[INFO] cloning repository https://github.com/mahmoudkhera/udp_opt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mahmoudkhera/udp_opt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmahmoudkhera%2Fudp_opt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmahmoudkhera%2Fudp_opt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 660dbd551b2e035f70d032ce0cdb73e9772d4626
[INFO] testing mahmoudkhera/udp_opt against try#0abe69e6c16114311cc2700e972492e64d69c28f for pr-154065
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmahmoudkhera%2Fudp_opt" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mahmoudkhera/udp_opt
[INFO] finished tweaking git repo https://github.com/mahmoudkhera/udp_opt
[INFO] tweaked toml for git repo https://github.com/mahmoudkhera/udp_opt written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mahmoudkhera/udp_opt on toolchain 0abe69e6c16114311cc2700e972492e64d69c28f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mahmoudkhera/udp_opt 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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 477a985d03007eee1df2e6fb8c5d30f3e5a8e048cd3ba48960c9e9e7dace3b37
[INFO] running `Command { std: "docker" "start" "-a" "477a985d03007eee1df2e6fb8c5d30f3e5a8e048cd3ba48960c9e9e7dace3b37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "477a985d03007eee1df2e6fb8c5d30f3e5a8e048cd3ba48960c9e9e7dace3b37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "477a985d03007eee1df2e6fb8c5d30f3e5a8e048cd3ba48960c9e9e7dace3b37", kill_on_drop: false }`
[INFO] [stdout] 477a985d03007eee1df2e6fb8c5d30f3e5a8e048cd3ba48960c9e9e7dace3b37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b64a2cfa89d3e8b25777daddaf378f7401670fb8ee036b007a2800b536d6b42c
[INFO] running `Command { std: "docker" "start" "-a" "b64a2cfa89d3e8b25777daddaf378f7401670fb8ee036b007a2800b536d6b42c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling socket2 v0.6.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling udpopt v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.93s
[INFO] running `Command { std: "docker" "inspect" "b64a2cfa89d3e8b25777daddaf378f7401670fb8ee036b007a2800b536d6b42c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b64a2cfa89d3e8b25777daddaf378f7401670fb8ee036b007a2800b536d6b42c", kill_on_drop: false }`
[INFO] [stdout] b64a2cfa89d3e8b25777daddaf378f7401670fb8ee036b007a2800b536d6b42c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e9394f9bc39f4181839cff70415866be32262d0063fe5a5e6d75aab48d3e5ec1
[INFO] running `Command { std: "docker" "start" "-a" "e9394f9bc39f4181839cff70415866be32262d0063fe5a5e6d75aab48d3e5ec1", kill_on_drop: false }`
[INFO] [stderr]    Compiling udpopt v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.39s
[INFO] running `Command { std: "docker" "inspect" "e9394f9bc39f4181839cff70415866be32262d0063fe5a5e6d75aab48d3e5ec1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9394f9bc39f4181839cff70415866be32262d0063fe5a5e6d75aab48d3e5ec1", kill_on_drop: false }`
[INFO] [stdout] e9394f9bc39f4181839cff70415866be32262d0063fe5a5e6d75aab48d3e5ec1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 19093074b0a798a458dc85065ee628927da99060953d815629ec3c5cb264ad80
[INFO] running `Command { std: "docker" "start" "-a" "19093074b0a798a458dc85065ee628927da99060953d815629ec3c5cb264ad80", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/udpopt-2d9565edf29cc9aa)
[INFO] [stdout] 
[INFO] [stdout] running 26 tests
[INFO] [stdout] test result::tests::test_from_intervals ... ok
[INFO] [stdout] test client::udp_client_tests::test_zero_timeout_sends_only_fin ... ok
[INFO] [stdout] test utils::udp_data::tests::test_get_interval_result ... ok
[INFO] [stdout] test utils::udp_data::tests::test_interval_result_default ... ok
[INFO] [stdout] test utils::udp_data::tests::test_large_sequence_numbers ... ok
[INFO] [stdout] test utils::udp_data::tests::test_process_multiple_packets ... ok
[INFO] [stdout] test utils::udp_data::tests::test_calc_bitrate_low_loss_acceptable ... ok
[INFO] [stdout] test utils::udp_data::tests::test_process_packet_jitter_calculation ... ok
[INFO] [stdout] test utils::udp_data::tests::test_udp_header_new ... ok
[INFO] [stdout] test utils::udp_data::tests::test_udp_header_write_and_read ... ok
