[INFO] fetching crate assemble-rust 0.2.0...
[INFO] documenting assemble-rust-0.2.0 against beta-2026-01-26 for beta-1.94-rustdoc-2
[INFO] extracting crate assemble-rust 0.2.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate assemble-rust 0.2.0
[INFO] finished tweaking crates.io crate assemble-rust 0.2.0
[INFO] tweaked toml for crates.io crate assemble-rust 0.2.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate assemble-rust 0.2.0 on toolchain beta-2026-01-26
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-26" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate assemble-rust 0.2.0 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-2026-01-26" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-26" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 22e0d0840230ea2aa640ee916198b52ab39f2970cdfbfd811e8c70df434b2e8f
[INFO] running `Command { std: "docker" "start" "-a" "22e0d0840230ea2aa640ee916198b52ab39f2970cdfbfd811e8c70df434b2e8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "22e0d0840230ea2aa640ee916198b52ab39f2970cdfbfd811e8c70df434b2e8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22e0d0840230ea2aa640ee916198b52ab39f2970cdfbfd811e8c70df434b2e8f", kill_on_drop: false }`
[INFO] [stdout] 22e0d0840230ea2aa640ee916198b52ab39f2970cdfbfd811e8c70df434b2e8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-26" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c6fe2147617dd2c117a35b7e309bf3a7bc9201d436f7ef05c1b6f193d9254ea8
[INFO] running `Command { std: "docker" "start" "-a" "c6fe2147617dd2c117a35b7e309bf3a7bc9201d436f7ef05c1b6f193d9254ea8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
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[INFO] [stderr]    Compiling assemble-std v0.2.0
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling assemble-macros v0.2.0
[INFO] [stderr]     Checking merge v0.1.0
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[INFO] [stderr]     Checking serde_urlencoded v0.7.1
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[INFO] [stderr]     Checking config v0.11.0
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[INFO] [stderr]     Checking assemble-core v0.2.0
[INFO] [stdout] error[E0539]: malformed `doc` attribute input
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assemble-std-0.2.0/src/specs/exec_spec.rs:93:9
[INFO] [stdout]    |
[INFO] [stdout] 93 |     Log(#[doc("The log level to emit output to")] Level),
[INFO] [stdout]    |         ^^^^^^---------------------------------^^
[INFO] [stdout]    |               |
[INFO] [stdout]    |               expected this to be of the form `... = "..."`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0539`.
[INFO] [stdout] 
[INFO] [stderr] warning: assemble-std@0.2.0: "/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/assemble-std-0.2.0/src/lib.rs"
[INFO] [stderr] error: could not compile `assemble-std` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "c6fe2147617dd2c117a35b7e309bf3a7bc9201d436f7ef05c1b6f193d9254ea8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6fe2147617dd2c117a35b7e309bf3a7bc9201d436f7ef05c1b6f193d9254ea8", kill_on_drop: false }`
[INFO] [stdout] c6fe2147617dd2c117a35b7e309bf3a7bc9201d436f7ef05c1b6f193d9254ea8