[INFO] cloning repository https://github.com/catunlock/numbers-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/catunlock/numbers-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcatunlock%2Fnumbers-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcatunlock%2Fnumbers-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a6d587c6f43348d021ce5e15059abea91ba7da4c
[INFO] testing catunlock/numbers-rust against master#cced03bfd61a304243a34504618ecec86c17063f for pr-154065-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcatunlock%2Fnumbers-rust" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/catunlock/numbers-rust
[INFO] finished tweaking git repo https://github.com/catunlock/numbers-rust
[INFO] tweaked toml for git repo https://github.com/catunlock/numbers-rust written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/catunlock/numbers-rust on toolchain cced03bfd61a304243a34504618ecec86c17063f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/catunlock/numbers-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 08c350f8102a5c647e0e1dd7f1dc83e1929eeb11dfe1d757d4969f9ffde49357
[INFO] running `Command { std: "docker" "start" "-a" "08c350f8102a5c647e0e1dd7f1dc83e1929eeb11dfe1d757d4969f9ffde49357", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08c350f8102a5c647e0e1dd7f1dc83e1929eeb11dfe1d757d4969f9ffde49357", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08c350f8102a5c647e0e1dd7f1dc83e1929eeb11dfe1d757d4969f9ffde49357", kill_on_drop: false }`
[INFO] [stdout] 08c350f8102a5c647e0e1dd7f1dc83e1929eeb11dfe1d757d4969f9ffde49357
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c3277e29d629073138d346b4cd028cd2866fd309c092f82f1d542647de14aa5a
[INFO] running `Command { std: "docker" "start" "-a" "c3277e29d629073138d346b4cd028cd2866fd309c092f82f1d542647de14aa5a", kill_on_drop: false }`
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling threadpool v1.8.1
[INFO] [stderr]    Compiling flap_challenge v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.49s
[INFO] running `Command { std: "docker" "inspect" "c3277e29d629073138d346b4cd028cd2866fd309c092f82f1d542647de14aa5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3277e29d629073138d346b4cd028cd2866fd309c092f82f1d542647de14aa5a", kill_on_drop: false }`
[INFO] [stdout] c3277e29d629073138d346b4cd028cd2866fd309c092f82f1d542647de14aa5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e23ee13d93e7b01ca0a6c59e8d99821f39c8d88fdd47d5b290d1f4978ab2434f
[INFO] running `Command { std: "docker" "start" "-a" "e23ee13d93e7b01ca0a6c59e8d99821f39c8d88fdd47d5b290d1f4978ab2434f", kill_on_drop: false }`
[INFO] [stderr]    Compiling flap_challenge v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "e23ee13d93e7b01ca0a6c59e8d99821f39c8d88fdd47d5b290d1f4978ab2434f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e23ee13d93e7b01ca0a6c59e8d99821f39c8d88fdd47d5b290d1f4978ab2434f", kill_on_drop: false }`
[INFO] [stdout] e23ee13d93e7b01ca0a6c59e8d99821f39c8d88fdd47d5b290d1f4978ab2434f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 144c834883ca585ab9624f001be044a4f4064a2aefc18c987d62dc95a588e73f
[INFO] running `Command { std: "docker" "start" "-a" "144c834883ca585ab9624f001be044a4f4064a2aefc18c987d62dc95a588e73f", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/flap_challenge-55cca0f309fbc471)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::single_client_fail ... FAILED
[INFO] [stdout] test tests::single_client ... FAILED
[INFO] [stdout] test tests::multi_client ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::single_client_fail stdout ----
[INFO] [stdout] Error: Os { code: 111, kind: ConnectionRefused, message: "Connection refused" }
[INFO] [stdout] 
[INFO] [stdout] ---- tests::single_client stdout ----
[INFO] [stdout] Error: Os { code: 111, kind: ConnectionRefused, message: "Connection refused" }
[INFO] [stdout] 
[INFO] [stdout] ---- tests::multi_client stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (20) panicked at src/lib.rs:105:60:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 111, kind: ConnectionRefused, message: "Connection refused" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5ebdf7212988 - std[929523f510218772]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5ebdf7212988 - std[929523f510218772]::backtrace_rs::backtrace::trace_unsynchronized::<std[929523f510218772]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5ebdf7212988 - std[929523f510218772]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5ebdf7212988 - <<std[929523f510218772]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[28b146924c2f19c6]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5ebdf72277fa - <core[28b146924c2f19c6]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5ebdf72277fa - core[28b146924c2f19c6]::fmt::write
[INFO] [stdout]    6:     0x5ebdf7217612 - std[929523f510218772]::io::default_write_fmt::<alloc[95e62e727ddf147d]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x5ebdf7217612 - <alloc[95e62e727ddf147d]::vec::Vec<u8> as std[929523f510218772]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x5ebdf71f1176 - <std[929523f510218772]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5ebdf71f1176 - std[929523f510218772]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5ebdf720aaa9 - std[929523f510218772]::panicking::default_hook
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5ebdf718953c - <alloc[95e62e727ddf147d]::boxed::Box<dyn for<'a, 'b> core[28b146924c2f19c6]::ops::function::Fn<(&'a std[929523f510218772]::panic::PanicHookInfo<'b>,), Output = ()> + core[28b146924c2f19c6]::marker::Sync + core[28b146924c2f19c6]::marker::Send> as core[28b146924c2f19c6]::ops::function::Fn<(&std[929523f510218772]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/alloc/src/boxed.rs:2291:9
