[INFO] fetching crate ruffbox_synth 0.12.0...
[INFO] testing ruffbox_synth-0.12.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate ruffbox_synth 0.12.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate ruffbox_synth 0.12.0
[INFO] finished tweaking crates.io crate ruffbox_synth 0.12.0
[INFO] tweaked toml for crates.io crate ruffbox_synth 0.12.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ruffbox_synth 0.12.0 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 ruffbox_synth 0.12.0 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] a9f3e66d96fe0495a15c468919dedb7839f0db8a5a8000436a47f0fe3900770a
[INFO] running `Command { std: "docker" "start" "-a" "a9f3e66d96fe0495a15c468919dedb7839f0db8a5a8000436a47f0fe3900770a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9f3e66d96fe0495a15c468919dedb7839f0db8a5a8000436a47f0fe3900770a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9f3e66d96fe0495a15c468919dedb7839f0db8a5a8000436a47f0fe3900770a", kill_on_drop: false }`
[INFO] [stdout] a9f3e66d96fe0495a15c468919dedb7839f0db8a5a8000436a47f0fe3900770a
[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] 6921f089c22aa0f1f587b5c9c23964837538be0409da4450b76b179502f41ebd
[INFO] running `Command { std: "docker" "start" "-a" "6921f089c22aa0f1f587b5c9c23964837538be0409da4450b76b179502f41ebd", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling strength_reduce v0.2.4
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling rustfft v6.3.0
[INFO] [stderr]    Compiling instant v0.1.13
[INFO] [stderr]    Compiling fastrand v1.9.0
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling dashmap v5.5.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling crossbeam-queue v0.3.12
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling transpose v0.2.3
[INFO] [stderr]    Compiling primal-check v0.3.4
[INFO] [stderr]    Compiling chfft v0.3.4
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling crossbeam v0.8.4
[INFO] [stderr]    Compiling realfft v2.0.1
[INFO] [stderr]    Compiling rubato v0.10.1
[INFO] [stderr]    Compiling ruffbox_synth v0.12.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.32s
[INFO] running `Command { std: "docker" "inspect" "6921f089c22aa0f1f587b5c9c23964837538be0409da4450b76b179502f41ebd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6921f089c22aa0f1f587b5c9c23964837538be0409da4450b76b179502f41ebd", kill_on_drop: false }`
[INFO] [stdout] 6921f089c22aa0f1f587b5c9c23964837538be0409da4450b76b179502f41ebd
[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] 30e02d95560cf4ad8b40a9e7d3052f5b37a285e3e5c71610bba5dd361a4e283d
[INFO] running `Command { std: "docker" "start" "-a" "30e02d95560cf4ad8b40a9e7d3052f5b37a285e3e5c71610bba5dd361a4e283d", kill_on_drop: false }`
[INFO] [stderr]    Compiling assert_approx_eq v1.1.0
[INFO] [stderr]    Compiling ruffbox_synth v0.12.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `assert_no_alloc`
[INFO] [stdout]     --> src/ruffbox.rs:1040:9
[INFO] [stdout]      |
[INFO] [stdout] 1040 |     use assert_no_alloc::*;
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `assert_no_alloc`
[INFO] [stdout]      |
[INFO] [stdout]      = help: if you wanted to use a crate named `assert_no_alloc`, use `cargo add assert_no_alloc` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ruffbox_synth` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "30e02d95560cf4ad8b40a9e7d3052f5b37a285e3e5c71610bba5dd361a4e283d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30e02d95560cf4ad8b40a9e7d3052f5b37a285e3e5c71610bba5dd361a4e283d", kill_on_drop: false }`
[INFO] [stdout] 30e02d95560cf4ad8b40a9e7d3052f5b37a285e3e5c71610bba5dd361a4e283d