[INFO] fetching crate sarc-rs 1.0.0... [INFO] testing sarc-rs-1.0.0 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate sarc-rs 1.0.0 into /workspace/builds/worker-3-tc2/source [INFO] started tweaking crates.io crate sarc-rs 1.0.0 [INFO] finished tweaking crates.io crate sarc-rs 1.0.0 [INFO] tweaked toml for crates.io crate sarc-rs 1.0.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate sarc-rs 1.0.0 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] 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 87 packages to latest compatible versions [INFO] [stderr] Adding cached v0.36.0 (available: v0.56.0) [INFO] [stderr] Adding indexmap v1.9.3 (available: v2.11.4) [INFO] [stderr] Adding thiserror v1.0.69 (available: v2.0.17) [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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] e04ca93596e12645d8400cf6be173b4c71a65f3ee2204d980a04a0f441e22805 [INFO] running `Command { std: "docker" "start" "-a" "e04ca93596e12645d8400cf6be173b4c71a65f3ee2204d980a04a0f441e22805", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e04ca93596e12645d8400cf6be173b4c71a65f3ee2204d980a04a0f441e22805", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e04ca93596e12645d8400cf6be173b4c71a65f3ee2204d980a04a0f441e22805", kill_on_drop: false }` [INFO] [stdout] e04ca93596e12645d8400cf6be173b4c71a65f3ee2204d980a04a0f441e22805 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] f72b2f00ccc658f84af7d4e0ca124d8934710bcc425c00f27c8fcc07f083de13 [INFO] running `Command { std: "docker" "start" "-a" "f72b2f00ccc658f84af7d4e0ca124d8934710bcc425c00f27c8fcc07f083de13", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling futures-sink v0.3.31 [INFO] [stderr] Compiling futures-core v0.3.31 [INFO] [stderr] Compiling hashbrown v0.12.3 [INFO] [stderr] Compiling either v1.15.0 [INFO] [stderr] Compiling cached_proc_macro_types v0.1.1 [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stderr] Compiling paste-impl v0.1.18 [INFO] [stderr] Compiling instant v0.1.13 [INFO] [stderr] Compiling num-complex v0.4.6 [INFO] [stderr] Compiling async_once v0.2.6 [INFO] [stderr] Compiling num-bigint v0.4.6 [INFO] [stderr] Compiling num-iter v0.1.45 [INFO] [stderr] Compiling futures-channel v0.3.31 [INFO] [stderr] Compiling paste v0.1.18 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Compiling num-rational v0.4.2 [INFO] [stderr] Compiling num v0.4.3 [INFO] [stderr] Compiling futures-macro v0.3.31 [INFO] [stderr] Compiling tokio-macros v2.5.0 [INFO] [stderr] Compiling thiserror-impl v1.0.69 [INFO] [stderr] Compiling async-trait v0.1.89 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Compiling darling_core v0.13.4 [INFO] [stderr] Compiling tokio v1.47.1 [INFO] [stderr] Compiling futures-util v0.3.31 [INFO] [stderr] Compiling thiserror v1.0.69 [INFO] [stderr] Compiling binwrite_derive v0.2.1 [INFO] [stderr] Compiling binread_derive v2.1.0 [INFO] [stderr] Compiling derivative v2.2.0 [INFO] [stderr] Compiling binwrite v0.2.1 [INFO] [stderr] Compiling darling_macro v0.13.4 [INFO] [stderr] Compiling darling v0.13.4 [INFO] [stderr] Compiling cached_proc_macro v0.13.0 [INFO] [stderr] Compiling binread v2.2.0 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Compiling futures-executor v0.3.31 [INFO] [stderr] Compiling futures v0.3.31 [INFO] [stderr] Compiling cached v0.36.0 [INFO] [stderr] Compiling sarc-rs v1.0.0 (/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(const_slice_index)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0635]: unknown feature `const_slice_index` [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(const_slice_index)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: cannot call conditionally-const method `core::slice::::get_unchecked::` in constant functions [INFO] [stdout] --> src/lib.rs:50:38 [INFO] [stdout] | [INFO] [stdout] 50 | .wrapping_add(*bytes.get_unchecked(i) as u32) [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants [INFO] [stdout] = note: see issue #143874 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `core::slice::::get_unchecked` is not yet stable as a const fn [INFO] [stdout] --> src/lib.rs:50:32 [INFO] [stdout] | [INFO] [stdout] 50 | .wrapping_add(*bytes.get_unchecked(i) as u32) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0554, E0635, E0658. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `sarc-rs` (lib) due to 4 previous errors [INFO] running `Command { std: "docker" "inspect" "f72b2f00ccc658f84af7d4e0ca124d8934710bcc425c00f27c8fcc07f083de13", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f72b2f00ccc658f84af7d4e0ca124d8934710bcc425c00f27c8fcc07f083de13", kill_on_drop: false }` [INFO] [stdout] f72b2f00ccc658f84af7d4e0ca124d8934710bcc425c00f27c8fcc07f083de13