[INFO] fetching crate async_executors 0.3.0...
[INFO] documenting async_executors-0.3.0 against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] extracting crate async_executors 0.3.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate async_executors 0.3.0 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 async_executors 0.3.0
[INFO] removed 4 missing examples
[INFO] finished tweaking crates.io crate async_executors 0.3.0
[INFO] tweaked toml for crates.io crate async_executors 0.3.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate async_executors 0.3.0 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 tracing v0.1.15
[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] 49bfc61454818725390e087712f00e29ad10983ee7fe727238f0c6a03015caba
[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" "49bfc61454818725390e087712f00e29ad10983ee7fe727238f0c6a03015caba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "49bfc61454818725390e087712f00e29ad10983ee7fe727238f0c6a03015caba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49bfc61454818725390e087712f00e29ad10983ee7fe727238f0c6a03015caba", kill_on_drop: false }`
[INFO] [stdout] 49bfc61454818725390e087712f00e29ad10983ee7fe727238f0c6a03015caba
[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] 5dc36b41f270c83c507dbf970a0293ad2d3c84b3af654bd539924c0fbcba3310
[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" "5dc36b41f270c83c507dbf970a0293ad2d3c84b3af654bd539924c0fbcba3310", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]    Compiling proc-macro-nested v0.1.5
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]    Compiling async_executors v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]    Compiling pin-project-internal v0.4.20
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]     Checking pin-project v0.4.20
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]  Documenting async_executors v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `async_std_crate`
[INFO] [stdout]   --> src/join_handle.rs:27:29
[INFO] [stdout]    |
[INFO] [stdout] 27 | /// [tokio] and [async-std](async_std_crate) don't support canceling out of the box.
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^ the module `join_handle` contains no item named `async_std_crate`
[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 `tokio`
[INFO] [stdout]   --> src/join_handle.rs:27:6
[INFO] [stdout]    |
[INFO] [stdout] 27 | /// [tokio] and [async-std](async_std_crate) don't support canceling out of the box.
[INFO] [stdout]    |      ^^^^^ the module `join_handle` contains no item named `tokio`
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `async_std_crate`
[INFO] [stdout]   --> src/join_handle.rs:27:29
[INFO] [stdout]    |
[INFO] [stdout] 27 | /// [tokio] and [async-std](async_std_crate) don't support canceling out of the box.
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^ the module `join_handle` contains no item named `async_std_crate`
[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 31.41s
[INFO] running `Command { std: "docker" "inspect" "5dc36b41f270c83c507dbf970a0293ad2d3c84b3af654bd539924c0fbcba3310", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5dc36b41f270c83c507dbf970a0293ad2d3c84b3af654bd539924c0fbcba3310", kill_on_drop: false }`
[INFO] [stdout] 5dc36b41f270c83c507dbf970a0293ad2d3c84b3af654bd539924c0fbcba3310
