[INFO] cloning repository https://github.com/EchoRust/chongyoucar
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/EchoRust/chongyoucar" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEchoRust%2Fchongyoucar", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEchoRust%2Fchongyoucar'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3da4eef551c21a95e880c7c3c3bbba6298a79cae
[INFO] testing EchoRust/chongyoucar against try#28f95933dc0727396c07b48d0a8cb5211b7fb472 for pr-154065-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEchoRust%2Fchongyoucar" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/EchoRust/chongyoucar
[INFO] finished tweaking git repo https://github.com/EchoRust/chongyoucar
[INFO] tweaked toml for git repo https://github.com/EchoRust/chongyoucar written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/EchoRust/chongyoucar on toolchain 28f95933dc0727396c07b48d0a8cb5211b7fb472
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+28f95933dc0727396c07b48d0a8cb5211b7fb472" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/EchoRust/chongyoucar 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" "+28f95933dc0727396c07b48d0a8cb5211b7fb472" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+28f95933dc0727396c07b48d0a8cb5211b7fb472" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bdcc38baa25bef2d89578f41f4e6cd38e3370bd611803540ebd25f7b33efc220
[INFO] running `Command { std: "docker" "start" "-a" "bdcc38baa25bef2d89578f41f4e6cd38e3370bd611803540ebd25f7b33efc220", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bdcc38baa25bef2d89578f41f4e6cd38e3370bd611803540ebd25f7b33efc220", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdcc38baa25bef2d89578f41f4e6cd38e3370bd611803540ebd25f7b33efc220", kill_on_drop: false }`
[INFO] [stdout] bdcc38baa25bef2d89578f41f4e6cd38e3370bd611803540ebd25f7b33efc220
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+28f95933dc0727396c07b48d0a8cb5211b7fb472" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca7e3af5d9dcda3826eacd2c458d99090b7ba8e68dd3af54644dc2dd7bd82a14
[INFO] running `Command { std: "docker" "start" "-a" "ca7e3af5d9dcda3826eacd2c458d99090b7ba8e68dd3af54644dc2dd7bd82a14", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling libc v0.2.164
[INFO] [stderr]    Compiling serde v1.0.215
[INFO] [stderr]    Compiling anyhow v1.0.93
[INFO] [stderr]    Compiling serde_json v1.0.133
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling itoa v1.0.13
[INFO] [stderr]    Compiling dotenv v0.15.0
[INFO] [stderr]    Compiling ioctl-rs v0.1.6
[INFO] [stderr]    Compiling serial-core v0.4.0
[INFO] [stderr]    Compiling termios v0.2.2
[INFO] [stderr]    Compiling serial-unix v0.4.0
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling serial v0.4.0
[INFO] [stderr]    Compiling syn v2.0.89
[INFO] [stderr]    Compiling serde_derive v1.0.215
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling chongyoucar v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum `CommandType` is never used
[INFO] [stdout]  --> src/enums.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub enum CommandType {
[INFO] [stdout]   |          ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.11s
[INFO] running `Command { std: "docker" "inspect" "ca7e3af5d9dcda3826eacd2c458d99090b7ba8e68dd3af54644dc2dd7bd82a14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca7e3af5d9dcda3826eacd2c458d99090b7ba8e68dd3af54644dc2dd7bd82a14", kill_on_drop: false }`
[INFO] [stdout] ca7e3af5d9dcda3826eacd2c458d99090b7ba8e68dd3af54644dc2dd7bd82a14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+28f95933dc0727396c07b48d0a8cb5211b7fb472" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b024d9addb48699ffeae20cc80f0131296a5d2d4de1c05e2d5b4c5be88778e24
[INFO] running `Command { std: "docker" "start" "-a" "b024d9addb48699ffeae20cc80f0131296a5d2d4de1c05e2d5b4c5be88778e24", kill_on_drop: false }`
[INFO] [stdout] warning: enum `CommandType` is never used
[INFO] [stdout]  --> src/enums.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub enum CommandType {
[INFO] [stdout]   |          ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling chongyoucar v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum `CommandType` is never used
[INFO] [stdout]  --> src/enums.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub enum CommandType {
[INFO] [stdout]   |          ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "b024d9addb48699ffeae20cc80f0131296a5d2d4de1c05e2d5b4c5be88778e24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b024d9addb48699ffeae20cc80f0131296a5d2d4de1c05e2d5b4c5be88778e24", kill_on_drop: false }`
