[INFO] cloning repository https://github.com/Dominik355/rust_playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Dominik355/rust_playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDominik355%2Frust_playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDominik355%2Frust_playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 905d47fd83458ff296a0a282111bbf3f1ae90b35
[INFO] checking Dominik355/rust_playground against try#f77b5bc6c7c84df104f86b0dd01d9490e3923fa8 for pr-147834
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDominik355%2Frust_playground" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Dominik355/rust_playground
[INFO] finished tweaking git repo https://github.com/Dominik355/rust_playground
[INFO] tweaked toml for git repo https://github.com/Dominik355/rust_playground written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Dominik355/rust_playground on toolchain f77b5bc6c7c84df104f86b0dd01d9490e3923fa8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f77b5bc6c7c84df104f86b0dd01d9490e3923fa8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Dominik355/rust_playground 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" "+f77b5bc6c7c84df104f86b0dd01d9490e3923fa8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: /workspace/builds/worker-7-tc2/source/async_testing/Cargo.toml: unused manifest key: dev
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+f77b5bc6c7c84df104f86b0dd01d9490e3923fa8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 805c92640e3a51e2248bcb1796aa3982f3ff68d6aae37c1420e6e0f1a13ba0f2
[INFO] running `Command { std: "docker" "start" "-a" "805c92640e3a51e2248bcb1796aa3982f3ff68d6aae37c1420e6e0f1a13ba0f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "805c92640e3a51e2248bcb1796aa3982f3ff68d6aae37c1420e6e0f1a13ba0f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "805c92640e3a51e2248bcb1796aa3982f3ff68d6aae37c1420e6e0f1a13ba0f2", kill_on_drop: false }`
[INFO] [stdout] 805c92640e3a51e2248bcb1796aa3982f3ff68d6aae37c1420e6e0f1a13ba0f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+f77b5bc6c7c84df104f86b0dd01d9490e3923fa8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c64615e770d4b35406fae229cb71ccb0e9a3c0333c63ac4897026ac84d4fd2d
[INFO] running `Command { std: "docker" "start" "-a" "4c64615e770d4b35406fae229cb71ccb0e9a3c0333c63ac4897026ac84d4fd2d", kill_on_drop: false }`
[INFO] [stderr] warning: /opt/rustwide/workdir/async_testing/Cargo.toml: unused manifest key: dev
[INFO] [stderr]    Compiling cc v1.1.0
[INFO] [stderr]    Compiling serde v1.0.204
[INFO] [stderr]     Checking gimli v0.29.0
[INFO] [stderr]     Checking object v0.36.1
[INFO] [stderr]    Compiling anyhow v1.0.89
[INFO] [stderr]     Checking miniz_oxide v0.7.4
[INFO] [stderr]     Checking regex-syntax v0.8.4
[INFO] [stderr]    Compiling syn v2.0.70
[INFO] [stderr]     Checking mio v1.0.2
[INFO] [stderr]    Compiling serde_json v1.0.128
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking unicode-normalization v0.1.23
[INFO] [stderr]    Compiling matrixmultiply v0.3.8
[INFO] [stderr]    Compiling protobuf v2.28.0
[INFO] [stderr]    Compiling thiserror v1.0.61
[INFO] [stderr]     Checking arc-swap v1.7.1
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]    Compiling prometheus v0.13.4
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking nanorand v0.7.0
[INFO] [stderr]     Checking chrono v0.4.38
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking half v2.4.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking ciborium-io v0.2.2
[INFO] [stderr]     Checking winnow v0.6.18
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking plotters-backend v0.3.6
[INFO] [stderr]     Checking flume v0.11.0
[INFO] [stderr]     Checking url v2.5.2
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking clap_builder v4.5.9
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]     Checking plotters-svg v0.3.6
[INFO] [stderr]     Checking ndarray v0.15.6
[INFO] [stderr]     Checking left-right v0.11.5
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking plotters v0.3.6
[INFO] [stderr]    Compiling cmake v0.1.50
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking cron v0.12.1
[INFO] [stderr]     Checking is-terminal v0.4.12
[INFO] [stderr]     Checking anes v0.1.6
[INFO] [stderr]     Checking oorandom v11.1.4
[INFO] [stderr]     Checking arcswap-vs-leftright v0.1.0 (/opt/rustwide/workdir/arcswap-vs-leftright)
[INFO] [stderr]     Checking sync_watch_channel v0.1.0 (/opt/rustwide/workdir/async_testing)
[INFO] [stderr]     Checking rw_lock v0.1.0 (/opt/rustwide/workdir/rw_lock)
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> arcswap-vs-leftright/src/lib.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn main() {}
[INFO] [stdout]    |    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> arcswap-vs-leftright/src/left_right_cell.rs:42:16
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn get(&self) -> Option<ReadGuard<T>> {