[INFO] [stdout] test utils::udp_data::tests::test_calc_bitrate_very_low_loss ... ok
[INFO] [stdout] test utils::udp_data::tests::test_calc_bitrate_high_loss ... ok
[INFO] [stdout] test utils::udp_data::tests::test_udp_data_new ... ok
[INFO] [stdout] test utils::udp_data::tests::test_calc_bitrate_non_one_second_interval ... ok
[INFO] [stdout] test utils::udp_data::tests::test_udp_header_write_buffer_too_small - should panic ... ok
[INFO] [stdout] test client::udp_client_tests::test_client_sends_fin_packet ... ok
[INFO] [stdout] test server::tests::test_server_stops_on_fin_flag ... ok
[INFO] [stdout] test server::tests::test_server_stops_on_stop_command ... ok
[INFO] [stdout] test client::udp_client_tests::test_no_duplicate_sequence_numbers ... ok
[INFO] [stdout] test client::udp_client_tests::test_client_waits_for_start_command ... ok
[INFO] [stdout] test client::udp_client_tests::test_sequence_numbers_increment_correctly ... ok
[INFO] [stdout] test client::udp_client_tests::test_client_sends_packets ... ok
[INFO] [stdout] test client::udp_client_tests::test_client_timeout ... ok
[INFO] [stdout] test server::tests::test_multiple_start_commands ... ok
[INFO] [stdout] test server::tests::test_server_waits_for_start_command ... ok
[INFO] [stdout] test server::tests::test_interval_result_collection ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 26 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.63s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests udpopt
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 112) ... ok
[INFO] [stdout] test src/lib.rs - (line 67) ... ok
[INFO] [stdout] test src/lib.rs - (line 17) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 17) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stdout:
[INFO] [stdout] client start
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] 
[INFO] [stdout] thread '<unnamed>' (98) panicked at /tmp/rustdoctestsoGsGp/doctest_bundle_2024.rs:72:31:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: SendFailed(Os { code: 111, kind: ConnectionRefused, message: "Connection refused" })
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x59b7e01e9ada - std[ec4e911328de40a6]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x59b7e01e9ada - std[ec4e911328de40a6]::backtrace_rs::backtrace::trace_unsynchronized::<std[ec4e911328de40a6]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x59b7e01e9ada - std[ec4e911328de40a6]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x59b7e01e9ada - <<std[ec4e911328de40a6]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[a96a4c5c53f902a3]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x59b7e01febaa - <core[a96a4c5c53f902a3]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x59b7e01febaa - core[a96a4c5c53f902a3]::fmt::write
[INFO] [stdout]    6:     0x59b7e01ef1e2 - std[ec4e911328de40a6]::io::default_write_fmt::<std[ec4e911328de40a6]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x59b7e01ef1e2 - <std[ec4e911328de40a6]::sys::stdio::unix::Stderr as std[ec4e911328de40a6]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x59b7e01c81bf - <std[ec4e911328de40a6]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x59b7e01c81bf - std[ec4e911328de40a6]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x59b7e01e1a11 - std[ec4e911328de40a6]::panicking::default_hook
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/panicking.rs:319:9
[INFO] [stdout]   11:     0x59b7e01e1bcb - std[ec4e911328de40a6]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/panicking.rs:825:13
[INFO] [stdout]   12:     0x59b7e01c8278 - std[ec4e911328de40a6]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/panicking.rs:698:13
[INFO] [stdout]   13:     0x59b7e01bfab9 - std[ec4e911328de40a6]::sys::backtrace::__rust_end_short_backtrace::<std[ec4e911328de40a6]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   14:     0x59b7e01c926d - __rustc[aa69f48705c57ca8]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/panicking.rs:689:5
[INFO] [stdout]   15:     0x59b7e01ff33c - core[a96a4c5c53f902a3]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/core/src/panicking.rs:80:14
[INFO] [stdout]   16:     0x59b7e01ff0b2 - core[a96a4c5c53f902a3]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/core/src/result.rs:1867:5
