[INFO] fetching crate serial_enumerate 0.1.0...
[INFO] testing serial_enumerate-0.1.0 against 1.76.0 for beta-1.77-1
[INFO] extracting crate serial_enumerate 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate serial_enumerate 0.1.0 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ktmw32-sys v0.1.1
[INFO] [stderr]   Downloaded winreg v0.4.0
[INFO] [stderr]   Downloaded advapi32-sys v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2da1fcb5b06a09a11814af5ec257f0403841859221e3ae3cc153819bfd12502f
[INFO] running `Command { std: "docker" "start" "-a" "2da1fcb5b06a09a11814af5ec257f0403841859221e3ae3cc153819bfd12502f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2da1fcb5b06a09a11814af5ec257f0403841859221e3ae3cc153819bfd12502f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2da1fcb5b06a09a11814af5ec257f0403841859221e3ae3cc153819bfd12502f", kill_on_drop: false }`
[INFO] [stdout] 2da1fcb5b06a09a11814af5ec257f0403841859221e3ae3cc153819bfd12502f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 603254917db6e135b6796182da48c52918a1d6e1705463de95c7cd0bc9a5042b
[INFO] running `Command { std: "docker" "start" "-a" "603254917db6e135b6796182da48c52918a1d6e1705463de95c7cd0bc9a5042b", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling cc v1.0.85
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling backtrace v0.2.3
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling rustc-demangle v0.1.23
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.37
[INFO] [stderr]    Compiling error-chain v0.5.0
[INFO] [stderr]    Compiling serial_enumerate v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.38s
[INFO] running `Command { std: "docker" "inspect" "603254917db6e135b6796182da48c52918a1d6e1705463de95c7cd0bc9a5042b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "603254917db6e135b6796182da48c52918a1d6e1705463de95c7cd0bc9a5042b", kill_on_drop: false }`
[INFO] [stdout] 603254917db6e135b6796182da48c52918a1d6e1705463de95c7cd0bc9a5042b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 56fe297ca7a503a43792213cab8f7e8f2b86127113fa20ae96f3b1d161118ec7
[INFO] running `Command { std: "docker" "start" "-a" "56fe297ca7a503a43792213cab8f7e8f2b86127113fa20ae96f3b1d161118ec7", kill_on_drop: false }`
[INFO] [stderr]    Compiling serial_enumerate v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "56fe297ca7a503a43792213cab8f7e8f2b86127113fa20ae96f3b1d161118ec7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56fe297ca7a503a43792213cab8f7e8f2b86127113fa20ae96f3b1d161118ec7", kill_on_drop: false }`
[INFO] [stdout] 56fe297ca7a503a43792213cab8f7e8f2b86127113fa20ae96f3b1d161118ec7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a9c6f7fcf2004e6157cab7b82839f5eacb4f209432cb9759cdca45a34df10778
[INFO] running `Command { std: "docker" "start" "-a" "a9c6f7fcf2004e6157cab7b82839f5eacb4f209432cb9759cdca45a34df10778", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/serial_enumerate-359ad48f52cee717)
[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] thread 'main' 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:     0x55ccc0553540 - backtrace::backtrace::libunwind::trace::ha8d8668661975b4c
[INFO] [stdout]                         at src/backtrace/libunwind.rs:54
[INFO] [stdout]                          - backtrace::backtrace::trace::hdec7f74e6a8fc5d7
[INFO] [stdout]                         at src/backtrace/mod.rs:70
[INFO] [stdout]    1:     0x55ccc0559a78 - backtrace::capture::Backtrace::new::hb2b33bda87f1daf3
[INFO] [stdout]                         at /opt/rustwide/target/debug/build/backtrace-b4daa4ab5be28ff6/out/capture.rs:79
[INFO] [stdout]    2:     0x55ccc054fe47 - error_chain::make_backtrace::h5a4a3a8faba186d8
[INFO] [stdout]                         at src/lib.rs:684
[INFO] [stdout]    3:     0x55ccc054f046 - <core::result::Result<T,E> as serial_enumerate::errors::ChainErr<T>>::chain_err::{{closure}}::{{closure}}::h183cf2be67923cb4
[INFO] [stdout]                         at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/error-chain-0.5.0/src/lib.rs:504
[INFO] [stdout]    4:     0x55ccc054b653 - core::option::Option<T>::unwrap_or_else::h1ec5957b22a42beb
