[INFO] fetching crate coerce-rt 0.2.2...
[INFO] testing coerce-rt-0.2.2 against 1.90.0 for beta-1.91-3
[INFO] extracting crate coerce-rt 0.2.2 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate coerce-rt 0.2.2
[INFO] finished tweaking crates.io crate coerce-rt 0.2.2
[INFO] tweaked toml for crates.io crate coerce-rt 0.2.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate coerce-rt 0.2.2 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 85 packages to latest compatible versions
[INFO] [stderr]       Adding env_logger v0.7.1 (available: v0.11.8)
[INFO] [stderr]       Adding tokio v0.2.25 (available: v1.47.1)
[INFO] [stderr]       Adding uuid v0.8.2 (available: v1.18.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 97d3d7e481bf90add0e173ff3bb2097d8e479b7485c1dbb8a87aad38d79b436a
[INFO] running `Command { std: "docker" "start" "-a" "97d3d7e481bf90add0e173ff3bb2097d8e479b7485c1dbb8a87aad38d79b436a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97d3d7e481bf90add0e173ff3bb2097d8e479b7485c1dbb8a87aad38d79b436a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97d3d7e481bf90add0e173ff3bb2097d8e479b7485c1dbb8a87aad38d79b436a", kill_on_drop: false }`
[INFO] [stdout] 97d3d7e481bf90add0e173ff3bb2097d8e479b7485c1dbb8a87aad38d79b436a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b5e935a9c66346a05cb8a16707a53851e06ca8ce31e921a8f79d05c4c3d03ff1
[INFO] running `Command { std: "docker" "start" "-a" "b5e935a9c66346a05cb8a16707a53851e06ca8ce31e921a8f79d05c4c3d03ff1", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.39
[INFO] [stderr]    Compiling signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling tokio v0.2.25
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling coerce-rt v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]  --> src/actor/context.rs:5:48
[INFO] [stdout]   |
[INFO] [stdout] 5 |     static ref CURRENT_CONTEXT: ActorContext = { ActorContext::new() };
[INFO] [stdout]   |                                                ^^                   ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]   |
[INFO] [stdout] 5 -     static ref CURRENT_CONTEXT: ActorContext = { ActorContext::new() };
[INFO] [stdout] 5 +     static ref CURRENT_CONTEXT: ActorContext = ActorContext::new();
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/worker.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |         for i in 0..count {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/actor/scheduler/mod.rs:130:21
[INFO] [stdout]     |
[INFO] [stdout] 130 |         if let Some(a) = self.actors.remove(&msg.0) {
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]    --> src/worker.rs:108:59
[INFO] [stdout]     |
[INFO] [stdout] 108 |     async fn handle(&mut self, message: WorkerMessage<M>, ctx: &mut ActorHandlerContext) {
[INFO] [stdout]     |                                                           ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/worker.rs:124:25
[INFO] [stdout]     |
[INFO] [stdout] 124 |                     Err(e) => error!(target: "Worker", "error sending msg"),
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `state` is never read
[INFO] [stdout]   --> src/worker.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout]  8 | pub struct Worker<W: Actor>
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 12 |     state: W,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.68s
[INFO] running `Command { std: "docker" "inspect" "b5e935a9c66346a05cb8a16707a53851e06ca8ce31e921a8f79d05c4c3d03ff1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5e935a9c66346a05cb8a16707a53851e06ca8ce31e921a8f79d05c4c3d03ff1", kill_on_drop: false }`
[INFO] [stdout] b5e935a9c66346a05cb8a16707a53851e06ca8ce31e921a8f79d05c4c3d03ff1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f40ababa3760f804f4ee0efe8d88dbf2f065bc3e3c563de2b7369cfe86a68e34
[INFO] running `Command { std: "docker" "start" "-a" "f40ababa3760f804f4ee0efe8d88dbf2f065bc3e3c563de2b7369cfe86a68e34", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling iana-time-zone v0.1.64
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]  --> src/actor/context.rs:5:48
[INFO] [stdout]   |
[INFO] [stdout] 5 |     static ref CURRENT_CONTEXT: ActorContext = { ActorContext::new() };
[INFO] [stdout]   |                                                ^^                   ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]   |
[INFO] [stdout] 5 -     static ref CURRENT_CONTEXT: ActorContext = { ActorContext::new() };
