[INFO] fetching crate tokio-tower 0.7.0-rc4...
[INFO] testing tokio-tower-0.7.0-rc4 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate tokio-tower 0.7.0-rc4 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate tokio-tower 0.7.0-rc4
[INFO] finished tweaking crates.io crate tokio-tower 0.7.0-rc4
[INFO] tweaked toml for crates.io crate tokio-tower 0.7.0-rc4 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tokio-tower 0.7.0-rc4 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 55 packages to latest compatible versions
[INFO] [stderr]       Adding async-bincode v0.6.2 (available: v0.8.0)
[INFO] [stderr]       Adding tower v0.4.13 (available: v0.5.3)
[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-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ea760b629b43205694cfba4c4166105ff3550e52b04d6ed2487d72cf7ca71680
[INFO] running `Command { std: "docker" "start" "-a" "ea760b629b43205694cfba4c4166105ff3550e52b04d6ed2487d72cf7ca71680", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea760b629b43205694cfba4c4166105ff3550e52b04d6ed2487d72cf7ca71680", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea760b629b43205694cfba4c4166105ff3550e52b04d6ed2487d72cf7ca71680", kill_on_drop: false }`
[INFO] [stdout] ea760b629b43205694cfba4c4166105ff3550e52b04d6ed2487d72cf7ca71680
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 68eada6a1c664fb6dcec8447cf30987d385cacdb660d3fe27795a37822e18212
[INFO] running `Command { std: "docker" "start" "-a" "68eada6a1c664fb6dcec8447cf30987d385cacdb660d3fe27795a37822e18212", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling errno v0.3.14
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling crossbeam-queue v0.3.12
[INFO] [stderr]    Compiling signal-hook-registry v1.4.8
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling crossbeam v0.8.4
[INFO] [stderr]    Compiling tokio-macros v2.7.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]    Compiling pin-project-internal v1.1.11
[INFO] [stderr]    Compiling futures-macro v0.3.32
[INFO] [stderr]    Compiling futures-util v0.3.32
[INFO] [stderr]    Compiling tokio v1.52.1
[INFO] [stderr]    Compiling pin-project v1.1.11
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling tower v0.4.13
[INFO] [stderr]    Compiling tokio-tower v0.7.0-rc4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.74s
[INFO] running `Command { std: "docker" "inspect" "68eada6a1c664fb6dcec8447cf30987d385cacdb660d3fe27795a37822e18212", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68eada6a1c664fb6dcec8447cf30987d385cacdb660d3fe27795a37822e18212", kill_on_drop: false }`
[INFO] [stdout] 68eada6a1c664fb6dcec8447cf30987d385cacdb660d3fe27795a37822e18212
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 04eb75ead36651f5dbd6b256313d0dfc065d6d9303359118b64d11468b20bc42
[INFO] running `Command { std: "docker" "start" "-a" "04eb75ead36651f5dbd6b256313d0dfc065d6d9303359118b64d11468b20bc42", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio-stream v0.1.18
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling tokio-test v0.4.5
[INFO] [stderr]    Compiling tower-test v0.4.0
[INFO] [stderr]    Compiling async-bincode v0.6.2
[INFO] [stderr]    Compiling tokio-tower v0.7.0-rc4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 10.25s
[INFO] running `Command { std: "docker" "inspect" "04eb75ead36651f5dbd6b256313d0dfc065d6d9303359118b64d11468b20bc42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04eb75ead36651f5dbd6b256313d0dfc065d6d9303359118b64d11468b20bc42", kill_on_drop: false }`
[INFO] [stdout] 04eb75ead36651f5dbd6b256313d0dfc065d6d9303359118b64d11468b20bc42
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 28436ed6a99daf6da44cd3c5ab5febde1773268e21ef9a096d530202af86e626
[INFO] running `Command { std: "docker" "start" "-a" "28436ed6a99daf6da44cd3c5ab5febde1773268e21ef9a096d530202af86e626", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tokio_tower-c3035a6783262423)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test mediator::test::basic ... ok
[INFO] [stdout] test mediator::test::sender_sees_receiver_drop ... ok
[INFO] [stdout] test mediator::test::notified_on_empty_drop ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/lib.rs (/opt/rustwide/target/debug/deps/lib-9c402e1974db221d)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test multiplex::racing_close ... ok
[INFO] [stdout] test pipeline::client::it_works ... ok
[INFO] [stdout] test pipeline::integration ... ok
[INFO] [stdout] test pipeline::racing_close ... ok
[INFO] [stdout] test multiplex::integration ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tokio_tower
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 44) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.16s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "28436ed6a99daf6da44cd3c5ab5febde1773268e21ef9a096d530202af86e626", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28436ed6a99daf6da44cd3c5ab5febde1773268e21ef9a096d530202af86e626", kill_on_drop: false }`
[INFO] [stdout] 28436ed6a99daf6da44cd3c5ab5febde1773268e21ef9a096d530202af86e626
