[INFO] fetching crate futures-io 0.3.31...
[INFO] testing futures-io-0.3.31 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate futures-io 0.3.31 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate futures-io 0.3.31
[INFO] finished tweaking crates.io crate futures-io 0.3.31
[INFO] tweaked toml for crates.io crate futures-io 0.3.31 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate futures-io 0.3.31 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] d42ad3f283b417e3345adfe0ef8f922180ac7252284465c48f4beacc87a56600
[INFO] running `Command { std: "docker" "start" "-a" "d42ad3f283b417e3345adfe0ef8f922180ac7252284465c48f4beacc87a56600", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d42ad3f283b417e3345adfe0ef8f922180ac7252284465c48f4beacc87a56600", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d42ad3f283b417e3345adfe0ef8f922180ac7252284465c48f4beacc87a56600", kill_on_drop: false }`
[INFO] [stdout] d42ad3f283b417e3345adfe0ef8f922180ac7252284465c48f4beacc87a56600
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] f37adef3d5ec1c588ecfbd80da920c3d9899bcdf2e40707cb27dfa057089c9f2
[INFO] running `Command { std: "docker" "start" "-a" "f37adef3d5ec1c588ecfbd80da920c3d9899bcdf2e40707cb27dfa057089c9f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-io v0.3.31 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "f37adef3d5ec1c588ecfbd80da920c3d9899bcdf2e40707cb27dfa057089c9f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f37adef3d5ec1c588ecfbd80da920c3d9899bcdf2e40707cb27dfa057089c9f2", kill_on_drop: false }`
[INFO] [stdout] f37adef3d5ec1c588ecfbd80da920c3d9899bcdf2e40707cb27dfa057089c9f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 33f01559c7113815dd80e84c319a5a8ba0ef4e8411839cff8ea0af25e3dde1d7
[INFO] running `Command { std: "docker" "start" "-a" "33f01559c7113815dd80e84c319a5a8ba0ef4e8411839cff8ea0af25e3dde1d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-io v0.3.31 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "33f01559c7113815dd80e84c319a5a8ba0ef4e8411839cff8ea0af25e3dde1d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33f01559c7113815dd80e84c319a5a8ba0ef4e8411839cff8ea0af25e3dde1d7", kill_on_drop: false }`
[INFO] [stdout] 33f01559c7113815dd80e84c319a5a8ba0ef4e8411839cff8ea0af25e3dde1d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] ac0e077e21698989ae5ade6461adf21492915d932eed5c78915e5f7915b410c6
[INFO] running `Command { std: "docker" "start" "-a" "ac0e077e21698989ae5ade6461adf21492915d932eed5c78915e5f7915b410c6", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/futures_io-83cb935615aa5a49)
[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 futures_io
[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] running `Command { std: "docker" "inspect" "ac0e077e21698989ae5ade6461adf21492915d932eed5c78915e5f7915b410c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac0e077e21698989ae5ade6461adf21492915d932eed5c78915e5f7915b410c6", kill_on_drop: false }`
[INFO] [stdout] ac0e077e21698989ae5ade6461adf21492915d932eed5c78915e5f7915b410c6