[INFO] fetching crate neovim-rs 0.1.0...
[INFO] documenting neovim-rs-0.1.0 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate neovim-rs 0.1.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate neovim-rs 0.1.0 on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate neovim-rs 0.1.0
[INFO] finished tweaking crates.io crate neovim-rs 0.1.0
[INFO] tweaked toml for crates.io crate neovim-rs 0.1.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+1.46.0" "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] 17ae06242fa8e2ddebd256679fd3a579a7d1ea291621dd2d682f46a19a1cbb8a
[INFO] running `Command { std: "docker" "start" "-a" "17ae06242fa8e2ddebd256679fd3a579a7d1ea291621dd2d682f46a19a1cbb8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "17ae06242fa8e2ddebd256679fd3a579a7d1ea291621dd2d682f46a19a1cbb8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17ae06242fa8e2ddebd256679fd3a579a7d1ea291621dd2d682f46a19a1cbb8a", kill_on_drop: false }`
[INFO] [stdout] 17ae06242fa8e2ddebd256679fd3a579a7d1ea291621dd2d682f46a19a1cbb8a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fcadc21b901afbe8b05d925b0de11f0fc865a8ed1e62b2c30a6ec3c194ccb948
[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" "fcadc21b901afbe8b05d925b0de11f0fc865a8ed1e62b2c30a6ec3c194ccb948", kill_on_drop: false }`
[INFO] [stderr]    Compiling neovim-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting neovim-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: could not find `funcs` in `libc`
[INFO] [stdout]  --> src/ffi.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use libc::funcs::c95::stdlib::malloc;
[INFO] [stdout]   |               ^^^^^ could not find `funcs` in `libc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `types` in `libc`
[INFO] [stdout]  --> src/ffi.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use libc::types::os::arch::c95::size_t;
[INFO] [stdout]   |               ^^^^^ could not find `types` in `libc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `size_t` in this scope
[INFO] [stdout]   --> src/ffi.rs:12:15
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub size: size_t,
[INFO] [stdout]    |               ^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this type alias
[INFO] [stdout]    |
[INFO] [stdout] 3  | use libc::size_t;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `size_t` in this scope
[INFO] [stdout]   --> src/ffi.rs:14:16
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub alloc: size_t
[INFO] [stdout]    |                ^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this type alias
[INFO] [stdout]    |
[INFO] [stdout] 3  | use libc::size_t;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `size_t` in this scope
[INFO] [stdout]    --> src/ffi.rs:121:15
[INFO] [stdout]     |
[INFO] [stdout] 121 |     pub size: size_t
[INFO] [stdout]     |               ^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this type alias
[INFO] [stdout]     |
[INFO] [stdout] 3   | use libc::size_t;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `size_t` in this scope
[INFO] [stdout]    --> src/ffi.rs:128:15
[INFO] [stdout]     |
[INFO] [stdout] 128 |     pub size: size_t,
[INFO] [stdout]     |               ^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this type alias
[INFO] [stdout]     |
[INFO] [stdout] 3   | use libc::size_t;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `size_t` in this scope
[INFO] [stdout]    --> src/ffi.rs:129:19
[INFO] [stdout]     |
[INFO] [stdout] 129 |     pub capacity: size_t
[INFO] [stdout]     |                   ^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this type alias
[INFO] [stdout]     |
[INFO] [stdout] 3   | use libc::size_t;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `size_t` in this scope
[INFO] [stdout]    --> src/ffi.rs:136:15
[INFO] [stdout]     |
[INFO] [stdout] 136 |     pub size: size_t,
[INFO] [stdout]     |               ^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this type alias
[INFO] [stdout]     |
[INFO] [stdout] 3   | use libc::size_t;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `size_t` in this scope
[INFO] [stdout]    --> src/ffi.rs:137:19
[INFO] [stdout]     |
[INFO] [stdout] 137 |     pub capacity: size_t
[INFO] [stdout]     |                   ^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this type alias
[INFO] [stdout]     |
[INFO] [stdout] 3   | use libc::size_t;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(collections, libc)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 11 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0433, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `neovim-rs`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type rlib --crate-name neovim src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "fcadc21b901afbe8b05d925b0de11f0fc865a8ed1e62b2c30a6ec3c194ccb948", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcadc21b901afbe8b05d925b0de11f0fc865a8ed1e62b2c30a6ec3c194ccb948", kill_on_drop: false }`
[INFO] [stdout] fcadc21b901afbe8b05d925b0de11f0fc865a8ed1e62b2c30a6ec3c194ccb948