[INFO] fetching crate runa-core 0.0.1-alpha1...
[INFO] testing runa-core-0.0.1-alpha1 against 1.75.0 for beta-1.76-1
[INFO] extracting crate runa-core 0.0.1-alpha1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate runa-core 0.0.1-alpha1 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-core 0.0.1-alpha1
[INFO] finished tweaking crates.io crate runa-core 0.0.1-alpha1
[INFO] tweaked toml for crates.io crate runa-core 0.0.1-alpha1 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-spec-parser v0.1.0
[INFO] [stderr]   Downloaded runa-wayland-scanner-codegen v0.1.0
[INFO] [stderr]   Downloaded runa-io-traits v0.0.1-alpha1
[INFO] [stderr]   Downloaded runa-wayland-scanner v0.1.0
[INFO] [stderr]   Downloaded runa-macros v0.0.1-alpha1
[INFO] [stderr]   Downloaded runa-wayland-scanner-macros v0.1.0
[INFO] [stderr]   Downloaded runa-wayland-types v0.1.0
[INFO] [stderr]   Downloaded runa-io v0.0.1-alpha1
[INFO] [stderr]   Downloaded runa-wayland-protocols 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] 3e0bfbbba410985796197cc550bdf197c110be1508c252e4cd2440b3120df3a7
[INFO] running `Command { std: "docker" "start" "-a" "3e0bfbbba410985796197cc550bdf197c110be1508c252e4cd2440b3120df3a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e0bfbbba410985796197cc550bdf197c110be1508c252e4cd2440b3120df3a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e0bfbbba410985796197cc550bdf197c110be1508c252e4cd2440b3120df3a7", kill_on_drop: false }`
[INFO] [stdout] 3e0bfbbba410985796197cc550bdf197c110be1508c252e4cd2440b3120df3a7
[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] 994ef1603e9e3d13ed79ef922f8d04f8cdef331d088bfd6488cb33fc3f8b3ac8
[INFO] running `Command { std: "docker" "start" "-a" "994ef1603e9e3d13ed79ef922f8d04f8cdef331d088bfd6488cb33fc3f8b3ac8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.75
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling parking v2.2.0
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling crossbeam-utils v0.8.18
[INFO] [stderr]    Compiling futures-io v0.3.30
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling fastrand v1.9.0
[INFO] [stderr]    Compiling waker-fn v1.1.1
[INFO] [stderr]    Compiling ahash v0.8.7
[INFO] [stderr]    Compiling zerocopy v0.7.32
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling getrandom v0.2.11
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]    Compiling quick-xml v0.28.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling futures-lite v2.1.0
[INFO] [stderr]    Compiling winnow v0.5.32
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling bitflags v2.4.1
[INFO] [stderr]    Compiling toml_datetime v0.6.5
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling futures-lite v1.13.0
[INFO] [stderr]    Compiling linkify v0.9.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling rustix v0.38.28
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling rust-format v0.3.4
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling fixed v1.24.0
[INFO] [stderr]    Compiling concurrent-queue v2.4.0
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling indexmap v2.1.0
[INFO] [stderr]    Compiling event-listener v4.0.2
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]    Compiling event-listener-strategy v0.4.0
[INFO] [stderr]    Compiling half v2.3.1
[INFO] [stderr]    Compiling async-lock v3.2.0
[INFO] [stderr]    Compiling fastrand v2.0.1
[INFO] [stderr]    Compiling bytemuck v1.14.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling linux-raw-sys v0.4.12
[INFO] [stderr]    Compiling rustix v0.37.27
[INFO] [stderr]    Compiling runa-io-traits v0.0.1-alpha1
[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] [stderr]    Compiling async-lock v2.8.0
[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" "994ef1603e9e3d13ed79ef922f8d04f8cdef331d088bfd6488cb33fc3f8b3ac8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "994ef1603e9e3d13ed79ef922f8d04f8cdef331d088bfd6488cb33fc3f8b3ac8", kill_on_drop: false }`
[INFO] [stdout] 994ef1603e9e3d13ed79ef922f8d04f8cdef331d088bfd6488cb33fc3f8b3ac8
