[INFO] fetching crate vexide-async 0.2.0-alpha.2...
[INFO] testing vexide-async-0.2.0-alpha.2 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate vexide-async 0.2.0-alpha.2 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate vexide-async 0.2.0-alpha.2
[INFO] finished tweaking crates.io crate vexide-async 0.2.0-alpha.2
[INFO] tweaked toml for crates.io crate vexide-async 0.2.0-alpha.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate vexide-async 0.2.0-alpha.2 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] crate crates.io crate vexide-async 0.2.0-alpha.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-2025-10-28" "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] 11293d106b8db610ab31f892bdae8a87ab2959a25c31b2a194ed7f8a5f686868
[INFO] running `Command { std: "docker" "start" "-a" "11293d106b8db610ab31f892bdae8a87ab2959a25c31b2a194ed7f8a5f686868", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "11293d106b8db610ab31f892bdae8a87ab2959a25c31b2a194ed7f8a5f686868", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11293d106b8db610ab31f892bdae8a87ab2959a25c31b2a194ed7f8a5f686868", kill_on_drop: false }`
[INFO] [stdout] 11293d106b8db610ab31f892bdae8a87ab2959a25c31b2a194ed7f8a5f686868
[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] e80522a984ac8383f36109b57b4df80890e4f11ce724c81a41f1f8ca26418409
[INFO] running `Command { std: "docker" "start" "-a" "e80522a984ac8383f36109b57b4df80890e4f11ce724c81a41f1f8ca26418409", kill_on_drop: false }`
[INFO] [stderr]    Compiling waker-fn v1.2.0
[INFO] [stderr]    Compiling vex-sdk v0.27.1
[INFO] [stderr]    Compiling async-task v4.7.1
[INFO] [stderr]    Compiling vexide-async v0.2.0-alpha.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "e80522a984ac8383f36109b57b4df80890e4f11ce724c81a41f1f8ca26418409", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e80522a984ac8383f36109b57b4df80890e4f11ce724c81a41f1f8ca26418409", kill_on_drop: false }`
[INFO] [stdout] e80522a984ac8383f36109b57b4df80890e4f11ce724c81a41f1f8ca26418409
[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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 588a4856b6978d233a0cb427c073296bc98f2d0ee04acdfecbba9bd852643446
[INFO] running `Command { std: "docker" "start" "-a" "588a4856b6978d233a0cb427c073296bc98f2d0ee04acdfecbba9bd852643446", kill_on_drop: false }`
[INFO] [stderr]    Compiling vex-sdk-mock v0.0.1
[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/vex-sdk-mock-0.0.1/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(c_variadic)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `vex-sdk-mock` (lib) due to 1 previous error
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "588a4856b6978d233a0cb427c073296bc98f2d0ee04acdfecbba9bd852643446", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "588a4856b6978d233a0cb427c073296bc98f2d0ee04acdfecbba9bd852643446", kill_on_drop: false }`
[INFO] [stdout] 588a4856b6978d233a0cb427c073296bc98f2d0ee04acdfecbba9bd852643446