[INFO] fetching crate xsynth-core 0.4.0...
[INFO] testing xsynth-core-0.4.0 against 1.99.0-beta.8 for beta-1.100-2
[INFO] extracting crate xsynth-core 0.4.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate xsynth-core 0.4.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate xsynth-core 0.4.0
[INFO] tweaked toml for crates.io crate xsynth-core 0.4.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate xsynth-core 0.4.0 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate xsynth-core 0.4.0 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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded xsynth-soundfonts v0.4.0
[INFO] [stderr]   Downloaded rubato v0.15.0
[INFO] [stderr]   Downloaded transpose v0.2.3
[INFO] [stderr]   Downloaded simdeez v3.0.1
[INFO] [stderr]   Downloaded realfft v3.5.0
[INFO] [stderr]   Downloaded lazy-regex-proc_macros v3.6.0
[INFO] [stderr]   Downloaded symphonia-utils-xiph v0.5.5
[INFO] [stderr]   Downloaded extended v0.1.0
[INFO] [stderr]   Downloaded symphonia v0.5.5
[INFO] [stderr]   Downloaded primal-check v0.3.4
[INFO] [stderr]   Downloaded regex-bnf v0.1.2
[INFO] [stderr]   Downloaded midi-toolkit-rs-derive v0.1.0
[INFO] [stderr]   Downloaded symphonia-codec-vorbis v0.5.5
[INFO] [stderr]   Downloaded spin_sleep v1.3.3
[INFO] [stderr]   Downloaded biquad v0.4.2
[INFO] [stderr]   Downloaded soundfont v0.1.0
[INFO] [stderr]   Downloaded lazy-regex v3.6.0
[INFO] [stderr]   Downloaded symphonia-codec-pcm v0.5.5
[INFO] [stderr]   Downloaded symphonia-codec-adpcm v0.5.5
[INFO] [stderr]   Downloaded regex-bnf-macro v0.1.1
[INFO] [stderr]   Downloaded symphonia-metadata v0.5.5
[INFO] [stderr]   Downloaded symphonia-format-riff v0.5.5
[INFO] [stderr]   Downloaded symphonia-format-ogg v0.5.5
[INFO] [stderr]   Downloaded symphonia-format-mkv v0.5.5
[INFO] [stderr]   Downloaded symphonia-bundle-flac v0.5.5
[INFO] [stderr]   Downloaded midi-toolkit-rs v0.1.0
[INFO] [stderr]   Downloaded encoding_rs_io v0.1.7
[INFO] [stderr]   Downloaded symphonia-core v0.5.5
[INFO] [stderr]   Downloaded libm v0.1.4
[INFO] [stderr]   Downloaded atomic_refcell v0.1.13
[INFO] [stderr]   Downloaded rustfft v6.4.1
[INFO] [stderr]   Downloaded to_vec v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 6e9e5b900520051d3175c1f67749077bfa6e1bcf4a304d24a4b6159b0d501c5d
[INFO] running `Command { std: "docker" "start" "6e9e5b900520051d3175c1f67749077bfa6e1bcf4a304d24a4b6159b0d501c5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e9e5b900520051d3175c1f67749077bfa6e1bcf4a304d24a4b6159b0d501c5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6e9e5b900520051d3175c1f67749077bfa6e1bcf4a304d24a4b6159b0d501c5d" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e9e5b900520051d3175c1f67749077bfa6e1bcf4a304d24a4b6159b0d501c5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6e9e5b900520051d3175c1f67749077bfa6e1bcf4a304d24a4b6159b0d501c5d" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling unicode-ident v1.0.24
[INFO] [stderr]    Compiling arrayvec v0.7.6
[INFO] [stderr]    Compiling bytemuck v1.25.0
[INFO] [stderr]    Compiling strength_reduce v0.2.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling encoding_rs v0.8.35
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling libm v0.1.4
[INFO] [stderr]    Compiling extended v0.1.0
[INFO] [stderr]    Compiling soundfont v0.1.0
[INFO] [stderr]    Compiling simdeez v3.0.1
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling atomic_refcell v0.1.13
[INFO] [stderr]    Compiling to_vec v0.1.0
[INFO] [stderr]    Compiling spin_sleep v1.3.3
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling symphonia-core v0.5.5
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling biquad v0.4.2
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling primal-check v0.3.4
[INFO] [stderr]    Compiling transpose v0.2.3
[INFO] [stderr]    Compiling encoding_rs_io v0.1.7
[INFO] [stderr]    Compiling rustfft v6.4.1
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling symphonia-metadata v0.5.5
[INFO] [stderr]    Compiling symphonia-codec-adpcm v0.5.5
[INFO] [stderr]    Compiling symphonia-codec-pcm v0.5.5
[INFO] [stderr]    Compiling symphonia-utils-xiph v0.5.5
[INFO] [stderr]    Compiling symphonia-format-riff v0.5.5
[INFO] [stderr]    Compiling symphonia-format-ogg v0.5.5
[INFO] [stderr]    Compiling symphonia-codec-vorbis v0.5.5
[INFO] [stderr]    Compiling symphonia-format-mkv v0.5.5
[INFO] [stderr]    Compiling symphonia-bundle-flac v0.5.5
[INFO] [stderr]    Compiling regex-bnf-macro v0.1.1
[INFO] [stderr]    Compiling symphonia v0.5.5
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling lazy-regex-proc_macros v3.6.0
[INFO] [stderr]    Compiling lazy-regex v3.6.0
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling regex-bnf v0.1.2
[INFO] [stderr]    Compiling realfft v3.5.0
[INFO] [stderr]    Compiling rubato v0.15.0
[INFO] [stderr]    Compiling xsynth-soundfonts v0.4.0
[INFO] [stderr]    Compiling xsynth-core v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.38s
[INFO] running `Command { std: "docker" "inspect" "6e9e5b900520051d3175c1f67749077bfa6e1bcf4a304d24a4b6159b0d501c5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6e9e5b900520051d3175c1f67749077bfa6e1bcf4a304d24a4b6159b0d501c5d" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling zerocopy v0.8.48
[INFO] [stderr]    Compiling libc v0.2.184
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling zerocopy-derive v0.8.48
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling plotters-backend v0.3.7
[INFO] [stderr]    Compiling ciborium-io v0.2.2
[INFO] [stderr]    Compiling clap_builder v4.6.0
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling anes v0.1.6
[INFO] [stderr]    Compiling oorandom v11.1.5
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling plotters-svg v0.3.7
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling midi-toolkit-rs-derive v0.1.0
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling is-terminal v0.4.17
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling clap v4.6.0
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling midi-toolkit-rs v0.1.0
[INFO] [stderr]    Compiling xsynth-core v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[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/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] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `midi-toolkit-rs` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "6e9e5b900520051d3175c1f67749077bfa6e1bcf4a304d24a4b6159b0d501c5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e9e5b900520051d3175c1f67749077bfa6e1bcf4a304d24a4b6159b0d501c5d", kill_on_drop: false }`
[INFO] [stdout] 6e9e5b900520051d3175c1f67749077bfa6e1bcf4a304d24a4b6159b0d501c5d
