[INFO] fetching crate rustirc 0.1.0...
[INFO] documenting rustirc-0.1.0 against beta-2026-01-26 for beta-1.94-rustdoc-2
[INFO] extracting crate rustirc 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate rustirc 0.1.0
[INFO] finished tweaking crates.io crate rustirc 0.1.0
[INFO] tweaked toml for crates.io crate rustirc 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rustirc 0.1.0 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 rustirc 0.1.0 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] 516ced2341a88478062cbf2446c7e703295acedd7d6f615c0d298b96f548d3e4
[INFO] running `Command { std: "docker" "start" "-a" "516ced2341a88478062cbf2446c7e703295acedd7d6f615c0d298b96f548d3e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "516ced2341a88478062cbf2446c7e703295acedd7d6f615c0d298b96f548d3e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "516ced2341a88478062cbf2446c7e703295acedd7d6f615c0d298b96f548d3e4", kill_on_drop: false }`
[INFO] [stdout] 516ced2341a88478062cbf2446c7e703295acedd7d6f615c0d298b96f548d3e4
[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] 5bb6c35f007efa9c8f62c35df76bc8fbce13efb23589c4fcd5c3c372a0d680e9
[INFO] running `Command { std: "docker" "start" "-a" "5bb6c35f007efa9c8f62c35df76bc8fbce13efb23589c4fcd5c3c372a0d680e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling log v0.4.13
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking pin-project-lite v0.2.4
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking futures-core v0.3.10
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking bytes v0.6.0
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]    Compiling tokio v1.0.1
[INFO] [stderr]    Compiling tokio v0.3.6
[INFO] [stderr]     Checking futures-sink v0.3.10
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking mio v0.7.7
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking tokio-stream v0.1.2
[INFO] [stdout] error[E0538]: malformed `doc` attribute input
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-stream-0.1.2/src/lib.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | / #![doc(test(
[INFO] [stdout] 21 | |     no_crate_inject,
[INFO] [stdout]    | |     --------------- found `no_crate_inject` used as a key more than once
[INFO] [stdout] 22 | |     attr(deny(warnings, rust_2018_idioms), allow(dead_code, unused_variables))
[INFO] [stdout] 23 | | ))]
[INFO] [stdout]    | |___^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0538`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tokio-stream` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "5bb6c35f007efa9c8f62c35df76bc8fbce13efb23589c4fcd5c3c372a0d680e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bb6c35f007efa9c8f62c35df76bc8fbce13efb23589c4fcd5c3c372a0d680e9", kill_on_drop: false }`
[INFO] [stdout] 5bb6c35f007efa9c8f62c35df76bc8fbce13efb23589c4fcd5c3c372a0d680e9