[INFO] fetching crate threadpool 1.8.1...
[INFO] testing threadpool-1.8.1 against 1.47.0 for beta-1.48-1
[INFO] extracting crate threadpool 1.8.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate threadpool 1.8.1 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 threadpool 1.8.1
[INFO] finished tweaking crates.io crate threadpool 1.8.1
[INFO] tweaked toml for crates.io crate threadpool 1.8.1 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] 8fe11fb5719eb22072824be120f90655fedeb1fbd39a4266791b579ec1101542
[INFO] running `Command { std: "docker" "start" "-a" "8fe11fb5719eb22072824be120f90655fedeb1fbd39a4266791b579ec1101542", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8fe11fb5719eb22072824be120f90655fedeb1fbd39a4266791b579ec1101542", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fe11fb5719eb22072824be120f90655fedeb1fbd39a4266791b579ec1101542", kill_on_drop: false }`
[INFO] [stdout] 8fe11fb5719eb22072824be120f90655fedeb1fbd39a4266791b579ec1101542
[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] 8f983c7988a69405574c7a8c5b38f298465fd5d690b30fe7c5fe0ab60510cec3
[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" "8f983c7988a69405574c7a8c5b38f298465fd5d690b30fe7c5fe0ab60510cec3", kill_on_drop: false }`
[INFO] [stderr]    Compiling threadpool v1.8.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:99:22
[INFO] [stdout]    |
[INFO] [stdout] 99 | type Thunk<'a> = Box<FnBox + Send + 'a>;
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox + 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 0.87s
[INFO] running `Command { std: "docker" "inspect" "8f983c7988a69405574c7a8c5b38f298465fd5d690b30fe7c5fe0ab60510cec3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f983c7988a69405574c7a8c5b38f298465fd5d690b30fe7c5fe0ab60510cec3", kill_on_drop: false }`
[INFO] [stdout] 8f983c7988a69405574c7a8c5b38f298465fd5d690b30fe7c5fe0ab60510cec3
[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] 959ede7fb166f63116762ca75a86470200a91fd637403e38e55aad32aabc41f9
[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" "959ede7fb166f63116762ca75a86470200a91fd637403e38e55aad32aabc41f9", kill_on_drop: false }`
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:99:22
[INFO] [stdout]    |
[INFO] [stdout] 99 | type Thunk<'a> = Box<FnBox + Send + 'a>;
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox + 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]    Compiling threadpool v1.8.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:99:22
[INFO] [stdout]    |
[INFO] [stdout] 99 | type Thunk<'a> = Box<FnBox + Send + 'a>;
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox + 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:933:17
[INFO] [stdout]     |
[INFO] [stdout] 933 |                 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 3.05s
[INFO] running `Command { std: "docker" "inspect" "959ede7fb166f63116762ca75a86470200a91fd637403e38e55aad32aabc41f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "959ede7fb166f63116762ca75a86470200a91fd637403e38e55aad32aabc41f9", kill_on_drop: false }`
[INFO] [stdout] 959ede7fb166f63116762ca75a86470200a91fd637403e38e55aad32aabc41f9
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d214e650f2ac59850765e6200e3493ec937f1883af557e77e10700d5c6b7452a
[INFO] running `Command { std: "docker" "start" "-a" "d214e650f2ac59850765e6200e3493ec937f1883af557e77e10700d5c6b7452a", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:99:22
[INFO] [stderr]    |
[INFO] [stderr] 99 | type Thunk<'a> = Box<FnBox + Send + 'a>;
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox + 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:99:22
[INFO] [stderr]    |
[INFO] [stderr] 99 | type Thunk<'a> = Box<FnBox + Send + 'a>;
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox + 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:933:17
[INFO] [stderr]     |
[INFO] [stderr] 933 |                 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 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/threadpool-dd71a2530c6c9b13
[INFO] [stdout] 
[INFO] [stdout] running 21 tests
[INFO] [stderr] thread 'test' panicked at 'explicit panic', src/lib.rs:1011:13
[INFO] [stderr] stack backtrace:
[INFO] [stdout] test test::test_send ... ok
[INFO] [stderr] thread '<unnamed>' panicked at 'Ignore this panic, it must!', src/lib.rs:873:34
[INFO] [stdout] test test::test_send_shared_data ... ok
[INFO] [stdout] test test::test_name ... ok
[INFO] [stdout] test test::test_cloned_eq ... ok
[INFO] [stdout] test test::test_empty_pool ... ok
[INFO] [stdout] test test::test_multi_join ... ok
[INFO] [stdout] test test::test_works ... ok
[INFO] [stderr] thread '<unnamed>' panicked at 'Ignore this panic, it must!', src/lib.rs:873:34
[INFO] [stderr] thread '<unnamed>' panicked at 'Ignore this panic, it must!', src/lib.rs:873:34
[INFO] [stderr] thread '<unnamed>' panicked at 'Ignore this panic, it must!', src/lib.rs:873:34
[INFO] [stdout] test test::test_sync_shared_data ... ok
[INFO] [stderr]    0:     0x5606c8d84d90 - std::backtrace_rs::backtrace::libunwind::trace::h577ea05e9ca4629a
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stderr]    1:     0x5606c8d84d90 - std::backtrace_rs::backtrace::trace_unsynchronized::h50b9b72b84c7dd56
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x5606c8d84d90 - std::sys_common::backtrace::_print_fmt::h6541cf9823837fac
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:79
[INFO] [stderr]    3:     0x5606c8d84d90 - <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:     0x5606c8da7c8c - core::fmt::write::h9ddafa4860d8adff
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/fmt/mod.rs:1082
[INFO] [stderr]    5:     0x5606c8d81397 - std::io::Write::write_fmt::h1d2ee292d2b65481
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/io/mod.rs:1514
[INFO] [stderr]    6:     0x5606c8d87220 - std::sys_common::backtrace::_print::ha25f9ff5080d886d
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:61
[INFO] [stderr]    7:     0x5606c8d87220 - std::sys_common::backtrace::print::h213e8aa8dc5405c0
