[INFO] fetching crate oom-safe 0.2.1...
[INFO] testing oom-safe-0.2.1 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate oom-safe 0.2.1 into /workspace/builds/worker-2-tc2/source
[INFO] removed /workspace/builds/worker-2-tc2/source/rust-toolchain
[INFO] started tweaking crates.io crate oom-safe 0.2.1
[INFO] finished tweaking crates.io crate oom-safe 0.2.1
[INFO] tweaked toml for crates.io crate oom-safe 0.2.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate oom-safe 0.2.1 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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-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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 66dc3d1d74bca9efa5d0e5cd90d2b7ce135285b648f5c7e01933272b6b810e6b
[INFO] running `Command { std: "docker" "start" "-a" "66dc3d1d74bca9efa5d0e5cd90d2b7ce135285b648f5c7e01933272b6b810e6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66dc3d1d74bca9efa5d0e5cd90d2b7ce135285b648f5c7e01933272b6b810e6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66dc3d1d74bca9efa5d0e5cd90d2b7ce135285b648f5c7e01933272b6b810e6b", kill_on_drop: false }`
[INFO] [stdout] 66dc3d1d74bca9efa5d0e5cd90d2b7ce135285b648f5c7e01933272b6b810e6b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 23f6de253bd645d4f25d6ce3890a0f77103a1ab19d3e95b01201e990a29cf80c
[INFO] running `Command { std: "docker" "start" "-a" "23f6de253bd645d4f25d6ce3890a0f77103a1ab19d3e95b01201e990a29cf80c", kill_on_drop: false }`
[INFO] [stderr]    Compiling oom-safe v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![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]  --> src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(alloc_error_hook)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(try_reserve_kind)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `std::panic::PanicInfo`: use `PanicHookInfo` instead
[INFO] [stdout]  --> src/oom.rs:5:18
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::panic::{PanicInfo, UnwindSafe};
[INFO] [stdout]   |                  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `std::panic::PanicInfo`: use `PanicHookInfo` instead
[INFO] [stdout]   --> src/oom.rs:12:30
[INFO] [stdout]    |
[INFO] [stdout] 12 | type PanicHook = Box<dyn Fn(&PanicInfo<'_>) + 'static + Sync + Send>;
[INFO] [stdout]    |                              ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `std::panic::PanicInfo`: use `PanicHookInfo` instead
[INFO] [stdout]   --> src/oom.rs:14:28
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn panic_hook(panic_info: &PanicInfo<'_>) {
[INFO] [stdout]    |                            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `oom-safe` (lib) due to 3 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "23f6de253bd645d4f25d6ce3890a0f77103a1ab19d3e95b01201e990a29cf80c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23f6de253bd645d4f25d6ce3890a0f77103a1ab19d3e95b01201e990a29cf80c", kill_on_drop: false }`
[INFO] [stdout] 23f6de253bd645d4f25d6ce3890a0f77103a1ab19d3e95b01201e990a29cf80c