[INFO] fetching crate notation_midi 0.5.0...
[INFO] testing notation_midi-0.5.0 against 1.75.0 for beta-1.76-1
[INFO] extracting crate notation_midi 0.5.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate notation_midi 0.5.0 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate notation_midi 0.5.0
[INFO] finished tweaking crates.io crate notation_midi 0.5.0
[INFO] tweaked toml for crates.io crate notation_midi 0.5.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e3ae0a1a00f655d57b317688b1655dd60821ccf3adee6174844b69325f86242e
[INFO] running `Command { std: "docker" "start" "-a" "e3ae0a1a00f655d57b317688b1655dd60821ccf3adee6174844b69325f86242e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3ae0a1a00f655d57b317688b1655dd60821ccf3adee6174844b69325f86242e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3ae0a1a00f655d57b317688b1655dd60821ccf3adee6174844b69325f86242e", kill_on_drop: false }`
[INFO] [stdout] e3ae0a1a00f655d57b317688b1655dd60821ccf3adee6174844b69325f86242e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7acfc61c22239de357a3b0e9a22b4d535584c2dab6b66cb107130aec38724743
[INFO] running `Command { std: "docker" "start" "-a" "7acfc61c22239de357a3b0e9a22b4d535584c2dab6b66cb107130aec38724743", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.194
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling crossbeam-utils v0.8.18
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling parking v2.2.0
[INFO] [stderr]    Compiling ahash v0.7.7
[INFO] [stderr]    Compiling getrandom v0.2.11
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling futures-lite v2.1.0
[INFO] [stderr]    Compiling concurrent-queue v2.4.0
[INFO] [stderr]    Compiling downcast-rs v1.2.0
[INFO] [stderr]    Compiling event-listener v4.0.2
[INFO] [stderr]    Compiling async-task v4.7.0
[INFO] [stderr]    Compiling fastrand v1.9.0
[INFO] [stderr]    Compiling event-listener-strategy v0.4.0
[INFO] [stderr]    Compiling futures-io v0.3.30
[INFO] [stderr]    Compiling waker-fn v1.1.1
[INFO] [stderr]    Compiling async-lock v3.2.0
[INFO] [stderr]    Compiling event-listener v2.5.3
[INFO] [stderr]    Compiling fastrand v2.0.1
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling futures-lite v1.13.0
[INFO] [stderr]    Compiling async-channel v1.9.0
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling overload v0.1.1
[INFO] [stderr]    Compiling async-executor v1.8.0
[INFO] [stderr]    Compiling nu-ansi-term v0.46.0
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling thread_local v1.1.7
[INFO] [stderr]    Compiling bevy_tasks v0.6.0
[INFO] [stderr]    Compiling tracing-log v0.1.4
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling crossbeam-channel v0.5.10
[INFO] [stderr]    Compiling cty v0.2.2
[INFO] [stderr]    Compiling raw-window-handle v0.4.3
[INFO] [stderr]    Compiling nix v0.23.2
[INFO] [stderr]    Compiling cpal v0.13.5
[INFO] [stderr]    Compiling regex-automata v0.4.3
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling ogg v0.8.0
[INFO] [stderr]    Compiling cache-padded v1.3.0
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]    Compiling matchers v0.1.0
[INFO] [stderr]    Compiling regex v1.10.2
[INFO] [stderr]    Compiling ringbuf v0.2.8
[INFO] [stderr]    Compiling lewton v0.10.2
[INFO] [stderr]    Compiling fluidlite-sys v0.2.1
[INFO] [stderr]    Compiling core-error v0.0.0
[INFO] [stderr]    Compiling basedrop v0.1.2
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling atomic v0.5.3
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling memalloc v0.1.0
[INFO] [stderr]    Compiling alsa v0.6.0
[INFO] [stderr]    Compiling serde_derive v1.0.194
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling ascii v1.1.0
[INFO] [stderr]    Compiling fehler-macros v1.0.0
[INFO] [stderr]    Compiling num_enum_derive v0.5.11
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling midi-msg v0.3.0
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]    Compiling num_enum v0.5.11
[INFO] [stderr]    Compiling dmsort v1.0.2
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling alsa v0.4.3
[INFO] [stderr]    Compiling fehler v1.0.0
[INFO] [stderr]    Compiling cargo-manifest v0.2.9
[INFO] [stderr]    Compiling midir v0.7.0
[INFO] [stderr]    Compiling fluidlite v0.2.1
[INFO] [stderr]    Compiling helgoboss-midi v0.2.0
[INFO] [stderr]    Compiling bevy_macro_utils v0.6.0
[INFO] [stderr]    Compiling bevy_derive v0.6.0
[INFO] [stderr]    Compiling bevy_reflect_derive v0.6.0
[INFO] [stderr]    Compiling bevy_ecs_macros v0.6.0
[INFO] [stderr]    Compiling smallvec v1.11.2
[INFO] [stderr]    Compiling glam v0.20.5
[INFO] [stderr]    Compiling erased-serde v0.3.31
[INFO] [stderr]    Compiling ron v0.7.1
[INFO] [stderr]    Compiling tracing-subscriber v0.3.18
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling bevy_utils v0.6.0
[INFO] [stderr]    Compiling serde_arrays v0.1.0
[INFO] [stderr]    Compiling notation_core v0.5.0
[INFO] [stderr]    Compiling kira v0.5.3
[INFO] [stderr]    Compiling notation_fretted v0.5.0
[INFO] [stderr]    Compiling notation_guitar v0.5.0
[INFO] [stderr]    Compiling notation_proto v0.5.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/notation_proto-0.5.0/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(arc_new_cyclic)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `notation_proto` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "7acfc61c22239de357a3b0e9a22b4d535584c2dab6b66cb107130aec38724743", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7acfc61c22239de357a3b0e9a22b4d535584c2dab6b66cb107130aec38724743", kill_on_drop: false }`
[INFO] [stdout] 7acfc61c22239de357a3b0e9a22b4d535584c2dab6b66cb107130aec38724743