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:48
[INFO] [stderr]    8:     0x5606c8d87220 - std::panicking::default_hook::{{closure}}::h6482fae49ef9d963
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:200
[INFO] [stderr]    9:     0x5606c8d86f6c - std::panicking::default_hook::he30ad7589e0970f9
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:219
[INFO] [stderr]   10:     0x5606c8d87883 - std::panicking::rust_panic_with_hook::haa1ed36ada4ffb03
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:569
[INFO] [stderr]   11:     0x5606c8d6934c - std::panicking::begin_panic::{{closure}}::h25d9596a605c4f9b
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:498
[INFO] [stdout] test test::test_shrink ... ok
[INFO] [stdout] test test::test_should_not_panic_on_drop_if_subtasks_panic_after_drop ... ok
[INFO] [stderr] thread '<unnamed>' panicked at 'Ignore this panic, it should!', src/lib.rs:901:17
[INFO] [stderr] thread '<unnamed>' panicked at 'Ignore this panic, it should!', src/lib.rs:901:17
[INFO] [stderr] thread '<unnamed>' panicked at 'Ignore this panic, it should!', src/lib.rs:901:17
[INFO] [stderr] thread '<unnamed>' panicked at 'Ignore this panic, it should!', src/lib.rs:901:17
[INFO] [stderr]   12:     0x5606c8d62a69 - std::sys_common::backtrace::__rust_end_short_backtrace::h2c40332471a3a1e0
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:153
[INFO] [stderr]   13:     0x5606c8d69277 - std::panicking::begin_panic::h5d79a717df72e8b2
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:497
[INFO] [stderr]   14:     0x5606c8ce04af - threadpool::test::test_name::{{closure}}::hab0caf1970b2aa96
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib.rs:1011
[INFO] [stderr]   15:     0x5606c8cdbe66 - <F as threadpool::FnBox>::call_box::hda229dfbe78c01cd
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib.rs:95
[INFO] [stderr]   16:     0x5606c8d0b80d - threadpool::spawn_in_pool::{{closure}}::h024b54ea205dff7e
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib.rs:769
[INFO] [stderr]   17:     0x5606c8d1167e - std::sys_common::backtrace::__rust_begin_short_backtrace::hf0e6ce23727e17b0
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:137
[INFO] [stderr]   18:     0x5606c8cd722a - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::ha38684e1c754b70f
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/thread/mod.rs:458
[INFO] [stderr]   19:     0x5606c8cc777e - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hd51f9f3c67a95ee4
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panic.rs:308
[INFO] [stderr]   20:     0x5606c8cd7c1a - std::panicking::try::do_call::h8e0cccbf00877411
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:373
[INFO] [stderr]   21:     0x5606c8cdb63d - __rust_try
[INFO] [stderr]   22:     0x5606c8cd7a47 - std::panicking::try::ha99623e6b9d04102
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:337
[INFO] [stderr]   23:     0x5606c8cc7c5e - std::panic::catch_unwind::hc04dddf3a2c9d877
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panic.rs:379
[INFO] [stderr]   24:     0x5606c8cd640e - std::thread::Builder::spawn_unchecked::{{closure}}::h2157fe342df22f1e
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/thread/mod.rs:457
[INFO] [stderr]   25:     0x5606c8cffeae - core::ops::function::FnOnce::call_once{{vtable.shim}}::haef6ba560b79fbb1
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/ops/function.rs:227
[INFO] [stderr]   26:     0x5606c8d8e0ba - <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]   27:     0x5606c8d8e0ba - <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]   28:     0x5606c8d8e0ba - std::sys::unix::thread::Thread::new::thread_start::h5ad4ddffe24373a8
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys/unix/thread.rs:87
[INFO] [stderr]   29:     0x7fbac681e609 - start_thread
[INFO] [stderr]   30:     0x7fbac672a103 - clone
[INFO] [stderr]   31:                0x0 - <unknown>
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x5606c8d84d90 - std::backtrace_rs::backtrace::libunwind::trace::h577ea05e9ca4629a
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stderr]    1:     0x5606c8d84d90 - std::backtrace_rs::backtrace::trace_unsynchronized::h50b9b72b84c7dd56
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x5606c8d84d90 - std::sys_common::backtrace::_print_fmt::h6541cf9823837fac
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:79
[INFO] [stderr]    3:     0x5606c8d84d90 - <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:     0x5606c8da7c8c - core::fmt::write::h9ddafa4860d8adff
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/fmt/mod.rs:1082
[INFO] [stderr]    5:     0x5606c8d81397 - std::io::Write::write_fmt::h1d2ee292d2b65481
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/io/mod.rs:1514
[INFO] [stderr]    6:     0x5606c8d87220 - std::sys_common::backtrace::_print::ha25f9ff5080d886d
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:61
[INFO] [stderr]    7:     0x5606c8d87220 - std::sys_common::backtrace::print::h213e8aa8dc5405c0
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:48
[INFO] [stderr]    8:     0x5606c8d87220 - std::panicking::default_hook::{{closure}}::h6482fae49ef9d963
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:200
[INFO] [stderr]    9:     0x5606c8d86f6c - std::panicking::default_hook::he30ad7589e0970f9
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:219
[INFO] [stderr]   10:     0x5606c8d87883 - std::panicking::rust_panic_with_hook::haa1ed36ada4ffb03
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:569
[INFO] [stderr]   11:     0x5606c8d6934c - std::panicking::begin_panic::{{closure}}::h25d9596a605c4f9b
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:498
[INFO] [stderr]   12:     0x5606c8d62a69 - std::sys_common::backtrace::__rust_end_short_backtrace::h2c40332471a3a1e0
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:153
[INFO] [stderr]   13:     0x5606c8d69277 - std::panicking::begin_panic::h5d79a717df72e8b2
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:497
