[INFO] fetching crate stayalive 0.5.0...
[INFO] documenting stayalive-0.5.0 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate stayalive 0.5.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate stayalive 0.5.0 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "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-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9369413ea168c1d54fdaedc613b75b5d109c1eaf419ccf6bd1fc304a099d855f
[INFO] running `Command { std: "docker" "start" "-a" "9369413ea168c1d54fdaedc613b75b5d109c1eaf419ccf6bd1fc304a099d855f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9369413ea168c1d54fdaedc613b75b5d109c1eaf419ccf6bd1fc304a099d855f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9369413ea168c1d54fdaedc613b75b5d109c1eaf419ccf6bd1fc304a099d855f", kill_on_drop: false }`
[INFO] [stdout] 9369413ea168c1d54fdaedc613b75b5d109c1eaf419ccf6bd1fc304a099d855f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8612135c6ab3f4d3ed68be71a403f232cb7deead6e8581def554fad15a8c4b8d
[INFO] running `Command { std: "docker" "start" "-a" "8612135c6ab3f4d3ed68be71a403f232cb7deead6e8581def554fad15a8c4b8d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]  Documenting stayalive v0.5.0 (/opt/rustwide/workdir)
[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-6f17d22bba15001f/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 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: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-6f17d22bba15001f/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 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 `std::fmt::Debug`
[INFO] [stdout]    --> src/circuitbreakers/mod.rs:10:10
[INFO] [stdout]     |
[INFO] [stdout] 10  | pub enum CircuitBreakerError<E: fmt::Display> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `E` cannot be formatted using `{:?}` because it doesn't implement `std::fmt::Debug`
[INFO] [stdout]     |
[INFO] [stdout] note: required for `circuitbreakers::CircuitBreakerError<E>` to implement `std::fmt::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-6f17d22bba15001f/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]     = note: this error originates in the derive macro `Debug` (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: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-6f17d22bba15001f/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 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: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-6f17d22bba15001f/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 this bound
[INFO] [stdout]     |
[INFO] [stdout] 13  | pub enum BulkheadError<E: fmt::Display + std::marker::Send> {
[INFO] [stdout]     |                                        +++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `stayalive`
[INFO] [stdout] error[E0277]: `E` doesn't implement `std::fmt::Debug`
[INFO] [stdout]    --> src/bulkheads/mod.rs:13:10
[INFO] [stdout]     |
[INFO] [stdout] 13  | pub enum BulkheadError<E: fmt::Display> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `E` cannot be formatted using `{:?}` because it doesn't implement `std::fmt::Debug`
[INFO] [stdout]     |
[INFO] [stdout] note: required for `bulkheads::BulkheadError<E>` to implement `std::fmt::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-6f17d22bba15001f/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]     = note: this error originates in the derive macro `Debug` (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] [stderr] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] Caused by:
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/bin/rustdoc --crate-type lib --crate-name stayalive src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=799cd98acc8101d9 -L dependency=/opt/rustwide/target/debug/deps --extern failure=/opt/rustwide/target/debug/deps/libfailure-52c3e4100f69ae15.rmeta --extern threadpool=/opt/rustwide/target/debug/deps/libthreadpool-62cab5e306005ba7.rmeta --cap-lints=warn --crate-version 0.5.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "8612135c6ab3f4d3ed68be71a403f232cb7deead6e8581def554fad15a8c4b8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8612135c6ab3f4d3ed68be71a403f232cb7deead6e8581def554fad15a8c4b8d", kill_on_drop: false }`
[INFO] [stdout] 8612135c6ab3f4d3ed68be71a403f232cb7deead6e8581def554fad15a8c4b8d