[INFO] [stdout]                         at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/option.rs:976
[INFO] [stdout]    5:     0x55ccc054eeb6 - <core::result::Result<T,E> as serial_enumerate::errors::ChainErr<T>>::chain_err::{{closure}}::hc99cbdc3f0636e33
[INFO] [stdout]                         at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/error-chain-0.5.0/src/lib.rs:503
[INFO] [stdout]    6:     0x55ccc054baad - core::result::Result<T,E>::map_err::hfca899918f2f18db
[INFO] [stdout]                         at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/result.rs:829
[INFO] [stdout]    7:     0x55ccc054e741 - <core::result::Result<T,E> as serial_enumerate::errors::ChainErr<T>>::chain_err::h58e38155338e71ca
[INFO] [stdout]                         at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/error-chain-0.5.0/src/lib.rs:500
[INFO] [stdout]    8:     0x55ccc054de08 - serial_enumerate::enumerate_serial_ports::h412614a35442bd47
[INFO] [stdout]                         at src/lib.rs:46
[INFO] [stdout]    9:     0x55ccc054a671 - rust_out::main::_doctest_main_src_lib_rs_4_0::hd1eb1b1160975925
[INFO] [stdout]   10:     0x55ccc054a655 - rust_out::main::h7d13ed1f0b74fb4f
[INFO] [stdout]   11:     0x55ccc054a0b2 - core::ops::function::FnOnce::call_once::h9310bc2590e31970
[INFO] [stdout]   12:     0x55ccc0549ea5 - std::sys_common::backtrace::__rust_begin_short_backtrace::haeb71db878654b8a
[INFO] [stdout]   13:     0x55ccc0549ef8 - std::rt::lang_start::{{closure}}::h3fc7e49d09688110
[INFO] [stdout]   14:     0x55ccc0598d10 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h37600b1e5eea4ecd
[INFO] [stdout]                         at library/core/src/ops/function.rs:284
[INFO] [stdout]                          - std::panicking::try::do_call::hb4bda49fa13a0c2b
[INFO] [stdout]                         at library/std/src/panicking.rs:552
[INFO] [stdout]                          - std::panicking::try::h8bbf75149211aaaa
[INFO] [stdout]                         at library/std/src/panicking.rs:516
[INFO] [stdout]                          - std::panic::catch_unwind::h8c78ec68ebea34cb
[INFO] [stdout]                         at library/std/src/panic.rs:142
[INFO] [stdout]                          - std::rt::lang_start_internal::{{closure}}::hffdf44a19fd9e220
[INFO] [stdout]                         at library/std/src/rt.rs:148
[INFO] [stdout]                          - std::panicking::try::do_call::hcb3194972c74716d
[INFO] [stdout]                         at library/std/src/panicking.rs:552
[INFO] [stdout]                          - std::panicking::try::hcdc6892c5f0dba4c
[INFO] [stdout]                         at library/std/src/panicking.rs:516
[INFO] [stdout]                          - std::panic::catch_unwind::h4910beb4573f4776
[INFO] [stdout]                         at library/std/src/panic.rs:142
[INFO] [stdout]                          - std::rt::lang_start_internal::h6939038e2873596b
[INFO] [stdout]                         at library/std/src/rt.rs:148
[INFO] [stdout]   15:     0x55ccc0549ed6 - std::rt::lang_start::hd109d716ba1a5b01
[INFO] [stdout]   16:     0x55ccc054a854 - main
[INFO] [stdout]   17:     0x7fef6b5e4d8f - <unknown>
[INFO] [stdout]   18:     0x7fef6b5e4e3f - __libc_start_main
[INFO] [stdout]   19:     0x55ccc0549ad4 - _start
[INFO] [stdout]   20:                0x0 - <unknown>)))
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55ccc059d9b6 - std::backtrace_rs::backtrace::libunwind::trace::hbee8a7973eeb6c93
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x55ccc059d9b6 - std::backtrace_rs::backtrace::trace_unsynchronized::hc8ac75eea3aa6899
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55ccc059d9b6 - std::sys_common::backtrace::_print_fmt::hc7f3e3b5298b1083
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x55ccc059d9b6 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hbb235daedd7c6190
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55ccc05bcca0 - core::fmt::rt::Argument::fmt::h76c38a80d925a410
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x55ccc05bcca0 - core::fmt::write::h3ed6aeaa977c8e45