[INFO] [stdout]   17:     0x59b7e014d317 - doctest_bundle_2024[91a598a9d7469999]::__doctest_1::main::{closure#0}
[INFO] [stdout]   18:     0x59b7e0147e06 - std[ec4e911328de40a6]::sys::backtrace::__rust_begin_short_backtrace::<doctest_bundle_2024[91a598a9d7469999]::__doctest_1::main::{closure#0}, ()>
[INFO] [stdout]   19:     0x59b7e014bd1a - std[ec4e911328de40a6]::thread::lifecycle::spawn_unchecked::<doctest_bundle_2024[91a598a9d7469999]::__doctest_1::main::{closure#0}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]   20:     0x59b7e0154421 - <core[a96a4c5c53f902a3]::panic::unwind_safe::AssertUnwindSafe<std[ec4e911328de40a6]::thread::lifecycle::spawn_unchecked<doctest_bundle_2024[91a598a9d7469999]::__doctest_1::main::{closure#0}, ()>::{closure#1}::{closure#0}> as core[a96a4c5c53f902a3]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   21:     0x59b7e014a10d - std[ec4e911328de40a6]::panicking::catch_unwind::do_call::<core[a96a4c5c53f902a3]::panic::unwind_safe::AssertUnwindSafe<std[ec4e911328de40a6]::thread::lifecycle::spawn_unchecked<doctest_bundle_2024[91a598a9d7469999]::__doctest_1::main::{closure#0}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]   22:     0x59b7e015471b - __rust_try
[INFO] [stdout]   23:     0x59b7e014b570 - std[ec4e911328de40a6]::thread::lifecycle::spawn_unchecked::<doctest_bundle_2024[91a598a9d7469999]::__doctest_1::main::{closure#0}, ()>::{closure#1}
[INFO] [stdout]   24:     0x59b7e014d517 - <std[ec4e911328de40a6]::thread::lifecycle::spawn_unchecked<doctest_bundle_2024[91a598a9d7469999]::__doctest_1::main::{closure#0}, ()>::{closure#1} as core[a96a4c5c53f902a3]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]   25:     0x59b7e01e91ff - <alloc[c960326de6de28e6]::boxed::Box<dyn core[a96a4c5c53f902a3]::ops::function::FnOnce<(), Output = ()> + core[a96a4c5c53f902a3]::marker::Send> as core[a96a4c5c53f902a3]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   26:     0x59b7e01e91ff - <std[ec4e911328de40a6]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   27:     0x7f1566821aa4 - <unknown>
[INFO] [stdout]   28:     0x7f15668aea64 - clone
[INFO] [stdout]   29:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] thread 'main' (95) panicked at /tmp/rustdoctestsoGsGp/doctest_bundle_2024.rs:79:19:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Any { .. }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x59b7e01e9ada - std[ec4e911328de40a6]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x59b7e01e9ada - std[ec4e911328de40a6]::backtrace_rs::backtrace::trace_unsynchronized::<std[ec4e911328de40a6]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x59b7e01e9ada - std[ec4e911328de40a6]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x59b7e01e9ada - <<std[ec4e911328de40a6]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[a96a4c5c53f902a3]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x59b7e01febaa - <core[a96a4c5c53f902a3]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x59b7e01febaa - core[a96a4c5c53f902a3]::fmt::write
[INFO] [stdout]    6:     0x59b7e01ef1e2 - std[ec4e911328de40a6]::io::default_write_fmt::<std[ec4e911328de40a6]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x59b7e01ef1e2 - <std[ec4e911328de40a6]::sys::stdio::unix::Stderr as std[ec4e911328de40a6]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x59b7e01c81bf - <std[ec4e911328de40a6]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x59b7e01c81bf - std[ec4e911328de40a6]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x59b7e01e1a11 - std[ec4e911328de40a6]::panicking::default_hook
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/panicking.rs:319:9
[INFO] [stdout]   11:     0x59b7e01e1bcb - std[ec4e911328de40a6]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/panicking.rs:825:13
[INFO] [stdout]   12:     0x59b7e01c8278 - std[ec4e911328de40a6]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/panicking.rs:698:13
[INFO] [stdout]   13:     0x59b7e01bfab9 - std[ec4e911328de40a6]::sys::backtrace::__rust_end_short_backtrace::<std[ec4e911328de40a6]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   14:     0x59b7e01c926d - __rustc[aa69f48705c57ca8]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/panicking.rs:689:5
[INFO] [stdout]   15:     0x59b7e01ff33c - core[a96a4c5c53f902a3]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/core/src/panicking.rs:80:14