[INFO] [stdout]    |                ^^^^^            ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                |
[INFO] [stdout]    |                the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn get(&self) -> Option<ReadGuard<'_, T>> {
[INFO] [stdout]    |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> arcswap-vs-leftright/src/left_right_cell.rs:46:33
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub unsafe fn get_unchecked(&self) -> ReadGuard<T> {
[INFO] [stdout]    |                                 ^^^^^     ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                 |
[INFO] [stdout]    |                                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub unsafe fn get_unchecked(&self) -> ReadGuard<'_, T> {
[INFO] [stdout]    |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking patterns v0.1.0 (/opt/rustwide/workdir/patterns)
[INFO] [stdout] warning: method `fetch_add` is never used
[INFO] [stdout]   --> async_testing/src/test/managed_thread.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl AtomicU32 {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn fetch_add(
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `set` is never used
[INFO] [stdout]   --> async_testing/src/test/managed_thread.rs:63:8
[INFO] [stdout]    |
[INFO] [stdout] 62 | impl SharedContext {
[INFO] [stdout]    | ------------------ associated function in this implementation
[INFO] [stdout] 63 |     fn set(ctx: Arc<SharedContext>) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ManagedHandle` is never constructed
[INFO] [stdout]   --> async_testing/src/test/managed_thread.rs:84:12
[INFO] [stdout]    |
[INFO] [stdout] 84 | pub struct ManagedHandle<'scope, T> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `spawn` is never used
[INFO] [stdout]   --> async_testing/src/test/managed_thread.rs:90:8
[INFO] [stdout]    |
[INFO] [stdout] 90 | pub fn spawn<'scope, T: 'scope + Send>(
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `is_paused`, `unpause`, `submit`, and `join` are never used
[INFO] [stdout]    --> async_testing/src/test/managed_thread.rs:114:12
[INFO] [stdout]     |
[INFO] [stdout] 113 | impl<'scope, T> ManagedHandle<'scope, T> {
[INFO] [stdout]     | ---------------------------------------- methods in this implementation
[INFO] [stdout] 114 |     pub fn is_paused(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 119 |     pub fn unpause(&self) {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 131 |     pub fn submit<F: FnOnce(&mut T) + Send + 'scope>(&self, f: F) {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 143 |     pub fn join(self) {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling backtrace v0.3.73
[INFO] [stderr]    Compiling openssl-sys v0.9.102
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> patterns/src/observer.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Element(usize),
[INFO] [stdout]   |     ------- ^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Event` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 9 -     Element(usize),
[INFO] [stdout] 9 +     Element(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling libz-sys v1.1.18
[INFO] [stderr]    Compiling rdkafka-sys v4.7.0+2.3.0
[INFO] [stdout] warning: struct `AtomicU32` is never constructed
[INFO] [stdout]  --> async_testing/src/test/managed_thread.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct AtomicU32 {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `load`, `store`, and `fetch_add` are never used
[INFO] [stdout]   --> async_testing/src/test/managed_thread.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl AtomicU32 {
[INFO] [stdout]    | -------------- methods in this implementation
[INFO] [stdout] 13 |     pub fn load(&self, ordering: Ordering) -> u32 {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub fn store(&self, value: u32, ordering: Ordering) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn fetch_add(
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `pause` is never used
[INFO] [stdout]   --> async_testing/src/test/managed_thread.rs:38:4
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn pause() {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SharedContext` is never constructed
[INFO] [stdout]   --> async_testing/src/test/managed_thread.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 | struct SharedContext {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `State` is never used
[INFO] [stdout]   --> async_testing/src/test/managed_thread.rs:51:6
[INFO] [stdout]    |
[INFO] [stdout] 51 | enum State {
[INFO] [stdout]    |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `set`, `get`, and `pause` are never used
[INFO] [stdout]   --> async_testing/src/test/managed_thread.rs:63:8
[INFO] [stdout]    |
[INFO] [stdout] 62 | impl SharedContext {
[INFO] [stdout]    | ------------------ associated items in this implementation
