[INFO] crate workerpool 1.2.0 is already in cache
[INFO] testing workerpool-1.2.0 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate workerpool 1.2.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate workerpool 1.2.0 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate workerpool 1.2.0
[INFO] finished tweaking crates.io crate workerpool 1.2.0
[INFO] tweaked toml for crates.io crate workerpool 1.2.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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] a67434b80bb59c06fb04bae9e3e1653d3450c8a2d8beef115cd05689a558180b
[INFO] running `Command { std: "docker" "start" "-a" "a67434b80bb59c06fb04bae9e3e1653d3450c8a2d8beef115cd05689a558180b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a67434b80bb59c06fb04bae9e3e1653d3450c8a2d8beef115cd05689a558180b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a67434b80bb59c06fb04bae9e3e1653d3450c8a2d8beef115cd05689a558180b", kill_on_drop: false }`
[INFO] [stdout] a67434b80bb59c06fb04bae9e3e1653d3450c8a2d8beef115cd05689a558180b
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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] 172ff1337d3a5283e6f66c1a28876a56131cd2a8721014126b4bd5f5f8022b6e
[INFO] running `Command { std: "docker" "start" "-a" "172ff1337d3a5283e6f66c1a28876a56131cd2a8721014126b4bd5f5f8022b6e", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling smallvec v0.6.13
[INFO] [stderr]    Compiling owning_ref v0.4.1
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling lock_api v0.1.5
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling workerpool v1.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/lib.rs:1023:33
[INFO] [stdout]      |
[INFO] [stdout] 1023 |     pub struct Thunk<'a, T>(Box<FnBox<Out = T> + Send + 'a>);
[INFO] [stdout]      |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox<Out = T> + Send + 'a`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.60s
[INFO] running `Command { std: "docker" "inspect" "172ff1337d3a5283e6f66c1a28876a56131cd2a8721014126b4bd5f5f8022b6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "172ff1337d3a5283e6f66c1a28876a56131cd2a8721014126b4bd5f5f8022b6e", kill_on_drop: false }`
[INFO] [stdout] 172ff1337d3a5283e6f66c1a28876a56131cd2a8721014126b4bd5f5f8022b6e
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e4c07ce1f018e0152511f793dd96ade032b8f6136104f8ccec81d9f619f0c93
[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" "5e4c07ce1f018e0152511f793dd96ade032b8f6136104f8ccec81d9f619f0c93", kill_on_drop: false }`
[INFO] [stderr]    Compiling workerpool v1.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/lib.rs:1023:33
[INFO] [stdout]      |
[INFO] [stdout] 1023 |     pub struct Thunk<'a, T>(Box<FnBox<Out = T> + Send + 'a>);
[INFO] [stdout]      |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox<Out = T> + Send + 'a`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/lib.rs:1023:33
[INFO] [stdout]      |
[INFO] [stdout] 1023 |     pub struct Thunk<'a, T>(Box<FnBox<Out = T> + Send + 'a>);
[INFO] [stdout]      |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox<Out = T> + Send + 'a`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stdout]     --> src/lib.rs:1205:17
[INFO] [stdout]      |
[INFO] [stdout] 1205 |                 tx.send(1).is_ok();
[INFO] [stdout]      |                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]      = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.02s
[INFO] running `Command { std: "docker" "inspect" "5e4c07ce1f018e0152511f793dd96ade032b8f6136104f8ccec81d9f619f0c93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e4c07ce1f018e0152511f793dd96ade032b8f6136104f8ccec81d9f619f0c93", kill_on_drop: false }`
[INFO] [stdout] 5e4c07ce1f018e0152511f793dd96ade032b8f6136104f8ccec81d9f619f0c93
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f33a916cba5c8f8253291e5e8a2f5dda325cc30d060b32d74c77fa2e43779c3e
[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" "f33a916cba5c8f8253291e5e8a2f5dda325cc30d060b32d74c77fa2e43779c3e", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1023:33
[INFO] [stderr]      |
[INFO] [stderr] 1023 |     pub struct Thunk<'a, T>(Box<FnBox<Out = T> + Send + 'a>);
[INFO] [stderr]      |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox<Out = T> + Send + 'a`
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1023:33
[INFO] [stderr]      |
[INFO] [stderr] 1023 |     pub struct Thunk<'a, T>(Box<FnBox<Out = T> + Send + 'a>);
[INFO] [stderr]      |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox<Out = T> + Send + 'a`
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]     --> src/lib.rs:1205:17
[INFO] [stderr]      |
[INFO] [stderr] 1205 |                 tx.send(1).is_ok();
[INFO] [stderr]      |                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]      = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/workerpool-7b1ec4f611ab587e
[INFO] [stdout] 
[INFO] [stdout] running 21 tests
[INFO] [stdout] test test::test_send_shared_data ... ok
[INFO] [stdout] test test::test_cloned_eq ... ok
[INFO] [stdout] test test::test_empty_pool ... ok
[INFO] [stdout] test test::test_send ... ok
[INFO] [stderr] thread '<unnamed>' panicked at 'intentional panic', src/lib.rs:1145:39
[INFO] [stderr] stack backtrace:
[INFO] [stdout] test test::test_multi_join ... ok
[INFO] [stderr] thread 'test' panicked at 'explicit panic', src/lib.rs:1283:13
[INFO] [stdout] test test::test_name ... ok
[INFO] [stderr] thread '<unnamed>' panicked at 'intentional panic', src/lib.rs:1173:17
[INFO] [stdout] test test::test_should_not_panic_on_drop_if_subtasks_panic_after_drop ... ok
[INFO] [stderr] thread '<unnamed>' panicked at 'intentional panic', src/lib.rs:1173:17
[INFO] [stderr] thread '<unnamed>' panicked at 'intentional panic', src/lib.rs:1173:17
[INFO] [stderr] thread '<unnamed>' panicked at 'intentional panic', src/lib.rs:1173:17
[INFO] [stdout] test test::test_sync_shared_data ... ok
[INFO] [stderr] thread '<unnamed>' panicked at 'intentional panic', src/lib.rs:1145:39
[INFO] [stderr] thread '<unnamed>' panicked at 'intentional panic', src/lib.rs:1145:39
[INFO] [stderr] thread '<unnamed>' panicked at 'intentional panic', src/lib.rs:1145:39
[INFO] [stdout] test test::test_shrink ... ok
[INFO] [stdout] test test::test_works ... ok
[INFO] [stderr]    0:     0x55da5373c7f5 - backtrace::backtrace::libunwind::trace::hea89dfbbfe67f40d
