[INFO] fetching crate spin 0.6.0...
[INFO] testing spin-0.6.0 against beta-2020-10-09 for beta-1.48-1
[INFO] extracting crate spin 0.6.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate spin 0.6.0 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate spin 0.6.0
[INFO] finished tweaking crates.io crate spin 0.6.0
[INFO] tweaked toml for crates.io crate spin 0.6.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate spin 0.6.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", 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] 270025a0b129eb38dc91118df354ea439474a2dd65572682bfa734134e76a380
[INFO] running `Command { std: "docker" "start" "-a" "270025a0b129eb38dc91118df354ea439474a2dd65572682bfa734134e76a380", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "270025a0b129eb38dc91118df354ea439474a2dd65572682bfa734134e76a380", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "270025a0b129eb38dc91118df354ea439474a2dd65572682bfa734134e76a380", kill_on_drop: false }`
[INFO] [stdout] 270025a0b129eb38dc91118df354ea439474a2dd65572682bfa734134e76a380
[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" "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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09bf52a7b44188afcdbcf825afe32a284e00d34944c4f9e70fc3b4097000c7e9
[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" "09bf52a7b44188afcdbcf825afe32a284e00d34944c4f9e70fc3b4097000c7e9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling spin v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "09bf52a7b44188afcdbcf825afe32a284e00d34944c4f9e70fc3b4097000c7e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09bf52a7b44188afcdbcf825afe32a284e00d34944c4f9e70fc3b4097000c7e9", kill_on_drop: false }`
[INFO] [stdout] 09bf52a7b44188afcdbcf825afe32a284e00d34944c4f9e70fc3b4097000c7e9
[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" "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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df669df36e732e05bc97ce723ac820d5ef19ef5ac937547fdc2c6da551fb7dca
[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" "df669df36e732e05bc97ce723ac820d5ef19ef5ac937547fdc2c6da551fb7dca", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling spin v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.20s
[INFO] running `Command { std: "docker" "inspect" "df669df36e732e05bc97ce723ac820d5ef19ef5ac937547fdc2c6da551fb7dca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df669df36e732e05bc97ce723ac820d5ef19ef5ac937547fdc2c6da551fb7dca", kill_on_drop: false }`
[INFO] [stdout] df669df36e732e05bc97ce723ac820d5ef19ef5ac937547fdc2c6da551fb7dca
[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" "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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1a2ab2ae35f2495ae0b5cb009b8aae8643ba3dff7fbd78325571d3ff0187e88c
[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" "1a2ab2ae35f2495ae0b5cb009b8aae8643ba3dff7fbd78325571d3ff0187e88c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/spin-9e3410d58d2feb67
[INFO] [stdout] running 28 tests
[INFO] [stderr] thread '<unnamed>' panicked at 'explicit panic', src/rw_lock.rs:934:13
[INFO] [stdout] test mutex::tests::smoke ... ok
[INFO] [stderr] thread '<unnamed>' panicked at 'explicit panic', src/mutex.rs:414:13
[INFO] [stdout] test mutex::tests::test_into_inner ... ok
[INFO] [stdout] test mutex::tests::test_into_inner_drop ... ok
[INFO] [stdout] test mutex::tests::test_mutex_force_lock ... ok
[INFO] [stdout] test mutex::tests::test_mutex_unsized ... ok
[INFO] [stdout] test once::tests::smoke_once ... ok
[INFO] [stdout] test once::tests::try ... ok
[INFO] [stdout] test mutex::tests::try_lock ... ok
[INFO] [stdout] test once::tests::init_constant ... ok
[INFO] [stdout] test mutex::tests::test_mutex_arc_nested ... ok
[INFO] [stdout] test rw_lock::tests::test_force_write_unlock ... ok
[INFO] [stdout] test rw_lock::tests::test_into_inner ... ok
[INFO] [stdout] test rw_lock::tests::test_into_inner_drop ... ok
[INFO] [stdout] test rw_lock::tests::test_rwlock_try_write ... ok