[INFO] [stdout]   16:     0x59b7e01ff0b2 - core[a96a4c5c53f902a3]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/core/src/result.rs:1867:5
[INFO] [stdout]   17:     0x59b7e0152bb4 - doctest_bundle_2024[91a598a9d7469999]::__doctest_1::main
[INFO] [stdout]   18:     0x59b7e0152ca6 - doctest_bundle_2024[91a598a9d7469999]::__doctest_1::__main_fn
[INFO] [stdout]   19:     0x59b7e0141fb1 - doctest_runner_2024[7c26b78b63720825]::__doctest_1::TEST::{closure#0}
[INFO] [stdout]   20:     0x59b7e01458b6 - <doctest_runner_2024[7c26b78b63720825]::__doctest_1::TEST::{closure#0} as core[a96a4c5c53f902a3]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   21:     0x59b7e01425e5 - doctest_runner_2024[7c26b78b63720825]::main
[INFO] [stdout]   22:     0x59b7e01457d3 - <fn() -> std[ec4e911328de40a6]::process::ExitCode as core[a96a4c5c53f902a3]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   23:     0x59b7e0141856 - std[ec4e911328de40a6]::sys::backtrace::__rust_begin_short_backtrace::<fn() -> std[ec4e911328de40a6]::process::ExitCode, std[ec4e911328de40a6]::process::ExitCode>
[INFO] [stdout]   24:     0x59b7e0141d59 - std[ec4e911328de40a6]::rt::lang_start::<std[ec4e911328de40a6]::process::ExitCode>::{closure#0}
[INFO] [stdout]   25:     0x59b7e01e0694 - <&dyn core[a96a4c5c53f902a3]::ops::function::Fn<(), Output = i32> + core[a96a4c5c53f902a3]::panic::unwind_safe::RefUnwindSafe + core[a96a4c5c53f902a3]::marker::Sync as core[a96a4c5c53f902a3]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   26:     0x59b7e01e0694 - std[ec4e911328de40a6]::panicking::catch_unwind::do_call::<&dyn core[a96a4c5c53f902a3]::ops::function::Fn<(), Output = i32> + core[a96a4c5c53f902a3]::panic::unwind_safe::RefUnwindSafe + core[a96a4c5c53f902a3]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/panicking.rs:581:40
[INFO] [stdout]   27:     0x59b7e01e0694 - std[ec4e911328de40a6]::panicking::catch_unwind::<i32, &dyn core[a96a4c5c53f902a3]::ops::function::Fn<(), Output = i32> + core[a96a4c5c53f902a3]::panic::unwind_safe::RefUnwindSafe + core[a96a4c5c53f902a3]::marker::Sync>
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x59b7e01e0694 - std[ec4e911328de40a6]::panic::catch_unwind::<&dyn core[a96a4c5c53f902a3]::ops::function::Fn<(), Output = i32> + core[a96a4c5c53f902a3]::panic::unwind_safe::RefUnwindSafe + core[a96a4c5c53f902a3]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x59b7e01e0694 - std[ec4e911328de40a6]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/rt.rs:175:24
[INFO] [stdout]   30:     0x59b7e01e0694 - std[ec4e911328de40a6]::panicking::catch_unwind::do_call::<std[ec4e911328de40a6]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/panicking.rs:581:40
[INFO] [stdout]   31:     0x59b7e01e0694 - std[ec4e911328de40a6]::panicking::catch_unwind::<isize, std[ec4e911328de40a6]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/panicking.rs:544:19
[INFO] [stdout]   32:     0x59b7e01e0694 - std[ec4e911328de40a6]::panic::catch_unwind::<std[ec4e911328de40a6]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/panic.rs:359:14
[INFO] [stdout]   33:     0x59b7e01e0694 - std[ec4e911328de40a6]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/0abe69e6c16114311cc2700e972492e64d69c28f/library/std/src/rt.rs:171:5
[INFO] [stdout]   34:     0x59b7e0141791 - std[ec4e911328de40a6]::rt::lang_start::<std[ec4e911328de40a6]::process::ExitCode>
[INFO] [stdout]   35:     0x59b7e0145a25 - main
[INFO] [stdout]   36:     0x7f15667af1ca - <unknown>
[INFO] [stdout]   37:     0x7f15667af28b - __libc_start_main
[INFO] [stdout]   38:     0x59b7e013fad5 - _start
[INFO] [stdout]   39:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 17)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 2 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.05s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 2.09s; merged doctests compilation took 1.03s
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "19093074b0a798a458dc85065ee628927da99060953d815629ec3c5cb264ad80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19093074b0a798a458dc85065ee628927da99060953d815629ec3c5cb264ad80", kill_on_drop: false }`
[INFO] [stdout] 19093074b0a798a458dc85065ee628927da99060953d815629ec3c5cb264ad80
