[INFO] fetching crate talos 0.1.0...
[INFO] testing talos-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate talos 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate talos 0.1.0
[INFO] finished tweaking crates.io crate talos 0.1.0
[INFO] tweaked toml for crates.io crate talos 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate talos 0.1.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate talos 0.1.0 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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3c9eec05bfe7b6d687135b4154d19b6f74068ee3fd19825c5a7b9b955f5f40af
[INFO] running `Command { std: "docker" "start" "-a" "3c9eec05bfe7b6d687135b4154d19b6f74068ee3fd19825c5a7b9b955f5f40af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c9eec05bfe7b6d687135b4154d19b6f74068ee3fd19825c5a7b9b955f5f40af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c9eec05bfe7b6d687135b4154d19b6f74068ee3fd19825c5a7b9b955f5f40af", kill_on_drop: false }`
[INFO] [stdout] 3c9eec05bfe7b6d687135b4154d19b6f74068ee3fd19825c5a7b9b955f5f40af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b66727f14534e44549b6f3a89aeb28fb150682a2eea7048f5ce479e14643a257
[INFO] running `Command { std: "docker" "start" "-a" "b66727f14534e44549b6f3a89aeb28fb150682a2eea7048f5ce479e14643a257", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling alea v0.2.2
[INFO] [stderr]    Compiling reverse v0.2.2
[INFO] [stderr]    Compiling approx_eq v0.1.8
[INFO] [stderr]    Compiling impl_ops v0.1.1
[INFO] [stderr]    Compiling seq-macro v0.2.2
[INFO] [stderr]    Compiling compute v0.2.2
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling talos_procs v0.1.0
[INFO] [stderr]    Compiling talos v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(generic_associated_types)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `generic_associated_types` has been stable since `1.65.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::functions`
[INFO] [stdout]  --> src/distributions.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::functions;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rayon::prelude::*`
[INFO] [stdout]  --> src/samplers/hmc.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rayon::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `generic_associated_types` has been stable since 1.65.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(generic_associated_types)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/functions.rs:105:39
[INFO] [stdout]     |
[INFO] [stdout] 105 |             PI / ((PI * self).sin() * Self::gamma(1. - self))
[INFO] [stdout]     |                                       ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `functions::Gamma::gamma(...)` to keep using the current method
[INFO] [stdout]     = note: `#[warn(unstable_name_collisions)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]  --> src/samplers/hmc.rs:9:26
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn step<F, S>(&self, f: F, params: &[Var<'a>], data: S) -> Vec<f64>
[INFO] [stdout]   |                          ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `params`
[INFO] [stdout]  --> src/samplers/hmc.rs:9:32
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn step<F, S>(&self, f: F, params: &[Var<'a>], data: S) -> Vec<f64>
[INFO] [stdout]   |                                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_params`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]  --> src/samplers/hmc.rs:9:52
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn step<F, S>(&self, f: F, params: &[Var<'a>], data: S) -> Vec<f64>
[INFO] [stdout]   |                                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/samplers/hmc.rs:17:28
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn sample<F, S>(&self, f: F, inits: &[Var<'a>], data: S, n_samples: usize) -> Vec<Vec<f64>>
[INFO] [stdout]    |                            ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `inits`
[INFO] [stdout]   --> src/samplers/hmc.rs:17:34
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn sample<F, S>(&self, f: F, inits: &[Var<'a>], data: S, n_samples: usize) -> Vec<Vec<f64>>
[INFO] [stdout]    |                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_inits`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/samplers/hmc.rs:17:53
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn sample<F, S>(&self, f: F, inits: &[Var<'a>], data: S, n_samples: usize) -> Vec<Vec<f64>>
[INFO] [stdout]    |                                                     ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n_samples`
[INFO] [stdout]   --> src/samplers/hmc.rs:17:62
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn sample<F, S>(&self, f: F, inits: &[Var<'a>], data: S, n_samples: usize) -> Vec<Vec<f64>>
[INFO] [stdout]    |                                                              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_n_samples`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/samplers/hmc.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |         f: F,
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `inits`
[INFO] [stdout]   --> src/samplers/hmc.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |         inits: &[Var<'a>],
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_inits`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/samplers/hmc.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |         data: S,
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n_samples`
[INFO] [stdout]   --> src/samplers/hmc.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         n_samples: usize,
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_n_samples`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n_chains`
[INFO] [stdout]   --> src/samplers/hmc.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         n_chains: usize,
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_n_chains`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `talos` (lib) due to 1 previous error; 16 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "b66727f14534e44549b6f3a89aeb28fb150682a2eea7048f5ce479e14643a257", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b66727f14534e44549b6f3a89aeb28fb150682a2eea7048f5ce479e14643a257", kill_on_drop: false }`
[INFO] [stdout] b66727f14534e44549b6f3a89aeb28fb150682a2eea7048f5ce479e14643a257