[INFO] [stdout] 5 +     static ref CURRENT_CONTEXT: ActorContext = ActorContext::new();
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/worker.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |         for i in 0..count {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/actor/scheduler/mod.rs:130:21
[INFO] [stdout]     |
[INFO] [stdout] 130 |         if let Some(a) = self.actors.remove(&msg.0) {
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]    --> src/worker.rs:108:59
[INFO] [stdout]     |
[INFO] [stdout] 108 |     async fn handle(&mut self, message: WorkerMessage<M>, ctx: &mut ActorHandlerContext) {
[INFO] [stdout]     |                                                           ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/worker.rs:124:25
[INFO] [stdout]     |
[INFO] [stdout] 124 |                     Err(e) => error!(target: "Worker", "error sending msg"),
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `state` is never read
[INFO] [stdout]   --> src/worker.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout]  8 | pub struct Worker<W: Actor>
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 12 |     state: W,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling chrono v0.4.42
[INFO] [stderr]    Compiling regex v1.11.3
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling coerce-rt v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]  --> src/actor/context.rs:5:48
[INFO] [stdout]   |
[INFO] [stdout] 5 |     static ref CURRENT_CONTEXT: ActorContext = { ActorContext::new() };
[INFO] [stdout]   |                                                ^^                   ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]   |
[INFO] [stdout] 5 -     static ref CURRENT_CONTEXT: ActorContext = { ActorContext::new() };
[INFO] [stdout] 5 +     static ref CURRENT_CONTEXT: ActorContext = ActorContext::new();
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> tests/test_worker.rs:22:52
[INFO] [stdout]    |
[INFO] [stdout] 22 |     async fn handle(&mut self, message: HeavyTask, ctx: &mut ActorHandlerContext) -> &'static str {
[INFO] [stdout]    |                                                    ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `message`
[INFO] [stdout]   --> tests/test_worker.rs:22:32
[INFO] [stdout]    |
[INFO] [stdout] 22 |     async fn handle(&mut self, message: HeavyTask, ctx: &mut ActorHandlerContext) -> &'static str {
[INFO] [stdout]    |                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ActorRef` and `new_actor`
[INFO] [stdout]  --> tests/util/mod.rs:4:24
[INFO] [stdout]   |
[INFO] [stdout] 4 | use coerce_rt::actor::{new_actor, Actor, ActorRef};
[INFO] [stdout]   |                        ^^^^^^^^^         ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ActorRef` and `new_actor`
[INFO] [stdout]  --> tests/util/mod.rs:4:24
[INFO] [stdout]   |
[INFO] [stdout] 4 | use coerce_rt::actor::{new_actor, Actor, ActorRef};
[INFO] [stdout]   |                        ^^^^^^^^^         ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ActorRef` and `new_actor`
[INFO] [stdout]  --> tests/util/mod.rs:4:24
[INFO] [stdout]   |
[INFO] [stdout] 4 | use coerce_rt::actor::{new_actor, Actor, ActorRef};
[INFO] [stdout]   |                        ^^^^^^^^^         ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ActorRef` and `new_actor`
[INFO] [stdout]  --> tests/util/mod.rs:4:24
[INFO] [stdout]   |
[INFO] [stdout] 4 | use coerce_rt::actor::{new_actor, Actor, ActorRef};
[INFO] [stdout]   |                        ^^^^^^^^^         ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/worker.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |         for i in 0..count {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/test_context.rs:21:16
[INFO] [stdout]    |
[INFO] [stdout] 21 |         .exec(|mut actor| {
[INFO] [stdout]    |                ----^^^^^
[INFO] [stdout]    |                |
[INFO] [stdout]    |                help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/actor/scheduler/mod.rs:130:21
[INFO] [stdout]     |
[INFO] [stdout] 130 |         if let Some(a) = self.actors.remove(&msg.0) {
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/test_context.rs:40:16
[INFO] [stdout]    |
[INFO] [stdout] 40 |         .exec(|mut actor| {
[INFO] [stdout]    |                ----^^^^^
[INFO] [stdout]    |                |
[INFO] [stdout]    |                help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stop`
