[INFO] fetching crate serial_enumerate 0.1.0...
[INFO] testing serial_enumerate-0.1.0 against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739-1
[INFO] extracting crate serial_enumerate 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate serial_enumerate 0.1.0
[INFO] finished tweaking crates.io crate serial_enumerate 0.1.0
[INFO] tweaked toml for crates.io crate serial_enumerate 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate serial_enumerate 0.1.0 on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 17 packages to latest compatible versions
[INFO] [stderr]       Adding error-chain v0.5.0 (available: v0.12.4)
[INFO] [stderr]       Adding winreg v0.4.0 (available: v0.56.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded winreg v0.4.0
[INFO] [stderr]   Downloaded ktmw32-sys v0.1.1
[INFO] [stderr]   Downloaded error-chain v0.5.0
[INFO] [stderr]   Downloaded rustc-serialize v0.3.25
[INFO] [stderr]   Downloaded advapi32-sys v0.2.0
[INFO] [stderr]   Downloaded backtrace v0.2.3
[INFO] [stderr]   Downloaded dbghelp-sys v0.2.0
[INFO] [stderr]   Downloaded backtrace-sys v0.1.37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 13d269b5c35a876cbfd2d94a0ff3a00bc3087afc0ed8ee32bf3c6640835b0fab
[INFO] running `Command { std: "docker" "start" "-a" "13d269b5c35a876cbfd2d94a0ff3a00bc3087afc0ed8ee32bf3c6640835b0fab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13d269b5c35a876cbfd2d94a0ff3a00bc3087afc0ed8ee32bf3c6640835b0fab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13d269b5c35a876cbfd2d94a0ff3a00bc3087afc0ed8ee32bf3c6640835b0fab", kill_on_drop: false }`
[INFO] [stdout] 13d269b5c35a876cbfd2d94a0ff3a00bc3087afc0ed8ee32bf3c6640835b0fab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e07b7ada86d5d26b9851f9d1fcadc11c8a7dba045ccf06c667e4c71e046a588
[INFO] running `Command { std: "docker" "start" "-a" "0e07b7ada86d5d26b9851f9d1fcadc11c8a7dba045ccf06c667e4c71e046a588", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling backtrace v0.2.3
[INFO] [stderr]    Compiling rustc-demangle v0.1.27
[INFO] [stderr]    Compiling backtrace-sys v0.1.37
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling error-chain v0.5.0
[INFO] [stderr]    Compiling serial_enumerate v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.41s
[INFO] running `Command { std: "docker" "inspect" "0e07b7ada86d5d26b9851f9d1fcadc11c8a7dba045ccf06c667e4c71e046a588", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e07b7ada86d5d26b9851f9d1fcadc11c8a7dba045ccf06c667e4c71e046a588", kill_on_drop: false }`
[INFO] [stdout] 0e07b7ada86d5d26b9851f9d1fcadc11c8a7dba045ccf06c667e4c71e046a588
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05ca3a8cc4e89a9dfd578af3de712d6e1c0c11f13c557f9afa2eb66261df0e35
[INFO] running `Command { std: "docker" "start" "-a" "05ca3a8cc4e89a9dfd578af3de712d6e1c0c11f13c557f9afa2eb66261df0e35", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling serial_enumerate v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "05ca3a8cc4e89a9dfd578af3de712d6e1c0c11f13c557f9afa2eb66261df0e35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05ca3a8cc4e89a9dfd578af3de712d6e1c0c11f13c557f9afa2eb66261df0e35", kill_on_drop: false }`
[INFO] [stdout] 05ca3a8cc4e89a9dfd578af3de712d6e1c0c11f13c557f9afa2eb66261df0e35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c924a96af30d2e2427d06a914ce91ab154f856ed68d0b4a3edd0ebbcd42467d7
[INFO] running `Command { std: "docker" "start" "-a" "c924a96af30d2e2427d06a914ce91ab154f856ed68d0b4a3edd0ebbcd42467d7", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/serial_enumerate-0df0c75eade8ee02)
[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 serial_enumerate
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 4) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 4) 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:5:58:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Error(Msg("/dev/serial not found"), (Some(Os { code: 2, kind: NotFound, message: "No such file or directory" }), Some(stack backtrace:
