[INFO] fetching crate monoio-compat 0.2.0...
[INFO] documenting monoio-compat-0.2.0 against 1.76.0 for beta-1.77-rustdoc-1
[INFO] extracting crate monoio-compat 0.2.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate monoio-compat 0.2.0 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 monoio-compat 0.2.0
[INFO] finished tweaking crates.io crate monoio-compat 0.2.0
[INFO] tweaked toml for crates.io crate monoio-compat 0.2.0 written to /workspace/builds/worker-0-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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded monoio-macros v0.1.0
[INFO] [stderr]   Downloaded auto-const-array v0.2.1
[INFO] [stderr]   Downloaded reusable-box-future v0.2.0
[INFO] [stderr]   Downloaded io-uring v0.6.3
[INFO] [stderr]   Downloaded monoio v0.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] af7040a1adeb5c262017a5a4114d676b78df0cd18485338e1005f9354a764dad
[INFO] running `Command { std: "docker" "start" "-a" "af7040a1adeb5c262017a5a4114d676b78df0cd18485338e1005f9354a764dad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af7040a1adeb5c262017a5a4114d676b78df0cd18485338e1005f9354a764dad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af7040a1adeb5c262017a5a4114d676b78df0cd18485338e1005f9354a764dad", kill_on_drop: false }`
[INFO] [stdout] af7040a1adeb5c262017a5a4114d676b78df0cd18485338e1005f9354a764dad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 292fb3e33753df8c69329e05620860a5f7d103ca4007a62f55806c78b976057d
[INFO] running `Command { std: "docker" "start" "-a" "292fb3e33753df8c69329e05620860a5f7d103ca4007a62f55806c78b976057d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling io-uring v0.6.3
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]     Checking reusable-box-future v0.2.0
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking tokio v1.36.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling auto-const-array v0.2.1
[INFO] [stderr]     Checking monoio v0.2.2
[INFO] [stderr]  Documenting monoio-compat v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(new_uninit)]
[INFO] [stdout]   |            ^^^^^^^^^^
[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 E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `monoio-compat`
[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 monoio_compat src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=4f503b9b12ce3519 -L dependency=/opt/rustwide/target/debug/deps --extern monoio=/opt/rustwide/target/debug/deps/libmonoio-d4fa917fededb041.rmeta --extern reusable_box_future=/opt/rustwide/target/debug/deps/libreusable_box_future-975b0b482e5be463.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-54cecac6d57447ea.rmeta --cap-lints=warn --crate-version 0.2.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "292fb3e33753df8c69329e05620860a5f7d103ca4007a62f55806c78b976057d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "292fb3e33753df8c69329e05620860a5f7d103ca4007a62f55806c78b976057d", kill_on_drop: false }`
[INFO] [stdout] 292fb3e33753df8c69329e05620860a5f7d103ca4007a62f55806c78b976057d
[INFO] documenting monoio-compat-0.2.0 against beta-2024-02-10 for beta-1.77-rustdoc-1
[INFO] extracting crate monoio-compat 0.2.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate monoio-compat 0.2.0 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 monoio-compat 0.2.0
[INFO] finished tweaking crates.io crate monoio-compat 0.2.0
[INFO] tweaked toml for crates.io crate monoio-compat 0.2.0 written to /workspace/builds/worker-0-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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 6fcff7a7f21dc841816af70e55b74f6f3c58ed7fed2ee417c285d3ea1b826091
[INFO] running `Command { std: "docker" "start" "-a" "6fcff7a7f21dc841816af70e55b74f6f3c58ed7fed2ee417c285d3ea1b826091", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6fcff7a7f21dc841816af70e55b74f6f3c58ed7fed2ee417c285d3ea1b826091", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fcff7a7f21dc841816af70e55b74f6f3c58ed7fed2ee417c285d3ea1b826091", kill_on_drop: false }`
[INFO] [stdout] 6fcff7a7f21dc841816af70e55b74f6f3c58ed7fed2ee417c285d3ea1b826091
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] f9e4cc5db2a34efb6e867f2e97e987319ae0fadc3fafd5cc1dd31eed07e90bdf
[INFO] running `Command { std: "docker" "start" "-a" "f9e4cc5db2a34efb6e867f2e97e987319ae0fadc3fafd5cc1dd31eed07e90bdf", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling io-uring v0.6.3
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking reusable-box-future v0.2.0
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking tokio v1.36.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling auto-const-array v0.2.1
[INFO] [stderr]     Checking monoio v0.2.2
[INFO] [stderr]  Documenting monoio-compat v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(new_uninit)]
[INFO] [stdout]   |            ^^^^^^^^^^
[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 E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `monoio-compat`
[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 monoio_compat src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=a5e7c11ba0ed7510 -L dependency=/opt/rustwide/target/debug/deps --extern monoio=/opt/rustwide/target/debug/deps/libmonoio-6c1f10ad91bc51ce.rmeta --extern reusable_box_future=/opt/rustwide/target/debug/deps/libreusable_box_future-cc64c67ba0e4c9dc.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-d5523910c376868c.rmeta --cap-lints=warn --crate-version 0.2.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "f9e4cc5db2a34efb6e867f2e97e987319ae0fadc3fafd5cc1dd31eed07e90bdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9e4cc5db2a34efb6e867f2e97e987319ae0fadc3fafd5cc1dd31eed07e90bdf", kill_on_drop: false }`
[INFO] [stdout] f9e4cc5db2a34efb6e867f2e97e987319ae0fadc3fafd5cc1dd31eed07e90bdf
