] 182 | let _ = motors.stop(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `robot::io::tcp_server` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use robot::io::tcp_server; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `robot::controller::Controller` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use robot::controller::Controller; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `robot::io::tcp_server` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use robot::io::tcp_server; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `robot::controller::Controller` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use robot::controller::Controller; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:28:5 [INFO] [stdout] | [INFO] [stdout] 28 | motors.stop(); [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] 28 | let _ = motors.stop(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:28:5 [INFO] [stdout] | [INFO] [stdout] 28 | motors.stop(); [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] 28 | let _ = motors.stop(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.13s [INFO] running `Command { std: "docker" "inspect" "6504a1f7ce51329c6929373948767c44acc5c3188658ce850dc99d34737bd9f8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6504a1f7ce51329c6929373948767c44acc5c3188658ce850dc99d34737bd9f8", kill_on_drop: false }` [INFO] [stdout] 6504a1f7ce51329c6929373948767c44acc5c3188658ce850dc99d34737bd9f8