[INFO] fetching crate streamson-futures 7.1.0...
[INFO] testing streamson-futures-7.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate streamson-futures 7.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate streamson-futures 7.1.0
[INFO] finished tweaking crates.io crate streamson-futures 7.1.0
[INFO] tweaked toml for crates.io crate streamson-futures 7.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate streamson-futures 7.1.0 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] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 53 packages to latest compatible versions
[INFO] [stderr]       Adding bytes v0.5.6 (available: v1.10.1)
[INFO] [stderr]       Adding tokio v0.2.25 (available: v1.47.1)
[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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 5bd46a211f850b02577e36ce33316903beccf72f5915d758d4d425802aa61bc8
[INFO] running `Command { std: "docker" "start" "-a" "5bd46a211f850b02577e36ce33316903beccf72f5915d758d4d425802aa61bc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5bd46a211f850b02577e36ce33316903beccf72f5915d758d4d425802aa61bc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bd46a211f850b02577e36ce33316903beccf72f5915d758d4d425802aa61bc8", kill_on_drop: false }`
[INFO] [stdout] 5bd46a211f850b02577e36ce33316903beccf72f5915d758d4d425802aa61bc8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] c763712b3fd2f676225d9395b4e20c8348fcf7f2d584df0cbede0e909aa1a30b
[INFO] running `Command { std: "docker" "start" "-a" "c763712b3fd2f676225d9395b4e20c8348fcf7f2d584df0cbede0e909aa1a30b", kill_on_drop: false }`
[INFO] [stderr]    Compiling sedregex v0.2.5
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling streamson-lib v7.1.0
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling streamson-futures v7.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.52s
[INFO] running `Command { std: "docker" "inspect" "c763712b3fd2f676225d9395b4e20c8348fcf7f2d584df0cbede0e909aa1a30b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c763712b3fd2f676225d9395b4e20c8348fcf7f2d584df0cbede0e909aa1a30b", kill_on_drop: false }`
[INFO] [stdout] c763712b3fd2f676225d9395b4e20c8348fcf7f2d584df0cbede0e909aa1a30b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 6969957fd7ace781c0fdb06bd09dcc35612d32eff561a90410d6cbff25ff2d5b
[INFO] running `Command { std: "docker" "start" "-a" "6969957fd7ace781c0fdb06bd09dcc35612d32eff561a90410d6cbff25ff2d5b", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling pin-project-lite v0.1.12
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling net2 v0.2.39
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling tokio v0.2.25
[INFO] [stderr]    Compiling streamson-futures v7.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 11.10s
[INFO] running `Command { std: "docker" "inspect" "6969957fd7ace781c0fdb06bd09dcc35612d32eff561a90410d6cbff25ff2d5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6969957fd7ace781c0fdb06bd09dcc35612d32eff561a90410d6cbff25ff2d5b", kill_on_drop: false }`
[INFO] [stdout] 6969957fd7ace781c0fdb06bd09dcc35612d32eff561a90410d6cbff25ff2d5b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 9876ead5fc8a8cc319e8ebdd3c22659dd1e4674f0ae1dacbe43cf7f0cd44f34f
[INFO] running `Command { std: "docker" "start" "-a" "9876ead5fc8a8cc319e8ebdd3c22659dd1e4674f0ae1dacbe43cf7f0cd44f34f", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/streamson_futures-71de51eba3ddb6c6)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test stream::test::test_basic ... ok
[INFO] [stdout] test stream::test::test_error ... ok
[INFO] [stderr]    Doc-tests streamson_futures
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/stream.rs - stream::BufferStream (line 24) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.39s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9876ead5fc8a8cc319e8ebdd3c22659dd1e4674f0ae1dacbe43cf7f0cd44f34f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9876ead5fc8a8cc319e8ebdd3c22659dd1e4674f0ae1dacbe43cf7f0cd44f34f", kill_on_drop: false }`
[INFO] [stdout] 9876ead5fc8a8cc319e8ebdd3c22659dd1e4674f0ae1dacbe43cf7f0cd44f34f