[INFO] cloning repository https://github.com/nathan-at-least/iomux [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nathan-at-least/iomux" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnathan-at-least%2Fiomux", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnathan-at-least%2Fiomux'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1fde2a270fdc1fda78c0573bf7c55ea6825500f6 [INFO] testing nathan-at-least/iomux against beta-2020-07-24 for beta-1.46-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnathan-at-least%2Fiomux" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/nathan-at-least/iomux on toolchain beta-2020-07-24 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/nathan-at-least/iomux [INFO] finished tweaking git repo https://github.com/nathan-at-least/iomux [INFO] tweaked toml for git repo https://github.com/nathan-at-least/iomux written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/nathan-at-least/iomux already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded pin-project-internal v0.4.2 [INFO] [stderr] Downloaded tracing-attributes v0.1.4 [INFO] [stderr] Downloaded pin-project v0.4.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c746c0a3800c88fe3282b304e7ca3e3c2cdda5d1f76c51c36864a9c41bb2350b [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "c746c0a3800c88fe3282b304e7ca3e3c2cdda5d1f76c51c36864a9c41bb2350b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c746c0a3800c88fe3282b304e7ca3e3c2cdda5d1f76c51c36864a9c41bb2350b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c746c0a3800c88fe3282b304e7ca3e3c2cdda5d1f76c51c36864a9c41bb2350b", kill_on_drop: false }` [INFO] [stdout] c746c0a3800c88fe3282b304e7ca3e3c2cdda5d1f76c51c36864a9c41bb2350b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] ffa0d17c4e7726eefb7f47819cbfd9a3ae51ca7fd82fa8ea98b1dddf33a6b516 [INFO] running `Command { std: "docker" "start" "-a" "ffa0d17c4e7726eefb7f47819cbfd9a3ae51ca7fd82fa8ea98b1dddf33a6b516", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Compiling proc-macro2 v1.0.5 [INFO] [stderr] Compiling syn v1.0.5 [INFO] [stderr] Compiling spin v0.5.2 [INFO] [stderr] Compiling futures-core-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling arrayvec v0.4.11 [INFO] [stderr] Compiling futures-sink-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling pin-project-internal v0.4.2 [INFO] [stderr] Compiling pin-utils v0.1.0-alpha.4 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling arc-swap v0.4.3 [INFO] [stderr] Compiling lock_api v0.3.1 [INFO] [stderr] Compiling memoffset v0.5.1 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling crossbeam-utils v0.6.6 [INFO] [stderr] Compiling tracing-core v0.1.6 [INFO] [stderr] Compiling futures-channel-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling crossbeam-queue v0.1.2 [INFO] [stderr] Compiling crossbeam-channel v0.3.9 [INFO] [stderr] Compiling futures-util-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling crossbeam-epoch v0.7.2 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling iovec v0.1.2 [INFO] [stderr] Compiling num_cpus v1.10.1 [INFO] [stderr] Compiling net2 v0.2.33 [INFO] [stderr] Compiling signal-hook-registry v1.1.1 [INFO] [stderr] Compiling bytes v0.4.12 [INFO] [stderr] Compiling crossbeam-deque v0.7.1 [INFO] [stderr] Compiling mio v0.6.19 [INFO] [stderr] Compiling mio-uds v0.6.7 [INFO] [stderr] Compiling tokio-sync v0.2.0-alpha.6 [INFO] [stderr] Compiling derive_more v0.13.0 [INFO] [stderr] Compiling tracing-attributes v0.1.4 [INFO] [stderr] Compiling tokio-macros v0.2.0-alpha.6 [INFO] [stderr] Compiling tracing v0.1.9 [INFO] [stderr] Compiling tokio-executor v0.2.0-alpha.6 [INFO] [stderr] Compiling pin-project v0.4.2 [INFO] [stderr] Compiling tokio-io v0.2.0-alpha.6 [INFO] [stderr] Compiling tokio-codec v0.2.0-alpha.6 [INFO] [stderr] Compiling tokio-timer v0.3.0-alpha.6 [INFO] [stderr] Compiling tokio-fs v0.2.0-alpha.6 [INFO] [stderr] Compiling tokio-net v0.2.0-alpha.6 [INFO] [stderr] Compiling tokio v0.2.0-alpha.6 [INFO] [stderr] Compiling iomux v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 14s [INFO] running `Command { std: "docker" "inspect" "ffa0d17c4e7726eefb7f47819cbfd9a3ae51ca7fd82fa8ea98b1dddf33a6b516", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ffa0d17c4e7726eefb7f47819cbfd9a3ae51ca7fd82fa8ea98b1dddf33a6b516", kill_on_drop: false }` [INFO] [stdout] ffa0d17c4e7726eefb7f47819cbfd9a3ae51ca7fd82fa8ea98b1dddf33a6b516 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] d5c28178daa8ddbe78aa15da29e777c4755bdbf3e94e56df78d9eb4bd470780b [INFO] running `Command { std: "docker" "start" "-a" "d5c28178daa8ddbe78aa15da29e777c4755bdbf3e94e56df78d9eb4bd470780b", kill_on_drop: false }` [INFO] [stderr] Compiling iomux v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 3.73s [INFO] running `Command { std: "docker" "inspect" "d5c28178daa8ddbe78aa15da29e777c4755bdbf3e94e56df78d9eb4bd470780b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d5c28178daa8ddbe78aa15da29e777c4755bdbf3e94e56df78d9eb4bd470780b", kill_on_drop: false }` [INFO] [stdout] d5c28178daa8ddbe78aa15da29e777c4755bdbf3e94e56df78d9eb4bd470780b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] d5f2dbacea84bd87b2f23ae2a578f7faa762e30f75aee469b03be8781d064fad [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "d5f2dbacea84bd87b2f23ae2a578f7faa762e30f75aee469b03be8781d064fad", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.21s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/iomux-c83e6ee60db94bdf [INFO] [stdout] [INFO] [stdout] running 17 tests [INFO] [stdout] test argparse::tests::one_command ... ok [INFO] [stdout] test argparse::tests::escaped_separator ... ok [INFO] [stdout] test argparse::tests::escaped_escape ... ok [INFO] [stdout] test argparse::tests::tricky_nonescape ... ok [INFO] [stdout] test lpq::tests::empty::peek_drop_line_idempotent ... ok [INFO] [stdout] test lpq::tests::empty::peek_drop_line ... ok [INFO] [stdout] test lpq::tests::empty::peek_drop_line_or_end_idempotent ... ok [INFO] [stdout] test lpq::tests::empty::peek_drop_line_or_end_then_peek_drop_line ... ok [INFO] [stdout] test argparse::tests::no_args ... ok [INFO] [stdout] test argparse::tests::empty ... ok [INFO] [stdout] test argparse::tests::two_commands ... ok [INFO] [stdout] test lpq::tests::empty::peek_drop_line_then_peek_drop_line_or_end ... ok [INFO] [stdout] test lpq::tests::foo_barf::peek_drop_line_or_end ... ok [INFO] [stdout] test lpq::tests::foo_barf_quxum::peek_drop_line_or_end ... ok [INFO] [stdout] test lpq::tests::foo_barf_quxum::peek_drop_line_until_none_then_or_end ... ok [INFO] [stdout] test lpq::tests::foo_barf::peek_drop_line ... ok [INFO] [stdout] test lpq::tests::foo_barf_quxum::peek_drop_line ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/iomux_testwidget-679d3ad8b1c0861a [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/widget_tests-000113fd1f01de22 [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test test_single_empty_child ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- test_single_empty_child stdout ---- [INFO] [stdout] Error: Os { code: 2, kind: NotFound, message: "No such file or directory" } [INFO] [stdout] thread 'test_single_empty_child' panicked at 'assertion failed: `(left == right)` [INFO] [stdout] left: `1`, [INFO] [stdout] right: `0`: the test returned a termination value with a non-zero status code (1) which indicates a failure', /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/macros.rs:16:9 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55ad07f95555 - backtrace::backtrace::libunwind::trace::h5e2646fa3eddf2ea [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stdout] 1: 0x55ad07f95555 - backtrace::backtrace::trace_unsynchronized::hb95dd7f77ce47877 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55ad07f95555 - std::sys_common::backtrace::_print_fmt::h5e71b67af43fd70d [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stdout] 3: 0x55ad07f95555 - ::fmt::hdb4a83d2b61107e5 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] 4: 0x55ad07fbd2ac - core::fmt::write::ha20e7262fa3e8a7a [INFO] [stdout] at src/libcore/fmt/mod.rs:1076 [INFO] [stdout] 5: 0x55ad07f4a075 - std::io::Write::write_fmt::hd8ff364c7845d2d0 [INFO] [stdout] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/io/mod.rs:1537 [INFO] [stdout] 6: 0x55ad07f8fc21 - std::io::impls::>::write_fmt::h1c057ef6e8762996 [INFO] [stdout] at src/libstd/io/impls.rs:176 [INFO] [stdout] 7: 0x55ad07f97cb0 - std::sys_common::backtrace::_print::h9c07314cc66ba539 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stdout] 8: 0x55ad07f97cb0 - std::sys_common::backtrace::print::hd1fd65f49a2d8544 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stdout] 9: 0x55ad07f97cb0 - std::panicking::default_hook::{{closure}}::h222da46485ab36fc [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 10: 0x55ad07f979aa - std::panicking::default_hook::hc5868949d129ed00 [INFO] [stdout] at src/libstd/panicking.rs:214 [INFO] [stdout] 11: 0x55ad07f982f3 - std::panicking::rust_panic_with_hook::h26a6ab8b0993c0c8 [INFO] [stdout] at src/libstd/panicking.rs:526 [INFO] [stdout] 12: 0x55ad07f97eeb - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:437 [INFO] [stdout] 13: 0x55ad07f97e5b - std::panicking::begin_panic_fmt::h2ff295231415d4a6 [INFO] [stdout] at src/libstd/panicking.rs:391 [INFO] [stdout] 14: 0x55ad07f3a3c5 - test::assert_test_result::h5bd832a33961722f [INFO] [stdout] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/macros.rs:16 [INFO] [stdout] 15: 0x55ad07f46e69 - widget_tests::test_single_empty_child::{{closure}}::hde54e733ca5b58eb [INFO] [stdout] at tests/widget_tests.rs:2 [INFO] [stdout] 16: 0x55ad07f3af9e - core::ops::function::FnOnce::call_once::h7f7d94f9b0943784 [INFO] [stdout] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libcore/ops/function.rs:233 [INFO] [stdout] 17: 0x55ad07f715ec - as core::ops::function::FnOnce>::call_once::h42148c33ed88c979 [INFO] [stdout] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/liballoc/boxed.rs:1081 [INFO] [stdout] 18: 0x55ad07f715ec - as core::ops::function::FnOnce<()>>::call_once::h759dc0b09d774665 [INFO] [stdout] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/panic.rs:318 [INFO] [stdout] 19: 0x55ad07f715ec - std::panicking::try::do_call::h676ad1fc9e9badea [INFO] [stdout] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/panicking.rs:348 [INFO] [stdout] 20: 0x55ad07f715ec - std::panicking::try::hee36a8727a3050b0 [INFO] [stdout] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/panicking.rs:325 [INFO] [stdout] 21: 0x55ad07f715ec - std::panic::catch_unwind::hd5d426ebd89b2542 [INFO] [stdout] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/panic.rs:394 [INFO] [stdout] 22: 0x55ad07f715ec - test::run_test_in_process::h8dacdba4dc4cbaa5 [INFO] [stdout] at src/libtest/lib.rs:541 [INFO] [stdout] 23: 0x55ad07f715ec - test::run_test::run_test_inner::{{closure}}::hf93754afad6be40f [INFO] [stdout] at src/libtest/lib.rs:450 [INFO] [stdout] 24: 0x55ad07f49566 - std::sys_common::backtrace::__rust_begin_short_backtrace::h2c69fab544a90730 [INFO] [stdout] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/sys_common/backtrace.rs:130 [INFO] [stdout] 25: 0x55ad07f4e5f5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hcf302fafa60d80f2 [INFO] [stdout] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/thread/mod.rs:475 [INFO] [stdout] 26: 0x55ad07f4e5f5 - as core::ops::function::FnOnce<()>>::call_once::h39ede710608e817e [INFO] [stdout] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/panic.rs:318 [INFO] [stdout] 27: 0x55ad07f4e5f5 - std::panicking::try::do_call::hec0b4d2faa46fbf7 [INFO] [stdout] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/panicking.rs:348 [INFO] [stdout] 28: 0x55ad07f4e5f5 - std::panicking::try::h0144ba3f2539803d [INFO] [stdout] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/panicking.rs:325 [INFO] [stdout] 29: 0x55ad07f4e5f5 - std::panic::catch_unwind::ha03e59eb589f857b [INFO] [stdout] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/panic.rs:394 [INFO] [stdout] 30: 0x55ad07f4e5f5 - std::thread::Builder::spawn_unchecked::{{closure}}::hdeba34620a4a7a44 [INFO] [stdout] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/thread/mod.rs:474 [INFO] [stdout] 31: 0x55ad07f4e5f5 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h552693dbb801eadd [INFO] [stdout] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libcore/ops/function.rs:233 [INFO] [stdout] 32: 0x55ad07f9e5aa - as core::ops::function::FnOnce>::call_once::h61c24496ae624ac5 [INFO] [stdout] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/liballoc/boxed.rs:1081 [INFO] [stdout] 33: 0x55ad07f9e5aa - as core::ops::function::FnOnce>::call_once::h89548957afa14049 [INFO] [stdout] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/liballoc/boxed.rs:1081 [INFO] [stdout] 34: 0x55ad07f9e5aa - std::sys::unix::thread::Thread::new::thread_start::h73903fbbff5b990e [INFO] [stdout] at src/libstd/sys/unix/thread.rs:87 [INFO] [stdout] 35: 0x7fe639b58609 - start_thread [INFO] [stdout] 36: 0x7fe639a64103 - __clone [INFO] [stdout] 37: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] test_single_empty_child [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--test widget_tests' [INFO] running `Command { std: "docker" "inspect" "d5f2dbacea84bd87b2f23ae2a578f7faa762e30f75aee469b03be8781d064fad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d5f2dbacea84bd87b2f23ae2a578f7faa762e30f75aee469b03be8781d064fad", kill_on_drop: false }` [INFO] [stdout] d5f2dbacea84bd87b2f23ae2a578f7faa762e30f75aee469b03be8781d064fad