[INFO] fetching crate keybase-keystore 0.2.0...
[INFO] documenting keybase-keystore-0.2.0 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate keybase-keystore 0.2.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate keybase-keystore 0.2.0 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 keybase-keystore 0.2.0
[INFO] finished tweaking crates.io crate keybase-keystore 0.2.0
[INFO] tweaked toml for crates.io crate keybase-keystore 0.2.0 written to /workspace/builds/worker-6/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 983d2205de512da29ed921a85973dc3b850b1f7a1d518d9208737aed0e1aabcb
[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" "983d2205de512da29ed921a85973dc3b850b1f7a1d518d9208737aed0e1aabcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "983d2205de512da29ed921a85973dc3b850b1f7a1d518d9208737aed0e1aabcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "983d2205de512da29ed921a85973dc3b850b1f7a1d518d9208737aed0e1aabcb", kill_on_drop: false }`
[INFO] [stdout] 983d2205de512da29ed921a85973dc3b850b1f7a1d518d9208737aed0e1aabcb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stdout] 6a551590c62c514473b6b60ece82f1174e6e4e2af4ed5b4869cffeeb07fc3db7
[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" "6a551590c62c514473b6b60ece82f1174e6e4e2af4ed5b4869cffeeb07fc3db7", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking secrecy v0.7.0
[INFO] [stderr]     Checking async-task v1.3.1
[INFO] [stderr]     Checking hashbrown v0.1.8
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]     Checking strobe-rs v0.5.4
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking pbkdf2 v0.3.0
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking once_cell v0.1.8
[INFO] [stderr]     Checking bip39 v0.6.0-beta.1
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking fail v0.4.0
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking broadcaster v1.0.0
[INFO] [stderr]     Checking async-std v1.5.0
[INFO] [stderr]  Documenting keybase-keystore v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: doc comment contains an invalid Rust code block
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async-std-1.5.0/src/utils.rs:243:42
[INFO] [stdout]     |
[INFO] [stdout] 243 |         $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stdout]     |                                          ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: mark blocks that do not contain Rust code as text: ```text
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.37s
[INFO] running `Command { std: "docker" "inspect" "6a551590c62c514473b6b60ece82f1174e6e4e2af4ed5b4869cffeeb07fc3db7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a551590c62c514473b6b60ece82f1174e6e4e2af4ed5b4869cffeeb07fc3db7", kill_on_drop: false }`
[INFO] [stdout] 6a551590c62c514473b6b60ece82f1174e6e4e2af4ed5b4869cffeeb07fc3db7