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stderr]    1:     0x55da5373c7f5 - backtrace::backtrace::trace_unsynchronized::h0513dd713d7644d4
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55da5373c7f5 - std::sys_common::backtrace::_print_fmt::h040abae64e4a24a9
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]    3:     0x55da5373c7f5 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hb4bdb37c3c335733
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]    4:     0x55da5376462c - core::fmt::write::h540ac4a6a1232abc
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1076
[INFO] [stderr]    5:     0x55da53738a92 - std::io::Write::write_fmt::h5ffa1b5a7703af47
[INFO] [stderr]                                at src/libstd/io/mod.rs:1539
[INFO] [stderr]    6:     0x55da5373ef50 - std::sys_common::backtrace::_print::hb55cc635eaf1882e
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]    7:     0x55da5373ef50 - std::sys_common::backtrace::print::h2b2218fa55714084
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8:     0x55da5373ef50 - std::panicking::default_hook::{{closure}}::h578517c025765cf3
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    9:     0x55da5373ec9c - std::panicking::default_hook::h4cafc94c2fc640fb
[INFO] [stderr]                                at src/libstd/panicking.rs:217
[INFO] [stderr]   10:     0x55da5373f593 - std::panicking::rust_panic_with_hook::h3eeb5001beeca5c3
[INFO] [stderr]                                at src/libstd/panicking.rs:526
[INFO] [stderr]   11:     0x55da5371fae9 - std::panicking::begin_panic::h3742d622d4e6de1c
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panicking.rs:456
[INFO] [stderr]   12:     0x55da53684e2d - workerpool::test::test_recovery_from_subtask_panic::{{closure}}::h85cfff99f4ecc4e5
[INFO] [stderr]                                at src/lib.rs:1145
[INFO] [stderr]   13:     0x55da5368288d - <F as workerpool::thunk::FnBox>::call_box::h4370d46774f9549d
[INFO] [stderr]                                at src/lib.rs:992
[INFO] [stderr]   14:     0x55da536a7c38 - <workerpool::thunk::ThunkWorker<T> as workerpool::Worker>::execute::h83e483341ed2f3dc
[INFO] [stderr]                                at src/lib.rs:1048
[INFO] [stderr]   15:     0x55da536a5a30 - workerpool::spawn_in_pool::{{closure}}::h101fc00a0269b478
[INFO] [stderr]                                at src/lib.rs:207
[INFO] [stderr]   16:     0x55da536ae30a - std::sys_common::backtrace::__rust_begin_short_backtrace::he0d7cba0248b64cb
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/sys_common/backtrace.rs:130
[INFO] [stderr]   17:     0x55da53670f5a - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h54cbaf263b0accea
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/thread/mod.rs:475
[INFO] [stderr]   18:     0x55da5365ddfe - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hd943f300607605c8
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panic.rs:318
[INFO] [stderr]   19:     0x55da536717ac - std::panicking::try::do_call::h1feeefc2d637fe83
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panicking.rs:348
[INFO] [stderr]   20:     0x55da5367a37d - __rust_try
[INFO] [stderr]   21:     0x55da53671297 - std::panicking::try::h3c354b8d7f9834e6
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panicking.rs:325
[INFO] [stderr]   22:     0x55da5365df7e - std::panic::catch_unwind::hfd04c600bd70c6a5
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panic.rs:394
[INFO] [stderr]   23:     0x55da53670a4e - std::thread::Builder::spawn_unchecked::{{closure}}::hc188260cccd8aac6
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/thread/mod.rs:474
[INFO] [stderr]   24:     0x55da53671cae - core::ops::function::FnOnce::call_once{{vtable.shim}}::h34dbee8199690863
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libcore/ops/function.rs:233
[INFO] [stderr]   25:     0x55da5374584a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hc0e15d78a519721e
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/liballoc/boxed.rs:1081
[INFO] [stderr]   26:     0x55da5374584a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h211da8fffb09f192
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/liballoc/boxed.rs:1081
[INFO] [stderr]   27:     0x55da5374584a - std::sys::unix::thread::Thread::new::thread_start::h29594ddebf23e421
[INFO] [stderr]                                at src/libstd/sys/unix/thread.rs:87
[INFO] [stderr]   28:     0x7f3dc401b609 - start_thread
[INFO] [stderr]   29:     0x7f3dc3f27103 - __clone
[INFO] [stderr]   30:                0x0 - <unknown>
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55da5373c7f5 - backtrace::backtrace::libunwind::trace::hea89dfbbfe67f40d
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stderr]    1:     0x55da5373c7f5 - backtrace::backtrace::trace_unsynchronized::h0513dd713d7644d4
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55da5373c7f5 - std::sys_common::backtrace::_print_fmt::h040abae64e4a24a9
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]    3:     0x55da5373c7f5 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hb4bdb37c3c335733
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]    4:     0x55da5376462c - core::fmt::write::h540ac4a6a1232abc
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1076
[INFO] [stderr]    5:     0x55da53738a92 - std::io::Write::write_fmt::h5ffa1b5a7703af47
[INFO] [stderr]                                at src/libstd/io/mod.rs:1539
[INFO] [stderr]    6:     0x55da5373ef50 - std::sys_common::backtrace::_print::hb55cc635eaf1882e
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]    7:     0x55da5373ef50 - std::sys_common::backtrace::print::h2b2218fa55714084
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8:     0x55da5373ef50 - std::panicking::default_hook::{{closure}}::h578517c025765cf3
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    9:     0x55da5373ec9c - std::panicking::default_hook::h4cafc94c2fc640fb
[INFO] [stderr]                                at src/libstd/panicking.rs:217
[INFO] [stderr]   10:     0x55da5373f593 - std::panicking::rust_panic_with_hook::h3eeb5001beeca5c3
[INFO] [stderr]                                at src/libstd/panicking.rs:526
[INFO] [stderr]   11:     0x55da5371fae9 - std::panicking::begin_panic::h3742d622d4e6de1c
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panicking.rs:456
[INFO] [stderr]   12:     0x55da5368753f - workerpool::test::test_name::{{closure}}::h469ed89a92146590
