[INFO] fetching crate rust-ad-macros 0.8.0...
[INFO] testing rust-ad-macros-0.8.0 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate rust-ad-macros 0.8.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate rust-ad-macros 0.8.0
[INFO] finished tweaking crates.io crate rust-ad-macros 0.8.0
[INFO] tweaked toml for crates.io crate rust-ad-macros 0.8.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rust-ad-macros 0.8.0 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 11 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.106)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 65b0527cf5322ef8306792a487ecc4869bcd2b433058e7e4615313425c4e7005
[INFO] running `Command { std: "docker" "start" "-a" "65b0527cf5322ef8306792a487ecc4869bcd2b433058e7e4615313425c4e7005", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "65b0527cf5322ef8306792a487ecc4869bcd2b433058e7e4615313425c4e7005", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65b0527cf5322ef8306792a487ecc4869bcd2b433058e7e4615313425c4e7005", kill_on_drop: false }`
[INFO] [stdout] 65b0527cf5322ef8306792a487ecc4869bcd2b433058e7e4615313425c4e7005
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ce37009fe1960a93ab3e543ed9c734192111de2d017499bf3492529c487a9a9
[INFO] running `Command { std: "docker" "start" "-a" "7ce37009fe1960a93ab3e543ed9c734192111de2d017499bf3492529c487a9a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling const_format_proc_macros v0.2.34
[INFO] [stderr]    Compiling const_format v0.2.34
[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
[INFO] [stdout] error[E0658]: use of unstable library feature `unsized_const_params`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rust-ad-core-0.8.0/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]     = help: add `#![feature(unsized_const_params)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-09-25; consider upgrading it if it is out of date
[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]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rust-ad-core-0.8.0/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]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rust-ad-core-0.8.0/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]     = help: add `#![feature(unsized_const_params)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-09-25; consider upgrading it if it is out of date
[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]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rust-ad-core-0.8.0/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: E0658, E0741.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-ad-core` (lib) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "7ce37009fe1960a93ab3e543ed9c734192111de2d017499bf3492529c487a9a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ce37009fe1960a93ab3e543ed9c734192111de2d017499bf3492529c487a9a9", kill_on_drop: false }`
[INFO] [stdout] 7ce37009fe1960a93ab3e543ed9c734192111de2d017499bf3492529c487a9a9