[INFO] crate pond 0.3.0 is already in cache
[INFO] extracting crate pond 0.3.0 into work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/pond/0.3.0
[INFO] extracting crate pond 0.3.0 into work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/pond/0.3.0
[INFO] validating manifest of pond-0.3.0 on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of pond-0.3.0 on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing pond-0.3.0
[INFO] finished frobbing pond-0.3.0
[INFO] frobbed toml for pond-0.3.0 written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/pond/0.3.0/Cargo.toml
[INFO] started frobbing pond-0.3.0
[INFO] finished frobbing pond-0.3.0
[INFO] frobbed toml for pond-0.3.0 written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/pond/0.3.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing pond-0.3.0 against try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-0/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/pond/0.3.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "build" "--frozen"`
[INFO] [stdout] 1f3535dd71ef70eb584265333863ced149089fdbd9358c2a9548794e23299a36
[INFO] running `"docker" "start" "-a" "1f3535dd71ef70eb584265333863ced149089fdbd9358c2a9548794e23299a36"`
[INFO] [stderr]    Compiling pond v0.3.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `"docker" "inspect" "1f3535dd71ef70eb584265333863ced149089fdbd9358c2a9548794e23299a36"`
[INFO] running `"docker" "rm" "-f" "1f3535dd71ef70eb584265333863ced149089fdbd9358c2a9548794e23299a36"`
[INFO] [stdout] 1f3535dd71ef70eb584265333863ced149089fdbd9358c2a9548794e23299a36
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-0/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/pond/0.3.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 74bed8f0d26d06d27d465f93dd91e3b5e9a5c08c5d7638cf901d8aeb203782ba
[INFO] running `"docker" "start" "-a" "74bed8f0d26d06d27d465f93dd91e3b5e9a5c08c5d7638cf901d8aeb203782ba"`
[INFO] [stderr]    Compiling pond v0.3.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.41s
[INFO] running `"docker" "inspect" "74bed8f0d26d06d27d465f93dd91e3b5e9a5c08c5d7638cf901d8aeb203782ba"`
[INFO] running `"docker" "rm" "-f" "74bed8f0d26d06d27d465f93dd91e3b5e9a5c08c5d7638cf901d8aeb203782ba"`
[INFO] [stdout] 74bed8f0d26d06d27d465f93dd91e3b5e9a5c08c5d7638cf901d8aeb203782ba
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-0/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/pond/0.3.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen"`
[INFO] [stdout] 3789f40750f31dc62362dd6ca883f0f51b03dd32884c5c21c8a5098e14995c59
[INFO] running `"docker" "start" "-a" "3789f40750f31dc62362dd6ca883f0f51b03dd32884c5c21c8a5098e14995c59"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/pond-0a31accadeb8c9bc
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test tests::modify_state ... ok
[INFO] [stdout] test tests::no_leak ... ok
[INFO] [stdout] test tests::no_leak_state ... ok
[INFO] [stdout] test tests::no_leak2 ... ok
[INFO] [stdout] test tests::safe_execute ... ok
[INFO] [stdout] test tests::pool_panic ... ok
[INFO] [stdout] test tests::scope_panic ... ok
[INFO] [stderr] thread '<unnamed>' panicked at 'explicit panic', src/lib.rs:1095:12
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55c13b5d0833 - std[698b411d1b74fcff]::sys::unix::backtrace::tracing::imp::unwind_backtrace
[INFO] [stderr]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stderr]    1:     0x55c13b5cc51b - std[698b411d1b74fcff]::sys_common::backtrace::_print
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:70