[INFO] [stdout] b024d9addb48699ffeae20cc80f0131296a5d2d4de1c05e2d5b4c5be88778e24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+28f95933dc0727396c07b48d0a8cb5211b7fb472" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b75e66aa397be93875384cd62bf6d14c15b43e15e35cf6ced7cde8643a813ba8
[INFO] running `Command { std: "docker" "start" "-a" "b75e66aa397be93875384cd62bf6d14c15b43e15e35cf6ced7cde8643a813ba8", kill_on_drop: false }`
[INFO] [stderr] warning: enum `CommandType` is never used
[INFO] [stderr]  --> src/enums.rs:6:10
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub enum CommandType {
[INFO] [stderr]   |          ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `chongyoucar` (lib) generated 1 warning
[INFO] [stderr] warning: `chongyoucar` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/chongyoucar-d6072119091e661a)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests chongyoucar
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - connect (line 16) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - connect (line 16) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] 
[INFO] [stdout] thread 'main' (48) panicked at src/lib.rs:5:51:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: serial connect fail
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <anyhow::Error as core::convert::From<chongyoucar::error::Error>>::from
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.93/src/backtrace.rs:27:14
[INFO] [stdout]    1: <core::result::Result<std::sync::mpsc::Sender<(f64, f64)>, anyhow::Error> as core::ops::try_trait::FromResidual<core::result::Result<core::convert::Infallible, chongyoucar::error::Error>>>::from_residual
[INFO] [stdout]              at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/result.rs:2194:27
[INFO] [stdout]    2: chongyoucar::connect
[INFO] [stdout]              at ./src/lib.rs:33:19
[INFO] [stdout]    3: rust_out::main::_doctest_main_src_lib_rs_16_0
[INFO] [stdout]    4: rust_out::main
[INFO] [stdout]    5: <fn() as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]    6: std::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]    7: std::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]    8: <&dyn core::ops::function::Fn<(), Output = i32> + core::panic::unwind_safe::RefUnwindSafe + core::marker::Sync as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/ops/function.rs:287:21
[INFO] [stdout]    9: std::panicking::catch_unwind::do_call::<&dyn core::ops::function::Fn<(), Output = i32> + core::panic::unwind_safe::RefUnwindSafe + core::marker::Sync, i32>
[INFO] [stdout]              at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:581:40
[INFO] [stdout]   10: std::panicking::catch_unwind::<i32, &dyn core::ops::function::Fn<(), Output = i32> + core::panic::unwind_safe::RefUnwindSafe + core::marker::Sync>
[INFO] [stdout]              at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:544:19
[INFO] [stdout]   11: std::panic::catch_unwind::<&dyn core::ops::function::Fn<(), Output = i32> + core::panic::unwind_safe::RefUnwindSafe + core::marker::Sync, i32>
[INFO] [stdout]              at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panic.rs:359:14
[INFO] [stdout]   12: std::rt::lang_start_internal::{closure#0}
[INFO] [stdout]              at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/rt.rs:175:24
[INFO] [stdout]   13: std::panicking::catch_unwind::do_call::<std::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]              at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:581:40
[INFO] [stdout]   14: std::panicking::catch_unwind::<isize, std::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]              at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:544:19
[INFO] [stdout]   15: std::panic::catch_unwind::<std::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]              at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panic.rs:359:14
[INFO] [stdout]   16: std::rt::lang_start_internal
[INFO] [stdout]              at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/rt.rs:171:5
[INFO] [stdout]   17: std::rt::lang_start::<()>
[INFO] [stdout]   18: main
[INFO] [stdout]   19: <unknown>
[INFO] [stdout]   20: __libc_start_main
[INFO] [stdout]   21: _start
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x573e9e1a8ae8 - std[d054f6f42beb1baa]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x573e9e1a8ae8 - std[d054f6f42beb1baa]::backtrace_rs::backtrace::trace_unsynchronized::<std[d054f6f42beb1baa]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x573e9e1a8ae8 - std[d054f6f42beb1baa]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x573e9e1a8ae8 - <<std[d054f6f42beb1baa]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[5a1c3e9896636f3a]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x573e9e1b9bca - <core[5a1c3e9896636f3a]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x573e9e1b9bca - core[5a1c3e9896636f3a]::fmt::write
