[INFO] fetching crate vmm-sys-util 0.8.0...
[INFO] testing vmm-sys-util-0.8.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate vmm-sys-util 0.8.0 into /workspace/builds/worker-66/source
[INFO] validating manifest of crates.io crate vmm-sys-util 0.8.0 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] removed /workspace/builds/worker-66/source/.cargo/config
[INFO] started tweaking crates.io crate vmm-sys-util 0.8.0
[INFO] finished tweaking crates.io crate vmm-sys-util 0.8.0
[INFO] tweaked toml for crates.io crate vmm-sys-util 0.8.0 written to /workspace/builds/worker-66/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-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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] d5846331dd91e1505c80052213a9d3c895ca6b621b94790d1ecc717293df029f
[INFO] running `Command { std: "docker" "start" "-a" "d5846331dd91e1505c80052213a9d3c895ca6b621b94790d1ecc717293df029f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d5846331dd91e1505c80052213a9d3c895ca6b621b94790d1ecc717293df029f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5846331dd91e1505c80052213a9d3c895ca6b621b94790d1ecc717293df029f", kill_on_drop: false }`
[INFO] [stdout] d5846331dd91e1505c80052213a9d3c895ca6b621b94790d1ecc717293df029f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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] 01c76f18cd1f046420beae2fe276c6256336836fe6664732b8a5956c0229b27c
[INFO] running `Command { std: "docker" "start" "-a" "01c76f18cd1f046420beae2fe276c6256336836fe6664732b8a5956c0229b27c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling vmm-sys-util v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.89s
[INFO] running `Command { std: "docker" "inspect" "01c76f18cd1f046420beae2fe276c6256336836fe6664732b8a5956c0229b27c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01c76f18cd1f046420beae2fe276c6256336836fe6664732b8a5956c0229b27c", kill_on_drop: false }`
[INFO] [stdout] 01c76f18cd1f046420beae2fe276c6256336836fe6664732b8a5956c0229b27c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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] f012dcacc38790c58351243c05584e761220262d5ac45cf7b1c79a9e8232d1a4
[INFO] running `Command { std: "docker" "start" "-a" "f012dcacc38790c58351243c05584e761220262d5ac45cf7b1c79a9e8232d1a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling vmm-sys-util v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.66s
[INFO] running `Command { std: "docker" "inspect" "f012dcacc38790c58351243c05584e761220262d5ac45cf7b1c79a9e8232d1a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f012dcacc38790c58351243c05584e761220262d5ac45cf7b1c79a9e8232d1a4", kill_on_drop: false }`
[INFO] [stdout] f012dcacc38790c58351243c05584e761220262d5ac45cf7b1c79a9e8232d1a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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] 1f6892b36c7b7e8d6f0f12eb7ecd5b4d87cfb730f452661050576b3fd9ddfde6
[INFO] running `Command { std: "docker" "start" "-a" "1f6892b36c7b7e8d6f0f12eb7ecd5b4d87cfb730f452661050576b3fd9ddfde6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.21s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/vmm_sys_util-de4b1e91dce59a9f)
[INFO] [stdout] 
[INFO] [stdout] running 74 tests
[INFO] [stderr] [src/linux/poll.rs:834] busy poll wait loop with hungup FDs detected on thread linux::poll::tests::test_poll_context_hungup
[INFO] [stderr] 
[INFO] [stdout] test errno::tests::test_display ... ok
[INFO] [stdout] test fam::tests::test_clone ... ok
[INFO] [stdout] test errno::tests::test_errno ... ok
[INFO] [stdout] test fam::tests::test_entries_slice ... ok
[INFO] [stdout] test fam::tests::test_mem_allocator_len ... ok
[INFO] [stdout] test fam::tests::test_from_entries ... ok
[INFO] [stdout] test fam::tests::test_clone_multiple_fields ... ok
[INFO] [stdout] test fam::tests::test_new ... ok
[INFO] [stdout] test fam::tests::test_partial_eq ... ok
[INFO] [stdout] test fam::tests::test_push ... ok
[INFO] [stdout] test fam::tests::test_raw_content ... ok
[INFO] [stdout] test fam::tests::test_reserve ... ok
[INFO] [stdout] test fam::tests::test_set_len ... ok
[INFO] [stdout] test fam::tests::test_wrapper_len ... ok
[INFO] [stdout] test fam::tests::test_retain ... ok
[INFO] [stdout] test linux::aio::test::bindgen_test_layout_io_event ... ok
[INFO] [stdout] test linux::aio::test::bindgen_test_layout_iocb ... ok
[INFO] [stdout] test linux::aio::test::test_new_context ... ok
[INFO] [stdout] test linux::epoll::tests::test_event_ops ... ok
[INFO] [stdout] test linux::epoll::tests::test_epoll ... ok
[INFO] [stdout] test linux::epoll::tests::test_events_debug ... ok
