[INFO] fetching crate pool_barrier 0.1.1...
[INFO] testing pool_barrier-0.1.1 against 1.47.0 for beta-1.48-1
[INFO] extracting crate pool_barrier 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate pool_barrier 0.1.1 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 pool_barrier 0.1.1
[INFO] finished tweaking crates.io crate pool_barrier 0.1.1
[INFO] tweaked toml for crates.io crate pool_barrier 0.1.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9e133008029ed24cb13d126c0911adf54aa872129f5449bbc28102bd06d92417
[INFO] running `Command { std: "docker" "start" "-a" "9e133008029ed24cb13d126c0911adf54aa872129f5449bbc28102bd06d92417", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e133008029ed24cb13d126c0911adf54aa872129f5449bbc28102bd06d92417", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e133008029ed24cb13d126c0911adf54aa872129f5449bbc28102bd06d92417", kill_on_drop: false }`
[INFO] [stdout] 9e133008029ed24cb13d126c0911adf54aa872129f5449bbc28102bd06d92417
[INFO] running `Command { std: "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" "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] dccaf06a974b76069afee67cea7c9ba21e2aadc369ae11df73d785a78f8d506e
[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" "dccaf06a974b76069afee67cea7c9ba21e2aadc369ae11df73d785a78f8d506e", kill_on_drop: false }`
[INFO] [stderr]    Compiling pool_barrier v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "dccaf06a974b76069afee67cea7c9ba21e2aadc369ae11df73d785a78f8d506e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dccaf06a974b76069afee67cea7c9ba21e2aadc369ae11df73d785a78f8d506e", kill_on_drop: false }`
[INFO] [stdout] dccaf06a974b76069afee67cea7c9ba21e2aadc369ae11df73d785a78f8d506e
[INFO] running `Command { std: "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" "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] d49263577f2c77cadc4450e7e0ab189dd0989be92187fe307487d7ea8e8a272e
[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" "d49263577f2c77cadc4450e7e0ab189dd0989be92187fe307487d7ea8e8a272e", kill_on_drop: false }`
[INFO] [stderr]    Compiling pool_barrier v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "d49263577f2c77cadc4450e7e0ab189dd0989be92187fe307487d7ea8e8a272e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d49263577f2c77cadc4450e7e0ab189dd0989be92187fe307487d7ea8e8a272e", kill_on_drop: false }`
[INFO] [stdout] d49263577f2c77cadc4450e7e0ab189dd0989be92187fe307487d7ea8e8a272e
[INFO] running `Command { std: "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" "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] [stdout] 1af9ca07f12867245cf2b33f2511f1f3409a0b5570077d8442ff1525d9e1244f
[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" "1af9ca07f12867245cf2b33f2511f1f3409a0b5570077d8442ff1525d9e1244f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/pool_barrier-16a176539db321ce
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::same_thread ... ok
[INFO] [stdout] thread_id: 2
[INFO] [stdout] thread_id: 2
[INFO] [stdout] thread_id: 1
[INFO] [stdout] thread_id: 4
[INFO] [stdout] thread_id: 2
[INFO] [stdout] thread_id: 1
[INFO] [stderr] thread '<unnamed>' panicked at 'Deliberate panic', src/lib.rs:237:30
[INFO] [stdout] thread_id: 2
[INFO] [stderr] stack backtrace:
[INFO] [stdout] thread_id: 2
[INFO] [stderr]    0:     0x556c41302bc0 - std::backtrace_rs::backtrace::libunwind::trace::h577ea05e9ca4629a
[INFO] [stdout] thread_id: 3
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stdout] thread_id: 3
[INFO] [stderr]    1:     0x556c41302bc0 - std::backtrace_rs::backtrace::trace_unsynchronized::h50b9b72b84c7dd56
[INFO] [stdout] thread_id: 3
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stdout] thread_id: 3
[INFO] [stderr]    2:     0x556c41302bc0 - std::sys_common::backtrace::_print_fmt::h6541cf9823837fac
[INFO] [stdout] thread_id: 0
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:79
[INFO] [stdout] thread_id: 2
[INFO] [stderr]    3:     0x556c41302bc0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hf64fbff071026df5
[INFO] [stdout] thread_id: 0
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:58
[INFO] [stdout] thread_id: 4
[INFO] [stderr]    4:     0x556c41325a0c - core::fmt::write::h9ddafa4860d8adff
[INFO] [stdout] thread_id: 4
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/fmt/mod.rs:1082
[INFO] [stdout] thread_id: 1
[INFO] [stderr]    5:     0x556c412ff6c7 - std::io::Write::write_fmt::h1d2ee292d2b65481
[INFO] [stdout] test tests::not_enough_checkpoints ... ok
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/io/mod.rs:1514