[INFO] [stdout] test rw_lock::tests::smoke ... ok
[INFO] [stdout] test rw_lock::tests::test_rw_try_read ... ok
[INFO] [stdout] test rw_lock::tests::test_rwlock_unsized ... ok
[INFO] [stdout] test rw_lock::tests::test_upgrade_downgrade ... ok
[INFO] [stdout] test once::tests::smoke_once_value ... ok
[INFO] [stdout] test rw_lock::tests::test_rw_arc ... ok
[INFO] [stdout] test once::tests::try_no_wait ... ok
[INFO] [stdout] test once::tests::wait ... ok
[INFO] [stdout] test rw_lock::tests::test_force_read_decrement ... ok
[INFO] [stdout] test mutex::tests::lots_and_lots ... ok
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55ee19cf0660 - std::backtrace_rs::backtrace::libunwind::trace::h7cf3ca97bd83fbab
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stderr]    1:     0x55ee19cf0660 - std::backtrace_rs::backtrace::trace_unsynchronized::h5a69c674b2d9ea5c
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55ee19cf0660 - std::sys_common::backtrace::_print_fmt::hdf72478dfcb50678
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:79
[INFO] [stderr]    3:     0x55ee19cf0660 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h1e0bdbb35e83deca
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:58
[INFO] [stderr]    4:     0x55ee19d1299c - core::fmt::write::he67f9b17bcb7ee73
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/fmt/mod.rs:1080
[INFO] [stderr]    5:     0x55ee19cecf32 - std::io::Write::write_fmt::hac97d5cb5753e2ec
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/io/mod.rs:1516
[INFO] [stderr]    6:     0x55ee19cf2b7d - std::sys_common::backtrace::_print::haa20918e28a126c5
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:61
[INFO] [stderr]    7:     0x55ee19cf2b7d - std::sys_common::backtrace::print::h49e772a4873d9076
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:48
[INFO] [stderr]    8:     0x55ee19cf2b7d - std::panicking::default_hook::{{closure}}::hb218b305d15e3f11
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:208
[INFO] [stderr]    9:     0x55ee19cf2828 - std::panicking::default_hook::h63997b7b949e1ce0
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:227
[INFO] [stderr]   10:     0x55ee19cf3261 - std::panicking::rust_panic_with_hook::hb54f09ccadf64bd3
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:577
[INFO] [stderr]   11:     0x55ee19c6bcf8 - std::panicking::begin_panic::{{closure}}::hacb3134b9897a792
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:506
[INFO] [stderr]   12:     0x55ee19c765e8 - std::sys_common::backtrace::__rust_end_short_backtrace::h50e57d4c1ae92eeb
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:153
[INFO] [stderr]   13:     0x55ee19c6bc23 - std::panicking::begin_panic::he1aedd152465291b
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:505
[INFO] [stderr]   14:     0x55ee19c74646 - spin::rw_lock::tests::test_rw_access_in_unwind::{{closure}}::h15ea3973da9ae84b
[INFO] [stderr]                                at /opt/rustwide/workdir/src/rw_lock.rs:934
[INFO] [stderr]   15:     0x55ee19c7664e - std::sys_common::backtrace::__rust_begin_short_backtrace::h1af7b92615045961
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:137
[INFO] [stderr]   16:     0x55ee19c8d44a - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2813fd8a8abc0609
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/mod.rs:464
[INFO] [stderr]   17:     0x55ee19c7645e - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h045468c7f97707f2
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:308
[INFO] [stderr]   18:     0x55ee19c6c7da - std::panicking::try::do_call::hd15eb5ef26543826
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:381
[INFO] [stderr]   19:     0x55ee19c6e08d - __rust_try
[INFO] [stderr]   20:     0x55ee19c6be07 - std::panicking::try::h0d6ec451a2718588
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:345
[INFO] [stderr]   21:     0x55ee19c76abe - std::panic::catch_unwind::hac5564c287d5bd37
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:382