[INFO] [stdout] 63 |     fn set(ctx: Arc<SharedContext>) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 67 |     fn get() -> Option<Arc<SharedContext>> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 71 |     fn pause(&self) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ManagedHandle` is never constructed
[INFO] [stdout]   --> async_testing/src/test/managed_thread.rs:84:12
[INFO] [stdout]    |
[INFO] [stdout] 84 | pub struct ManagedHandle<'scope, T> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `spawn` is never used
[INFO] [stdout]   --> async_testing/src/test/managed_thread.rs:90:8
[INFO] [stdout]    |
[INFO] [stdout] 90 | pub fn spawn<'scope, T: 'scope + Send>(
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `is_paused`, `unpause`, `submit`, and `join` are never used
[INFO] [stdout]    --> async_testing/src/test/managed_thread.rs:114:12
[INFO] [stdout]     |
[INFO] [stdout] 113 | impl<'scope, T> ManagedHandle<'scope, T> {
[INFO] [stdout]     | ---------------------------------------- methods in this implementation
[INFO] [stdout] 114 |     pub fn is_paused(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 119 |     pub fn unpause(&self) {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 131 |     pub fn submit<F: FnOnce(&mut T) + Send + 'scope>(&self, f: F) {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 143 |     pub fn join(self) {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Event` is never used
[INFO] [stdout]  --> patterns/src/observer.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub enum Event {
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Notifier` is never constructed
[INFO] [stdout]  --> patterns/src/observer/callback.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Notifier<E, Ctx> {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `register`, and `notify` are never used
[INFO] [stdout]   --> patterns/src/observer/callback.rs:6:12
[INFO] [stdout]    |
[INFO] [stdout]  5 | impl<E, Ctx> Notifier<E, Ctx> {
[INFO] [stdout]    | ----------------------------- associated items in this implementation
[INFO] [stdout]  6 |     pub fn new() -> Notifier<E, Ctx> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 12 |     pub fn register<F>(&mut self, callback: F)
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub fn notify(&self, event: E, ctx: &mut Ctx) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Observable` is never used
[INFO] [stdout]  --> patterns/src/observer/channels.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | trait Observable {
[INFO] [stdout]   |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ObservableImpl` is never constructed
[INFO] [stdout]   --> patterns/src/observer/channels.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct ObservableImpl {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Observable` is never used
[INFO] [stdout]  --> patterns/src/observer/rc.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | trait Observable {
[INFO] [stdout]   |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Observer` is never used
[INFO] [stdout]  --> patterns/src/observer/rc.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | trait Observer {
[INFO] [stdout]   |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ObservableImpl` is never constructed
[INFO] [stdout]   --> patterns/src/observer/rc.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct ObservableImpl {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ObserverImpl` is never constructed
[INFO] [stdout]   --> patterns/src/observer/rc.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | struct ObserverImpl {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> patterns/src/observer/rc.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 41 | impl ObserverImpl {
[INFO] [stdout]    | ----------------- associated function in this implementation
[INFO] [stdout] 42 |     pub fn new(name: impl Into<String>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `IObserver` is never used
[INFO] [stdout]  --> patterns/src/observer/reference.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | trait IObserver {
[INFO] [stdout]   |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ISubject` is never used
[INFO] [stdout]  --> patterns/src/observer/reference.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | trait ISubject<'a, T: IObserver> {
[INFO] [stdout]   |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Subject` is never constructed
[INFO] [stdout]   --> patterns/src/observer/reference.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct Subject<'a, T: IObserver> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> patterns/src/observer/reference.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl<'a, T: IObserver + PartialEq> Subject<'a, T> {
[INFO] [stdout]    | ------------------------------------------------- associated function in this implementation