[INFO] [stdout] thread_id: 0
[INFO] [stderr]    6:     0x556c41305050 - std::sys_common::backtrace::_print::ha25f9ff5080d886d
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:61
[INFO] [stderr]    7:     0x556c41305050 - std::sys_common::backtrace::print::h213e8aa8dc5405c0
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:48
[INFO] [stderr]    8:     0x556c41305050 - std::panicking::default_hook::{{closure}}::h6482fae49ef9d963
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:200
[INFO] [stderr]    9:     0x556c41304d9c - std::panicking::default_hook::he30ad7589e0970f9
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:219
[INFO] [stderr]   10:     0x556c413056b3 - std::panicking::rust_panic_with_hook::haa1ed36ada4ffb03
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:569
[INFO] [stderr]   11:     0x556c412d972c - std::panicking::begin_panic::{{closure}}::ha0e3a85017754425
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:498
[INFO] [stderr]   12:     0x556c412dd8d9 - std::sys_common::backtrace::__rust_end_short_backtrace::h6dae243c0483b687
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:153
[INFO] [stderr]   13:     0x556c412d9657 - std::panicking::begin_panic::ha692015c7e6dfc60
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:497
[INFO] [stderr]   14:     0x556c4128fadc - pool_barrier::tests::panic_run::{{closure}}::hcbdd04c74919751e
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib.rs:237
[INFO] [stderr]   15:     0x556c41296e13 - std::sys_common::backtrace::__rust_begin_short_backtrace::h30420b01d4c18df7
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:137
[INFO] [stderr]   16:     0x556c41294bd3 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hf0e879e7d85fe96a
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/thread/mod.rs:458
[INFO] [stderr]   17:     0x556c41292993 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h03b93ac367a2560f
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panic.rs:308
[INFO] [stderr]   18:     0x556c41296989 - std::panicking::try::do_call::h2f5ac0273eaaadc0
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:373
[INFO] [stderr]   19:     0x556c41296b2d - __rust_try
[INFO] [stderr]   20:     0x556c412968e0 - std::panicking::try::hccd3f900c93042e4
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:337
[INFO] [stderr]   21:     0x556c41292b73 - std::panic::catch_unwind::hea901724590dc9ca
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panic.rs:379
[INFO] [stderr]   22:     0x556c412949cc - std::thread::Builder::spawn_unchecked::{{closure}}::h9c655119d83b1efa
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/thread/mod.rs:457
[INFO] [stderr]   23:     0x556c41292c0e - core::ops::function::FnOnce::call_once{{vtable.shim}}::h50dc92e57f8624b5
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/ops/function.rs:227
[INFO] [stderr]   24:     0x556c4130beba - <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:     0x556c4130beba - <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:     0x556c4130beba - 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:     0x7f32b9a68609 - start_thread
[INFO] [stderr]   28:     0x7f32b9974103 - clone
[INFO] [stderr]   29:                0x0 - <unknown>
[INFO] [stdout] thread_id: 1
[INFO] [stdout] thread_id: 4
[INFO] [stdout] thread_id: 0
[INFO] [stdout] thread_id: 0
[INFO] [stdout] thread_id: 0
[INFO] [stdout] thread_id: 4
[INFO] [stderr] thread '<unnamed>' panicked at 'Deliberate panic', src/lib.rs:237:30
[INFO] [stdout] thread_id: 2
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x556c41302bc0 - std::backtrace_rs::backtrace::libunwind::trace::h577ea05e9ca4629a
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stderr]    1:     0x556c41302bc0 - std::backtrace_rs::backtrace::trace_unsynchronized::h50b9b72b84c7dd56
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x556c41302bc0 - std::sys_common::backtrace::_print_fmt::h6541cf9823837fac
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:79
[INFO] [stderr]    3:     0x556c41302bc0 - <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] [stderr]    4:     0x556c41325a0c - core::fmt::write::h9ddafa4860d8adff
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/fmt/mod.rs:1082
[INFO] [stderr]    5:     0x556c412ff6c7 - std::io::Write::write_fmt::h1d2ee292d2b65481
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/io/mod.rs:1514
[INFO] [stderr]    6:     0x556c41305050 - std::sys_common::backtrace::_print::ha25f9ff5080d886d
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:61
[INFO] [stderr]    7:     0x556c41305050 - std::sys_common::backtrace::print::h213e8aa8dc5405c0
