[INFO] fetching crate rair-io 0.1.0...
[INFO] documenting rair-io-0.1.0 against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] extracting crate rair-io 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate rair-io 0.1.0 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 rair-io 0.1.0
[INFO] finished tweaking crates.io crate rair-io 0.1.0
[INFO] tweaked toml for crates.io crate rair-io 0.1.0 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]  Downloading crates ...
[INFO] [stderr]   Downloaded rtrees v0.1.0
[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] [stdout] 944bbc4aebd22b46e0899088ab48cb47077a03b5a0016555ca7f72e15bc1d63e
[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" "944bbc4aebd22b46e0899088ab48cb47077a03b5a0016555ca7f72e15bc1d63e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "944bbc4aebd22b46e0899088ab48cb47077a03b5a0016555ca7f72e15bc1d63e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "944bbc4aebd22b46e0899088ab48cb47077a03b5a0016555ca7f72e15bc1d63e", kill_on_drop: false }`
[INFO] [stdout] 944bbc4aebd22b46e0899088ab48cb47077a03b5a0016555ca7f72e15bc1d63e
[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] [stdout] 6cadb549619ef53e44cec1f1579771bb2b73c1c39183149e3392cdbf37b0923b
[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" "6cadb549619ef53e44cec1f1579771bb2b73c1c39183149e3392cdbf37b0923b", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]     Checking rtrees v0.1.0
[INFO] [stderr]  Documenting rair-io v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `u64` is both a builtin type and a macro
[INFO] [stdout]    --> src/io.rs:104:49
[INFO] [stdout]     |
[INFO] [stdout] 104 |     /// the unique file handler represented by [u64] is returned. In case of error, an [IoError]
[INFO] [stdout]     |                                                 ^^^ ambiguous link
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(broken_intra_doc_links)]` on by default
[INFO] [stdout] help: to link to the builtin type, prefix with `prim@`
[INFO] [stdout]     |
[INFO] [stdout] 104 |     /// the unique file handler represented by [prim@u64] is returned. In case of error, an [IoError]
[INFO] [stdout]     |                                                 ^^^^^^^^
[INFO] [stdout] help: to link to the macro, add an exclamation mark
[INFO] [stdout]     |
[INFO] [stdout] 104 |     /// the unique file handler represented by [u64!] is returned. In case of error, an [IoError]
[INFO] [stdout]     |                                                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `u64` is both a builtin type and a macro
[INFO] [stdout]    --> src/io.rs:134:49
[INFO] [stdout]     |
[INFO] [stdout] 134 |     /// the unique file handler represented by [u64] is returned. In case of error, an [IoError]
[INFO] [stdout]     |                                                 ^^^ ambiguous link
[INFO] [stdout]     |
[INFO] [stdout] help: to link to the builtin type, prefix with `prim@`
[INFO] [stdout]     |
[INFO] [stdout] 134 |     /// the unique file handler represented by [prim@u64] is returned. In case of error, an [IoError]
[INFO] [stdout]     |                                                 ^^^^^^^^
[INFO] [stdout] help: to link to the macro, add an exclamation mark
[INFO] [stdout]     |
[INFO] [stdout] 134 |     /// the unique file handler represented by [u64!] is returned. In case of error, an [IoError]
[INFO] [stdout]     |                                                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.85s
[INFO] running `Command { std: "docker" "inspect" "6cadb549619ef53e44cec1f1579771bb2b73c1c39183149e3392cdbf37b0923b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cadb549619ef53e44cec1f1579771bb2b73c1c39183149e3392cdbf37b0923b", kill_on_drop: false }`
[INFO] [stdout] 6cadb549619ef53e44cec1f1579771bb2b73c1c39183149e3392cdbf37b0923b
