[INFO] fetching crate servicepoint2 0.4.3...
[INFO] testing servicepoint2-0.4.3 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate servicepoint2 0.4.3 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate servicepoint2 0.4.3
[INFO] finished tweaking crates.io crate servicepoint2 0.4.3
[INFO] tweaked toml for crates.io crate servicepoint2 0.4.3 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate servicepoint2 0.4.3 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 23 packages to highest compatible versions
[INFO] [stderr]       Adding bzip2 v0.4.4 (available: v0.6.1)
[INFO] [stderr]       Adding zstd v0.13.3 (available: v0.14.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rust-lzma v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 02f606ffc11171cdc17e08ecb32039d1ea111c5c0aa008a3fc761353e3c9f327
[INFO] running `Command { std: "docker" "start" "02f606ffc11171cdc17e08ecb32039d1ea111c5c0aa008a3fc761353e3c9f327", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02f606ffc11171cdc17e08ecb32039d1ea111c5c0aa008a3fc761353e3c9f327", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "02f606ffc11171cdc17e08ecb32039d1ea111c5c0aa008a3fc761353e3c9f327" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02f606ffc11171cdc17e08ecb32039d1ea111c5c0aa008a3fc761353e3c9f327", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "02f606ffc11171cdc17e08ecb32039d1ea111c5c0aa008a3fc761353e3c9f327" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-lzma v0.6.0
[INFO] [stderr]    Compiling servicepoint2 v0.4.3 (/opt/rustwide/workdir)
[INFO] [stderr] warning: servicepoint2@0.4.3: This crate is unmaintained. Please switch to `servicepoint`.
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "02f606ffc11171cdc17e08ecb32039d1ea111c5c0aa008a3fc761353e3c9f327", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "02f606ffc11171cdc17e08ecb32039d1ea111c5c0aa008a3fc761353e3c9f327" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: servicepoint2@0.4.3: This crate is unmaintained. Please switch to `servicepoint`.
[INFO] [stderr]    Compiling servicepoint2 v0.4.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `must_use` that must be used
[INFO] [stdout]    --> src/bit_vec.rs:315:9
[INFO] [stdout]     |
[INFO] [stdout] 315 |         format!("{vec:?}");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 315 |         let _ = format!("{vec:?}");
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "02f606ffc11171cdc17e08ecb32039d1ea111c5c0aa008a3fc761353e3c9f327", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "02f606ffc11171cdc17e08ecb32039d1ea111c5c0aa008a3fc761353e3c9f327" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: servicepoint2@0.4.3: This crate is unmaintained. Please switch to `servicepoint`.
[INFO] [stderr] warning: unused return value of `must_use` that must be used
[INFO] [stderr]    --> src/bit_vec.rs:315:9
[INFO] [stderr]     |
[INFO] [stderr] 315 |         format!("{vec:?}");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 315 |         let _ = format!("{vec:?}");
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `servicepoint2` (lib test) generated 1 warning
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/release/deps/servicepoint2-71aaf3589567b792)
[INFO] [stdout] 
[INFO] [stdout] running 36 tests
[INFO] [stdout] test bit_vec::tests::fill ... ok
[INFO] [stdout] test bit_vec::tests::debug_print ... ok
[INFO] [stdout] test bit_vec::tests::get_returns_old ... ok
[INFO] [stdout] test byte_grid::tests::get_set ... ok
[INFO] [stdout] test byte_grid::tests::load ... ok
[INFO] [stdout] test byte_grid::tests::mut_data_ref ... ok
[INFO] [stdout] test bit_vec::tests::mut_data_ref ... ok
[INFO] [stdout] test bit_vec::tests::load ... ok
[INFO] [stdout] test byte_grid::tests::fill ... ok
[INFO] [stdout] test bit_vec::tests::get_set ... ok
[INFO] [stdout] test command::tests::error_extraneous_header_hard_reset ... ok
[INFO] [stdout] test bit_vec::tests::is_empty ... ok
[INFO] [stdout] test command::tests::error_extraneous_header_values_clear ... ok
[INFO] [stdout] test command::tests::error_extraneous_header_fade_out ... ok
[INFO] [stdout] test command::tests::error_invalid_compression ... ok
[INFO] [stdout] test command::tests::error_unexpected_payload ... ok
[INFO] [stdout] test command::tests::error_reserved_used ... ok
[INFO] [stdout] test command::tests::round_trip_bitmap_legacy ... ok
[INFO] [stdout] test command::tests::error_unexpected_size ... ok
