[INFO] fetching crate crates_io_api 0.6.1...
[INFO] documenting crates_io_api-0.6.1 against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] extracting crate crates_io_api 0.6.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate crates_io_api 0.6.1 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate crates_io_api 0.6.1
[INFO] finished tweaking crates.io crate crates_io_api 0.6.1
[INFO] tweaked toml for crates.io crate crates_io_api 0.6.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "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" "+beta-2020-10-09" "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] e663c6bee39bbedfe2ff3c2c31b0867865e57ea7800c0ce066630d9b80092f7a
[INFO] running `Command { std: "docker" "start" "-a" "e663c6bee39bbedfe2ff3c2c31b0867865e57ea7800c0ce066630d9b80092f7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e663c6bee39bbedfe2ff3c2c31b0867865e57ea7800c0ce066630d9b80092f7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e663c6bee39bbedfe2ff3c2c31b0867865e57ea7800c0ce066630d9b80092f7a", kill_on_drop: false }`
[INFO] [stdout] e663c6bee39bbedfe2ff3c2c31b0867865e57ea7800c0ce066630d9b80092f7a
[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" "+beta-2020-10-09" "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] 2af9091ed2b42149bac506e31d134f9c800d105b68a0c37c052705b90ff2b729
[INFO] running `Command { std: "docker" "start" "-a" "2af9091ed2b42149bac506e31d134f9c800d105b68a0c37c052705b90ff2b729", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking futures-util v0.3.6
[INFO] [stderr]     Checking serde_json v1.0.59
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]     Checking futures-executor v0.3.6
[INFO] [stderr]     Checking h2 v0.2.6
[INFO] [stderr]     Checking futures v0.3.6
[INFO] [stderr]     Checking hyper v0.13.8
[INFO] [stderr]     Checking hyper-tls v0.4.3
[INFO] [stderr]     Checking reqwest v0.10.8
[INFO] [stderr]  Documenting crates_io_api v0.6.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `all_crates`
[INFO] [stdout]    --> src/async_client.rs:302:14
[INFO] [stdout]     |
[INFO] [stdout] 302 |     /// use [`all_crates`].
[INFO] [stdout]     |              ^^^^^^^^^^^^ the module `async_client` contains no item named `all_crates`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(broken_intra_doc_links)]` on by default
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `all_crates`
[INFO] [stdout]    --> src/sync_client.rs:250:14
[INFO] [stdout]     |
[INFO] [stdout] 250 |     /// use [`all_crates`].
[INFO] [stdout]     |              ^^^^^^^^^^^^ the module `sync_client` contains no item named `all_crates`
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.42s
[INFO] running `Command { std: "docker" "inspect" "2af9091ed2b42149bac506e31d134f9c800d105b68a0c37c052705b90ff2b729", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2af9091ed2b42149bac506e31d134f9c800d105b68a0c37c052705b90ff2b729", kill_on_drop: false }`
[INFO] [stdout] 2af9091ed2b42149bac506e31d134f9c800d105b68a0c37c052705b90ff2b729