[INFO] [stdout] 17 |     fn new() -> Subject<'a, T> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ConcreteObserver` is never constructed
[INFO] [stdout]   --> patterns/src/observer/reference.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 | struct ConcreteObserver {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling openssl v0.10.64
[INFO] [stderr]    Compiling native-tls v0.2.12
[INFO] [stderr]     Checking sysinfo v0.30.13
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]     Checking clap v4.5.9
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]    Compiling quickcheck_macros v1.0.0
[INFO] [stderr]     Checking addr2line v0.22.0
[INFO] [stderr]    Compiling num_enum_derive v0.5.11
[INFO] [stderr]     Checking num_enum v0.5.11
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling serde_derive v1.0.204
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.61
[INFO] [stderr]     Checking regex v1.10.5
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking tokio v1.40.0
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]     Checking quickcheck v1.0.3
[INFO] [stderr]     Checking left-right-map v0.1.0 (/opt/rustwide/workdir/left-right-map)
[INFO] [stdout] warning: unused import: `BuildHasher`
[INFO] [stdout]  --> left-right-map/src/read/read_ref.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::hash::{BuildHasher, Hash};
[INFO] [stdout]   |                 ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BuildHasher`
[INFO] [stdout]  --> left-right-map/src/read/read_ref.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::hash::{BuildHasher, Hash};
[INFO] [stdout]   |                 ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Inner<K, V>` is more private than the item `SharedWriteHandle::<K, V>::inner`
[INFO] [stdout]   --> left-right-map/src/write.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | /     pub fn inner(
[INFO] [stdout] 51 | |         &mut self,
[INFO] [stdout] 52 | |     ) -> MutexGuard<'_, left_right::WriteHandle<Inner<K, V>, Operation<K, V>>> {
[INFO] [stdout]    | |______________________________________________________________________________^ method `SharedWriteHandle::<K, V>::inner` is reachable at visibility `pub`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `Inner<K, V>` is only usable at visibility `pub(crate)`
[INFO] [stdout]   --> left-right-map/src/inner.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout]  5 | pub(crate) struct Inner<K, V>
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Operation<K, V>` is more private than the item `SharedWriteHandle::<K, V>::inner`
[INFO] [stdout]    --> left-right-map/src/write.rs:50:5
[INFO] [stdout]     |
[INFO] [stdout]  50 | /     pub fn inner(
[INFO] [stdout]  51 | |         &mut self,
[INFO] [stdout]  52 | |     ) -> MutexGuard<'_, left_right::WriteHandle<Inner<K, V>, Operation<K, V>>> {
[INFO] [stdout]     | |______________________________________________________________________________^ method `SharedWriteHandle::<K, V>::inner` is reachable at visibility `pub`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `Operation<K, V>` is only usable at visibility `pub(crate)`
[INFO] [stdout]    --> left-right-map/src/write.rs:166:1
[INFO] [stdout]     |
[INFO] [stdout] 166 | pub(crate) enum Operation<K, V> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `with_capacity` is never used
[INFO] [stdout]   --> left-right-map/src/inner.rs:29:19
[INFO] [stdout]    |
[INFO] [stdout] 25 | / impl<K, V> Inner<K, V>
[INFO] [stdout] 26 | | where
[INFO] [stdout] 27 | |     K: Eq + Hash,
[INFO] [stdout]    | |_________________- associated function in this implementation
[INFO] [stdout] 28 |   {
[INFO] [stdout] 29 |       pub(crate) fn with_capacity(capacity: usize) -> Self {
[INFO] [stdout]    |                     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Inner<K, V>` is more private than the item `SharedWriteHandle::<K, V>::inner`
[INFO] [stdout]   --> left-right-map/src/write.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | /     pub fn inner(
[INFO] [stdout] 51 | |         &mut self,
[INFO] [stdout] 52 | |     ) -> MutexGuard<'_, left_right::WriteHandle<Inner<K, V>, Operation<K, V>>> {
[INFO] [stdout]    | |______________________________________________________________________________^ method `SharedWriteHandle::<K, V>::inner` is reachable at visibility `pub`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `Inner<K, V>` is only usable at visibility `pub(crate)`
[INFO] [stdout]   --> left-right-map/src/inner.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout]  5 | pub(crate) struct Inner<K, V>
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Operation<K, V>` is more private than the item `SharedWriteHandle::<K, V>::inner`
[INFO] [stdout]    --> left-right-map/src/write.rs:50:5
[INFO] [stdout]     |
[INFO] [stdout]  50 | /     pub fn inner(
[INFO] [stdout]  51 | |         &mut self,