[INFO] [stdout]   --> tests/test_context.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 |     let stop = actor_ref.stop().await;
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_stop`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/test_context.rs:69:16
[INFO] [stdout]    |
[INFO] [stdout] 69 |         .exec(|mut actor| {
[INFO] [stdout]    |                ----^^^^^
[INFO] [stdout]    |                |
[INFO] [stdout]    |                help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/test_context.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 76 |     let mut actor = ctx.get_tracked_actor::<TestActor>(actor_ref.id).await;
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> tests/test_lifecycle.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     actor_ref.stop().await;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let _ = actor_ref.stop().await;
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/test_message.rs:88:16
[INFO] [stdout]    |
[INFO] [stdout] 88 |         .exec(|mut actor| {
[INFO] [stdout]    |                ----^^^^^
[INFO] [stdout]    |                |
[INFO] [stdout]    |                help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> tests/test_message.rs:109:16
[INFO] [stdout]     |
[INFO] [stdout] 109 |         .exec(|mut actor| {
[INFO] [stdout]     |                ----^^^^^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> tests/test_message.rs:114:29
[INFO] [stdout]     |
[INFO] [stdout] 114 |     let _ = actor_ref.exec(|mut actor| actor.counter = 2).await;
[INFO] [stdout]     |                             ----^^^^^
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]    --> src/worker.rs:108:59
[INFO] [stdout]     |
[INFO] [stdout] 108 |     async fn handle(&mut self, message: WorkerMessage<M>, ctx: &mut ActorHandlerContext) {
[INFO] [stdout]     |                                                           ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/worker.rs:124:25
[INFO] [stdout]     |
[INFO] [stdout] 124 |                     Err(e) => error!(target: "Worker", "error sending msg"),
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> tests/test_message.rs:129:32
[INFO] [stdout]     |
[INFO] [stdout] 129 |             .notify_exec(move |mut actor| actor.counter = i)
[INFO] [stdout]     |                                ----^^^^^
[INFO] [stdout]     |                                |
[INFO] [stdout]     |                                help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `state` is never read
[INFO] [stdout]   --> src/worker.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout]  8 | pub struct Worker<W: Actor>
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 12 |     state: W,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> tests/test_message.rs:87:5
[INFO] [stdout]    |
[INFO] [stdout] 87 | /     actor_ref
[INFO] [stdout] 88 | |         .exec(|mut actor| {
[INFO] [stdout] 89 | |             actor.status = Some(TestActorStatus::Active);
[INFO] [stdout] 90 | |         })
[INFO] [stdout] 91 | |         .await;
[INFO] [stdout]    | |______________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 87 |     let _ = actor_ref
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 4.75s
[INFO] running `Command { std: "docker" "inspect" "f40ababa3760f804f4ee0efe8d88dbf2f065bc3e3c563de2b7369cfe86a68e34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f40ababa3760f804f4ee0efe8d88dbf2f065bc3e3c563de2b7369cfe86a68e34", kill_on_drop: false }`
[INFO] [stdout] f40ababa3760f804f4ee0efe8d88dbf2f065bc3e3c563de2b7369cfe86a68e34
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] da01bc4548bc47d683f5c4cefe4bf7e18ba144befe125942707a3b5ca231c4e4
[INFO] running `Command { std: "docker" "start" "-a" "da01bc4548bc47d683f5c4cefe4bf7e18ba144befe125942707a3b5ca231c4e4", kill_on_drop: false }`
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]  --> src/actor/context.rs:5:48
[INFO] [stderr]   |
[INFO] [stderr] 5 |     static ref CURRENT_CONTEXT: ActorContext = { ActorContext::new() };
[INFO] [stderr]   |                                                ^^                   ^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] help: remove these braces
[INFO] [stderr]   |
[INFO] [stderr] 5 -     static ref CURRENT_CONTEXT: ActorContext = { ActorContext::new() };
[INFO] [stderr] 5 +     static ref CURRENT_CONTEXT: ActorContext = ActorContext::new();
[INFO] [stderr]   |