[INFO] [stderr]   14:     0x5606c8cddefd - threadpool::test::test_recovery_from_subtask_panic::{{closure}}::hbcde910bed58aea7
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib.rs:873
[INFO] [stderr]   15:     0x5606c8cdb99e - <F as threadpool::FnBox>::call_box::h5a5a42a10d84f034
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib.rs:95
[INFO] [stderr]   16:     0x5606c8d0b80d - threadpool::spawn_in_pool::{{closure}}::h024b54ea205dff7e
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib.rs:769
[INFO] [stderr]   17:     0x5606c8d1167e - std::sys_common::backtrace::__rust_begin_short_backtrace::hf0e6ce23727e17b0
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:137
[INFO] [stderr]   18:     0x5606c8cd722a - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::ha38684e1c754b70f
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/thread/mod.rs:458
[INFO] [stderr]   19:     0x5606c8cc777e - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hd51f9f3c67a95ee4
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panic.rs:308
[INFO] [stderr]   20:     0x5606c8cd7c1a - std::panicking::try::do_call::h8e0cccbf00877411
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:373
[INFO] [stderr]   21:     0x5606c8cdb63d - __rust_try
[INFO] [stderr]   22:     0x5606c8cd7a47 - std::panicking::try::ha99623e6b9d04102
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:337
[INFO] [stderr]   23:     0x5606c8cc7c5e - std::panic::catch_unwind::hc04dddf3a2c9d877
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panic.rs:379
[INFO] [stderr]   24:     0x5606c8cd640e - std::thread::Builder::spawn_unchecked::{{closure}}::h2157fe342df22f1e
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/thread/mod.rs:457
[INFO] [stderr]   25:     0x5606c8cffeae - core::ops::function::FnOnce::call_once{{vtable.shim}}::haef6ba560b79fbb1
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/ops/function.rs:227
[INFO] [stderr]   26:     0x5606c8d8e0ba - <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]   27:     0x5606c8d8e0ba - <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]   28:     0x5606c8d8e0ba - std::sys::unix::thread::Thread::new::thread_start::h5ad4ddffe24373a8
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys/unix/thread.rs:87
[INFO] [stderr]   29:     0x7fbac681e609 - start_thread
[INFO] [stderr]   30:     0x7fbac672a103 - clone
[INFO] [stderr]   31:                0x0 - <unknown>
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x5606c8d84d90 - std::backtrace_rs::backtrace::libunwind::trace::h577ea05e9ca4629a
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stderr]    1:     0x5606c8d84d90 - std::backtrace_rs::backtrace::trace_unsynchronized::h50b9b72b84c7dd56
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x5606c8d84d90 - std::sys_common::backtrace::_print_fmt::h6541cf9823837fac
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:79
[INFO] [stderr]    3:     0x5606c8d84d90 - <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:     0x5606c8da7c8c - core::fmt::write::h9ddafa4860d8adff
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/fmt/mod.rs:1082
[INFO] [stderr]    5:     0x5606c8d81397 - std::io::Write::write_fmt::h1d2ee292d2b65481
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/io/mod.rs:1514
[INFO] [stderr]    6:     0x5606c8d87220 - std::sys_common::backtrace::_print::ha25f9ff5080d886d
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:61
[INFO] [stderr]    7:     0x5606c8d87220 - std::sys_common::backtrace::print::h213e8aa8dc5405c0
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:48
[INFO] [stderr]    8:     0x5606c8d87220 - std::panicking::default_hook::{{closure}}::h6482fae49ef9d963
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:200
[INFO] [stderr]    9:     0x5606c8d86f6c - std::panicking::default_hook::he30ad7589e0970f9
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:219
[INFO] [stderr]   10:     0x5606c8d87883 - std::panicking::rust_panic_with_hook::haa1ed36ada4ffb03
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:569
[INFO] [stderr]   11:     0x5606c8d6934c - std::panicking::begin_panic::{{closure}}::h25d9596a605c4f9b
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:498
[INFO] [stderr]   12:     0x5606c8d62a69 - std::sys_common::backtrace::__rust_end_short_backtrace::h2c40332471a3a1e0
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:153
[INFO] [stderr]   13:     0x5606c8d69277 - std::panicking::begin_panic::h5d79a717df72e8b2
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:497
[INFO] [stderr]   14:     0x5606c8cddefd - threadpool::test::test_recovery_from_subtask_panic::{{closure}}::hbcde910bed58aea7
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib.rs:873
[INFO] [stderr]   15:     0x5606c8cdb99e - <F as threadpool::FnBox>::call_box::h5a5a42a10d84f034
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib.rs:95
[INFO] [stderr]   16:     0x5606c8d0b80d - threadpool::spawn_in_pool::{{closure}}::h024b54ea205dff7e
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib.rs:769
[INFO] [stderr]   17:     0x5606c8d1167e - std::sys_common::backtrace::__rust_begin_short_backtrace::hf0e6ce23727e17b0
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:137
[INFO] [stderr]   18:     0x5606c8cd722a - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::ha38684e1c754b70f
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/thread/mod.rs:458
[INFO] [stderr]   19:     0x5606c8cc777e - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hd51f9f3c67a95ee4
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panic.rs:308
[INFO] [stderr]   20:     0x5606c8cd7c1a - std::panicking::try::do_call::h8e0cccbf00877411
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:373
[INFO] [stderr]   21:     0x5606c8cdb63d - __rust_try
[INFO] [stderr]   22:     0x5606c8cd7a47 - std::panicking::try::ha99623e6b9d04102
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:337
[INFO] [stderr]   23:     0x5606c8cc7c5e - std::panic::catch_unwind::hc04dddf3a2c9d877
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panic.rs:379
