[INFO] fetching crate streams 0.0.2...
[INFO] testing streams-0.0.2 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate streams 0.0.2 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate streams 0.0.2
[INFO] finished tweaking crates.io crate streams 0.0.2
[INFO] tweaked toml for crates.io crate streams 0.0.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate streams 0.0.2 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "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-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 20 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c4655a2fe85abe8e1339a198013af9490bdcf39c764020f9bf2136b5fdb38ef7
[INFO] running `Command { std: "docker" "start" "-a" "c4655a2fe85abe8e1339a198013af9490bdcf39c764020f9bf2136b5fdb38ef7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4655a2fe85abe8e1339a198013af9490bdcf39c764020f9bf2136b5fdb38ef7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4655a2fe85abe8e1339a198013af9490bdcf39c764020f9bf2136b5fdb38ef7", kill_on_drop: false }`
[INFO] [stdout] c4655a2fe85abe8e1339a198013af9490bdcf39c764020f9bf2136b5fdb38ef7
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 869fd92e0d2337cff230f2992035581bf2a8a62c75ba0bf6dd658e511f8c1570
[INFO] running `Command { std: "docker" "start" "-a" "869fd92e0d2337cff230f2992035581bf2a8a62c75ba0bf6dd658e511f8c1570", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.32
[INFO] [stderr]    Compiling futures-sink v0.3.32
[INFO] [stderr]    Compiling futures-io v0.3.32
[INFO] [stderr]    Compiling slab v0.4.12
[INFO] [stderr]    Compiling futures-task v0.3.32
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling futures-channel v0.3.32
[INFO] [stderr]    Compiling futures-macro v0.3.32
[INFO] [stderr]    Compiling pin-project-internal v1.1.11
[INFO] [stderr]    Compiling futures-util v0.3.32
[INFO] [stderr]    Compiling pin-project v1.1.11
[INFO] [stderr]    Compiling futures-executor v0.3.32
[INFO] [stderr]    Compiling futures v0.3.32
[INFO] [stderr]    Compiling streams v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.14s
[INFO] running `Command { std: "docker" "inspect" "869fd92e0d2337cff230f2992035581bf2a8a62c75ba0bf6dd658e511f8c1570", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "869fd92e0d2337cff230f2992035581bf2a8a62c75ba0bf6dd658e511f8c1570", kill_on_drop: false }`
[INFO] [stdout] 869fd92e0d2337cff230f2992035581bf2a8a62c75ba0bf6dd658e511f8c1570
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 59b99aa62ee29afbbf255662552c8159d5ff09b56175af5b5e1abddd65f47a01
[INFO] running `Command { std: "docker" "start" "-a" "59b99aa62ee29afbbf255662552c8159d5ff09b56175af5b5e1abddd65f47a01", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio-macros v2.7.0
[INFO] [stderr]    Compiling tokio v1.52.1
[INFO] [stderr]    Compiling streams v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.24s
[INFO] running `Command { std: "docker" "inspect" "59b99aa62ee29afbbf255662552c8159d5ff09b56175af5b5e1abddd65f47a01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59b99aa62ee29afbbf255662552c8159d5ff09b56175af5b5e1abddd65f47a01", kill_on_drop: false }`
[INFO] [stdout] 59b99aa62ee29afbbf255662552c8159d5ff09b56175af5b5e1abddd65f47a01
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 49039300dc99773f27b78341e829c39096fe027736346cdde76bd7756eccae9e
[INFO] running `Command { std: "docker" "start" "-a" "49039300dc99773f27b78341e829c39096fe027736346cdde76bd7756eccae9e", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/streams-c865c9ce4da7110c)
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test expand::tests::acts_as_normal_stream ... ok
[INFO] [stdout] test expand::tests::repeats_the_last_item_if_not_termiated ... ok
[INFO] [stdout] test expand::tests::empty_stream_immediately_ends ... ok
[INFO] [stdout] test expand::tests::repeats_the_last_item_if_poll_is_pending ... ok
[INFO] [stdout] test expand::tests::try_stream_normal_termination ... ok
[INFO] [stdout] test latest_ready::tests::an_item_is_yielded_only_if_the_upstream_returns_pending_try_stream ... ok
[INFO] [stdout] test expand::tests::repeats_the_last_item_while_item_is_pending ... ok
[INFO] [stdout] test expand::tests::try_stream_early_termination ... ok
[INFO] [stdout] test latest_ready::tests::during_the_bursts_only_the_last_ready_element_is_yielded ... ok
[INFO] [stdout] test latest_ready::tests::during_the_bursts_only_the_last_ready_element_is_yielded_try_stream ... ok
[INFO] [stdout] test latest_ready::tests::empty_try_stream ... ok
[INFO] [stdout] test latest_ready::tests::early_return ... ok
[INFO] [stdout] test zip_biased::tests::left_empty ... ok
[INFO] [stdout] test latest_ready::tests::empty_stream ... ok
[INFO] [stdout] test zip_biased::tests::right_empty ... ok
[INFO] [stdout] test latest_ready::tests::an_item_is_yielded_only_if_the_upstream_returns_pending ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests streams
[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" "49039300dc99773f27b78341e829c39096fe027736346cdde76bd7756eccae9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49039300dc99773f27b78341e829c39096fe027736346cdde76bd7756eccae9e", kill_on_drop: false }`
[INFO] [stdout] 49039300dc99773f27b78341e829c39096fe027736346cdde76bd7756eccae9e
