[INFO] fetching crate stio 0.0.1...
[INFO] testing stio-0.0.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate stio 0.0.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate stio 0.0.1
[INFO] finished tweaking crates.io crate stio 0.0.1
[INFO] tweaked toml for crates.io crate stio 0.0.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate stio 0.0.1 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 stio 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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 3f3941f454820f423fe9c2f69383039f606390d0f359ea0d828ca2a37629654d
[INFO] running `Command { std: "docker" "start" "-a" "3f3941f454820f423fe9c2f69383039f606390d0f359ea0d828ca2a37629654d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f3941f454820f423fe9c2f69383039f606390d0f359ea0d828ca2a37629654d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f3941f454820f423fe9c2f69383039f606390d0f359ea0d828ca2a37629654d", kill_on_drop: false }`
[INFO] [stdout] 3f3941f454820f423fe9c2f69383039f606390d0f359ea0d828ca2a37629654d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 99c51ad2b885db3244749cd313fe5f41ec3ec1e1d327a7806b56bde7faea9ffd
[INFO] running `Command { std: "docker" "start" "-a" "99c51ad2b885db3244749cd313fe5f41ec3ec1e1d327a7806b56bde7faea9ffd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling stio v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lint `unused_tuple_struct_fields` has been renamed to `dead_code`
[INFO] [stdout]   --> src/lib.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 | #![warn(unused_tuple_struct_fields)]
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `dead_code`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.16s
[INFO] running `Command { std: "docker" "inspect" "99c51ad2b885db3244749cd313fe5f41ec3ec1e1d327a7806b56bde7faea9ffd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99c51ad2b885db3244749cd313fe5f41ec3ec1e1d327a7806b56bde7faea9ffd", kill_on_drop: false }`
[INFO] [stdout] 99c51ad2b885db3244749cd313fe5f41ec3ec1e1d327a7806b56bde7faea9ffd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 831cea324e2707073b3f65fb460e200250bb61fb3a832de8f9ad8b483a66be70
[INFO] running `Command { std: "docker" "start" "-a" "831cea324e2707073b3f65fb460e200250bb61fb3a832de8f9ad8b483a66be70", kill_on_drop: false }`
[INFO] [stderr]    Compiling itoa v1.0.10
[INFO] [stderr]    Compiling futures-core v0.3.30
[INFO] [stderr]    Compiling pin-project-lite v0.2.13
[INFO] [stderr]    Compiling bytes v1.5.0
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]    Compiling futures-task v0.3.30
[INFO] [stderr]    Compiling smallvec v1.13.1
[INFO] [stdout] warning: lint `unused_tuple_struct_fields` has been renamed to `dead_code`
[INFO] [stdout]   --> src/lib.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 | #![warn(unused_tuple_struct_fields)]
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `dead_code`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tokio v1.36.0
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stderr]    Compiling futures-channel v0.3.30
[INFO] [stderr]    Compiling http v1.1.0
[INFO] [stderr]    Compiling http-body v1.0.0
[INFO] [stderr]    Compiling http-body-util v0.1.0
[INFO] [stderr]    Compiling hyper v1.2.0
[INFO] [stderr]    Compiling stio v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lint `unused_tuple_struct_fields` has been renamed to `dead_code`
[INFO] [stdout]   --> src/lib.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 | #![warn(unused_tuple_struct_fields)]
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `dead_code`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 9.42s
[INFO] running `Command { std: "docker" "inspect" "831cea324e2707073b3f65fb460e200250bb61fb3a832de8f9ad8b483a66be70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "831cea324e2707073b3f65fb460e200250bb61fb3a832de8f9ad8b483a66be70", kill_on_drop: false }`
[INFO] [stdout] 831cea324e2707073b3f65fb460e200250bb61fb3a832de8f9ad8b483a66be70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e0ab9bd7ad8aa923c05f3750b774c0ab4a597dd73b378e091a02543e7347874b
[INFO] running `Command { std: "docker" "start" "-a" "e0ab9bd7ad8aa923c05f3750b774c0ab4a597dd73b378e091a02543e7347874b", kill_on_drop: false }`
[INFO] [stderr] warning: lint `unused_tuple_struct_fields` has been renamed to `dead_code`
[INFO] [stderr]   --> src/lib.rs:44:9
[INFO] [stderr]    |
[INFO] [stderr] 44 | #![warn(unused_tuple_struct_fields)]
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `dead_code`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `stio` (lib) generated 1 warning (run `cargo fix --lib -p stio` to apply 1 suggestion)
[INFO] [stderr] warning: `stio` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/stio-cb33bfb22d3d53d6)
[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 stio
[INFO] [stderr] warning: lint `unused_tuple_struct_fields` has been renamed to `dead_code`
[INFO] [stdout] 
[INFO] [stderr]   --> src/lib.rs:44:9
[INFO] [stdout] running 0 tests
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 44 | #![warn(unused_tuple_struct_fields)]
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `dead_code`
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] running `Command { std: "docker" "inspect" "e0ab9bd7ad8aa923c05f3750b774c0ab4a597dd73b378e091a02543e7347874b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0ab9bd7ad8aa923c05f3750b774c0ab4a597dd73b378e091a02543e7347874b", kill_on_drop: false }`
[INFO] [stdout] e0ab9bd7ad8aa923c05f3750b774c0ab4a597dd73b378e091a02543e7347874b