[INFO] fetching crate serial_enumerate 0.1.0...
[INFO] testing serial_enumerate-0.1.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate serial_enumerate 0.1.0 into /workspace/builds/worker-4-tc2/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-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate serial_enumerate 0.1.0 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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" "+beta-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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: v0.55.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f2cff80319fe2adecb434db7f93da4f0d5c0e2fddcac111b7dcf1bb6a0ba8543
[INFO] running `Command { std: "docker" "start" "-a" "f2cff80319fe2adecb434db7f93da4f0d5c0e2fddcac111b7dcf1bb6a0ba8543", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f2cff80319fe2adecb434db7f93da4f0d5c0e2fddcac111b7dcf1bb6a0ba8543", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2cff80319fe2adecb434db7f93da4f0d5c0e2fddcac111b7dcf1bb6a0ba8543", kill_on_drop: false }`
[INFO] [stdout] f2cff80319fe2adecb434db7f93da4f0d5c0e2fddcac111b7dcf1bb6a0ba8543
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ffe4fc2c868e6fdf20ad52766cb54f59fb0a85f0b2aa9df93c9395b41e9da19
[INFO] running `Command { std: "docker" "start" "-a" "5ffe4fc2c868e6fdf20ad52766cb54f59fb0a85f0b2aa9df93c9395b41e9da19", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling cc v1.2.44
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]    Compiling backtrace v0.2.3
[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` profile [unoptimized + debuginfo] target(s) in 2.99s
[INFO] running `Command { std: "docker" "inspect" "5ffe4fc2c868e6fdf20ad52766cb54f59fb0a85f0b2aa9df93c9395b41e9da19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ffe4fc2c868e6fdf20ad52766cb54f59fb0a85f0b2aa9df93c9395b41e9da19", kill_on_drop: false }`
[INFO] [stdout] 5ffe4fc2c868e6fdf20ad52766cb54f59fb0a85f0b2aa9df93c9395b41e9da19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6cae6b3e8fed7186ab942b8d945fd1432f049f40c9e945d289be6c5145b0275a
[INFO] running `Command { std: "docker" "start" "-a" "6cae6b3e8fed7186ab942b8d945fd1432f049f40c9e945d289be6c5145b0275a", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition 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 0.36s
[INFO] running `Command { std: "docker" "inspect" "6cae6b3e8fed7186ab942b8d945fd1432f049f40c9e945d289be6c5145b0275a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cae6b3e8fed7186ab942b8d945fd1432f049f40c9e945d289be6c5145b0275a", kill_on_drop: false }`
[INFO] [stdout] 6cae6b3e8fed7186ab942b8d945fd1432f049f40c9e945d289be6c5145b0275a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f2013a6491de9af3c50395617a46e9230224d94d2b5d54b8a4e3af7cfd8d2c2e
[INFO] running `Command { std: "docker" "start" "-a" "f2013a6491de9af3c50395617a46e9230224d94d2b5d54b8a4e3af7cfd8d2c2e", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/serial_enumerate-7568584151bb4512)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests serial_enumerate
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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' (55) 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:     0x5c12cbe0f32d - backtrace::backtrace::libunwind::trace::h5116d8e249611ce3
[INFO] [stdout]                         at src/backtrace/libunwind.rs:54
[INFO] [stdout]                          - backtrace::backtrace::trace::h0de7c895e99e866f
[INFO] [stdout]                         at src/backtrace/mod.rs:70
[INFO] [stdout]    1:     0x5c12cbe0ee4d - backtrace::capture::Backtrace::new::h6706ae3371533a66
[INFO] [stdout]                         at /opt/rustwide/target/debug/build/backtrace-52f9af609f3cd8f5/out/capture.rs:79
[INFO] [stdout]    2:     0x5c12cbe08bb9 - error_chain::make_backtrace::h2144849184267e54
[INFO] [stdout]                         at src/lib.rs:684
[INFO] [stdout]    3:     0x5c12cbe08b06 - <core::result::Result<T,E> as serial_enumerate::errors::ChainErr<T>>::chain_err::{{closure}}::{{closure}}::hef24abe8bec0bbe9