[INFO] [stderr]    2:     0x55c13b5cf4b6 - std[698b411d1b74fcff]::panicking::default_hook::{closure#1}
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:58
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    3:     0x55c13b5cf234 - std[698b411d1b74fcff]::panicking::default_hook
[INFO] [stderr]                                at src/libstd/panicking.rs:215
[INFO] [stderr]    4:     0x55c13b5cfbc0 - std[698b411d1b74fcff]::panicking::rust_panic_with_hook
[INFO] [stderr]                                at src/libstd/panicking.rs:478
[INFO] [stderr]    5:     0x55c13b5c0607 - std[698b411d1b74fcff]::panicking::begin_panic::<&str>
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panicking.rs:412
[INFO] [stderr]    6:     0x55c13b549ad0 - pond[658f399fbedc8253]::tests::state_maker_panic::{closure#0}::{closure#0}::{closure#0}
[INFO] [stderr]                                at src/lib.rs:1095
[INFO] [stderr]    7:     0x55c13b5319b2 - <pond[658f399fbedc8253]::Scope>::with_state::<pond[658f399fbedc8253]::tests::state_maker_panic::{closure#0}::{closure#0}::{closure#0}, ()>::{closure#0}
[INFO] [stderr]                                at src/lib.rs:449
[INFO] [stderr]    8:     0x55c13b527ec2 - <<pond[658f399fbedc8253]::Scope>::with_state<pond[658f399fbedc8253]::tests::state_maker_panic::{closure#0}::{closure#0}::{closure#0}, ()>::{closure#0} as pond[658f399fbedc8253]::StateMakerBox>::create
[INFO] [stderr]                                at src/lib.rs:99
[INFO] [stderr]    9:     0x55c13b5288fd - <pond[658f399fbedc8253]::Pool>::run_thread::{closure#0}
[INFO] [stderr]                                at src/lib.rs:269
[INFO] [stderr]   10:     0x55c13b57a0b2 - <<pond[658f399fbedc8253]::Pool>::run_thread::{closure#0} as core[b849d6d0cd70c3a8]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libcore/ops/function.rs:231
[INFO] [stderr]   11:     0x55c13b581340 - <std[698b411d1b74fcff]::panic::AssertUnwindSafe<<pond[658f399fbedc8253]::Pool>::run_thread::{closure#0}> as core[b849d6d0cd70c3a8]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panic.rs:309
[INFO] [stderr]   12:     0x55c13b57ee84 - std[698b411d1b74fcff]::panicking::try::do_call::<std[698b411d1b74fcff]::panic::AssertUnwindSafe<<pond[658f399fbedc8253]::Pool>::run_thread::{closure#0}>, ()>
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panicking.rs:297
[INFO] [stderr]   13:     0x55c13b5d2de9 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:92
[INFO] [stderr]   14:     0x55c13b57f5ad - std[698b411d1b74fcff]::panicking::try::<(), std[698b411d1b74fcff]::panic::AssertUnwindSafe<<pond[658f399fbedc8253]::Pool>::run_thread::{closure#0}>>
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panicking.rs:276
[INFO] [stderr]   15:     0x55c13b57ed62 - std[698b411d1b74fcff]::panic::catch_unwind::<std[698b411d1b74fcff]::panic::AssertUnwindSafe<<pond[658f399fbedc8253]::Pool>::run_thread::{closure#0}>, ()>
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panic.rs:388
[INFO] [stderr]   16:     0x55c13b528089 - <pond[658f399fbedc8253]::Pool>::run_thread
[INFO] [stderr]                                at src/lib.rs:208
[INFO] [stderr]   17:     0x55c13b52916d - <pond[658f399fbedc8253]::Pool>::base_new::{closure#0}
[INFO] [stderr]                                at src/lib.rs:322
[INFO] [stderr]   18:     0x55c13b5740b2 - std[698b411d1b74fcff]::sys_common::backtrace::__rust_begin_short_backtrace::<<pond[658f399fbedc8253]::Pool>::base_new::{closure#0}, ()>
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/sys_common/backtrace.rs:135