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:48
[INFO] [stderr]    8:     0x556c41305050 - std::panicking::default_hook::{{closure}}::h6482fae49ef9d963
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:200
[INFO] [stderr]    9:     0x556c41304d9c - std::panicking::default_hook::he30ad7589e0970f9
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:219
[INFO] [stderr]   10:     0x556c413056b3 - std::panicking::rust_panic_with_hook::haa1ed36ada4ffb03
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:569
[INFO] [stderr]   11:     0x556c412d972c - std::panicking::begin_panic::{{closure}}::ha0e3a85017754425
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:498
[INFO] [stderr]   12:     0x556c412dd8d9 - std::sys_common::backtrace::__rust_end_short_backtrace::h6dae243c0483b687
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:153
[INFO] [stderr]   13:     0x556c412d9657 - std::panicking::begin_panic::ha692015c7e6dfc60
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:497
[INFO] [stderr]   14:     0x556c4128fadc - pool_barrier::tests::panic_run::{{closure}}::hcbdd04c74919751e
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib.rs:237
[INFO] [stderr]   15:     0x556c41296e13 - std::sys_common::backtrace::__rust_begin_short_backtrace::h30420b01d4c18df7
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:137
[INFO] [stderr]   16:     0x556c41294bd3 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hf0e879e7d85fe96a
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/thread/mod.rs:458
[INFO] [stderr]   17:     0x556c41292993 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h03b93ac367a2560f
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panic.rs:308
[INFO] [stderr]   18:     0x556c41296989 - std::panicking::try::do_call::h2f5ac0273eaaadc0
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:373
[INFO] [stderr]   19:     0x556c41296b2d - __rust_try
[INFO] [stderr]   20:     0x556c412968e0 - std::panicking::try::hccd3f900c93042e4
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:337
[INFO] [stderr]   21:     0x556c41292b73 - std::panic::catch_unwind::hea901724590dc9ca
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panic.rs:379
[INFO] [stderr]   22:     0x556c412949cc - std::thread::Builder::spawn_unchecked::{{closure}}::h9c655119d83b1efa
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/thread/mod.rs:457
[INFO] [stderr]   23:     0x556c41292c0e - core::ops::function::FnOnce::call_once{{vtable.shim}}::h50dc92e57f8624b5
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/ops/function.rs:227
[INFO] [stderr]   24:     0x556c4130beba - <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:     0x556c4130beba - <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:     0x556c4130beba - std::sys::unix::thread::Thread::new::thread_start::h5ad4ddffe24373a8
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys/unix/thread.rs:87
[INFO] [stdout] test tests::too_many_checkpoints ... ok
[INFO] [stderr]   27:     0x7f32b9a68609 - start_thread
[INFO] [stdout] thread_id: 3
[INFO] [stderr]   28:     0x7f32b9974103 - clone
[INFO] [stdout] thread_id: 3
[INFO] [stderr]   29:                0x0 - <unknown>
[INFO] [stdout] thread_id: 1
[INFO] [stdout] test tests::test_finished_true ... ok
[INFO] [stdout] thread_id: 0
[INFO] [stdout] thread_id: 4
[INFO] [stdout] test tests::test_finished_false ... ok
[INFO] [stdout] test tests::test_checkpoint_panic_detection ... ok
[INFO] [stdout] thread_id: 1
[INFO] [stdout] test tests::single_use ... ok
[INFO] [stdout] thread_id: 0
[INFO] [stdout] thread_id: 3
[INFO] [stdout] thread_id: 2
[INFO] [stdout] thread_id: 1
[INFO] [stdout] thread_id: 4
[INFO] [stdout] thread_id: 4
[INFO] [stdout] thread_id: 1
[INFO] [stdout] thread_id: 0
[INFO] [stdout] thread_id: 3
[INFO] [stdout] thread_id: 2
[INFO] [stdout] thread_id: 3
[INFO] [stdout] thread_id: 1
[INFO] [stdout] thread_id: 0
[INFO] [stdout] thread_id: 2
[INFO] [stdout] thread_id: 4
[INFO] [stdout] thread_id: 4
[INFO] [stdout] thread_id: 0
[INFO] [stdout] thread_id: 1
[INFO] [stdout] thread_id: 3
[INFO] [stdout] thread_id: 2
[INFO] [stderr]    Doc-tests pool_barrier
[INFO] [stdout] test tests::reuse ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 15) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1af9ca07f12867245cf2b33f2511f1f3409a0b5570077d8442ff1525d9e1244f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1af9ca07f12867245cf2b33f2511f1f3409a0b5570077d8442ff1525d9e1244f", kill_on_drop: false }`
[INFO] [stdout] 1af9ca07f12867245cf2b33f2511f1f3409a0b5570077d8442ff1525d9e1244f