[INFO] [stdout]    0:     0x63d1d8b26c7d - backtrace[8ae284b39c8806c0]::backtrace::libunwind::trace
[INFO] [stdout]                         at src/backtrace/libunwind.rs:54
[INFO] [stdout]                          - backtrace[8ae284b39c8806c0]::backtrace::trace::<<backtrace[8ae284b39c8806c0]::capture::Backtrace>::new::{closure#0}>
[INFO] [stdout]                         at src/backtrace/mod.rs:70
[INFO] [stdout]    1:     0x63d1d8b286dd - <backtrace[8ae284b39c8806c0]::capture::Backtrace>::new
[INFO] [stdout]                         at /opt/rustwide/target/debug/build/backtrace-2bd8957e6fefeb94/out/capture.rs:79
[INFO] [stdout]    2:     0x63d1d8b25b99 - error_chain[24541bc7a82826ec]::make_backtrace
[INFO] [stdout]                         at src/lib.rs:684
[INFO] [stdout]    3:     0x63d1d8b22c96 - <core[e929cb53b82a81ca]::result::Result<std[29689e6404d28ef9]::fs::ReadDir, std[29689e6404d28ef9]::io::error::Error> as serial_enumerate[6bb014ce29f0b7c0]::errors::ChainErr<std[29689e6404d28ef9]::fs::ReadDir>>::chain_err::<serial_enumerate[6bb014ce29f0b7c0]::enumerate_serial_ports::{closure#0}, &str>::{closure#0}::{closure#0}
[INFO] [stdout]                         at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/error-chain-0.5.0/src/lib.rs:504
[INFO] [stdout]    4:     0x63d1d8b214ba - <core[e929cb53b82a81ca]::option::Option<core[e929cb53b82a81ca]::option::Option<alloc[9d7caffeb3b5d2c6]::sync::Arc<backtrace[8ae284b39c8806c0]::capture::Backtrace>>>>::unwrap_or_else::<<core[e929cb53b82a81ca]::result::Result<std[29689e6404d28ef9]::fs::ReadDir, std[29689e6404d28ef9]::io::error::Error> as serial_enumerate[6bb014ce29f0b7c0]::errors::ChainErr<std[29689e6404d28ef9]::fs::ReadDir>>::chain_err<serial_enumerate[6bb014ce29f0b7c0]::enumerate_serial_ports::{closure#0}, &str>::{closure#0}::{closure#0}>
[INFO] [stdout]                         at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/option.rs:1067
[INFO] [stdout]    5:     0x63d1d8b2255e - <core[e929cb53b82a81ca]::result::Result<std[29689e6404d28ef9]::fs::ReadDir, std[29689e6404d28ef9]::io::error::Error> as serial_enumerate[6bb014ce29f0b7c0]::errors::ChainErr<std[29689e6404d28ef9]::fs::ReadDir>>::chain_err::<serial_enumerate[6bb014ce29f0b7c0]::enumerate_serial_ports::{closure#0}, &str>::{closure#0}
[INFO] [stdout]                         at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/error-chain-0.5.0/src/lib.rs:503
[INFO] [stdout]    6:     0x63d1d8b2158f - <core[e929cb53b82a81ca]::result::Result<std[29689e6404d28ef9]::fs::ReadDir, std[29689e6404d28ef9]::io::error::Error>>::map_err::<serial_enumerate[6bb014ce29f0b7c0]::errors::Error, <core[e929cb53b82a81ca]::result::Result<std[29689e6404d28ef9]::fs::ReadDir, std[29689e6404d28ef9]::io::error::Error> as serial_enumerate[6bb014ce29f0b7c0]::errors::ChainErr<std[29689e6404d28ef9]::fs::ReadDir>>::chain_err<serial_enumerate[6bb014ce29f0b7c0]::enumerate_serial_ports::{closure#0}, &str>::{closure#0}>
[INFO] [stdout]                         at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/result.rs:968
[INFO] [stdout]    7:     0x63d1d8b22357 - <core[e929cb53b82a81ca]::result::Result<std[29689e6404d28ef9]::fs::ReadDir, std[29689e6404d28ef9]::io::error::Error> as serial_enumerate[6bb014ce29f0b7c0]::errors::ChainErr<std[29689e6404d28ef9]::fs::ReadDir>>::chain_err::<serial_enumerate[6bb014ce29f0b7c0]::enumerate_serial_ports::{closure#0}, &str>
[INFO] [stdout]                         at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/error-chain-0.5.0/src/lib.rs:500
[INFO] [stdout]    8:     0x63d1d8b22dd8 - serial_enumerate[6bb014ce29f0b7c0]::enumerate_serial_ports
[INFO] [stdout]                         at src/lib.rs:46
[INFO] [stdout]    9:     0x63d1d8b20dd1 - rust_out[a0c036232cb4117b]::main::_doctest_main_src_lib_rs_4_0
[INFO] [stdout]   10:     0x63d1d8b20d15 - rust_out[a0c036232cb4117b]::main