[INFO] [stderr]   19:     0x55c13b5717dd - <std[698b411d1b74fcff]::thread::Builder>::spawn_unchecked::<<pond[658f399fbedc8253]::Pool>::base_new::{closure#0}, ()>::{closure#0}::{closure#0}
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/thread/mod.rs:469
[INFO] [stderr]   20:     0x55c13b5812f0 - <std[698b411d1b74fcff]::panic::AssertUnwindSafe<<std[698b411d1b74fcff]::thread::Builder>::spawn_unchecked<<pond[658f399fbedc8253]::Pool>::base_new::{closure#0}, ()>::{closure#0}::{closure#0}> as core[b849d6d0cd70c3a8]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panic.rs:309
[INFO] [stderr]   21:     0x55c13b57ede4 - std[698b411d1b74fcff]::panicking::try::do_call::<std[698b411d1b74fcff]::panic::AssertUnwindSafe<<std[698b411d1b74fcff]::thread::Builder>::spawn_unchecked<<pond[658f399fbedc8253]::Pool>::base_new::{closure#0}, ()>::{closure#0}::{closure#0}>, ()>
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panicking.rs:297
[INFO] [stderr]   22:     0x55c13b5d2de9 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:92
[INFO] [stderr]   23:     0x55c13b57f3dd - std[698b411d1b74fcff]::panicking::try::<(), std[698b411d1b74fcff]::panic::AssertUnwindSafe<<std[698b411d1b74fcff]::thread::Builder>::spawn_unchecked<<pond[658f399fbedc8253]::Pool>::base_new::{closure#0}, ()>::{closure#0}::{closure#0}>>
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panicking.rs:276
[INFO] [stderr]   24:     0x55c13b57ecf2 - std[698b411d1b74fcff]::panic::catch_unwind::<std[698b411d1b74fcff]::panic::AssertUnwindSafe<<std[698b411d1b74fcff]::thread::Builder>::spawn_unchecked<<pond[658f399fbedc8253]::Pool>::base_new::{closure#0}, ()>::{closure#0}::{closure#0}>, ()>
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panic.rs:388
[INFO] [stderr]   25:     0x55c13b5712e5 - <std[698b411d1b74fcff]::thread::Builder>::spawn_unchecked::<<pond[658f399fbedc8253]::Pool>::base_new::{closure#0}, ()>::{closure#0}
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/thread/mod.rs:468
[INFO] [stderr]   26:     0x55c13b573716 - <<std[698b411d1b74fcff]::thread::Builder>::spawn_unchecked<<pond[658f399fbedc8253]::Pool>::base_new::{closure#0}, ()>::{closure#0} as alloc[f4750af829db9b76]::boxed::FnBox<()>>::call_box
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/liballoc/boxed.rs:734
[INFO] [stderr]   27:     0x55c13b5d250d - <std[698b411d1b74fcff]::sys::unix::thread::Thread>::new::thread_start
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/liballoc/boxed.rs:744
[INFO] [stderr]                                at src/libstd/sys_common/thread.rs:14
[INFO] [stderr]                                at src/libstd/sys/unix/thread.rs:81
[INFO] [stderr]   28:     0x7f5919939493 - start_thread
[INFO] [stderr]   29:     0x7f5919464ace - __clone
[INFO] [stderr]   30:                0x0 - <unknown>
[INFO] [stderr] thread '<unnamed>' panicked at 'explicit panic', src/lib.rs:723:7
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55c13b5d0833 - std[698b411d1b74fcff]::sys::unix::backtrace::tracing::imp::unwind_backtrace
[INFO] [stderr]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stderr]    1:     0x55c13b5cc51b - std[698b411d1b74fcff]::sys_common::backtrace::_print
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:70
[INFO] [stderr]    2:     0x55c13b5cf4b6 - std[698b411d1b74fcff]::panicking::default_hook::{closure#1}
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:58
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    3:     0x55c13b5cf234 - std[698b411d1b74fcff]::panicking::default_hook
[INFO] [stderr]                                at src/libstd/panicking.rs:215
