[INFO] fetching crate stayalive 0.5.0...
[INFO] testing stayalive-0.5.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate stayalive 0.5.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate stayalive 0.5.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 46a8514270088deefa7a491a945d2cfbd790cf83fd52c30416b675d1ed7734d6
[INFO] running `Command { std: "docker" "start" "-a" "46a8514270088deefa7a491a945d2cfbd790cf83fd52c30416b675d1ed7734d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46a8514270088deefa7a491a945d2cfbd790cf83fd52c30416b675d1ed7734d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46a8514270088deefa7a491a945d2cfbd790cf83fd52c30416b675d1ed7734d6", kill_on_drop: false }`
[INFO] [stdout] 46a8514270088deefa7a491a945d2cfbd790cf83fd52c30416b675d1ed7734d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b5bb6638054b085b00f6446fd0cda2258f0e38287c9911df8e576b19ecec279
[INFO] running `Command { std: "docker" "start" "-a" "6b5bb6638054b085b00f6446fd0cda2258f0e38287c9911df8e576b19ecec279", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling threadpool v1.8.1
[INFO] [stderr]    Compiling object v0.26.2
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling stayalive v0.5.0 (/opt/rustwide/workdir)
[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]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(C, P::Resource) -> Result<T, E> + Send + Sync + 'static`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `E` cannot be shared between threads safely
[INFO] [stdout]    --> src/circuitbreakers/mod.rs:9:24
[INFO] [stdout]     |
[INFO] [stdout] 9   | #[derive(Debug, Clone, Fail)]
[INFO] [stdout]     |                        ^^^^ `E` cannot be shared between threads safely
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/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 `failure::Fail`
[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: this error originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider further restricting this bound
[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:9:24
[INFO] [stdout]     |
[INFO] [stdout] 9   | #[derive(Debug, Clone, Fail)]
[INFO] [stdout]     |                        ^^^^ `E` cannot be sent between threads safely
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/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 `failure::Fail`
[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: this error originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider further restricting this bound
[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:9:24
[INFO] [stdout]     |
[INFO] [stdout] 9   | #[derive(Debug, Clone, Fail)]
[INFO] [stdout]     |                        ^^^^ `E` cannot be formatted using `{:?}` because it doesn't implement `Debug`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/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 `failure::Fail`
[INFO] [stdout]     |
[INFO] [stdout] note: required because of the requirements on the impl of `Debug` for `CircuitBreakerError<E>`
[INFO] [stdout]    --> src/circuitbreakers/mod.rs:9:10
[INFO] [stdout]     |
[INFO] [stdout] 9   | #[derive(Debug, Clone, Fail)]
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     = note: this error originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider further restricting this bound
[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:12:24
[INFO] [stdout]     |
[INFO] [stdout] 12  | #[derive(Debug, Clone, Fail)]
[INFO] [stdout]     |                        ^^^^ `E` cannot be shared between threads safely
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/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 `failure::Fail`
[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: this error originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider further restricting this bound
[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:12:24
[INFO] [stdout]     |
[INFO] [stdout] 12  | #[derive(Debug, Clone, Fail)]
[INFO] [stdout]     |                        ^^^^ `E` cannot be sent between threads safely
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/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 `failure::Fail`
[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: this error originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider further restricting this bound
[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:12:24
[INFO] [stdout]     |
[INFO] [stdout] 12  | #[derive(Debug, Clone, Fail)]
[INFO] [stdout]     |                        ^^^^ `E` cannot be formatted using `{:?}` because it doesn't implement `Debug`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/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 `failure::Fail`
[INFO] [stdout]     |
[INFO] [stdout] note: required because of the requirements on the impl of `Debug` for `BulkheadError<E>`
[INFO] [stdout]    --> src/bulkheads/mod.rs:12:10
[INFO] [stdout]     |
[INFO] [stdout] 12  | #[derive(Debug, Clone, Fail)]
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     = note: this error originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider further restricting this bound
[INFO] [stdout]     |
[INFO] [stdout] 13  | pub enum BulkheadError<E: fmt::Display + std::fmt::Debug> {
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors; 1 warning emitted
[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` due to 7 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "6b5bb6638054b085b00f6446fd0cda2258f0e38287c9911df8e576b19ecec279", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b5bb6638054b085b00f6446fd0cda2258f0e38287c9911df8e576b19ecec279", kill_on_drop: false }`
[INFO] [stdout] 6b5bb6638054b085b00f6446fd0cda2258f0e38287c9911df8e576b19ecec279