[INFO] [stdout]    6:     0x573e9e1ac8e2 - std[d054f6f42beb1baa]::io::default_write_fmt::<std[d054f6f42beb1baa]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x573e9e1ac8e2 - <std[d054f6f42beb1baa]::sys::stdio::unix::Stderr as std[d054f6f42beb1baa]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x573e9e192e36 - <std[d054f6f42beb1baa]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x573e9e192e36 - std[d054f6f42beb1baa]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x573e9e1a47c1 - std[d054f6f42beb1baa]::panicking::default_hook
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:319:9
[INFO] [stdout]   11:     0x573e9e1a497b - std[d054f6f42beb1baa]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:825:13
[INFO] [stdout]   12:     0x573e9e192ef2 - std[d054f6f42beb1baa]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:698:13
[INFO] [stdout]   13:     0x573e9e18a5c9 - std[d054f6f42beb1baa]::sys::backtrace::__rust_end_short_backtrace::<std[d054f6f42beb1baa]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   14:     0x573e9e1937cd - __rustc[7ab284efd7f33ea8]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:689:5
[INFO] [stdout]   15:     0x573e9e1ba35c - core[5a1c3e9896636f3a]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/panicking.rs:80:14
[INFO] [stdout]   16:     0x573e9e1ba0d2 - core[5a1c3e9896636f3a]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/result.rs:1872:5
[INFO] [stdout]   17:     0x573e9e15f85f - rust_out[b843b8eaa9a15723]::main::_doctest_main_src_lib_rs_16_0
[INFO] [stdout]   18:     0x573e9e15d1d6 - rust_out[b843b8eaa9a15723]::main
[INFO] [stdout]   19:     0x573e9e15fad3 - <fn() as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   20:     0x573e9e15bee6 - std[d054f6f42beb1baa]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]   21:     0x573e9e15c6f9 - std[d054f6f42beb1baa]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]   22:     0x573e9e1a3d67 - <&dyn core[5a1c3e9896636f3a]::ops::function::Fn<(), Output = i32> + core[5a1c3e9896636f3a]::panic::unwind_safe::RefUnwindSafe + core[5a1c3e9896636f3a]::marker::Sync as core[5a1c3e9896636f3a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   23:     0x573e9e1a3d67 - std[d054f6f42beb1baa]::panicking::catch_unwind::do_call::<&dyn core[5a1c3e9896636f3a]::ops::function::Fn<(), Output = i32> + core[5a1c3e9896636f3a]::panic::unwind_safe::RefUnwindSafe + core[5a1c3e9896636f3a]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:581:40
[INFO] [stdout]   24:     0x573e9e1a3d67 - std[d054f6f42beb1baa]::panicking::catch_unwind::<i32, &dyn core[5a1c3e9896636f3a]::ops::function::Fn<(), Output = i32> + core[5a1c3e9896636f3a]::panic::unwind_safe::RefUnwindSafe + core[5a1c3e9896636f3a]::marker::Sync>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:544:19
[INFO] [stdout]   25:     0x573e9e1a3d67 - std[d054f6f42beb1baa]::panic::catch_unwind::<&dyn core[5a1c3e9896636f3a]::ops::function::Fn<(), Output = i32> + core[5a1c3e9896636f3a]::panic::unwind_safe::RefUnwindSafe + core[5a1c3e9896636f3a]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panic.rs:359:14
[INFO] [stdout]   26:     0x573e9e1a3d67 - std[d054f6f42beb1baa]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/rt.rs:175:24
[INFO] [stdout]   27:     0x573e9e1a3d67 - std[d054f6f42beb1baa]::panicking::catch_unwind::do_call::<std[d054f6f42beb1baa]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:581:40
[INFO] [stdout]   28:     0x573e9e1a3d67 - std[d054f6f42beb1baa]::panicking::catch_unwind::<isize, std[d054f6f42beb1baa]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panicking.rs:544:19
[INFO] [stdout]   29:     0x573e9e1a3d67 - std[d054f6f42beb1baa]::panic::catch_unwind::<std[d054f6f42beb1baa]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x573e9e1a3d67 - std[d054f6f42beb1baa]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/28f95933dc0727396c07b48d0a8cb5211b7fb472/library/std/src/rt.rs:171:5
[INFO] [stdout]   31:     0x573e9e15ba71 - std[d054f6f42beb1baa]::rt::lang_start::<()>
[INFO] [stdout]   32:     0x573e9e15fbd5 - main
[INFO] [stdout]   33:     0x717d6da851ca - <unknown>
[INFO] [stdout]   34:     0x717d6da8528b - __libc_start_main
[INFO] [stdout]   35:     0x573e9e15b605 - _start
[INFO] [stdout]   36:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - connect (line 16)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 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" "b75e66aa397be93875384cd62bf6d14c15b43e15e35cf6ced7cde8643a813ba8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b75e66aa397be93875384cd62bf6d14c15b43e15e35cf6ced7cde8643a813ba8", kill_on_drop: false }`
[INFO] [stdout] b75e66aa397be93875384cd62bf6d14c15b43e15e35cf6ced7cde8643a813ba8