[INFO] [stderr]   24:     0x5606c8cd640e - std::thread::Builder::spawn_unchecked::{{closure}}::h2157fe342df22f1e
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/thread/mod.rs:457
[INFO] [stderr]   25:     0x5606c8cffeae - core::ops::function::FnOnce::call_once{{vtable.shim}}::haef6ba560b79fbb1
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/ops/function.rs:227
[INFO] [stderr]   26:     0x5606c8d8e0ba - <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]   27:     0x5606c8d8e0ba - <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]   28:     0x5606c8d8e0ba - std::sys::unix::thread::Thread::new::thread_start::h5ad4ddffe24373a8
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys/unix/thread.rs:87
[INFO] [stderr]   29:     0x7fbac681e609 - start_thread
[INFO] [stderr]   30:     0x7fbac672a103 - clone
[INFO] [stderr]   31:                0x0 - <unknown>
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x5606c8d84d90 - std::backtrace_rs::backtrace::libunwind::trace::h577ea05e9ca4629a
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stderr]    1:     0x5606c8d84d90 - std::backtrace_rs::backtrace::trace_unsynchronized::h50b9b72b84c7dd56
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x5606c8d84d90 - std::sys_common::backtrace::_print_fmt::h6541cf9823837fac
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:79
[INFO] [stderr]    3:     0x5606c8d84d90 - <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:     0x5606c8da7c8c - core::fmt::write::h9ddafa4860d8adff
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/fmt/mod.rs:1082
[INFO] [stderr]    5:     0x5606c8d81397 - std::io::Write::write_fmt::h1d2ee292d2b65481
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/io/mod.rs:1514
[INFO] [stderr]    6:     0x5606c8d87220 - std::sys_common::backtrace::_print::ha25f9ff5080d886d
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:61
[INFO] [stderr]    7:     0x5606c8d87220 - std::sys_common::backtrace::print::h213e8aa8dc5405c0
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:48
[INFO] [stderr]    8:     0x5606c8d87220 - std::panicking::default_hook::{{closure}}::h6482fae49ef9d963
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:200
[INFO] [stderr]    9:     0x5606c8d86f6c - std::panicking::default_hook::he30ad7589e0970f9
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:219
[INFO] [stderr]   10:     0x5606c8d87883 - std::panicking::rust_panic_with_hook::haa1ed36ada4ffb03
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:569
[INFO] [stderr]   11:     0x5606c8d6934c - std::panicking::begin_panic::{{closure}}::h25d9596a605c4f9b
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:498
[INFO] [stderr]   12:     0x5606c8d62a69 - std::sys_common::backtrace::__rust_end_short_backtrace::h2c40332471a3a1e0
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:153
[INFO] [stderr]   13:     0x5606c8d69277 - std::panicking::begin_panic::h5d79a717df72e8b2
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:497
[INFO] [stderr]   14:     0x5606c8cddefd - threadpool::test::test_recovery_from_subtask_panic::{{closure}}::hbcde910bed58aea7
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib.rs:873
[INFO] [stderr]   15:     0x5606c8cdb99e - <F as threadpool::FnBox>::call_box::h5a5a42a10d84f034
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib.rs:95
[INFO] [stderr]   16:     0x5606c8d0b80d - threadpool::spawn_in_pool::{{closure}}::h024b54ea205dff7e
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib.rs:769
[INFO] [stderr]   17:     0x5606c8d1167e - std::sys_common::backtrace::__rust_begin_short_backtrace::hf0e6ce23727e17b0
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:137
[INFO] [stderr]   18:     0x5606c8cd722a - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::ha38684e1c754b70f
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/thread/mod.rs:458
[INFO] [stderr]   19:     0x5606c8cc777e - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hd51f9f3c67a95ee4
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panic.rs:308
[INFO] [stderr]   20:     0x5606c8cd7c1a - std::panicking::try::do_call::h8e0cccbf00877411
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:373
[INFO] [stderr]   21:     0x5606c8cdb63d - __rust_try
[INFO] [stderr]   22:     0x5606c8cd7a47 - std::panicking::try::ha99623e6b9d04102
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:337
[INFO] [stderr]   23:     0x5606c8cc7c5e - std::panic::catch_unwind::hc04dddf3a2c9d877
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panic.rs:379
[INFO] [stderr]   24:     0x5606c8cd640e - std::thread::Builder::spawn_unchecked::{{closure}}::h2157fe342df22f1e
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/thread/mod.rs:457
[INFO] [stderr]   25:     0x5606c8cffeae - core::ops::function::FnOnce::call_once{{vtable.shim}}::haef6ba560b79fbb1
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/ops/function.rs:227
[INFO] [stderr]   26:     0x5606c8d8e0ba - <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]   27:     0x5606c8d8e0ba - <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]   28:     0x5606c8d8e0ba - std::sys::unix::thread::Thread::new::thread_start::h5ad4ddffe24373a8
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys/unix/thread.rs:87
[INFO] [stderr]   29:     0x7fbac681e609 - start_thread
[INFO] [stderr]   30:     0x7fbac672a103 - clone
[INFO] [stderr]   31:                0x0 - <unknown>
[INFO] [stdout] test test::test_zero_tasks_panic ... ok
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x5606c8d84d90 - std::backtrace_rs::backtrace::libunwind::trace::h577ea05e9ca4629a
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stderr]    1:     0x5606c8d84d90 - std::backtrace_rs::backtrace::trace_unsynchronized::h50b9b72b84c7dd56
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x5606c8d84d90 - std::sys_common::backtrace::_print_fmt::h6541cf9823837fac
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:79
