[INFO] fetching crate once_spin 0.1.3...
[INFO] testing once_spin-0.1.3 against 1.47.0 for beta-1.48-1
[INFO] extracting crate once_spin 0.1.3 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate once_spin 0.1.3 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate once_spin 0.1.3
[INFO] finished tweaking crates.io crate once_spin 0.1.3
[INFO] tweaked toml for crates.io crate once_spin 0.1.3 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate once_spin 0.1.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 554dcc5f90e040e475a6a2f7a723bea87bcffd2114bf6bd0742255fa2dd1fa3a
[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" "554dcc5f90e040e475a6a2f7a723bea87bcffd2114bf6bd0742255fa2dd1fa3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "554dcc5f90e040e475a6a2f7a723bea87bcffd2114bf6bd0742255fa2dd1fa3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "554dcc5f90e040e475a6a2f7a723bea87bcffd2114bf6bd0742255fa2dd1fa3a", kill_on_drop: false }`
[INFO] [stdout] 554dcc5f90e040e475a6a2f7a723bea87bcffd2114bf6bd0742255fa2dd1fa3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 07a802bba179fce3fdc600a3d26eebbacbc7956308ccf8297b6dbf631fadeb55
[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" "07a802bba179fce3fdc600a3d26eebbacbc7956308ccf8297b6dbf631fadeb55", kill_on_drop: false }`
[INFO] [stderr]    Compiling once_spin v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "07a802bba179fce3fdc600a3d26eebbacbc7956308ccf8297b6dbf631fadeb55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07a802bba179fce3fdc600a3d26eebbacbc7956308ccf8297b6dbf631fadeb55", kill_on_drop: false }`
[INFO] [stdout] 07a802bba179fce3fdc600a3d26eebbacbc7956308ccf8297b6dbf631fadeb55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c125ad224f3d2aa4ac120bcf3416194543a1414bd269e3a238683f0ffe7b7800
[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" "c125ad224f3d2aa4ac120bcf3416194543a1414bd269e3a238683f0ffe7b7800", kill_on_drop: false }`
[INFO] [stderr]    Compiling once_spin v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.47s
[INFO] running `Command { std: "docker" "inspect" "c125ad224f3d2aa4ac120bcf3416194543a1414bd269e3a238683f0ffe7b7800", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c125ad224f3d2aa4ac120bcf3416194543a1414bd269e3a238683f0ffe7b7800", kill_on_drop: false }`
[INFO] [stdout] c125ad224f3d2aa4ac120bcf3416194543a1414bd269e3a238683f0ffe7b7800
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.47.0" "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] ff62118f854bfee45ca52979e358205da41915406c194d8f40e78a42856a92e9
[INFO] running `Command { std: "docker" "start" "-a" "ff62118f854bfee45ca52979e358205da41915406c194d8f40e78a42856a92e9", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/once_spin-c0bddc768becc32e
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/barrier-3f2155f8e7c42e7e
[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] [stderr]      Running /opt/rustwide/target/debug/deps/mutex-26c02854906df566
[INFO] [stdout] test test_barrier ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test smoke ... ok
[INFO] [stdout] test test_into_inner ... ok
[INFO] [stdout] test test_mutex_unsized ... ok
[INFO] [stderr] thread '<unnamed>' panicked at 'explicit panic', tests/mutex.rs:130:9
[INFO] [stdout] test test_mutex_force_lock ... ok
[INFO] [stderr] stack backtrace:
[INFO] [stdout] test try_lock ... ok
[INFO] [stdout] test test_into_inner_drop ... ok
[INFO] [stderr]    0:     0x56359815af90 - std::backtrace_rs::backtrace::libunwind::trace::h577ea05e9ca4629a
[INFO] [stdout] test test_mutex_arc_nested ... ok
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stdout] test lots_and_lots ... ok
[INFO] [stderr]    1:     0x56359815af90 - std::backtrace_rs::backtrace::trace_unsynchronized::h50b9b72b84c7dd56
[INFO] [stdout] test test_mutex_arc_access_in_unwind ... ok
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stdout] 
[INFO] [stderr]    2:     0x56359815af90 - std::sys_common::backtrace::_print_fmt::h6541cf9823837fac
