[INFO] fetching crate streams 0.0.2...
[INFO] testing streams-0.0.2 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate streams 0.0.2 into /workspace/builds/worker-1-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-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate streams 0.0.2 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 990969dfccd62f192fb908ab4268f9cbc7bb4845a11dbb8f530e58e4375c0ce3
[INFO] running `Command { std: "docker" "start" "-a" "990969dfccd62f192fb908ab4268f9cbc7bb4845a11dbb8f530e58e4375c0ce3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "990969dfccd62f192fb908ab4268f9cbc7bb4845a11dbb8f530e58e4375c0ce3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "990969dfccd62f192fb908ab4268f9cbc7bb4845a11dbb8f530e58e4375c0ce3", kill_on_drop: false }`
[INFO] [stdout] 990969dfccd62f192fb908ab4268f9cbc7bb4845a11dbb8f530e58e4375c0ce3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 96f2ba1834d440d355d070f44a41929e72cd61c9828e14f13b3a3f9655f5f224
[INFO] running `Command { std: "docker" "start" "-a" "96f2ba1834d440d355d070f44a41929e72cd61c9828e14f13b3a3f9655f5f224", kill_on_drop: false }`
[INFO] [stderr]    Compiling slab v0.4.12
[INFO] [stderr]    Compiling syn v2.0.117
[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 10.69s
[INFO] running `Command { std: "docker" "inspect" "96f2ba1834d440d355d070f44a41929e72cd61c9828e14f13b3a3f9655f5f224", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96f2ba1834d440d355d070f44a41929e72cd61c9828e14f13b3a3f9655f5f224", kill_on_drop: false }`
[INFO] [stdout] 96f2ba1834d440d355d070f44a41929e72cd61c9828e14f13b3a3f9655f5f224
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 21cdf55b9c8c354165907a68ab9ea86478ff7ea1a2e351ab70c88757d3b3c60d
[INFO] running `Command { std: "docker" "start" "-a" "21cdf55b9c8c354165907a68ab9ea86478ff7ea1a2e351ab70c88757d3b3c60d", 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 5.34s
[INFO] running `Command { std: "docker" "inspect" "21cdf55b9c8c354165907a68ab9ea86478ff7ea1a2e351ab70c88757d3b3c60d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21cdf55b9c8c354165907a68ab9ea86478ff7ea1a2e351ab70c88757d3b3c60d", kill_on_drop: false }`
[INFO] [stdout] 21cdf55b9c8c354165907a68ab9ea86478ff7ea1a2e351ab70c88757d3b3c60d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 01bc71feb4e2af544038e3a005eb3094ae5ac82dbb501729f9536665680ff581
[INFO] running `Command { std: "docker" "start" "-a" "01bc71feb4e2af544038e3a005eb3094ae5ac82dbb501729f9536665680ff581", 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-67a607da95d9bed7)
[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_poll_is_pending ... 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 latest_ready::tests::an_item_is_yielded_only_if_the_upstream_returns_pending ... ok
[INFO] [stdout] test expand::tests::try_stream_normal_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::early_return ... ok
[INFO] [stdout] test latest_ready::tests::an_item_is_yielded_only_if_the_upstream_returns_pending_try_stream ... ok
[INFO] [stdout] test latest_ready::tests::empty_stream ... ok
[INFO] [stdout] test latest_ready::tests::empty_try_stream ... ok
[INFO] [stdout] test expand::tests::repeats_the_last_item_while_item_is_pending ... ok
[INFO] [stdout] test zip_biased::tests::left_empty ... ok
[INFO] [stdout] test zip_biased::tests::right_empty ... ok
[INFO] [stdout] test expand::tests::try_stream_early_termination ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[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" "01bc71feb4e2af544038e3a005eb3094ae5ac82dbb501729f9536665680ff581", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01bc71feb4e2af544038e3a005eb3094ae5ac82dbb501729f9536665680ff581", kill_on_drop: false }`
[INFO] [stdout] 01bc71feb4e2af544038e3a005eb3094ae5ac82dbb501729f9536665680ff581