[INFO] [stderr]    4:     0x55c13b5cfbc0 - std[698b411d1b74fcff]::panicking::rust_panic_with_hook
[INFO] [stderr]                                at src/libstd/panicking.rs:478
[INFO] [stderr]    5:     0x55c13b5c0607 - std[698b411d1b74fcff]::panicking::begin_panic::<&str>
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panicking.rs:412
[INFO] [stderr]    6:     0x55c13b546c8c - pond[658f399fbedc8253]::tests::thread_panic::{closure#0}::{closure#0}
[INFO] [stderr]                                at src/lib.rs:723
[INFO] [stderr]    7:     0x55c13b527ad1 - <pond[658f399fbedc8253]::FnStateless<pond[658f399fbedc8253]::tests::thread_panic::{closure#0}::{closure#0}> as pond[658f399fbedc8253]::AbstractTask>::run
[INFO] [stderr]                                at src/lib.rs:86
[INFO] [stderr]    8:     0x55c13b528af9 - <pond[658f399fbedc8253]::Pool>::run_thread::{closure#0}
[INFO] [stderr]                                at src/lib.rs:286
[INFO] [stderr]    9:     0x55c13b57a0b2 - <<pond[658f399fbedc8253]::Pool>::run_thread::{closure#0} as core[b849d6d0cd70c3a8]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libcore/ops/function.rs:231
[INFO] [stderr]   10:     0x55c13b581340 - <std[698b411d1b74fcff]::panic::AssertUnwindSafe<<pond[658f399fbedc8253]::Pool>::run_thread::{closure#0}> as core[b849d6d0cd70c3a8]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panic.rs:309
[INFO] [stderr]   11:     0x55c13b57ee84 - std[698b411d1b74fcff]::panicking::try::do_call::<std[698b411d1b74fcff]::panic::AssertUnwindSafe<<pond[658f399fbedc8253]::Pool>::run_thread::{closure#0}>, ()>
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panicking.rs:297
[INFO] [stderr]   12:     0x55c13b5d2de9 - __rust_maybe_catch_panic
[INFO] [stdout] test tests::state_creator_scope ... ok
[INFO] [stdout] test tests::state_maker_panic ... ok
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:92
[INFO] [stderr]   13:     0x55c13b57f5ad - std[698b411d1b74fcff]::panicking::try::<(), std[698b411d1b74fcff]::panic::AssertUnwindSafe<<pond[658f399fbedc8253]::Pool>::run_thread::{closure#0}>>
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panicking.rs:276
[INFO] [stderr]   14:     0x55c13b57ed62 - std[698b411d1b74fcff]::panic::catch_unwind::<std[698b411d1b74fcff]::panic::AssertUnwindSafe<<pond[658f399fbedc8253]::Pool>::run_thread::{closure#0}>, ()>
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panic.rs:388
[INFO] [stderr]   15:     0x55c13b528089 - <pond[658f399fbedc8253]::Pool>::run_thread
[INFO] [stderr]                                at src/lib.rs:208
[INFO] [stderr]   16:     0x55c13b52916d - <pond[658f399fbedc8253]::Pool>::base_new::{closure#0}
[INFO] [stderr]                                at src/lib.rs:322
[INFO] [stderr]   17:     0x55c13b5740b2 - std[698b411d1b74fcff]::sys_common::backtrace::__rust_begin_short_backtrace::<<pond[658f399fbedc8253]::Pool>::base_new::{closure#0}, ()>
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/sys_common/backtrace.rs:135
[INFO] [stderr]   18:     0x55c13b5717dd - <std[698b411d1b74fcff]::thread::Builder>::spawn_unchecked::<<pond[658f399fbedc8253]::Pool>::base_new::{closure#0}, ()>::{closure#0}::{closure#0}
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/thread/mod.rs:469
[INFO] [stderr]   19:     0x55c13b5812f0 - <std[698b411d1b74fcff]::panic::AssertUnwindSafe<<std[698b411d1b74fcff]::thread::Builder>::spawn_unchecked<<pond[658f399fbedc8253]::Pool>::base_new::{closure#0}, ()>::{closure#0}::{closure#0}> as core[b849d6d0cd70c3a8]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panic.rs:309