[INFO] [stderr]    3:     0x5606c8d84d90 - <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:     0x5606c8da7c8c - core::fmt::write::h9ddafa4860d8adff
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/fmt/mod.rs:1082
[INFO] [stderr]    5:     0x5606c8d81397 - std::io::Write::write_fmt::h1d2ee292d2b65481
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/io/mod.rs:1514
[INFO] [stderr]    6:     0x5606c8d87220 - std::sys_common::backtrace::_print::ha25f9ff5080d886d
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:61
[INFO] [stderr]    7:     0x5606c8d87220 - std::sys_common::backtrace::print::h213e8aa8dc5405c0
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:48
[INFO] [stderr]    8:     0x5606c8d87220 - std::panicking::default_hook::{{closure}}::h6482fae49ef9d963
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:200
[INFO] [stderr]    9:     0x5606c8d86f6c - std::panicking::default_hook::he30ad7589e0970f9
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:219
[INFO] [stderr]   10:     0x5606c8d87883 - std::panicking::rust_panic_with_hook::haa1ed36ada4ffb03
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:569
[INFO] [stderr]   11:     0x5606c8d6934c - std::panicking::begin_panic::{{closure}}::h25d9596a605c4f9b
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:498
[INFO] [stderr]   12:     0x5606c8d62a69 - std::sys_common::backtrace::__rust_end_short_backtrace::h2c40332471a3a1e0
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:153
[INFO] [stderr]   13:     0x5606c8d69277 - std::panicking::begin_panic::h5d79a717df72e8b2
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:497
[INFO] [stderr]   14:     0x5606c8cddefd - threadpool::test::test_recovery_from_subtask_panic::{{closure}}::hbcde910bed58aea7
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib.rs:873
[INFO] [stderr]   15:     0x5606c8cdb99e - <F as threadpool::FnBox>::call_box::h5a5a42a10d84f034
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib.rs:95
[INFO] [stderr]   16:     0x5606c8d0b80d - threadpool::spawn_in_pool::{{closure}}::h024b54ea205dff7e
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib.rs:769
[INFO] [stderr]   17:     0x5606c8d1167e - std::sys_common::backtrace::__rust_begin_short_backtrace::hf0e6ce23727e17b0
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:137
[INFO] [stderr]   18:     0x5606c8cd722a - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::ha38684e1c754b70f
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/thread/mod.rs:458
[INFO] [stderr]   19:     0x5606c8cc777e - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hd51f9f3c67a95ee4
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panic.rs:308
[INFO] [stderr]   20:     0x5606c8cd7c1a - std::panicking::try::do_call::h8e0cccbf00877411
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:373
[INFO] [stderr]   21:     0x5606c8cdb63d - __rust_try
[INFO] [stderr]   22:     0x5606c8cd7a47 - std::panicking::try::ha99623e6b9d04102
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:337
[INFO] [stderr]   23:     0x5606c8cc7c5e - std::panic::catch_unwind::hc04dddf3a2c9d877
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panic.rs:379
[INFO] [stderr]   24:     0x5606c8cd640e - std::thread::Builder::spawn_unchecked::{{closure}}::h2157fe342df22f1e
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/thread/mod.rs:457
[INFO] [stderr]   25:     0x5606c8cffeae - core::ops::function::FnOnce::call_once{{vtable.shim}}::haef6ba560b79fbb1
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/ops/function.rs:227
[INFO] [stderr]   26:     0x5606c8d8e0ba - <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]   27:     0x5606c8d8e0ba - <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]   28:     0x5606c8d8e0ba - std::sys::unix::thread::Thread::new::thread_start::h5ad4ddffe24373a8
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys/unix/thread.rs:87
[INFO] [stderr]   29:     0x7fbac681e609 - start_thread
[INFO] [stderr]   30:     0x7fbac672a103 - clone
[INFO] [stderr]   31:                0x0 - <unknown>
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x5606c8d84d90 - std::backtrace_rs::backtrace::libunwind::trace::h577ea05e9ca4629a
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stderr]    1:     0x5606c8d84d90 - std::backtrace_rs::backtrace::trace_unsynchronized::h50b9b72b84c7dd56
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x5606c8d84d90 - std::sys_common::backtrace::_print_fmt::h6541cf9823837fac
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:79
[INFO] [stderr]    3:     0x5606c8d84d90 - <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:     0x5606c8da7c8c - core::fmt::write::h9ddafa4860d8adff
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/fmt/mod.rs:1082
[INFO] [stderr]    5:     0x5606c8d81397 - std::io::Write::write_fmt::h1d2ee292d2b65481
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/io/mod.rs:1514
[INFO] [stderr]    6:     0x5606c8d87220 - std::sys_common::backtrace::_print::ha25f9ff5080d886d
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:61
[INFO] [stderr]    7:     0x5606c8d87220 - std::sys_common::backtrace::print::h213e8aa8dc5405c0
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:48
[INFO] [stderr]    8:     0x5606c8d87220 - std::panicking::default_hook::{{closure}}::h6482fae49ef9d963
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:200
[INFO] [stderr]    9:     0x5606c8d86f6c - std::panicking::default_hook::he30ad7589e0970f9
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:219
[INFO] [stderr]   10:     0x5606c8d87883 - std::panicking::rust_panic_with_hook::haa1ed36ada4ffb03
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:569
[INFO] [stderr]   11:     0x5606c8d6934c - std::panicking::begin_panic::{{closure}}::h25d9596a605c4f9b
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:498
[INFO] [stderr]   12:     0x5606c8d62a69 - std::sys_common::backtrace::__rust_end_short_backtrace::h2c40332471a3a1e0
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:153
[INFO] [stderr]   13:     0x5606c8d69277 - std::panicking::begin_panic::h5d79a717df72e8b2
