[INFO] fetching crate futures-util 0.3.21...
[INFO] testing futures-util-0.3.21 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate futures-util 0.3.21 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate futures-util 0.3.21 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate futures-util 0.3.21
[INFO] finished tweaking crates.io crate futures-util 0.3.21
[INFO] tweaked toml for crates.io crate futures-util 0.3.21 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d10aae2941f66d0d3c14ff37549f0edfb0e258150229a66e26d334614bb7d25f
[INFO] running `Command { std: "docker" "start" "-a" "d10aae2941f66d0d3c14ff37549f0edfb0e258150229a66e26d334614bb7d25f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d10aae2941f66d0d3c14ff37549f0edfb0e258150229a66e26d334614bb7d25f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d10aae2941f66d0d3c14ff37549f0edfb0e258150229a66e26d334614bb7d25f", kill_on_drop: false }`
[INFO] [stdout] d10aae2941f66d0d3c14ff37549f0edfb0e258150229a66e26d334614bb7d25f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 53e3802e139ff10dea076a4fc91dc27c288c92901758f3830a17a711f5d64c45
[INFO] running `Command { std: "docker" "start" "-a" "53e3802e139ff10dea076a4fc91dc27c288c92901758f3830a17a711f5d64c45", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-util v0.3.21 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.65s
[INFO] running `Command { std: "docker" "inspect" "53e3802e139ff10dea076a4fc91dc27c288c92901758f3830a17a711f5d64c45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53e3802e139ff10dea076a4fc91dc27c288c92901758f3830a17a711f5d64c45", kill_on_drop: false }`
[INFO] [stdout] 53e3802e139ff10dea076a4fc91dc27c288c92901758f3830a17a711f5d64c45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 23a5703ac07c88924f6615ac550f8526ebdca1c9028f0b248801741ac93c8c87
[INFO] running `Command { std: "docker" "start" "-a" "23a5703ac07c88924f6615ac550f8526ebdca1c9028f0b248801741ac93c8c87", kill_on_drop: false }`
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling tokio-reactor v0.1.12
[INFO] [stderr]    Compiling tokio-codec v0.1.2
[INFO] [stderr]    Compiling tokio-fs v0.1.7
[INFO] [stderr]    Compiling tokio-uds v0.2.7
[INFO] [stderr]    Compiling tokio-udp v0.1.6
[INFO] [stderr]    Compiling tokio-tcp v0.1.4
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling futures-util v0.3.21 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.67s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/futures_util-daf7fb6926cfdc8c)
[INFO] running `Command { std: "docker" "inspect" "23a5703ac07c88924f6615ac550f8526ebdca1c9028f0b248801741ac93c8c87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23a5703ac07c88924f6615ac550f8526ebdca1c9028f0b248801741ac93c8c87", kill_on_drop: false }`
[INFO] [stdout] 23a5703ac07c88924f6615ac550f8526ebdca1c9028f0b248801741ac93c8c87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 40052a37a7716a5831f4f7902d0b9a4c9827f4df0ed81e993c426901a2ec7127
[INFO] running `Command { std: "docker" "start" "-a" "40052a37a7716a5831f4f7902d0b9a4c9827f4df0ed81e993c426901a2ec7127", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/futures_util-daf7fb6926cfdc8c)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test lock::mutex::test_mutex_guard_debug_not_recurse ... 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 futures-util
[INFO] [stdout] 
[INFO] [stdout] running 149 tests
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name futures_util --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern futures_core=/opt/rustwide/target/debug/deps/libfutures_core-a4538845ff16bca4.rlib --extern futures_macro=/opt/rustwide/target/debug/deps/libfutures_macro-b0fdf3d5d879f13f.so --extern futures_task=/opt/rustwide/target/debug/deps/libfutures_task-75aea577ef225ea7.rlib --extern futures_util=/opt/rustwide/target/debug/deps/libfutures_util-d7087170bb1427ef.rlib --extern pin_project_lite=/opt/rustwide/target/debug/deps/libpin_project_lite-02e5e2d23f061f41.rlib --extern pin_utils=/opt/rustwide/target/debug/deps/libpin_utils-501725f4e360d46d.rlib --extern slab=/opt/rustwide/target/debug/deps/libslab-e8ae452aba6ff62c.rlib --extern tokio=/opt/rustwide/target/debug/deps/libtokio-06d5245d510d4c9a.rlib -C embed-bitcode=no --cfg 'feature="alloc"' --cfg 'feature="async-await"' --cfg 'feature="async-await-macro"' --cfg 'feature="default"' --cfg 'feature="futures-macro"' --cfg 'feature="slab"' --cfg 'feature="std"' --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "40052a37a7716a5831f4f7902d0b9a4c9827f4df0ed81e993c426901a2ec7127", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40052a37a7716a5831f4f7902d0b9a4c9827f4df0ed81e993c426901a2ec7127", kill_on_drop: false }`
[INFO] [stdout] 40052a37a7716a5831f4f7902d0b9a4c9827f4df0ed81e993c426901a2ec7127