[INFO] fetching crate unique-type 0.1.0...
[INFO] testing unique-type-0.1.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate unique-type 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] removed /workspace/builds/worker-4-tc2/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-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate unique-type 0.1.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5a064d2d0ec7546bedaa9c0abaeb10814f36ac4e3e54ae146cf9be31d469ba1b
[INFO] running `Command { std: "docker" "start" "-a" "5a064d2d0ec7546bedaa9c0abaeb10814f36ac4e3e54ae146cf9be31d469ba1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a064d2d0ec7546bedaa9c0abaeb10814f36ac4e3e54ae146cf9be31d469ba1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a064d2d0ec7546bedaa9c0abaeb10814f36ac4e3e54ae146cf9be31d469ba1b", kill_on_drop: false }`
[INFO] [stdout] 5a064d2d0ec7546bedaa9c0abaeb10814f36ac4e3e54ae146cf9be31d469ba1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 74ce2880b154f498b422b260918549c880592bf5ab91f9374beefa48196191fe
[INFO] running `Command { std: "docker" "start" "-a" "74ce2880b154f498b422b260918549c880592bf5ab91f9374beefa48196191fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling unique-type v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta 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] warning: the feature `const_type_id` has been stable since 1.91.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 60 | #![feature(const_type_id)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_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] 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 compile `unique-type` (lib) due to 3 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "74ce2880b154f498b422b260918549c880592bf5ab91f9374beefa48196191fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74ce2880b154f498b422b260918549c880592bf5ab91f9374beefa48196191fe", kill_on_drop: false }`
[INFO] [stdout] 74ce2880b154f498b422b260918549c880592bf5ab91f9374beefa48196191fe
