[INFO] fetching crate components-arena 4.2.2... [INFO] testing components-arena-4.2.2 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate components-arena 4.2.2 into /workspace/builds/worker-0-tc2/source [INFO] started tweaking crates.io crate components-arena 4.2.2 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate components-arena 4.2.2 [INFO] tweaked toml for crates.io crate components-arena 4.2.2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate components-arena 4.2.2 on toolchain beta-2025-09-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate components-arena 4.2.2 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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3e7217edac8baa606c92826a17c78258d48c6b2013066b6a88dfacd47ac30c3d [INFO] running `Command { std: "docker" "start" "-a" "3e7217edac8baa606c92826a17c78258d48c6b2013066b6a88dfacd47ac30c3d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3e7217edac8baa606c92826a17c78258d48c6b2013066b6a88dfacd47ac30c3d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3e7217edac8baa606c92826a17c78258d48c6b2013066b6a88dfacd47ac30c3d", kill_on_drop: false }` [INFO] [stdout] 3e7217edac8baa606c92826a17c78258d48c6b2013066b6a88dfacd47ac30c3d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 834c486778e5859e8dfc19bdbd8218b696b126f3e0650a3e6c867c18ea223c6d [INFO] running `Command { std: "docker" "start" "-a" "834c486778e5859e8dfc19bdbd8218b696b126f3e0650a3e6c867c18ea223c6d", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling unicode-ident v1.0.13 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling libc v0.2.158 [INFO] [stderr] Compiling document-features v0.2.10 [INFO] [stderr] Compiling indexmap v2.5.0 [INFO] [stderr] Compiling toml_datetime v0.6.8 [INFO] [stderr] Compiling once_cell v1.19.0 [INFO] [stderr] Compiling const-default v1.0.0 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling generics v0.5.3 [INFO] [stderr] Compiling components-arena-traits v1.2.0 [INFO] [stderr] Compiling either v1.13.0 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling panicking v0.5.0 [INFO] [stderr] Compiling toml_edit v0.19.15 [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Compiling sync-no-std v0.1.2 [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/sync-no-std-0.1.2/src/lib.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(allocator_api)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/sync-no-std-0.1.2/src/lib.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(negative_impls)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/sync-no-std-0.1.2/src/lib.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | #![feature(never_type)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/sync-no-std-0.1.2/src/lazy_box.rs:54:37 [INFO] [stdout] | [INFO] [stdout] 54 | let new_ptr = Box::into_raw(T::init(self.allocator.clone())); [INFO] [stdout] | ------------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `Box<_>`, found `Box::Allocator>` [INFO] [stdout] | | [INFO] [stdout] | arguments to this function are incorrect [INFO] [stdout] | [INFO] [stdout] = note: expected struct `Box<_, alloc::alloc::Global>` [INFO] [stdout] found struct `Box::Allocator>` [INFO] [stdout] note: associated function defined here [INFO] [stdout] --> /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:1152:12 [INFO] [stdout] help: consider constraining the associated type `::Allocator` to `alloc::alloc::Global` [INFO] [stdout] | [INFO] [stdout] 40 | impl> LazyBox { [INFO] [stdout] | ++++++++++++++++++++++++++++++++++ [INFO] [stdout] help: call `Into::into` on this expression to convert `Box::Allocator>` into `Box<_>` [INFO] [stdout] | [INFO] [stdout] 54 | let new_ptr = Box::into_raw(T::init(self.allocator.clone()).into()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0308, E0554. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stderr] error: could not compile `sync-no-std` (lib) due to 4 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "834c486778e5859e8dfc19bdbd8218b696b126f3e0650a3e6c867c18ea223c6d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "834c486778e5859e8dfc19bdbd8218b696b126f3e0650a3e6c867c18ea223c6d", kill_on_drop: false }` [INFO] [stdout] 834c486778e5859e8dfc19bdbd8218b696b126f3e0650a3e6c867c18ea223c6d