[INFO] [stderr]   22:     0x55ee19c8cf4e - std::thread::Builder::spawn_unchecked::{{closure}}::hb2168d7626910fd1
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/mod.rs:463
[INFO] [stderr]   23:     0x55ee19c8328e - core::ops::function::FnOnce::call_once{{vtable.shim}}::h13d73ddffc14fec0
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:227
[INFO] [stderr]   24:     0x55ee19cf928a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hd4d30e37db281e8f
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1042
[INFO] [stderr]   25:     0x55ee19cf928a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h019185a215ba16e4
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1042
[INFO] [stderr]   26:     0x55ee19cf928a - std::sys::unix::thread::Thread::new::thread_start::h33c6d7cf25f9291f
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys/unix/thread.rs:87
[INFO] [stderr]   27:     0x7f76a07db609 - start_thread
[INFO] [stderr]   28:     0x7f76a0a66103 - clone
[INFO] [stderr]   29:                0x0 - <unknown>
[INFO] [stdout] test rw_lock::tests::test_rw_access_in_unwind ... ok
[INFO] [stderr] stack backtrace:
[INFO] [stdout] test mutex::tests::test_mutex_arc_access_in_unwind ... ok
[INFO] [stderr]    0:     0x55ee19cf0660 - std::backtrace_rs::backtrace::libunwind::trace::h7cf3ca97bd83fbab
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stderr]    1:     0x55ee19cf0660 - std::backtrace_rs::backtrace::trace_unsynchronized::h5a69c674b2d9ea5c
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55ee19cf0660 - std::sys_common::backtrace::_print_fmt::hdf72478dfcb50678
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:79
[INFO] [stderr]    3:     0x55ee19cf0660 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h1e0bdbb35e83deca
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:58
[INFO] [stderr]    4:     0x55ee19d1299c - core::fmt::write::he67f9b17bcb7ee73
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/fmt/mod.rs:1080
[INFO] [stderr]    5:     0x55ee19cecf32 - std::io::Write::write_fmt::hac97d5cb5753e2ec
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/io/mod.rs:1516
[INFO] [stderr]    6:     0x55ee19cf2b7d - std::sys_common::backtrace::_print::haa20918e28a126c5
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:61
[INFO] [stderr]    7:     0x55ee19cf2b7d - std::sys_common::backtrace::print::h49e772a4873d9076
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:48
[INFO] [stderr]    8:     0x55ee19cf2b7d - std::panicking::default_hook::{{closure}}::hb218b305d15e3f11
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:208
[INFO] [stderr]    9:     0x55ee19cf2828 - std::panicking::default_hook::h63997b7b949e1ce0
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:227
[INFO] [stderr]   10:     0x55ee19cf3261 - std::panicking::rust_panic_with_hook::hb54f09ccadf64bd3
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:577
[INFO] [stderr]   11:     0x55ee19c6bcf8 - std::panicking::begin_panic::{{closure}}::hacb3134b9897a792
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:506
[INFO] [stderr]   12:     0x55ee19c765e8 - std::sys_common::backtrace::__rust_end_short_backtrace::h50e57d4c1ae92eeb
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:153
[INFO] [stderr]   13:     0x55ee19c6bc23 - std::panicking::begin_panic::he1aedd152465291b
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:505
[INFO] [stderr]   14:     0x55ee19c72ef6 - spin::mutex::tests::test_mutex_arc_access_in_unwind::{{closure}}::h7b06a8d7915a1fd3
[INFO] [stderr]                                at /opt/rustwide/workdir/src/mutex.rs:414
[INFO] [stderr]   15:     0x55ee19c767ae - std::sys_common::backtrace::__rust_begin_short_backtrace::hc1028098138f03fa
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:137
[INFO] [stderr]   16:     0x55ee19c8d4ba - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hd949b04d018f2b27
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/mod.rs:464
[INFO] [stderr]   17:     0x55ee19c764ee - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h8f34b1e97533c7ce
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:308
