[INFO] fetching crate vmm-sys-util 0.6.0... [INFO] testing vmm-sys-util-0.6.0 against beta-2020-06-03 for beta-1.45-1 [INFO] extracting crate vmm-sys-util 0.6.0 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate vmm-sys-util 0.6.0 on toolchain beta-2020-06-03 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate vmm-sys-util 0.6.0 [INFO] finished tweaking crates.io crate vmm-sys-util 0.6.0 [INFO] tweaked toml for crates.io crate vmm-sys-util 0.6.0 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 9f577996638f7eefe76eb9352d781a6d636b5f680c98179b2fa810038bb0c7d6 [INFO] running `"docker" "start" "-a" "9f577996638f7eefe76eb9352d781a6d636b5f680c98179b2fa810038bb0c7d6"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling vmm-sys-util v0.6.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.16s [INFO] running `"docker" "inspect" "9f577996638f7eefe76eb9352d781a6d636b5f680c98179b2fa810038bb0c7d6"` [INFO] running `"docker" "rm" "-f" "9f577996638f7eefe76eb9352d781a6d636b5f680c98179b2fa810038bb0c7d6"` [INFO] [stdout] 9f577996638f7eefe76eb9352d781a6d636b5f680c98179b2fa810038bb0c7d6 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 37a5a905367dd97910f0f7dfe8e38a3414e0e0e771d4db66268642b5ff30de91 [INFO] running `"docker" "start" "-a" "37a5a905367dd97910f0f7dfe8e38a3414e0e0e771d4db66268642b5ff30de91"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling serde v1.0.111 [INFO] [stderr] Compiling serde_json v1.0.53 [INFO] [stderr] Compiling vmm-sys-util v0.6.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 16.76s [INFO] running `"docker" "inspect" "37a5a905367dd97910f0f7dfe8e38a3414e0e0e771d4db66268642b5ff30de91"` [INFO] running `"docker" "rm" "-f" "37a5a905367dd97910f0f7dfe8e38a3414e0e0e771d4db66268642b5ff30de91"` [INFO] [stdout] 37a5a905367dd97910f0f7dfe8e38a3414e0e0e771d4db66268642b5ff30de91 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 11604846bcacc494a480078503eccc07a3661608bfd2c20bd9260c7046bb6102 [INFO] running `"docker" "start" "-a" "11604846bcacc494a480078503eccc07a3661608bfd2c20bd9260c7046bb6102"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/vmm_sys_util-e02435868b460ea3 [INFO] [stdout] [INFO] [stdout] running 69 tests [INFO] [stdout] test fam::tests::test_wrapper_len ... ok [INFO] [stdout] test fam::tests::test_set_len ... ok [INFO] [stdout] test fam::tests::test_retain ... ok [INFO] [stdout] test errno::tests::test_display ... ok [INFO] [stdout] test fam::tests::test_reserve ... 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_epoll ... ok [INFO] [stdout] test linux::epoll::tests::test_event_ops ... ok [INFO] [stdout] test linux::eventfd::tests::test_new ... ok [INFO] [stdout] test linux::eventfd::tests::test_clone ... ok [INFO] [stdout] test fam::tests::test_entries_slice ... ok [INFO] [stdout] test fam::tests::test_mem_allocator_len ... ok [INFO] [stderr] [src/linux/poll.rs:805] busy poll wait loop with hungup FDs detected on thread linux::poll::tests::test_poll_context_hungup [INFO] [stderr] [INFO] [stdout] test fam::tests::test_raw_content ... ok [INFO] [stdout] test fam::tests::test_clone ... ok [INFO] [stdout] test fam::tests::test_new ... ok [INFO] [stdout] test fam::tests::test_push ... ok [INFO] [stdout] test errno::tests::test_errno ... ok [INFO] [stdout] test linux::epoll::tests::test_events_debug ... ok [INFO] [stdout] test fam::tests::test_from_entries ... ok [INFO] [stdout] test linux::eventfd::tests::test_write_overflow ... ok [INFO] [stdout] test linux::poll::tests::test_poll_context ... ok [INFO] [stdout] test linux::ioctl::tests::test_ioctl_macros ... 