[INFO] fetching crate mio-anonymous-pipes 0.1.0...
[INFO] documenting mio-anonymous-pipes-0.1.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate mio-anonymous-pipes 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate mio-anonymous-pipes 0.1.0 on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mio-anonymous-pipes 0.1.0
[INFO] finished tweaking crates.io crate mio-anonymous-pipes 0.1.0
[INFO] tweaked toml for crates.io crate mio-anonymous-pipes 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded spsc-buffer v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 33a056afcd98c4e53008b110bed31adfa91d60736df20cc6236c5d0fb1d6a8fb
[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" "33a056afcd98c4e53008b110bed31adfa91d60736df20cc6236c5d0fb1d6a8fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "33a056afcd98c4e53008b110bed31adfa91d60736df20cc6236c5d0fb1d6a8fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33a056afcd98c4e53008b110bed31adfa91d60736df20cc6236c5d0fb1d6a8fb", kill_on_drop: false }`
[INFO] [stdout] 33a056afcd98c4e53008b110bed31adfa91d60736df20cc6236c5d0fb1d6a8fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce30411f22ec21dfc6f9122b9af869c763399c375c3b2489748eed7dc6384ac2
[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" "ce30411f22ec21dfc6f9122b9af869c763399c375c3b2489748eed7dc6384ac2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling winapi v0.3.9
[INFO] [stderr]     Checking spsc-buffer v0.1.1
[INFO] [stderr]     Checking miow v0.3.5
[INFO] [stderr]  Documenting mio-anonymous-pipes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: could not find `um` in `winapi`
[INFO] [stdout]  --> src/lib.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 | use winapi::um::ioapiset::CancelSynchronousIo;
[INFO] [stdout]   |             ^^ could not find `um` in `winapi`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `windows` in `os`
[INFO] [stdout]   --> src/lib.rs:11:14
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::os::windows::io::AsRawHandle;
[INFO] [stdout]    |              ^^^^^^^ could not find `windows` in `os`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `miow::pipe`
[INFO] [stdout]  --> src/lib.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | use miow::pipe::{AnonRead, AnonWrite};
[INFO] [stdout]   |           ^^^^ could not find `pipe` in `miow`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `mio-anonymous-pipes`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name mio_anonymous_pipes 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 --extern mio=/opt/rustwide/target/debug/deps/libmio-faac5858235c5a7d.rmeta --extern miow=/opt/rustwide/target/debug/deps/libmiow-5501810c95009de6.rmeta --extern spsc_buffer=/opt/rustwide/target/debug/deps/libspsc_buffer-07f0b196175fce5a.rmeta --extern winapi=/opt/rustwide/target/debug/deps/libwinapi-6f353c033218146d.rmeta --cap-lints=warn --crate-version 0.1.0` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "ce30411f22ec21dfc6f9122b9af869c763399c375c3b2489748eed7dc6384ac2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce30411f22ec21dfc6f9122b9af869c763399c375c3b2489748eed7dc6384ac2", kill_on_drop: false }`
[INFO] [stdout] ce30411f22ec21dfc6f9122b9af869c763399c375c3b2489748eed7dc6384ac2