[INFO] [stdout]   12:     0x5ebdf718953c - test[6ec0502068880816]::test_main_inner::<test[6ec0502068880816]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x5ebdf720ac62 - <alloc[95e62e727ddf147d]::boxed::Box<dyn for<'a, 'b> core[28b146924c2f19c6]::ops::function::Fn<(&'a std[929523f510218772]::panic::PanicHookInfo<'b>,), Output = ()> + core[28b146924c2f19c6]::marker::Sync + core[28b146924c2f19c6]::marker::Send> as core[28b146924c2f19c6]::ops::function::Fn<(&std[929523f510218772]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/alloc/src/boxed.rs:2291:9
[INFO] [stdout]   14:     0x5ebdf720ac62 - std[929523f510218772]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5ebdf71f1232 - std[929523f510218772]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x5ebdf71e6389 - std[929523f510218772]::sys::backtrace::__rust_end_short_backtrace::<std[929523f510218772]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5ebdf71f210d - __rustc[acf6043c977865fb]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5ebdf7227f8c - core[28b146924c2f19c6]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5ebdf7227d02 - core[28b146924c2f19c6]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/result.rs:1872:5
[INFO] [stdout]   20:     0x5ebdf7171d47 - <core[28b146924c2f19c6]::result::Result<(), std[929523f510218772]::io::error::Error>>::unwrap
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x5ebdf7171d47 - flap_challenge[31d148ae4dc316c4]::tests::multi_client::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:105:60
[INFO] [stdout]   22:     0x5ebdf7175c26 - <flap_challenge[31d148ae4dc316c4]::tests::multi_client::{closure#0} as threadpool[debb1c255be6fccb]::FnBox>::call_box
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/threadpool-1.8.1/src/lib.rs:95:9
[INFO] [stdout]   23:     0x5ebdf71c09f9 - threadpool[debb1c255be6fccb]::spawn_in_pool::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/threadpool-1.8.1/src/lib.rs:769:21
[INFO] [stdout]   24:     0x5ebdf71c76fe - std[929523f510218772]::sys::backtrace::__rust_begin_short_backtrace::<threadpool[debb1c255be6fccb]::spawn_in_pool::{closure#0}, ()>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   25:     0x5ebdf71c917f - std[929523f510218772]::thread::lifecycle::spawn_unchecked::<threadpool[debb1c255be6fccb]::spawn_in_pool::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   26:     0x5ebdf71cce31 - <core[28b146924c2f19c6]::panic::unwind_safe::AssertUnwindSafe<std[929523f510218772]::thread::lifecycle::spawn_unchecked<threadpool[debb1c255be6fccb]::spawn_in_pool::{closure#0}, ()>::{closure#1}::{closure#0}> as core[28b146924c2f19c6]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   27:     0x5ebdf71c85cb - std[929523f510218772]::panicking::catch_unwind::do_call::<core[28b146924c2f19c6]::panic::unwind_safe::AssertUnwindSafe<std[929523f510218772]::thread::lifecycle::spawn_unchecked<threadpool[debb1c255be6fccb]::spawn_in_pool::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:581:40
[INFO] [stdout]   28:     0x5ebdf71ccfeb - __rust_try
[INFO] [stdout]   29:     0x5ebdf71c8ce2 - std[929523f510218772]::panicking::catch_unwind::<(), core[28b146924c2f19c6]::panic::unwind_safe::AssertUnwindSafe<std[929523f510218772]::thread::lifecycle::spawn_unchecked<threadpool[debb1c255be6fccb]::spawn_in_pool::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x5ebdf71c8ce2 - std[929523f510218772]::panic::catch_unwind::<core[28b146924c2f19c6]::panic::unwind_safe::AssertUnwindSafe<std[929523f510218772]::thread::lifecycle::spawn_unchecked<threadpool[debb1c255be6fccb]::spawn_in_pool::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5ebdf71c8ce2 - std[929523f510218772]::thread::lifecycle::spawn_unchecked::<threadpool[debb1c255be6fccb]::spawn_in_pool::{closure#0}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   32:     0x5ebdf71c159f - <std[929523f510218772]::thread::lifecycle::spawn_unchecked<threadpool[debb1c255be6fccb]::spawn_in_pool::{closure#0}, ()>::{closure#1} as core[28b146924c2f19c6]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   33:     0x5ebdf7211fdf - <alloc[95e62e727ddf147d]::boxed::Box<dyn core[28b146924c2f19c6]::ops::function::FnOnce<(), Output = ()> + core[28b146924c2f19c6]::marker::Send> as core[28b146924c2f19c6]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/alloc/src/boxed.rs:2277:9
[INFO] [stdout]   34:     0x5ebdf7211fdf - <std[929523f510218772]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   35:     0x719e65112aa4 - <unknown>
[INFO] [stdout]   36:     0x719e6519fa64 - clone
[INFO] [stdout]   37:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (23) panicked at src/lib.rs:105:60:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 111, kind: ConnectionRefused, message: "Connection refused" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5ebdf7212988 - std[929523f510218772]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5ebdf7212988 - std[929523f510218772]::backtrace_rs::backtrace::trace_unsynchronized::<std[929523f510218772]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5ebdf7212988 - std[929523f510218772]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5ebdf7212988 - <<std[929523f510218772]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[28b146924c2f19c6]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5ebdf72277fa - <core[28b146924c2f19c6]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stdout]    5:     0x5ebdf72277fa - core[28b146924c2f19c6]::fmt::write
