[INFO] fetching crate stegos_keychain 0.0.0-stub...
[INFO] documenting stegos_keychain-0.0.0-stub against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate stegos_keychain 0.0.0-stub into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate stegos_keychain 0.0.0-stub 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 stegos_keychain 0.0.0-stub
[INFO] finished tweaking crates.io crate stegos_keychain 0.0.0-stub
[INFO] tweaked toml for crates.io crate stegos_keychain 0.0.0-stub written to /workspace/builds/worker-7/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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stdout] 6c7d8644b70e5bd677718cd9612ff0c15496d877c2ceef92ecde01e960e28843
[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" "6c7d8644b70e5bd677718cd9612ff0c15496d877c2ceef92ecde01e960e28843", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c7d8644b70e5bd677718cd9612ff0c15496d877c2ceef92ecde01e960e28843", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c7d8644b70e5bd677718cd9612ff0c15496d877c2ceef92ecde01e960e28843", kill_on_drop: false }`
[INFO] [stdout] 6c7d8644b70e5bd677718cd9612ff0c15496d877c2ceef92ecde01e960e28843
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f2b62e8db2bd1544dada5fba6b06456cae7c636995a7659919b6fc53c92d4d55
[INFO] running `Command { std: "docker" "start" "-a" "f2b62e8db2bd1544dada5fba6b06456cae7c636995a7659919b6fc53c92d4d55", kill_on_drop: false }`
[INFO] [stderr]  Documenting stegos_keychain v0.0.0-stub (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.34s
[INFO] running `Command { std: "docker" "inspect" "f2b62e8db2bd1544dada5fba6b06456cae7c636995a7659919b6fc53c92d4d55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2b62e8db2bd1544dada5fba6b06456cae7c636995a7659919b6fc53c92d4d55", kill_on_drop: false }`
[INFO] [stdout] f2b62e8db2bd1544dada5fba6b06456cae7c636995a7659919b6fc53c92d4d55