[INFO] fetching crate stayalive 0.5.0...
[INFO] documenting stayalive-0.5.0 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate stayalive 0.5.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate stayalive 0.5.0 on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", 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-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 54c16d0a0271e47cccd33130f74e86b4875ee4aa447497a87be9f23120d07764
[INFO] running `Command { std: "docker" "start" "-a" "54c16d0a0271e47cccd33130f74e86b4875ee4aa447497a87be9f23120d07764", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54c16d0a0271e47cccd33130f74e86b4875ee4aa447497a87be9f23120d07764", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54c16d0a0271e47cccd33130f74e86b4875ee4aa447497a87be9f23120d07764", kill_on_drop: false }`
[INFO] [stdout] 54c16d0a0271e47cccd33130f74e86b4875ee4aa447497a87be9f23120d07764
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8723af987d47763428650aa1444817475cf2a05fd2b055e836a8b2e5fdc6f029
[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" "8723af987d47763428650aa1444817475cf2a05fd2b055e836a8b2e5fdc6f029", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Documenting stayalive v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: `E` doesn't implement `std::fmt::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 `std::fmt::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]     = help: the trait `std::fmt::Debug` is not implemented for `E`
[INFO] [stdout]     = note: required because of the requirements on the impl of `std::fmt::Debug` for `circuitbreakers::CircuitBreakerError<E>`
[INFO] [stdout]     = note: this error originates in a derive macro (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/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]     = help: within `circuitbreakers::CircuitBreakerError<E>`, the trait `std::marker::Sync` is not implemented for `E`
[INFO] [stdout]     = note: required because it appears within the type `circuitbreakers::CircuitBreakerError<E>`
[INFO] [stdout]     = note: this error originates in a derive macro (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]     = help: within `circuitbreakers::CircuitBreakerError<E>`, the trait `std::marker::Send` is not implemented for `E`
[INFO] [stdout]     = note: required because it appears within the type `circuitbreakers::CircuitBreakerError<E>`
[INFO] [stdout]     = note: this error originates in a derive macro (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 `std::fmt::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 `std::fmt::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]     = help: the trait `std::fmt::Debug` is not implemented for `E`
[INFO] [stdout]     = note: required because of the requirements on the impl of `std::fmt::Debug` for `bulkheads::BulkheadError<E>`
[INFO] [stdout]     = note: this error originates in a derive macro (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[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]     = help: within `bulkheads::BulkheadError<E>`, the trait `std::marker::Sync` is not implemented for `E`
[INFO] [stdout]     = note: required because it appears within the type `bulkheads::BulkheadError<E>`
[INFO] [stdout]     = note: this error originates in a derive macro (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]     = help: within `bulkheads::BulkheadError<E>`, the trait `std::marker::Send` is not implemented for `E`
[INFO] [stdout]     = note: required because it appears within the type `bulkheads::BulkheadError<E>`
[INFO] [stdout]     = note: this error originates in a derive macro (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: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `stayalive`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name stayalive src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern failure=/opt/rustwide/target/debug/deps/libfailure-d9fcd1e065ee1e23.rmeta --extern threadpool=/opt/rustwide/target/debug/deps/libthreadpool-024add56f36580f9.rmeta --cap-lints=warn` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "8723af987d47763428650aa1444817475cf2a05fd2b055e836a8b2e5fdc6f029", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8723af987d47763428650aa1444817475cf2a05fd2b055e836a8b2e5fdc6f029", kill_on_drop: false }`
[INFO] [stdout] 8723af987d47763428650aa1444817475cf2a05fd2b055e836a8b2e5fdc6f029