[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:     0x5c12cbe0657a - core::option::Option<T>::unwrap_or_else::hdf89f729f1448f7c
[INFO] [stdout]                         at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/option.rs:1066
[INFO] [stdout]    5:     0x5c12cbe08973 - <core::result::Result<T,E> as serial_enumerate::errors::ChainErr<T>>::chain_err::{{closure}}::hfdba214bb8d66cf8
[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:     0x5c12cbe065cf - core::result::Result<T,E>::map_err::h20563127c32a260d
[INFO] [stdout]                         at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/result.rs:968
[INFO] [stdout]    7:     0x5c12cbe08241 - <core::result::Result<T,E> as serial_enumerate::errors::ChainErr<T>>::chain_err::hb37df1cc32b59ac9
[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:     0x5c12cbe045a8 - serial_enumerate::enumerate_serial_ports::h0829305afc9088c5
[INFO] [stdout]                         at src/lib.rs:46
[INFO] [stdout]    9:     0x5c12cbe04141 - rust_out::main::_doctest_main_src_lib_rs_4_0::hb26b02b680acf86a
[INFO] [stdout]   10:     0x5c12cbe04125 - rust_out::main::he986860d8b7bc94f
[INFO] [stdout]   11:     0x5c12cbe03bb2 - core::ops::function::FnOnce::call_once::hd0f888ea33950d2d
[INFO] [stdout]   12:     0x5c12cbe03b25 - std::sys::backtrace::__rust_begin_short_backtrace::h70a8cfcb1f800bff
[INFO] [stdout]   13:     0x5c12cbe03b08 - std::rt::lang_start::{{closure}}::h03ca8d00642774ee
[INFO] [stdout]   14:     0x5c12cbe4318f - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hdf957eac011d0136
[INFO] [stdout]                         at library/core/src/ops/function.rs:287
[INFO] [stdout]                          - std::panicking::catch_unwind::do_call::h9ff550f7799115e1
[INFO] [stdout]                         at library/std/src/panicking.rs:590
[INFO] [stdout]                          - std::panicking::catch_unwind::ha7ce46787bb12905
[INFO] [stdout]                         at library/std/src/panicking.rs:553
[INFO] [stdout]                          - std::panic::catch_unwind::h625b36596def7d39
[INFO] [stdout]                         at library/std/src/panic.rs:359
[INFO] [stdout]                          - std::rt::lang_start_internal::{{closure}}::h4cbc9430de699e2c
[INFO] [stdout]                         at library/std/src/rt.rs:175
[INFO] [stdout]                          - std::panicking::catch_unwind::do_call::h5af2f11409a22e3e
[INFO] [stdout]                         at library/std/src/panicking.rs:590
[INFO] [stdout]                          - std::panicking::catch_unwind::hf64cf7b0d8070f52
[INFO] [stdout]                         at library/std/src/panicking.rs:553
[INFO] [stdout]                          - std::panic::catch_unwind::h480b74763390cdcf
[INFO] [stdout]                         at library/std/src/panic.rs:359
[INFO] [stdout]                          - std::rt::lang_start_internal::h4b3d04f698aef094
[INFO] [stdout]                         at library/std/src/rt.rs:171
[INFO] [stdout]   15:     0x5c12cbe03af0 - std::rt::lang_start::h457230af78cce7e7
[INFO] [stdout]   16:     0x5c12cbe04444 - main
[INFO] [stdout]   17:     0x73f43a5231c9 - <unknown>
[INFO] [stdout]   18:     0x73f43a52328a - __libc_start_main
[INFO] [stdout]   19:     0x5c12cbe03914 - _start
[INFO] [stdout]   20:                0x0 - <unknown>)))
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5c12cbe647f2 - std::backtrace_rs::backtrace::libunwind::trace::h16acf28769fcd909
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5c12cbe647f2 - std::backtrace_rs::backtrace::trace_unsynchronized::hb5541aa5d4f92513
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5c12cbe647f2 - std::sys::backtrace::_print_fmt::h8ac8268cb667a306
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5c12cbe647f2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h47627beda0767f4c
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5c12cbe7364f - core::fmt::rt::Argument::fmt::h686a01ad57c1c92a
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5c12cbe7364f - core::fmt::write::h8a63064c67176fd8
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/fmt/mod.rs:1469:25
