[INFO] fetching crate acteur 0.12.2...
[INFO] checking acteur-0.12.2 against try#47af3d0de9d26c7deba4cfb203b710cc3f764e91 for pr-130443
[INFO] extracting crate acteur 0.12.2 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate acteur 0.12.2 on toolchain 47af3d0de9d26c7deba4cfb203b710cc3f764e91
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate acteur 0.12.2
[INFO] finished tweaking crates.io crate acteur 0.12.2
[INFO] tweaked toml for crates.io crate acteur 0.12.2 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate acteur 0.12.2 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" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 852fa37d57106ae83bbccef78d86ec686fdf5c5a37a6f7dd3916a9f124a14cde
[INFO] running `Command { std: "docker" "start" "-a" "852fa37d57106ae83bbccef78d86ec686fdf5c5a37a6f7dd3916a9f124a14cde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "852fa37d57106ae83bbccef78d86ec686fdf5c5a37a6f7dd3916a9f124a14cde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "852fa37d57106ae83bbccef78d86ec686fdf5c5a37a6f7dd3916a9f124a14cde", kill_on_drop: false }`
[INFO] [stdout] 852fa37d57106ae83bbccef78d86ec686fdf5c5a37a6f7dd3916a9f124a14cde
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e5387642f7f387d0812f27cd303b6f461f9339a99c87ad573d7940d5f46ad8f
[INFO] running `Command { std: "docker" "start" "-a" "5e5387642f7f387d0812f27cd303b6f461f9339a99c87ad573d7940d5f46ad8f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking futures-core v0.3.8
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking futures-io v0.3.8
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]    Compiling syn v1.0.52
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking pin-project-lite v0.1.11
[INFO] [stderr]     Checking fastrand v1.4.0
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]    Compiling getrandom v0.2.0
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]     Checking async-task v4.0.3
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]     Checking vec-arena v1.0.0
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[INFO] [stderr]     Checking polling v2.0.2
[INFO] [stderr]     Checking nb-connect v1.0.2
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling const-random-macro v0.1.12
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking const-random v0.1.12
[INFO] [stderr]     Checking ahash v0.3.8
[INFO] [stderr]     Checking async-io v1.3.0
[INFO] [stderr]     Checking async-executor v1.4.0
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking dashmap v3.11.10
[INFO] [stderr]     Checking async-global-executor v1.4.3
[INFO] [stderr]     Checking async-std v1.7.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]     Checking pin-project v1.0.2
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking futures-executor v0.3.8
[INFO] [stderr]     Checking futures v0.3.8
[INFO] [stderr]     Checking acteur v0.12.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `#[macro_use]` only has an effect on `extern crate` and modules
[INFO] [stdout]  --> src/utils.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[macro_use]` only has an effect on `extern crate` and modules
[INFO] [stdout]  --> src/utils.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `is_empty` and `remove_actor` are never used
[INFO] [stdout]   --> src/actors/manager.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub(crate) trait Manager: Send + Sync + Debug {
[INFO] [stdout]    |                  ------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 22 |     fn is_empty(&self) -> bool;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 23 |     fn remove_actor(&self, actor_id: Box<dyn Any + Send>);
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `remove_actor` and `is_empty` are never used
[INFO] [stdout]    --> src/actors/manager.rs:133:19
[INFO] [stdout]     |
[INFO] [stdout] 43  | impl<A: Actor> ActorsManager<A> {
[INFO] [stdout]     | ------------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 133 |     pub(crate) fn remove_actor(&self, actor_id: A::Id) {
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 143 |     fn is_empty(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_type_id`, `get_statistics`, and `clone` are never used
[INFO] [stdout]   --> src/services/manager.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub(crate) trait Manager: Send + Sync + Debug {
[INFO] [stdout]    |                  ------- methods in this trait
[INFO] [stdout] 20 |     fn end(&self);
[INFO] [stdout] 21 |     fn get_type_id(&self) -> TypeId;
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 22 |     async fn get_sender_as_any(&mut self) -> Box<(dyn Any + Send)>;
[INFO] [stdout] 23 |     fn get_statistics(&self) -> ServiceReport;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 24 |     fn clone(&self) -> Box<dyn Manager>;
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ServiceReport` is never constructed
[INFO] [stdout]   --> src/services/manager.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct ServiceReport {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `is_empty` and `remove_actor` are never used
[INFO] [stdout]   --> src/actors/manager.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub(crate) trait Manager: Send + Sync + Debug {
[INFO] [stdout]    |                  ------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 22 |     fn is_empty(&self) -> bool;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 23 |     fn remove_actor(&self, actor_id: Box<dyn Any + Send>);
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `remove_actor` and `is_empty` are never used
[INFO] [stdout]    --> src/actors/manager.rs:133:19
[INFO] [stdout]     |
[INFO] [stdout] 43  | impl<A: Actor> ActorsManager<A> {
[INFO] [stdout]     | ------------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 133 |     pub(crate) fn remove_actor(&self, actor_id: A::Id) {
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 143 |     fn is_empty(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_type_id`, `get_statistics`, and `clone` are never used
[INFO] [stdout]   --> src/services/manager.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub(crate) trait Manager: Send + Sync + Debug {
[INFO] [stdout]    |                  ------- methods in this trait
[INFO] [stdout] 20 |     fn end(&self);
[INFO] [stdout] 21 |     fn get_type_id(&self) -> TypeId;
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 22 |     async fn get_sender_as_any(&mut self) -> Box<(dyn Any + Send)>;
[INFO] [stdout] 23 |     fn get_statistics(&self) -> ServiceReport;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 24 |     fn clone(&self) -> Box<dyn Manager>;
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ServiceReport` is never constructed
[INFO] [stdout]   --> src/services/manager.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct ServiceReport {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `tax_rate` is never read
[INFO] [stdout]  --> examples/publish_subscribe.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct EmployeeTaxesCalculator {
[INFO] [stdout]   |        ----------------------- field in this struct
[INFO] [stdout] 5 |     tax_rate: f32,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `EmployeeTaxesCalculator` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> examples/publish_subscribe.rs:25:29
[INFO] [stdout]    |
[INFO] [stdout] 25 | struct EmployeeSalaryChange(f32);
[INFO] [stdout]    |        -------------------- ^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `EmployeeSalaryChange` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `values` is never read
[INFO] [stdout]   --> examples/count_with_generic_type.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | struct TestActor<T> {
[INFO] [stdout]    |        --------- field in this struct
[INFO] [stdout] 38 |     id: T,
[INFO] [stdout] 39 |     values: HashMap<u64, String>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TestActor` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.64s
[INFO] running `Command { std: "docker" "inspect" "5e5387642f7f387d0812f27cd303b6f461f9339a99c87ad573d7940d5f46ad8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e5387642f7f387d0812f27cd303b6f461f9339a99c87ad573d7940d5f46ad8f", kill_on_drop: false }`
[INFO] [stdout] 5e5387642f7f387d0812f27cd303b6f461f9339a99c87ad573d7940d5f46ad8f
