[INFO] fetching crate rem-utils 0.1.6... [INFO] testing rem-utils-0.1.6 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate rem-utils 0.1.6 into /workspace/builds/worker-1-tc2/source [INFO] removed /workspace/builds/worker-1-tc2/source/rust-toolchain.toml [INFO] started tweaking crates.io crate rem-utils 0.1.6 [INFO] finished tweaking crates.io crate rem-utils 0.1.6 [INFO] tweaked toml for crates.io crate rem-utils 0.1.6 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate rem-utils 0.1.6 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 96 packages to latest compatible versions [INFO] [stderr] Adding nom v7.1.3 (available: v8.0.0) [INFO] [stderr] Adding string_cache v0.8.9 (available: v0.9.0) [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" "+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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 9863ad8bed5d6d393fdf0f7c5e9084ac2ecc9ee5bbc7d493cef11e9a33d3dfca [INFO] running `Command { std: "docker" "start" "-a" "9863ad8bed5d6d393fdf0f7c5e9084ac2ecc9ee5bbc7d493cef11e9a33d3dfca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9863ad8bed5d6d393fdf0f7c5e9084ac2ecc9ee5bbc7d493cef11e9a33d3dfca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9863ad8bed5d6d393fdf0f7c5e9084ac2ecc9ee5bbc7d493cef11e9a33d3dfca", kill_on_drop: false }` [INFO] [stdout] 9863ad8bed5d6d393fdf0f7c5e9084ac2ecc9ee5bbc7d493cef11e9a33d3dfca [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] be9622b7e8808ada14c6ea4f126e40b3a8eee5b99bbd426d884a8aa9924057d3 [INFO] running `Command { std: "docker" "start" "-a" "be9622b7e8808ada14c6ea4f126e40b3a8eee5b99bbd426d884a8aa9924057d3", kill_on_drop: false }` [INFO] [stderr] Compiling serde_core v1.0.228 [INFO] [stderr] Compiling crunchy v0.2.4 [INFO] [stderr] Compiling tiny-keccak v2.0.2 [INFO] [stderr] Compiling ucd-trie v0.1.7 [INFO] [stderr] Compiling once_cell v1.21.3 [INFO] [stderr] Compiling typeid v1.0.3 [INFO] [stderr] Compiling proc-macro2 v1.0.101 [INFO] [stderr] Compiling thiserror v2.0.17 [INFO] [stderr] Compiling erased-serde v0.4.8 [INFO] [stderr] Compiling hashbrown v0.15.5 [INFO] [stderr] Compiling getrandom v0.2.16 [INFO] [stderr] Compiling winnow v0.7.13 [INFO] [stderr] Compiling aho-corasick v1.1.3 [INFO] [stderr] Compiling arraydeque v0.5.1 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling convert_case v0.6.0 [INFO] [stderr] Compiling nom v7.1.3 [INFO] [stderr] Compiling ena v0.14.3 [INFO] [stderr] Compiling colored v3.0.0 [INFO] [stderr] Compiling diff v0.1.13 [INFO] [stderr] Compiling const-random-macro v0.1.16 [INFO] [stderr] Compiling quote v1.0.41 [INFO] [stderr] Compiling hashlink v0.10.0 [INFO] [stderr] Compiling const-random v0.1.18 [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stderr] Compiling dlv-list v0.5.2 [INFO] [stderr] Compiling ordered-multimap v0.7.3 [INFO] [stderr] Compiling yaml-rust2 v0.10.4 [INFO] [stderr] Compiling rust-ini v0.21.3 [INFO] [stderr] Compiling regex-automata v0.4.11 [INFO] [stderr] Compiling toml_parser v1.0.3 [INFO] [stderr] Compiling toml_datetime v0.7.2 [INFO] [stderr] Compiling serde_spanned v1.0.2 [INFO] [stderr] Compiling serde_json v1.0.145 [INFO] [stderr] Compiling toml v0.9.7 [INFO] [stderr] Compiling serde-untagged v0.1.9 [INFO] [stderr] Compiling regex v1.11.3 [INFO] [stderr] Compiling thiserror-impl v2.0.17 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Compiling async-trait v0.1.89 [INFO] [stderr] Compiling pest v2.8.2 [INFO] [stderr] Compiling pest_meta v2.8.2 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Compiling bitflags v2.9.4 [INFO] [stderr] Compiling string_cache v0.8.9 [INFO] [stderr] Compiling ron v0.8.1 [INFO] [stderr] Compiling pest_generator v2.8.2 [INFO] [stderr] Compiling pest_derive v2.8.2 [INFO] [stderr] Compiling json5 v0.4.1 [INFO] [stderr] Compiling config v0.15.18 [INFO] [stderr] Compiling rem-utils v0.1.6 (/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(box_patterns)] [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(never_type)] [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_intersperse)] [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 `rem-utils` (lib) due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "be9622b7e8808ada14c6ea4f126e40b3a8eee5b99bbd426d884a8aa9924057d3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "be9622b7e8808ada14c6ea4f126e40b3a8eee5b99bbd426d884a8aa9924057d3", kill_on_drop: false }` [INFO] [stdout] be9622b7e8808ada14c6ea4f126e40b3a8eee5b99bbd426d884a8aa9924057d3