[INFO] fetching crate sparta 0.1.1...
[INFO] documenting sparta-0.1.1 against 1.69.0 for beta-1.70-rustdoc-1
[INFO] extracting crate sparta 0.1.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate sparta 0.1.1 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sparta 0.1.1
[INFO] finished tweaking crates.io crate sparta 0.1.1
[INFO] tweaked toml for crates.io crate sparta 0.1.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+1.69.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sparta-proc-macros v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c1d82c59be72d2cc834c87d9d3eb8de0e87751132aa81da202c37d2e323d3cfe
[INFO] running `Command { std: "docker" "start" "-a" "c1d82c59be72d2cc834c87d9d3eb8de0e87751132aa81da202c37d2e323d3cfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c1d82c59be72d2cc834c87d9d3eb8de0e87751132aa81da202c37d2e323d3cfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1d82c59be72d2cc834c87d9d3eb8de0e87751132aa81da202c37d2e323d3cfe", kill_on_drop: false }`
[INFO] [stdout] c1d82c59be72d2cc834c87d9d3eb8de0e87751132aa81da202c37d2e323d3cfe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba864cc7d92724f645f35abcf095a4a135aab39c60261f1b800c1d65bdc658b3
[INFO] running `Command { std: "docker" "start" "-a" "ba864cc7d92724f645f35abcf095a4a135aab39c60261f1b800c1d65bdc658b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]     Checking fixedbitset v0.4.2
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]     Checking disjoint-sets v0.4.2
[INFO] [stderr]     Checking petgraph v0.6.3
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling sparta-proc-macros v0.1.0
[INFO] [stderr]  Documenting sparta v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | #![feature(generic_associated_types)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `generic_associated_types` has been stable since `1.65.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 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 `sparta`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name sparta src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=47010831b0b403a7 -L dependency=/opt/rustwide/target/debug/deps --extern disjoint_sets=/opt/rustwide/target/debug/deps/libdisjoint_sets-19c0505f2f17a20c.rmeta --extern petgraph=/opt/rustwide/target/debug/deps/libpetgraph-d8975d9d0730fccb.rmeta --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-d78872255a708660.rmeta --extern sparta_proc_macros=/opt/rustwide/target/debug/deps/libsparta_proc_macros-69dad4738f2b37c3.so --cap-lints=warn --crate-version 0.1.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "ba864cc7d92724f645f35abcf095a4a135aab39c60261f1b800c1d65bdc658b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba864cc7d92724f645f35abcf095a4a135aab39c60261f1b800c1d65bdc658b3", kill_on_drop: false }`
[INFO] [stdout] ba864cc7d92724f645f35abcf095a4a135aab39c60261f1b800c1d65bdc658b3
