[INFO] fetching crate cluConcatBytes 0.1.5... [INFO] testing cluConcatBytes-0.1.5 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate cluConcatBytes 0.1.5 into /workspace/builds/worker-7-tc2/source [INFO] started tweaking crates.io crate cluConcatBytes 0.1.5 [INFO] finished tweaking crates.io crate cluConcatBytes 0.1.5 [INFO] tweaked toml for crates.io crate cluConcatBytes 0.1.5 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate cluConcatBytes 0.1.5 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] crate crates.io crate cluConcatBytes 0.1.5 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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: unused manifest key: lib.plugin [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ac6ce331b49c9d3f6b711678cecaa8b5206ac753efac1f8052911f05741923a7 [INFO] running `Command { std: "docker" "start" "-a" "ac6ce331b49c9d3f6b711678cecaa8b5206ac753efac1f8052911f05741923a7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ac6ce331b49c9d3f6b711678cecaa8b5206ac753efac1f8052911f05741923a7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ac6ce331b49c9d3f6b711678cecaa8b5206ac753efac1f8052911f05741923a7", kill_on_drop: false }` [INFO] [stdout] ac6ce331b49c9d3f6b711678cecaa8b5206ac753efac1f8052911f05741923a7 [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5705f91a234183b7130702dfee152116cd2423e71e460f5ab9926e6ccc9b0620 [INFO] running `Command { std: "docker" "start" "-a" "5705f91a234183b7130702dfee152116cd2423e71e460f5ab9926e6ccc9b0620", kill_on_drop: false }` [INFO] [stderr] warning: unused manifest key: lib.plugin [INFO] [stderr] Compiling cluConcatBytes v0.1.5 (/opt/rustwide/workdir) [INFO] [stdout] error[E0557]: feature has been removed [INFO] [stdout] --> src/lib.rs:116:12 [INFO] [stdout] | [INFO] [stdout] 116 | #![feature(plugin_registrar)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^ feature has been removed [INFO] [stdout] | [INFO] [stdout] = note: removed in 1.75.0; see for more information [INFO] [stdout] = note: plugins are no longer supported [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0463]: can't find crate for `syntax` [INFO] [stdout] --> src/lib.rs:120:1 [INFO] [stdout] | [INFO] [stdout] 120 | extern crate syntax; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ can't find crate [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0462]: found staticlib `rustc` instead of rlib or dylib [INFO] [stdout] --> src/lib.rs:121:1 [INFO] [stdout] | [INFO] [stdout] 121 | extern crate rustc; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the following crate versions were found: [INFO] [stdout] crate `rustc`: /opt/rustwide/rustup-home/toolchains/beta-2025-09-21-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc-beta_rt.asan.a [INFO] [stdout] crate `rustc`: /opt/rustwide/rustup-home/toolchains/beta-2025-09-21-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc-beta_rt.dfsan.a [INFO] [stdout] crate `rustc`: /opt/rustwide/rustup-home/toolchains/beta-2025-09-21-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc-beta_rt.lsan.a [INFO] [stdout] crate `rustc`: /opt/rustwide/rustup-home/toolchains/beta-2025-09-21-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc-beta_rt.msan.a [INFO] [stdout] crate `rustc`: /opt/rustwide/rustup-home/toolchains/beta-2025-09-21-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc-beta_rt.safestack.a [INFO] [stdout] crate `rustc`: /opt/rustwide/rustup-home/toolchains/beta-2025-09-21-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc-beta_rt.tsan.a [INFO] [stdout] = help: please recompile that crate using --crate-type lib [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0463]: can't find crate for `rustc_plugin` [INFO] [stdout] --> src/lib.rs:122:1 [INFO] [stdout] | [INFO] [stdout] 122 | extern crate rustc_plugin; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate [INFO] [stdout] | [INFO] [stdout] = help: maybe you need to install the missing components with: `rustup component add rust-src rustc-dev llvm-tools-preview` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: cannot find attribute `plugin_registrar` in this scope [INFO] [stdout] --> src/nightly.rs:18:3 [INFO] [stdout] | [INFO] [stdout] 18 | #[plugin_registrar] [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `plugin_registrar` is in scope, but it is a function, not an attribute [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/lib.rs:116:1 [INFO] [stdout] | [INFO] [stdout] 116 | #![feature(plugin_registrar)] [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:117:1 [INFO] [stdout] | [INFO] [stdout] 117 | #![feature(rustc_private)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused label [INFO] [stdout] --> src/nightly.rs:68:2 [INFO] [stdout] | [INFO] [stdout] 68 | 'looper: for unk in array_expr.into_iter() { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_labels)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0462, E0463, E0554, E0557. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0462`. [INFO] [stdout] [INFO] [stderr] error: could not compile `cluConcatBytes` (lib) due to 7 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "5705f91a234183b7130702dfee152116cd2423e71e460f5ab9926e6ccc9b0620", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5705f91a234183b7130702dfee152116cd2423e71e460f5ab9926e6ccc9b0620", kill_on_drop: false }` [INFO] [stdout] 5705f91a234183b7130702dfee152116cd2423e71e460f5ab9926e6ccc9b0620