[INFO] fetching crate named-item 0.6.0... [INFO] testing named-item-0.6.0 against beta-2025-10-28 for beta-1.92-2 [INFO] extracting crate named-item 0.6.0 into /workspace/builds/worker-7-tc2/source [INFO] started tweaking crates.io crate named-item 0.6.0 [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate named-item 0.6.0 [INFO] tweaked toml for crates.io crate named-item 0.6.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate named-item 0.6.0 on toolchain beta-2025-10-28 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate named-item 0.6.0 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-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 70d525550914d40b41632d1fcb600b41ce2d18b2f15fe1b5e5542a34e7db9864 [INFO] running `Command { std: "docker" "start" "-a" "70d525550914d40b41632d1fcb600b41ce2d18b2f15fe1b5e5542a34e7db9864", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "70d525550914d40b41632d1fcb600b41ce2d18b2f15fe1b5e5542a34e7db9864", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "70d525550914d40b41632d1fcb600b41ce2d18b2f15fe1b5e5542a34e7db9864", kill_on_drop: false }` [INFO] [stdout] 70d525550914d40b41632d1fcb600b41ce2d18b2f15fe1b5e5542a34e7db9864 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7c909be6b0bc146061a87191fb7e3990e6c2f721e7b1629bb4f80803f2b8835a [INFO] running `Command { std: "docker" "start" "-a" "7c909be6b0bc146061a87191fb7e3990e6c2f721e7b1629bb4f80803f2b8835a", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.92 [INFO] [stderr] Compiling memchr v2.7.4 [INFO] [stderr] Compiling serde v1.0.215 [INFO] [stderr] Compiling serde_json v1.0.133 [INFO] [stderr] Compiling itoa v1.0.13 [INFO] [stderr] Compiling regex-syntax v0.8.5 [INFO] [stderr] Compiling export-magic v0.3.6 [INFO] [stderr] Compiling aho-corasick v1.1.3 [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Compiling syn v2.0.89 [INFO] [stderr] Compiling regex-automata v0.4.9 [INFO] [stderr] Compiling serde_derive v1.0.215 [INFO] [stderr] Compiling regex v1.11.1 [INFO] [stderr] Compiling language-enum v0.1.0 [INFO] [stderr] Compiling named-item v0.6.0 (/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(associated_type_defaults)] [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 `named-item` (lib) due to 1 previous error [INFO] running `Command { std: "docker" "inspect" "7c909be6b0bc146061a87191fb7e3990e6c2f721e7b1629bb4f80803f2b8835a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7c909be6b0bc146061a87191fb7e3990e6c2f721e7b1629bb4f80803f2b8835a", kill_on_drop: false }` [INFO] [stdout] 7c909be6b0bc146061a87191fb7e3990e6c2f721e7b1629bb4f80803f2b8835a