[INFO] fetching crate xsynth-render 0.3.4...
[INFO] testing xsynth-render-0.3.4 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate xsynth-render 0.3.4 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate xsynth-render 0.3.4
[INFO] finished tweaking crates.io crate xsynth-render 0.3.4
[INFO] tweaked toml for crates.io crate xsynth-render 0.3.4 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate xsynth-render 0.3.4 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] crate crates.io crate xsynth-render 0.3.4 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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 6e457a2d5f5a29e00bb0b1111c8ac6f674ac6971deff622b3ac5ff695261d5b2
[INFO] running `Command { std: "docker" "start" "-a" "6e457a2d5f5a29e00bb0b1111c8ac6f674ac6971deff622b3ac5ff695261d5b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e457a2d5f5a29e00bb0b1111c8ac6f674ac6971deff622b3ac5ff695261d5b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e457a2d5f5a29e00bb0b1111c8ac6f674ac6971deff622b3ac5ff695261d5b2", kill_on_drop: false }`
[INFO] [stdout] 6e457a2d5f5a29e00bb0b1111c8ac6f674ac6971deff622b3ac5ff695261d5b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 0ee1e77be7407b23107f79bf16897fb2fd163830c7b3a4620e23e98fdf664110
[INFO] running `Command { std: "docker" "start" "-a" "0ee1e77be7407b23107f79bf16897fb2fd163830c7b3a4620e23e98fdf664110", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling arrayvec v0.7.2
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling bytemuck v1.16.3
[INFO] [stderr]    Compiling encoding_rs v0.8.34
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling memchr v2.6.4
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling symphonia-core v0.5.4
[INFO] [stderr]    Compiling rustfft v6.2.0
[INFO] [stderr]    Compiling strength_reduce v0.2.4
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.72
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling aho-corasick v1.0.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling symphonia-metadata v0.5.4
[INFO] [stderr]    Compiling transpose v0.2.3
[INFO] [stderr]    Compiling primal-check v0.3.3
[INFO] [stderr]    Compiling symphonia-utils-xiph v0.5.4
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling num-complex v0.4.5
[INFO] [stderr]    Compiling regex-automata v0.4.3
[INFO] [stderr]    Compiling paste v1.0.12
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling libm v0.1.4
[INFO] [stderr]    Compiling anstyle-parse v0.2.5
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling crossbeam-channel v0.5.13
[INFO] [stderr]    Compiling colorchoice v1.0.2
[INFO] [stderr]    Compiling once_cell v1.17.1
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling regex-bnf-macro v0.1.1
[INFO] [stderr]    Compiling anstyle-query v1.1.1
[INFO] [stderr]    Compiling anstyle v1.0.8
[INFO] [stderr]    Compiling extended v0.1.0
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling symphonia-format-riff v0.5.4
[INFO] [stderr]    Compiling anstream v0.6.15
[INFO] [stderr]    Compiling simdeez v2.0.0-dev3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling symphonia-format-ogg v0.5.4
[INFO] [stderr]    Compiling regex v1.10.2
[INFO] [stderr]    Compiling symphonia-bundle-flac v0.5.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]    Compiling symphonia-codec-vorbis v0.5.4
[INFO] [stderr]    Compiling symphonia-format-mkv v0.5.4
[INFO] [stderr]    Compiling symphonia-codec-pcm v0.5.4
[INFO] [stderr]    Compiling symphonia-codec-adpcm v0.5.4
[INFO] [stderr]    Compiling encoding_rs_io v0.1.7
[INFO] [stderr]    Compiling clap_lex v0.7.2
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling soundfont v0.1.0
[INFO] [stderr]    Compiling clap_builder v4.5.15
[INFO] [stderr]    Compiling thiserror v1.0.63
[INFO] [stderr]    Compiling regex-bnf v0.1.2
[INFO] [stderr]    Compiling midi-toolkit-rs-derive v0.1.0
[INFO] [stderr]    Compiling symphonia v0.5.4
[INFO] [stderr]    Compiling biquad v0.4.2
[INFO] [stderr]    Compiling crossbeam-queue v0.3.11
[INFO] [stderr]    Compiling atomic_refcell v0.1.13
[INFO] [stderr]    Compiling to_vec v0.1.0
[INFO] [stderr]    Compiling spin_sleep v1.2.1
[INFO] [stderr]    Compiling crossbeam v0.8.4
[INFO] [stderr]    Compiling hound v3.5.1
[INFO] [stderr]    Compiling atomic_float v1.0.0
[INFO] [stderr]    Compiling lazy-regex-proc_macros v3.2.0
[INFO] [stderr]    Compiling realfft v3.3.0
[INFO] [stderr]    Compiling rubato v0.15.0
[INFO] [stderr]    Compiling midi-toolkit-rs v0.1.0
[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/midi-toolkit-rs-0.1.0/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(coroutines)]
[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/midi-toolkit-rs-0.1.0/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(coroutine_trait)]
[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/midi-toolkit-rs-0.1.0/src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(associated_type_defaults)]
[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/midi-toolkit-rs-0.1.0/src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(type_alias_impl_trait)]
[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/midi-toolkit-rs-0.1.0/src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(impl_trait_in_assoc_type)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling lazy-regex v3.2.0
[INFO] [stderr]    Compiling xsynth-soundfonts v0.3.4
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `midi-toolkit-rs` (lib) due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "0ee1e77be7407b23107f79bf16897fb2fd163830c7b3a4620e23e98fdf664110", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ee1e77be7407b23107f79bf16897fb2fd163830c7b3a4620e23e98fdf664110", kill_on_drop: false }`
[INFO] [stdout] 0ee1e77be7407b23107f79bf16897fb2fd163830c7b3a4620e23e98fdf664110
