[INFO] fetching crate generational-arena-tree 0.0.0-dev.5... [INFO] testing generational-arena-tree-0.0.0-dev.5 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate generational-arena-tree 0.0.0-dev.5 into /workspace/builds/worker-1-tc2/source [INFO] removed /workspace/builds/worker-1-tc2/source/rust-toolchain.toml [INFO] started tweaking crates.io crate generational-arena-tree 0.0.0-dev.5 [INFO] finished tweaking crates.io crate generational-arena-tree 0.0.0-dev.5 [INFO] tweaked toml for crates.io crate generational-arena-tree 0.0.0-dev.5 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate generational-arena-tree 0.0.0-dev.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] 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 12 packages to latest compatible versions [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-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] dbc05ad7e9a4fae17467bbce1ce2c7d87060265a4346ee1d518fc73c7436fad5 [INFO] running `Command { std: "docker" "start" "-a" "dbc05ad7e9a4fae17467bbce1ce2c7d87060265a4346ee1d518fc73c7436fad5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "dbc05ad7e9a4fae17467bbce1ce2c7d87060265a4346ee1d518fc73c7436fad5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dbc05ad7e9a4fae17467bbce1ce2c7d87060265a4346ee1d518fc73c7436fad5", kill_on_drop: false }` [INFO] [stdout] dbc05ad7e9a4fae17467bbce1ce2c7d87060265a4346ee1d518fc73c7436fad5 [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] 7644680eaf139efcebd91d5f53ae58fb06c07adc5d8460c7bce3c7255a5cfadc [INFO] running `Command { std: "docker" "start" "-a" "7644680eaf139efcebd91d5f53ae58fb06c07adc5d8460c7bce3c7255a5cfadc", kill_on_drop: false }` [INFO] [stderr] Compiling cfg_attrs v3.0.0 [INFO] [stderr] Compiling generational-arena v0.2.9 [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stderr] Compiling thiserror-impl v1.0.69 [INFO] [stderr] Compiling thiserror v1.0.69 [INFO] [stderr] Compiling generational-arena-tree v0.0.0-dev.5 (/opt/rustwide/workdir) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/lib.rs:5:1 [INFO] [stdout] | [INFO] [stdout] 5 | #![feature(doc_cfg)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `feaute` [INFO] [stdout] --> src/split.rs:147:3 [INFO] [stdout] | [INFO] [stdout] 147 | feaute = "deque", [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] help: there is a config with a similar name and value [INFO] [stdout] | [INFO] [stdout] 147 - feaute = "deque", [INFO] [stdout] 147 + feature = "deque", [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 `generational-arena-tree` (lib) due to 1 previous error; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "7644680eaf139efcebd91d5f53ae58fb06c07adc5d8460c7bce3c7255a5cfadc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7644680eaf139efcebd91d5f53ae58fb06c07adc5d8460c7bce3c7255a5cfadc", kill_on_drop: false }` [INFO] [stdout] 7644680eaf139efcebd91d5f53ae58fb06c07adc5d8460c7bce3c7255a5cfadc