[INFO] fetching crate lcpc-ligero-pc 0.1.1...
[INFO] testing lcpc-ligero-pc-0.1.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate lcpc-ligero-pc 0.1.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate lcpc-ligero-pc 0.1.1
[INFO] finished tweaking crates.io crate lcpc-ligero-pc 0.1.1
[INFO] tweaked toml for crates.io crate lcpc-ligero-pc 0.1.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate lcpc-ligero-pc 0.1.1 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 74 packages to latest compatible versions
[INFO] [stderr]       Adding bincode v1.3.3 (available: v2.0.1)
[INFO] [stderr]       Adding ff v0.12.1 (available: v0.13.1)
[INFO] [stderr]       Adding itertools v0.10.5 (available: v0.14.0)
[INFO] [stderr]       Adding merlin v2.0.1 (available: v3.0.0)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] [stderr]       Adding rand_chacha v0.3.1 (available: v0.9.0)
[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-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 51e1fa1e46968ec84e45f06859f79727fe355edaf3288e377826bf39933338f3
[INFO] running `Command { std: "docker" "start" "-a" "51e1fa1e46968ec84e45f06859f79727fe355edaf3288e377826bf39933338f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51e1fa1e46968ec84e45f06859f79727fe355edaf3288e377826bf39933338f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51e1fa1e46968ec84e45f06859f79727fe355edaf3288e377826bf39933338f3", kill_on_drop: false }`
[INFO] [stdout] 51e1fa1e46968ec84e45f06859f79727fe355edaf3288e377826bf39933338f3
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c86eb839af33f427f4850dd7897bb892096e13cceff62a1979c93dc86e98919
[INFO] running `Command { std: "docker" "start" "-a" "5c86eb839af33f427f4850dd7897bb892096e13cceff62a1979c93dc86e98919", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling rustversion v1.0.22
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling num-bigint v0.3.3
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling funty v2.0.0
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling serde_bytes v0.11.19
[INFO] [stderr]    Compiling wyz v0.5.1
[INFO] [stderr]    Compiling bitvec v1.0.1
[INFO] [stderr]    Compiling err-derive v0.2.4
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling addchain v0.2.0
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling ff_derive v0.12.1
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling zeroize v1.8.2
[INFO] [stderr]    Compiling ff v0.12.1
[INFO] [stderr]    Compiling merlin v2.0.1
[INFO] [stderr]    Compiling fffft v0.4.2
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling lcpc-2d v0.1.1
[INFO] [stderr]    Compiling lcpc-ligero-pc v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | #![feature(test)]
[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 `lcpc-ligero-pc` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "5c86eb839af33f427f4850dd7897bb892096e13cceff62a1979c93dc86e98919", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c86eb839af33f427f4850dd7897bb892096e13cceff62a1979c93dc86e98919", kill_on_drop: false }`
[INFO] [stdout] 5c86eb839af33f427f4850dd7897bb892096e13cceff62a1979c93dc86e98919
