[INFO] fetching crate zoon 0.1.6... [INFO] testing zoon-0.1.6 against beta-2025-10-28 for beta-1.92-2 [INFO] extracting crate zoon 0.1.6 into /workspace/builds/worker-3-tc2/source [INFO] started tweaking crates.io crate zoon 0.1.6 [INFO] finished tweaking crates.io crate zoon 0.1.6 [INFO] tweaked toml for crates.io crate zoon 0.1.6 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate zoon 0.1.6 on toolchain beta-2025-10-28 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate zoon 0.1.6 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c1d19ad0808850636e2b09bdef8ffeac36c5ae3ac29f42b281425e6a3d0d4bcb [INFO] running `Command { std: "docker" "start" "-a" "c1d19ad0808850636e2b09bdef8ffeac36c5ae3ac29f42b281425e6a3d0d4bcb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c1d19ad0808850636e2b09bdef8ffeac36c5ae3ac29f42b281425e6a3d0d4bcb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c1d19ad0808850636e2b09bdef8ffeac36c5ae3ac29f42b281425e6a3d0d4bcb", kill_on_drop: false }` [INFO] [stdout] c1d19ad0808850636e2b09bdef8ffeac36c5ae3ac29f42b281425e6a3d0d4bcb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] be056b126a5d8049b5e83c95be8adbd477d8b7ab4fd45b3648956cf8322a5d46 [INFO] running `Command { std: "docker" "start" "-a" "be056b126a5d8049b5e83c95be8adbd477d8b7ab4fd45b3648956cf8322a5d46", kill_on_drop: false }` [INFO] [stderr] Compiling zoon v0.1.6 (/opt/rustwide/workdir) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/lib.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(never_type, const_trait_impl)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable const library feature `const_convert` [INFO] [stdout] --> src/state/state.rs:228:19 [INFO] [stdout] | [INFO] [stdout] 228 | impl const From for State { [INFO] [stdout] | ^^^^^^^ trait is not stable as const yet [INFO] [stdout] | [INFO] [stdout] = note: see issue #143773 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0554, E0658. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `zoon` (lib) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "be056b126a5d8049b5e83c95be8adbd477d8b7ab4fd45b3648956cf8322a5d46", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "be056b126a5d8049b5e83c95be8adbd477d8b7ab4fd45b3648956cf8322a5d46", kill_on_drop: false }` [INFO] [stdout] be056b126a5d8049b5e83c95be8adbd477d8b7ab4fd45b3648956cf8322a5d46