[INFO] [stdout]   11:     0x63d1d8b213d2 - <fn() as core[e929cb53b82a81ca]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   12:     0x63d1d8b20cd5 - std[29689e6404d28ef9]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]   13:     0x63d1d8b20ce8 - std[29689e6404d28ef9]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]   14:     0x63d1d8b77de6 - <&dyn core[e929cb53b82a81ca]::ops::function::Fn<(), Output = i32> + core[e929cb53b82a81ca]::panic::unwind_safe::RefUnwindSafe + core[e929cb53b82a81ca]::marker::Sync as core[e929cb53b82a81ca]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                         at library/core/src/ops/function.rs:287
[INFO] [stdout]                          - std[29689e6404d28ef9]::panicking::catch_unwind::do_call::<&dyn core[e929cb53b82a81ca]::ops::function::Fn<(), Output = i32> + core[e929cb53b82a81ca]::panic::unwind_safe::RefUnwindSafe + core[e929cb53b82a81ca]::marker::Sync, i32>
[INFO] [stdout]                         at library/std/src/panicking.rs:581
[INFO] [stdout]                          - std[29689e6404d28ef9]::panicking::catch_unwind::<i32, &dyn core[e929cb53b82a81ca]::ops::function::Fn<(), Output = i32> + core[e929cb53b82a81ca]::panic::unwind_safe::RefUnwindSafe + core[e929cb53b82a81ca]::marker::Sync>
[INFO] [stdout]                         at library/std/src/panicking.rs:544
[INFO] [stdout]                          - std[29689e6404d28ef9]::panic::catch_unwind::<&dyn core[e929cb53b82a81ca]::ops::function::Fn<(), Output = i32> + core[e929cb53b82a81ca]::panic::unwind_safe::RefUnwindSafe + core[e929cb53b82a81ca]::marker::Sync, i32>
[INFO] [stdout]                         at library/std/src/panic.rs:359
[INFO] [stdout]                          - std[29689e6404d28ef9]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                         at library/std/src/rt.rs:175
[INFO] [stdout]                          - std[29689e6404d28ef9]::panicking::catch_unwind::do_call::<std[29689e6404d28ef9]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                         at library/std/src/panicking.rs:581
[INFO] [stdout]                          - std[29689e6404d28ef9]::panicking::catch_unwind::<isize, std[29689e6404d28ef9]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                         at library/std/src/panicking.rs:544
[INFO] [stdout]                          - std[29689e6404d28ef9]::panic::catch_unwind::<std[29689e6404d28ef9]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                         at library/std/src/panic.rs:359
[INFO] [stdout]                          - std[29689e6404d28ef9]::rt::lang_start_internal
[INFO] [stdout]                         at library/std/src/rt.rs:171
[INFO] [stdout]   15:     0x63d1d8b20ca0 - std[29689e6404d28ef9]::rt::lang_start::<()>
[INFO] [stdout]   16:     0x63d1d8b21434 - main
[INFO] [stdout]   17:     0x766a97bca1c9 - <unknown>
[INFO] [stdout]   18:     0x766a97bca28a - __libc_start_main
[INFO] [stdout]   19:     0x63d1d8b20b74 - _start
[INFO] [stdout]   20:                0x0 - <unknown>)))
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x63d1d8b7c77a - std[29689e6404d28ef9]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x63d1d8b7c77a - std[29689e6404d28ef9]::backtrace_rs::backtrace::trace_unsynchronized::<std[29689e6404d28ef9]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x63d1d8b7c77a - std[29689e6404d28ef9]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x63d1d8b7c77a - <<std[29689e6404d28ef9]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[e929cb53b82a81ca]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x63d1d8b8d9da - <core[e929cb53b82a81ca]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x63d1d8b8d9da - core[e929cb53b82a81ca]::fmt::write
[INFO] [stdout]    6:     0x63d1d8b807e2 - std[29689e6404d28ef9]::io::default_write_fmt::<std[29689e6404d28ef9]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/io/mod.rs:621:11
[INFO] [stdout]    7:     0x63d1d8b807e2 - <std[29689e6404d28ef9]::sys::stdio::unix::Stderr as std[29689e6404d28ef9]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/io/mod.rs:1976:13
[INFO] [stdout]    8:     0x63d1d8b67bbf - <std[29689e6404d28ef9]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x63d1d8b67bbf - std[29689e6404d28ef9]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x63d1d8b78741 - std[29689e6404d28ef9]::panicking::default_hook