[INFO] [stderr]                                at src/lib.rs:1283
[INFO] [stderr]   13:     0x55da53682784 - <F as workerpool::thunk::FnBox>::call_box::h351d181e95d325f5
[INFO] [stderr]                                at src/lib.rs:992
[INFO] [stderr]   14:     0x55da536a7c38 - <workerpool::thunk::ThunkWorker<T> as workerpool::Worker>::execute::h83e483341ed2f3dc
[INFO] [stderr]                                at src/lib.rs:1048
[INFO] [stderr]   15:     0x55da536a5a30 - workerpool::spawn_in_pool::{{closure}}::h101fc00a0269b478
[INFO] [stderr]                                at src/lib.rs:207
[INFO] [stderr]   16:     0x55da536ae30a - std::sys_common::backtrace::__rust_begin_short_backtrace::he0d7cba0248b64cb
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/sys_common/backtrace.rs:130
[INFO] [stderr]   17:     0x55da53670f5a - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h54cbaf263b0accea
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/thread/mod.rs:475
[INFO] [stderr]   18:     0x55da5365ddfe - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hd943f300607605c8
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panic.rs:318
[INFO] [stderr]   19:     0x55da536717ac - std::panicking::try::do_call::h1feeefc2d637fe83
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panicking.rs:348
[INFO] [stderr]   20:     0x55da5367a37d - __rust_try
[INFO] [stderr]   21:     0x55da53671297 - std::panicking::try::h3c354b8d7f9834e6
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panicking.rs:325
[INFO] [stderr]   22:     0x55da5365df7e - std::panic::catch_unwind::hfd04c600bd70c6a5
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panic.rs:394
[INFO] [stderr]   23:     0x55da53670a4e - std::thread::Builder::spawn_unchecked::{{closure}}::hc188260cccd8aac6
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/thread/mod.rs:474
[INFO] [stderr]   24:     0x55da53671cae - core::ops::function::FnOnce::call_once{{vtable.shim}}::h34dbee8199690863
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libcore/ops/function.rs:233
[INFO] [stderr]   25:     0x55da5374584a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hc0e15d78a519721e
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/liballoc/boxed.rs:1081
[INFO] [stderr]   26:     0x55da5374584a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h211da8fffb09f192
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/liballoc/boxed.rs:1081
[INFO] [stderr]   27:     0x55da5374584a - std::sys::unix::thread::Thread::new::thread_start::h29594ddebf23e421
[INFO] [stderr]                                at src/libstd/sys/unix/thread.rs:87
[INFO] [stderr]   28:     0x7f3dc401b609 - start_thread
[INFO] [stderr]   29:     0x7f3dc3f27103 - __clone
[INFO] [stderr]   30:                0x0 - <unknown>
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55da5373c7f5 - backtrace::backtrace::libunwind::trace::hea89dfbbfe67f40d
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stderr]    1:     0x55da5373c7f5 - backtrace::backtrace::trace_unsynchronized::h0513dd713d7644d4
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55da5373c7f5 - std::sys_common::backtrace::_print_fmt::h040abae64e4a24a9
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]    3:     0x55da5373c7f5 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hb4bdb37c3c335733
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]    4:     0x55da5376462c - core::fmt::write::h540ac4a6a1232abc
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1076
[INFO] [stderr]    5:     0x55da53738a92 - std::io::Write::write_fmt::h5ffa1b5a7703af47
[INFO] [stderr]                                at src/libstd/io/mod.rs:1539
[INFO] [stderr]    6:     0x55da5373ef50 - std::sys_common::backtrace::_print::hb55cc635eaf1882e
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]    7:     0x55da5373ef50 - std::sys_common::backtrace::print::h2b2218fa55714084
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8:     0x55da5373ef50 - std::panicking::default_hook::{{closure}}::h578517c025765cf3
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    9:     0x55da5373ec9c - std::panicking::default_hook::h4cafc94c2fc640fb
[INFO] [stderr]                                at src/libstd/panicking.rs:217
[INFO] [stderr]   10:     0x55da5373f593 - std::panicking::rust_panic_with_hook::h3eeb5001beeca5c3
[INFO] [stderr]                                at src/libstd/panicking.rs:526
[INFO] [stderr]   11:     0x55da5371fae9 - std::panicking::begin_panic::h3742d622d4e6de1c
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panicking.rs:456
[INFO] [stderr]   12:     0x55da536851be - workerpool::test::test_should_not_panic_on_drop_if_subtasks_panic_after_drop::{{closure}}::hb49fac8ccc850a5e
[INFO] [stderr]                                at src/lib.rs:1173
[INFO] [stderr]   13:     0x55da53682694 - <F as workerpool::thunk::FnBox>::call_box::h1eb9fc66c1cdd062
[INFO] [stderr]                                at src/lib.rs:992
[INFO] [stderr]   14:     0x55da536a7c38 - <workerpool::thunk::ThunkWorker<T> as workerpool::Worker>::execute::h83e483341ed2f3dc
[INFO] [stderr]                                at src/lib.rs:1048
[INFO] [stderr]   15:     0x55da536a5a30 - workerpool::spawn_in_pool::{{closure}}::h101fc00a0269b478
[INFO] [stderr]                                at src/lib.rs:207
[INFO] [stderr]   16:     0x55da536ae30a - std::sys_common::backtrace::__rust_begin_short_backtrace::he0d7cba0248b64cb
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/sys_common/backtrace.rs:130
[INFO] [stderr]   17:     0x55da53670f5a - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h54cbaf263b0accea
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/thread/mod.rs:475
[INFO] [stderr]   18:     0x55da5365ddfe - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hd943f300607605c8
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panic.rs:318
[INFO] [stderr]   19:     0x55da536717ac - std::panicking::try::do_call::h1feeefc2d637fe83
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panicking.rs:348
[INFO] [stderr]   20:     0x55da5367a37d - __rust_try
[INFO] [stderr]   21:     0x55da53671297 - std::panicking::try::h3c354b8d7f9834e6
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panicking.rs:325
[INFO] [stderr]   22:     0x55da5365df7e - std::panic::catch_unwind::hfd04c600bd70c6a5
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panic.rs:394
