[INFO] fetching crate vec-collections 0.2.4...
[INFO] documenting vec-collections-0.2.4 against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] extracting crate vec-collections 0.2.4 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate vec-collections 0.2.4 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 vec-collections 0.2.4
[INFO] finished tweaking crates.io crate vec-collections 0.2.4
[INFO] tweaked toml for crates.io crate vec-collections 0.2.4 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate vec-collections 0.2.4 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 sorted-iter v0.1.6
[INFO] [stderr]   Downloaded testdrop v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] a8f8876cd684516c48bd585f7eb67bb276a36e2d259ede71f8cc4137f437812f
[INFO] running `Command { std: "docker" "start" "-a" "a8f8876cd684516c48bd585f7eb67bb276a36e2d259ede71f8cc4137f437812f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8f8876cd684516c48bd585f7eb67bb276a36e2d259ede71f8cc4137f437812f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8f8876cd684516c48bd585f7eb67bb276a36e2d259ede71f8cc4137f437812f", kill_on_drop: false }`
[INFO] [stdout] a8f8876cd684516c48bd585f7eb67bb276a36e2d259ede71f8cc4137f437812f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 165df9b7302f31868e5d1ba1426f14b63ad34e08a5d097e23911d44f3ee534ce
[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" "165df9b7302f31868e5d1ba1426f14b63ad34e08a5d097e23911d44f3ee534ce", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]     Checking sorted-iter v0.1.6
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]  Documenting vec-collections v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `from_iter`
[INFO] [stdout]    --> src/vec_set.rs:191:34
[INFO] [stdout]     |
[INFO] [stdout] 191 |     /// Prefer using [from_iter](from_iter) when building a large VecSet from elements.
[INFO] [stdout]     |                                  ^^^^^^^^^ the module `vec_set` contains no item named `from_iter`
[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 `retain`
[INFO] [stdout]    --> src/vec_set.rs:202:31
[INFO] [stdout]     |
[INFO] [stdout] 202 |     /// Prefer using [retain](retain) when removing a large number of elements.
[INFO] [stdout]     |                               ^^^^^^ the module `vec_set` contains no item named `retain`
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `shrink_to_fit`
[INFO] [stdout]    --> src/vec_set.rs:361:34
[INFO] [stdout]     |
[INFO] [stdout] 361 | /// idea to call [shrink_to_fit](shrink_to_fit) if you want to keep the set around for a long time.
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^ the module `vec_set` contains no item named `shrink_to_fit`
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.63s
[INFO] running `Command { std: "docker" "inspect" "165df9b7302f31868e5d1ba1426f14b63ad34e08a5d097e23911d44f3ee534ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "165df9b7302f31868e5d1ba1426f14b63ad34e08a5d097e23911d44f3ee534ce", kill_on_drop: false }`
[INFO] [stdout] 165df9b7302f31868e5d1ba1426f14b63ad34e08a5d097e23911d44f3ee534ce
