[INFO] fetching crate stayalive 0.5.0...
[INFO] testing stayalive-0.5.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate stayalive 0.5.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate stayalive 0.5.0
[INFO] finished tweaking crates.io crate stayalive 0.5.0
[INFO] tweaked toml for crates.io crate stayalive 0.5.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate stayalive 0.5.0 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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" "+beta-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 22 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b89b063e31b661bc8f39a64698fd1c676d7bae696f74a5d98b75c65764e2fbf
[INFO] running `Command { std: "docker" "start" "-a" "5b89b063e31b661bc8f39a64698fd1c676d7bae696f74a5d98b75c65764e2fbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b89b063e31b661bc8f39a64698fd1c676d7bae696f74a5d98b75c65764e2fbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b89b063e31b661bc8f39a64698fd1c676d7bae696f74a5d98b75c65764e2fbf", kill_on_drop: false }`
[INFO] [stdout] 5b89b063e31b661bc8f39a64698fd1c676d7bae696f74a5d98b75c65764e2fbf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 26e2ade7b6c1599f63d31c373018f6bc3e5f62911150616706599fe9c57678d8
[INFO] running `Command { std: "docker" "start" "-a" "26e2ade7b6c1599f63d31c373018f6bc3e5f62911150616706599fe9c57678d8", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling threadpool v1.8.1
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling backtrace v0.3.76
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling stayalive v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bulkheads/concurrency_limiters.rs:241:19
[INFO] [stdout]     |
[INFO] [stdout] 241 |     exec_cmd: Arc<Fn(C, P::Resource) -> Result<T, E> + Send + Sync + 'static>,
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 241 |     exec_cmd: Arc<dyn Fn(C, P::Resource) -> Result<T, E> + Send + Sync + 'static>,
[INFO] [stdout]     |                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `E` cannot be shared between threads safely
[INFO] [stdout]    --> src/circuitbreakers/mod.rs:10:10
[INFO] [stdout]     |
[INFO] [stdout]  10 | pub enum CircuitBreakerError<E: fmt::Display> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `E` cannot be shared between threads safely
[INFO] [stdout]     |
[INFO] [stdout] note: required because it appears within the type `CircuitBreakerError<E>`
[INFO] [stdout]    --> src/circuitbreakers/mod.rs:10:10
[INFO] [stdout]     |
[INFO] [stdout]  10 | pub enum CircuitBreakerError<E: fmt::Display> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: required by a bound in `failure::Fail`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/failure-0.1.8/src/lib.rs:108:42
[INFO] [stdout]     |
[INFO] [stdout] 108 | pub trait Fail: Display + Debug + Send + Sync + 'static {
[INFO] [stdout]     |                                          ^^^^ required by this bound in `Fail`
[INFO] [stdout] help: consider further restricting type parameter `E` with trait `Sync`
[INFO] [stdout]     |
[INFO] [stdout]  10 | pub enum CircuitBreakerError<E: fmt::Display + std::marker::Sync> {
[INFO] [stdout]     |                                              +++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `E` cannot be sent between threads safely
[INFO] [stdout]    --> src/circuitbreakers/mod.rs:10:10
[INFO] [stdout]     |
[INFO] [stdout]  10 | pub enum CircuitBreakerError<E: fmt::Display> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `E` cannot be sent between threads safely
[INFO] [stdout]     |
[INFO] [stdout] note: required because it appears within the type `CircuitBreakerError<E>`
[INFO] [stdout]    --> src/circuitbreakers/mod.rs:10:10
[INFO] [stdout]     |
[INFO] [stdout]  10 | pub enum CircuitBreakerError<E: fmt::Display> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: required by a bound in `failure::Fail`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/failure-0.1.8/src/lib.rs:108:35
[INFO] [stdout]     |
[INFO] [stdout] 108 | pub trait Fail: Display + Debug + Send + Sync + 'static {
[INFO] [stdout]     |                                   ^^^^ required by this bound in `Fail`
[INFO] [stdout] help: consider further restricting type parameter `E` with trait `Send`
[INFO] [stdout]     |
[INFO] [stdout]  10 | pub enum CircuitBreakerError<E: fmt::Display + std::marker::Send> {
[INFO] [stdout]     |                                              +++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `E` doesn't implement `Debug`
[INFO] [stdout]    --> src/circuitbreakers/mod.rs:10:10
[INFO] [stdout]     |
[INFO] [stdout]  10 | pub enum CircuitBreakerError<E: fmt::Display> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Debug` is not implemented for `E`
[INFO] [stdout]     |
[INFO] [stdout] note: required for `CircuitBreakerError<E>` to implement `Debug`
