[INFO] fetching crate futures-test-sink 0.1.1...
[INFO] testing futures-test-sink-0.1.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate futures-test-sink 0.1.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate futures-test-sink 0.1.1
[INFO] finished tweaking crates.io crate futures-test-sink 0.1.1
[INFO] tweaked toml for crates.io crate futures-test-sink 0.1.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate futures-test-sink 0.1.1 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 22 packages to latest compatible versions
[INFO] [stderr]       Adding async-task v1.3.1 (available: v4.7.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 91d290ef912bf8a42a604ccbdb4b9621166a8b65ffa5157a4b4bf71fad30887a
[INFO] running `Command { std: "docker" "start" "-a" "91d290ef912bf8a42a604ccbdb4b9621166a8b65ffa5157a4b4bf71fad30887a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "91d290ef912bf8a42a604ccbdb4b9621166a8b65ffa5157a4b4bf71fad30887a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91d290ef912bf8a42a604ccbdb4b9621166a8b65ffa5157a4b4bf71fad30887a", kill_on_drop: false }`
[INFO] [stdout] 91d290ef912bf8a42a604ccbdb4b9621166a8b65ffa5157a4b4bf71fad30887a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 98e37d317ac4578f799df1eaa942896c71c0132df720bb79ac64b380be9a35bf
[INFO] running `Command { std: "docker" "start" "-a" "98e37d317ac4578f799df1eaa942896c71c0132df720bb79ac64b380be9a35bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling futures-test-sink v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.16s
[INFO] running `Command { std: "docker" "inspect" "98e37d317ac4578f799df1eaa942896c71c0132df720bb79ac64b380be9a35bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98e37d317ac4578f799df1eaa942896c71c0132df720bb79ac64b380be9a35bf", kill_on_drop: false }`
[INFO] [stdout] 98e37d317ac4578f799df1eaa942896c71c0132df720bb79ac64b380be9a35bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 60b2cc2435028e3062ef15774c55c12883d996a2d9702827ffebcdb0507d35b0
[INFO] running `Command { std: "docker" "start" "-a" "60b2cc2435028e3062ef15774c55c12883d996a2d9702827ffebcdb0507d35b0", kill_on_drop: false }`
[INFO] [stderr]    Compiling async-task v1.3.1
[INFO] [stderr]    Compiling futures-test-sink v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `Command { std: "docker" "inspect" "60b2cc2435028e3062ef15774c55c12883d996a2d9702827ffebcdb0507d35b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60b2cc2435028e3062ef15774c55c12883d996a2d9702827ffebcdb0507d35b0", kill_on_drop: false }`
[INFO] [stdout] 60b2cc2435028e3062ef15774c55c12883d996a2d9702827ffebcdb0507d35b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0765d97ffcc7da657ba6192f8fcf8b4d1810287132d20de8fc7701bac5802a1e
[INFO] running `Command { std: "docker" "start" "-a" "0765d97ffcc7da657ba6192f8fcf8b4d1810287132d20de8fc7701bac5802a1e", 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/futures_test_sink-0b16de28e23d43b7)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test fuse_last::test::compile ... ok
[INFO] [stdout] test mock_sink::tests::error ... ok
[INFO] [stdout] test mock_sink::tests::drain_test ... ok
[INFO] [stdout] test mock_sink::tests::interleave_pending ... ok
[INFO] [stdout] test tests::test_from_iter ... ok
[INFO] [stdout] test tests::test_ok ... ok
[INFO] [stdout] test tests::test_interleave_pending ... ok
[INFO] [stdout] test mock_sink::tests::panic_after_close - should panic ... ok
[INFO] [stderr]    Doc-tests futures_test_sink
[INFO] [stdout] test mock_sink::tests::panic_no_call_poll_ready_test - should panic ... ok
[INFO] [stdout] test tests::test_panic_on_iter_end - should panic ... ok
[INFO] [stdout] test mock_sink::tests::panic_when_flus_feedback_ends - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/fuse_last.rs - fuse_last::IteratorExt::fuse_last (line 25) ... ok
[INFO] [stdout] test src/lib.rs - (line 114) ... ok
[INFO] [stdout] test src/fuse_last.rs - fuse_last::IteratorExt::fuse_last (line 14) ... ok
[INFO] [stdout] test src/lib.rs - (line 59) ... ok
[INFO] [stdout] test src/lib.rs - (line 7) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.83s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0765d97ffcc7da657ba6192f8fcf8b4d1810287132d20de8fc7701bac5802a1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0765d97ffcc7da657ba6192f8fcf8b4d1810287132d20de8fc7701bac5802a1e", kill_on_drop: false }`
[INFO] [stdout] 0765d97ffcc7da657ba6192f8fcf8b4d1810287132d20de8fc7701bac5802a1e