[INFO] fetching crate rolldown_core 0.0.1...
[INFO] testing rolldown_core-0.0.1 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate rolldown_core 0.0.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate rolldown_core 0.0.1
[INFO] finished tweaking crates.io crate rolldown_core 0.0.1
[INFO] tweaked toml for crates.io crate rolldown_core 0.0.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rolldown_core 0.0.1 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 rolldown_core 0.0.1 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 2ce5296242da66b35c8b75fa1f460fd034e9ade01e43550670209e96f685e882
[INFO] running `Command { std: "docker" "start" "-a" "2ce5296242da66b35c8b75fa1f460fd034e9ade01e43550670209e96f685e882", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ce5296242da66b35c8b75fa1f460fd034e9ade01e43550670209e96f685e882", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ce5296242da66b35c8b75fa1f460fd034e9ade01e43550670209e96f685e882", kill_on_drop: false }`
[INFO] [stdout] 2ce5296242da66b35c8b75fa1f460fd034e9ade01e43550670209e96f685e882
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] ecdadbc2b7dc1502fc835762d2bc985dfe86306871470df4acf1d73149591f0a
[INFO] running `Command { std: "docker" "start" "-a" "ecdadbc2b7dc1502fc835762d2bc985dfe86306871470df4acf1d73149591f0a", kill_on_drop: false }`
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[INFO] [stderr]    Compiling swc_common v0.29.31
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[INFO] [stderr]    Compiling swc_ecma_transforms_optimization v0.172.19
[INFO] [stderr]    Compiling swc_ecma_transforms_module v0.158.14
[INFO] [stderr]    Compiling swc_ecma_minifier v0.166.22
[INFO] [stderr]    Compiling rolldown_common v0.0.1
[INFO] [stderr]    Compiling rolldown_swc_utils v0.0.1
[INFO] [stderr]    Compiling rolldown_ast_template v0.0.1
[INFO] [stderr]    Compiling rolldown_compiler v0.0.1
[INFO] [stderr]    Compiling rolldown_swc_visitors v0.0.1
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rolldown_swc_visitors-0.0.1/src/finalize.rs:161:8
[INFO] [stdout]     |
[INFO] [stdout] 161 |       if let ExportNamedSpecifier {
[INFO] [stdout]     |  ________^
[INFO] [stdout] 162 | |             exported: Some(ast::ModuleExportName::Ident(ast::Ident { sym: exported_name, .. })),
[INFO] [stdout] 163 | |             orig: ast::ModuleExportName::Ident(ast::Ident { sym: orig_name, .. }),
[INFO] [stdout] 164 | |             ..
[INFO] [stdout] 165 | |         } = node && exported_name == orig_name
[INFO] [stdout]     | |________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rolldown_plugin v0.0.1
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rolldown_swc_visitors-0.0.1/src/finalize.rs:185:23
[INFO] [stdout]     |
[INFO] [stdout] 185 | ...ded && let ast::Prop::KeyValue(ast::KeyValueProp { key: ast::PropName::Ident(key), value: box ast::Expr::Ident(value) }) = prop && key...
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rolldown_swc_visitors-0.0.1/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]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rolldown_swc_visitors-0.0.1/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(let_chains)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `let_chains` has been stable since `1.88.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rolldown_swc_visitors-0.0.1/src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(if_let_guard)]
[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 `rolldown_swc_visitors` (lib) due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "ecdadbc2b7dc1502fc835762d2bc985dfe86306871470df4acf1d73149591f0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecdadbc2b7dc1502fc835762d2bc985dfe86306871470df4acf1d73149591f0a", kill_on_drop: false }`
[INFO] [stdout] ecdadbc2b7dc1502fc835762d2bc985dfe86306871470df4acf1d73149591f0a
