[INFO] fetching crate vexide-startup 0.5.0-alpha.2...
[INFO] testing vexide-startup-0.5.0-alpha.2 against 1.91.0 for beta-1.92-2
[INFO] extracting crate vexide-startup 0.5.0-alpha.2 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate vexide-startup 0.5.0-alpha.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate vexide-startup 0.5.0-alpha.2
[INFO] tweaked toml for crates.io crate vexide-startup 0.5.0-alpha.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate vexide-startup 0.5.0-alpha.2 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate vexide-startup 0.5.0-alpha.2 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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded smart-leds-trait v0.3.1
[INFO] [stderr]   Downloaded vex-sdk v0.27.1
[INFO] [stderr]   Downloaded vex-libunwind v0.3.0
[INFO] [stderr]   Downloaded vex-sdk-mock v0.0.1
[INFO] [stderr]   Downloaded compile-time v0.2.0
[INFO] [stderr]   Downloaded vex-sdk-vexcode v0.0.1
[INFO] [stderr]   Downloaded rgb v0.8.51
[INFO] [stderr]   Downloaded vex-libunwind-sys v0.1.1
[INFO] [stderr]   Downloaded cookie_store v0.22.0
[INFO] [stderr]   Downloaded bzip2 v0.6.0
[INFO] [stderr]   Downloaded pbkdf2 v0.12.2
[INFO] [stderr]   Downloaded ureq-proto v0.5.2
[INFO] [stderr]   Downloaded vexide-devices v0.8.0-alpha.2
[INFO] [stderr]   Downloaded indexmap v2.11.1
[INFO] [stderr]   Downloaded zip v4.6.1
[INFO] [stderr]   Downloaded ureq v3.1.2
[INFO] [stderr]   Downloaded libbz2-rs-sys v0.2.2
[INFO] [stderr]   Downloaded libz-rs-sys v0.5.2
[INFO] [stderr]   Downloaded talc v4.4.3
[INFO] [stderr]   Downloaded zlib-rs v0.5.2
[INFO] [stderr]   Downloaded liblzma v0.4.4
[INFO] [stderr]   Downloaded zopfli v0.8.2
[INFO] [stderr]   Downloaded webpki-roots v1.0.2
[INFO] [stderr]   Downloaded snafu v0.8.6
[INFO] [stderr]   Downloaded ppmd-rust v1.2.1
[INFO] [stderr]   Downloaded snafu-derive v0.8.6
[INFO] [stderr]   Downloaded vex-sdk-jumptable v0.0.2
[INFO] [stderr]   Downloaded deflate64 v0.1.9
[INFO] [stderr]   Downloaded vexide-core v0.8.0-alpha.2
[INFO] [stderr]   Downloaded vex-sdk-pros v0.0.1
[INFO] [stderr]   Downloaded liblzma-sys v0.4.4
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0440c626baf6c91f9e97bf77070b96563725687fb72bb7f441e6cde6962198a5
[INFO] running `Command { std: "docker" "start" "-a" "0440c626baf6c91f9e97bf77070b96563725687fb72bb7f441e6cde6962198a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0440c626baf6c91f9e97bf77070b96563725687fb72bb7f441e6cde6962198a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0440c626baf6c91f9e97bf77070b96563725687fb72bb7f441e6cde6962198a5", kill_on_drop: false }`
[INFO] [stdout] 0440c626baf6c91f9e97bf77070b96563725687fb72bb7f441e6cde6962198a5
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a9948140ba6599f3865b2d4a02dfd913cee8a3a5214aac88d224e7e96c47c4e
[INFO] running `Command { std: "docker" "start" "-a" "7a9948140ba6599f3865b2d4a02dfd913cee8a3a5214aac88d224e7e96c47c4e", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-conv v0.1.0
[INFO] [stderr]    Compiling time-core v0.1.4
[INFO] [stderr]    Compiling powerfmt v0.2.0
[INFO] [stderr]    Compiling vex-sdk v0.27.1
[INFO] [stderr]    Compiling vexide-startup v0.5.0-alpha.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling time-macros v0.2.22
[INFO] [stderr]    Compiling deranged v0.4.0
[INFO] [stderr]    Compiling time v0.3.41
[INFO] [stderr]    Compiling compile-time v0.2.0
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling pin-project v1.1.10
[INFO] [stderr]    Compiling vexide-core v0.8.0-alpha.2
[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-1949cf8c6b5b557f/vexide-core-0.8.0-alpha.2/src/lib.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | #![feature(never_type)]
[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 `vexide-core` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "7a9948140ba6599f3865b2d4a02dfd913cee8a3a5214aac88d224e7e96c47c4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a9948140ba6599f3865b2d4a02dfd913cee8a3a5214aac88d224e7e96c47c4e", kill_on_drop: false }`
[INFO] [stdout] 7a9948140ba6599f3865b2d4a02dfd913cee8a3a5214aac88d224e7e96c47c4e