[INFO] fetching crate futures-testing 0.1.1...
[INFO] testing futures-testing-0.1.1 against beta-2026-03-05 for beta-1.95-1
[INFO] extracting crate futures-testing 0.1.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate futures-testing 0.1.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate futures-testing 0.1.1
[INFO] tweaked toml for crates.io crate futures-testing 0.1.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate futures-testing 0.1.1 on toolchain beta-2026-03-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate futures-testing 0.1.1 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-2026-03-05" "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-2026-03-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ec9a6e939260193b2507f0760112989a4764632654636a9cbefde847caea34ce
[INFO] running `Command { std: "docker" "start" "-a" "ec9a6e939260193b2507f0760112989a4764632654636a9cbefde847caea34ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec9a6e939260193b2507f0760112989a4764632654636a9cbefde847caea34ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec9a6e939260193b2507f0760112989a4764632654636a9cbefde847caea34ce", kill_on_drop: false }`
[INFO] [stdout] ec9a6e939260193b2507f0760112989a4764632654636a9cbefde847caea34ce
[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-2026-03-05" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6db419929f7011b2e2f76b2adde9b4f72cd10fc2f5e5b847986835b436e2b067
[INFO] running `Command { std: "docker" "start" "-a" "6db419929f7011b2e2f76b2adde9b4f72cd10fc2f5e5b847986835b436e2b067", kill_on_drop: false }`
[INFO] [stderr]    Compiling arbitrary v1.4.1
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]    Compiling arbtest v0.3.2
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling futures-testing v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.87s
[INFO] running `Command { std: "docker" "inspect" "6db419929f7011b2e2f76b2adde9b4f72cd10fc2f5e5b847986835b436e2b067", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6db419929f7011b2e2f76b2adde9b4f72cd10fc2f5e5b847986835b436e2b067", kill_on_drop: false }`
[INFO] [stdout] 6db419929f7011b2e2f76b2adde9b4f72cd10fc2f5e5b847986835b436e2b067
[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-2026-03-05" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 74d73806a02476093824cd64c8864c4b3029f21c835f6544f65622f5a1b9cbd0
[INFO] running `Command { std: "docker" "start" "-a" "74d73806a02476093824cd64c8864c4b3029f21c835f6544f65622f5a1b9cbd0", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling thread_local v1.1.9
[INFO] [stderr]    Compiling tokio v1.43.0
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling diatomic-waker v0.2.3
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling tracing-subscriber v0.3.22
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures-testing v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 8.62s
[INFO] running `Command { std: "docker" "inspect" "74d73806a02476093824cd64c8864c4b3029f21c835f6544f65622f5a1b9cbd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74d73806a02476093824cd64c8864c4b3029f21c835f6544f65622f5a1b9cbd0", kill_on_drop: false }`
[INFO] [stdout] 74d73806a02476093824cd64c8864c4b3029f21c835f6544f65622f5a1b9cbd0
[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-2026-03-05" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a533e815e773849e4cfd42499188d74242657c4e60279bf29e47bb6cd0efcf42
[INFO] running `Command { std: "docker" "start" "-a" "a533e815e773849e4cfd42499188d74242657c4e60279bf29e47bb6cd0efcf42", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/futures_testing-06ba9347ff354b7b)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running tests/async-driver.rs (/opt/rustwide/target/debug/deps/async_driver-f8d6d73a3013a24d)
[INFO] [stdout] test runner::tests::exhausted_buffer_returns_error_instead_of_livelock ... 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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test async_driver ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/diatomic-waker.rs (/opt/rustwide/target/debug/deps/diatomic_waker-15dad5b696d430d7)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running tests/failures.rs (/opt/rustwide/target/debug/deps/failures-ed77acc373b67f8a)
[INFO] [stdout] test oneshot ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test mpsc_cancel_unsafe - should panic ... ok
[INFO] [stdout] test no_waker_registration - should panic ... ok
[INFO] [stdout] test stale_waker - should panic ... ok
[INFO] [stdout] test spurious_poll - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/futures-mpsc.rs (/opt/rustwide/target/debug/deps/futures_mpsc-4c47b18c7915ef05)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test mpsc ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running tests/tokio-mpsc.rs (/opt/rustwide/target/debug/deps/tokio_mpsc-99c9d6bed6920c40)
[INFO] [stdout] test mpsc_rx ... ok
[INFO] [stdout] test mpsc_tx ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/tokio-oneshot.rs (/opt/rustwide/target/debug/deps/tokio_oneshot-a2f5b501b2e879d7)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test oneshot ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests futures_testing
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - ArbitraryDefault (line 208) ... ignored
[INFO] [stdout] test src/lib.rs - (line 42) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.13s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - testcase (line 141) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.93s; merged doctests compilation took 0.79s
[INFO] running `Command { std: "docker" "inspect" "a533e815e773849e4cfd42499188d74242657c4e60279bf29e47bb6cd0efcf42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a533e815e773849e4cfd42499188d74242657c4e60279bf29e47bb6cd0efcf42", kill_on_drop: false }`
[INFO] [stdout] a533e815e773849e4cfd42499188d74242657c4e60279bf29e47bb6cd0efcf42