[INFO] [stdout]  52 | |     ) -> MutexGuard<'_, left_right::WriteHandle<Inner<K, V>, Operation<K, V>>> {
[INFO] [stdout]     | |______________________________________________________________________________^ method `SharedWriteHandle::<K, V>::inner` is reachable at visibility `pub`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `Operation<K, V>` is only usable at visibility `pub(crate)`
[INFO] [stdout]    --> left-right-map/src/write.rs:166:1
[INFO] [stdout]     |
[INFO] [stdout] 166 | pub(crate) enum Operation<K, V> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `with_capacity` is never used
[INFO] [stdout]   --> left-right-map/src/inner.rs:29:19
[INFO] [stdout]    |
[INFO] [stdout] 25 | / impl<K, V> Inner<K, V>
[INFO] [stdout] 26 | | where
[INFO] [stdout] 27 | |     K: Eq + Hash,
[INFO] [stdout]    | |_________________- associated function in this implementation
[INFO] [stdout] 28 |   {
[INFO] [stdout] 29 |       pub(crate) fn with_capacity(capacity: usize) -> Self {
[INFO] [stdout]    |                     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> left-right-map/tests/lib.rs:36:54
[INFO] [stdout]    |
[INFO] [stdout] 36 |     assert_match!(r.enter().unwrap().get(&x.0), Some(x));
[INFO] [stdout]    |                                                      ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking serde_spanned v0.6.7
[INFO] [stderr]     Checking toml_datetime v0.6.6
[INFO] [stderr]     Checking tokio-util v0.7.11
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking sync v0.1.0 (/opt/rustwide/workdir/sync)
[INFO] [stderr]     Checking named-tokio-tasks v0.1.0 (/opt/rustwide/workdir/named-tokio-tasks)
[INFO] [stderr]     Checking toml_edit v0.22.16
[INFO] [stdout] warning: struct `Sender` is never constructed
[INFO] [stdout]  --> sync/src/watch_channel.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct Sender<T> {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Receiver` is never constructed
[INFO] [stdout]   --> sync/src/watch_channel.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct Receiver<T> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Shared` is never constructed
[INFO] [stdout]   --> sync/src/watch_channel.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | struct Shared<T> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SharedValue` is never constructed
[INFO] [stdout]   --> sync/src/watch_channel.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 40 | struct SharedValue<T> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `channel` is never used
[INFO] [stdout]   --> sync/src/watch_channel.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub fn channel<T: Clone>(value: T) -> (Sender<T>, Receiver<T>) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `new_sender` is never used
[INFO] [stdout]   --> sync/src/watch_channel.rs:62:12
[INFO] [stdout]    |
[INFO] [stdout] 61 | impl<T: Clone> Receiver<T> {
[INFO] [stdout]    | -------------------------- method in this implementation
[INFO] [stdout] 62 |     pub fn new_sender(&self) -> Sender<T> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `receive`, `get_if_new`, `receive_blocking`, and `wait_timeout` are never used
[INFO] [stdout]   --> sync/src/watch_channel.rs:70:12
[INFO] [stdout]    |
[INFO] [stdout] 69 | impl<T: Clone> Receiver<T> {
[INFO] [stdout]    | -------------------------- methods in this implementation
[INFO] [stdout] 70 |     pub fn receive(&mut self) -> T {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 76 |     pub fn get_if_new(&mut self) -> Option<T> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 85 |     pub fn receive_blocking(&mut self) -> T {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 96 |     pub fn wait_timeout(&mut self, duration: Duration) -> Option<T> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `send`, `subscribe`, and `update` are never used
[INFO] [stdout]    --> sync/src/watch_channel.rs:118:12
[INFO] [stdout]     |
[INFO] [stdout] 117 | impl<T> Sender<T> {
[INFO] [stdout]     | ----------------- methods in this implementation
[INFO] [stdout] 118 |     pub fn send(&self, value: T) {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 127 |     pub fn subscribe(&self) -> Receiver<T> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 139 |     pub fn update<F>(&self, f: F)
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Mutex` is never constructed
[INFO] [stdout]    --> sync/src/watch_channel.rs:210:16
[INFO] [stdout]     |
[INFO] [stdout] 210 |     pub struct Mutex<T> {
[INFO] [stdout]     |                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `lock` are never used
[INFO] [stdout]    --> sync/src/watch_channel.rs:215:16
[INFO] [stdout]     |
[INFO] [stdout] 214 |     impl<T> Mutex<T> {
[INFO] [stdout]     |     ---------------- associated items in this implementation
[INFO] [stdout] 215 |         pub fn new(value: T) -> Self {
[INFO] [stdout]     |                ^^^
[INFO] [stdout] ...
