[INFO] fetching crate tokio-duplex 1.0.1...
[INFO] testing tokio-duplex-1.0.1 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate tokio-duplex 1.0.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate tokio-duplex 1.0.1
[INFO] finished tweaking crates.io crate tokio-duplex 1.0.1
[INFO] tweaked toml for crates.io crate tokio-duplex 1.0.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tokio-duplex 1.0.1 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] 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 2 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] 0b9a2cad5d8059f2022d1a1a96f14acc4d38ad72a2f5cdc236baa3d1c975d43a
[INFO] running `Command { std: "docker" "start" "-a" "0b9a2cad5d8059f2022d1a1a96f14acc4d38ad72a2f5cdc236baa3d1c975d43a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b9a2cad5d8059f2022d1a1a96f14acc4d38ad72a2f5cdc236baa3d1c975d43a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b9a2cad5d8059f2022d1a1a96f14acc4d38ad72a2f5cdc236baa3d1c975d43a", kill_on_drop: false }`
[INFO] [stdout] 0b9a2cad5d8059f2022d1a1a96f14acc4d38ad72a2f5cdc236baa3d1c975d43a
[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] 11d730e0198e9e9f6a1012882fc492b780b67bbbd45e75236b82e6b315cd1a78
[INFO] running `Command { std: "docker" "start" "-a" "11d730e0198e9e9f6a1012882fc492b780b67bbbd45e75236b82e6b315cd1a78", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio v1.52.1
[INFO] [stderr]    Compiling tokio-duplex v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "11d730e0198e9e9f6a1012882fc492b780b67bbbd45e75236b82e6b315cd1a78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11d730e0198e9e9f6a1012882fc492b780b67bbbd45e75236b82e6b315cd1a78", kill_on_drop: false }`
[INFO] [stdout] 11d730e0198e9e9f6a1012882fc492b780b67bbbd45e75236b82e6b315cd1a78
[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] 96a7a69c993cc3035680f6d829109311e5a8d720b43b60f6a3b5ff7b707dec82
[INFO] running `Command { std: "docker" "start" "-a" "96a7a69c993cc3035680f6d829109311e5a8d720b43b60f6a3b5ff7b707dec82", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio-duplex v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "96a7a69c993cc3035680f6d829109311e5a8d720b43b60f6a3b5ff7b707dec82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96a7a69c993cc3035680f6d829109311e5a8d720b43b60f6a3b5ff7b707dec82", kill_on_drop: false }`
[INFO] [stdout] 96a7a69c993cc3035680f6d829109311e5a8d720b43b60f6a3b5ff7b707dec82
[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] ac7f3462393cadf7d0b1c51a7ad9580e3c151cbfeac41ee44b3cdfb469f18e5f
[INFO] running `Command { std: "docker" "start" "-a" "ac7f3462393cadf7d0b1c51a7ad9580e3c151cbfeac41ee44b3cdfb469f18e5f", 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_duplex-f9fb6d661775e4ed)
[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_duplex
[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" "ac7f3462393cadf7d0b1c51a7ad9580e3c151cbfeac41ee44b3cdfb469f18e5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac7f3462393cadf7d0b1c51a7ad9580e3c151cbfeac41ee44b3cdfb469f18e5f", kill_on_drop: false }`
[INFO] [stdout] ac7f3462393cadf7d0b1c51a7ad9580e3c151cbfeac41ee44b3cdfb469f18e5f