[INFO] [stdout]    6:     0x5ebdf7217612 - std[929523f510218772]::io::default_write_fmt::<alloc[95e62e727ddf147d]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x5ebdf7217612 - <alloc[95e62e727ddf147d]::vec::Vec<u8> as std[929523f510218772]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x5ebdf71f1176 - <std[929523f510218772]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5ebdf71f1176 - std[929523f510218772]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5ebdf720aaa9 - std[929523f510218772]::panicking::default_hook
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5ebdf718953c - <alloc[95e62e727ddf147d]::boxed::Box<dyn for<'a, 'b> core[28b146924c2f19c6]::ops::function::Fn<(&'a std[929523f510218772]::panic::PanicHookInfo<'b>,), Output = ()> + core[28b146924c2f19c6]::marker::Sync + core[28b146924c2f19c6]::marker::Send> as core[28b146924c2f19c6]::ops::function::Fn<(&std[929523f510218772]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/alloc/src/boxed.rs:2291:9
[INFO] [stdout]   12:     0x5ebdf718953c - test[6ec0502068880816]::test_main_inner::<test[6ec0502068880816]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x5ebdf720ac62 - <alloc[95e62e727ddf147d]::boxed::Box<dyn for<'a, 'b> core[28b146924c2f19c6]::ops::function::Fn<(&'a std[929523f510218772]::panic::PanicHookInfo<'b>,), Output = ()> + core[28b146924c2f19c6]::marker::Sync + core[28b146924c2f19c6]::marker::Send> as core[28b146924c2f19c6]::ops::function::Fn<(&std[929523f510218772]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/alloc/src/boxed.rs:2291:9
[INFO] [stdout]   14:     0x5ebdf720ac62 - std[929523f510218772]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5ebdf71f1232 - std[929523f510218772]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x5ebdf71e6389 - std[929523f510218772]::sys::backtrace::__rust_end_short_backtrace::<std[929523f510218772]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5ebdf71f210d - __rustc[acf6043c977865fb]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5ebdf7227f8c - core[28b146924c2f19c6]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5ebdf7227d02 - core[28b146924c2f19c6]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/result.rs:1872:5
[INFO] [stdout]   20:     0x5ebdf7171d47 - <core[28b146924c2f19c6]::result::Result<(), std[929523f510218772]::io::error::Error>>::unwrap
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x5ebdf7171d47 - flap_challenge[31d148ae4dc316c4]::tests::multi_client::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:105:60
[INFO] [stdout]   22:     0x5ebdf7175c26 - <flap_challenge[31d148ae4dc316c4]::tests::multi_client::{closure#0} as threadpool[debb1c255be6fccb]::FnBox>::call_box
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/threadpool-1.8.1/src/lib.rs:95:9
[INFO] [stdout]   23:     0x5ebdf71c09f9 - threadpool[debb1c255be6fccb]::spawn_in_pool::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/threadpool-1.8.1/src/lib.rs:769:21
[INFO] [stdout]   24:     0x5ebdf71c76fe - std[929523f510218772]::sys::backtrace::__rust_begin_short_backtrace::<threadpool[debb1c255be6fccb]::spawn_in_pool::{closure#0}, ()>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   25:     0x5ebdf71c917f - std[929523f510218772]::thread::lifecycle::spawn_unchecked::<threadpool[debb1c255be6fccb]::spawn_in_pool::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   26:     0x5ebdf71cce31 - <core[28b146924c2f19c6]::panic::unwind_safe::AssertUnwindSafe<std[929523f510218772]::thread::lifecycle::spawn_unchecked<threadpool[debb1c255be6fccb]::spawn_in_pool::{closure#0}, ()>::{closure#1}::{closure#0}> as core[28b146924c2f19c6]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   27:     0x5ebdf71c85cb - std[929523f510218772]::panicking::catch_unwind::do_call::<core[28b146924c2f19c6]::panic::unwind_safe::AssertUnwindSafe<std[929523f510218772]::thread::lifecycle::spawn_unchecked<threadpool[debb1c255be6fccb]::spawn_in_pool::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:581:40
[INFO] [stdout]   28:     0x5ebdf71ccfeb - __rust_try
[INFO] [stdout]   29:     0x5ebdf71c8ce2 - std[929523f510218772]::panicking::catch_unwind::<(), core[28b146924c2f19c6]::panic::unwind_safe::AssertUnwindSafe<std[929523f510218772]::thread::lifecycle::spawn_unchecked<threadpool[debb1c255be6fccb]::spawn_in_pool::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x5ebdf71c8ce2 - std[929523f510218772]::panic::catch_unwind::<core[28b146924c2f19c6]::panic::unwind_safe::AssertUnwindSafe<std[929523f510218772]::thread::lifecycle::spawn_unchecked<threadpool[debb1c255be6fccb]::spawn_in_pool::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5ebdf71c8ce2 - std[929523f510218772]::thread::lifecycle::spawn_unchecked::<threadpool[debb1c255be6fccb]::spawn_in_pool::{closure#0}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   32:     0x5ebdf71c159f - <std[929523f510218772]::thread::lifecycle::spawn_unchecked<threadpool[debb1c255be6fccb]::spawn_in_pool::{closure#0}, ()>::{closure#1} as core[28b146924c2f19c6]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   33:     0x5ebdf7211fdf - <alloc[95e62e727ddf147d]::boxed::Box<dyn core[28b146924c2f19c6]::ops::function::FnOnce<(), Output = ()> + core[28b146924c2f19c6]::marker::Send> as core[28b146924c2f19c6]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/alloc/src/boxed.rs:2277:9
[INFO] [stdout]   34:     0x5ebdf7211fdf - <std[929523f510218772]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   35:     0x719e65112aa4 - <unknown>
[INFO] [stdout]   36:     0x719e6519fa64 - clone
