[INFO] fetching crate feather 0.1.2...
[INFO] documenting feather-0.1.2 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate feather 0.1.2 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate feather 0.1.2 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 crates.io crate feather 0.1.2
[INFO] finished tweaking crates.io crate feather 0.1.2
[INFO] tweaked toml for crates.io crate feather 0.1.2 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 48cb847cbfff8d2c03ad1d6f199fce58bbef13782be4263a5814d3136c099dd4
[INFO] running `Command { std: "docker" "start" "-a" "48cb847cbfff8d2c03ad1d6f199fce58bbef13782be4263a5814d3136c099dd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48cb847cbfff8d2c03ad1d6f199fce58bbef13782be4263a5814d3136c099dd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48cb847cbfff8d2c03ad1d6f199fce58bbef13782be4263a5814d3136c099dd4", kill_on_drop: false }`
[INFO] [stdout] 48cb847cbfff8d2c03ad1d6f199fce58bbef13782be4263a5814d3136c099dd4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] e63f1da106e80cd19571632d8d25eee4049781f3ee5c7804f43e01fac22140da
[INFO] running `Command { std: "docker" "start" "-a" "e63f1da106e80cd19571632d8d25eee4049781f3ee5c7804f43e01fac22140da", kill_on_drop: false }`
[INFO] [stderr]  Documenting feather v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.22s
[INFO] running `Command { std: "docker" "inspect" "e63f1da106e80cd19571632d8d25eee4049781f3ee5c7804f43e01fac22140da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e63f1da106e80cd19571632d8d25eee4049781f3ee5c7804f43e01fac22140da", kill_on_drop: false }`
[INFO] [stdout] e63f1da106e80cd19571632d8d25eee4049781f3ee5c7804f43e01fac22140da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d38ac71f515c88aa5b4cfa8364ec6720f6a878e18f60af20c3ec96970b00a91b
[INFO] running `Command { std: "docker" "start" "-a" "d38ac71f515c88aa5b4cfa8364ec6720f6a878e18f60af20c3ec96970b00a91b", kill_on_drop: false }`
[INFO] [stderr]  Documenting feather v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.69s
[INFO] running `Command { std: "docker" "inspect" "d38ac71f515c88aa5b4cfa8364ec6720f6a878e18f60af20c3ec96970b00a91b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d38ac71f515c88aa5b4cfa8364ec6720f6a878e18f60af20c3ec96970b00a91b", kill_on_drop: false }`
[INFO] [stdout] d38ac71f515c88aa5b4cfa8364ec6720f6a878e18f60af20c3ec96970b00a91b