[INFO] fetching crate tio 0.1.0...
[INFO] documenting tio-0.1.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate tio 0.1.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate tio 0.1.0 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tio 0.1.0
[INFO] finished tweaking crates.io crate tio 0.1.0
[INFO] tweaked toml for crates.io crate tio 0.1.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "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" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded async-task v1.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 23457745ef41b5a75546a6bd5c82d4d8f034a1229b34572bda1545cd59a31427
[INFO] running `Command { std: "docker" "start" "-a" "23457745ef41b5a75546a6bd5c82d4d8f034a1229b34572bda1545cd59a31427", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23457745ef41b5a75546a6bd5c82d4d8f034a1229b34572bda1545cd59a31427", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23457745ef41b5a75546a6bd5c82d4d8f034a1229b34572bda1545cd59a31427", kill_on_drop: false }`
[INFO] [stdout] 23457745ef41b5a75546a6bd5c82d4d8f034a1229b34572bda1545cd59a31427
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f3f085fd863233880381eb51ebce0f621482001af4d3f8c3cc942933a4ea08c
[INFO] running `Command { std: "docker" "start" "-a" "6f3f085fd863233880381eb51ebce0f621482001af4d3f8c3cc942933a4ea08c", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.9
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking async-task v1.3.1
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking crossbeam-deque v0.7.4
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stderr]    Compiling ctor v0.1.22
[INFO] [stderr]  Documenting tio v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.32s
[INFO] running `Command { std: "docker" "inspect" "6f3f085fd863233880381eb51ebce0f621482001af4d3f8c3cc942933a4ea08c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f3f085fd863233880381eb51ebce0f621482001af4d3f8c3cc942933a4ea08c", kill_on_drop: false }`
[INFO] [stdout] 6f3f085fd863233880381eb51ebce0f621482001af4d3f8c3cc942933a4ea08c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=1" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--features" "docs" "--frozen" "--message-format=json" "--" "--cfg" "feature=\"docs\"" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 98a6b3917c87e0ff3aaa8722e4ac87042b6088165443eff4ab28a05b35dc2501
[INFO] running `Command { std: "docker" "start" "-a" "98a6b3917c87e0ff3aaa8722e4ac87042b6088165443eff4ab28a05b35dc2501", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.9
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking async-task v1.3.1
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking crossbeam-deque v0.7.4
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stderr]    Compiling ctor v0.1.22
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]  Documenting tio v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:1:48
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(feature = "docs", feature(doc_cfg, external_doc))]
[INFO] [stdout]   |                                                ^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: use #[doc = include_str!("filename")] instead, which handles macro invocations
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `tio`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name tio src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="async-rt"' --cfg 'feature="crossbeam-deque"' --cfg 'feature="crossbeam-queue"' --cfg 'feature="default"' --cfg 'feature="docs"' --cfg 'feature="event-loop"' --cfg 'feature="full"' --cfg 'feature="futures-timer"' --cfg 'feature="mio"' --cfg 'feature="net"' --cfg 'feature="num_cpus"' --cfg 'feature="slab"' --cfg 'feature="tcp"' --cfg 'feature="timer"' --cfg 'feature="udp"' --cfg 'feature="uds"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --cfg 'feature="docs"' -Z unstable-options --document-private-items -C metadata=e1672facbbcb6610 -L dependency=/opt/rustwide/target/debug/deps --extern async_task=/opt/rustwide/target/debug/deps/libasync_task-c0a67fbdaa12cb89.rmeta --extern crossbeam_channel=/opt/rustwide/target/debug/deps/libcrossbeam_channel-0f6b7c3d114d13f8.rmeta --extern crossbeam_deque=/opt/rustwide/target/debug/deps/libcrossbeam_deque-b609f27b28a2dcf2.rmeta --extern crossbeam_queue=/opt/rustwide/target/debug/deps/libcrossbeam_queue-9062986173cf4828.rmeta --extern crossbeam_utils=/opt/rustwide/target/debug/deps/libcrossbeam_utils-fb67f62de4b51370.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-fd7a27c019d77294.rmeta --extern futures_timer=/opt/rustwide/target/debug/deps/libfutures_timer-a996108504eebcb0.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-89a7432323ddd4fb.rmeta --extern mio=/opt/rustwide/target/debug/deps/libmio-1bfcb019547acc56.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-b6c37aa42dd025e0.rmeta --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-f09fca34c233de76.rmeta --extern slab=/opt/rustwide/target/debug/deps/libslab-85676563150d8dd1.rmeta --extern-html-root-url 'async_task=https://docs.rs/async-task/1.3.1/' --extern-html-root-url 'crossbeam_channel=https://docs.rs/crossbeam-channel/0.4.4/' --extern-html-root-url 'crossbeam_deque=https://docs.rs/crossbeam-deque/0.7.4/' --extern-html-root-url 'crossbeam_queue=https://docs.rs/crossbeam-queue/0.2.3/' --extern-html-root-url 'crossbeam_utils=https://docs.rs/crossbeam-utils/0.7.2/' --extern-html-root-url 'futures=https://docs.rs/futures/0.3.21/' --extern-html-root-url 'futures_timer=https://docs.rs/futures-timer/3.0.2/' --extern-html-root-url 'log=https://docs.rs/log/0.4.17/' --extern-html-root-url 'mio=https://docs.rs/mio/0.7.14/' --extern-html-root-url 'num_cpus=https://docs.rs/num_cpus/1.13.1/' --extern-html-root-url 'once_cell=https://docs.rs/once_cell/1.12.0/' --extern-html-root-url 'slab=https://docs.rs/slab/0.4.6/' -Zunstable-options --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "98a6b3917c87e0ff3aaa8722e4ac87042b6088165443eff4ab28a05b35dc2501", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98a6b3917c87e0ff3aaa8722e4ac87042b6088165443eff4ab28a05b35dc2501", kill_on_drop: false }`
[INFO] [stdout] 98a6b3917c87e0ff3aaa8722e4ac87042b6088165443eff4ab28a05b35dc2501