[INFO] [stdout]   37:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (24) panicked at src/lib.rs:105:60:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 111, kind: ConnectionRefused, message: "Connection refused" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5ebdf7212988 - std[929523f510218772]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5ebdf7212988 - std[929523f510218772]::backtrace_rs::backtrace::trace_unsynchronized::<std[929523f510218772]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5ebdf7212988 - std[929523f510218772]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5ebdf7212988 - <<std[929523f510218772]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[28b146924c2f19c6]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5ebdf72277fa - <core[28b146924c2f19c6]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5ebdf72277fa - core[28b146924c2f19c6]::fmt::write
[INFO] [stdout]    6:     0x5ebdf7217612 - std[929523f510218772]::io::default_write_fmt::<alloc[95e62e727ddf147d]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x5ebdf7217612 - <alloc[95e62e727ddf147d]::vec::Vec<u8> as std[929523f510218772]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x5ebdf71f1176 - <std[929523f510218772]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5ebdf71f1176 - std[929523f510218772]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5ebdf720aaa9 - std[929523f510218772]::panicking::default_hook
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5ebdf718953c - <alloc[95e62e727ddf147d]::boxed::Box<dyn for<'a, 'b> core[28b146924c2f19c6]::ops::function::Fn<(&'a std[929523f510218772]::panic::PanicHookInfo<'b>,), Output = ()> + core[28b146924c2f19c6]::marker::Sync + core[28b146924c2f19c6]::marker::Send> as core[28b146924c2f19c6]::ops::function::Fn<(&std[929523f510218772]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/alloc/src/boxed.rs:2291:9
[INFO] [stdout]   12:     0x5ebdf718953c - test[6ec0502068880816]::test_main_inner::<test[6ec0502068880816]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x5ebdf720ac62 - <alloc[95e62e727ddf147d]::boxed::Box<dyn for<'a, 'b> core[28b146924c2f19c6]::ops::function::Fn<(&'a std[929523f510218772]::panic::PanicHookInfo<'b>,), Output = ()> + core[28b146924c2f19c6]::marker::Sync + core[28b146924c2f19c6]::marker::Send> as core[28b146924c2f19c6]::ops::function::Fn<(&std[929523f510218772]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/alloc/src/boxed.rs:2291:9
[INFO] [stdout]   14:     0x5ebdf720ac62 - std[929523f510218772]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5ebdf71f1232 - std[929523f510218772]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x5ebdf71e6389 - std[929523f510218772]::sys::backtrace::__rust_end_short_backtrace::<std[929523f510218772]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5ebdf71f210d - __rustc[acf6043c977865fb]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5ebdf7227f8c - core[28b146924c2f19c6]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5ebdf7227d02 - core[28b146924c2f19c6]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/result.rs:1872:5
[INFO] [stdout]   20:     0x5ebdf7171d47 - <core[28b146924c2f19c6]::result::Result<(), std[929523f510218772]::io::error::Error>>::unwrap
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x5ebdf7171d47 - flap_challenge[31d148ae4dc316c4]::tests::multi_client::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:105:60
[INFO] [stdout]   22:     0x5ebdf7175c26 - <flap_challenge[31d148ae4dc316c4]::tests::multi_client::{closure#0} as threadpool[debb1c255be6fccb]::FnBox>::call_box
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/threadpool-1.8.1/src/lib.rs:95:9
[INFO] [stdout]   23:     0x5ebdf71c09f9 - threadpool[debb1c255be6fccb]::spawn_in_pool::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/threadpool-1.8.1/src/lib.rs:769:21
[INFO] [stdout]   24:     0x5ebdf71c76fe - std[929523f510218772]::sys::backtrace::__rust_begin_short_backtrace::<threadpool[debb1c255be6fccb]::spawn_in_pool::{closure#0}, ()>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   25:     0x5ebdf71c917f - std[929523f510218772]::thread::lifecycle::spawn_unchecked::<threadpool[debb1c255be6fccb]::spawn_in_pool::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   26:     0x5ebdf71cce31 - <core[28b146924c2f19c6]::panic::unwind_safe::AssertUnwindSafe<std[929523f510218772]::thread::lifecycle::spawn_unchecked<threadpool[debb1c255be6fccb]::spawn_in_pool::{closure#0}, ()>::{closure#1}::{closure#0}> as core[28b146924c2f19c6]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   27:     0x5ebdf71c85cb - std[929523f510218772]::panicking::catch_unwind::do_call::<core[28b146924c2f19c6]::panic::unwind_safe::AssertUnwindSafe<std[929523f510218772]::thread::lifecycle::spawn_unchecked<threadpool[debb1c255be6fccb]::spawn_in_pool::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:581:40
[INFO] [stdout]   28:     0x5ebdf71ccfeb - __rust_try
[INFO] [stdout]   29:     0x5ebdf71c8ce2 - std[929523f510218772]::panicking::catch_unwind::<(), core[28b146924c2f19c6]::panic::unwind_safe::AssertUnwindSafe<std[929523f510218772]::thread::lifecycle::spawn_unchecked<threadpool[debb1c255be6fccb]::spawn_in_pool::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x5ebdf71c8ce2 - std[929523f510218772]::panic::catch_unwind::<core[28b146924c2f19c6]::panic::unwind_safe::AssertUnwindSafe<std[929523f510218772]::thread::lifecycle::spawn_unchecked<threadpool[debb1c255be6fccb]::spawn_in_pool::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5ebdf71c8ce2 - std[929523f510218772]::thread::lifecycle::spawn_unchecked::<threadpool[debb1c255be6fccb]::spawn_in_pool::{closure#0}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   32:     0x5ebdf71c159f - <std[929523f510218772]::thread::lifecycle::spawn_unchecked<threadpool[debb1c255be6fccb]::spawn_in_pool::{closure#0}, ()>::{closure#1} as core[28b146924c2f19c6]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   33:     0x5ebdf7211fdf - <alloc[95e62e727ddf147d]::boxed::Box<dyn core[28b146924c2f19c6]::ops::function::FnOnce<(), Output = ()> + core[28b146924c2f19c6]::marker::Send> as core[28b146924c2f19c6]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/alloc/src/boxed.rs:2277:9