[INFO] [stderr]   23:     0x55da53670a4e - std::thread::Builder::spawn_unchecked::{{closure}}::hc188260cccd8aac6
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/thread/mod.rs:474
[INFO] [stderr]   24:     0x55da53671cae - core::ops::function::FnOnce::call_once{{vtable.shim}}::h34dbee8199690863
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libcore/ops/function.rs:233
[INFO] [stderr]   25:     0x55da5374584a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hc0e15d78a519721e
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/liballoc/boxed.rs:1081
[INFO] [stderr]   26:     0x55da5374584a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h211da8fffb09f192
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/liballoc/boxed.rs:1081
[INFO] [stderr]   27:     0x55da5374584a - std::sys::unix::thread::Thread::new::thread_start::h29594ddebf23e421
[INFO] [stderr]                                at src/libstd/sys/unix/thread.rs:87
[INFO] [stderr]   28:     0x7f3dc401b609 - start_thread
[INFO] [stderr]   29:     0x7f3dc3f27103 - __clone
[INFO] [stderr]   30:                0x0 - <unknown>
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55da5373c7f5 - backtrace::backtrace::libunwind::trace::hea89dfbbfe67f40d
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stderr]    1:     0x55da5373c7f5 - backtrace::backtrace::trace_unsynchronized::h0513dd713d7644d4
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55da5373c7f5 - std::sys_common::backtrace::_print_fmt::h040abae64e4a24a9
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]    3:     0x55da5373c7f5 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hb4bdb37c3c335733
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]    4:     0x55da5376462c - core::fmt::write::h540ac4a6a1232abc
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1076
[INFO] [stderr]    5:     0x55da53738a92 - std::io::Write::write_fmt::h5ffa1b5a7703af47
[INFO] [stderr]                                at src/libstd/io/mod.rs:1539
[INFO] [stderr]    6:     0x55da5373ef50 - std::sys_common::backtrace::_print::hb55cc635eaf1882e
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]    7:     0x55da5373ef50 - std::sys_common::backtrace::print::h2b2218fa55714084
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8:     0x55da5373ef50 - std::panicking::default_hook::{{closure}}::h578517c025765cf3
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    9:     0x55da5373ec9c - std::panicking::default_hook::h4cafc94c2fc640fb
[INFO] [stderr]                                at src/libstd/panicking.rs:217
[INFO] [stderr]   10:     0x55da5373f593 - std::panicking::rust_panic_with_hook::h3eeb5001beeca5c3
[INFO] [stderr]                                at src/libstd/panicking.rs:526
[INFO] [stderr]   11:     0x55da5371fae9 - std::panicking::begin_panic::h3742d622d4e6de1c
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panicking.rs:456
[INFO] [stderr]   12:     0x55da536851be - workerpool::test::test_should_not_panic_on_drop_if_subtasks_panic_after_drop::{{closure}}::hb49fac8ccc850a5e
[INFO] [stderr]                                at src/lib.rs:1173
[INFO] [stderr]   13:     0x55da53682694 - <F as workerpool::thunk::FnBox>::call_box::h1eb9fc66c1cdd062
[INFO] [stderr]                                at src/lib.rs:992
[INFO] [stderr]   14:     0x55da536a7c38 - <workerpool::thunk::ThunkWorker<T> as workerpool::Worker>::execute::h83e483341ed2f3dc
[INFO] [stderr]                                at src/lib.rs:1048
[INFO] [stderr]   15:     0x55da536a5a30 - workerpool::spawn_in_pool::{{closure}}::h101fc00a0269b478
[INFO] [stderr]                                at src/lib.rs:207
[INFO] [stderr]   16:     0x55da536ae30a - std::sys_common::backtrace::__rust_begin_short_backtrace::he0d7cba0248b64cb
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/sys_common/backtrace.rs:130
[INFO] [stderr]   17:     0x55da53670f5a - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h54cbaf263b0accea
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/thread/mod.rs:475
[INFO] [stderr]   18:     0x55da5365ddfe - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hd943f300607605c8
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panic.rs:318
[INFO] [stderr]   19:     0x55da536717ac - std::panicking::try::do_call::h1feeefc2d637fe83
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panicking.rs:348
[INFO] [stderr]   20:     0x55da5367a37d - __rust_try
[INFO] [stderr]   21:     0x55da53671297 - std::panicking::try::h3c354b8d7f9834e6
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panicking.rs:325
[INFO] [stderr]   22:     0x55da5365df7e - std::panic::catch_unwind::hfd04c600bd70c6a5
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panic.rs:394
[INFO] [stderr]   23:     0x55da53670a4e - std::thread::Builder::spawn_unchecked::{{closure}}::hc188260cccd8aac6
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/thread/mod.rs:474
[INFO] [stderr]   24:     0x55da53671cae - core::ops::function::FnOnce::call_once{{vtable.shim}}::h34dbee8199690863
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libcore/ops/function.rs:233
[INFO] [stderr]   25:     0x55da5374584a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hc0e15d78a519721e
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/liballoc/boxed.rs:1081
[INFO] [stderr]   26:     0x55da5374584a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h211da8fffb09f192
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/liballoc/boxed.rs:1081
[INFO] [stderr]   27:     0x55da5374584a - std::sys::unix::thread::Thread::new::thread_start::h29594ddebf23e421
[INFO] [stderr]                                at src/libstd/sys/unix/thread.rs:87
[INFO] [stderr]   28:     0x7f3dc401b609 - start_thread
[INFO] [stderr]   29:     0x7f3dc3f27103 - __clone
[INFO] [stderr]   30:                0x0 - <unknown>
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55da5373c7f5 - backtrace::backtrace::libunwind::trace::hea89dfbbfe67f40d
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stderr]    1:     0x55da5373c7f5 - backtrace::backtrace::trace_unsynchronized::h0513dd713d7644d4
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55da5373c7f5 - std::sys_common::backtrace::_print_fmt::h040abae64e4a24a9
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]    3:     0x55da5373c7f5 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hb4bdb37c3c335733
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]    4:     0x55da5376462c - core::fmt::write::h540ac4a6a1232abc