[INFO] [stderr]   20:     0x55c13b57ede4 - std[698b411d1b74fcff]::panicking::try::do_call::<std[698b411d1b74fcff]::panic::AssertUnwindSafe<<std[698b411d1b74fcff]::thread::Builder>::spawn_unchecked<<pond[658f399fbedc8253]::Pool>::base_new::{closure#0}, ()>::{closure#0}::{closure#0}>, ()>
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panicking.rs:297
[INFO] [stderr]   21:     0x55c13b5d2de9 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:92
[INFO] [stderr]   22:     0x55c13b57f3dd - std[698b411d1b74fcff]::panicking::try::<(), std[698b411d1b74fcff]::panic::AssertUnwindSafe<<std[698b411d1b74fcff]::thread::Builder>::spawn_unchecked<<pond[658f399fbedc8253]::Pool>::base_new::{closure#0}, ()>::{closure#0}::{closure#0}>>
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panicking.rs:276
[INFO] [stderr]   23:     0x55c13b57ecf2 - std[698b411d1b74fcff]::panic::catch_unwind::<std[698b411d1b74fcff]::panic::AssertUnwindSafe<<std[698b411d1b74fcff]::thread::Builder>::spawn_unchecked<<pond[658f399fbedc8253]::Pool>::base_new::{closure#0}, ()>::{closure#0}::{closure#0}>, ()>
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panic.rs:388
[INFO] [stderr]   24:     0x55c13b5712e5 - <std[698b411d1b74fcff]::thread::Builder>::spawn_unchecked::<<pond[658f399fbedc8253]::Pool>::base_new::{closure#0}, ()>::{closure#0}
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/thread/mod.rs:468
[INFO] [stderr]   25:     0x55c13b573716 - <<std[698b411d1b74fcff]::thread::Builder>::spawn_unchecked<<pond[658f399fbedc8253]::Pool>::base_new::{closure#0}, ()>::{closure#0} as alloc[f4750af829db9b76]::boxed::FnBox<()>>::call_box
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/liballoc/boxed.rs:734
[INFO] [stderr]   26:     0x55c13b5d250d - <std[698b411d1b74fcff]::sys::unix::thread::Thread>::new::thread_start
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/liballoc/boxed.rs:744
[INFO] [stderr]                                at src/libstd/sys_common/thread.rs:14
[INFO] [stderr]                                at src/libstd/sys/unix/thread.rs:81
[INFO] [stderr]   27:     0x7f5919939493 - start_thread
[INFO] [stderr]   28:     0x7f5919464ace - __clone
[INFO] [stderr]   29:                0x0 - <unknown>
[INFO] [stdout] test tests::thread_panic ... ok
[INFO] [stdout] test tests::smoketest ... ok
[INFO] [stdout] test tests::many_threads ... ok
[INFO] [stdout] test tests::join_all ... ok
[INFO] [stderr] thread '<unnamed>' panicked at 'explicit panic', src/lib.rs:820:9
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55c13b5d0833 - std[698b411d1b74fcff]::sys::unix::backtrace::tracing::imp::unwind_backtrace
[INFO] [stderr]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stderr]    1:     0x55c13b5cc51b - std[698b411d1b74fcff]::sys_common::backtrace::_print
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:70
[INFO] [stderr]    2:     0x55c13b5cf4b6 - std[698b411d1b74fcff]::panicking::default_hook::{closure#1}
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:58
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    3:     0x55c13b5cf234 - std[698b411d1b74fcff]::panicking::default_hook
[INFO] [stderr]                                at src/libstd/panicking.rs:215
[INFO] [stderr]    4:     0x55c13b5cfbc0 - std[698b411d1b74fcff]::panicking::rust_panic_with_hook
[INFO] [stderr]                                at src/libstd/panicking.rs:478
[INFO] [stderr]    5:     0x55c13b5c0607 - std[698b411d1b74fcff]::panicking::begin_panic::<&str>
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panicking.rs:412
