[INFO] fetching crate smpsc 0.2.2...
[INFO] testing smpsc-0.2.2 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate smpsc 0.2.2 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate smpsc 0.2.2
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate smpsc 0.2.2
[INFO] tweaked toml for crates.io crate smpsc 0.2.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate smpsc 0.2.2 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] crate crates.io crate smpsc 0.2.2 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] 0a9b1b73af7c879991db369a4ac4024910f77ef69c9b4faa6107f2cb5e98da94
[INFO] running `Command { std: "docker" "start" "-a" "0a9b1b73af7c879991db369a4ac4024910f77ef69c9b4faa6107f2cb5e98da94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a9b1b73af7c879991db369a4ac4024910f77ef69c9b4faa6107f2cb5e98da94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a9b1b73af7c879991db369a4ac4024910f77ef69c9b4faa6107f2cb5e98da94", kill_on_drop: false }`
[INFO] [stdout] 0a9b1b73af7c879991db369a4ac4024910f77ef69c9b4faa6107f2cb5e98da94
[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] 11b76a3c4f67e3144bdcbd27a5b799b7f2804d2c3dbd6d3de7601fba740f1bb0
[INFO] running `Command { std: "docker" "start" "-a" "11b76a3c4f67e3144bdcbd27a5b799b7f2804d2c3dbd6d3de7601fba740f1bb0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling tokio-stream v0.1.17
[INFO] [stderr]    Compiling async-sink v0.3.1
[INFO] [stderr]    Compiling smpsc v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.61s
[INFO] running `Command { std: "docker" "inspect" "11b76a3c4f67e3144bdcbd27a5b799b7f2804d2c3dbd6d3de7601fba740f1bb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11b76a3c4f67e3144bdcbd27a5b799b7f2804d2c3dbd6d3de7601fba740f1bb0", kill_on_drop: false }`
[INFO] [stdout] 11b76a3c4f67e3144bdcbd27a5b799b7f2804d2c3dbd6d3de7601fba740f1bb0
[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] 653146f2cf4fa8d978fa6d56f77ab84cc6e9e2442b20d57d18d4800403c25f13
[INFO] running `Command { std: "docker" "start" "-a" "653146f2cf4fa8d978fa6d56f77ab84cc6e9e2442b20d57d18d4800403c25f13", kill_on_drop: false }`
[INFO] [stderr]    Compiling slab v0.4.11
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling pin-project v1.1.10
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling tokio-stream-util v0.2.8
[INFO] [stderr]    Compiling futures-test v0.3.31
[INFO] [stderr]    Compiling smpsc v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 8.89s
[INFO] running `Command { std: "docker" "inspect" "653146f2cf4fa8d978fa6d56f77ab84cc6e9e2442b20d57d18d4800403c25f13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "653146f2cf4fa8d978fa6d56f77ab84cc6e9e2442b20d57d18d4800403c25f13", kill_on_drop: false }`
[INFO] [stdout] 653146f2cf4fa8d978fa6d56f77ab84cc6e9e2442b20d57d18d4800403c25f13
[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] 608f7d1680c043644780d01b771c4abefa1fde61e56798e0923495c065e48839
[INFO] running `Command { std: "docker" "start" "-a" "608f7d1680c043644780d01b771c4abefa1fde61e56798e0923495c065e48839", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/smpsc-3fa89f5b568b0c2f)
[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]      Running tests/sink.rs (/opt/rustwide/target/debug/deps/sink-909535fc9cb9b619)
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test buffer_noop ... ok
[INFO] [stdout] test either_sink ... ok
[INFO] [stdout] test err_into ... ok
[INFO] [stdout] test fanout_backpressure ... ok
[INFO] [stdout] test buffer ... ok
[INFO] [stdout] test fanout_smoke ... ok
[INFO] [stdout] test send ... ok
[INFO] [stdout] test send_all ... ok
[INFO] [stdout] test sink_map_err ... ok
[INFO] [stdout] test with_as_map ... ok
[INFO] [stdout] test with_flat_map ... ok
[INFO] [stdout] test with_flush_propagate ... ok
[INFO] [stdout] test sink_unfold ... ok
[INFO] [stdout] test vec_sink ... ok
[INFO] [stdout] test with_implements_clone ... ok
[INFO] [stdout] test vecdeque_sink ... ok
[INFO] [stdout] test with_flush ... ok
[INFO] [stdout] test with_propagates_poll_ready ... ok
[INFO] [stdout] test mpsc_blocking_start_send ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/sink_fanout.rs (/opt/rustwide/target/debug/deps/sink_fanout-61c4e41309620541)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests smpsc
[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" "608f7d1680c043644780d01b771c4abefa1fde61e56798e0923495c065e48839", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "608f7d1680c043644780d01b771c4abefa1fde61e56798e0923495c065e48839", kill_on_drop: false }`
[INFO] [stdout] 608f7d1680c043644780d01b771c4abefa1fde61e56798e0923495c065e48839
