[INFO] fetching crate config-better 1.2.0...
[INFO] documenting config-better-1.2.0 against 1.76.0 for beta-1.77-rustdoc-1
[INFO] extracting crate config-better 1.2.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate config-better 1.2.0 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 config-better 1.2.0
[INFO] finished tweaking crates.io crate config-better 1.2.0
[INFO] tweaked toml for crates.io crate config-better 1.2.0 written to /workspace/builds/worker-4-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 temp-env v0.3.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 40f1b333eef5da4aa2714ff511dab4746329612dde9fd81358473425a7b1f841
[INFO] running `Command { std: "docker" "start" "-a" "40f1b333eef5da4aa2714ff511dab4746329612dde9fd81358473425a7b1f841", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40f1b333eef5da4aa2714ff511dab4746329612dde9fd81358473425a7b1f841", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40f1b333eef5da4aa2714ff511dab4746329612dde9fd81358473425a7b1f841", kill_on_drop: false }`
[INFO] [stdout] 40f1b333eef5da4aa2714ff511dab4746329612dde9fd81358473425a7b1f841
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 6032cc20cab1628fc70e6c26f1aa2be3aec9e45ab12b978038fa5e962607b416
[INFO] running `Command { std: "docker" "start" "-a" "6032cc20cab1628fc70e6c26f1aa2be3aec9e45ab12b978038fa5e962607b416", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling thiserror v1.0.57
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling thiserror-impl v1.0.57
[INFO] [stderr]  Documenting config-better v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.18s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/config_better/index.html
[INFO] running `Command { std: "docker" "inspect" "6032cc20cab1628fc70e6c26f1aa2be3aec9e45ab12b978038fa5e962607b416", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6032cc20cab1628fc70e6c26f1aa2be3aec9e45ab12b978038fa5e962607b416", kill_on_drop: false }`
[INFO] [stdout] 6032cc20cab1628fc70e6c26f1aa2be3aec9e45ab12b978038fa5e962607b416
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+1.76.0" "rustdoc" "--lib" "-Zrustdoc-map" "--all-features" "-Z" "unstable-options" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fdbe47cf3e10c3fbc0f0b298fd2c95f826ed4a2c293aac11e593bc5851651a8b
[INFO] running `Command { std: "docker" "start" "-a" "fdbe47cf3e10c3fbc0f0b298fd2c95f826ed4a2c293aac11e593bc5851651a8b", kill_on_drop: false }`
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]     Checking parking v2.2.0
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling rustix v0.38.31
[INFO] [stderr]     Checking concurrent-queue v2.4.0
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]     Checking value-bag v1.7.0
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]     Checking futures-lite v2.2.0
[INFO] [stderr]     Checking linux-raw-sys v0.4.13
[INFO] [stderr]     Checking event-listener v4.0.3
[INFO] [stderr]     Checking event-listener v5.0.0
[INFO] [stderr]     Checking event-listener-strategy v0.4.0
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking event-listener-strategy v0.5.0
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]     Checking async-lock v3.3.0
[INFO] [stderr]    Compiling rustix v0.37.27
[INFO] [stderr]     Checking async-task v4.7.0
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]     Checking atomic-waker v1.1.2
[INFO] [stderr]     Checking async-channel v2.2.0
[INFO] [stderr]     Checking piper v0.2.1
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking waker-fn v1.1.1
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking fastrand v1.9.0
[INFO] [stderr]     Checking linux-raw-sys v0.3.8
[INFO] [stderr]     Checking blocking v1.5.1
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking async-executor v1.8.0
[INFO] [stderr]     Checking async-lock v2.8.0
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]    Compiling thiserror v1.0.57
[INFO] [stderr]     Checking async-channel v1.9.0
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking tokio v1.36.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.57
[INFO] [stderr]     Checking polling v3.4.0
[INFO] [stderr]     Checking async-io v2.3.1
[INFO] [stderr]     Checking async-global-executor v2.4.1
[INFO] [stderr]     Checking async-std v1.12.0
[INFO] [stderr]  Documenting config-better v1.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: Cannot enable both async and async-tokio features
[INFO] [stdout]  --> src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | compile_error!("Cannot enable both async and async-tokio features");
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `config-better`
[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 config_better src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="async"' --cfg 'feature="async-std"' --cfg 'feature="async-tokio"' --cfg 'feature="default"' --cfg 'feature="sync"' --cfg 'feature="tokio"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat -C metadata=4739637fb67ba67a -L dependency=/opt/rustwide/target/debug/deps --extern async_std=/opt/rustwide/target/debug/deps/libasync_std-f2a2cf25e110808c.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-b049f132ddfc695e.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-25edec96e9a55410.rmeta --extern-html-root-url 'async_std=https://docs.rs/async-std/1.12.0/' --extern-html-root-url 'thiserror=https://docs.rs/thiserror/1.0.57/' --extern-html-root-url 'tokio=https://docs.rs/tokio/1.36.0/' -Zunstable-options --cap-lints=warn --crate-version 1.2.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "fdbe47cf3e10c3fbc0f0b298fd2c95f826ed4a2c293aac11e593bc5851651a8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdbe47cf3e10c3fbc0f0b298fd2c95f826ed4a2c293aac11e593bc5851651a8b", kill_on_drop: false }`
[INFO] [stdout] fdbe47cf3e10c3fbc0f0b298fd2c95f826ed4a2c293aac11e593bc5851651a8b
