[INFO] fetching crate unique-type 0.1.0...
[INFO] documenting unique-type-0.1.0 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate unique-type 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate unique-type 0.1.0 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] removed /workspace/builds/worker-4-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate unique-type 0.1.0
[INFO] finished tweaking crates.io crate unique-type 0.1.0
[INFO] tweaked toml for crates.io crate unique-type 0.1.0 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" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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] 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" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 24b45940fe7332ecc65eb6fbfccbab4126db36e9652ba3af71cae80bc431cd4a
[INFO] running `Command { std: "docker" "start" "-a" "24b45940fe7332ecc65eb6fbfccbab4126db36e9652ba3af71cae80bc431cd4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24b45940fe7332ecc65eb6fbfccbab4126db36e9652ba3af71cae80bc431cd4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24b45940fe7332ecc65eb6fbfccbab4126db36e9652ba3af71cae80bc431cd4a", kill_on_drop: false }`
[INFO] [stdout] 24b45940fe7332ecc65eb6fbfccbab4126db36e9652ba3af71cae80bc431cd4a
[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" "+1.75.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8fdb5c988d976aae735696454cd0744b03041f928121af933e733fb1e7e58720
[INFO] running `Command { std: "docker" "start" "-a" "8fdb5c988d976aae735696454cd0744b03041f928121af933e733fb1e7e58720", kill_on_drop: false }`
[INFO] [stderr]  Documenting unique-type v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:59:1
[INFO] [stdout]    |
[INFO] [stdout] 59 | #![feature(adt_const_params)]
[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:60:1
[INFO] [stdout]    |
[INFO] [stdout] 60 | #![feature(const_type_id)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `adt_const_params` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]   --> src/lib.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 59 | #![feature(adt_const_params)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #95174 <https://github.com/rust-lang/rust/issues/95174> for more information
[INFO] [stdout]    = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0741]: `Set` must implement `ConstParamTy` to be used as the type of a const generic parameter
[INFO] [stdout]    --> src/lib.rs:123:30
[INFO] [stdout]     |
[INFO] [stdout] 123 | pub struct Template<const T: Set>(());
[INFO] [stdout]     |                              ^^^
[INFO] [stdout]     |
[INFO] [stdout] help: add `#[derive(ConstParamTy)]` to the struct
[INFO] [stdout]     |
[INFO] [stdout] 83  + #[derive(ConstParamTy)]
[INFO] [stdout] 84  | pub struct Set(TypeId);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0741]: `Set` must implement `ConstParamTy` to be used as the type of a const generic parameter
[INFO] [stdout]    --> src/lib.rs:125:15
[INFO] [stdout]     |
[INFO] [stdout] 125 | impl<const T: Set> pvt::Unique for Template<T> {}
[INFO] [stdout]     |               ^^^
[INFO] [stdout]     |
[INFO] [stdout] help: add `#[derive(ConstParamTy)]` to the struct
[INFO] [stdout]     |
[INFO] [stdout] 83  + #[derive(ConstParamTy)]
[INFO] [stdout] 84  | pub struct Set(TypeId);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0741.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `unique-type`
[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 unique_type src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=85977af90b292584 -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "8fdb5c988d976aae735696454cd0744b03041f928121af933e733fb1e7e58720", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fdb5c988d976aae735696454cd0744b03041f928121af933e733fb1e7e58720", kill_on_drop: false }`
[INFO] [stdout] 8fdb5c988d976aae735696454cd0744b03041f928121af933e733fb1e7e58720