[INFO] [stdout]   34:     0x5ebdf7211fdf - <std[929523f510218772]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   35:     0x719e65112aa4 - <unknown>
[INFO] [stdout]   36:     0x719e6519fa64 - clone
[INFO] [stdout]   37:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (22) panicked at src/lib.rs:105:60:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 111, kind: ConnectionRefused, message: "Connection refused" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5ebdf7212988 - std[929523f510218772]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5ebdf7212988 - std[929523f510218772]::backtrace_rs::backtrace::trace_unsynchronized::<std[929523f510218772]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5ebdf7212988 - std[929523f510218772]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5ebdf7212988 - <<std[929523f510218772]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[28b146924c2f19c6]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5ebdf72277fa - <core[28b146924c2f19c6]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5ebdf72277fa - core[28b146924c2f19c6]::fmt::write
[INFO] [stdout]    6:     0x5ebdf7217612 - std[929523f510218772]::io::default_write_fmt::<alloc[95e62e727ddf147d]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x5ebdf7217612 - <alloc[95e62e727ddf147d]::vec::Vec<u8> as std[929523f510218772]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x5ebdf71f1176 - <std[929523f510218772]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5ebdf71f1176 - std[929523f510218772]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5ebdf720aaa9 - std[929523f510218772]::panicking::default_hook
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5ebdf718953c - <alloc[95e62e727ddf147d]::boxed::Box<dyn for<'a, 'b> core[28b146924c2f19c6]::ops::function::Fn<(&'a std[929523f510218772]::panic::PanicHookInfo<'b>,), Output = ()> + core[28b146924c2f19c6]::marker::Sync + core[28b146924c2f19c6]::marker::Send> as core[28b146924c2f19c6]::ops::function::Fn<(&std[929523f510218772]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/alloc/src/boxed.rs:2291:9
[INFO] [stdout]   12:     0x5ebdf718953c - test[6ec0502068880816]::test_main_inner::<test[6ec0502068880816]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x5ebdf720ac62 - <alloc[95e62e727ddf147d]::boxed::Box<dyn for<'a, 'b> core[28b146924c2f19c6]::ops::function::Fn<(&'a std[929523f510218772]::panic::PanicHookInfo<'b>,), Output = ()> + core[28b146924c2f19c6]::marker::Sync + core[28b146924c2f19c6]::marker::Send> as core[28b146924c2f19c6]::ops::function::Fn<(&std[929523f510218772]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/alloc/src/boxed.rs:2291:9
[INFO] [stdout]   14:     0x5ebdf720ac62 - std[929523f510218772]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5ebdf71f1232 - std[929523f510218772]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x5ebdf71e6389 - std[929523f510218772]::sys::backtrace::__rust_end_short_backtrace::<std[929523f510218772]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5ebdf71f210d - __rustc[acf6043c977865fb]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5ebdf7227f8c - core[28b146924c2f19c6]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5ebdf7227d02 - core[28b146924c2f19c6]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/result.rs:1872:5
[INFO] [stdout]   20:     0x5ebdf7171d47 - <core[28b146924c2f19c6]::result::Result<(), std[929523f510218772]::io::error::Error>>::unwrap
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x5ebdf7171d47 - flap_challenge[31d148ae4dc316c4]::tests::multi_client::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:105:60
[INFO] [stdout]   22:     0x5ebdf7175c26 - <flap_challenge[31d148ae4dc316c4]::tests::multi_client::{closure#0} as threadpool[debb1c255be6fccb]::FnBox>::call_box
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/threadpool-1.8.1/src/lib.rs:95:9
[INFO] [stdout]   23:     0x5ebdf71c09f9 - threadpool[debb1c255be6fccb]::spawn_in_pool::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/threadpool-1.8.1/src/lib.rs:769:21
[INFO] [stdout]   24:     0x5ebdf71c76fe - std[929523f510218772]::sys::backtrace::__rust_begin_short_backtrace::<threadpool[debb1c255be6fccb]::spawn_in_pool::{closure#0}, ()>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   25:     0x5ebdf71c917f - std[929523f510218772]::thread::lifecycle::spawn_unchecked::<threadpool[debb1c255be6fccb]::spawn_in_pool::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   26:     0x5ebdf71cce31 - <core[28b146924c2f19c6]::panic::unwind_safe::AssertUnwindSafe<std[929523f510218772]::thread::lifecycle::spawn_unchecked<threadpool[debb1c255be6fccb]::spawn_in_pool::{closure#0}, ()>::{closure#1}::{closure#0}> as core[28b146924c2f19c6]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   27:     0x5ebdf71c85cb - std[929523f510218772]::panicking::catch_unwind::do_call::<core[28b146924c2f19c6]::panic::unwind_safe::AssertUnwindSafe<std[929523f510218772]::thread::lifecycle::spawn_unchecked<threadpool[debb1c255be6fccb]::spawn_in_pool::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:581:40