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:79
[INFO] [stdout] 
[INFO] [stderr]    3:     0x56359815af90 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hf64fbff071026df5
[INFO] [stdout] 
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:58
[INFO] [stdout] running 7 tests
[INFO] [stderr]    4:     0x56359817dddc - core::fmt::write::h9ddafa4860d8adff
[INFO] [stdout] test smoke_once ... ok
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/fmt/mod.rs:1082
[INFO] [stdout] test wait ... ok
[INFO] [stderr]    5:     0x563598157c17 - std::io::Write::write_fmt::h1d2ee292d2b65481
[INFO] [stdout] test try_get ... ok
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/io/mod.rs:1514
[INFO] [stdout] test try_no_wait ... ok
[INFO] [stderr]    6:     0x56359815d410 - std::sys_common::backtrace::_print::ha25f9ff5080d886d
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:61
[INFO] [stderr]    7:     0x56359815d410 - std::sys_common::backtrace::print::h213e8aa8dc5405c0
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:48
[INFO] [stderr]    8:     0x56359815d410 - std::panicking::default_hook::{{closure}}::h6482fae49ef9d963
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:200
[INFO] [stderr]    9:     0x56359815d15c - std::panicking::default_hook::he30ad7589e0970f9
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:219
[INFO] [stderr]   10:     0x56359815da73 - std::panicking::rust_panic_with_hook::haa1ed36ada4ffb03
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:569
[INFO] [stderr]   11:     0x5635980fe7a8 - std::panicking::begin_panic::{{closure}}::h64329a8aebf5b63a
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:498
[INFO] [stderr]   12:     0x5635980ee598 - std::sys_common::backtrace::__rust_end_short_backtrace::h5d4080fae7ada85f
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:153
[INFO] [stderr]   13:     0x5635980fe6d3 - std::panicking::begin_panic::h66614bb5b781babe
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:497
[INFO] [stderr]   14:     0x5635980f8936 - mutex::test_mutex_arc_access_in_unwind::{{closure}}::hecb3464ac4b17cf2
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/mutex.rs:130
[INFO] [stderr]   15:     0x5635980ee69e - std::sys_common::backtrace::__rust_begin_short_backtrace::h701a804c46fccb80
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:137
[INFO] [stderr]   16:     0x5635981023aa - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h148cec3f03649d65
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/thread/mod.rs:458
[INFO] [stderr]   17:     0x5635980fcfee - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h8077e9c24a8fb326
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panic.rs:308
[INFO] [stderr]   18:     0x5635980fec5a - std::panicking::try::do_call::he38f35dc80e34989
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:373
[INFO] [stderr]   19:     0x5635980ffd9d - __rust_try
[INFO] [stderr]   20:     0x5635980feae7 - std::panicking::try::hba422e39fd9d4b86
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:337
[INFO] [stderr]   21:     0x5635980fd5de - std::panic::catch_unwind::h8daac82afa661056
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panic.rs:379
[INFO] [stderr]   22:     0x5635981021de - std::thread::Builder::spawn_unchecked::{{closure}}::hd77b383605b4e44d
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/thread/mod.rs:457
[INFO] [stderr]   23:     0x5635980efd7e - core::ops::function::FnOnce::call_once{{vtable.shim}}::h72b9dd55b911e61d
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/ops/function.rs:227
[INFO] [stderr]   24:     0x56359816422a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h670c50864ac2cb92
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/alloc/src/boxed.rs:1042
[INFO] [stderr]   25:     0x56359816422a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h2511952749086d81
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/alloc/src/boxed.rs:1042