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x55ccc059bc7f - std::io::Write::write_fmt::h78b18af5775fedb5
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/io/mod.rs:1810:15
[INFO] [stdout]    7:     0x55ccc059d794 - std::sys_common::backtrace::_print::h5d645a07e0fcfdbb
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55ccc059d794 - std::sys_common::backtrace::print::h85035a511aafe7a8
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55ccc059ecf7 - std::panicking::default_hook::{{closure}}::hcce8cea212785a25
[INFO] [stdout]   10:     0x55ccc059ea59 - std::panicking::default_hook::hf5fcb0f213fe709a
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:292:9
[INFO] [stdout]   11:     0x55ccc059f188 - std::panicking::rust_panic_with_hook::h095fccf1dc9379ee
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:779:13
[INFO] [stdout]   12:     0x55ccc059f062 - std::panicking::begin_panic_handler::{{closure}}::h032ba12139b353db
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:657:13
[INFO] [stdout]   13:     0x55ccc059deb6 - std::sys_common::backtrace::__rust_end_short_backtrace::h9259bc2ff8fd0f76
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   14:     0x55ccc059edc0 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:645:5
[INFO] [stdout]   15:     0x55ccc05493a5 - core::panicking::panic_fmt::h784f20a50eaab275
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panicking.rs:72:14
[INFO] [stdout]   16:     0x55ccc0549813 - core::result::unwrap_failed::h03d8a5018196e1cd
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/result.rs:1649:5
[INFO] [stdout]   17:     0x55ccc054a2d4 - core::result::Result<T,E>::unwrap::h1bc563ca82658383
[INFO] [stdout]   18:     0x55ccc054a688 - rust_out::main::_doctest_main_src_lib_rs_4_0::hd1eb1b1160975925
[INFO] [stdout]   19:     0x55ccc054a656 - rust_out::main::h7d13ed1f0b74fb4f
[INFO] [stdout]   20:     0x55ccc054a0b3 - core::ops::function::FnOnce::call_once::h9310bc2590e31970
[INFO] [stdout]   21:     0x55ccc0549ea6 - std::sys_common::backtrace::__rust_begin_short_backtrace::haeb71db878654b8a
[INFO] [stdout]   22:     0x55ccc0549ef9 - std::rt::lang_start::{{closure}}::h3fc7e49d09688110
[INFO] [stdout]   23:     0x55ccc0598d11 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h37600b1e5eea4ecd
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:284:13
[INFO] [stdout]   24:     0x55ccc0598d11 - std::panicking::try::do_call::hb4bda49fa13a0c2b
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:552:40
[INFO] [stdout]   25:     0x55ccc0598d11 - std::panicking::try::h8bbf75149211aaaa
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:516:19
[INFO] [stdout]   26:     0x55ccc0598d11 - std::panic::catch_unwind::h8c78ec68ebea34cb
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panic.rs:142:14
[INFO] [stdout]   27:     0x55ccc0598d11 - std::rt::lang_start_internal::{{closure}}::hffdf44a19fd9e220
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/rt.rs:148:48
[INFO] [stdout]   28:     0x55ccc0598d11 - std::panicking::try::do_call::hcb3194972c74716d
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:552:40
[INFO] [stdout]   29:     0x55ccc0598d11 - std::panicking::try::hcdc6892c5f0dba4c
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:516:19
[INFO] [stdout]   30:     0x55ccc0598d11 - std::panic::catch_unwind::h4910beb4573f4776
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panic.rs:142:14
[INFO] [stdout]   31:     0x55ccc0598d11 - std::rt::lang_start_internal::h6939038e2873596b
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/rt.rs:148:20
[INFO] [stdout]   32:     0x55ccc0549ed7 - std::rt::lang_start::hd109d716ba1a5b01
[INFO] [stdout]   33:     0x55ccc054a855 - main
[INFO] [stdout]   34:     0x7fef6b5e4d90 - <unknown>
[INFO] [stdout]   35:     0x7fef6b5e4e40 - __libc_start_main
[INFO] [stdout]   36:     0x55ccc0549ad5 - _start
[INFO] [stdout]   37:                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 0.22s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "a9c6f7fcf2004e6157cab7b82839f5eacb4f209432cb9759cdca45a34df10778", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9c6f7fcf2004e6157cab7b82839f5eacb4f209432cb9759cdca45a34df10778", kill_on_drop: false }`