[INFO] [stdout]    --> src/circuitbreakers/mod.rs:9:10
[INFO] [stdout]     |
[INFO] [stdout]   9 | #[derive(Debug, Clone, Fail)]
[INFO] [stdout]     |          ^^^^^ unsatisfied trait bound introduced in this `derive` macro
[INFO] [stdout] note: required by a bound in `failure::Fail`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/failure-0.1.8/src/lib.rs:108:27
[INFO] [stdout]     |
[INFO] [stdout] 108 | pub trait Fail: Display + Debug + Send + Sync + 'static {
[INFO] [stdout]     |                           ^^^^^ required by this bound in `Fail`
[INFO] [stdout] help: consider further restricting type parameter `E` with trait `Debug`
[INFO] [stdout]     |
[INFO] [stdout]  10 | pub enum CircuitBreakerError<E: fmt::Display + std::fmt::Debug> {
[INFO] [stdout]     |                                              +++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `E` cannot be shared between threads safely
[INFO] [stdout]    --> src/bulkheads/mod.rs:13:10
[INFO] [stdout]     |
[INFO] [stdout]  13 | pub enum BulkheadError<E: fmt::Display> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `E` cannot be shared between threads safely
[INFO] [stdout]     |
[INFO] [stdout] note: required because it appears within the type `BulkheadError<E>`
[INFO] [stdout]    --> src/bulkheads/mod.rs:13:10
[INFO] [stdout]     |
[INFO] [stdout]  13 | pub enum BulkheadError<E: fmt::Display> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^
[INFO] [stdout] note: required by a bound in `failure::Fail`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/failure-0.1.8/src/lib.rs:108:42
[INFO] [stdout]     |
[INFO] [stdout] 108 | pub trait Fail: Display + Debug + Send + Sync + 'static {
[INFO] [stdout]     |                                          ^^^^ required by this bound in `Fail`
[INFO] [stdout] help: consider further restricting type parameter `E` with trait `Sync`
[INFO] [stdout]     |
[INFO] [stdout]  13 | pub enum BulkheadError<E: fmt::Display + std::marker::Sync> {
[INFO] [stdout]     |                                        +++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `E` cannot be sent between threads safely
[INFO] [stdout]    --> src/bulkheads/mod.rs:13:10
[INFO] [stdout]     |
[INFO] [stdout]  13 | pub enum BulkheadError<E: fmt::Display> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `E` cannot be sent between threads safely
[INFO] [stdout]     |
[INFO] [stdout] note: required because it appears within the type `BulkheadError<E>`
[INFO] [stdout]    --> src/bulkheads/mod.rs:13:10
[INFO] [stdout]     |
[INFO] [stdout]  13 | pub enum BulkheadError<E: fmt::Display> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^
[INFO] [stdout] note: required by a bound in `failure::Fail`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/failure-0.1.8/src/lib.rs:108:35
[INFO] [stdout]     |
[INFO] [stdout] 108 | pub trait Fail: Display + Debug + Send + Sync + 'static {
[INFO] [stdout]     |                                   ^^^^ required by this bound in `Fail`
[INFO] [stdout] help: consider further restricting type parameter `E` with trait `Send`
[INFO] [stdout]     |
[INFO] [stdout]  13 | pub enum BulkheadError<E: fmt::Display + std::marker::Send> {
[INFO] [stdout]     |                                        +++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `E` doesn't implement `Debug`
[INFO] [stdout]    --> src/bulkheads/mod.rs:13:10
[INFO] [stdout]     |
[INFO] [stdout]  13 | pub enum BulkheadError<E: fmt::Display> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Debug` is not implemented for `E`
[INFO] [stdout]     |
[INFO] [stdout] note: required for `BulkheadError<E>` to implement `Debug`
[INFO] [stdout]    --> src/bulkheads/mod.rs:12:10
[INFO] [stdout]     |
[INFO] [stdout]  12 | #[derive(Debug, Clone, Fail)]
[INFO] [stdout]     |          ^^^^^ unsatisfied trait bound introduced in this `derive` macro
[INFO] [stdout] note: required by a bound in `failure::Fail`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/failure-0.1.8/src/lib.rs:108:27
[INFO] [stdout]     |
[INFO] [stdout] 108 | pub trait Fail: Display + Debug + Send + Sync + 'static {
[INFO] [stdout]     |                           ^^^^^ required by this bound in `Fail`
[INFO] [stdout] help: consider further restricting type parameter `E` with trait `Debug`
[INFO] [stdout]     |
[INFO] [stdout]  13 | pub enum BulkheadError<E: fmt::Display + std::fmt::Debug> {
[INFO] [stdout]     |                                        +++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `stayalive` (lib) due to 6 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "26e2ade7b6c1599f63d31c373018f6bc3e5f62911150616706599fe9c57678d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26e2ade7b6c1599f63d31c373018f6bc3e5f62911150616706599fe9c57678d8", kill_on_drop: false }`
[INFO] [stdout] 26e2ade7b6c1599f63d31c373018f6bc3e5f62911150616706599fe9c57678d8
