[INFO] fetching crate rio_rt 0.1.0-alpha.2...
[INFO] documenting rio_rt-0.1.0-alpha.2 against 1.76.0 for beta-1.77-rustdoc-1
[INFO] extracting crate rio_rt 0.1.0-alpha.2 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate rio_rt 0.1.0-alpha.2 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rio_rt 0.1.0-alpha.2
[INFO] finished tweaking crates.io crate rio_rt 0.1.0-alpha.2
[INFO] tweaked toml for crates.io crate rio_rt 0.1.0-alpha.2 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "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" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f8670f693a4b5d1e9a4726ca3283be1b8a29c65d26730dd36b2ef833fc68af48
[INFO] running `Command { std: "docker" "start" "-a" "f8670f693a4b5d1e9a4726ca3283be1b8a29c65d26730dd36b2ef833fc68af48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8670f693a4b5d1e9a4726ca3283be1b8a29c65d26730dd36b2ef833fc68af48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8670f693a4b5d1e9a4726ca3283be1b8a29c65d26730dd36b2ef833fc68af48", kill_on_drop: false }`
[INFO] [stdout] f8670f693a4b5d1e9a4726ca3283be1b8a29c65d26730dd36b2ef833fc68af48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+1.76.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 509230026e7390ee9d8563bd4e308e2f6c7e49d5f29c877bd8fe6dee9ab5f1a2
[INFO] running `Command { std: "docker" "start" "-a" "509230026e7390ee9d8563bd4e308e2f6c7e49d5f29c877bd8fe6dee9ab5f1a2", kill_on_drop: false }`
[INFO] [stderr]  Documenting rio_rt v0.1.0-alpha.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0658]: use of unstable library feature 'lazy_cell'
[INFO] [stdout]   --> src/runitime.rs:79:49
[INFO] [stdout]    |
[INFO] [stdout] 79 | pub(crate) static INSTANCE: LazyLock<Runtime> = LazyLock::new(|| configure());
[INFO] [stdout]    |                                                 ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #109736 <https://github.com/rust-lang/rust/issues/109736> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `rio_rt`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.76.0-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2021 --crate-type lib --crate-name rio_rt src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=ec7b64716d78c754 -L dependency=/opt/rustwide/target/debug/deps --extern log=/opt/rustwide/target/debug/deps/liblog-c2b9fe8f0bb60ac5.rmeta --cap-lints=warn --crate-version 0.1.0-alpha.2` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "509230026e7390ee9d8563bd4e308e2f6c7e49d5f29c877bd8fe6dee9ab5f1a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "509230026e7390ee9d8563bd4e308e2f6c7e49d5f29c877bd8fe6dee9ab5f1a2", kill_on_drop: false }`
[INFO] [stdout] 509230026e7390ee9d8563bd4e308e2f6c7e49d5f29c877bd8fe6dee9ab5f1a2
[INFO] documenting rio_rt-0.1.0-alpha.2 against beta-2024-02-10 for beta-1.77-rustdoc-1
[INFO] extracting crate rio_rt 0.1.0-alpha.2 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate rio_rt 0.1.0-alpha.2 on toolchain beta-2024-02-10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rio_rt 0.1.0-alpha.2
[INFO] finished tweaking crates.io crate rio_rt 0.1.0-alpha.2
[INFO] tweaked toml for crates.io crate rio_rt 0.1.0-alpha.2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "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" "+beta-2024-02-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "+beta-2024-02-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 86c496d8a7a3691763f33f17da2b4f280740ae7b3c98f922e0a559669107aafe
[INFO] running `Command { std: "docker" "start" "-a" "86c496d8a7a3691763f33f17da2b4f280740ae7b3c98f922e0a559669107aafe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86c496d8a7a3691763f33f17da2b4f280740ae7b3c98f922e0a559669107aafe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86c496d8a7a3691763f33f17da2b4f280740ae7b3c98f922e0a559669107aafe", kill_on_drop: false }`
[INFO] [stdout] 86c496d8a7a3691763f33f17da2b4f280740ae7b3c98f922e0a559669107aafe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "+beta-2024-02-10" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc0ba23a6a6c069123953ad548fe8b29754c2be2e584641ebbb087d98ed70862
[INFO] running `Command { std: "docker" "start" "-a" "bc0ba23a6a6c069123953ad548fe8b29754c2be2e584641ebbb087d98ed70862", kill_on_drop: false }`
[INFO] [stderr]  Documenting rio_rt v0.1.0-alpha.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0658]: use of unstable library feature 'lazy_cell'
[INFO] [stdout]   --> src/runitime.rs:79:49
[INFO] [stdout]    |
[INFO] [stdout] 79 | pub(crate) static INSTANCE: LazyLock<Runtime> = LazyLock::new(|| configure());
[INFO] [stdout]    |                                                 ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #109736 <https://github.com/rust-lang/rust/issues/109736> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `rio_rt`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2024-02-10-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2021 --crate-type lib --crate-name rio_rt src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=55d371540c58e15d -L dependency=/opt/rustwide/target/debug/deps --extern log=/opt/rustwide/target/debug/deps/liblog-253dd6813867a002.rmeta --cap-lints=warn --crate-version 0.1.0-alpha.2` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "bc0ba23a6a6c069123953ad548fe8b29754c2be2e584641ebbb087d98ed70862", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc0ba23a6a6c069123953ad548fe8b29754c2be2e584641ebbb087d98ed70862", kill_on_drop: false }`
[INFO] [stdout] bc0ba23a6a6c069123953ad548fe8b29754c2be2e584641ebbb087d98ed70862