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:319:9
[INFO] [stdout]   11:     0x63d1d8b788fb - std[29689e6404d28ef9]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:825:13
[INFO] [stdout]   12:     0x63d1d8b67c78 - std[29689e6404d28ef9]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:698:13
[INFO] [stdout]   13:     0x63d1d8b5d079 - std[29689e6404d28ef9]::sys::backtrace::__rust_end_short_backtrace::<std[29689e6404d28ef9]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   14:     0x63d1d8b684dd - __rustc[3aed6af316653e63]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   15:     0x63d1d8b8e16c - core[e929cb53b82a81ca]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   16:     0x63d1d8b8dee2 - core[e929cb53b82a81ca]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/result.rs:1867:5
[INFO] [stdout]   17:     0x63d1d8b20e4a - rust_out[a0c036232cb4117b]::main::_doctest_main_src_lib_rs_4_0
[INFO] [stdout]   18:     0x63d1d8b20d16 - rust_out[a0c036232cb4117b]::main
[INFO] [stdout]   19:     0x63d1d8b213d3 - <fn() as core[e929cb53b82a81ca]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   20:     0x63d1d8b20cd6 - std[29689e6404d28ef9]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]   21:     0x63d1d8b20ce9 - std[29689e6404d28ef9]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]   22:     0x63d1d8b77de7 - <&dyn core[e929cb53b82a81ca]::ops::function::Fn<(), Output = i32> + core[e929cb53b82a81ca]::panic::unwind_safe::RefUnwindSafe + core[e929cb53b82a81ca]::marker::Sync as core[e929cb53b82a81ca]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   23:     0x63d1d8b77de7 - std[29689e6404d28ef9]::panicking::catch_unwind::do_call::<&dyn core[e929cb53b82a81ca]::ops::function::Fn<(), Output = i32> + core[e929cb53b82a81ca]::panic::unwind_safe::RefUnwindSafe + core[e929cb53b82a81ca]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   24:     0x63d1d8b77de7 - std[29689e6404d28ef9]::panicking::catch_unwind::<i32, &dyn core[e929cb53b82a81ca]::ops::function::Fn<(), Output = i32> + core[e929cb53b82a81ca]::panic::unwind_safe::RefUnwindSafe + core[e929cb53b82a81ca]::marker::Sync>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   25:     0x63d1d8b77de7 - std[29689e6404d28ef9]::panic::catch_unwind::<&dyn core[e929cb53b82a81ca]::ops::function::Fn<(), Output = i32> + core[e929cb53b82a81ca]::panic::unwind_safe::RefUnwindSafe + core[e929cb53b82a81ca]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panic.rs:359:14
[INFO] [stdout]   26:     0x63d1d8b77de7 - std[29689e6404d28ef9]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/rt.rs:175:24
[INFO] [stdout]   27:     0x63d1d8b77de7 - std[29689e6404d28ef9]::panicking::catch_unwind::do_call::<std[29689e6404d28ef9]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   28:     0x63d1d8b77de7 - std[29689e6404d28ef9]::panicking::catch_unwind::<isize, std[29689e6404d28ef9]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   29:     0x63d1d8b77de7 - std[29689e6404d28ef9]::panic::catch_unwind::<std[29689e6404d28ef9]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x63d1d8b77de7 - std[29689e6404d28ef9]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/rt.rs:171:5
[INFO] [stdout]   31:     0x63d1d8b20ca1 - std[29689e6404d28ef9]::rt::lang_start::<()>
[INFO] [stdout]   32:     0x63d1d8b21435 - main
[INFO] [stdout]   33:     0x766a97bca1ca - <unknown>
[INFO] [stdout]   34:     0x766a97bca28b - __libc_start_main
[INFO] [stdout]   35:     0x63d1d8b20b75 - _start
[INFO] [stdout]   36:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 4)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.40s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "c924a96af30d2e2427d06a914ce91ab154f856ed68d0b4a3edd0ebbcd42467d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c924a96af30d2e2427d06a914ce91ab154f856ed68d0b4a3edd0ebbcd42467d7", kill_on_drop: false }`
[INFO] [stdout] c924a96af30d2e2427d06a914ce91ab154f856ed68d0b4a3edd0ebbcd42467d7