[INFO] [stderr]   26:     0x56359816422a - std::sys::unix::thread::Thread::new::thread_start::h5ad4ddffe24373a8
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys/unix/thread.rs:87
[INFO] [stderr]   27:     0x7fe9c25c2609 - start_thread
[INFO] [stderr]   28:     0x7fe9c24ce103 - clone
[INFO] [stderr]   29:                0x0 - <unknown>
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/once-aeecf8fecca770e2
[INFO] [stdout] test smoke_once_value ... ok
[INFO] [stdout] test panic ... ok
[INFO] [stdout] test stampede_once ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rw_lock-ec6495eb191e186c
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stderr] thread '<unnamed>' panicked at 'explicit panic', tests/rw_lock.rs:73:9
[INFO] [stdout] test test_into_inner ... ok
[INFO] [stderr] stack backtrace:
[INFO] [stdout] test test_rwlock_try_write ... ok
[INFO] [stdout] test test_into_inner_drop ... ok
[INFO] [stdout] test test_upgrade_downgrade ... ok
[INFO] [stdout] test test_rw_try_read ... ok
[INFO] [stdout] test test_rwlock_unsized ... ok
[INFO] [stdout] test smoke ... ok
[INFO] [stdout] test test_force_read_decrement ... ok
[INFO] [stdout] test test_force_write_unlock ... ok
[INFO] [stderr]    0:     0x564d608f2180 - std::backtrace_rs::backtrace::libunwind::trace::h577ea05e9ca4629a
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stderr]    1:     0x564d608f2180 - std::backtrace_rs::backtrace::trace_unsynchronized::h50b9b72b84c7dd56
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x564d608f2180 - std::sys_common::backtrace::_print_fmt::h6541cf9823837fac
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:79
[INFO] [stderr]    3:     0x564d608f2180 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hf64fbff071026df5
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:58
[INFO] [stdout] test test_rw_arc ... ok
[INFO] [stderr]    4:     0x564d60914fcc - core::fmt::write::h9ddafa4860d8adff
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/fmt/mod.rs:1082
[INFO] [stderr]    5:     0x564d608eee07 - std::io::Write::write_fmt::h1d2ee292d2b65481
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/io/mod.rs:1514
[INFO] [stderr]    6:     0x564d608f4600 - std::sys_common::backtrace::_print::ha25f9ff5080d886d
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:61
[INFO] [stderr]    7:     0x564d608f4600 - std::sys_common::backtrace::print::h213e8aa8dc5405c0
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:48
[INFO] [stderr]    8:     0x564d608f4600 - std::panicking::default_hook::{{closure}}::h6482fae49ef9d963
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:200
[INFO] [stderr]    9:     0x564d608f434c - std::panicking::default_hook::he30ad7589e0970f9
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:219
[INFO] [stderr]   10:     0x564d608f4c63 - std::panicking::rust_panic_with_hook::haa1ed36ada4ffb03
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:569
[INFO] [stderr]   11:     0x564d60883f98 - std::panicking::begin_panic::{{closure}}::hc2479cfe411ce24c
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:498
[INFO] [stderr]   12:     0x564d60892be8 - std::sys_common::backtrace::__rust_end_short_backtrace::h57d10b5968cc39fc
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:153
[INFO] [stderr]   13:     0x564d60883ec3 - std::panicking::begin_panic::h61fb085fb616ce8f
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:497
[INFO] [stderr]   14:     0x564d60889856 - rw_lock::test_rw_access_in_unwind::{{closure}}::he1d4c8e7eff5ab7e
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/rw_lock.rs:73
[INFO] [stderr]   15:     0x564d60892cae - std::sys_common::backtrace::__rust_begin_short_backtrace::hb0963a88c4447515
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:137
[INFO] [stderr]   16:     0x564d6088d24a - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h213447a6900e3951
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/thread/mod.rs:458
[INFO] [stderr]   17:     0x564d60883cde - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hf98e544820c71a06
