[INFO] fetching crate spooky_chess 1.1.0...
[INFO] testing spooky_chess-1.1.0 against 1.99.0-beta.8 for beta-1.100-2
[INFO] extracting crate spooky_chess 1.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate spooky_chess 1.1.0
[INFO] finished tweaking crates.io crate spooky_chess 1.1.0
[INFO] tweaked toml for crates.io crate spooky_chess 1.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate spooky_chess 1.1.0 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 spooky_chess 1.1.0 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]  Downloading crates ...
[INFO] [stderr]   Downloaded rstest v0.26.1
[INFO] [stderr]   Downloaded tree-sitter-language v0.1.7
[INFO] [stderr]   Downloaded streaming-iterator v0.1.9
[INFO] [stderr]   Downloaded chunked_transfer v1.5.0
[INFO] [stderr]   Downloaded pyo3-macros v0.28.3
[INFO] [stderr]   Downloaded tree-sitter-pgn v1.4.3
[INFO] [stderr]   Downloaded rand_core v0.10.0
[INFO] [stderr]   Downloaded serde_derive_internals v0.29.1
[INFO] [stderr]   Downloaded sse-stream v0.2.1
[INFO] [stderr]   Downloaded rmcp-macros v0.13.0
[INFO] [stderr]   Downloaded libredox v0.1.16
[INFO] [stderr]   Downloaded relative-path v1.9.3
[INFO] [stderr]   Downloaded ascii v1.1.0
[INFO] [stderr]   Downloaded schemars_derive v1.2.1
[INFO] [stderr]   Downloaded serde_path_to_error v0.1.20
[INFO] [stderr]   Downloaded tiny_http v0.12.0
[INFO] [stderr]   Downloaded pyo3-build-config v0.28.3
[INFO] [stderr]   Downloaded prettytable-rs v0.10.0
[INFO] [stderr]   Downloaded toml_edit v0.25.11+spec-1.1.0
[INFO] [stderr]   Downloaded numpy v0.28.0
[INFO] [stderr]   Downloaded portable-atomic-util v0.2.6
[INFO] [stderr]   Downloaded hotpath-macros v0.14.1
[INFO] [stderr]   Downloaded clap_derive v4.6.0
[INFO] [stderr]   Downloaded rstest_macros v0.26.1
[INFO] [stderr]   Downloaded pyo3-ffi v0.28.3
[INFO] [stderr]   Downloaded mach2 v0.6.0
[INFO] [stderr]   Downloaded eyre v0.6.12
[INFO] [stderr]   Downloaded pyo3-macros-backend v0.28.3
[INFO] [stderr]   Downloaded schemars v1.2.1
[INFO] [stderr]   Downloaded clap v4.6.0
[INFO] [stderr]   Downloaded tree-sitter v0.26.8
[INFO] [stderr]   Downloaded rand v0.10.0
[INFO] [stderr]   Downloaded hotpath v0.14.1
[INFO] [stderr]   Downloaded arc-swap v1.9.1
[INFO] [stderr]   Downloaded ndarray v0.17.2
[INFO] [stderr]   Downloaded rmcp v0.13.0
[INFO] [stderr]   Downloaded hdrhistogram v7.5.4
[INFO] [stderr]   Downloaded tokio v1.51.1
[INFO] [stderr]   Downloaded pyo3 v0.28.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 81d29bde4e2eb0697bff934d78bd597654bd5c8ca9cfa71ec3bac14692a115c6
[INFO] running `Command { std: "docker" "start" "81d29bde4e2eb0697bff934d78bd597654bd5c8ca9cfa71ec3bac14692a115c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "81d29bde4e2eb0697bff934d78bd597654bd5c8ca9cfa71ec3bac14692a115c6", 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" "81d29bde4e2eb0697bff934d78bd597654bd5c8ca9cfa71ec3bac14692a115c6" "/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" "81d29bde4e2eb0697bff934d78bd597654bd5c8ca9cfa71ec3bac14692a115c6", 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" "81d29bde4e2eb0697bff934d78bd597654bd5c8ca9cfa71ec3bac14692a115c6" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling tree-sitter-language v0.1.7
[INFO] [stderr]    Compiling hashbrown v0.17.0
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling cc v1.2.59
[INFO] [stderr]    Compiling zmij v1.0.21
[INFO] [stderr]    Compiling itoa v1.0.18
[INFO] [stderr]    Compiling regex-syntax v0.8.10
[INFO] [stderr]    Compiling streaming-iterator v0.1.9
[INFO] [stderr]    Compiling hotpath-macros v0.14.1
[INFO] [stderr]    Compiling bitflags v2.11.0
[INFO] [stderr]    Compiling hotpath v0.14.1
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling indexmap v2.14.0
[INFO] [stderr]    Compiling tree-sitter-pgn v1.4.3
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling tree-sitter v0.26.8
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling spooky_chess v1.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(generic_const_exprs)]
[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 `spooky_chess` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "81d29bde4e2eb0697bff934d78bd597654bd5c8ca9cfa71ec3bac14692a115c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81d29bde4e2eb0697bff934d78bd597654bd5c8ca9cfa71ec3bac14692a115c6", kill_on_drop: false }`
[INFO] [stdout] 81d29bde4e2eb0697bff934d78bd597654bd5c8ca9cfa71ec3bac14692a115c6