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/worker.rs:27:13
[INFO] [stderr]    |
[INFO] [stderr] 27 |         for i in 0..count {
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]    --> src/actor/scheduler/mod.rs:130:21
[INFO] [stderr]     |
[INFO] [stderr] 130 |         if let Some(a) = self.actors.remove(&msg.0) {
[INFO] [stderr]     |                     ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]    --> src/worker.rs:108:59
[INFO] [stderr]     |
[INFO] [stderr] 108 |     async fn handle(&mut self, message: WorkerMessage<M>, ctx: &mut ActorHandlerContext) {
[INFO] [stderr]     |                                                           ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> src/worker.rs:124:25
[INFO] [stderr]     |
[INFO] [stderr] 124 |                     Err(e) => error!(target: "Worker", "error sending msg"),
[INFO] [stderr]     |                         ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: field `state` is never read
[INFO] [stderr]   --> src/worker.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr]  8 | pub struct Worker<W: Actor>
[INFO] [stderr]    |            ------ field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 12 |     state: W,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `coerce-rt` (lib) generated 7 warnings (run `cargo fix --lib -p coerce-rt` to apply 1 suggestion)
[INFO] [stderr] warning: `coerce-rt` (lib test) generated 7 warnings (7 duplicates)
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> tests/test_worker.rs:22:52
[INFO] [stderr]    |
[INFO] [stderr] 22 |     async fn handle(&mut self, message: HeavyTask, ctx: &mut ActorHandlerContext) -> &'static str {
[INFO] [stderr]    |                                                    ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `message`
[INFO] [stderr]   --> tests/test_worker.rs:22:32
[INFO] [stderr]    |
[INFO] [stderr] 22 |     async fn handle(&mut self, message: HeavyTask, ctx: &mut ActorHandlerContext) -> &'static str {
[INFO] [stderr]    |                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message`
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ActorRef` and `new_actor`
[INFO] [stderr]  --> tests/util/mod.rs:4:24
[INFO] [stderr]   |
[INFO] [stderr] 4 | use coerce_rt::actor::{new_actor, Actor, ActorRef};
[INFO] [stderr]   |                        ^^^^^^^^^         ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> tests/test_lifecycle.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     actor_ref.stop().await;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 25 |     let _ = actor_ref.stop().await;
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/test_message.rs:88:16
[INFO] [stderr]    |
[INFO] [stderr] 88 |         .exec(|mut actor| {
[INFO] [stderr]    |                ----^^^^^
[INFO] [stderr]    |                |
[INFO] [stderr]    |                help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/test_message.rs:109:16
[INFO] [stderr]     |
[INFO] [stderr] 109 |         .exec(|mut actor| {
[INFO] [stderr]     |                ----^^^^^
[INFO] [stderr]     |                |
[INFO] [stderr]     |                help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/test_message.rs:114:29
[INFO] [stderr]     |
[INFO] [stderr] 114 |     let _ = actor_ref.exec(|mut actor| actor.counter = 2).await;
[INFO] [stderr]     |                             ----^^^^^
[INFO] [stderr]     |                             |
[INFO] [stderr]     |                             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/test_message.rs:129:32
[INFO] [stderr]     |
[INFO] [stderr] 129 |             .notify_exec(move |mut actor| actor.counter = i)
[INFO] [stderr]     |                                ----^^^^^
[INFO] [stderr]     |                                |
[INFO] [stderr]     |                                help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> tests/test_message.rs:87:5
[INFO] [stderr]    |
[INFO] [stderr] 87 | /     actor_ref
[INFO] [stderr] 88 | |         .exec(|mut actor| {
[INFO] [stderr] 89 | |             actor.status = Some(TestActorStatus::Active);
[INFO] [stderr] 90 | |         })
[INFO] [stderr] 91 | |         .await;
[INFO] [stderr]    | |______________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 87 |     let _ = actor_ref
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/test_context.rs:21:16
[INFO] [stderr]    |