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1076
[INFO] [stderr]    5:     0x55da53738a92 - std::io::Write::write_fmt::h5ffa1b5a7703af47
[INFO] [stderr]                                at src/libstd/io/mod.rs:1539
[INFO] [stderr]    6:     0x55da5373ef50 - std::sys_common::backtrace::_print::hb55cc635eaf1882e
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]    7:     0x55da5373ef50 - std::sys_common::backtrace::print::h2b2218fa55714084
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8:     0x55da5373ef50 - std::panicking::default_hook::{{closure}}::h578517c025765cf3
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    9:     0x55da5373ec9c - std::panicking::default_hook::h4cafc94c2fc640fb
[INFO] [stderr]                                at src/libstd/panicking.rs:217
[INFO] [stderr]   10:     0x55da5373f593 - std::panicking::rust_panic_with_hook::h3eeb5001beeca5c3
[INFO] [stderr]                                at src/libstd/panicking.rs:526
[INFO] [stderr]   11:     0x55da5371fae9 - std::panicking::begin_panic::h3742d622d4e6de1c
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panicking.rs:456
[INFO] [stderr]   12:     0x55da536851be - workerpool::test::test_should_not_panic_on_drop_if_subtasks_panic_after_drop::{{closure}}::hb49fac8ccc850a5e
[INFO] [stderr]                                at src/lib.rs:1173
[INFO] [stderr]   13:     0x55da53682694 - <F as workerpool::thunk::FnBox>::call_box::h1eb9fc66c1cdd062
[INFO] [stderr]                                at src/lib.rs:992
[INFO] [stderr]   14:     0x55da536a7c38 - <workerpool::thunk::ThunkWorker<T> as workerpool::Worker>::execute::h83e483341ed2f3dc
[INFO] [stderr]                                at src/lib.rs:1048
[INFO] [stderr]   15:     0x55da536a5a30 - workerpool::spawn_in_pool::{{closure}}::h101fc00a0269b478
[INFO] [stderr]                                at src/lib.rs:207
[INFO] [stderr]   16:     0x55da536ae30a - std::sys_common::backtrace::__rust_begin_short_backtrace::he0d7cba0248b64cb
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/sys_common/backtrace.rs:130
[INFO] [stderr]   17:     0x55da53670f5a - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h54cbaf263b0accea
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/thread/mod.rs:475
[INFO] [stderr]   18:     0x55da5365ddfe - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hd943f300607605c8
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panic.rs:318
[INFO] [stderr]   19:     0x55da536717ac - std::panicking::try::do_call::h1feeefc2d637fe83
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panicking.rs:348
[INFO] [stderr]   20:     0x55da5367a37d - __rust_try
[INFO] [stderr]   21:     0x55da53671297 - std::panicking::try::h3c354b8d7f9834e6
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panicking.rs:325
[INFO] [stderr]   22:     0x55da5365df7e - std::panic::catch_unwind::hfd04c600bd70c6a5
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panic.rs:394
[INFO] [stderr]   23:     0x55da53670a4e - std::thread::Builder::spawn_unchecked::{{closure}}::hc188260cccd8aac6
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/thread/mod.rs:474
[INFO] [stderr]   24:     0x55da53671cae - core::ops::function::FnOnce::call_once{{vtable.shim}}::h34dbee8199690863
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libcore/ops/function.rs:233
[INFO] [stderr]   25:     0x55da5374584a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hc0e15d78a519721e
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/liballoc/boxed.rs:1081
[INFO] [stderr]   26:     0x55da5374584a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h211da8fffb09f192
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/liballoc/boxed.rs:1081
[INFO] [stderr]   27:     0x55da5374584a - std::sys::unix::thread::Thread::new::thread_start::h29594ddebf23e421
[INFO] [stderr]                                at src/libstd/sys/unix/thread.rs:87
[INFO] [stderr]   28:     0x7f3dc401b609 - start_thread
[INFO] [stderr]   29:     0x7f3dc3f27103 - __clone
[INFO] [stderr]   30:                0x0 - <unknown>
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55da5373c7f5 - backtrace::backtrace::libunwind::trace::hea89dfbbfe67f40d
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stderr]    1:     0x55da5373c7f5 - backtrace::backtrace::trace_unsynchronized::h0513dd713d7644d4
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55da5373c7f5 - std::sys_common::backtrace::_print_fmt::h040abae64e4a24a9
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]    3:     0x55da5373c7f5 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hb4bdb37c3c335733
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]    4:     0x55da5376462c - core::fmt::write::h540ac4a6a1232abc
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1076
[INFO] [stderr]    5:     0x55da53738a92 - std::io::Write::write_fmt::h5ffa1b5a7703af47
[INFO] [stderr]                                at src/libstd/io/mod.rs:1539
[INFO] [stderr]    6:     0x55da5373ef50 - std::sys_common::backtrace::_print::hb55cc635eaf1882e
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]    7:     0x55da5373ef50 - std::sys_common::backtrace::print::h2b2218fa55714084
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8:     0x55da5373ef50 - std::panicking::default_hook::{{closure}}::h578517c025765cf3
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    9:     0x55da5373ec9c - std::panicking::default_hook::h4cafc94c2fc640fb
[INFO] [stderr]                                at src/libstd/panicking.rs:217
[INFO] [stderr]   10:     0x55da5373f593 - std::panicking::rust_panic_with_hook::h3eeb5001beeca5c3
[INFO] [stderr]                                at src/libstd/panicking.rs:526
[INFO] [stderr]   11:     0x55da5371fae9 - std::panicking::begin_panic::h3742d622d4e6de1c
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panicking.rs:456
[INFO] [stderr]   12:     0x55da536851be - workerpool::test::test_should_not_panic_on_drop_if_subtasks_panic_after_drop::{{closure}}::hb49fac8ccc850a5e
[INFO] [stderr]                                at src/lib.rs:1173
[INFO] [stderr]   13:     0x55da53682694 - <F as workerpool::thunk::FnBox>::call_box::h1eb9fc66c1cdd062
[INFO] [stderr]                                at src/lib.rs:992
[INFO] [stderr]   14:     0x55da536a7c38 - <workerpool::thunk::ThunkWorker<T> as workerpool::Worker>::execute::h83e483341ed2f3dc
