[INFO] fetching crate rrt0 0.3.1...
[INFO] testing rrt0-0.3.1 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate rrt0 0.3.1 into /workspace/builds/worker-2-tc2/source
[INFO] removed /workspace/builds/worker-2-tc2/source/rust-toolchain
[INFO] started tweaking crates.io crate rrt0 0.3.1
[INFO] finished tweaking crates.io crate rrt0 0.3.1
[INFO] tweaked toml for crates.io crate rrt0 0.3.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rrt0 0.3.1 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 1 package to latest compatible version
[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] cba1bbb287603d68aca19d977b1c8e9f3e4acbb52c3a02196d7b0a8c3d35060c
[INFO] running `Command { std: "docker" "start" "-a" "cba1bbb287603d68aca19d977b1c8e9f3e4acbb52c3a02196d7b0a8c3d35060c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cba1bbb287603d68aca19d977b1c8e9f3e4acbb52c3a02196d7b0a8c3d35060c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cba1bbb287603d68aca19d977b1c8e9f3e4acbb52c3a02196d7b0a8c3d35060c", kill_on_drop: false }`
[INFO] [stdout] cba1bbb287603d68aca19d977b1c8e9f3e4acbb52c3a02196d7b0a8c3d35060c
[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] a8dff2cb2178b24f3fd5bd882548cc1be39896ec54be637c76d69e2537c7b2f3
[INFO] running `Command { std: "docker" "start" "-a" "a8dff2cb2178b24f3fd5bd882548cc1be39896ec54be637c76d69e2537c7b2f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]    Compiling rrt0 v0.3.1 (/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(core_intrinsics)]
[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:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(global_asm)]
[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:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(lang_items)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `lang_items` is internal to the compiler or standard library
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(lang_items)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: using it is strongly discouraged
[INFO] [stdout]   = note: `#[warn(internal_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `core_intrinsics` is internal to the compiler or standard library
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(core_intrinsics)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: using it is strongly discouraged
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `nintendo64`
[INFO] [stdout]  --> src/platforms.rs:1:26
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[cfg(any(unix, windows, target_vendor = "nintendo64"))]
[INFO] [stdout]   |                          ^^^^^^^^^^^^^^^^------------
[INFO] [stdout]   |                                          |
[INFO] [stdout]   |                                          help: there is a expected value with a similar name: `"nintendo"`
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected values for `target_vendor` are: `amd`, `apple`, `espressif`, `fortanix`, `ibm`, `kmc`, `mti`, `nintendo`, `nvidia`, `openwrt`, `pc`, `risc0`, `sony`, `sun`, `unikraft`, `unknown`, `uwp`, `vex`, `win7`, and `wrs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `nintendo64`
[INFO] [stdout]  --> src/platforms.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[cfg(target_vendor = "nintendo64")]
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^------------
[INFO] [stdout]   |                       |
[INFO] [stdout]   |                       help: there is a expected value with a similar name: `"nintendo"`
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected values for `target_vendor` are: `amd`, `apple`, `espressif`, `fortanix`, `ibm`, `kmc`, `mti`, `nintendo`, `nvidia`, `openwrt`, `pc`, `risc0`, `sony`, `sun`, `unikraft`, `unknown`, `uwp`, `vex`, `win7`, and `wrs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `global_asm` has been stable since 1.59.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(global_asm)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `#[no_mangle]` cannot be used on internal language items
[INFO] [stdout]   --> src/lib.rs:36:1
[INFO] [stdout]    |
[INFO] [stdout] 36 | #[no_mangle]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout] 37 | fn panic(_info: &PanicInfo<'_>) -> ! {
[INFO] [stdout]    | ------------------------------------ should be the internal language item
[INFO] [stdout]    |
[INFO] [stdout]    = note: Rustc requires this item to have a specific mangled name.
[INFO] [stdout]    = note: If you are trying to prevent mangling to ease debugging, many
[INFO] [stdout]    = note: debuggers support a command such as `rbreak rust_begin_unwind` to
[INFO] [stdout]    = note: match `.*rust_begin_unwind.*` instead of `break rust_begin_unwind` on a specific name
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `#[no_mangle]` cannot be used on internal language items
[INFO] [stdout]   --> src/lib.rs:44:1
[INFO] [stdout]    |
[INFO] [stdout] 44 | #[no_mangle]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout] 45 | extern "C" fn rust_eh_personality() {}
[INFO] [stdout]    | ----------------------------------- should be the internal language item
[INFO] [stdout]    |
[INFO] [stdout]    = note: Rustc requires this item to have a specific mangled name.
[INFO] [stdout]    = note: If you are trying to prevent mangling to ease debugging, many
[INFO] [stdout]    = note: debuggers support a command such as `rbreak rust_eh_personality` to
[INFO] [stdout]    = note: match `.*rust_eh_personality.*` instead of `break rust_eh_personality` on a specific name
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: lang item `start` function has wrong type
[INFO] [stdout]   --> src/lib.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | / extern "C" fn start<T>(user_main: *const (), _argc: isize, _argv: *const *const u8) -> !
[INFO] [stdout] 18 | | where
[INFO] [stdout] 19 | |     T: Termination,
[INFO] [stdout]    | |___________________^ expected "Rust" fn, found "C" fn
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected signature `fn(fn() -> T, isize, *const *const u8, u8) -> isize`
[INFO] [stdout]               found signature `extern "C" fn(*const (), isize, *const *const u8) -> !`
[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 `rrt0` (lib) due to 6 previous errors; 5 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "a8dff2cb2178b24f3fd5bd882548cc1be39896ec54be637c76d69e2537c7b2f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8dff2cb2178b24f3fd5bd882548cc1be39896ec54be637c76d69e2537c7b2f3", kill_on_drop: false }`
[INFO] [stdout] a8dff2cb2178b24f3fd5bd882548cc1be39896ec54be637c76d69e2537c7b2f3
