[INFO] cloning repository https://github.com/phodal/rust-plugins-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/phodal/rust-plugins-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphodal%2Frust-plugins-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphodal%2Frust-plugins-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0b14e687902ade8626b154db681bf31410554ca8
[INFO] documenting phodal/rust-plugins-example 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%2Fphodal%2Frust-plugins-example" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/phodal/rust-plugins-example 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/phodal/rust-plugins-example
[INFO] finished tweaking git repo https://github.com/phodal/rust-plugins-example
[INFO] tweaked toml for git repo https://github.com/phodal/rust-plugins-example written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/phodal/rust-plugins-example 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: /workspace/builds/worker-4/source/Cargo.toml: unused manifest key: tasks
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dlopen_derive v0.1.4
[INFO] [stderr]   Downloaded dlopen v0.1.8
[INFO] [stderr]   Downloaded libloading v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 99e61e773c4e31a9674f270fa35083726250e846026748fdfdbebcf4a6006cc8
[INFO] running `Command { std: "docker" "start" "-a" "99e61e773c4e31a9674f270fa35083726250e846026748fdfdbebcf4a6006cc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "99e61e773c4e31a9674f270fa35083726250e846026748fdfdbebcf4a6006cc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99e61e773c4e31a9674f270fa35083726250e846026748fdfdbebcf4a6006cc8", kill_on_drop: false }`
[INFO] [stdout] 99e61e773c4e31a9674f270fa35083726250e846026748fdfdbebcf4a6006cc8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stdout] 568f31a37613b91f5eef0f310b4049496e1d1e8a5fa1fa05efd02237f05e6853
[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" "568f31a37613b91f5eef0f310b4049496e1d1e8a5fa1fa05efd02237f05e6853", kill_on_drop: false }`
[INFO] [stderr] warning: /opt/rustwide/workdir/Cargo.toml: unused manifest key: tasks
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling rust-plugins-example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking plugin_interface v0.1.0 (/opt/rustwide/workdir/plugin_interface)
[INFO] [stderr]     Checking libloading v0.7.0
[INFO] [stderr]  Documenting rust-plugins-example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.87s
[INFO] running `Command { std: "docker" "inspect" "568f31a37613b91f5eef0f310b4049496e1d1e8a5fa1fa05efd02237f05e6853", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "568f31a37613b91f5eef0f310b4049496e1d1e8a5fa1fa05efd02237f05e6853", kill_on_drop: false }`
[INFO] [stdout] 568f31a37613b91f5eef0f310b4049496e1d1e8a5fa1fa05efd02237f05e6853
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=1" "-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" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", 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] 51c2d0cbaf58b3fb372e59efab85ffeae315ae507e227e8eb0fede97d6a8732a
[INFO] running `Command { std: "docker" "start" "-a" "51c2d0cbaf58b3fb372e59efab85ffeae315ae507e227e8eb0fede97d6a8732a", kill_on_drop: false }`
[INFO] [stderr] warning: /opt/rustwide/workdir/Cargo.toml: unused manifest key: tasks
[INFO] [stderr] error: no library targets found in package `rust-plugins-example`
[INFO] running `Command { std: "docker" "inspect" "51c2d0cbaf58b3fb372e59efab85ffeae315ae507e227e8eb0fede97d6a8732a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51c2d0cbaf58b3fb372e59efab85ffeae315ae507e227e8eb0fede97d6a8732a", kill_on_drop: false }`
[INFO] [stdout] 51c2d0cbaf58b3fb372e59efab85ffeae315ae507e227e8eb0fede97d6a8732a