[INFO] [stderr]                                at src/lib.rs:1048
[INFO] [stderr]   15:     0x55da536a5a30 - workerpool::spawn_in_pool::{{closure}}::h101fc00a0269b478
[INFO] [stderr]                                at src/lib.rs:207
[INFO] [stderr]   16:     0x55da536ae30a - std::sys_common::backtrace::__rust_begin_short_backtrace::he0d7cba0248b64cb
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/sys_common/backtrace.rs:130
[INFO] [stderr]   17:     0x55da53670f5a - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h54cbaf263b0accea
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/thread/mod.rs:475
[INFO] [stderr]   18:     0x55da5365ddfe - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hd943f300607605c8
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panic.rs:318
[INFO] [stderr]   19:     0x55da536717ac - std::panicking::try::do_call::h1feeefc2d637fe83
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panicking.rs:348
[INFO] [stderr]   20:     0x55da5367a37d - __rust_try
[INFO] [stderr]   21:     0x55da53671297 - std::panicking::try::h3c354b8d7f9834e6
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panicking.rs:325
[INFO] [stderr]   22:     0x55da5365df7e - std::panic::catch_unwind::hfd04c600bd70c6a5
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panic.rs:394
[INFO] [stderr]   23:     0x55da53670a4e - std::thread::Builder::spawn_unchecked::{{closure}}::hc188260cccd8aac6
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/thread/mod.rs:474
[INFO] [stderr]   24:     0x55da53671cae - core::ops::function::FnOnce::call_once{{vtable.shim}}::h34dbee8199690863
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libcore/ops/function.rs:233
[INFO] [stderr]   25:     0x55da5374584a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hc0e15d78a519721e
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/liballoc/boxed.rs:1081
[INFO] [stderr]   26:     0x55da5374584a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h211da8fffb09f192
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/liballoc/boxed.rs:1081
[INFO] [stderr]   27:     0x55da5374584a - std::sys::unix::thread::Thread::new::thread_start::h29594ddebf23e421
[INFO] [stderr]                                at src/libstd/sys/unix/thread.rs:87
[INFO] [stderr]   28:     0x7f3dc401b609 - start_thread
[INFO] [stderr]   29:     0x7f3dc3f27103 - __clone
[INFO] [stderr]   30:                0x0 - <unknown>
[INFO] [stdout] test test::test_zero_tasks_panic ... ok
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55da5373c7f5 - backtrace::backtrace::libunwind::trace::hea89dfbbfe67f40d
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stderr]    1:     0x55da5373c7f5 - backtrace::backtrace::trace_unsynchronized::h0513dd713d7644d4
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55da5373c7f5 - std::sys_common::backtrace::_print_fmt::h040abae64e4a24a9
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]    3:     0x55da5373c7f5 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hb4bdb37c3c335733
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]    4:     0x55da5376462c - core::fmt::write::h540ac4a6a1232abc
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1076
[INFO] [stderr]    5:     0x55da53738a92 - std::io::Write::write_fmt::h5ffa1b5a7703af47
[INFO] [stderr]                                at src/libstd/io/mod.rs:1539
[INFO] [stderr]    6:     0x55da5373ef50 - std::sys_common::backtrace::_print::hb55cc635eaf1882e
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]    7:     0x55da5373ef50 - std::sys_common::backtrace::print::h2b2218fa55714084
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8:     0x55da5373ef50 - std::panicking::default_hook::{{closure}}::h578517c025765cf3
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    9:     0x55da5373ec9c - std::panicking::default_hook::h4cafc94c2fc640fb
[INFO] [stderr]                                at src/libstd/panicking.rs:217
[INFO] [stderr]   10:     0x55da5373f593 - std::panicking::rust_panic_with_hook::h3eeb5001beeca5c3
[INFO] [stderr]                                at src/libstd/panicking.rs:526
[INFO] [stderr]   11:     0x55da5371fae9 - std::panicking::begin_panic::h3742d622d4e6de1c
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panicking.rs:456
[INFO] [stderr]   12:     0x55da53684e2d - workerpool::test::test_recovery_from_subtask_panic::{{closure}}::h85cfff99f4ecc4e5
[INFO] [stderr]                                at src/lib.rs:1145
[INFO] [stderr]   13:     0x55da5368288d - <F as workerpool::thunk::FnBox>::call_box::h4370d46774f9549d
[INFO] [stderr]                                at src/lib.rs:992
[INFO] [stderr]   14:     0x55da536a7c38 - <workerpool::thunk::ThunkWorker<T> as workerpool::Worker>::execute::h83e483341ed2f3dc
[INFO] [stderr]                                at src/lib.rs:1048
[INFO] [stderr]   15:     0x55da536a5a30 - workerpool::spawn_in_pool::{{closure}}::h101fc00a0269b478
[INFO] [stderr]                                at src/lib.rs:207
[INFO] [stderr]   16:     0x55da536ae30a - std::sys_common::backtrace::__rust_begin_short_backtrace::he0d7cba0248b64cb
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/sys_common/backtrace.rs:130
[INFO] [stderr]   17:     0x55da53670f5a - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h54cbaf263b0accea
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/thread/mod.rs:475
[INFO] [stderr]   18:     0x55da5365ddfe - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hd943f300607605c8
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panic.rs:318
[INFO] [stderr]   19:     0x55da536717ac - std::panicking::try::do_call::h1feeefc2d637fe83
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panicking.rs:348
[INFO] [stderr]   20:     0x55da5367a37d - __rust_try
[INFO] [stderr]   21:     0x55da53671297 - std::panicking::try::h3c354b8d7f9834e6
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panicking.rs:325
[INFO] [stderr]   22:     0x55da5365df7e - std::panic::catch_unwind::hfd04c600bd70c6a5
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panic.rs:394
[INFO] [stderr]   23:     0x55da53670a4e - std::thread::Builder::spawn_unchecked::{{closure}}::hc188260cccd8aac6
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/thread/mod.rs:474
[INFO] [stderr]   24:     0x55da53671cae - core::ops::function::FnOnce::call_once{{vtable.shim}}::h34dbee8199690863
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libcore/ops/function.rs:233