[INFO] [stdout] a9c6f7fcf2004e6157cab7b82839f5eacb4f209432cb9759cdca45a34df10778
[INFO] testing serial_enumerate-0.1.0 against beta-2024-02-10 for beta-1.77-1
[INFO] extracting crate serial_enumerate 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate serial_enumerate 0.1.0 on toolchain beta-2024-02-10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1076866d042df8e69c620447a216a14cf60495ed20650faac86517a97cb2de2e
[INFO] running `Command { std: "docker" "start" "-a" "1076866d042df8e69c620447a216a14cf60495ed20650faac86517a97cb2de2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1076866d042df8e69c620447a216a14cf60495ed20650faac86517a97cb2de2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1076866d042df8e69c620447a216a14cf60495ed20650faac86517a97cb2de2e", kill_on_drop: false }`
[INFO] [stdout] 1076866d042df8e69c620447a216a14cf60495ed20650faac86517a97cb2de2e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c780285fd6346fe7d3cac9a37b446d4790de3e42a0de79df3f8fa6b0aad41e4
[INFO] running `Command { std: "docker" "start" "-a" "7c780285fd6346fe7d3cac9a37b446d4790de3e42a0de79df3f8fa6b0aad41e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling cc v1.0.85
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling backtrace v0.2.3
[INFO] [stderr]    Compiling rustc-demangle v0.1.23
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.37
[INFO] [stderr]    Compiling error-chain v0.5.0
[INFO] [stderr]    Compiling serial_enumerate v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.37s
[INFO] running `Command { std: "docker" "inspect" "7c780285fd6346fe7d3cac9a37b446d4790de3e42a0de79df3f8fa6b0aad41e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c780285fd6346fe7d3cac9a37b446d4790de3e42a0de79df3f8fa6b0aad41e4", kill_on_drop: false }`
[INFO] [stdout] 7c780285fd6346fe7d3cac9a37b446d4790de3e42a0de79df3f8fa6b0aad41e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3202d1d07a41bb58170e18b8f9b26dd52fb213e4037a7e9897453a14166a2090
[INFO] running `Command { std: "docker" "start" "-a" "3202d1d07a41bb58170e18b8f9b26dd52fb213e4037a7e9897453a14166a2090", kill_on_drop: false }`
[INFO] [stderr]    Compiling serial_enumerate v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "3202d1d07a41bb58170e18b8f9b26dd52fb213e4037a7e9897453a14166a2090", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3202d1d07a41bb58170e18b8f9b26dd52fb213e4037a7e9897453a14166a2090", kill_on_drop: false }`
[INFO] [stdout] 3202d1d07a41bb58170e18b8f9b26dd52fb213e4037a7e9897453a14166a2090
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fb335936ada6c95cd013777a27e23518873c61762aac1ca9f3d57791ba1cd214
[INFO] running `Command { std: "docker" "start" "-a" "fb335936ada6c95cd013777a27e23518873c61762aac1ca9f3d57791ba1cd214", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/serial_enumerate-38de3374af3eb120)
[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] thread 'main' 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:     0x5574ff9123e0 - backtrace::backtrace::libunwind::trace::h67c889befe14db68
[INFO] [stdout]                         at src/backtrace/libunwind.rs:54
[INFO] [stdout]                          - backtrace::backtrace::trace::hb7d803ab14ea4726
[INFO] [stdout]                         at src/backtrace/mod.rs:70
[INFO] [stdout]    1:     0x5574ff9158d8 - backtrace::capture::Backtrace::new::hcd1d87cc60a76602
[INFO] [stdout]                         at /opt/rustwide/target/debug/build/backtrace-b78e80963bc126c2/out/capture.rs:79
[INFO] [stdout]    2:     0x5574ff90e127 - error_chain::make_backtrace::h0d8d38bb6224b24b
[INFO] [stdout]                         at src/lib.rs:684
[INFO] [stdout]    3:     0x5574ff90d426 - <core::result::Result<T,E> as serial_enumerate::errors::ChainErr<T>>::chain_err::{{closure}}::{{closure}}::h882f09cdf8dc7c6d
[INFO] [stdout]                         at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/error-chain-0.5.0/src/lib.rs:504
[INFO] [stdout]    4:     0x5574ff909a13 - core::option::Option<T>::unwrap_or_else::hccfd585f67445bf2
