[INFO] fetching crate futures-util 0.3.17...
[INFO] testing futures-util-0.3.17 against 1.55.0 for beta-1.56-1
[INFO] extracting crate futures-util 0.3.17 into /workspace/builds/worker-69/source
[INFO] validating manifest of crates.io crate futures-util 0.3.17 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate futures-util 0.3.17
[INFO] finished tweaking crates.io crate futures-util 0.3.17
[INFO] tweaked toml for crates.io crate futures-util 0.3.17 written to /workspace/builds/worker-69/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5676b4dcc649f1d7facd71d8c3704b84010b194f6967f7b6ac4a9704cf808179
[INFO] running `Command { std: "docker" "start" "-a" "5676b4dcc649f1d7facd71d8c3704b84010b194f6967f7b6ac4a9704cf808179", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5676b4dcc649f1d7facd71d8c3704b84010b194f6967f7b6ac4a9704cf808179", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5676b4dcc649f1d7facd71d8c3704b84010b194f6967f7b6ac4a9704cf808179", kill_on_drop: false }`
[INFO] [stdout] 5676b4dcc649f1d7facd71d8c3704b84010b194f6967f7b6ac4a9704cf808179
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8864aafdb4e2dc9fddec9b5cacb8836c2d57aea678fefc57a573115c88e01d3c
[INFO] running `Command { std: "docker" "start" "-a" "8864aafdb4e2dc9fddec9b5cacb8836c2d57aea678fefc57a573115c88e01d3c", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-util v0.3.17 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.30s
[INFO] running `Command { std: "docker" "inspect" "8864aafdb4e2dc9fddec9b5cacb8836c2d57aea678fefc57a573115c88e01d3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8864aafdb4e2dc9fddec9b5cacb8836c2d57aea678fefc57a573115c88e01d3c", kill_on_drop: false }`
[INFO] [stdout] 8864aafdb4e2dc9fddec9b5cacb8836c2d57aea678fefc57a573115c88e01d3c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b83c38ec34b0f0f24844add276f73b74b7e5661b52c8e35c9943df5521fe446
[INFO] running `Command { std: "docker" "start" "-a" "7b83c38ec34b0f0f24844add276f73b74b7e5661b52c8e35c9943df5521fe446", kill_on_drop: false }`
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling tokio-timer v0.2.13
[INFO] [stderr]    Compiling tokio-current-thread v0.1.7
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling crossbeam-deque v0.7.4
[INFO] [stderr]    Compiling tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling tokio-codec v0.1.2
[INFO] [stderr]    Compiling tokio-reactor v0.1.12
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling tokio-fs v0.1.7
[INFO] [stderr]    Compiling tokio-udp v0.1.6
[INFO] [stderr]    Compiling tokio-uds v0.2.7
[INFO] [stderr]    Compiling tokio-tcp v0.1.4
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling futures-util v0.3.17 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.49s
[INFO] running `Command { std: "docker" "inspect" "7b83c38ec34b0f0f24844add276f73b74b7e5661b52c8e35c9943df5521fe446", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b83c38ec34b0f0f24844add276f73b74b7e5661b52c8e35c9943df5521fe446", kill_on_drop: false }`
[INFO] [stdout] 7b83c38ec34b0f0f24844add276f73b74b7e5661b52c8e35c9943df5521fe446
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b7e8f7b58fad4a7c20266551177425e0991ffa05818fb5ba7bf952ce42558605
[INFO] running `Command { std: "docker" "start" "-a" "b7e8f7b58fad4a7c20266551177425e0991ffa05818fb5ba7bf952ce42558605", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/futures_util-6973acbb86c35504)
[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 146 tests
[INFO] [stdout] test src/future/pending.rs - future::pending::pending (line 27) ... ignored
[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-c8119af2994badf0.rlib --extern futures_macro=/opt/rustwide/target/debug/deps/libfutures_macro-5e4aa6376808486d.so --extern futures_task=/opt/rustwide/target/debug/deps/libfutures_task-304962a425599f26.rlib --extern futures_util=/opt/rustwide/target/debug/deps/libfutures_util-924c0bcffb4069a8.rlib --extern pin_project_lite=/opt/rustwide/target/debug/deps/libpin_project_lite-eca84dd3ea8e853e.rlib --extern pin_utils=/opt/rustwide/target/debug/deps/libpin_utils-179c4ec3b1bb6929.rlib --extern proc_macro_hack=/opt/rustwide/target/debug/deps/libproc_macro_hack-fb27140ee776283d.so --extern proc_macro_nested=/opt/rustwide/target/debug/deps/libproc_macro_nested-8ca1c391270dc1b9.rlib --extern slab=/opt/rustwide/target/debug/deps/libslab-8a986d953e272c90.rlib --extern tokio=/opt/rustwide/target/debug/deps/libtokio-6b0fd3ca85b24211.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="proc-macro-hack"' --cfg 'feature="proc-macro-nested"' --cfg 'feature="slab"' --cfg 'feature="std"' --cfg fn_like_proc_macro --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "b7e8f7b58fad4a7c20266551177425e0991ffa05818fb5ba7bf952ce42558605", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7e8f7b58fad4a7c20266551177425e0991ffa05818fb5ba7bf952ce42558605", kill_on_drop: false }`
[INFO] [stdout] b7e8f7b58fad4a7c20266551177425e0991ffa05818fb5ba7bf952ce42558605