[INFO] fetching crate tio 0.1.0...
[INFO] documenting tio-0.1.0 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate tio 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate tio 0.1.0 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "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-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3fc80ffdb9d94c502062b71268b5e3255e4237e736b5041f08590a978bc6c4af
[INFO] running `Command { std: "docker" "start" "-a" "3fc80ffdb9d94c502062b71268b5e3255e4237e736b5041f08590a978bc6c4af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3fc80ffdb9d94c502062b71268b5e3255e4237e736b5041f08590a978bc6c4af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fc80ffdb9d94c502062b71268b5e3255e4237e736b5041f08590a978bc6c4af", kill_on_drop: false }`
[INFO] [stdout] 3fc80ffdb9d94c502062b71268b5e3255e4237e736b5041f08590a978bc6c4af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4717559482bed567793fa7b409a4d42c5c07ae1add9fa3384bd1ed50742fa6e4
[INFO] running `Command { std: "docker" "start" "-a" "4717559482bed567793fa7b409a4d42c5c07ae1add9fa3384bd1ed50742fa6e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking value-bag v1.4.3
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking async-task v1.3.1
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking crossbeam-deque v0.7.4
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]  Documenting tio v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.53s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/tio/index.html
[INFO] running `Command { std: "docker" "inspect" "4717559482bed567793fa7b409a4d42c5c07ae1add9fa3384bd1ed50742fa6e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4717559482bed567793fa7b409a4d42c5c07ae1add9fa3384bd1ed50742fa6e4", kill_on_drop: false }`
[INFO] [stdout] 4717559482bed567793fa7b409a4d42c5c07ae1add9fa3384bd1ed50742fa6e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "rustdoc" "--lib" "-Zrustdoc-map" "--features" "docs" "-Z" "unstable-options" "--config" "build.rustdocflags=[\"--cfg\", \"feature=\\\"docs\\\"\", \"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c074671c4e0fd81a2e891b9f90b168720763f6bd46257b062612a1388061589
[INFO] running `Command { std: "docker" "start" "-a" "4c074671c4e0fd81a2e891b9f90b168720763f6bd46257b062612a1388061589", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-timer v3.0.2
[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: `/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/bin/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 -C metadata=4041dc4aaa4782f1 -L dependency=/opt/rustwide/target/debug/deps --extern async_task=/opt/rustwide/target/debug/deps/libasync_task-99d8a91af2caa763.rmeta --extern crossbeam_channel=/opt/rustwide/target/debug/deps/libcrossbeam_channel-581a142ad613f6ad.rmeta --extern crossbeam_deque=/opt/rustwide/target/debug/deps/libcrossbeam_deque-4fc4e469ad04876f.rmeta --extern crossbeam_queue=/opt/rustwide/target/debug/deps/libcrossbeam_queue-6e8fddb078d47019.rmeta --extern crossbeam_utils=/opt/rustwide/target/debug/deps/libcrossbeam_utils-b55d804b6133f54b.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-31a3e439ae0f5a79.rmeta --extern futures_timer=/opt/rustwide/target/debug/deps/libfutures_timer-f856599422996b87.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-efedfa7d92862d34.rmeta --extern mio=/opt/rustwide/target/debug/deps/libmio-5905fe5b869e35d7.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-317e4bc5bade7f3c.rmeta --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-94384e5ea6a973b7.rmeta --extern slab=/opt/rustwide/target/debug/deps/libslab-9ece53ca137d9ea0.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/0.3.30/' --extern-html-root-url 'futures_timer=https://docs.rs/futures-timer/3.0.2/' --extern-html-root-url 'log=https://docs.rs/log/0.4.20/' --extern-html-root-url 'mio=https://docs.rs/mio/0.7.14/' --extern-html-root-url 'num_cpus=https://docs.rs/num_cpus/1.16.0/' --extern-html-root-url 'once_cell=https://docs.rs/once_cell/1.19.0/' --extern-html-root-url 'slab=https://docs.rs/slab/0.4.9/' -Zunstable-options --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "4c074671c4e0fd81a2e891b9f90b168720763f6bd46257b062612a1388061589", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c074671c4e0fd81a2e891b9f90b168720763f6bd46257b062612a1388061589", kill_on_drop: false }`
[INFO] [stdout] 4c074671c4e0fd81a2e891b9f90b168720763f6bd46257b062612a1388061589