[INFO] [stderr]    6:     0x55c13b547896 - pond[658f399fbedc8253]::tests::join_all_with_thread_panic::{closure#0}::{closure#0}::{closure#0}
[INFO] [stderr]                                at src/lib.rs:820
[INFO] [stderr]    7:     0x55c13b5279d1 - <pond[658f399fbedc8253]::FnStateless<pond[658f399fbedc8253]::tests::join_all_with_thread_panic::{closure#0}::{closure#0}::{closure#0}> as pond[658f399fbedc8253]::AbstractTask>::run
[INFO] [stderr]                                at src/lib.rs:86
[INFO] [stderr]    8:     0x55c13b528af9 - <pond[658f399fbedc8253]::Pool>::run_thread::{closure#0}
[INFO] [stderr]                                at src/lib.rs:286
[INFO] [stderr]    9:     0x55c13b57a0b2 - <<pond[658f399fbedc8253]::Pool>::run_thread::{closure#0} as core[b849d6d0cd70c3a8]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libcore/ops/function.rs:231
[INFO] [stderr]   10:     0x55c13b581340 - <std[698b411d1b74fcff]::panic::AssertUnwindSafe<<pond[658f399fbedc8253]::Pool>::run_thread::{closure#0}> as core[b849d6d0cd70c3a8]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panic.rs:309
[INFO] [stderr]   11:     0x55c13b57ee84 - std[698b411d1b74fcff]::panicking::try::do_call::<std[698b411d1b74fcff]::panic::AssertUnwindSafe<<pond[658f399fbedc8253]::Pool>::run_thread::{closure#0}>, ()>
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panicking.rs:297
[INFO] [stderr]   12:     0x55c13b5d2de9 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:92
[INFO] [stderr]   13:     0x55c13b57f5ad - std[698b411d1b74fcff]::panicking::try::<(), std[698b411d1b74fcff]::panic::AssertUnwindSafe<<pond[658f399fbedc8253]::Pool>::run_thread::{closure#0}>>
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panicking.rs:276
[INFO] [stderr]   14:     0x55c13b57ed62 - std[698b411d1b74fcff]::panic::catch_unwind::<std[698b411d1b74fcff]::panic::AssertUnwindSafe<<pond[658f399fbedc8253]::Pool>::run_thread::{closure#0}>, ()>
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panic.rs:388
[INFO] [stderr]   15:     0x55c13b528089 - <pond[658f399fbedc8253]::Pool>::run_thread
[INFO] [stderr]                                at src/lib.rs:208
[INFO] [stderr]   16:     0x55c13b52916d - <pond[658f399fbedc8253]::Pool>::base_new::{closure#0}
[INFO] [stderr]                                at src/lib.rs:322
[INFO] [stderr]   17:     0x55c13b5740b2 - std[698b411d1b74fcff]::sys_common::backtrace::__rust_begin_short_backtrace::<<pond[658f399fbedc8253]::Pool>::base_new::{closure#0}, ()>
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/sys_common/backtrace.rs:135
[INFO] [stderr]   18:     0x55c13b5717dd - <std[698b411d1b74fcff]::thread::Builder>::spawn_unchecked::<<pond[658f399fbedc8253]::Pool>::base_new::{closure#0}, ()>::{closure#0}::{closure#0}
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/thread/mod.rs:469
[INFO] [stderr]   19:     0x55c13b5812f0 - <std[698b411d1b74fcff]::panic::AssertUnwindSafe<<std[698b411d1b74fcff]::thread::Builder>::spawn_unchecked<<pond[658f399fbedc8253]::Pool>::base_new::{closure#0}, ()>::{closure#0}::{closure#0}> as core[b849d6d0cd70c3a8]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panic.rs:309
[INFO] [stderr]   20:     0x55c13b57ede4 - std[698b411d1b74fcff]::panicking::try::do_call::<std[698b411d1b74fcff]::panic::AssertUnwindSafe<<std[698b411d1b74fcff]::thread::Builder>::spawn_unchecked<<pond[658f399fbedc8253]::Pool>::base_new::{closure#0}, ()>::{closure#0}::{closure#0}>, ()>
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panicking.rs:297
[INFO] [stderr]   21:     0x55c13b5d2de9 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:92