[INFO] [stdout]   28:     0x5ebdf71ccfeb - __rust_try
[INFO] [stdout]   29:     0x5ebdf71c8ce2 - std[929523f510218772]::panicking::catch_unwind::<(), core[28b146924c2f19c6]::panic::unwind_safe::AssertUnwindSafe<std[929523f510218772]::thread::lifecycle::spawn_unchecked<threadpool[debb1c255be6fccb]::spawn_in_pool::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x5ebdf71c8ce2 - std[929523f510218772]::panic::catch_unwind::<core[28b146924c2f19c6]::panic::unwind_safe::AssertUnwindSafe<std[929523f510218772]::thread::lifecycle::spawn_unchecked<threadpool[debb1c255be6fccb]::spawn_in_pool::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5ebdf71c8ce2 - std[929523f510218772]::thread::lifecycle::spawn_unchecked::<threadpool[debb1c255be6fccb]::spawn_in_pool::{closure#0}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   32:     0x5ebdf71c159f - <std[929523f510218772]::thread::lifecycle::spawn_unchecked<threadpool[debb1c255be6fccb]::spawn_in_pool::{closure#0}, ()>::{closure#1} as core[28b146924c2f19c6]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   33:     0x5ebdf7211fdf - <alloc[95e62e727ddf147d]::boxed::Box<dyn core[28b146924c2f19c6]::ops::function::FnOnce<(), Output = ()> + core[28b146924c2f19c6]::marker::Send> as core[28b146924c2f19c6]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/alloc/src/boxed.rs:2277:9
[INFO] [stdout]   34:     0x5ebdf7211fdf - <std[929523f510218772]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   35:     0x719e65112aa4 - <unknown>
[INFO] [stdout]   36:     0x719e6519fa64 - clone
[INFO] [stdout]   37:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (21) panicked at src/lib.rs:105:60:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 111, kind: ConnectionRefused, message: "Connection refused" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5ebdf7212988 - std[929523f510218772]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5ebdf7212988 - std[929523f510218772]::backtrace_rs::backtrace::trace_unsynchronized::<std[929523f510218772]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5ebdf7212988 - std[929523f510218772]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5ebdf7212988 - <<std[929523f510218772]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[28b146924c2f19c6]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5ebdf72277fa - <core[28b146924c2f19c6]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5ebdf72277fa - core[28b146924c2f19c6]::fmt::write
[INFO] [stdout]    6:     0x5ebdf7217612 - std[929523f510218772]::io::default_write_fmt::<alloc[95e62e727ddf147d]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x5ebdf7217612 - <alloc[95e62e727ddf147d]::vec::Vec<u8> as std[929523f510218772]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x5ebdf71f1176 - <std[929523f510218772]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5ebdf71f1176 - std[929523f510218772]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5ebdf720aaa9 - std[929523f510218772]::panicking::default_hook
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5ebdf718953c - <alloc[95e62e727ddf147d]::boxed::Box<dyn for<'a, 'b> core[28b146924c2f19c6]::ops::function::Fn<(&'a std[929523f510218772]::panic::PanicHookInfo<'b>,), Output = ()> + core[28b146924c2f19c6]::marker::Sync + core[28b146924c2f19c6]::marker::Send> as core[28b146924c2f19c6]::ops::function::Fn<(&std[929523f510218772]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/alloc/src/boxed.rs:2291:9
[INFO] [stdout]   12:     0x5ebdf718953c - test[6ec0502068880816]::test_main_inner::<test[6ec0502068880816]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x5ebdf720ac62 - <alloc[95e62e727ddf147d]::boxed::Box<dyn for<'a, 'b> core[28b146924c2f19c6]::ops::function::Fn<(&'a std[929523f510218772]::panic::PanicHookInfo<'b>,), Output = ()> + core[28b146924c2f19c6]::marker::Sync + core[28b146924c2f19c6]::marker::Send> as core[28b146924c2f19c6]::ops::function::Fn<(&std[929523f510218772]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/alloc/src/boxed.rs:2291:9
[INFO] [stdout]   14:     0x5ebdf720ac62 - std[929523f510218772]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5ebdf71f1232 - std[929523f510218772]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x5ebdf71e6389 - std[929523f510218772]::sys::backtrace::__rust_end_short_backtrace::<std[929523f510218772]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5ebdf71f210d - __rustc[acf6043c977865fb]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5ebdf7227f8c - core[28b146924c2f19c6]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5ebdf7227d02 - core[28b146924c2f19c6]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/result.rs:1872:5
[INFO] [stdout]   20:     0x5ebdf7171d47 - <core[28b146924c2f19c6]::result::Result<(), std[929523f510218772]::io::error::Error>>::unwrap
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x5ebdf7171d47 - flap_challenge[31d148ae4dc316c4]::tests::multi_client::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:105:60
[INFO] [stdout]   22:     0x5ebdf7175c26 - <flap_challenge[31d148ae4dc316c4]::tests::multi_client::{closure#0} as threadpool[debb1c255be6fccb]::FnBox>::call_box
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/threadpool-1.8.1/src/lib.rs:95:9
[INFO] [stdout]   23:     0x5ebdf71c09f9 - threadpool[debb1c255be6fccb]::spawn_in_pool::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/threadpool-1.8.1/src/lib.rs:769:21