[INFO] [stdout]                         at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/option.rs:976
[INFO] [stdout]    5:     0x5574ff90d286 - <core::result::Result<T,E> as serial_enumerate::errors::ChainErr<T>>::chain_err::{{closure}}::hcb579e06f051a334
[INFO] [stdout]                         at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/error-chain-0.5.0/src/lib.rs:503
[INFO] [stdout]    6:     0x5574ff909bcd - core::result::Result<T,E>::map_err::h16cdf89de11e7841
[INFO] [stdout]                         at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/result.rs:829
[INFO] [stdout]    7:     0x5574ff90cb11 - <core::result::Result<T,E> as serial_enumerate::errors::ChainErr<T>>::chain_err::h12b136876b267458
[INFO] [stdout]                         at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/error-chain-0.5.0/src/lib.rs:500
[INFO] [stdout]    8:     0x5574ff90c1c8 - serial_enumerate::enumerate_serial_ports::hf60f42eb64611860
[INFO] [stdout]                         at src/lib.rs:46
[INFO] [stdout]    9:     0x5574ff908671 - rust_out::main::_doctest_main_src_lib_rs_4_0::h557387d92400ff73
[INFO] [stdout]   10:     0x5574ff908655 - rust_out::main::hff4e5118cb484971
[INFO] [stdout]   11:     0x5574ff908192 - core::ops::function::FnOnce::call_once::h07035dc3b47525ba
[INFO] [stdout]   12:     0x5574ff907eb5 - std::sys_common::backtrace::__rust_begin_short_backtrace::h27e28290e6a5ea6b
[INFO] [stdout]   13:     0x5574ff907f08 - std::rt::lang_start::{{closure}}::hc9e353f29d6b9183
[INFO] [stdout]   14:     0x5574ff956d30 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hb70d08830a5ade10
[INFO] [stdout]                         at library/core/src/ops/function.rs:284
[INFO] [stdout]                          - std::panicking::try::do_call::h22b4f7e5a6651b4a
[INFO] [stdout]                         at library/std/src/panicking.rs:554
[INFO] [stdout]                          - std::panicking::try::hc21d1712e01c2e20
[INFO] [stdout]                         at library/std/src/panicking.rs:518
[INFO] [stdout]                          - std::panic::catch_unwind::h043dedc9b446785f
[INFO] [stdout]                         at library/std/src/panic.rs:142
[INFO] [stdout]                          - std::rt::lang_start_internal::{{closure}}::hd5b437811c37f411
[INFO] [stdout]                         at library/std/src/rt.rs:148
[INFO] [stdout]                          - std::panicking::try::do_call::hd87c54a927c7af49
[INFO] [stdout]                         at library/std/src/panicking.rs:554
[INFO] [stdout]                          - std::panicking::try::hf94d97659ed75d92
[INFO] [stdout]                         at library/std/src/panicking.rs:518
[INFO] [stdout]                          - std::panic::catch_unwind::h2ddd57de1d25402e
[INFO] [stdout]                         at library/std/src/panic.rs:142
[INFO] [stdout]                          - std::rt::lang_start_internal::h7fecc45801af5220
[INFO] [stdout]                         at library/std/src/rt.rs:148
[INFO] [stdout]   15:     0x5574ff907ee6 - std::rt::lang_start::h613ce2a20714e78a
[INFO] [stdout]   16:     0x5574ff908924 - main
[INFO] [stdout]   17:     0x7fef0cfd0d8f - <unknown>
[INFO] [stdout]   18:     0x7fef0cfd0e3f - __libc_start_main
[INFO] [stdout]   19:     0x5574ff907ad4 - _start
[INFO] [stdout]   20:                0x0 - <unknown>)))
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5574ff95bc66 - std::backtrace_rs::backtrace::libunwind::trace::h140b6deb6a45c671
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x5574ff95bc66 - std::backtrace_rs::backtrace::trace_unsynchronized::h8450d7e4e9219aed
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5574ff95bc66 - std::sys_common::backtrace::_print_fmt::hbd28e5e6c6fc3a3f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x5574ff95bc66 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hb058f285768cf98e
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x5574ff97ac70 - core::fmt::rt::Argument::fmt::h87dec7a95127da24
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x5574ff97ac70 - core::fmt::write::h873f89a91a4832db