[INFO] [stdout] test command::tests::error_decompression_failed_win ... ok
[INFO] [stdout] test command::tests::round_trip_cp437_data ... ok
[INFO] [stdout] test command::tests::error_decompression_failed_and ... ok
[INFO] [stdout] test command::tests::round_trip_brightness ... ok
[INFO] [stdout] test command::tests::error_invalid_command ... ok
[INFO] [stdout] test command::tests::origin_add ... ok
[INFO] [stdout] test pixel_grid::tests::get_set ... ok
[INFO] [stdout] test command::tests::error_extraneous_header_values_brightness ... ok
[INFO] [stdout] test pixel_grid::tests::fill ... ok
[INFO] [stdout] test command::tests::round_trip_fade_out ... ok
[INFO] [stdout] test command::tests::round_trip_hard_reset ... ok
[INFO] [stdout] test command::tests::unexpected_payload_size_brightness ... ok
[INFO] [stdout] test pixel_grid::tests::load ... ok
[INFO] [stdout] test command::tests::round_trip_clear ... ok
[INFO] [stdout] test packet::tests::round_trip ... ok
[INFO] [stdout] test command::tests::round_trip_char_brightness ... ok
[INFO] [stderr]    Doc-tests servicepoint2
[INFO] [stdout] test command::tests::round_trip_bitmap_linear ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 36 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/grid.rs - grid::Grid::window (line 37) ... ok
[INFO] [stdout] test src/bit_vec.rs - bit_vec::BitVec::fill (line 74) ... ok
[INFO] [stdout] test src/connection.rs - connection::Connection::open (line 23) ... FAILED
[INFO] [stdout] test src/connection.rs - connection::Connection::send (line 48) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/connection.rs - connection::Connection::open (line 23) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] 
[INFO] [stdout] thread 'main' (379) panicked at src/connection.rs:6:6:
[INFO] [stdout] connection failed: Os { code: 101, kind: NetworkUnreachable, message: "Network is unreachable" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x6450317c99a1 - std[70759c8f55707aa4]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x6450317c99a1 - std[70759c8f55707aa4]::backtrace_rs::backtrace::trace_unsynchronized::<std[70759c8f55707aa4]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x6450317c99a1 - std[70759c8f55707aa4]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x6450317c99a1 - <<std[70759c8f55707aa4]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[df12db4294e9bfd3]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x6450317dadda - <core[df12db4294e9bfd3]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x6450317dadda - core[df12db4294e9bfd3]::fmt::write
[INFO] [stdout]    6:     0x6450317cd0ac - core[df12db4294e9bfd3]::io::write::default_write_fmt::<std[70759c8f55707aa4]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/core/src/io/write.rs:402:11
[INFO] [stdout]    7:     0x6450317cd0ac - <std[70759c8f55707aa4]::sys::stdio::unix::Stderr as core[df12db4294e9bfd3]::io::write::Write>::write_fmt
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/core/src/io/write.rs:335:13
[INFO] [stdout]    8:     0x6450317b32b6 - <std[70759c8f55707aa4]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x6450317b32b6 - std[70759c8f55707aa4]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x6450317c5b31 - std[70759c8f55707aa4]::panicking::default_hook
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/panicking.rs:319:9
[INFO] [stdout]   11:     0x6450317c5ceb - std[70759c8f55707aa4]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/panicking.rs:815:13
[INFO] [stdout]   12:     0x6450317b3362 - std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/panicking.rs:688:13
[INFO] [stdout]   13:     0x6450317ac4d9 - std[70759c8f55707aa4]::sys::backtrace::__rust_end_short_backtrace::<std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   14:     0x6450317b3ccd - __rustc[8fa7c3cbc660c2b3]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/panicking.rs:679:5
[INFO] [stdout]   15:     0x6450317db4cc - core[df12db4294e9bfd3]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/core/src/panicking.rs:80:14
[INFO] [stdout]   16:     0x6450317db2a2 - core[df12db4294e9bfd3]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/core/src/result.rs:1871:5
[INFO] [stdout]   17:     0x6450317a11d2 - <core[df12db4294e9bfd3]::result::Result<servicepoint2[b9f038017de62aef]::connection::Connection, core[df12db4294e9bfd3]::io::error::Error>>::expect
[INFO] [stdout]   18:     0x6450317a1a87 - rust_out[fc2a76a7d39855e1]::main::_doctest_main_src_connection_rs_23_0
