[INFO] fetching crate tokio-core 0.1.17...
[INFO] documenting tokio-core-0.1.17 against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] extracting crate tokio-core 0.1.17 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate tokio-core 0.1.17 on toolchain 394e1b40d264aa6928811919c1124fa248e7d802
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tokio-core 0.1.17
[INFO] finished tweaking crates.io crate tokio-core 0.1.17
[INFO] tweaked toml for crates.io crate tokio-core 0.1.17 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e80838466023c1acd65e873d1c27d89e4b69fb2df8b8d370990e03dfc54cf121
[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" "e80838466023c1acd65e873d1c27d89e4b69fb2df8b8d370990e03dfc54cf121", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e80838466023c1acd65e873d1c27d89e4b69fb2df8b8d370990e03dfc54cf121", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e80838466023c1acd65e873d1c27d89e4b69fb2df8b8d370990e03dfc54cf121", kill_on_drop: false }`
[INFO] [stdout] e80838466023c1acd65e873d1c27d89e4b69fb2df8b8d370990e03dfc54cf121
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0eada9ef12ab5a0de975b6d5a3cb66bc84e4fd6534fa1ba036b82d6cfc9bd94f
[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" "0eada9ef12ab5a0de975b6d5a3cb66bc84e4fd6534fa1ba036b82d6cfc9bd94f", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]     Checking crossbeam-utils v0.7.2
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]     Checking crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking tokio-timer v0.2.13
[INFO] [stderr]     Checking tokio-current-thread v0.1.7
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr]     Checking tokio-udp v0.1.6
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio-uds v0.2.7
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]  Documenting tokio-core v0.1.17 (/opt/rustwide/workdir)
[INFO] [stdout] error: `[poll_read_ready]` cannot be resolved, ignoring it.
[INFO] [stdout]   --> src/reactor/poll_evented2.rs:40:6
[INFO] [stdout]    |
[INFO] [stdout] 40 | /// [`poll_read_ready`] and [`poll_write_ready`]. These functions return the
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^ cannot be resolved, ignoring
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:94:9
[INFO] [stdout]    |
[INFO] [stdout] 94 | #![deny(warnings)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(intra_doc_link_resolution_failure)]` implied by `#[deny(warnings)]`
[INFO] [stdout]    = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `[poll_write_ready]` cannot be resolved, ignoring it.
[INFO] [stdout]   --> src/reactor/poll_evented2.rs:40:30
[INFO] [stdout]    |
[INFO] [stdout] 40 | /// [`poll_read_ready`] and [`poll_write_ready`]. These functions return the
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^ cannot be resolved, ignoring
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `[poll_read_ready]` cannot be resolved, ignoring it.
[INFO] [stdout]   --> src/reactor/poll_evented2.rs:42:6
[INFO] [stdout]    |
[INFO] [stdout] 42 | /// [`poll_read_ready`] indicates read readiness, immediately calling
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^ cannot be resolved, ignoring
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `[poll_read_ready]` cannot be resolved, ignoring it.
[INFO] [stdout]   --> src/reactor/poll_evented2.rs:43:6
[INFO] [stdout]    |
[INFO] [stdout] 43 | /// [`poll_read_ready`] again will also indicate read readiness.
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^ cannot be resolved, ignoring
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `[clear_read_ready]` cannot be resolved, ignoring it.
[INFO] [stdout]   --> src/reactor/poll_evented2.rs:46:53
[INFO] [stdout]    |
[INFO] [stdout] 46 | /// resource not being ready, the caller must call [`clear_read_ready`] or
[INFO] [stdout]    |                                                     ^^^^^^^^^^^^^^^^^^ cannot be resolved, ignoring
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `[clear_write_ready]` cannot be resolved, ignoring it.
[INFO] [stdout]   --> src/reactor/poll_evented2.rs:47:6
[INFO] [stdout]    |
[INFO] [stdout] 47 | /// [`clear_write_ready`]. This clears the readiness state until a new readiness
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^ cannot be resolved, ignoring
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `[poll_read_ready]` cannot be resolved, ignoring it.
[INFO] [stdout]   --> src/reactor/poll_evented2.rs:51:54
[INFO] [stdout]    |
[INFO] [stdout] 51 | /// [`TcpListener`] implements poll_accept by using [`poll_read_ready`] and
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^^^^^^ cannot be resolved, ignoring
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `[clear_write_ready]` cannot be resolved, ignoring it.
[INFO] [stdout]   --> src/reactor/poll_evented2.rs:52:6
[INFO] [stdout]    |
[INFO] [stdout] 52 | /// [`clear_write_ready`].
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^ cannot be resolved, ignoring
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 8 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `tokio-core`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name tokio_core 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 bytes=/opt/rustwide/target/debug/deps/libbytes-5efe1e40500d871f.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-02decb096191b3cd.rmeta --extern iovec=/opt/rustwide/target/debug/deps/libiovec-cdd54cae2f8ee6d5.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-0aada07bd69e847b.rmeta --extern mio=/opt/rustwide/target/debug/deps/libmio-1636ea8e963b8495.rmeta --extern scoped_tls=/opt/rustwide/target/debug/deps/libscoped_tls-e905d836cea78a7a.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-7c9d08d2fbf86b04.rmeta --extern tokio_executor=/opt/rustwide/target/debug/deps/libtokio_executor-54ced4574c4f4752.rmeta --extern tokio_io=/opt/rustwide/target/debug/deps/libtokio_io-3a7a640392671045.rmeta --extern tokio_reactor=/opt/rustwide/target/debug/deps/libtokio_reactor-c7e4f4363e7e465c.rmeta --extern tokio_timer=/opt/rustwide/target/debug/deps/libtokio_timer-349c0aaabf901edb.rmeta --cap-lints=forbid` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "0eada9ef12ab5a0de975b6d5a3cb66bc84e4fd6534fa1ba036b82d6cfc9bd94f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0eada9ef12ab5a0de975b6d5a3cb66bc84e4fd6534fa1ba036b82d6cfc9bd94f", kill_on_drop: false }`
[INFO] [stdout] 0eada9ef12ab5a0de975b6d5a3cb66bc84e4fd6534fa1ba036b82d6cfc9bd94f