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x5574ff959d3f - std::io::Write::write_fmt::hc65183f01d14754a
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/io/mod.rs:1846:15
[INFO] [stdout]    7:     0x5574ff95ba44 - std::sys_common::backtrace::_print::h7719d1529d9a9e13
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x5574ff95ba44 - std::sys_common::backtrace::print::haa3afbd0e7947108
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x5574ff95cfa7 - std::panicking::default_hook::{{closure}}::h10e3de2ec0eaff22
[INFO] [stdout]   10:     0x5574ff95cd09 - std::panicking::default_hook::hbdc1b1b7fe073dab
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:292:9
[INFO] [stdout]   11:     0x5574ff95d438 - std::panicking::rust_panic_with_hook::hb81692602460473d
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:781:13
[INFO] [stdout]   12:     0x5574ff95d312 - std::panicking::begin_panic_handler::{{closure}}::h2470593aa2678e9c
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:659:13
[INFO] [stdout]   13:     0x5574ff95c166 - std::sys_common::backtrace::__rust_end_short_backtrace::h560bb50225b0562b
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   14:     0x5574ff95d064 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:647:5
[INFO] [stdout]   15:     0x5574ff9073a5 - core::panicking::panic_fmt::h29b6f262f6458dc3
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/panicking.rs:72:14
[INFO] [stdout]   16:     0x5574ff907813 - core::result::unwrap_failed::h12bc80647957bcdb
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/result.rs:1649:5
[INFO] [stdout]   17:     0x5574ff9086de - rust_out::main::_doctest_main_src_lib_rs_4_0::h557387d92400ff73
[INFO] [stdout]   18:     0x5574ff908656 - rust_out::main::hff4e5118cb484971
[INFO] [stdout]   19:     0x5574ff908193 - core::ops::function::FnOnce::call_once::h07035dc3b47525ba
[INFO] [stdout]   20:     0x5574ff907eb6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h27e28290e6a5ea6b
[INFO] [stdout]   21:     0x5574ff907f09 - std::rt::lang_start::{{closure}}::hc9e353f29d6b9183
[INFO] [stdout]   22:     0x5574ff956d31 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hb70d08830a5ade10
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/ops/function.rs:284:13
[INFO] [stdout]   23:     0x5574ff956d31 - std::panicking::try::do_call::h22b4f7e5a6651b4a
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:554:40
[INFO] [stdout]   24:     0x5574ff956d31 - std::panicking::try::hc21d1712e01c2e20
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:518:19
[INFO] [stdout]   25:     0x5574ff956d31 - std::panic::catch_unwind::h043dedc9b446785f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panic.rs:142:14
[INFO] [stdout]   26:     0x5574ff956d31 - std::rt::lang_start_internal::{{closure}}::hd5b437811c37f411
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/rt.rs:148:48
[INFO] [stdout]   27:     0x5574ff956d31 - std::panicking::try::do_call::hd87c54a927c7af49
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:554:40
[INFO] [stdout]   28:     0x5574ff956d31 - std::panicking::try::hf94d97659ed75d92
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:518:19
[INFO] [stdout]   29:     0x5574ff956d31 - std::panic::catch_unwind::h2ddd57de1d25402e
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panic.rs:142:14
[INFO] [stdout]   30:     0x5574ff956d31 - std::rt::lang_start_internal::h7fecc45801af5220
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/rt.rs:148:20
[INFO] [stdout]   31:     0x5574ff907ee7 - std::rt::lang_start::h613ce2a20714e78a
[INFO] [stdout]   32:     0x5574ff908925 - main
[INFO] [stdout]   33:     0x7fef0cfd0d90 - <unknown>
[INFO] [stdout]   34:     0x7fef0cfd0e40 - __libc_start_main
[INFO] [stdout]   35:     0x5574ff907ad5 - _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 0.22s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "fb335936ada6c95cd013777a27e23518873c61762aac1ca9f3d57791ba1cd214", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb335936ada6c95cd013777a27e23518873c61762aac1ca9f3d57791ba1cd214", kill_on_drop: false }`
[INFO] [stdout] fb335936ada6c95cd013777a27e23518873c61762aac1ca9f3d57791ba1cd214