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panic.rs:308
[INFO] [stderr]   18:     0x564d6088425a - std::panicking::try::do_call::h2fa9fdccd1b01bbb
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:373
[INFO] [stderr]   19:     0x564d6088677d - __rust_try
[INFO] [stderr]   20:     0x564d608841c7 - std::panicking::try::hbb1c338b7b833002
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:337
[INFO] [stderr]   21:     0x564d60883dee - std::panic::catch_unwind::h5fe2665fa4e3926b
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panic.rs:379
[INFO] [stderr]   22:     0x564d6088cd8e - std::thread::Builder::spawn_unchecked::{{closure}}::h458f11ff37700b30
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/thread/mod.rs:457
[INFO] [stderr]   23:     0x564d6087e2ee - core::ops::function::FnOnce::call_once{{vtable.shim}}::h4bc49a4fd2a125d7
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/ops/function.rs:227
[INFO] [stderr]   24:     0x564d608fb41a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h670c50864ac2cb92
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/alloc/src/boxed.rs:1042
[INFO] [stderr]   25:     0x564d608fb41a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h2511952749086d81
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/alloc/src/boxed.rs:1042
[INFO] [stderr]   26:     0x564d608fb41a - std::sys::unix::thread::Thread::new::thread_start::h5ad4ddffe24373a8
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys/unix/thread.rs:87
[INFO] [stderr]   27:     0x7f7743e3f609 - start_thread
[INFO] [stderr]   28:     0x7f7743d4b103 - clone
[INFO] [stderr]   29:                0x0 - <unknown>
[INFO] [stdout] test test_rw_access_in_unwind ... ok
[INFO] [stderr]    Doc-tests once_spin
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test src/once.rs - once::Once<T>::call_once (line 64) ... ok
[INFO] [stdout] test src/mutex.rs - mutex::Mutex<T>::new (line 83) ... ok
[INFO] [stdout] test src/once.rs - once::Once (line 20) ... ok
[INFO] [stdout] test src/barrier.rs - barrier::Barrier::new (line 64) ... ok
[INFO] [stdout] test src/rw_lock.rs - rw_lock::RwLock<T>::new (line 77) ... ok
[INFO] [stdout] test src/barrier.rs - barrier::BarrierWaitResult (line 46) ... ok
[INFO] [stdout] test src/mutex.rs - mutex::Mutex<T>::get_mut (line 173) ... ok
[INFO] [stdout] test src/mutex.rs - mutex::Mutex<T>::lock (line 122) ... ok
[INFO] [stdout] test src/rw_lock.rs - rw_lock::RwLock<T>::read (line 152) ... ok
[INFO] [stdout] test src/barrier.rs - barrier::BarrierWaitResult::is_leader (line 142) ... ok
[INFO] [stdout] test src/rw_lock.rs - rw_lock::RwLock<T>::get_mut (line 299) ... ok
[INFO] [stdout] test src/rw_lock.rs - rw_lock::RwLockUpgradeableGuard::try_upgrade (line 416) ... ok
[INFO] [stdout] test src/mutex.rs - mutex::Mutex (line 42) ... ok
[INFO] [stdout] test src/rw_lock.rs - rw_lock::RwLock (line 44) ... ok
[INFO] [stdout] test src/rw_lock.rs - rw_lock::RwLock<T>::try_write (line 220) ... ok
[INFO] [stdout] test src/mutex.rs - mutex::Mutex (line 19) ... ok
[INFO] [stdout] test src/rw_lock.rs - rw_lock::RwLock<T>::write (line 248) ... ok
[INFO] [stdout] test src/rw_lock.rs - rw_lock::RwLock<T>::try_read (line 112) ... ok
[INFO] [stdout] test src/barrier.rs - barrier::Barrier (line 9) ... ok
[INFO] [stdout] test src/rw_lock.rs - rw_lock::RwLockUpgradeableGuard::upgrade (line 433) ... ok
[INFO] [stdout] test src/rw_lock.rs - rw_lock::RwLockWriteGuard::downgrade (line 478) ... ok
[INFO] [stdout] test src/rw_lock.rs - rw_lock::RwLockUpgradeableGuard::downgrade (line 453) ... ok
[INFO] [stdout] test src/barrier.rs - barrier::Barrier::wait (line 94) ... 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" "ff62118f854bfee45ca52979e358205da41915406c194d8f40e78a42856a92e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff62118f854bfee45ca52979e358205da41915406c194d8f40e78a42856a92e9", kill_on_drop: false }`
[INFO] [stdout] ff62118f854bfee45ca52979e358205da41915406c194d8f40e78a42856a92e9