[INFO] [stderr]   22:     0x55c13b57f3dd - std[698b411d1b74fcff]::panicking::try::<(), std[698b411d1b74fcff]::panic::AssertUnwindSafe<<std[698b411d1b74fcff]::thread::Builder>::spawn_unchecked<<pond[658f399fbedc8253]::Pool>::base_new::{closure#0}, ()>::{closure#0}::{closure#0}>>
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panicking.rs:276
[INFO] [stderr]   23:     0x55c13b57ecf2 - std[698b411d1b74fcff]::panic::catch_unwind::<std[698b411d1b74fcff]::panic::AssertUnwindSafe<<std[698b411d1b74fcff]::thread::Builder>::spawn_unchecked<<pond[658f399fbedc8253]::Pool>::base_new::{closure#0}, ()>::{closure#0}::{closure#0}>, ()>
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panic.rs:388
[INFO] [stderr]   24:     0x55c13b5712e5 - <std[698b411d1b74fcff]::thread::Builder>::spawn_unchecked::<<pond[658f399fbedc8253]::Pool>::base_new::{closure#0}, ()>::{closure#0}
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/thread/mod.rs:468
[INFO] [stderr]   25:     0x55c13b573716 - <<std[698b411d1b74fcff]::thread::Builder>::spawn_unchecked<<pond[658f399fbedc8253]::Pool>::base_new::{closure#0}, ()>::{closure#0} as alloc[f4750af829db9b76]::boxed::FnBox<()>>::call_box
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/liballoc/boxed.rs:734
[INFO] [stderr]   26:     0x55c13b5d250d - <std[698b411d1b74fcff]::sys::unix::thread::Thread>::new::thread_start
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/liballoc/boxed.rs:744
[INFO] [stderr]                                at src/libstd/sys_common/thread.rs:14
[INFO] [stderr]                                at src/libstd/sys/unix/thread.rs:81
[INFO] [stderr]   27:     0x7f5919939493 - start_thread
[INFO] [stderr]   28:     0x7f5919464ace - __clone
[INFO] [stderr]   29:                0x0 - <unknown>
[INFO] [stderr] thread '<unnamed>' panicked at 'worker thread panicked', src/lib.rs:375:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55c13b5d0833 - std[698b411d1b74fcff]::sys::unix::backtrace::tracing::imp::unwind_backtrace
[INFO] [stderr]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stderr]    1:     0x55c13b5cc51b - std[698b411d1b74fcff]::sys_common::backtrace::_print
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:70
[INFO] [stderr]    2:     0x55c13b5cf4b6 - std[698b411d1b74fcff]::panicking::default_hook::{closure#1}
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:58
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    3:     0x55c13b5cf234 - std[698b411d1b74fcff]::panicking::default_hook
[INFO] [stderr]                                at src/libstd/panicking.rs:215
[INFO] [stderr]    4:     0x55c13b5cfbc0 - std[698b411d1b74fcff]::panicking::rust_panic_with_hook
[INFO] [stderr]                                at src/libstd/panicking.rs:478
[INFO] [stderr]    5:     0x55c13b5c0607 - std[698b411d1b74fcff]::panicking::begin_panic::<&str>
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panicking.rs:412
[INFO] [stderr]    6:     0x55c13b529972 - <pond[658f399fbedc8253]::Pool>::scoped::<pond[658f399fbedc8253]::tests::join_all_with_thread_panic::{closure#0}::{closure#0}>
[INFO] [stderr]                                at src/lib.rs:375
[INFO] [stderr]    7:     0x55c13b547a87 - pond[658f399fbedc8253]::tests::join_all_with_thread_panic::{closure#0}
[INFO] [stderr]                                at src/lib.rs:813
[INFO] [stderr]    8:     0x55c13b5740da - std[698b411d1b74fcff]::sys_common::backtrace::__rust_begin_short_backtrace::<pond[658f399fbedc8253]::tests::join_all_with_thread_panic::{closure#0}, ()>
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/sys_common/backtrace.rs:135
