[INFO] fetching crate rsfs 0.4.1...
[INFO] documenting rsfs-0.4.1 against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] extracting crate rsfs 0.4.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate rsfs 0.4.1 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 rsfs 0.4.1
[INFO] finished tweaking crates.io crate rsfs 0.4.1
[INFO] tweaked toml for crates.io crate rsfs 0.4.1 written to /workspace/builds/worker-4/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] 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] [stdout] 66153472350de71acd2339217ffaa3b60821caaa10eb78cded82b865e562597c
[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" "66153472350de71acd2339217ffaa3b60821caaa10eb78cded82b865e562597c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66153472350de71acd2339217ffaa3b60821caaa10eb78cded82b865e562597c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66153472350de71acd2339217ffaa3b60821caaa10eb78cded82b865e562597c", kill_on_drop: false }`
[INFO] [stdout] 66153472350de71acd2339217ffaa3b60821caaa10eb78cded82b865e562597c
[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] f15286d49659f2592d1c9553fc3301e8747aa591cbb9fd3e99f1749c388cb508
[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" "f15286d49659f2592d1c9553fc3301e8747aa591cbb9fd3e99f1749c388cb508", kill_on_drop: false }`
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]     Checking parking_lot v0.4.8
[INFO] [stderr]  Documenting rsfs v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `std::fs::OpenOption`
[INFO] [stdout]    --> src/fs.rs:603:26
[INFO] [stdout]     |
[INFO] [stdout] 603 | /// This trait replaces [`std::fs::OpenOption`] with the exception of its `new` function. To create
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^ the module `fs` contains no item named `OpenOption`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(broken_intra_doc_links)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `rsfs::mem::unix`
[INFO] [stdout]   --> src/mem/mod.rs:11:6
[INFO] [stdout]    |
[INFO] [stdout] 11 | //! [`rsfs::mem::unix`], you will have a cross-platform in-memory filesystem that obeys Unix
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^ the module `mem` contains no item named `rsfs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `std::fs::OpenOption`
[INFO] [stdout]    --> src/fs.rs:603:26
[INFO] [stdout]     |
[INFO] [stdout] 603 | /// This trait replaces [`std::fs::OpenOption`] with the exception of its `new` function. To create
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^ the module `fs` contains no item named `OpenOption`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]   --> src/mem/mod.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |   //! ```
[INFO] [stdout]    |  _____^
[INFO] [stdout] 40 | | //!
[INFO] [stdout] 41 | | //! [`FS`]: struct.FS.html
[INFO] [stdout] 42 | | //! [`rsfs::mem::unix`]: unix/index.html
[INFO] [stdout] 43 | | //! [`errors`]: ../errors/index.html
[INFO] [stdout]    | |____________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: error from rustc: unknown start of token: `
[INFO] [stdout]    = note: error from rustc: unknown start of token: `
[INFO] [stdout]    = note: error from rustc: unknown start of token: `
[INFO] [stdout]    = note: error from rustc: unknown start of token: `
[INFO] [stdout]    = note: error from rustc: unknown start of token: `
[INFO] [stdout]    = note: error from rustc: unknown start of token: `
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]    |
[INFO] [stdout] 39 | //! ```text
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.71s
[INFO] running `Command { std: "docker" "inspect" "f15286d49659f2592d1c9553fc3301e8747aa591cbb9fd3e99f1749c388cb508", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f15286d49659f2592d1c9553fc3301e8747aa591cbb9fd3e99f1749c388cb508", kill_on_drop: false }`
[INFO] [stdout] f15286d49659f2592d1c9553fc3301e8747aa591cbb9fd3e99f1749c388cb508