[INFO] [stdout]   24:     0x5ebdf71c76fe - std[929523f510218772]::sys::backtrace::__rust_begin_short_backtrace::<threadpool[debb1c255be6fccb]::spawn_in_pool::{closure#0}, ()>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   25:     0x5ebdf71c917f - std[929523f510218772]::thread::lifecycle::spawn_unchecked::<threadpool[debb1c255be6fccb]::spawn_in_pool::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   26:     0x5ebdf71cce31 - <core[28b146924c2f19c6]::panic::unwind_safe::AssertUnwindSafe<std[929523f510218772]::thread::lifecycle::spawn_unchecked<threadpool[debb1c255be6fccb]::spawn_in_pool::{closure#0}, ()>::{closure#1}::{closure#0}> as core[28b146924c2f19c6]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   27:     0x5ebdf71c85cb - std[929523f510218772]::panicking::catch_unwind::do_call::<core[28b146924c2f19c6]::panic::unwind_safe::AssertUnwindSafe<std[929523f510218772]::thread::lifecycle::spawn_unchecked<threadpool[debb1c255be6fccb]::spawn_in_pool::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:581:40
[INFO] [stdout]   28:     0x5ebdf71ccfeb - __rust_try
[INFO] [stdout]   29:     0x5ebdf71c8ce2 - std[929523f510218772]::panicking::catch_unwind::<(), core[28b146924c2f19c6]::panic::unwind_safe::AssertUnwindSafe<std[929523f510218772]::thread::lifecycle::spawn_unchecked<threadpool[debb1c255be6fccb]::spawn_in_pool::{closure#0}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x5ebdf71c8ce2 - std[929523f510218772]::panic::catch_unwind::<core[28b146924c2f19c6]::panic::unwind_safe::AssertUnwindSafe<std[929523f510218772]::thread::lifecycle::spawn_unchecked<threadpool[debb1c255be6fccb]::spawn_in_pool::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5ebdf71c8ce2 - std[929523f510218772]::thread::lifecycle::spawn_unchecked::<threadpool[debb1c255be6fccb]::spawn_in_pool::{closure#0}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   32:     0x5ebdf71c159f - <std[929523f510218772]::thread::lifecycle::spawn_unchecked<threadpool[debb1c255be6fccb]::spawn_in_pool::{closure#0}, ()>::{closure#1} as core[28b146924c2f19c6]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   33:     0x5ebdf7211fdf - <alloc[95e62e727ddf147d]::boxed::Box<dyn core[28b146924c2f19c6]::ops::function::FnOnce<(), Output = ()> + core[28b146924c2f19c6]::marker::Send> as core[28b146924c2f19c6]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/alloc/src/boxed.rs:2277:9
[INFO] [stdout]   34:     0x5ebdf7211fdf - <std[929523f510218772]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   35:     0x719e65112aa4 - <unknown>
[INFO] [stdout]   36:     0x719e6519fa64 - clone
[INFO] [stdout]   37:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::multi_client' (17) panicked at src/lib.rs:52:21:
[INFO] [stdout] number missing 0
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5ebdf7212988 - std[929523f510218772]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5ebdf7212988 - std[929523f510218772]::backtrace_rs::backtrace::trace_unsynchronized::<std[929523f510218772]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5ebdf7212988 - std[929523f510218772]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5ebdf7212988 - <<std[929523f510218772]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[28b146924c2f19c6]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5ebdf72277fa - <core[28b146924c2f19c6]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5ebdf72277fa - core[28b146924c2f19c6]::fmt::write
[INFO] [stdout]    6:     0x5ebdf7217612 - std[929523f510218772]::io::default_write_fmt::<alloc[95e62e727ddf147d]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x5ebdf7217612 - <alloc[95e62e727ddf147d]::vec::Vec<u8> as std[929523f510218772]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x5ebdf71f1176 - <std[929523f510218772]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5ebdf71f1176 - std[929523f510218772]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5ebdf720aaa9 - std[929523f510218772]::panicking::default_hook
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5ebdf718953c - <alloc[95e62e727ddf147d]::boxed::Box<dyn for<'a, 'b> core[28b146924c2f19c6]::ops::function::Fn<(&'a std[929523f510218772]::panic::PanicHookInfo<'b>,), Output = ()> + core[28b146924c2f19c6]::marker::Sync + core[28b146924c2f19c6]::marker::Send> as core[28b146924c2f19c6]::ops::function::Fn<(&std[929523f510218772]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/alloc/src/boxed.rs:2291:9
[INFO] [stdout]   12:     0x5ebdf718953c - test[6ec0502068880816]::test_main_inner::<test[6ec0502068880816]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x5ebdf720ac62 - <alloc[95e62e727ddf147d]::boxed::Box<dyn for<'a, 'b> core[28b146924c2f19c6]::ops::function::Fn<(&'a std[929523f510218772]::panic::PanicHookInfo<'b>,), Output = ()> + core[28b146924c2f19c6]::marker::Sync + core[28b146924c2f19c6]::marker::Send> as core[28b146924c2f19c6]::ops::function::Fn<(&std[929523f510218772]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/alloc/src/boxed.rs:2291:9
[INFO] [stdout]   14:     0x5ebdf720ac62 - std[929523f510218772]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5ebdf71f1232 - std[929523f510218772]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x5ebdf71e6389 - std[929523f510218772]::sys::backtrace::__rust_end_short_backtrace::<std[929523f510218772]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5ebdf71f210d - __rustc[acf6043c977865fb]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5ebdf7227f8c - core[28b146924c2f19c6]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5ebdf7178948 - flap_challenge[31d148ae4dc316c4]::check_range
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:52:21
[INFO] [stdout]   20:     0x5ebdf71752c0 - flap_challenge[31d148ae4dc316c4]::tests::multi_client
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:112:9
