[INFO] fetching crate runa-wayland-scanner 0.1.0...
[INFO] testing runa-wayland-scanner-0.1.0 against 1.75.0 for beta-1.76-1
[INFO] extracting crate runa-wayland-scanner 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate runa-wayland-scanner 0.1.0 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 runa-wayland-scanner 0.1.0
[INFO] finished tweaking crates.io crate runa-wayland-scanner 0.1.0
[INFO] tweaked toml for crates.io crate runa-wayland-scanner 0.1.0 written to /workspace/builds/worker-2-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]     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]  Downloading crates ...
[INFO] [stderr]   Downloaded runa-wayland-scanner-macros v0.1.0
[INFO] [stderr]   Downloaded runa-io-traits v0.0.1-alpha1
[INFO] [stderr]   Downloaded rust-format v0.3.4
[INFO] [stderr]   Downloaded runa-wayland-spec-parser v0.1.0
[INFO] [stderr]   Downloaded linkify v0.9.0
[INFO] [stderr]   Downloaded runa-wayland-scanner-codegen v0.1.0
[INFO] [stderr]   Downloaded runa-wayland-types v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 6f9df44a8a70a9fa46fb9e37c3a7a5bffdcf80c90b22b4a0bc6470e289e6ebc1
[INFO] running `Command { std: "docker" "start" "-a" "6f9df44a8a70a9fa46fb9e37c3a7a5bffdcf80c90b22b4a0bc6470e289e6ebc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f9df44a8a70a9fa46fb9e37c3a7a5bffdcf80c90b22b4a0bc6470e289e6ebc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f9df44a8a70a9fa46fb9e37c3a7a5bffdcf80c90b22b4a0bc6470e289e6ebc1", kill_on_drop: false }`
[INFO] [stdout] 6f9df44a8a70a9fa46fb9e37c3a7a5bffdcf80c90b22b4a0bc6470e289e6ebc1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 869024470da0841cedffe0a9818730349dc3dcc5402865611bf354b59e6fbf60
[INFO] running `Command { std: "docker" "start" "-a" "869024470da0841cedffe0a9818730349dc3dcc5402865611bf354b59e6fbf60", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.75
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling zerocopy v0.7.32
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling toml_datetime v0.6.5
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling ahash v0.8.7
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]    Compiling quick-xml v0.28.2
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling linkify v0.9.0
[INFO] [stderr]    Compiling fixed v1.24.0
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling half v2.3.1
[INFO] [stderr]    Compiling futures-io v0.3.30
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling bytemuck v1.14.0
[INFO] [stderr]    Compiling fastrand v1.9.0
[INFO] [stderr]    Compiling waker-fn v1.1.1
[INFO] [stderr]    Compiling parking v2.2.0
[INFO] [stderr]    Compiling runa-io-traits v0.0.1-alpha1
[INFO] [stderr]    Compiling bitflags v2.4.1
[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/runa-io-traits-0.0.1-alpha1/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(type_alias_impl_trait)]
[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 `runa-io-traits` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "869024470da0841cedffe0a9818730349dc3dcc5402865611bf354b59e6fbf60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "869024470da0841cedffe0a9818730349dc3dcc5402865611bf354b59e6fbf60", kill_on_drop: false }`
[INFO] [stdout] 869024470da0841cedffe0a9818730349dc3dcc5402865611bf354b59e6fbf60
