[INFO] fetching crate tokio_dual_stack 0.2.1...
[INFO] testing tokio_dual_stack-0.2.1 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate tokio_dual_stack 0.2.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate tokio_dual_stack 0.2.1
[INFO] finished tweaking crates.io crate tokio_dual_stack 0.2.1
[INFO] tweaked toml for crates.io crate tokio_dual_stack 0.2.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tokio_dual_stack 0.2.1 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] crate crates.io crate tokio_dual_stack 0.2.1 already has a lockfile, it will not be regenerated
[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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 55610b43830b936820575acd41b1f78a920cd2c45531806f91172c012aa26943
[INFO] running `Command { std: "docker" "start" "-a" "55610b43830b936820575acd41b1f78a920cd2c45531806f91172c012aa26943", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55610b43830b936820575acd41b1f78a920cd2c45531806f91172c012aa26943", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55610b43830b936820575acd41b1f78a920cd2c45531806f91172c012aa26943", kill_on_drop: false }`
[INFO] [stdout] 55610b43830b936820575acd41b1f78a920cd2c45531806f91172c012aa26943
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 192ba667870a63e098b55f8c02f0b9581d53e9636ef833c2f7ebbb0c088165e8
[INFO] running `Command { std: "docker" "start" "-a" "192ba667870a63e098b55f8c02f0b9581d53e9636ef833c2f7ebbb0c088165e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio v1.50.0
[INFO] [stderr]    Compiling tokio_dual_stack v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.17s
[INFO] running `Command { std: "docker" "inspect" "192ba667870a63e098b55f8c02f0b9581d53e9636ef833c2f7ebbb0c088165e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "192ba667870a63e098b55f8c02f0b9581d53e9636ef833c2f7ebbb0c088165e8", kill_on_drop: false }`
[INFO] [stdout] 192ba667870a63e098b55f8c02f0b9581d53e9636ef833c2f7ebbb0c088165e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] d072a63d9c57083f30f82cbc1ea54574fc94f67ced5e47506849ad9dcaaba644
[INFO] running `Command { std: "docker" "start" "-a" "d072a63d9c57083f30f82cbc1ea54574fc94f67ced5e47506849ad9dcaaba644", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio-macros v2.6.1
[INFO] [stderr]    Compiling tokio v1.50.0
[INFO] [stderr]    Compiling tokio_dual_stack v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 4.65s
[INFO] running `Command { std: "docker" "inspect" "d072a63d9c57083f30f82cbc1ea54574fc94f67ced5e47506849ad9dcaaba644", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d072a63d9c57083f30f82cbc1ea54574fc94f67ced5e47506849ad9dcaaba644", kill_on_drop: false }`
[INFO] [stdout] d072a63d9c57083f30f82cbc1ea54574fc94f67ced5e47506849ad9dcaaba644
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 20c3e215bd595861a8e4b86f3b986ee979f0fe2d8476ae32a47c91bae3a9878d
[INFO] running `Command { std: "docker" "start" "-a" "20c3e215bd595861a8e4b86f3b986ee979f0fe2d8476ae32a47c91bae3a9878d", 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/tokio_dual_stack-c59d58238ccb2010)
[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 tokio_dual_stack
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs - DualStackTcpListener::from_sockets (line 197) - compile ... ok
[INFO] [stdout] test src/lib.rs - DualStackTcpListener::local_addr (line 261) - compile ... ok
[INFO] [stdout] test src/lib.rs - DualStackTcpListener::ttl (line 344) - compile ... ok
[INFO] [stdout] test src/lib.rs - DualStackTcpListener::set_ttl (line 310) - compile ... ok
[INFO] [stdout] test src/lib.rs - Tcp::accept (line 120) - compile ... ok
[INFO] [stdout] test src/lib.rs - Tcp::bind (line 88) - compile ... ok
[INFO] [stdout] test src/lib.rs - Tcp (line 59) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 1.07s; merged doctests compilation took 1.06s
[INFO] running `Command { std: "docker" "inspect" "20c3e215bd595861a8e4b86f3b986ee979f0fe2d8476ae32a47c91bae3a9878d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20c3e215bd595861a8e4b86f3b986ee979f0fe2d8476ae32a47c91bae3a9878d", kill_on_drop: false }`
[INFO] [stdout] 20c3e215bd595861a8e4b86f3b986ee979f0fe2d8476ae32a47c91bae3a9878d
