[INFO] fetching crate mango-rt 0.2.1... [INFO] testing mango-rt-0.2.1 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate mango-rt 0.2.1 into /workspace/builds/worker-5-tc2/source [INFO] started tweaking crates.io crate mango-rt 0.2.1 [INFO] finished tweaking crates.io crate mango-rt 0.2.1 [INFO] tweaked toml for crates.io crate mango-rt 0.2.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate mango-rt 0.2.1 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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] Locking 35 packages to latest compatible versions [INFO] [stderr] Adding spin v0.9.8 (available: v0.10.0) [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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] bf383f06826f6b68422efd2fcf15903f763a6b2e9b496adfdb8c9dcac839bf75 [INFO] running `Command { std: "docker" "start" "-a" "bf383f06826f6b68422efd2fcf15903f763a6b2e9b496adfdb8c9dcac839bf75", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bf383f06826f6b68422efd2fcf15903f763a6b2e9b496adfdb8c9dcac839bf75", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bf383f06826f6b68422efd2fcf15903f763a6b2e9b496adfdb8c9dcac839bf75", kill_on_drop: false }` [INFO] [stdout] bf383f06826f6b68422efd2fcf15903f763a6b2e9b496adfdb8c9dcac839bf75 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] e5da8e5ea9d4222fd19c76d1191f65aada6eb684fbcb4f0162a6d55471f93800 [INFO] running `Command { std: "docker" "start" "-a" "e5da8e5ea9d4222fd19c76d1191f65aada6eb684fbcb4f0162a6d55471f93800", kill_on_drop: false }` [INFO] [stderr] Compiling futures-sink v0.3.31 [INFO] [stderr] Compiling crossbeam-utils v0.8.21 [INFO] [stderr] Compiling futures-core v0.3.31 [INFO] [stderr] Compiling x86 v0.52.0 [INFO] [stderr] Compiling spin v0.9.8 [INFO] [stderr] Compiling raw-cpuid v10.7.0 [INFO] [stderr] Compiling bit_field v0.10.3 [INFO] [stderr] Compiling futures-task v0.3.31 [INFO] [stderr] Compiling spinning_top v0.2.5 [INFO] [stderr] Compiling conquer-util v0.3.0 [INFO] [stderr] Compiling bitflags v2.9.4 [INFO] [stderr] Compiling lazy_static v1.5.0 [INFO] [stderr] Compiling mango-core v0.2.1 [INFO] [stderr] Compiling conquer-once v0.4.0 [INFO] [stderr] Compiling futures-channel v0.3.31 [INFO] [stderr] Compiling linked_list_allocator v0.10.5 [INFO] [stderr] Compiling futures-util v0.3.31 [INFO] [stderr] Compiling volatile v0.3.0 [INFO] [stderr] Compiling futures-io v0.3.31 [INFO] [stderr] Compiling crossbeam-queue v0.3.12 [INFO] [stderr] Compiling uart_16550 v0.3.2 [INFO] [stderr] Compiling futures v0.3.31 [INFO] [stderr] Compiling mango-hal v0.2.1 [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/mango-hal-0.2.1/src/lib.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(abi_x86_interrupt)] [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/mango-hal-0.2.1/src/lib.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | #![feature(alloc_error_handler)] [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/mango-hal-0.2.1/src/lib.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 | #![feature(const_mut_refs)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute [INFO] [stdout] | [INFO] [stdout] = help: the feature `const_mut_refs` has been stable since `1.83.0` and no longer requires an attribute to enable [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/mango-hal-0.2.1/src/lib.rs:6:1 [INFO] [stdout] | [INFO] [stdout] 6 | #![feature(linkage)] [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/mango-hal-0.2.1/src/lib.rs:7:1 [INFO] [stdout] | [INFO] [stdout] 7 | #![feature(asm_const)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute [INFO] [stdout] | [INFO] [stdout] = help: the feature `asm_const` has been stable since `1.82.0` and no longer requires an attribute to enable [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/mango-hal-0.2.1/src/lib.rs:8:1 [INFO] [stdout] | [INFO] [stdout] 8 | #![feature(step_trait)] // TODO check if needed/will stabilize [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/mango-hal-0.2.1/src/lib.rs:9:1 [INFO] [stdout] | [INFO] [stdout] 9 | #![feature(const_option)] [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/mango-hal-0.2.1/src/lib.rs:10:1 [INFO] [stdout] | [INFO] [stdout] 10 | #![feature(generic_const_exprs)] [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/mango-hal-0.2.1/src/lib.rs:14:1 [INFO] [stdout] | [INFO] [stdout] 14 | #![feature(custom_test_frameworks)] [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 `mango-hal` (lib) due to 9 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "e5da8e5ea9d4222fd19c76d1191f65aada6eb684fbcb4f0162a6d55471f93800", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e5da8e5ea9d4222fd19c76d1191f65aada6eb684fbcb4f0162a6d55471f93800", kill_on_drop: false }` [INFO] [stdout] e5da8e5ea9d4222fd19c76d1191f65aada6eb684fbcb4f0162a6d55471f93800