[INFO] [stdout] 221 |         pub fn lock(&self) -> MutexGuard<'_, T> {
[INFO] [stdout]     |                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Condvar` is never constructed
[INFO] [stdout]    --> sync/src/watch_channel.rs:226:16
[INFO] [stdout]     |
[INFO] [stdout] 226 |     pub struct Condvar {
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `wait`, `wait_timeout`, and `notify_all` are never used
[INFO] [stdout]    --> sync/src/watch_channel.rs:230:16
[INFO] [stdout]     |
[INFO] [stdout] 229 |     impl Condvar {
[INFO] [stdout]     |     ------------ associated items in this implementation
[INFO] [stdout] 230 |         pub fn new() -> Self {
[INFO] [stdout]     |                ^^^
[INFO] [stdout] ...
[INFO] [stdout] 236 |         pub fn wait<'a, T>(&self, guard: MutexGuard<'a, T>) -> MutexGuard<'a, T> {
[INFO] [stdout]     |                ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 242 |         pub fn wait_timeout<'a, T>(
[INFO] [stdout]     |                ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 252 |         pub fn notify_all(&self) {
[INFO] [stdout]     |                ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `new_sender` is never used
[INFO] [stdout]   --> sync/src/watch_channel.rs:62:12
[INFO] [stdout]    |
[INFO] [stdout] 61 | impl<T: Clone> Receiver<T> {
[INFO] [stdout]    | -------------------------- method in this implementation
[INFO] [stdout] 62 |     pub fn new_sender(&self) -> Sender<T> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `receive_blocking` and `wait_timeout` are never used
[INFO] [stdout]   --> sync/src/watch_channel.rs:85:12
[INFO] [stdout]    |
[INFO] [stdout] 69 | impl<T: Clone> Receiver<T> {
[INFO] [stdout]    | -------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 85 |     pub fn receive_blocking(&mut self) -> T {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 96 |     pub fn wait_timeout(&mut self, duration: Duration) -> Option<T> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `update` is never used
[INFO] [stdout]    --> sync/src/watch_channel.rs:139:12
[INFO] [stdout]     |
[INFO] [stdout] 117 | impl<T> Sender<T> {
[INFO] [stdout]     | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 139 |     pub fn update<F>(&self, f: F)
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `wait` and `wait_timeout` are never used
[INFO] [stdout]    --> sync/src/watch_channel.rs:236:16
[INFO] [stdout]     |
[INFO] [stdout] 229 |     impl Condvar {
[INFO] [stdout]     |     ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 236 |         pub fn wait<'a, T>(&self, guard: MutexGuard<'a, T>) -> MutexGuard<'a, T> {
[INFO] [stdout]     |                ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 242 |         pub fn wait_timeout<'a, T>(
[INFO] [stdout]     |                ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `build_task` found for struct `JoinSet<T>` in the current scope
[INFO] [stdout]   --> named-tokio-tasks/src/main.rs:14:14
[INFO] [stdout]    |
[INFO] [stdout] 13 |           let _ = tasks
[INFO] [stdout]    |  _________________-
[INFO] [stdout] 14 | |             .build_task()
[INFO] [stdout]    | |             -^^^^^^^^^^ method not found in `JoinSet<Result<usize, anyhow::Error>>`
[INFO] [stdout]    | |_____________|
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `build_task` found for struct `JoinSet<T>` in the current scope
[INFO] [stdout]   --> named-tokio-tasks/src/main.rs:14:14
[INFO] [stdout]    |
[INFO] [stdout] 13 |           let _ = tasks
[INFO] [stdout]    |  _________________-
[INFO] [stdout] 14 | |             .build_task()
[INFO] [stdout]    | |             -^^^^^^^^^^ method not found in `JoinSet<Result<usize, anyhow::Error>>`
[INFO] [stdout]    | |_____________|
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `named-tokio-tasks` (bin "named-tokio-tasks" test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> sync/src/bin/select.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | /     loop {
[INFO] [stdout] 14 | |         select! {
[INFO] [stdout] 15 | |             // this should panic because we are polling completed task again
[INFO] [stdout] 16 | |             finished_task_res = &mut finished_task, if !finished => {
[INFO] [stdout] ...  |
[INFO] [stdout] 24 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 25 |
[INFO] [stdout] 26 |       Ok(())
[INFO] [stdout]    |       ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::task::JoinHandle`
[INFO] [stdout]  --> sync/src/bin/conditional_select.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use tokio::task::JoinHandle;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> sync/src/bin/select.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | /     loop {
[INFO] [stdout] 14 | |         select! {
[INFO] [stdout] 15 | |             // this should panic because we are polling completed task again
[INFO] [stdout] 16 | |             finished_task_res = &mut finished_task, if !finished => {
