[INFO] cloning repository https://github.com/ryan-scott-dev/beehave
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ryan-scott-dev/beehave" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryan-scott-dev%2Fbeehave", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryan-scott-dev%2Fbeehave'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3e3375d53b5e0b08a6f2375a16a74333563ce768
[INFO] documenting ryan-scott-dev/beehave against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryan-scott-dev%2Fbeehave" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ryan-scott-dev/beehave on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ryan-scott-dev/beehave
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/ryan-scott-dev/beehave
[INFO] tweaked toml for git repo https://github.com/ryan-scott-dev/beehave written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/ryan-scott-dev/beehave already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: An explicit [[test]] section is specified in Cargo.toml which currently
[INFO] [stderr] disables Cargo from automatically inferring other test targets.
[INFO] [stderr] This inference behavior will change in the Rust 2018 edition and the following
[INFO] [stderr] files will be included as a test target:
[INFO] [stderr] 
[INFO] [stderr] * /workspace/builds/worker-3/source/tests/conditional_tests.rs
[INFO] [stderr] * /workspace/builds/worker-3/source/tests/action_tests.rs
[INFO] [stderr] * /workspace/builds/worker-3/source/tests/sequence_tests.rs
[INFO] [stderr] * /workspace/builds/worker-3/source/tests/conditional_decorator_tests.rs
[INFO] [stderr] * /workspace/builds/worker-3/source/tests/node_tests.rs
[INFO] [stderr] * /workspace/builds/worker-3/source/tests/helpers.rs
[INFO] [stderr] * /workspace/builds/worker-3/source/tests/selector_tests.rs
[INFO] [stderr] 
[INFO] [stderr] This is likely to break cargo build or cargo test as these files may not be
[INFO] [stderr] ready to be compiled as a test target today. You can future-proof yourself
[INFO] [stderr] and disable this warning by adding `autotests = false` to your [package]
[INFO] [stderr] section. You may also move the files to a location where Cargo would not
[INFO] [stderr] automatically infer them to be a target, such as in subfolders.
[INFO] [stderr] 
[INFO] [stderr] For more information on this warning you can consult
[INFO] [stderr] https://github.com/rust-lang/cargo/issues/5330
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v0.2.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1f97039abbb9f4105b9544850601a5a83259953fbfd7001f41e539bea0437ffb
[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" "1f97039abbb9f4105b9544850601a5a83259953fbfd7001f41e539bea0437ffb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f97039abbb9f4105b9544850601a5a83259953fbfd7001f41e539bea0437ffb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f97039abbb9f4105b9544850601a5a83259953fbfd7001f41e539bea0437ffb", kill_on_drop: false }`
[INFO] [stdout] 1f97039abbb9f4105b9544850601a5a83259953fbfd7001f41e539bea0437ffb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", 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] b43f13688fb11790f10ce691779d389cc4ab330808ab148b0b745bf6b70cd940
[INFO] running `Command { std: "docker" "start" "-a" "b43f13688fb11790f10ce691779d389cc4ab330808ab148b0b745bf6b70cd940", kill_on_drop: false }`
[INFO] [stderr] warning: An explicit [[test]] section is specified in Cargo.toml which currently
[INFO] [stderr] disables Cargo from automatically inferring other test targets.
[INFO] [stderr] This inference behavior will change in the Rust 2018 edition and the following
[INFO] [stderr] files will be included as a test target:
[INFO] [stderr] 
[INFO] [stderr] * /opt/rustwide/workdir/tests/conditional_tests.rs
[INFO] [stderr] * /opt/rustwide/workdir/tests/action_tests.rs
[INFO] [stderr] * /opt/rustwide/workdir/tests/sequence_tests.rs
[INFO] [stderr] * /opt/rustwide/workdir/tests/conditional_decorator_tests.rs
[INFO] [stderr] * /opt/rustwide/workdir/tests/node_tests.rs
[INFO] [stderr] * /opt/rustwide/workdir/tests/helpers.rs
[INFO] [stderr] * /opt/rustwide/workdir/tests/selector_tests.rs
[INFO] [stderr] 
[INFO] [stderr] This is likely to break cargo build or cargo test as these files may not be
[INFO] [stderr] ready to be compiled as a test target today. You can future-proof yourself
[INFO] [stderr] and disable this warning by adding `autotests = false` to your [package]
[INFO] [stderr] section. You may also move the files to a location where Cargo would not
[INFO] [stderr] automatically infer them to be a target, such as in subfolders.
[INFO] [stderr] 
[INFO] [stderr] For more information on this warning you can consult
[INFO] [stderr] https://github.com/rust-lang/cargo/issues/5330
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Documenting beehave v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:34:1
[INFO] [stdout]    |
[INFO] [stdout] 34 | #![feature(fn_traits, unboxed_closures)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `beehave`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name beehave src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=257a15d2fa1822e2 -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.0.4` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "b43f13688fb11790f10ce691779d389cc4ab330808ab148b0b745bf6b70cd940", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b43f13688fb11790f10ce691779d389cc4ab330808ab148b0b745bf6b70cd940", kill_on_drop: false }`
[INFO] [stdout] b43f13688fb11790f10ce691779d389cc4ab330808ab148b0b745bf6b70cd940