[INFO] [stderr]   18:     0x55ee19c6c65a - std::panicking::try::do_call::h62ce9b7724d00d96
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:381
[INFO] [stderr]   19:     0x55ee19c6e08d - __rust_try
[INFO] [stderr]   20:     0x55ee19c6bd57 - std::panicking::try::h003f1c3f52218213
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:345
[INFO] [stderr]   21:     0x55ee19c7696e - std::panic::catch_unwind::h1d65ba0b68c539dc
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:382
[INFO] [stderr]   22:     0x55ee19c8c38e - std::thread::Builder::spawn_unchecked::{{closure}}::h720763f5d6748096
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/thread/mod.rs:463
[INFO] [stderr]   23:     0x55ee19c832ae - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6b68ace2b88f7fee
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:227
[INFO] [stderr]   24:     0x55ee19cf928a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hd4d30e37db281e8f
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1042
[INFO] [stderr]   25:     0x55ee19cf928a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h019185a215ba16e4
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/alloc/src/boxed.rs:1042
[INFO] [stderr]   26:     0x55ee19cf928a - std::sys::unix::thread::Thread::new::thread_start::h33c6d7cf25f9291f
[INFO] [stderr]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys/unix/thread.rs:87
[INFO] [stderr]   27:     0x7f76a07db609 - start_thread
[INFO] [stderr]   28:     0x7f76a0a66103 - clone
[INFO] [stderr]   29:                0x0 - <unknown>
[INFO] [stdout] test once::tests::panic ... ok
[INFO] [stdout] test once::tests::stampede_once ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 28 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests spin
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test src/once.rs - once::Once<T>::call_once (line 89) ... ok
[INFO] [stdout] test src/once.rs - once::Once (line 15) ... ok
[INFO] [stdout] test src/mutex.rs - mutex::Mutex (line 19) ... ok
[INFO] [stdout] test src/mutex.rs - mutex::Mutex<T>::new (line 93) ... ok
[INFO] [stdout] test src/rw_lock.rs - rw_lock::RwLock<T>::new (line 106) ... ok
[INFO] [stdout] test src/mutex.rs - mutex::MutexGuard::leak (line 221) ... ok
[INFO] [stdout] test src/rw_lock.rs - rw_lock::RwLock<T>::read (line 148) ... ok
[INFO] [stdout] test src/rw_lock.rs - rw_lock::RwLock<T>::try_write (line 310) ... ok
[INFO] [stdout] test src/rw_lock.rs - rw_lock::RwLock<T>::try_read (line 176) ... ok
[INFO] [stdout] test src/rw_lock.rs - rw_lock::RwLock<T>::get_mut (line 362) ... ok
[INFO] [stdout] test src/rw_lock.rs - rw_lock::RwLock (line 38) ... ok
[INFO] [stdout] test src/rw_lock.rs - rw_lock::RwLock<T>::write (line 285) ... ok
[INFO] [stdout] test src/mutex.rs - mutex::Mutex<T>::lock (line 136) ... ok
[INFO] [stdout] test src/mutex.rs - mutex::Mutex<T>::get_mut (line 187) ... ok
[INFO] [stdout] test src/rw_lock.rs - rw_lock::RwLockUpgradeableGuard::leak (line 519) ... ok
[INFO] [stdout] test src/rw_lock.rs - rw_lock::RwLockReadGuard::leak (line 396) ... ok
[INFO] [stdout] test src/rw_lock.rs - rw_lock::RwLockUpgradeableGuard::upgrade (line 452) ... ok
[INFO] [stdout] test src/rw_lock.rs - rw_lock::RwLockUpgradeableGuard::try_upgrade (line 472) ... ok
[INFO] [stdout] test src/rw_lock.rs - rw_lock::RwLockUpgradeableGuard::downgrade (line 489) ... ok
[INFO] [stdout] test src/mutex.rs - mutex::Mutex (line 41) ... ok
[INFO] [stdout] test src/rw_lock.rs - rw_lock::RwLockWriteGuard::downgrade (line 548) ... ok
[INFO] [stdout] test src/rw_lock.rs - rw_lock::RwLockWriteGuard::downgrade_to_upgradeable (line 576) ... ok
[INFO] [stdout] test src/rw_lock.rs - rw_lock::RwLockWriteGuard::leak (line 607) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1a2ab2ae35f2495ae0b5cb009b8aae8643ba3dff7fbd78325571d3ff0187e88c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a2ab2ae35f2495ae0b5cb009b8aae8643ba3dff7fbd78325571d3ff0187e88c", kill_on_drop: false }`
[INFO] [stdout] 1a2ab2ae35f2495ae0b5cb009b8aae8643ba3dff7fbd78325571d3ff0187e88c
