[INFO] cloning repository https://github.com/WilliamVenner/build_cfg
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/WilliamVenner/build_cfg" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWilliamVenner%2Fbuild_cfg", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWilliamVenner%2Fbuild_cfg'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6230f0fdc317182d4297cd8a2615fbadef2d7983
[INFO] documenting WilliamVenner/build_cfg 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%2FWilliamVenner%2Fbuild_cfg" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/WilliamVenner/build_cfg 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/WilliamVenner/build_cfg
[INFO] finished tweaking git repo https://github.com/WilliamVenner/build_cfg
[INFO] tweaked toml for git repo https://github.com/WilliamVenner/build_cfg written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/WilliamVenner/build_cfg 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 15c2d69f25bab017f31d13b995014c48c2e86cfb5dd6cdadc720188174240400
[INFO] running `Command { std: "docker" "start" "-a" "15c2d69f25bab017f31d13b995014c48c2e86cfb5dd6cdadc720188174240400", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "15c2d69f25bab017f31d13b995014c48c2e86cfb5dd6cdadc720188174240400", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15c2d69f25bab017f31d13b995014c48c2e86cfb5dd6cdadc720188174240400", kill_on_drop: false }`
[INFO] [stdout] 15c2d69f25bab017f31d13b995014c48c2e86cfb5dd6cdadc720188174240400
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] d2721db407713700c657f8ce917cadfd5041c0aac0b65f5534b468b82eb35092
[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" "d2721db407713700c657f8ce917cadfd5041c0aac0b65f5534b468b82eb35092", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.77
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling derive_more v0.99.16
[INFO] [stderr]    Compiling build_cfg_shared v1.1.0 (/opt/rustwide/workdir/build_cfg_shared)
[INFO] [stderr]  Documenting build_cfg_shared v1.1.0 (/opt/rustwide/workdir/build_cfg_shared)
[INFO] [stderr]  Documenting build_cfg_macros v1.1.0 (/opt/rustwide/workdir/build_cfg_macros)
[INFO] [stderr]    Compiling build_cfg_macros v1.1.0 (/opt/rustwide/workdir/build_cfg_macros)
[INFO] [stderr]    Compiling build_cfg v1.1.0 (/opt/rustwide/workdir/build_cfg)
[INFO] [stderr]  Documenting build_cfg v1.1.0 (/opt/rustwide/workdir/build_cfg)
[INFO] [stderr]    Compiling tests v0.1.0 (/opt/rustwide/workdir/tests)
[INFO] [stderr]  Documenting tests v0.1.0 (/opt/rustwide/workdir/tests)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.11s
[INFO] running `Command { std: "docker" "inspect" "d2721db407713700c657f8ce917cadfd5041c0aac0b65f5534b468b82eb35092", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2721db407713700c657f8ce917cadfd5041c0aac0b65f5534b468b82eb35092", kill_on_drop: false }`
[INFO] [stdout] d2721db407713700c657f8ce917cadfd5041c0aac0b65f5534b468b82eb35092
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=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] [stdout] c5d837e86cec2f4a2f5453798e20b0cf737bf38c176b3d9b39e32463139e426e
[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" "c5d837e86cec2f4a2f5453798e20b0cf737bf38c176b3d9b39e32463139e426e", kill_on_drop: false }`
[INFO] [stderr] error: manifest path `/opt/rustwide/workdir/Cargo.toml` is a virtual manifest, but this command requires running against an actual package in this workspace
[INFO] running `Command { std: "docker" "inspect" "c5d837e86cec2f4a2f5453798e20b0cf737bf38c176b3d9b39e32463139e426e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5d837e86cec2f4a2f5453798e20b0cf737bf38c176b3d9b39e32463139e426e", kill_on_drop: false }`
[INFO] [stdout] c5d837e86cec2f4a2f5453798e20b0cf737bf38c176b3d9b39e32463139e426e