[INFO] fetching crate rtx 0.1.0...
[INFO] testing rtx-0.1.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate rtx 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate rtx 0.1.0
[INFO] finished tweaking crates.io crate rtx 0.1.0
[INFO] tweaked toml for crates.io crate rtx 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rtx 0.1.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 98 packages to latest compatible versions
[INFO] [stderr]       Adding async-io v1.13.0 (available: v2.6.0)
[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-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eb0a393718ee8b29868ed4947e1ee66b8157317999586283c55a1bf1eeb7821d
[INFO] running `Command { std: "docker" "start" "-a" "eb0a393718ee8b29868ed4947e1ee66b8157317999586283c55a1bf1eeb7821d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb0a393718ee8b29868ed4947e1ee66b8157317999586283c55a1bf1eeb7821d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb0a393718ee8b29868ed4947e1ee66b8157317999586283c55a1bf1eeb7821d", kill_on_drop: false }`
[INFO] [stdout] eb0a393718ee8b29868ed4947e1ee66b8157317999586283c55a1bf1eeb7821d
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 034ce1924cf8458de9f75a3e5ceb035e9ee05f45ad78279065e60af387581fa6
[INFO] running `Command { std: "docker" "start" "-a" "034ce1924cf8458de9f75a3e5ceb035e9ee05f45ad78279065e60af387581fa6", kill_on_drop: false }`
[INFO] [stderr]    Compiling rtx v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "034ce1924cf8458de9f75a3e5ceb035e9ee05f45ad78279065e60af387581fa6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "034ce1924cf8458de9f75a3e5ceb035e9ee05f45ad78279065e60af387581fa6", kill_on_drop: false }`
[INFO] [stdout] 034ce1924cf8458de9f75a3e5ceb035e9ee05f45ad78279065e60af387581fa6
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] afe444fd654cee06df5e5c2ef01a33c36140f8de6ba5f582a1ab06d24025472d
[INFO] running `Command { std: "docker" "start" "-a" "afe444fd654cee06df5e5c2ef01a33c36140f8de6ba5f582a1ab06d24025472d", kill_on_drop: false }`
[INFO] [stderr]    Compiling rtx v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "afe444fd654cee06df5e5c2ef01a33c36140f8de6ba5f582a1ab06d24025472d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afe444fd654cee06df5e5c2ef01a33c36140f8de6ba5f582a1ab06d24025472d", kill_on_drop: false }`
[INFO] [stdout] afe444fd654cee06df5e5c2ef01a33c36140f8de6ba5f582a1ab06d24025472d
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d8182b6ab5dce0eabc92c5c8afe2c0874ccc443de17767cdeb6dbf6477edf0b5
[INFO] running `Command { std: "docker" "start" "-a" "d8182b6ab5dce0eabc92c5c8afe2c0874ccc443de17767cdeb6dbf6477edf0b5", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rtx-eabd42aa2cb89766)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rtx
[INFO] [stderr] error[E0432]: unresolved import `futures_io`
[INFO] [stderr]   --> src/io.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub use futures_io::AsyncRead;
[INFO] [stderr]    |         ^^^^^^^^^^ use of unresolved module or unlinked crate `futures_io`
[INFO] [stderr]    |
[INFO] [stderr]    = help: if you wanted to use a crate named `futures_io`, use `cargo add futures_io` to add it to your `Cargo.toml`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `futures_io`
[INFO] [stderr]   --> src/io.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub use futures_io::AsyncWrite;
[INFO] [stderr]    |         ^^^^^^^^^^ use of unresolved module or unlinked crate `futures_io`
[INFO] [stderr]    |
[INFO] [stderr]    = help: if you wanted to use a crate named `futures_io`, use `cargo add futures_io` to add it to your `Cargo.toml`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2025-10-28-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2021 --crate-type lib --color auto --crate-name rtx --test src/lib.rs --test-run-directory /opt/rustwide/workdir -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern pin_project_lite=/opt/rustwide/target/debug/deps/libpin_project_lite-72bf04572caa1c84.rlib --extern rtx=/opt/rustwide/target/debug/deps/librtx-8bfe8608b9b5d6e9.rlib --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-c4b0763233bab5f9.rlib -C embed-bitcode=no --cfg 'feature="default"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("async", "async-io", "async-std", "async-std_", "blocking", "default", "futures-core", "futures-io", "futures-util", "tokio", "tokio_"))' --cap-lints=warn --error-format human` (exit status: 1)
[INFO] [stderr] note: test exited abnormally; to see the full output pass --no-capture to the harness.
[INFO] running `Command { std: "docker" "inspect" "d8182b6ab5dce0eabc92c5c8afe2c0874ccc443de17767cdeb6dbf6477edf0b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8182b6ab5dce0eabc92c5c8afe2c0874ccc443de17767cdeb6dbf6477edf0b5", kill_on_drop: false }`
[INFO] [stdout] d8182b6ab5dce0eabc92c5c8afe2c0874ccc443de17767cdeb6dbf6477edf0b5