[INFO] fetching crate ringbahn 0.0.0-experimental.3...
[INFO] documenting ringbahn-0.0.0-experimental.3 against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] extracting crate ringbahn 0.0.0-experimental.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate ringbahn 0.0.0-experimental.3 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 ringbahn 0.0.0-experimental.3
[INFO] finished tweaking crates.io crate ringbahn 0.0.0-experimental.3
[INFO] tweaked toml for crates.io crate ringbahn 0.0.0-experimental.3 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate ringbahn 0.0.0-experimental.3 already has a lockfile, it will not be regenerated
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded nix v0.16.1
[INFO] [stderr]   Downloaded access-queue v1.1.0
[INFO] [stderr]   Downloaded event-listener v1.2.0
[INFO] [stderr]   Downloaded iou v0.0.0-ringbahn.1
[INFO] [stderr]   Downloaded uring-sys v0.6.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] e9efc5781b6c805ab9fa13d84a1dd046879eb3f4537d227aa9a06b6762c32f24
[INFO] running `Command { std: "docker" "start" "-a" "e9efc5781b6c805ab9fa13d84a1dd046879eb3f4537d227aa9a06b6762c32f24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9efc5781b6c805ab9fa13d84a1dd046879eb3f4537d227aa9a06b6762c32f24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9efc5781b6c805ab9fa13d84a1dd046879eb3f4537d227aa9a06b6762c32f24", kill_on_drop: false }`
[INFO] [stdout] e9efc5781b6c805ab9fa13d84a1dd046879eb3f4537d227aa9a06b6762c32f24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stdout] 2d2e468587d2d2205fe8218aeaaa91cda983af4ad3f54e14c7eb9a66c50f1301
[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" "2d2e468587d2d2205fe8218aeaaa91cda983af4ad3f54e14c7eb9a66c50f1301", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling cc v1.0.52
[INFO] [stderr]    Compiling nix v0.16.1
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]     Checking event-listener v1.2.0
[INFO] [stderr]     Checking once_cell v1.3.1
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking access-queue v1.1.0
[INFO] [stderr]    Compiling uring-sys v0.6.1
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking iou v0.0.0-ringbahn.1
[INFO] [stderr]  Documenting ringbahn v0.0.0-experimental.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: public documentation for `complete` links to private item `Completion`
[INFO] [stdout]   --> src/completion.rs:88:77
[INFO] [stdout]    |
[INFO] [stdout] 88 | /// Complete an `[iou::CompletionQueueEvent]` which was constructed from a [`Completion`].
[INFO] [stdout]    |                                                                             ^^^^^^^^^^^^ this item is private
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(private_intra_doc_links)]` on by default
[INFO] [stdout]    = note: this link resolves only because you passed `--document-private-items`, but will break without
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `Drive`
[INFO] [stdout]   --> src/completion.rs:90:80
[INFO] [stdout]    |
[INFO] [stdout] 90 | /// This function should be used in combination with a driver that implements [`Drive`] to process
[INFO] [stdout]    |                                                                                ^^^^^^^ the module `completion` contains no item named `Drive`
[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 `Submission`
[INFO] [stdout]  --> src/event/mod.rs:1:54
[INFO] [stdout]   |
[INFO] [stdout] 1 | //! Events that can be scheduled on io-uring with a [`Submission`]
[INFO] [stdout]   |                                                      ^^^^^^^^^^^^ the module `event` contains no item named `Submission`
[INFO] [stdout]   |
[INFO] [stdout]   = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: public documentation for `complete` links to private item `Completion`
[INFO] [stdout]   --> src/completion.rs:88:77
[INFO] [stdout]    |
[INFO] [stdout] 88 | /// Complete an `[iou::CompletionQueueEvent]` which was constructed from a [`Completion`].
[INFO] [stdout]    |                                                                             ^^^^^^^^^^^^ this item is private
[INFO] [stdout]    |
[INFO] [stdout]    = note: this link resolves only because you passed `--document-private-items`, but will break without
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `Drive`
[INFO] [stdout]   --> src/completion.rs:90:80
[INFO] [stdout]    |
[INFO] [stdout] 90 | /// This function should be used in combination with a driver that implements [`Drive`] to process
[INFO] [stdout]    |                                                                                ^^^^^^^ the module `completion` contains no item named `Drive`
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.32s
[INFO] running `Command { std: "docker" "inspect" "2d2e468587d2d2205fe8218aeaaa91cda983af4ad3f54e14c7eb9a66c50f1301", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d2e468587d2d2205fe8218aeaaa91cda983af4ad3f54e14c7eb9a66c50f1301", kill_on_drop: false }`
[INFO] [stdout] 2d2e468587d2d2205fe8218aeaaa91cda983af4ad3f54e14c7eb9a66c50f1301