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:497
[INFO] [stderr]   14:     0x5606c8cde27e - threadpool::test::test_should_not_panic_on_drop_if_subtasks_panic_after_drop::{{closure}}::hb86fd1a72e1a5e5c
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib.rs:901
[INFO] [stderr]   15:     0x5606c8cdbf56 - <F as threadpool::FnBox>::call_box::hede3bdbc878de936
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib.rs:95
[INFO] [stderr]   16:     0x5606c8d0b80d - threadpool::spawn_in_pool::{{closure}}::h024b54ea205dff7e
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib.rs:769
[INFO] [stderr]   17:     0x5606c8d1167e - std::sys_common::backtrace::__rust_begin_short_backtrace::hf0e6ce23727e17b0
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:137
[INFO] [stderr]   18:     0x5606c8cd722a - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::ha38684e1c754b70f
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/thread/mod.rs:458
[INFO] [stderr]   19:     0x5606c8cc777e - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hd51f9f3c67a95ee4
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panic.rs:308
[INFO] [stderr]   20:     0x5606c8cd7c1a - std::panicking::try::do_call::h8e0cccbf00877411
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:373
[INFO] [stderr]   21:     0x5606c8cdb63d - __rust_try
[INFO] [stderr]   22:     0x5606c8cd7a47 - std::panicking::try::ha99623e6b9d04102
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:337
[INFO] [stderr]   23:     0x5606c8cc7c5e - std::panic::catch_unwind::hc04dddf3a2c9d877
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panic.rs:379
[INFO] [stderr]   24:     0x5606c8cd640e - std::thread::Builder::spawn_unchecked::{{closure}}::h2157fe342df22f1e
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/thread/mod.rs:457
[INFO] [stderr]   25:     0x5606c8cffeae - core::ops::function::FnOnce::call_once{{vtable.shim}}::haef6ba560b79fbb1
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/ops/function.rs:227
[INFO] [stderr]   26:     0x5606c8d8e0ba - <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]   27:     0x5606c8d8e0ba - <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]   28:     0x5606c8d8e0ba - std::sys::unix::thread::Thread::new::thread_start::h5ad4ddffe24373a8
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys/unix/thread.rs:87
[INFO] [stderr]   29:     0x7fbac681e609 - start_thread
[INFO] [stderr]   30:     0x7fbac672a103 - clone
[INFO] [stderr]   31:                0x0 - <unknown>
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x5606c8d84d90 - std::backtrace_rs::backtrace::libunwind::trace::h577ea05e9ca4629a
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stderr]    1:     0x5606c8d84d90 - std::backtrace_rs::backtrace::trace_unsynchronized::h50b9b72b84c7dd56
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x5606c8d84d90 - std::sys_common::backtrace::_print_fmt::h6541cf9823837fac
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:79
[INFO] [stderr]    3:     0x5606c8d84d90 - <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:     0x5606c8da7c8c - core::fmt::write::h9ddafa4860d8adff
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/fmt/mod.rs:1082
[INFO] [stderr]    5:     0x5606c8d81397 - std::io::Write::write_fmt::h1d2ee292d2b65481
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/io/mod.rs:1514
[INFO] [stderr]    6:     0x5606c8d87220 - std::sys_common::backtrace::_print::ha25f9ff5080d886d
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:61
[INFO] [stderr]    7:     0x5606c8d87220 - std::sys_common::backtrace::print::h213e8aa8dc5405c0
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:48
[INFO] [stderr]    8:     0x5606c8d87220 - std::panicking::default_hook::{{closure}}::h6482fae49ef9d963
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:200
[INFO] [stderr]    9:     0x5606c8d86f6c - std::panicking::default_hook::he30ad7589e0970f9
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:219
[INFO] [stderr]   10:     0x5606c8d87883 - std::panicking::rust_panic_with_hook::haa1ed36ada4ffb03
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:569
[INFO] [stderr]   11:     0x5606c8d6934c - std::panicking::begin_panic::{{closure}}::h25d9596a605c4f9b
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:498
[INFO] [stderr]   12:     0x5606c8d62a69 - std::sys_common::backtrace::__rust_end_short_backtrace::h2c40332471a3a1e0
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:153
[INFO] [stderr]   13:     0x5606c8d69277 - std::panicking::begin_panic::h5d79a717df72e8b2
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:497
[INFO] [stderr]   14:     0x5606c8cde27e - threadpool::test::test_should_not_panic_on_drop_if_subtasks_panic_after_drop::{{closure}}::hb86fd1a72e1a5e5c
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib.rs:901
[INFO] [stderr]   15:     0x5606c8cdbf56 - <F as threadpool::FnBox>::call_box::hede3bdbc878de936
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib.rs:95
[INFO] [stderr]   16:     0x5606c8d0b80d - threadpool::spawn_in_pool::{{closure}}::h024b54ea205dff7e
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib.rs:769
[INFO] [stderr]   17:     0x5606c8d1167e - std::sys_common::backtrace::__rust_begin_short_backtrace::hf0e6ce23727e17b0
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:137
[INFO] [stderr]   18:     0x5606c8cd722a - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::ha38684e1c754b70f
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/thread/mod.rs:458
[INFO] [stderr]   19:     0x5606c8cc777e - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hd51f9f3c67a95ee4
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panic.rs:308
[INFO] [stderr]   20:     0x5606c8cd7c1a - std::panicking::try::do_call::h8e0cccbf00877411
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:373
[INFO] [stderr]   21:     0x5606c8cdb63d - __rust_try
[INFO] [stderr]   22:     0x5606c8cd7a47 - std::panicking::try::ha99623e6b9d04102
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:337
