[INFO] fetching crate hashindexed 0.1.1...
[INFO] documenting hashindexed-0.1.1 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate hashindexed 0.1.1 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate hashindexed 0.1.1 on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hashindexed 0.1.1
[INFO] finished tweaking crates.io crate hashindexed 0.1.1
[INFO] tweaked toml for crates.io crate hashindexed 0.1.1 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2968b53c410ac0cf1af64cc9b043aee9ea2428580497d5ab975e561d35e5e01c
[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" "2968b53c410ac0cf1af64cc9b043aee9ea2428580497d5ab975e561d35e5e01c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2968b53c410ac0cf1af64cc9b043aee9ea2428580497d5ab975e561d35e5e01c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2968b53c410ac0cf1af64cc9b043aee9ea2428580497d5ab975e561d35e5e01c", kill_on_drop: false }`
[INFO] [stdout] 2968b53c410ac0cf1af64cc9b043aee9ea2428580497d5ab975e561d35e5e01c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb70a50cf51d80d8b6c4b5909113c846e6a2c373f5f8ce7b5c8ae2834b926618
[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" "fb70a50cf51d80d8b6c4b5909113c846e6a2c373f5f8ce7b5c8ae2834b926618", kill_on_drop: false }`
[INFO] [stderr]  Documenting hashindexed v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: Rust code block is empty
[INFO] [stdout]    --> src/lib.rs:152:9
[INFO] [stdout]     |
[INFO] [stdout] 152 |     /// ```
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]     |
[INFO] [stdout] 152 |     /// ```text
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: Rust code block is empty
[INFO] [stdout]    --> src/lib.rs:160:9
[INFO] [stdout]     |
[INFO] [stdout] 160 |     /// ```
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]     |
[INFO] [stdout] 160 |     /// ```text
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `Command { std: "docker" "inspect" "fb70a50cf51d80d8b6c4b5909113c846e6a2c373f5f8ce7b5c8ae2834b926618", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb70a50cf51d80d8b6c4b5909113c846e6a2c373f5f8ce7b5c8ae2834b926618", kill_on_drop: false }`
[INFO] [stdout] fb70a50cf51d80d8b6c4b5909113c846e6a2c373f5f8ce7b5c8ae2834b926618