[INFO] fetching crate composable-allocators 0.3.4... [INFO] testing composable-allocators-0.3.4 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate composable-allocators 0.3.4 into /workspace/builds/worker-1-tc2/source [INFO] started tweaking crates.io crate composable-allocators 0.3.4 [INFO] finished tweaking crates.io crate composable-allocators 0.3.4 [INFO] tweaked toml for crates.io crate composable-allocators 0.3.4 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate composable-allocators 0.3.4 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 composable-allocators 0.3.4 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] cd50d27bcc3faff96cb0e75e25aea0ce6c0fb14998c4183f172cfaab5df97e56 [INFO] running `Command { std: "docker" "start" "-a" "cd50d27bcc3faff96cb0e75e25aea0ce6c0fb14998c4183f172cfaab5df97e56", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cd50d27bcc3faff96cb0e75e25aea0ce6c0fb14998c4183f172cfaab5df97e56", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cd50d27bcc3faff96cb0e75e25aea0ce6c0fb14998c4183f172cfaab5df97e56", kill_on_drop: false }` [INFO] [stdout] cd50d27bcc3faff96cb0e75e25aea0ce6c0fb14998c4183f172cfaab5df97e56 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 6194f8b9ed99c494c70779334d4269902849cd0f16862c57659e717b41cfaaa4 [INFO] running `Command { std: "docker" "start" "-a" "6194f8b9ed99c494c70779334d4269902849cd0f16862c57659e717b41cfaaa4", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.172 [INFO] [stderr] Compiling cc v1.2.25 [INFO] [stderr] Compiling litrs v0.4.1 [INFO] [stderr] Compiling hashbrown v0.15.3 [INFO] [stderr] Compiling toml_datetime v0.6.9 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling once_cell v1.21.3 [INFO] [stderr] Compiling const-default v1.0.0 [INFO] [stderr] Compiling document-features v0.2.11 [INFO] [stderr] Compiling panicking v0.5.0 [INFO] [stderr] Compiling indexmap v2.9.0 [INFO] [stderr] Compiling sync-no-std v0.1.3 [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-0.1.3/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-0.1.3/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-0.1.3/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-0.1.3/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] 41 | 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] [stderr] Compiling errno-sys v0.2.0 [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" "6194f8b9ed99c494c70779334d4269902849cd0f16862c57659e717b41cfaaa4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6194f8b9ed99c494c70779334d4269902849cd0f16862c57659e717b41cfaaa4", kill_on_drop: false }` [INFO] [stdout] 6194f8b9ed99c494c70779334d4269902849cd0f16862c57659e717b41cfaaa4