[INFO] [stderr]    9:     0x55c13b5717fc - <std[698b411d1b74fcff]::thread::Builder>::spawn_unchecked::<pond[658f399fbedc8253]::tests::join_all_with_thread_panic::{closure#0}, ()>::{closure#0}::{closure#0}
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/thread/mod.rs:469
[INFO] [stderr]   10:     0x55c13b58131c - <std[698b411d1b74fcff]::panic::AssertUnwindSafe<<std[698b411d1b74fcff]::thread::Builder>::spawn_unchecked<pond[658f399fbedc8253]::tests::join_all_with_thread_panic::{closure#0}, ()>::{closure#0}::{closure#0}> as core[b849d6d0cd70c3a8]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panic.rs:309
[INFO] [stderr]   11:     0x55c13b57ee3f - std[698b411d1b74fcff]::panicking::try::do_call::<std[698b411d1b74fcff]::panic::AssertUnwindSafe<<std[698b411d1b74fcff]::thread::Builder>::spawn_unchecked<pond[658f399fbedc8253]::tests::join_all_with_thread_panic::{closure#0}, ()>::{closure#0}::{closure#0}>, ()>
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panicking.rs:297
[INFO] [stderr]   12:     0x55c13b5d2de9 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:92
[INFO] [stderr]   13:     0x55c13b57f4c2 - std[698b411d1b74fcff]::panicking::try::<(), std[698b411d1b74fcff]::panic::AssertUnwindSafe<<std[698b411d1b74fcff]::thread::Builder>::spawn_unchecked<pond[658f399fbedc8253]::tests::join_all_with_thread_panic::{closure#0}, ()>::{closure#0}::{closure#0}>>
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panicking.rs:276
[INFO] [stderr]   14:     0x55c13b57ed2c - std[698b411d1b74fcff]::panic::catch_unwind::<std[698b411d1b74fcff]::panic::AssertUnwindSafe<<std[698b411d1b74fcff]::thread::Builder>::spawn_unchecked<pond[658f399fbedc8253]::tests::join_all_with_thread_panic::{closure#0}, ()>::{closure#0}::{closure#0}>, ()>
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panic.rs:388
[INFO] [stderr]   15:     0x55c13b5715f9 - <std[698b411d1b74fcff]::thread::Builder>::spawn_unchecked::<pond[658f399fbedc8253]::tests::join_all_with_thread_panic::{closure#0}, ()>::{closure#0}
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/thread/mod.rs:468
[INFO] [stderr]   16:     0x55c13b573776 - <<std[698b411d1b74fcff]::thread::Builder>::spawn_unchecked<pond[658f399fbedc8253]::tests::join_all_with_thread_panic::{closure#0}, ()>::{closure#0} as alloc[f4750af829db9b76]::boxed::FnBox<()>>::call_box
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/liballoc/boxed.rs:734
[INFO] [stderr]   17:     0x55c13b5d250d - <std[698b411d1b74fcff]::sys::unix::thread::Thread>::new::thread_start
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/liballoc/boxed.rs:744
[INFO] [stderr]                                at src/libstd/sys_common/thread.rs:14
[INFO] [stderr]                                at src/libstd/sys/unix/thread.rs:81
[INFO] [stderr]   18:     0x7f5919939493 - start_thread
[INFO] [stderr]   19:     0x7f5919464ace - __clone
[INFO] [stderr]   20:                0x0 - <unknown>
[INFO] [stdout] test tests::join_all_with_thread_panic ... ok
[INFO] [stdout] test tests::backlog_positive ... ok
[INFO] [stdout] test tests::backlog_negative ... ok
[INFO] [stdout] test tests::do_them_all ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests pond
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs -  (line 15) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "3789f40750f31dc62362dd6ca883f0f51b03dd32884c5c21c8a5098e14995c59"`
[INFO] running `"docker" "rm" "-f" "3789f40750f31dc62362dd6ca883f0f51b03dd32884c5c21c8a5098e14995c59"`
[INFO] [stdout] 3789f40750f31dc62362dd6ca883f0f51b03dd32884c5c21c8a5098e14995c59