[INFO] [stderr]   23:     0x5606c8cc7c5e - std::panic::catch_unwind::hc04dddf3a2c9d877
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panic.rs:379
[INFO] [stderr]   24:     0x5606c8cd640e - std::thread::Builder::spawn_unchecked::{{closure}}::h2157fe342df22f1e
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/thread/mod.rs:457
[INFO] [stderr]   25:     0x5606c8cffeae - core::ops::function::FnOnce::call_once{{vtable.shim}}::haef6ba560b79fbb1
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/ops/function.rs:227
[INFO] [stderr]   26:     0x5606c8d8e0ba - <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]   27:     0x5606c8d8e0ba - <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]   28:     0x5606c8d8e0ba - std::sys::unix::thread::Thread::new::thread_start::h5ad4ddffe24373a8
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys/unix/thread.rs:87
[INFO] [stderr]   29:     0x7fbac681e609 - start_thread
[INFO] [stderr]   30:     0x7fbac672a103 - clone
[INFO] [stderr]   31:                0x0 - <unknown>
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x5606c8d84d90 - std::backtrace_rs::backtrace::libunwind::trace::h577ea05e9ca4629a
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stderr]    1:     0x5606c8d84d90 - std::backtrace_rs::backtrace::trace_unsynchronized::h50b9b72b84c7dd56
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x5606c8d84d90 - std::sys_common::backtrace::_print_fmt::h6541cf9823837fac
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:79
[INFO] [stderr]    3:     0x5606c8d84d90 - <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:     0x5606c8da7c8c - core::fmt::write::h9ddafa4860d8adff
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/fmt/mod.rs:1082
[INFO] [stderr]    5:     0x5606c8d81397 - std::io::Write::write_fmt::h1d2ee292d2b65481
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/io/mod.rs:1514
[INFO] [stderr]    6:     0x5606c8d87220 - std::sys_common::backtrace::_print::ha25f9ff5080d886d
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:61
[INFO] [stderr]    7:     0x5606c8d87220 - std::sys_common::backtrace::print::h213e8aa8dc5405c0
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:48
[INFO] [stderr]    8:     0x5606c8d87220 - std::panicking::default_hook::{{closure}}::h6482fae49ef9d963
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:200
[INFO] [stderr]    9:     0x5606c8d86f6c - std::panicking::default_hook::he30ad7589e0970f9
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:219
[INFO] [stderr]   10:     0x5606c8d87883 - std::panicking::rust_panic_with_hook::haa1ed36ada4ffb03
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:569
[INFO] [stderr]   11:     0x5606c8d6934c - std::panicking::begin_panic::{{closure}}::h25d9596a605c4f9b
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:498
[INFO] [stderr]   12:     0x5606c8d62a69 - std::sys_common::backtrace::__rust_end_short_backtrace::h2c40332471a3a1e0
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:153
[INFO] [stderr]   13:     0x5606c8d69277 - std::panicking::begin_panic::h5d79a717df72e8b2
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:497
[INFO] [stderr]   14:     0x5606c8cde27e - threadpool::test::test_should_not_panic_on_drop_if_subtasks_panic_after_drop::{{closure}}::hb86fd1a72e1a5e5c
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib.rs:901
[INFO] [stderr]   15:     0x5606c8cdbf56 - <F as threadpool::FnBox>::call_box::hede3bdbc878de936
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib.rs:95
[INFO] [stderr]   16:     0x5606c8d0b80d - threadpool::spawn_in_pool::{{closure}}::h024b54ea205dff7e
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib.rs:769
[INFO] [stderr]   17:     0x5606c8d1167e - std::sys_common::backtrace::__rust_begin_short_backtrace::hf0e6ce23727e17b0
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:137
[INFO] [stderr]   18:     0x5606c8cd722a - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::ha38684e1c754b70f
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/thread/mod.rs:458
[INFO] [stderr]   19:     0x5606c8cc777e - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hd51f9f3c67a95ee4
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panic.rs:308
[INFO] [stderr]   20:     0x5606c8cd7c1a - std::panicking::try::do_call::h8e0cccbf00877411
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:373
[INFO] [stderr]   21:     0x5606c8cdb63d - __rust_try
[INFO] [stderr]   22:     0x5606c8cd7a47 - std::panicking::try::ha99623e6b9d04102
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:337
[INFO] [stderr]   23:     0x5606c8cc7c5e - std::panic::catch_unwind::hc04dddf3a2c9d877
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panic.rs:379
[INFO] [stderr]   24:     0x5606c8cd640e - std::thread::Builder::spawn_unchecked::{{closure}}::h2157fe342df22f1e
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/thread/mod.rs:457
[INFO] [stderr]   25:     0x5606c8cffeae - core::ops::function::FnOnce::call_once{{vtable.shim}}::haef6ba560b79fbb1
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/ops/function.rs:227
[INFO] [stderr]   26:     0x5606c8d8e0ba - <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]   27:     0x5606c8d8e0ba - <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]   28:     0x5606c8d8e0ba - std::sys::unix::thread::Thread::new::thread_start::h5ad4ddffe24373a8
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys/unix/thread.rs:87
[INFO] [stderr]   29:     0x7fbac681e609 - start_thread
[INFO] [stderr]   30:     0x7fbac672a103 - clone
[INFO] [stderr]   31:                0x0 - <unknown>
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x5606c8d84d90 - std::backtrace_rs::backtrace::libunwind::trace::h577ea05e9ca4629a
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stderr]    1:     0x5606c8d84d90 - std::backtrace_rs::backtrace::trace_unsynchronized::h50b9b72b84c7dd56
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x5606c8d84d90 - std::sys_common::backtrace::_print_fmt::h6541cf9823837fac
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:79
