[INFO] fetching crate ayaka-bindings 0.2.0...
[INFO] documenting ayaka-bindings-0.2.0 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate ayaka-bindings 0.2.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate ayaka-bindings 0.2.0 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 ayaka-bindings 0.2.0
[INFO] finished tweaking crates.io crate ayaka-bindings 0.2.0
[INFO] tweaked toml for crates.io crate ayaka-bindings 0.2.0 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ayaka-bindings-impl v0.2.0
[INFO] [stderr]   Downloaded vfs v0.9.0
[INFO] [stderr]   Downloaded ayaka-bindings-types v0.2.0
[INFO] [stderr]   Downloaded fallback-derive v0.1.1
[INFO] [stderr]   Downloaded ayaka-primitive v0.2.0
[INFO] [stderr]   Downloaded fallback v0.1.2
[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] 2cceb36e599dad8c8ec71c557ed75d98008b6c9b41668aa796548356edf74172
[INFO] running `Command { std: "docker" "start" "-a" "2cceb36e599dad8c8ec71c557ed75d98008b6c9b41668aa796548356edf74172", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2cceb36e599dad8c8ec71c557ed75d98008b6c9b41668aa796548356edf74172", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cceb36e599dad8c8ec71c557ed75d98008b6c9b41668aa796548356edf74172", kill_on_drop: false }`
[INFO] [stdout] 2cceb36e599dad8c8ec71c557ed75d98008b6c9b41668aa796548356edf74172
[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] df9f253f34fde7c8c98b1d4eb40ad213cb1ad2bdfc74ac24e60ed7d353dae6e6
[INFO] running `Command { std: "docker" "start" "-a" "df9f253f34fde7c8c98b1d4eb40ad213cb1ad2bdfc74ac24e60ed7d353dae6e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling serde v1.0.195
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling toml_datetime v0.6.5
[INFO] [stderr]     Checking vfs v0.9.0
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking rmp v0.8.12
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]    Compiling darling_core v0.20.3
[INFO] [stderr]    Compiling ayaka-bindings-impl v0.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.195
[INFO] [stderr]    Compiling fallback-derive v0.1.1
[INFO] [stderr]     Checking fallback v0.1.2
[INFO] [stderr]    Compiling darling_macro v0.20.3
[INFO] [stderr]    Compiling darling v0.20.3
[INFO] [stderr]    Compiling serde_with_macros v2.3.3
[INFO] [stderr]     Checking serde_with v2.3.3
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking rmp-serde v1.1.2
[INFO] [stderr]     Checking ayaka-primitive v0.2.0
[INFO] [stderr]     Checking ayaka-bindings-types v0.2.0
[INFO] [stderr]  Documenting ayaka-bindings 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:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(fn_traits)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(tuple_trait)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(unboxed_closures)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `ayaka-bindings`
[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=2021 --crate-type lib --crate-name ayaka_bindings src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=cb69e62578256a62 -L dependency=/opt/rustwide/target/debug/deps --extern ayaka_bindings_impl=/opt/rustwide/target/debug/deps/libayaka_bindings_impl-029beedffaebf109.so --extern ayaka_bindings_types=/opt/rustwide/target/debug/deps/libayaka_bindings_types-872296f339d68bcd.rmeta --extern ayaka_primitive=/opt/rustwide/target/debug/deps/libayaka_primitive-76897453f9b18678.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-73c3d2ee696ef0ff.rmeta --extern rmp_serde=/opt/rustwide/target/debug/deps/librmp_serde-70610e5854a03957.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-9a4484a74cb3648b.rmeta --extern vfs=/opt/rustwide/target/debug/deps/libvfs-6139508680bdc6c9.rmeta --cap-lints=warn --crate-version 0.2.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "df9f253f34fde7c8c98b1d4eb40ad213cb1ad2bdfc74ac24e60ed7d353dae6e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df9f253f34fde7c8c98b1d4eb40ad213cb1ad2bdfc74ac24e60ed7d353dae6e6", kill_on_drop: false }`
[INFO] [stdout] df9f253f34fde7c8c98b1d4eb40ad213cb1ad2bdfc74ac24e60ed7d353dae6e6
