[INFO] cloning repository https://github.com/xiejianzheng/epoll-demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xiejianzheng/epoll-demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxiejianzheng%2Fepoll-demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxiejianzheng%2Fepoll-demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b5f7a31b947ebd071421d63b046352c68c4a76bd
[INFO] documenting xiejianzheng/epoll-demo against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxiejianzheng%2Fepoll-demo" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xiejianzheng/epoll-demo 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 git repo https://github.com/xiejianzheng/epoll-demo
[INFO] removed 1 missing tests
[INFO] finished tweaking git repo https://github.com/xiejianzheng/epoll-demo
[INFO] tweaked toml for git repo https://github.com/xiejianzheng/epoll-demo written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/xiejianzheng/epoll-demo already has a lockfile, it will not be regenerated
[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 bytes v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] e466b9200260de65076591d11dc4edcc4526a69c1501eec101f25bb208b529db
[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" "e466b9200260de65076591d11dc4edcc4526a69c1501eec101f25bb208b529db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e466b9200260de65076591d11dc4edcc4526a69c1501eec101f25bb208b529db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e466b9200260de65076591d11dc4edcc4526a69c1501eec101f25bb208b529db", kill_on_drop: false }`
[INFO] [stdout] e466b9200260de65076591d11dc4edcc4526a69c1501eec101f25bb208b529db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 55ac628f9e81c184b1750936cc5115e7b2852f37ce08848e0b1d8d9a91779b08
[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" "55ac628f9e81c184b1750936cc5115e7b2852f37ce08848e0b1d8d9a91779b08", kill_on_drop: false }`
[INFO] [stderr]  Documenting mio v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `sys::EventedFd`
[INFO] [stdout]   --> src/main.rs:39:13
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub use sys::EventedFd;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^ no `EventedFd` in `sys`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Selector` in module `sys`
[INFO] [stdout]    --> src/poll.rs:330:20
[INFO] [stdout]     |
[INFO] [stdout] 330 |     selector: sys::Selector,
[INFO] [stdout]     |                    ^^^^^^^^ not found in `sys`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 1   | use sys::unix::Selector;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Awakener` in module `sys`
[INFO] [stdout]    --> src/poll.rs:486:20
[INFO] [stdout]     |
[INFO] [stdout] 486 |     awakener: sys::Awakener,
[INFO] [stdout]     |                    ^^^^^^^^ not found in `sys`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 1   | use sys::unix::Awakener;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Events` in module `sys`
[INFO] [stdout]     --> src/poll.rs:1301:17
[INFO] [stdout]      |
[INFO] [stdout] 1301 |     inner: sys::Events,
[INFO] [stdout]      |                 ^^^^^^ not found in `sys`
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]      |
[INFO] [stdout] 1    | use Events;
[INFO] [stdout]      |
[INFO] [stdout] 1    | use sys::unix::Events;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Selector` in module `sys`
[INFO] [stdout]     --> src/poll.rs:1543:39
[INFO] [stdout]      |
[INFO] [stdout] 1543 | pub fn selector(poll: &Poll) -> &sys::Selector {
[INFO] [stdout]      |                                       ^^^^^^^^ not found in `sys`
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]      |
[INFO] [stdout] 1    | use sys::unix::Selector;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Events` in module `sys`
[INFO] [stdout]     --> src/poll.rs:2129:35
[INFO] [stdout]      |
[INFO] [stdout] 2129 |     fn poll(&self, dst: &mut sys::Events) {
[INFO] [stdout]      |                                   ^^^^^^ not found in `sys`
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]      |
[INFO] [stdout] 1    | use Events;
[INFO] [stdout]      |
[INFO] [stdout] 1    | use sys::unix::Events;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `mio`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name mio src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern iovec=/opt/rustwide/target/debug/deps/libiovec-9454dc373805bc47.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-513a00cb9e362cd7.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-ea8c23e1ba7a59c0.rmeta --extern net2=/opt/rustwide/target/debug/deps/libnet2-f349835c3170874f.rmeta --extern slab=/opt/rustwide/target/debug/deps/libslab-e0e0e35ef9a5003f.rmeta --cap-lints=warn --crate-version 0.7.0` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "55ac628f9e81c184b1750936cc5115e7b2852f37ce08848e0b1d8d9a91779b08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55ac628f9e81c184b1750936cc5115e7b2852f37ce08848e0b1d8d9a91779b08", kill_on_drop: false }`
[INFO] [stdout] 55ac628f9e81c184b1750936cc5115e7b2852f37ce08848e0b1d8d9a91779b08