[INFO] [stderr]   25:     0x55da5374584a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hc0e15d78a519721e
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/liballoc/boxed.rs:1081
[INFO] [stderr]   26:     0x55da5374584a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h211da8fffb09f192
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/liballoc/boxed.rs:1081
[INFO] [stderr]   27:     0x55da5374584a - std::sys::unix::thread::Thread::new::thread_start::h29594ddebf23e421
[INFO] [stderr]                                at src/libstd/sys/unix/thread.rs:87
[INFO] [stderr]   28:     0x7f3dc401b609 - start_thread
[INFO] [stderr]   29:     0x7f3dc3f27103 - __clone
[INFO] [stderr]   30:                0x0 - <unknown>
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55da5373c7f5 - backtrace::backtrace::libunwind::trace::hea89dfbbfe67f40d
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stderr]    1:     0x55da5373c7f5 - backtrace::backtrace::trace_unsynchronized::h0513dd713d7644d4
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55da5373c7f5 - std::sys_common::backtrace::_print_fmt::h040abae64e4a24a9
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]    3:     0x55da5373c7f5 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hb4bdb37c3c335733
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]    4:     0x55da5376462c - core::fmt::write::h540ac4a6a1232abc
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1076
[INFO] [stderr]    5:     0x55da53738a92 - std::io::Write::write_fmt::h5ffa1b5a7703af47
[INFO] [stderr]                                at src/libstd/io/mod.rs:1539
[INFO] [stderr]    6:     0x55da5373ef50 - std::sys_common::backtrace::_print::hb55cc635eaf1882e
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]    7:     0x55da5373ef50 - std::sys_common::backtrace::print::h2b2218fa55714084
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8:     0x55da5373ef50 - std::panicking::default_hook::{{closure}}::h578517c025765cf3
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    9:     0x55da5373ec9c - std::panicking::default_hook::h4cafc94c2fc640fb
[INFO] [stderr]                                at src/libstd/panicking.rs:217
[INFO] [stderr]   10:     0x55da5373f593 - std::panicking::rust_panic_with_hook::h3eeb5001beeca5c3
[INFO] [stderr]                                at src/libstd/panicking.rs:526
[INFO] [stderr]   11:     0x55da5371fae9 - std::panicking::begin_panic::h3742d622d4e6de1c
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panicking.rs:456
[INFO] [stderr]   12:     0x55da53684e2d - workerpool::test::test_recovery_from_subtask_panic::{{closure}}::h85cfff99f4ecc4e5
[INFO] [stderr]                                at src/lib.rs:1145
[INFO] [stderr]   13:     0x55da5368288d - <F as workerpool::thunk::FnBox>::call_box::h4370d46774f9549d
[INFO] [stderr]                                at src/lib.rs:992
[INFO] [stderr]   14:     0x55da536a7c38 - <workerpool::thunk::ThunkWorker<T> as workerpool::Worker>::execute::h83e483341ed2f3dc
[INFO] [stderr]                                at src/lib.rs:1048
[INFO] [stderr]   15:     0x55da536a5a30 - workerpool::spawn_in_pool::{{closure}}::h101fc00a0269b478
[INFO] [stderr]                                at src/lib.rs:207
[INFO] [stderr]   16:     0x55da536ae30a - std::sys_common::backtrace::__rust_begin_short_backtrace::he0d7cba0248b64cb
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/sys_common/backtrace.rs:130
[INFO] [stderr]   17:     0x55da53670f5a - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h54cbaf263b0accea
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/thread/mod.rs:475
[INFO] [stderr]   18:     0x55da5365ddfe - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hd943f300607605c8
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panic.rs:318
[INFO] [stderr]   19:     0x55da536717ac - std::panicking::try::do_call::h1feeefc2d637fe83
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panicking.rs:348
[INFO] [stderr]   20:     0x55da5367a37d - __rust_try
[INFO] [stderr]   21:     0x55da53671297 - std::panicking::try::h3c354b8d7f9834e6
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panicking.rs:325
[INFO] [stderr]   22:     0x55da5365df7e - std::panic::catch_unwind::hfd04c600bd70c6a5
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panic.rs:394
[INFO] [stderr]   23:     0x55da53670a4e - std::thread::Builder::spawn_unchecked::{{closure}}::hc188260cccd8aac6
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/thread/mod.rs:474
[INFO] [stderr]   24:     0x55da53671cae - core::ops::function::FnOnce::call_once{{vtable.shim}}::h34dbee8199690863
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libcore/ops/function.rs:233
[INFO] [stderr]   25:     0x55da5374584a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hc0e15d78a519721e
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/liballoc/boxed.rs:1081
[INFO] [stderr]   26:     0x55da5374584a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h211da8fffb09f192
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/liballoc/boxed.rs:1081
[INFO] [stderr]   27:     0x55da5374584a - std::sys::unix::thread::Thread::new::thread_start::h29594ddebf23e421
[INFO] [stderr]                                at src/libstd/sys/unix/thread.rs:87
[INFO] [stderr]   28:     0x7f3dc401b609 - start_thread
[INFO] [stderr]   29:     0x7f3dc3f27103 - __clone
[INFO] [stderr]   30:                0x0 - <unknown>
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55da5373c7f5 - backtrace::backtrace::libunwind::trace::hea89dfbbfe67f40d
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stderr]    1:     0x55da5373c7f5 - backtrace::backtrace::trace_unsynchronized::h0513dd713d7644d4
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55da5373c7f5 - std::sys_common::backtrace::_print_fmt::h040abae64e4a24a9
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]    3:     0x55da5373c7f5 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hb4bdb37c3c335733
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]    4:     0x55da5376462c - core::fmt::write::h540ac4a6a1232abc
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1076
[INFO] [stderr]    5:     0x55da53738a92 - std::io::Write::write_fmt::h5ffa1b5a7703af47
[INFO] [stderr]                                at src/libstd/io/mod.rs:1539
[INFO] [stderr]    6:     0x55da5373ef50 - std::sys_common::backtrace::_print::hb55cc635eaf1882e
