[INFO] fetching crate rust-ad-core 0.8.0...
[INFO] testing rust-ad-core-0.8.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate rust-ad-core 0.8.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate rust-ad-core 0.8.0
[INFO] finished tweaking crates.io crate rust-ad-core 0.8.0
[INFO] tweaked toml for crates.io crate rust-ad-core 0.8.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rust-ad-core 0.8.0 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 10 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.108)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a8348d5b8b3778d317a190fe8d73783887f8fb2f784864493c894b14e96247c8
[INFO] running `Command { std: "docker" "start" "-a" "a8348d5b8b3778d317a190fe8d73783887f8fb2f784864493c894b14e96247c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8348d5b8b3778d317a190fe8d73783887f8fb2f784864493c894b14e96247c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8348d5b8b3778d317a190fe8d73783887f8fb2f784864493c894b14e96247c8", kill_on_drop: false }`
[INFO] [stdout] a8348d5b8b3778d317a190fe8d73783887f8fb2f784864493c894b14e96247c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f1872127bbb3c8e29ae6354d908a7a341a2af5471c190249c7477f5ffd9cc0e9
[INFO] running `Command { std: "docker" "start" "-a" "f1872127bbb3c8e29ae6354d908a7a341a2af5471c190249c7477f5ffd9cc0e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling const_format_proc_macros v0.2.34
[INFO] [stderr]    Compiling const_format v0.2.35
[INFO] [stderr]    Compiling rust-ad-consts v0.8.0
[INFO] [stderr]    Compiling rust-ad-core-macros v0.8.0
[INFO] [stderr]    Compiling rust-ad-core v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(iter_intersperse)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(adt_const_params)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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(proc_macro_diagnostic)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `unsized_const_params`
[INFO] [stdout]    --> src/derivatives/mod.rs:233:12
[INFO] [stdout]     |
[INFO] [stdout] 233 | pub fn fgd<const DEFAULT: &'static str, const TRANSLATION_FUNCTIONS: &'static [DFn]>(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: required for `&'static str` to implement `ConstParamTy_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0741]: `&'static [for<'a> fn(&'a [derivatives::Arg]) -> std::string::String]` can't be used as a const parameter type
[INFO] [stdout]    --> src/derivatives/mod.rs:233:70
[INFO] [stdout]     |
[INFO] [stdout] 233 | pub fn fgd<const DEFAULT: &'static str, const TRANSLATION_FUNCTIONS: &'static [DFn]>(
[INFO] [stdout]     |                                                                      ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `for<'a> fn(&'a [derivatives::Arg]) -> std::string::String` must implement `ConstParamTy_`, but it does not
[INFO] [stdout]     = note: `[for<'a> fn(&'a [derivatives::Arg]) -> std::string::String]` must implement `ConstParamTy_`, but it does not
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `unsized_const_params`
[INFO] [stdout]    --> src/derivatives/mod.rs:342:12
[INFO] [stdout]     |
[INFO] [stdout] 342 | pub fn rgd<const DEFAULT: &'static str, const TRANSLATION_FUNCTIONS: &'static [DFn]>(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: required for `&'static str` to implement `ConstParamTy_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0741]: `&'static [for<'a> fn(&'a [derivatives::Arg]) -> std::string::String]` can't be used as a const parameter type
[INFO] [stdout]    --> src/derivatives/mod.rs:342:70
[INFO] [stdout]     |
[INFO] [stdout] 342 | pub fn rgd<const DEFAULT: &'static str, const TRANSLATION_FUNCTIONS: &'static [DFn]>(
[INFO] [stdout]     |                                                                      ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `for<'a> fn(&'a [derivatives::Arg]) -> std::string::String` must implement `ConstParamTy_`, but it does not
[INFO] [stdout]     = note: `[for<'a> fn(&'a [derivatives::Arg]) -> std::string::String]` must implement `ConstParamTy_`, but it does not
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0658, E0741.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-ad-core` (lib) due to 7 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "f1872127bbb3c8e29ae6354d908a7a341a2af5471c190249c7477f5ffd9cc0e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1872127bbb3c8e29ae6354d908a7a341a2af5471c190249c7477f5ffd9cc0e9", kill_on_drop: false }`
[INFO] [stdout] f1872127bbb3c8e29ae6354d908a7a341a2af5471c190249c7477f5ffd9cc0e9