[INFO] [stdout]   21:     0x5ebdf7171bf7 - flap_challenge[31d148ae4dc316c4]::tests::multi_client::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:99:26
[INFO] [stdout]   22:     0x5ebdf717c496 - <flap_challenge[31d148ae4dc316c4]::tests::multi_client::{closure#0} as core[28b146924c2f19c6]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x5ebdf717c61b - <fn() -> core[28b146924c2f19c6]::result::Result<(), alloc[95e62e727ddf147d]::string::String> as core[28b146924c2f19c6]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5ebdf717c61b - test[6ec0502068880816]::__rust_begin_short_backtrace::<core[28b146924c2f19c6]::result::Result<(), alloc[95e62e727ddf147d]::string::String>, fn() -> core[28b146924c2f19c6]::result::Result<(), alloc[95e62e727ddf147d]::string::String>>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/test/src/lib.rs:724:18
[INFO] [stdout]   25:     0x5ebdf7189e95 - test[6ec0502068880816]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/test/src/lib.rs:747:74
[INFO] [stdout]   26:     0x5ebdf7189e95 - <core[28b146924c2f19c6]::panic::unwind_safe::AssertUnwindSafe<test[6ec0502068880816]::run_test_in_process::{closure#0}> as core[28b146924c2f19c6]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   27:     0x5ebdf7189e95 - std[929523f510218772]::panicking::catch_unwind::do_call::<core[28b146924c2f19c6]::panic::unwind_safe::AssertUnwindSafe<test[6ec0502068880816]::run_test_in_process::{closure#0}>, core[28b146924c2f19c6]::result::Result<(), alloc[95e62e727ddf147d]::string::String>>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:581:40
[INFO] [stdout]   28:     0x5ebdf7189e95 - std[929523f510218772]::panicking::catch_unwind::<core[28b146924c2f19c6]::result::Result<(), alloc[95e62e727ddf147d]::string::String>, core[28b146924c2f19c6]::panic::unwind_safe::AssertUnwindSafe<test[6ec0502068880816]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:544:19
[INFO] [stdout]   29:     0x5ebdf7189e95 - std[929523f510218772]::panic::catch_unwind::<core[28b146924c2f19c6]::panic::unwind_safe::AssertUnwindSafe<test[6ec0502068880816]::run_test_in_process::{closure#0}>, core[28b146924c2f19c6]::result::Result<(), alloc[95e62e727ddf147d]::string::String>>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x5ebdf7189e95 - test[6ec0502068880816]::run_test_in_process
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/test/src/lib.rs:747:27
[INFO] [stdout]   31:     0x5ebdf7189e95 - test[6ec0502068880816]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/test/src/lib.rs:668:43
[INFO] [stdout]   32:     0x5ebdf71849f4 - test[6ec0502068880816]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/test/src/lib.rs:698:41
[INFO] [stdout]   33:     0x5ebdf71849f4 - std[929523f510218772]::sys::backtrace::__rust_begin_short_backtrace::<test[6ec0502068880816]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   34:     0x5ebdf718cf12 - std[929523f510218772]::thread::lifecycle::spawn_unchecked::<test[6ec0502068880816]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   35:     0x5ebdf718cf12 - <core[28b146924c2f19c6]::panic::unwind_safe::AssertUnwindSafe<std[929523f510218772]::thread::lifecycle::spawn_unchecked<test[6ec0502068880816]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[28b146924c2f19c6]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   36:     0x5ebdf718cf12 - std[929523f510218772]::panicking::catch_unwind::do_call::<core[28b146924c2f19c6]::panic::unwind_safe::AssertUnwindSafe<std[929523f510218772]::thread::lifecycle::spawn_unchecked<test[6ec0502068880816]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:581:40
[INFO] [stdout]   37:     0x5ebdf718cf12 - std[929523f510218772]::panicking::catch_unwind::<(), core[28b146924c2f19c6]::panic::unwind_safe::AssertUnwindSafe<std[929523f510218772]::thread::lifecycle::spawn_unchecked<test[6ec0502068880816]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x5ebdf718cf12 - std[929523f510218772]::panic::catch_unwind::<core[28b146924c2f19c6]::panic::unwind_safe::AssertUnwindSafe<std[929523f510218772]::thread::lifecycle::spawn_unchecked<test[6ec0502068880816]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x5ebdf718cf12 - std[929523f510218772]::thread::lifecycle::spawn_unchecked::<test[6ec0502068880816]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   40:     0x5ebdf718cf12 - <std[929523f510218772]::thread::lifecycle::spawn_unchecked<test[6ec0502068880816]::run_test::{closure#1}, ()>::{closure#1} as core[28b146924c2f19c6]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x5ebdf7211fdf - <alloc[95e62e727ddf147d]::boxed::Box<dyn core[28b146924c2f19c6]::ops::function::FnOnce<(), Output = ()> + core[28b146924c2f19c6]::marker::Send> as core[28b146924c2f19c6]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/alloc/src/boxed.rs:2277:9
[INFO] [stdout]   42:     0x5ebdf7211fdf - <std[929523f510218772]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   43:     0x719e65112aa4 - <unknown>
[INFO] [stdout]   44:     0x719e6519fa64 - clone
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::multi_client
[INFO] [stdout]     tests::single_client
[INFO] [stdout]     tests::single_client_fail
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 3 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.07s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "144c834883ca585ab9624f001be044a4f4064a2aefc18c987d62dc95a588e73f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "144c834883ca585ab9624f001be044a4f4064a2aefc18c987d62dc95a588e73f", kill_on_drop: false }`
[INFO] [stdout] 144c834883ca585ab9624f001be044a4f4064a2aefc18c987d62dc95a588e73f
