[INFO] fetching crate queen-io 0.6.1... [INFO] testing queen-io-0.6.1 against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296 [INFO] extracting crate queen-io 0.6.1 into /workspace/builds/worker-8/source [INFO] validating manifest of crates.io crate queen-io 0.6.1 on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate queen-io 0.6.1 [INFO] finished tweaking crates.io crate queen-io 0.6.1 [INFO] tweaked toml for crates.io crate queen-io 0.6.1 written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate crates.io crate queen-io 0.6.1 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 47c20422cf0c9ae61b7e990ddf484eb8c8dc2fb0a23a87e52153502bf33ef86a [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" "47c20422cf0c9ae61b7e990ddf484eb8c8dc2fb0a23a87e52153502bf33ef86a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "47c20422cf0c9ae61b7e990ddf484eb8c8dc2fb0a23a87e52153502bf33ef86a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "47c20422cf0c9ae61b7e990ddf484eb8c8dc2fb0a23a87e52153502bf33ef86a", kill_on_drop: false }` [INFO] [stdout] 47c20422cf0c9ae61b7e990ddf484eb8c8dc2fb0a23a87e52153502bf33ef86a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=forbid" "-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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6b839dbcbc903613a7c7c324e4586d9ab38ee21e2001eb6047b9afed236fd38d [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" "6b839dbcbc903613a7c7c324e4586d9ab38ee21e2001eb6047b9afed236fd38d", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.46 [INFO] [stderr] Compiling queen-io v0.6.1 (/opt/rustwide/workdir) [INFO] [stderr] Compiling hashbrown v0.9.1 [INFO] [stderr] Compiling indexmap v1.6.0 [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5.99s [INFO] running `Command { std: "docker" "inspect" "6b839dbcbc903613a7c7c324e4586d9ab38ee21e2001eb6047b9afed236fd38d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6b839dbcbc903613a7c7c324e4586d9ab38ee21e2001eb6047b9afed236fd38d", kill_on_drop: false }` [INFO] [stdout] 6b839dbcbc903613a7c7c324e4586d9ab38ee21e2001eb6047b9afed236fd38d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=forbid" "-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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ba32175642c494215b566af44beba75fcfa2edcd163e38de1d7b6cb4cbcfada1 [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" "ba32175642c494215b566af44beba75fcfa2edcd163e38de1d7b6cb4cbcfada1", kill_on_drop: false }` [INFO] [stderr] Compiling queen-io v0.6.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 3.58s [INFO] running `Command { std: "docker" "inspect" "ba32175642c494215b566af44beba75fcfa2edcd163e38de1d7b6cb4cbcfada1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ba32175642c494215b566af44beba75fcfa2edcd163e38de1d7b6cb4cbcfada1", kill_on_drop: false }` [INFO] [stdout] ba32175642c494215b566af44beba75fcfa2edcd163e38de1d7b6cb4cbcfada1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=forbid" "-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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "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] 7879f33484c620063c4496d588421798193dca6a4f3334f718fb2b213668aa7d [INFO] running `Command { std: "docker" "start" "-a" "7879f33484c620063c4496d588421798193dca6a4f3334f718fb2b213668aa7d", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/queen_io-96a6e718fff02780 [INFO] [stdout] [INFO] [stdout] running 11 tests [INFO] [stdout] test plus::spsc_queue::tests::smoke_bound ... ok [INFO] [stdout] test plus::spsc_queue::tests::drop_full ... ok [INFO] [stdout] test plus::spsc_queue::tests::peek ... ok [INFO] [stdout] test sys::eventfd::test::write_and_read ... ok [INFO] [stdout] test plus::spsc_queue::tests::smoke ... ok [INFO] [stdout] test plus::mpsc_queue::tests::test_full ... ok [INFO] [stdout] test sys::eventfd::test::write_block ... ok [INFO] [stdout] test plus::mpsc_queue::tests::test ... ok [INFO] [stdout] test plus::mpmc_queue::tests::test ... ok [INFO] [stdout] test plus::block_queue::tests::timeout ... FAILED [INFO] [stdout] test plus::spsc_queue::tests::stress ... ok [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- plus::block_queue::tests::timeout stdout ---- [INFO] [stdout] thread 'plus::block_queue::tests::timeout' panicked at 'called `Option::unwrap()` on a `None` value', src/plus/block_queue.rs:95:62 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55d77dcf5d60 - std::backtrace_rs::backtrace::libunwind::trace::h95fc93571932622e [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stdout] 1: 0x55d77dcf5d60 - std::backtrace_rs::backtrace::trace_unsynchronized::h4d0b90afc33151fd [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x55d77dcf5d60 - std::sys_common::backtrace::_print_fmt::h93d302d001a3bf01 [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stdout] 3: 0x55d77dcf5d60 - ::fmt::h7881e3a580134f9a [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stdout] 4: 0x55d77dd19a2c - core::fmt::write::h1857a60b204f1b6a [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/fmt/mod.rs:1078:17 [INFO] [stdout] 5: 0x55d77dcf1ed2 - std::io::Write::write_fmt::hd17811b9a5dec54b [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/io/mod.rs:1519:15 [INFO] [stdout] 6: 0x55d77dcf85e5 - std::sys_common::backtrace::_print::h3e3f9fed81bc11e9 [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stdout] 7: 0x55d77dcf85e5 - std::sys_common::backtrace::print::hd22ac23fed5071c8 [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stdout] 8: 0x55d77dcf85e5 - std::panicking::default_hook::{{closure}}::h1647bdcf68060e17 [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:208:50 [INFO] [stdout] 9: 0x55d77dcf8172 - std::panicking::default_hook::hb08853b392b9404b [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:222:9 [INFO] [stdout] 10: 0x55d77dcf8d81 - std::panicking::rust_panic_with_hook::h3624ee29da369ede [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:591:17 [INFO] [stdout] 11: 0x55d77dcf8897 - std::panicking::begin_panic_handler::{{closure}}::hefcfcedcde6bb6d9 [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:495:13 [INFO] [stdout] 12: 0x55d77dcf621c - std::sys_common::backtrace::__rust_end_short_backtrace::heb130cec93caa706 [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stdout] 13: 0x55d77dcf8829 - rust_begin_unwind [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:493:5 [INFO] [stdout] 14: 0x55d77dd183b1 - core::panicking::panic_fmt::hb15d6f55e8472f62 [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/panicking.rs:92:14 [INFO] [stdout] 15: 0x55d77dd182fd - core::panicking::panic::h5d1c61fed2502a5f [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/panicking.rs:50:5 [INFO] [stdout] 16: 0x55d77dc68918 - core::option::Option::unwrap::h06cb7ec41a1c512e [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/option.rs:386:21 [INFO] [stdout] 17: 0x55d77dc721f9 - queen_io::plus::block_queue::tests::timeout::hec53813b13d5b2b2 [INFO] [stdout] at /opt/rustwide/workdir/src/plus/block_queue.rs:95:17 [INFO] [stdout] 18: 0x55d77dc720ca - queen_io::plus::block_queue::tests::timeout::{{closure}}::h98c2f89dd8f9ed5a [INFO] [stdout] at /opt/rustwide/workdir/src/plus/block_queue.rs:84:5 [INFO] [stdout] 19: 0x55d77dc8b86e - core::ops::function::FnOnce::call_once::h7d581a44b0d4bf7d [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 20: 0x55d77dcc6b83 - core::ops::function::FnOnce::call_once::h72b3efc134abec04 [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 21: 0x55d77dcc6b83 - test::__rust_begin_short_backtrace::hf76173a3f44f554b [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/test/src/lib.rs:516:5 [INFO] [stdout] 22: 0x55d77dcc5278 - as core::ops::function::FnOnce>::call_once::h49f5b686efed1e06 [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/alloc/src/boxed.rs:1318:9 [INFO] [stdout] 23: 0x55d77dcc5278 - as core::ops::function::FnOnce<()>>::call_once::h4879f836ca9aaead [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panic.rs:322:9 [INFO] [stdout] 24: 0x55d77dcc5278 - std::panicking::try::do_call::h9655796ce3021b6c [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:379:40 [INFO] [stdout] 25: 0x55d77dcc5278 - std::panicking::try::h346508ed448399f4 [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:343:19 [INFO] [stdout] 26: 0x55d77dcc5278 - std::panic::catch_unwind::h00e84f4e9c3caaa0 [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panic.rs:396:14 [INFO] [stdout] 27: 0x55d77dcc5278 - test::run_test_in_process::hc80321f825c30106 [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/test/src/lib.rs:538:18 [INFO] [stdout] 28: 0x55d77dcc5278 - test::run_test::run_test_inner::{{closure}}::h89c217441620999f [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/test/src/lib.rs:449:39 [INFO] [stdout] 29: 0x55d77dc9f866 - std::sys_common::backtrace::__rust_begin_short_backtrace::h3852ec0877008db6 [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stdout] 30: 0x55d77dca402d - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h7c7dfff4b938ae67 [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/thread/mod.rs:474:17 [INFO] [stdout] 31: 0x55d77dca402d - as core::ops::function::FnOnce<()>>::call_once::h8db0dd15c072a403 [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panic.rs:322:9 [INFO] [stdout] 32: 0x55d77dca402d - std::panicking::try::do_call::haad8639857ae1187 [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:379:40 [INFO] [stdout] 33: 0x55d77dca402d - std::panicking::try::h61de115e9dce60f6 [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panicking.rs:343:19 [INFO] [stdout] 34: 0x55d77dca402d - std::panic::catch_unwind::h50601fd82666a838 [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/panic.rs:396:14 [INFO] [stdout] 35: 0x55d77dca402d - std::thread::Builder::spawn_unchecked::{{closure}}::hac267391ef9d21bd [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/thread/mod.rs:473:30 [INFO] [stdout] 36: 0x55d77dca402d - core::ops::function::FnOnce::call_once{{vtable.shim}}::heb15d2d9c42706b7 [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 37: 0x55d77dcfe4ea - as core::ops::function::FnOnce>::call_once::h5446ed3fdb82006e [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/alloc/src/boxed.rs:1318:9 [INFO] [stdout] 38: 0x55d77dcfe4ea - as core::ops::function::FnOnce>::call_once::h62a21a889329a3f2 [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/alloc/src/boxed.rs:1318:9 [INFO] [stdout] 39: 0x55d77dcfe4ea - std::sys::unix::thread::Thread::new::thread_start::h62402416daf174b6 [INFO] [stdout] at /rustc/eafdee2dfae8c2233b74f98b123308be7ccefcc6/library/std/src/sys/unix/thread.rs:71:17 [INFO] [stdout] 40: 0x7f732d730609 - start_thread [INFO] [stdout] 41: 0x7f732d502293 - clone [INFO] [stdout] 42: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] plus::block_queue::tests::timeout [INFO] [stdout] [INFO] [stdout] test result: FAILED. 10 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--lib' [INFO] running `Command { std: "docker" "inspect" "7879f33484c620063c4496d588421798193dca6a4f3334f718fb2b213668aa7d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7879f33484c620063c4496d588421798193dca6a4f3334f718fb2b213668aa7d", kill_on_drop: false }` [INFO] [stdout] 7879f33484c620063c4496d588421798193dca6a4f3334f718fb2b213668aa7d