[INFO] [stderr] 21 |         .exec(|mut actor| {
[INFO] [stderr]    |                ----^^^^^
[INFO] [stderr]    |                |
[INFO] [stderr]    |                help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/test_context.rs:40:16
[INFO] [stderr]    |
[INFO] [stderr] 40 |         .exec(|mut actor| {
[INFO] [stderr]    |                ----^^^^^
[INFO] [stderr]    |                |
[INFO] [stderr]    |                help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `stop`
[INFO] [stderr]   --> tests/test_context.rs:74:9
[INFO] [stderr]    |
[INFO] [stderr] 74 |     let stop = actor_ref.stop().await;
[INFO] [stderr]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_stop`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/test_context.rs:69:16
[INFO] [stderr]    |
[INFO] [stderr] 69 |         .exec(|mut actor| {
[INFO] [stderr]    |                ----^^^^^
[INFO] [stderr]    |                |
[INFO] [stderr]    |                help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/test_context.rs:76:9
[INFO] [stderr]    |
[INFO] [stderr] 76 |     let mut actor = ctx.get_tracked_actor::<TestActor>(actor_ref.id).await;
[INFO] [stderr]    |         ----^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: `coerce-rt` (test "test_worker") generated 2 warnings
[INFO] [stderr] warning: `coerce-rt` (test "test_timer") generated 1 warning (run `cargo fix --test "test_timer"` to apply 1 suggestion)
[INFO] [stderr] warning: `coerce-rt` (test "test_lifecycle") generated 2 warnings (1 duplicate)
[INFO] [stderr] warning: `coerce-rt` (test "test_message") generated 6 warnings (1 duplicate) (run `cargo fix --test "test_message"` to apply 4 suggestions)
[INFO] [stderr] warning: `coerce-rt` (test "test_context") generated 6 warnings (1 duplicate) (run `cargo fix --test "test_context"` to apply 4 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/coerce_rt-d0b3f28500d3533f)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_context.rs (/opt/rustwide/target/debug/deps/test_context-c5e272ffddb8abda)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test_context_get_actor_not_found ... ok
[INFO] [stdout] test test_context_get_tracked_actor ... ok
[INFO] [stdout] test test_context_global_get_actor ... ok
[INFO] [stdout] test test_context_stop_tracked_actor_get_not_found ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_lifecycle.rs (/opt/rustwide/target/debug/deps/test_lifecycle-b9e37c398e03123e)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_actor_lifecycle_started ... ok
[INFO] [stderr]      Running tests/test_message.rs (/opt/rustwide/target/debug/deps/test_message-a32763a5271ba4e3)
[INFO] [stdout] test test_actor_lifecycle_stopping ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test test_actor_exec_chain_mutation ... ok
[INFO] [stdout] test test_actor_exec_mutation ... ok
[INFO] [stdout] test test_actor_req_res_multiple_actors ... ok
[INFO] [stdout] test test_actor_notify ... ok
[INFO] [stdout] test test_actor_req_res ... ok
[INFO] [stdout] test test_actor_req_res_mutation ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_timer.rs (/opt/rustwide/target/debug/deps/test_timer-2e6352d5a2f5e7ae)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_timer ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_worker.rs (/opt/rustwide/target/debug/deps/test_worker-1411c338df4f658c)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_workers ... ok
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests coerce_rt
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]  --> src/actor/context.rs:5:48
[INFO] [stderr]   |
[INFO] [stderr] 5 |     static ref CURRENT_CONTEXT: ActorContext = { ActorContext::new() };
[INFO] [stderr]   |                                                ^^                   ^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] help: remove these braces
[INFO] [stderr]   |
[INFO] [stderr] 5 -     static ref CURRENT_CONTEXT: ActorContext = { ActorContext::new() };
[INFO] [stderr] 5 +     static ref CURRENT_CONTEXT: ActorContext = ActorContext::new();
[INFO] [stderr]   |
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[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" "da01bc4548bc47d683f5c4cefe4bf7e18ba144befe125942707a3b5ca231c4e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da01bc4548bc47d683f5c4cefe4bf7e18ba144befe125942707a3b5ca231c4e4", kill_on_drop: false }`
[INFO] [stdout] da01bc4548bc47d683f5c4cefe4bf7e18ba144befe125942707a3b5ca231c4e4
