[INFO] fetching crate coerce-rt 0.2.2...
[INFO] testing coerce-rt-0.2.2 against 1.52.1 for beta-1.53-1
[INFO] extracting crate coerce-rt 0.2.2 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate coerce-rt 0.2.2 on toolchain 1.52.1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.52.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.52.1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.52.1" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5c0682f544bd51551d68ea2542cf301898fe32d82df7881ab1f6e543eaceb7ec
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5c0682f544bd51551d68ea2542cf301898fe32d82df7881ab1f6e543eaceb7ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c0682f544bd51551d68ea2542cf301898fe32d82df7881ab1f6e543eaceb7ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c0682f544bd51551d68ea2542cf301898fe32d82df7881ab1f6e543eaceb7ec", kill_on_drop: false }`
[INFO] [stdout] 5c0682f544bd51551d68ea2542cf301898fe32d82df7881ab1f6e543eaceb7ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6744fbb1347b3044b2d205deb2db26a32796b29fa160c6dc874f357b2a0ad8e1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6744fbb1347b3044b2d205deb2db26a32796b29fa160c6dc874f357b2a0ad8e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling tokio v0.2.25
[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]   |                                                ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_braces)]` 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]     = note: `#[warn(unused_variables)]` 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] 
[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: 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: field is never read: `state`
[INFO] [stdout]   --> src/worker.rs:12:5
[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: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.20s
[INFO] running `Command { std: "docker" "inspect" "6744fbb1347b3044b2d205deb2db26a32796b29fa160c6dc874f357b2a0ad8e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6744fbb1347b3044b2d205deb2db26a32796b29fa160c6dc874f357b2a0ad8e1", kill_on_drop: false }`
[INFO] [stdout] 6744fbb1347b3044b2d205deb2db26a32796b29fa160c6dc874f357b2a0ad8e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3855d6fdc9616994f426ff1aec18722f2be52d905f1f6e97efda68d652f744c8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3855d6fdc9616994f426ff1aec18722f2be52d905f1f6e97efda68d652f744c8", kill_on_drop: false }`
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling chrono v0.4.19
[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]   |                                                ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_braces)]` 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]     = note: `#[warn(unused_variables)]` 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] 
[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: 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: field is never read: `state`
[INFO] [stdout]   --> src/worker.rs:12:5
[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: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling coerce-rt v0.2.2 (/opt/rustwide/workdir)
[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]    = note: `#[warn(unused_variables)]` on by default
[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] 
[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]   |                                                ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ActorRef`, `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`, `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`, `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`, `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: `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: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]    = 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]     = note: `#[warn(unused_variables)]` 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] 
[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: 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 `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: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 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: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `state`
[INFO] [stdout]   --> src/worker.rs:12:5
[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: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 18.83s
[INFO] running `Command { std: "docker" "inspect" "3855d6fdc9616994f426ff1aec18722f2be52d905f1f6e97efda68d652f744c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3855d6fdc9616994f426ff1aec18722f2be52d905f1f6e97efda68d652f744c8", kill_on_drop: false }`
[INFO] [stdout] 3855d6fdc9616994f426ff1aec18722f2be52d905f1f6e97efda68d652f744c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e31ff7d57b1b859265a3784ed4084c4526b98129e8369475cae66149264cf695
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e31ff7d57b1b859265a3784ed4084c4526b98129e8369475cae66149264cf695", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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]   |                                                ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_braces)]` 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]     = note: `#[warn(unused_variables)]` on by default
[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] 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: 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: field is never read: `state`
[INFO] [stderr]   --> src/worker.rs:12:5
[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: 7 warnings emitted
[INFO] [stderr] 
[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]   |                                                ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_braces)]` 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]     = note: `#[warn(unused_variables)]` on by default
[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] 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: 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: field is never read: `state`
[INFO] [stderr]   --> src/worker.rs:12:5
[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: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ActorRef`, `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: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ActorRef`, `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: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ActorRef`, `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_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: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[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]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[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] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ActorRef`, `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 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: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]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.53s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/coerce_rt-b48f2213943d843a)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_context.rs (/opt/rustwide/target/debug/deps/test_context-e15c8a0b26878065)
[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] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test_context_get_actor_not_found ... ok
[INFO] [stdout] test test_context_global_get_actor ... ok
[INFO] [stdout] test test_context_get_tracked_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 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_lifecycle.rs (/opt/rustwide/target/debug/deps/test_lifecycle-55968ea962a3a8fc)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_actor_lifecycle_started ... ok
[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 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_message.rs (/opt/rustwide/target/debug/deps/test_message-def612af593eacd4)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test test_actor_exec_chain_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_mutation ... ok
[INFO] [stdout] test test_actor_req_res ... ok
[INFO] [stdout] test test_actor_exec_mutation ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_timer.rs (/opt/rustwide/target/debug/deps/test_timer-782ed23e7a0beaba)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running tests/test_worker.rs (/opt/rustwide/target/debug/deps/test_worker-1a1def61deceabf6)
[INFO] [stderr]    Doc-tests coerce-rt
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_workers ... ok
[INFO] [stdout] 
[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]  --> /opt/rustwide/workdir/src/actor/context.rs:5:48
[INFO] [stderr]   |
[INFO] [stderr] 5 |     static ref CURRENT_CONTEXT: ActorContext = { ActorContext::new() };
[INFO] [stderr]   |                                                ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_braces)]` on by default
[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" "e31ff7d57b1b859265a3784ed4084c4526b98129e8369475cae66149264cf695", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e31ff7d57b1b859265a3784ed4084c4526b98129e8369475cae66149264cf695", kill_on_drop: false }`
[INFO] [stdout] e31ff7d57b1b859265a3784ed4084c4526b98129e8369475cae66149264cf695