[INFO] [stdout]    6:     0x5c12cbe41963 - std::io::default_write_fmt::hc257f38f86d39af6
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5c12cbe41963 - std::io::Write::write_fmt::h5e9b646cef91150b
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5c12cbe474e2 - std::sys::backtrace::BacktraceLock::print::h4634d27c0afbaebb
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5c12cbe4901c - std::panicking::default_hook::{{closure}}::h23e0299d4738b766
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x5c12cbe48e76 - std::panicking::default_hook::hfeec6294e8751b62
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:328:9
[INFO] [stdout]   11:     0x5c12cbe495f5 - std::panicking::panic_with_hook::hd57cd463d793ed79
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:834:13
[INFO] [stdout]   12:     0x5c12cbe4948a - std::panicking::panic_handler::{{closure}}::hddd6216c3fddee3b
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:707:13
[INFO] [stdout]   13:     0x5c12cbe47619 - std::sys::backtrace::__rust_end_short_backtrace::h5e7a56f283378525
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   14:     0x5c12cbe365cd - __rustc[256c90bb7e548b45]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:698:5
[INFO] [stdout]   15:     0x5c12cbe76fd0 - core::panicking::panic_fmt::hf19c198748ef6a95
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/panicking.rs:80:14
[INFO] [stdout]   16:     0x5c12cbe766c6 - core::result::unwrap_failed::he81173b5792ad6b0
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/result.rs:1862:5
[INFO] [stdout]   17:     0x5c12cbe041ba - rust_out::main::_doctest_main_src_lib_rs_4_0::hb26b02b680acf86a
[INFO] [stdout]   18:     0x5c12cbe04126 - rust_out::main::he986860d8b7bc94f
[INFO] [stdout]   19:     0x5c12cbe03bb3 - core::ops::function::FnOnce::call_once::hd0f888ea33950d2d
[INFO] [stdout]   20:     0x5c12cbe03b26 - std::sys::backtrace::__rust_begin_short_backtrace::h70a8cfcb1f800bff
[INFO] [stdout]   21:     0x5c12cbe03b09 - std::rt::lang_start::{{closure}}::h03ca8d00642774ee
[INFO] [stdout]   22:     0x5c12cbe43190 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hdf957eac011d0136
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   23:     0x5c12cbe43190 - std::panicking::catch_unwind::do_call::h9ff550f7799115e1
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:590:40
[INFO] [stdout]   24:     0x5c12cbe43190 - std::panicking::catch_unwind::ha7ce46787bb12905
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:553:19
[INFO] [stdout]   25:     0x5c12cbe43190 - std::panic::catch_unwind::h625b36596def7d39
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panic.rs:359:14
[INFO] [stdout]   26:     0x5c12cbe43190 - std::rt::lang_start_internal::{{closure}}::h4cbc9430de699e2c
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/rt.rs:175:24
[INFO] [stdout]   27:     0x5c12cbe43190 - std::panicking::catch_unwind::do_call::h5af2f11409a22e3e
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:590:40
[INFO] [stdout]   28:     0x5c12cbe43190 - std::panicking::catch_unwind::hf64cf7b0d8070f52
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:553:19
[INFO] [stdout]   29:     0x5c12cbe43190 - std::panic::catch_unwind::h480b74763390cdcf
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x5c12cbe43190 - std::rt::lang_start_internal::h4b3d04f698aef094
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/rt.rs:171:5
[INFO] [stdout]   31:     0x5c12cbe03af1 - std::rt::lang_start::h457230af78cce7e7
[INFO] [stdout]   32:     0x5c12cbe04445 - main
[INFO] [stdout]   33:     0x73f43a5231ca - <unknown>
[INFO] [stdout]   34:     0x73f43a52328b - __libc_start_main
[INFO] [stdout]   35:     0x5c12cbe03915 - _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 0.39s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "f2013a6491de9af3c50395617a46e9230224d94d2b5d54b8a4e3af7cfd8d2c2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2013a6491de9af3c50395617a46e9230224d94d2b5d54b8a4e3af7cfd8d2c2e", kill_on_drop: false }`
[INFO] [stdout] f2013a6491de9af3c50395617a46e9230224d94d2b5d54b8a4e3af7cfd8d2c2e