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]    7:     0x55da5373ef50 - std::sys_common::backtrace::print::h2b2218fa55714084
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8:     0x55da5373ef50 - std::panicking::default_hook::{{closure}}::h578517c025765cf3
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    9:     0x55da5373ec9c - std::panicking::default_hook::h4cafc94c2fc640fb
[INFO] [stderr]                                at src/libstd/panicking.rs:217
[INFO] [stderr]   10:     0x55da5373f593 - std::panicking::rust_panic_with_hook::h3eeb5001beeca5c3
[INFO] [stderr]                                at src/libstd/panicking.rs:526
[INFO] [stderr]   11:     0x55da5371fae9 - std::panicking::begin_panic::h3742d622d4e6de1c
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panicking.rs:456
[INFO] [stderr]   12:     0x55da53684e2d - workerpool::test::test_recovery_from_subtask_panic::{{closure}}::h85cfff99f4ecc4e5
[INFO] [stderr]                                at src/lib.rs:1145
[INFO] [stderr]   13:     0x55da5368288d - <F as workerpool::thunk::FnBox>::call_box::h4370d46774f9549d
[INFO] [stderr]                                at src/lib.rs:992
[INFO] [stderr]   14:     0x55da536a7c38 - <workerpool::thunk::ThunkWorker<T> as workerpool::Worker>::execute::h83e483341ed2f3dc
[INFO] [stderr]                                at src/lib.rs:1048
[INFO] [stderr]   15:     0x55da536a5a30 - workerpool::spawn_in_pool::{{closure}}::h101fc00a0269b478
[INFO] [stderr]                                at src/lib.rs:207
[INFO] [stderr]   16:     0x55da536ae30a - std::sys_common::backtrace::__rust_begin_short_backtrace::he0d7cba0248b64cb
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/sys_common/backtrace.rs:130
[INFO] [stderr]   17:     0x55da53670f5a - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h54cbaf263b0accea
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/thread/mod.rs:475
[INFO] [stderr]   18:     0x55da5365ddfe - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hd943f300607605c8
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panic.rs:318
[INFO] [stderr]   19:     0x55da536717ac - std::panicking::try::do_call::h1feeefc2d637fe83
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panicking.rs:348
[INFO] [stderr]   20:     0x55da5367a37d - __rust_try
[INFO] [stderr]   21:     0x55da53671297 - std::panicking::try::h3c354b8d7f9834e6
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panicking.rs:325
[INFO] [stderr]   22:     0x55da5365df7e - std::panic::catch_unwind::hfd04c600bd70c6a5
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panic.rs:394
[INFO] [stderr]   23:     0x55da53670a4e - std::thread::Builder::spawn_unchecked::{{closure}}::hc188260cccd8aac6
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/thread/mod.rs:474
[INFO] [stderr]   24:     0x55da53671cae - core::ops::function::FnOnce::call_once{{vtable.shim}}::h34dbee8199690863
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libcore/ops/function.rs:233
[INFO] [stderr]   25:     0x55da5374584a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hc0e15d78a519721e
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/liballoc/boxed.rs:1081
[INFO] [stderr]   26:     0x55da5374584a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h211da8fffb09f192
[INFO] [stderr]                                at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/liballoc/boxed.rs:1081
[INFO] [stderr]   27:     0x55da5374584a - std::sys::unix::thread::Thread::new::thread_start::h29594ddebf23e421
[INFO] [stderr]                                at src/libstd/sys/unix/thread.rs:87
[INFO] [stderr]   28:     0x7f3dc401b609 - start_thread
[INFO] [stderr]   29:     0x7f3dc3f27103 - __clone
[INFO] [stderr]   30:                0x0 - <unknown>
[INFO] [stdout] test test::test_recovery_from_subtask_panic ... ok
[INFO] [stdout] test test::test_debug ... ok
[INFO] [stdout] test test::test_active_count ... ok
[INFO] [stdout] test test::test_join_wavesurfer ... ok
[INFO] [stdout] test test::test_clone ... ok
[INFO] [stdout] test test::test_massive_task_creation ... ok
[INFO] [stdout] test test::test_no_fun_or_joy ... ok
[INFO] [stdout] test test::test_set_num_threads_decreasing ... ok
[INFO] [stdout] test test::test_repeated_join ... ok
[INFO] [stdout] test test::test_set_num_threads_increasing ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests workerpool
[INFO] [stdout] 
[INFO] [stdout] running 24 tests
[INFO] [stdout] test src/lib.rs - (line 20) ... ok
[INFO] [stdout] test src/lib.rs - Builder::new (line 298) ... ok
[INFO] [stdout] test src/lib.rs - Pool<T>::eq (line 926) ... ok
[INFO] [stdout] test src/lib.rs - Pool<T>::join (line 808) ... ok
[INFO] [stdout] test src/lib.rs - Builder (line 276) ... ok
[INFO] [stdout] test src/lib.rs - Builder::build (line 420) ... ok
[INFO] [stdout] test src/lib.rs - Builder::num_threads (line 323) ... ok
[INFO] [stdout] test src/lib.rs - Builder::thread_name (line 356) ... ok
[INFO] [stdout] test src/lib.rs - Pool<T>::execute (line 572) ... ok
[INFO] [stdout] test src/lib.rs - Pool<T>::max_count (line 692) ... ok
[INFO] [stdout] test src/lib.rs - (line 38) ... ok
[INFO] [stdout] test src/lib.rs - Builder::thread_stack_size (line 391) ... ok
[INFO] [stdout] test src/lib.rs - Pool<T>::execute_to (line 604) ... ok
[INFO] [stdout] test src/lib.rs - (line 68) ... ok
[INFO] [stdout] test src/lib.rs - thunk::Thunk (line 1011) ... ok
[INFO] [stdout] test src/lib.rs - thunk::Thunk (line 1003) ... ok
[INFO] [stdout] test src/lib.rs - Pool<T>::active_count (line 665) ... ok
[INFO] [stdout] test src/lib.rs - Pool<T>::clone (line 860) ... ok
[INFO] [stdout] test src/lib.rs - Pool<T>::new (line 515) ... ok
[INFO] [stdout] test src/lib.rs - Pool<T>::panic_count (line 713) ... ok
[INFO] [stdout] test src/lib.rs - Pool<T>::with_name (line 537) ... ok
[INFO] [stdout] test src/lib.rs - thunk (line 957) ... ok
[INFO] [stdout] test src/lib.rs - Pool<T>::set_num_threads (line 747) ... ok
[INFO] [stdout] test src/lib.rs - Pool<T>::queued_count (line 638) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 24 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f33a916cba5c8f8253291e5e8a2f5dda325cc30d060b32d74c77fa2e43779c3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f33a916cba5c8f8253291e5e8a2f5dda325cc30d060b32d74c77fa2e43779c3e", kill_on_drop: false }`
[INFO] [stdout] f33a916cba5c8f8253291e5e8a2f5dda325cc30d060b32d74c77fa2e43779c3e