[INFO] [stdout] ...  |
[INFO] [stdout] 24 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 25 |
[INFO] [stdout] 26 |       Ok(())
[INFO] [stdout]    |       ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `flume`
[INFO] [stdout]  --> sync/src/bin/select_else.rs:3:20
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let (tx, rx) = flume::unbounded();
[INFO] [stdout]   |                    ^^^^^ use of unresolved module or unlinked crate `flume`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `flume`, use `cargo add flume` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `finished_task_res`
[INFO] [stdout]   --> sync/src/bin/select.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |             finished_task_res = &mut finished_task, if !finished => {
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_finished_task_res`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `forever_task_res`
[INFO] [stdout]   --> sync/src/bin/select.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |             forever_task_res = &mut forever_task => {
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_forever_task_res`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]  --> sync/src/bin/select_else.rs:7:31
[INFO] [stdout]   |
[INFO] [stdout] 7 |                 Ok(message) = rx.recv_async() => {
[INFO] [stdout]   |                               ^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> sync/src/bin/conditional_select.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut timer2 = Box::pin(conditional_sleeper(Some(tokio::time::sleep(
[INFO] [stdout]   |         ----^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> sync/src/bin/conditional_select.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut timer3 = Box::pin(OptionFuture::from(Some(tokio::time::sleep(
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `timer2`
[INFO] [stdout]  --> sync/src/bin/conditional_select.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut timer2 = Box::pin(conditional_sleeper(Some(tokio::time::sleep(
[INFO] [stdout]   |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_timer2`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `timer3`
[INFO] [stdout]   --> sync/src/bin/conditional_select.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut timer3 = Box::pin(OptionFuture::from(Some(tokio::time::sleep(
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_timer3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]   --> sync/src/bin/conditional_select.rs:32:13
[INFO] [stdout]    |
[INFO] [stdout] 32 |             res = async { timer4.as_mut().expect("has to be Some").await }, if timer4.is_some() => {
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> sync/src/bin/select_else.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     tx.send("first message")?;
[INFO] [stdout]    |     ^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `named-tokio-tasks` (bin "named-tokio-tasks") due to 1 previous error
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `flume`
[INFO] [stdout]  --> sync/src/bin/select_else.rs:3:20
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let (tx, rx) = flume::unbounded();
[INFO] [stdout]   |                    ^^^^^ use of unresolved module or unlinked crate `flume`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `flume`, use `cargo add flume` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]  --> sync/src/bin/select_else.rs:7:31
[INFO] [stdout]   |
[INFO] [stdout] 7 |                 Ok(message) = rx.recv_async() => {
[INFO] [stdout]   |                               ^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> sync/src/bin/select_else.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     tx.send("first message")?;
[INFO] [stdout]    |     ^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sync` (bin "select_else") due to 3 previous errors
[INFO] [stdout] Some errors have detailed explanations: E0282, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `finished_task_res`
[INFO] [stdout]   --> sync/src/bin/select.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |             finished_task_res = &mut finished_task, if !finished => {
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_finished_task_res`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `forever_task_res`
[INFO] [stdout]   --> sync/src/bin/select.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |             forever_task_res = &mut forever_task => {
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_forever_task_res`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sync` (bin "select_else" test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "4c64615e770d4b35406fae229cb71ccb0e9a3c0333c63ac4897026ac84d4fd2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c64615e770d4b35406fae229cb71ccb0e9a3c0333c63ac4897026ac84d4fd2d", kill_on_drop: false }`
[INFO] [stdout] 4c64615e770d4b35406fae229cb71ccb0e9a3c0333c63ac4897026ac84d4fd2d