[INFO] [stderr]    3:     0x5606c8d84d90 - <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:     0x5606c8da7c8c - core::fmt::write::h9ddafa4860d8adff
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/fmt/mod.rs:1082
[INFO] [stderr]    5:     0x5606c8d81397 - std::io::Write::write_fmt::h1d2ee292d2b65481
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/io/mod.rs:1514
[INFO] [stderr]    6:     0x5606c8d87220 - std::sys_common::backtrace::_print::ha25f9ff5080d886d
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:61
[INFO] [stderr]    7:     0x5606c8d87220 - std::sys_common::backtrace::print::h213e8aa8dc5405c0
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:48
[INFO] [stderr]    8:     0x5606c8d87220 - std::panicking::default_hook::{{closure}}::h6482fae49ef9d963
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:200
[INFO] [stderr]    9:     0x5606c8d86f6c - std::panicking::default_hook::he30ad7589e0970f9
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:219
[INFO] [stderr]   10:     0x5606c8d87883 - std::panicking::rust_panic_with_hook::haa1ed36ada4ffb03
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:569
[INFO] [stderr]   11:     0x5606c8d6934c - std::panicking::begin_panic::{{closure}}::h25d9596a605c4f9b
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:498
[INFO] [stderr]   12:     0x5606c8d62a69 - std::sys_common::backtrace::__rust_end_short_backtrace::h2c40332471a3a1e0
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:153
[INFO] [stderr]   13:     0x5606c8d69277 - std::panicking::begin_panic::h5d79a717df72e8b2
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:497
[INFO] [stderr]   14:     0x5606c8cde27e - threadpool::test::test_should_not_panic_on_drop_if_subtasks_panic_after_drop::{{closure}}::hb86fd1a72e1a5e5c
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib.rs:901
[INFO] [stderr]   15:     0x5606c8cdbf56 - <F as threadpool::FnBox>::call_box::hede3bdbc878de936
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib.rs:95
[INFO] [stderr]   16:     0x5606c8d0b80d - threadpool::spawn_in_pool::{{closure}}::h024b54ea205dff7e
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib.rs:769
[INFO] [stderr]   17:     0x5606c8d1167e - std::sys_common::backtrace::__rust_begin_short_backtrace::hf0e6ce23727e17b0
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:137
[INFO] [stderr]   18:     0x5606c8cd722a - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::ha38684e1c754b70f
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/thread/mod.rs:458
[INFO] [stderr]   19:     0x5606c8cc777e - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hd51f9f3c67a95ee4
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panic.rs:308
[INFO] [stderr]   20:     0x5606c8cd7c1a - std::panicking::try::do_call::h8e0cccbf00877411
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:373
[INFO] [stderr]   21:     0x5606c8cdb63d - __rust_try
[INFO] [stderr]   22:     0x5606c8cd7a47 - std::panicking::try::ha99623e6b9d04102
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:337
[INFO] [stderr]   23:     0x5606c8cc7c5e - std::panic::catch_unwind::hc04dddf3a2c9d877
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panic.rs:379
[INFO] [stderr]   24:     0x5606c8cd640e - std::thread::Builder::spawn_unchecked::{{closure}}::h2157fe342df22f1e
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/thread/mod.rs:457
[INFO] [stderr]   25:     0x5606c8cffeae - core::ops::function::FnOnce::call_once{{vtable.shim}}::haef6ba560b79fbb1
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/ops/function.rs:227
[INFO] [stderr]   26:     0x5606c8d8e0ba - <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]   27:     0x5606c8d8e0ba - <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]   28:     0x5606c8d8e0ba - std::sys::unix::thread::Thread::new::thread_start::h5ad4ddffe24373a8
[INFO] [stderr]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys/unix/thread.rs:87
[INFO] [stderr]   29:     0x7fbac681e609 - start_thread
[INFO] [stderr]   30:     0x7fbac672a103 - clone
[INFO] [stderr]   31:                0x0 - <unknown>
[INFO] [stdout] test test::test_recovery_from_subtask_panic ... ok
[INFO] [stdout] test test::test_active_count ... ok
[INFO] [stdout] test test::test_debug ... 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_repeate_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 threadpool
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test src/lib.rs - Builder::new (line 171) ... ok
[INFO] [stdout] test src/lib.rs - ThreadPool::execute (line 417) ... ok
[INFO] [stdout] test src/lib.rs - ThreadPool::eq (line 707) ... ok
[INFO] [stdout] test src/lib.rs - Builder::build (line 275) ... ok
[INFO] [stdout] test src/lib.rs - Builder::num_threads (line 195) ... ok
[INFO] [stdout] test src/lib.rs - Builder (line 151) ... ok
[INFO] [stdout] test src/lib.rs - (line 48) ... ok
[INFO] [stdout] test src/lib.rs - ThreadPool::join (line 597) ... ok
[INFO] [stdout] test src/lib.rs - Builder::thread_name (line 223) ... ok
[INFO] [stdout] test src/lib.rs - Builder::thread_stack_size (line 252) ... ok
[INFO] [stdout] test src/lib.rs - ThreadPool::max_count (line 487) ... ok
[INFO] [stdout] test src/lib.rs - ThreadPool::new (line 362) ... ok
[INFO] [stdout] test src/lib.rs - ThreadPool::clone (line 645) ... ok
[INFO] [stdout] test src/lib.rs - (line 22) ... ok
[INFO] [stdout] test src/lib.rs - ThreadPool::panic_count (line 504) ... ok
[INFO] [stdout] test src/lib.rs - ThreadPool::with_name (line 380) ... ok
[INFO] [stdout] test src/lib.rs - ThreadPool::active_count (line 464) ... ok
[INFO] [stdout] test src/lib.rs - ThreadPool::queued_count (line 441) ... ok
[INFO] [stdout] test src/lib.rs - ThreadPool::set_num_threads (line 540) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d214e650f2ac59850765e6200e3493ec937f1883af557e77e10700d5c6b7452a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d214e650f2ac59850765e6200e3493ec937f1883af557e77e10700d5c6b7452a", kill_on_drop: false }`
[INFO] [stdout] d214e650f2ac59850765e6200e3493ec937f1883af557e77e10700d5c6b7452a