[INFO] [stdout]   19:     0x6450317a1176 - rust_out[fc2a76a7d39855e1]::main
[INFO] [stdout]   20:     0x6450317a2153 - <fn() as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   21:     0x6450317a075e - std[70759c8f55707aa4]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]   22:     0x6450317a1129 - std[70759c8f55707aa4]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]   23:     0x6450317c5299 - <&dyn core[df12db4294e9bfd3]::ops::function::Fn<(), Output = i32> + core[df12db4294e9bfd3]::panic::unwind_safe::RefUnwindSafe + core[df12db4294e9bfd3]::marker::Sync as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   24:     0x6450317c5299 - std[70759c8f55707aa4]::panicking::catch_unwind::do_call::<&dyn core[df12db4294e9bfd3]::ops::function::Fn<(), Output = i32> + core[df12db4294e9bfd3]::panic::unwind_safe::RefUnwindSafe + core[df12db4294e9bfd3]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/panicking.rs:576:43
[INFO] [stdout]   25:     0x6450317c5299 - std[70759c8f55707aa4]::panicking::catch_unwind::<i32, &dyn core[df12db4294e9bfd3]::ops::function::Fn<(), Output = i32> + core[df12db4294e9bfd3]::panic::unwind_safe::RefUnwindSafe + core[df12db4294e9bfd3]::marker::Sync>
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/panicking.rs:544:19
[INFO] [stdout]   26:     0x6450317c5299 - std[70759c8f55707aa4]::panic::catch_unwind::<&dyn core[df12db4294e9bfd3]::ops::function::Fn<(), Output = i32> + core[df12db4294e9bfd3]::panic::unwind_safe::RefUnwindSafe + core[df12db4294e9bfd3]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/panic.rs:359:14
[INFO] [stdout]   27:     0x6450317c5299 - std[70759c8f55707aa4]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/rt.rs:175:24
[INFO] [stdout]   28:     0x6450317c5299 - std[70759c8f55707aa4]::panicking::catch_unwind::do_call::<std[70759c8f55707aa4]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/panicking.rs:576:43
[INFO] [stdout]   29:     0x6450317c5299 - std[70759c8f55707aa4]::panicking::catch_unwind::<isize, std[70759c8f55707aa4]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x6450317c5299 - std[70759c8f55707aa4]::panic::catch_unwind::<std[70759c8f55707aa4]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x6450317c5299 - std[70759c8f55707aa4]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/rt.rs:171:5
[INFO] [stdout]   32:     0x6450317a0641 - std[70759c8f55707aa4]::rt::lang_start::<()>
[INFO] [stdout]   33:     0x6450317a2405 - main
[INFO] [stdout]   34:     0x7e3043c63601 - <unknown>
[INFO] [stdout]   35:     0x7e3043c63718 - __libc_start_main
[INFO] [stdout]   36:     0x64503179fe85 - _start
[INFO] [stdout]   37:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] ---- src/connection.rs - connection::Connection::send (line 48) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] 
[INFO] [stdout] thread 'main' (380) panicked at src/connection.rs:7:6:
[INFO] [stdout] connection failed: Os { code: 101, kind: NetworkUnreachable, message: "Network is unreachable" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x57f68e541ca1 - std[70759c8f55707aa4]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x57f68e541ca1 - std[70759c8f55707aa4]::backtrace_rs::backtrace::trace_unsynchronized::<std[70759c8f55707aa4]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x57f68e541ca1 - std[70759c8f55707aa4]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x57f68e541ca1 - <<std[70759c8f55707aa4]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[df12db4294e9bfd3]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x57f68e5535fa - <core[df12db4294e9bfd3]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x57f68e5535fa - core[df12db4294e9bfd3]::fmt::write
[INFO] [stdout]    6:     0x57f68e5453ac - core[df12db4294e9bfd3]::io::write::default_write_fmt::<std[70759c8f55707aa4]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/core/src/io/write.rs:402:11
[INFO] [stdout]    7:     0x57f68e5453ac - <std[70759c8f55707aa4]::sys::stdio::unix::Stderr as core[df12db4294e9bfd3]::io::write::Write>::write_fmt
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/core/src/io/write.rs:335:13
[INFO] [stdout]    8:     0x57f68e52b546 - <std[70759c8f55707aa4]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x57f68e52b546 - std[70759c8f55707aa4]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x57f68e53de31 - std[70759c8f55707aa4]::panicking::default_hook