[INFO] [stdout] test linux::eventfd::tests::test_clone ... ok
[INFO] [stdout] test linux::eventfd::tests::test_new ... ok
[INFO] [stdout] test linux::eventfd::tests::test_read_nothing ... ok
[INFO] [stdout] test linux::eventfd::tests::test_read_write ... ok
[INFO] [stdout] test linux::eventfd::tests::test_write_overflow ... ok
[INFO] [stdout] test linux::ioctl::tests::test_ioctl_macros ... ok
[INFO] [stdout] test linux::poll::tests::test_poll_context ... ok
[INFO] [stdout] test linux::poll::tests::test_poll_context_overflow ... ok
[INFO] [stdout] test linux::poll::tests::test_poll_event ... ok
[INFO] [stdout] test linux::signal::tests::test_block_unblock_signal ... ok
[INFO] [stdout] test linux::signal::tests::test_register_signal_handler ... ok
[INFO] [stdout] test linux::sock_ctrl_msg::tests::buffer_len ... ok
[INFO] [stdout] test linux::poll::tests::test_poll_context_timeout ... ok
[INFO] [stdout] test linux::seek_hole::tests::seek_data ... ok
[INFO] [stdout] test linux::sock_ctrl_msg::tests::send_recv_no_fd ... ok
[INFO] [stdout] test linux::seek_hole::tests::seek_hole ... ok
[INFO] [stdout] test linux::sock_ctrl_msg::tests::send_recv_only_fd ... ok
[INFO] [stdout] test linux::timerfd::tests::test_from_raw_fd ... ok
[INFO] [stdout] test linux::sock_ctrl_msg::tests::send_recv_with_fd ... ok
[INFO] [stdout] test linux::timerfd::tests::test_into_raw_fd ... ok
[INFO] [stdout] test metric::tests::test_main ... ok
[INFO] [stdout] test rand::tests::test_timestamp_cycles ... ok
[INFO] [stdout] test rand::tests::test_rand_alphanumerics ... ok
[INFO] [stdout] test rand::tests::test_xor_psuedo_rng_u32 ... ok
[INFO] [stdout] test rand::tests::test_rand_alphanumerics_impl ... ok
[INFO] [stdout] test linux::write_zeroes::tests::test_small_write_zeroes ... ok
[INFO] [stdout] test rand::tests::test_xor_psuedo_rng_u8_alphas ... ok
[INFO] [stdout] test syscall::tests::test_syscall_ops ... ok
[INFO] [stdout] test tempfile::tests::test_create_file_new ... ok
[INFO] [stdout] test tempfile::tests::test_drop_file ... ok
[INFO] [stdout] test tempfile::tests::test_create_file_new_in ... ok
[INFO] [stdout] test tempfile::tests::test_remove_file ... ok
[INFO] [stdout] test tempfile::tests::test_into_file ... ok
[INFO] [stdout] test unix::file_traits::tests::test_set_len_fails_when_file_not_opened_for_writing ... ok
[INFO] [stdout] test unix::file_traits::tests::test_set_len ... ok
[INFO] [stdout] test unix::tempdir::tests::test_create_dir ... ok
[INFO] [stdout] test unix::tempdir::tests::test_create_dir_with_prefix ... ok
[INFO] [stdout] test unix::terminal::tests::test_a_non_tty ... ok
[INFO] [stdout] test linux::write_zeroes::tests::test_large_write_zeroes ... ok
[INFO] [stdout] test unix::tempdir::tests::test_drop ... ok
[INFO] [stdout] test unix::terminal::tests::test_a_tty ... ok
[INFO] [stdout] test unix::tempdir::tests::test_create_dir_in ... ok
[INFO] [stdout] test unix::tempdir::tests::test_remove_dir ... ok
[INFO] [stdout] test linux::write_zeroes::tests::test_punch_hole ... ok
[INFO] [stdout] test tempfile::tests::test_create_file_with_prefix ... ok
[INFO] [stdout] test linux::poll::tests::test_poll_context_hungup - should panic ... ok
[INFO] [stdout] test unix::file_traits::tests::test_fsync ... ok
[INFO] [stdout] test linux::aio::test::test_cancel_request ... ok
[INFO] [stdout] test linux::signal::tests::test_clear_pending ... ok
[INFO] [stdout] test linux::aio::test::test_read_zero ... ok
[INFO] [stdout] test linux::signal::tests::test_killing_thread ... ok
[INFO] [stdout] test linux::timerfd::tests::test_one_shot ... ok
[INFO] [stdout] test linux::timerfd::tests::test_repeating ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 74 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.65s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests vmm-sys-util
[INFO] [stdout] 
[INFO] [stdout] running 54 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 vmm_sys_util --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-f947290fec4feb2c.rlib --extern libc=/opt/rustwide/target/debug/deps/liblibc-7085dace614ae946.rlib --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-858ae10b86823a9f.rlib --extern vmm_sys_util=/opt/rustwide/target/debug/deps/libvmm_sys_util-277eb1f467bcb957.rlib -C embed-bitcode=no --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "1f6892b36c7b7e8d6f0f12eb7ecd5b4d87cfb730f452661050576b3fd9ddfde6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f6892b36c7b7e8d6f0f12eb7ecd5b4d87cfb730f452661050576b3fd9ddfde6", kill_on_drop: false }`
[INFO] [stdout] 1f6892b36c7b7e8d6f0f12eb7ecd5b4d87cfb730f452661050576b3fd9ddfde6