[INFO] fetching crate eeric 0.1.0-rc.5...
[INFO] testing eeric-0.1.0-rc.5 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate eeric 0.1.0-rc.5 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate eeric 0.1.0-rc.5
[INFO] finished tweaking crates.io crate eeric 0.1.0-rc.5
[INFO] tweaked toml for crates.io crate eeric 0.1.0-rc.5 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate eeric 0.1.0-rc.5 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 eeric 0.1.0-rc.5 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] a75fa3664c1dc42c6d9e20a9cb40120501acf74b11218227c6be1057dbbf1993
[INFO] running `Command { std: "docker" "start" "-a" "a75fa3664c1dc42c6d9e20a9cb40120501acf74b11218227c6be1057dbbf1993", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a75fa3664c1dc42c6d9e20a9cb40120501acf74b11218227c6be1057dbbf1993", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a75fa3664c1dc42c6d9e20a9cb40120501acf74b11218227c6be1057dbbf1993", kill_on_drop: false }`
[INFO] [stdout] a75fa3664c1dc42c6d9e20a9cb40120501acf74b11218227c6be1057dbbf1993
[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] e4d8d31c3529c67dfeb47b7f7f7f46f6e66f4760f3faf2cb8d658f366897bc57
[INFO] running `Command { std: "docker" "start" "-a" "e4d8d31c3529c67dfeb47b7f7f7f46f6e66f4760f3faf2cb8d658f366897bc57", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling darling_core v0.14.4
[INFO] [stderr]    Compiling darling_macro v0.14.4
[INFO] [stderr]    Compiling darling v0.14.4
[INFO] [stderr]    Compiling derive_builder_core v0.12.0
[INFO] [stderr]    Compiling derive_builder_macro v0.12.0
[INFO] [stderr]    Compiling derive_builder v0.12.0
[INFO] [stderr]    Compiling eeric v0.1.0-rc.5 (/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(unboxed_closures)]
[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:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(fn_traits)]
[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(iter_next_chunk)]
[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(array_chunks)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::rv_core::registers::aliases::vector::*`
[INFO] [stdout]   --> src/prelude.rs:17:13
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub use crate::rv_core::registers::aliases::vector::*;
[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 imports: `DoubleFpSew`, `DoubleSew`, `VectorEngineBuilder`, `Vlen`, `WideVreg`, `float::*`, and `vector::*`
[INFO] [stdout]   --> src/rv_core/instruction/executor/prelude.rs:12:27
[INFO] [stdout]    |
[INFO] [stdout] 12 |         aliases::{csr::*, float::*, integer::*, vector::*},
[INFO] [stdout]    |                           ^^^^^^^^              ^^^^^^^^^
[INFO] [stdout] 13 |         vector::{Vreg, WideVreg},
[INFO] [stdout]    |                        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |         sew::{BaseSew, DoubleFpSew, DoubleSew, EighthSew, FourthSew, FpSew, HalfSew, Sew},
[INFO] [stdout]    |                        ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 18 |         Lmul, MaskBehavior, VectorEngine, VectorEngineBuilder, Vlen,
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `array_chunks`
[INFO] [stdout]  --> src/lib.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(array_chunks)]
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `array_chunks` found for struct `Vec<arbitrary_float::ArbitraryFloat>` in the current scope
[INFO] [stdout]   --> src/rv_core/instruction/executor/v/vfredusum.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 12 |       let result: Vec<ArbitraryFloat> = input_vec
[INFO] [stdout]    |  _______________________________________-
[INFO] [stdout] 13 | |         .array_chunks::<2>()
[INFO] [stdout]    | |         -^^^^^^^^^^^^ `Vec<arbitrary_float::ArbitraryFloat>` is not an iterator
[INFO] [stdout]    | |_________|
[INFO] [stdout]    |
[INFO] [stdout]    |
[INFO] [stdout] help: call `.into_iter()` first
[INFO] [stdout]    |
[INFO] [stdout] 13 |         .into_iter().array_chunks::<2>()
[INFO] [stdout]    |          ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `eeric` (lib) due to 6 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "e4d8d31c3529c67dfeb47b7f7f7f46f6e66f4760f3faf2cb8d658f366897bc57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4d8d31c3529c67dfeb47b7f7f7f46f6e66f4760f3faf2cb8d658f366897bc57", kill_on_drop: false }`
[INFO] [stdout] e4d8d31c3529c67dfeb47b7f7f7f46f6e66f4760f3faf2cb8d658f366897bc57