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/panicking.rs:319:9
[INFO] [stdout]   11:     0x57f68e53dfeb - std[70759c8f55707aa4]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/panicking.rs:815:13
[INFO] [stdout]   12:     0x57f68e52b5f2 - std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/panicking.rs:688:13
[INFO] [stdout]   13:     0x57f68e524769 - std[70759c8f55707aa4]::sys::backtrace::__rust_end_short_backtrace::<std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   14:     0x57f68e52bf5d - __rustc[8fa7c3cbc660c2b3]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/panicking.rs:679:5
[INFO] [stdout]   15:     0x57f68e553cec - core[df12db4294e9bfd3]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/core/src/panicking.rs:80:14
[INFO] [stdout]   16:     0x57f68e553ac2 - core[df12db4294e9bfd3]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/core/src/result.rs:1871:5
[INFO] [stdout]   17:     0x57f68e5177f2 - <core[df12db4294e9bfd3]::result::Result<servicepoint2[b9f038017de62aef]::connection::Connection, core[df12db4294e9bfd3]::io::error::Error>>::expect
[INFO] [stdout]   18:     0x57f68e51815c - rust_out[fc2a76a7d39855e1]::main::_doctest_main_src_connection_rs_48_0
[INFO] [stdout]   19:     0x57f68e517796 - rust_out[fc2a76a7d39855e1]::main
[INFO] [stdout]   20:     0x57f68e518a73 - <fn() as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   21:     0x57f68e516d7e - std[70759c8f55707aa4]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]   22:     0x57f68e517749 - std[70759c8f55707aa4]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]   23:     0x57f68e53d599 - <&dyn core[df12db4294e9bfd3]::ops::function::Fn<(), Output = i32> + core[df12db4294e9bfd3]::panic::unwind_safe::RefUnwindSafe + core[df12db4294e9bfd3]::marker::Sync as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   24:     0x57f68e53d599 - std[70759c8f55707aa4]::panicking::catch_unwind::do_call::<&dyn core[df12db4294e9bfd3]::ops::function::Fn<(), Output = i32> + core[df12db4294e9bfd3]::panic::unwind_safe::RefUnwindSafe + core[df12db4294e9bfd3]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/panicking.rs:576:43
[INFO] [stdout]   25:     0x57f68e53d599 - std[70759c8f55707aa4]::panicking::catch_unwind::<i32, &dyn core[df12db4294e9bfd3]::ops::function::Fn<(), Output = i32> + core[df12db4294e9bfd3]::panic::unwind_safe::RefUnwindSafe + core[df12db4294e9bfd3]::marker::Sync>
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/panicking.rs:544:19
[INFO] [stdout]   26:     0x57f68e53d599 - std[70759c8f55707aa4]::panic::catch_unwind::<&dyn core[df12db4294e9bfd3]::ops::function::Fn<(), Output = i32> + core[df12db4294e9bfd3]::panic::unwind_safe::RefUnwindSafe + core[df12db4294e9bfd3]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/panic.rs:359:14
[INFO] [stdout]   27:     0x57f68e53d599 - std[70759c8f55707aa4]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/rt.rs:175:24
[INFO] [stdout]   28:     0x57f68e53d599 - std[70759c8f55707aa4]::panicking::catch_unwind::do_call::<std[70759c8f55707aa4]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/panicking.rs:576:43
[INFO] [stdout]   29:     0x57f68e53d599 - std[70759c8f55707aa4]::panicking::catch_unwind::<isize, std[70759c8f55707aa4]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x57f68e53d599 - std[70759c8f55707aa4]::panic::catch_unwind::<std[70759c8f55707aa4]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x57f68e53d599 - std[70759c8f55707aa4]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/rt.rs:171:5
[INFO] [stdout]   32:     0x57f68e516bf1 - std[70759c8f55707aa4]::rt::lang_start::<()>
[INFO] [stdout]   33:     0x57f68e518d25 - main
[INFO] [stdout]   34:     0x7a7bed604601 - <unknown>
[INFO] [stdout]   35:     0x7a7bed604718 - __libc_start_main
[INFO] [stdout]   36:     0x57f68e516435 - _start
[INFO] [stdout]   37:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/connection.rs - connection::Connection::open (line 23)
[INFO] [stdout]     src/connection.rs - connection::Connection::send (line 48)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 2 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.31s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "02f606ffc11171cdc17e08ecb32039d1ea111c5c0aa008a3fc761353e3c9f327", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02f606ffc11171cdc17e08ecb32039d1ea111c5c0aa008a3fc761353e3c9f327", kill_on_drop: false }`
[INFO] [stdout] 02f606ffc11171cdc17e08ecb32039d1ea111c5c0aa008a3fc761353e3c9f327