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::poll::tests::test_poll_context_overflow ... ok [INFO] [stdout] test linux::signal::tests::test_register_signal_handler ... ok [INFO] [stdout] test linux::signal::tests::test_block_unblock_signal ... ok [INFO] [stdout] test linux::seek_hole::tests::seek_data ... ok [INFO] [stdout] test linux::seek_hole::tests::seek_hole ... ok [INFO] [stdout] test linux::sock_ctrl_msg::tests::send_recv_with_fd ... ok [INFO] [stdout] test linux::poll::tests::test_poll_context_timeout ... ok [INFO] [stdout] test linux::timerfd::tests::test_from_raw_fd ... ok [INFO] [stdout] test linux::timerfd::tests::test_into_raw_fd ... ok [INFO] [stdout] test rand::tests::test_rand_alphanumerics ... ok [INFO] [stdout] test linux::sock_ctrl_msg::tests::buffer_len ... ok [INFO] [stdout] test linux::sock_ctrl_msg::tests::send_recv_no_fd ... ok [INFO] [stdout] test linux::sock_ctrl_msg::tests::send_recv_only_fd ... ok [INFO] [stdout] test rand::tests::test_xor_psuedo_rng_u32 ... ok [INFO] [stdout] test rand::tests::test_xor_psuedo_rng_u8_alphas ... ok [INFO] [stdout] test rand::tests::test_timestamp_cycles ... ok [INFO] [stdout] test linux::write_zeroes::tests::simple_test ... ok [INFO] [stdout] test rand::tests::test_rand_alphanumerics_impl ... ok [INFO] [stdout] test syscall::tests::test_syscall_ops ... ok [INFO] [stdout] test tempfile::tests::test_drop_file ... ok [INFO] [stdout] test tempfile::tests::test_create_file_new ... ok [INFO] [stdout] test tempfile::tests::test_create_file_new_in ... ok [INFO] [stdout] test tempfile::tests::test_create_file_with_prefix ... ok [INFO] [stdout] test fam::tests::test_partial_eq ... ok [INFO] [stdout] test tempfile::tests::test_remove_file ... 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_in ... ok [INFO] [stdout] test unix::tempdir::tests::test_drop ... ok [INFO] [stdout] test unix::terminal::tests::test_a_non_tty ... ok [INFO] [stdout] test unix::tempdir::tests::test_remove_dir ... ok [INFO] [stdout] test tempfile::tests::test_into_file ... ok [INFO] [stdout] test unix::tempdir::tests::test_create_dir_with_prefix ... ok [INFO] [stdout] test unix::file_traits::tests::test_fsync ... ok [INFO] [stdout] test unix::terminal::tests::test_a_tty ... ok [INFO] [stdout] test linux::write_zeroes::tests::large_write_zeroes ... ok [INFO] [stdout] test linux::aio::test::test_cancel_request ... 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::signal::tests::test_clear_pending ... ok [INFO] [stdout] test linux::poll::tests::test_poll_context_hungup ... 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. 69 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Doc-tests vmm-sys-util [INFO] [stdout] [INFO] [stdout] running 54 tests [INFO] [stdout] test src/fam.rs - fam::FamStruct (line 47) ... ok [INFO] [stdout] test src/errno.rs - errno::Error::new (line 39) ... ok [INFO] [stdout] test src/linux/epoll.rs - linux::epoll::EpollEvent::events (line 128) ... ok [INFO] [stdout] test src/linux/epoll.rs - linux::epoll::EpollEvent::new (line 110) ... ok [INFO] [stdout] test src/linux/epoll.rs - linux::epoll::EpollEvent::event_set (line 148) ... ok [INFO] [stdout] test src/linux/epoll.rs - linux::epoll::EpollEvent::fd (line 184) ... ok [INFO] [stdout] test src/linux/aio.rs - linux::aio::IoContext::submit (line 110) ... ok [INFO] [stdout] test src/linux/epoll.rs - linux::epoll::EpollEvent::data (line 166) ... ok [INFO] [stdout] test src/linux/epoll.rs - linux::epoll::Epoll::wait (line 275) ... ok [INFO] [stdout] test src/errno.rs - errno::Error::errno (line 93) ... ok [INFO] [stdout] test src/linux/eventfd.rs - linux::eventfd::EventFd::new (line 34) ... ok [INFO] [stdout] test src/linux/aio.rs - linux::aio::IoContext::get_events (line 186) ... ok [INFO] [stdout] test src/errno.rs - errno::Error::last (line 61) ... ok [INFO] [stdout] test src/linux/eventfd.rs - linux::eventfd::EventFd::read (line 100) ... ok [INFO] [stdout] test src/linux/epoll.rs - linux::epoll::Epoll::ctl (line 222) ... ok [INFO] [stdout] test src/linux/ioctl.rs - ioctl_iow_nr (line 113) ... ok [INFO] [stdout] test src/linux/ioctl.rs - ioctl_io_nr (line 65) ... ok [INFO] [stdout] test src/linux/eventfd.rs - linux::eventfd::EventFd::try_clone (line 133) ... ok [INFO] [stdout] test src/linux/ioctl.rs - ioctl_expr (line 17) ... ok [INFO] [stdout] test src/linux/ioctl.rs - linux::ioctl::ioctl (line 224) ... FAILED [INFO] [stdout] test src/linux/ioctl.rs - ioctl_iowr_nr (line 143) ... ok [INFO] [stdout] test src/linux/eventfd.rs - linux::eventfd::EventFd::write (line 68) ... ok [INFO] [stdout] test src/linux/poll.rs - linux::poll::EpollContext (line 320) ... ok [INFO] [stdout] test src/linux/ioctl.rs - ioctl_ioc_nr (line 37) ... ok [INFO] [stdout] test src/linux/ioctl.rs - ioctl_ior_nr (line 83) ... ok [INFO] [stdout] test src/linux/poll.rs - linux::poll::EpollContext::add (line 383) ... ok [INFO] [stdout] test src/linux/fallocate.rs - linux::fallocate::fallocate (line 39) ... ok [INFO] [stdout] test src/linux/ioctl.rs - linux::ioctl::ioctl_with_val (line 266) ... FAILED [INFO] [stdout] test src/linux/poll.rs - linux::poll::EpollContext::modify (line 460) ... ok [INFO] [stdout] test src/linux/poll.rs - linux::poll::EpollContext::new (line 350) ... ok [INFO] [stdout] test src/linux/poll.rs - linux::poll::EpollContext::delete (line 504) ... ok [INFO] [stdout] test src/linux/poll.rs - linux::poll::EpollContext::add_fd_with_events (line 412) ... ok [INFO] [stdout] test src/linux/signal.rs - linux::signal::unblock_signal (line 311) ... ok [INFO] [stdout] test src/linux/signal.rs - linux::signal::register_signal_handler (line 146) ... ok [INFO] [stdout] test src/linux/signal.rs - linux::signal::block_signal (line 276) ... ok [INFO] [stdout] test src/linux/poll.rs - linux::poll::EpollContext::wait (line 545) ... ok [INFO] [stdout] test src/linux/poll.rs - linux::poll::EpollContext::wait_timeout (line 578) ... ok [INFO] [stdout] test src/linux/signal.rs - linux::signal::get_blocked_signals (line 236) ... ok [INFO] [stdout] test src/linux/signal.rs - linux::signal::create_sigset (line 197) ... ok [INFO] [stdout] test src/linux/timerfd.rs - linux::timerfd::TimerFd::reset (line 55) ... ok [INFO] [stdout] test src/linux/signal.rs - linux::signal::validate_signal_num (line 117) ... ok [INFO] [stdout] test src/linux/poll.rs - linux::poll::PollContext (line 656) ... ok [INFO] [stdout] test src/unix/tempdir.rs - unix::tempdir::TempDir::new_in (line 62) ... ok [INFO] [stdout] test src/linux/signal.rs - linux::signal::clear_signal (line 338) ... ok [INFO] [stdout] test src/linux/timerfd.rs - linux::timerfd::TimerFd::clear (line 171) ... ok [INFO] [stdout] test src/unix/tempdir.rs - unix::tempdir::TempDir::new (line 82) ... ok [INFO] [stdout] test src/linux/timerfd.rs - linux::timerfd::TimerFd::is_armed (line 140) ... ok [INFO] [stdout] test src/linux/timerfd.rs - linux::timerfd::TimerFd::wait (line 98) ... ok [INFO] [stdout] test src/tempfile.rs - tempfile (line 16) ... ok [INFO] [stdout] test src/unix/tempdir.rs - unix::tempdir::TempDir::as_path (line 123) ... ok [INFO] [stdout] test src/unix/tempdir.rs - unix::tempdir::TempDir::new_with_prefix (line 32) ... ok [INFO] [stdout] test src/linux/sock_ctrl_msg.rs - linux::sock_ctrl_msg::ScmSocket (line 252) ... ok [INFO] [stdout] test src/unix/terminal.rs - unix::terminal::Terminal::read_raw (line 120) ... ok [INFO] [stdout] test src/unix/tempdir.rs - unix::tempdir::TempDir::remove (line 108) ... ok [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/linux/ioctl.rs - linux::ioctl::ioctl (line 224) stdout ---- [INFO] [stdout] Test executable failed (exit code 101). [INFO] [stdout] [INFO] [stdout] stderr: [INFO] [stdout] thread 'main' panicked at 'assertion failed: `(left == right)` [INFO] [stdout] left: `4294967295`, [INFO] [stdout] right: `12`', src/linux/ioctl.rs:21:1 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x561d1d2d1705 - backtrace::backtrace::libunwind::trace::h07c956be65d9b461 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stdout] 1: 0x561d1d2d1705 - backtrace::backtrace::trace_unsynchronized::h2fdb9e4177ad4d20 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x561d1d2d1705 - std::sys_common::backtrace::_print_fmt::ha62d8426311107ac [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stdout] 3: 0x561d1d2d1705 - ::fmt::h3ec6bdab62f1e8d9 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] 4: 0x561d1d2ee47c - core::fmt::write::h935cb0ed4078a853 [INFO] [stdout] at src/libcore/fmt/mod.rs:1076 [INFO] [stdout] 5: 0x561d1d2cff43 - std::io::Write::write_fmt::hc912aacf8d691eb3 [INFO] [stdout] at src/libstd/io/mod.rs:1537 [INFO] [stdout] 6: 0x561d1d2d3b90 - std::sys_common::backtrace::_print::h460db802d801ccf8 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stdout] 7: 0x561d1d2d3b90 - std::sys_common::backtrace::print::h399d664f56640530 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stdout] 8: 0x561d1d2d3b90 - std::panicking::default_hook::{{closure}}::hc6dfd87957c765b8 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 9: 0x561d1d2d38dc - std::panicking::default_hook::hfdceba6d6d1a18ae [INFO] [stdout] at src/libstd/panicking.rs:218 [INFO] [stdout] 10: 0x561d1d2d4177 - std::panicking::rust_panic_with_hook::hd01e282bff1b1e63 [INFO] [stdout] at src/libstd/panicking.rs:486 [INFO] [stdout] 11: 0x561d1d2d3d7b - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:388 [INFO] [stdout] 12: 0x561d1d2d3ceb - std::panicking::begin_panic_fmt::h3ec91017ffedff5c [INFO] [stdout] at src/libstd/panicking.rs:342 [INFO] [stdout] 13: 0x561d1d2cc60a - rust_out::main::hce5147e828914a17 [INFO] [stdout] 14: 0x561d1d2cc2c3 - std::rt::lang_start::{{closure}}::h5f92bcc9991fb652 [INFO] [stdout] 15: 0x561d1d2d4548 - std::rt::lang_start_internal::{{closure}}::haabc9d435e1b0c2f [INFO] [stdout] at src/libstd/rt.rs:52 [INFO] [stdout] 16: 0x561d1d2d4548 - std::panicking::try::do_call::h54d9370b0ac83700 [INFO] [stdout] at src/libstd/panicking.rs:297 [INFO] [stdout] 17: 0x561d1d2d4548 - std::panicking::try::h85e1c41421d5b6f9 [INFO] [stdout] at src/libstd/panicking.rs:274 [INFO] [stdout] 18: 0x561d1d2d4548 - std::panic::catch_unwind::hfd957e6c9fdcf274 [INFO] [stdout] at src/libstd/panic.rs:394 [INFO] [stdout] 19: 0x561d1d2d4548 - std::rt::lang_start_internal::hed9744eef32ef5a1 [INFO] [stdout] at src/libstd/rt.rs:51 [INFO] [stdout] 20: 0x561d1d2cc2a8 - std::rt::lang_start::h66e0318a0fda6501 [INFO] [stdout] 21: 0x561d1d2cc66b - main [INFO] [stdout] 22: 0x7f46efc410b3 - __libc_start_main [INFO] [stdout] 23: 0x561d1d2cc16e - _start [INFO] [stdout] 24: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] ---- src/linux/ioctl.rs - linux::ioctl::ioctl_with_val (line 266) stdout ---- [INFO] [stdout] Test executable failed (exit code 101). [INFO] [stdout] [INFO] [stdout] stderr: [INFO] [stdout] thread 'main' panicked at 'assertion failed: ret > 0', src/linux/ioctl.rs:25:1 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5556f045b3a5 - backtrace::backtrace::libunwind::trace::h07c956be65d9b461 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stdout] 1: 0x5556f045b3a5 - backtrace::backtrace::trace_unsynchronized::h2fdb9e4177ad4d20 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x5556f045b3a5 - std::sys_common::backtrace::_print_fmt::ha62d8426311107ac [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stdout] 3: 0x5556f045b3a5 - ::fmt::h3ec6bdab62f1e8d9 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] 4: 0x5556f047819c - core::fmt::write::h935cb0ed4078a853 [INFO] [stdout] at src/libcore/fmt/mod.rs:1076 [INFO] [stdout] 5: 0x5556f0459be3 - std::io::Write::write_fmt::hc912aacf8d691eb3 [INFO] [stdout] at src/libstd/io/mod.rs:1537 [INFO] [stdout] 6: 0x5556f045d8b0 - std::sys_common::backtrace::_print::h460db802d801ccf8 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stdout] 7: 0x5556f045d8b0 - std::sys_common::backtrace::print::h399d664f56640530 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stdout] 8: 0x5556f045d8b0 - std::panicking::default_hook::{{closure}}::hc6dfd87957c765b8 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 9: 0x5556f045d5fc - std::panicking::default_hook::hfdceba6d6d1a18ae [INFO] [stdout] at src/libstd/panicking.rs:218 [INFO] [stdout] 10: 0x5556f045de97 - std::panicking::rust_panic_with_hook::hd01e282bff1b1e63 [INFO] [stdout] at src/libstd/panicking.rs:486 [INFO] [stdout] 11: 0x5556f045538d - std::panicking::begin_panic::h259a5bc006348be2 [INFO] [stdout] 12: 0x5556f0456121 - rust_out::main::hce5147e828914a17 [INFO] [stdout] 13: 0x5556f04552e3 - std::rt::lang_start::{{closure}}::h5f92bcc9991fb652 [INFO] [stdout] 14: 0x5556f045e268 - std::rt::lang_start_internal::{{closure}}::haabc9d435e1b0c2f [INFO] [stdout] at src/libstd/rt.rs:52 [INFO] [stdout] 15: 0x5556f045e268 - std::panicking::try::do_call::h54d9370b0ac83700 [INFO] [stdout] at src/libstd/panicking.rs:297 [INFO] [stdout] 16: 0x5556f045e268 - std::panicking::try::h85e1c41421d5b6f9 [INFO] [stdout] at src/libstd/panicking.rs:274 [INFO] [stdout] 17: 0x5556f045e268 - std::panic::catch_unwind::hfd957e6c9fdcf274 [INFO] [stdout] at src/libstd/panic.rs:394 [INFO] [stdout] 18: 0x5556f045e268 - std::rt::lang_start_internal::hed9744eef32ef5a1 [INFO] [stdout] at src/libstd/rt.rs:51 [INFO] [stdout] 19: 0x5556f04552c8 - std::rt::lang_start::h66e0318a0fda6501 [INFO] [stdout] 20: 0x5556f045617b - main [INFO] [stdout] 21: 0x7f5b6c6130b3 - __libc_start_main [INFO] [stdout] 22: 0x5556f045516e - _start [INFO] [stdout] 23: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/linux/ioctl.rs - linux::ioctl::ioctl (line 224) [INFO] [stdout] src/linux/ioctl.rs - linux::ioctl::ioctl_with_val (line 266) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 52 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `"docker" "inspect" "11604846bcacc494a480078503eccc07a3661608bfd2c20bd9260c7046bb6102"` [INFO] running `"docker" "rm" "-f" "11604846bcacc494a480078503eccc07a3661608bfd2c20bd9260c7046bb6102"` [INFO] [stdout] 11604846bcacc494a480078503eccc07a3661608bfd2c20bd9260c7046bb6102