[INFO] fetching crate logforth-append-file 0.2.1...
[INFO] testing logforth-append-file-0.2.1 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate logforth-append-file 0.2.1 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate logforth-append-file 0.2.1
[INFO] finished tweaking crates.io crate logforth-append-file 0.2.1
[INFO] tweaked toml for crates.io crate logforth-append-file 0.2.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate logforth-append-file 0.2.1 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] crate crates.io crate logforth-append-file 0.2.1 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" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] f53c42a83c957ccf5a8019dbd3d3a43cc54a84b5b466211766bfcb12185aaa6a
[INFO] running `Command { std: "docker" "start" "-a" "f53c42a83c957ccf5a8019dbd3d3a43cc54a84b5b466211766bfcb12185aaa6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f53c42a83c957ccf5a8019dbd3d3a43cc54a84b5b466211766bfcb12185aaa6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f53c42a83c957ccf5a8019dbd3d3a43cc54a84b5b466211766bfcb12185aaa6a", kill_on_drop: false }`
[INFO] [stdout] f53c42a83c957ccf5a8019dbd3d3a43cc54a84b5b466211766bfcb12185aaa6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] ccc5ccbc4aa52fa009450a721465dbcbcf3a30c4fcecb5eb30efca693bddf8d4
[INFO] running `Command { std: "docker" "start" "-a" "ccc5ccbc4aa52fa009450a721465dbcbcf3a30c4fcecb5eb30efca693bddf8d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling sval v2.14.1
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling jiff v0.2.15
[INFO] [stderr]    Compiling sval_ref v2.14.1
[INFO] [stderr]    Compiling sval_dynamic v2.14.1
[INFO] [stderr]    Compiling sval_fmt v2.14.1
[INFO] [stderr]    Compiling sval_buffer v2.14.1
[INFO] [stderr]    Compiling value-bag-sval2 v1.11.1
[INFO] [stderr]    Compiling value-bag v1.11.1
[INFO] [stderr]    Compiling logforth-core v0.2.1
[INFO] [stderr]    Compiling logforth-append-file v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.18s
[INFO] running `Command { std: "docker" "inspect" "ccc5ccbc4aa52fa009450a721465dbcbcf3a30c4fcecb5eb30efca693bddf8d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccc5ccbc4aa52fa009450a721465dbcbcf3a30c4fcecb5eb30efca693bddf8d4", kill_on_drop: false }`
[INFO] [stdout] ccc5ccbc4aa52fa009450a721465dbcbcf3a30c4fcecb5eb30efca693bddf8d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 30605adb9e55fcc45df4888ccefb1db8c527f1c362908f92673856ed5d27abca
[INFO] running `Command { std: "docker" "start" "-a" "30605adb9e55fcc45df4888ccefb1db8c527f1c362908f92673856ed5d27abca", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling serde_core v1.0.227
[INFO] [stderr]    Compiling sval v2.14.1
[INFO] [stderr]    Compiling serde v1.0.227
[INFO] [stderr]    Compiling typeid v1.0.3
[INFO] [stderr]    Compiling erased-serde v0.4.8
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling bitflags v2.9.4
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling sval_ref v2.14.1
[INFO] [stderr]    Compiling sval_dynamic v2.14.1
[INFO] [stderr]    Compiling sval_fmt v2.14.1
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling sval_buffer v2.14.1
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling sval_nested v2.14.1
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling tempfile v3.23.0
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling serde_derive v1.0.227
[INFO] [stderr]    Compiling sval_serde v2.14.1
[INFO] [stderr]    Compiling serde_fmt v1.0.3
[INFO] [stderr]    Compiling serde_buf v0.1.1
[INFO] [stderr]    Compiling value-bag-sval2 v1.11.1
[INFO] [stderr]    Compiling value-bag-serde1 v1.11.1
[INFO] [stderr]    Compiling value-bag v1.11.1
[INFO] [stderr]    Compiling logforth-core v0.2.1
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling logforth-layout-json v0.2.1
[INFO] [stderr]    Compiling logforth-bridge-log v0.2.1
[INFO] [stderr]    Compiling logforth-append-file v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 11.10s
[INFO] running `Command { std: "docker" "inspect" "30605adb9e55fcc45df4888ccefb1db8c527f1c362908f92673856ed5d27abca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30605adb9e55fcc45df4888ccefb1db8c527f1c362908f92673856ed5d27abca", kill_on_drop: false }`
[INFO] [stdout] 30605adb9e55fcc45df4888ccefb1db8c527f1c362908f92673856ed5d27abca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] ff446e761ad04f2979f010717e49545b63710bd13a14d911cd8a9ee747918746
[INFO] running `Command { std: "docker" "start" "-a" "ff446e761ad04f2979f010717e49545b63710bd13a14d911cd8a9ee747918746", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/logforth_append_file-b7afe39837b6aeaf)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test clock::tests::test_manual_clock_adjusting ... ok
[INFO] [stdout] test rotation::tests::test_next_date_timestamp ... ok
[INFO] [stdout] test rolling::tests::test_file_rolling_via_time_rotation ... ok
[INFO] [stdout] test rolling::tests::test_file_rolling_via_file_size_and_time_rotation ... ok
[INFO] [stdout] test rolling::tests::test_file_rolling_via_file_size ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.60s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests logforth_append_file
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/append.rs - append::FileBuilder::layout (line 69) ... ok
[INFO] [stdout] test src/append.rs - append::FileBuilder::trap (line 87) ... ok
[INFO] [stdout] test src/lib.rs - (line 19) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 19) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] 
[INFO] [stdout] thread 'main' (72) panicked at /tmp/rustdoctestbLDsel/doctest_bundle_2024.rs:41:7:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: failed to create log directory
[INFO] [stdout] 
[INFO] [stdout] Source:
[INFO] [stdout]    Read-only file system (os error 30)
[INFO] [stdout] 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x64deb0e68f32 - 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:     0x64deb0e68f32 - 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:     0x64deb0e68f32 - std::sys::backtrace::_print_fmt::h8ac8268cb667a306
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x64deb0e68f32 - <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:     0x64deb0e7b0cf - core::fmt::rt::Argument::fmt::h686a01ad57c1c92a
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x64deb0e7b0cf - core::fmt::write::h8a63064c67176fd8
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/fmt/mod.rs:1469:25
[INFO] [stdout]    6:     0x64deb0e33d03 - std::io::default_write_fmt::hc257f38f86d39af6
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x64deb0e33d03 - std::io::Write::write_fmt::h5e9b646cef91150b
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x64deb0e40992 - std::sys::backtrace::BacktraceLock::print::h4634d27c0afbaebb
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x64deb0e45fbf - std::panicking::default_hook::{{closure}}::h23e0299d4738b766
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x64deb0e45e19 - std::panicking::default_hook::hfeec6294e8751b62
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:328:9
[INFO] [stdout]   11:     0x64deb0e46595 - std::panicking::panic_with_hook::hd57cd463d793ed79
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:834:13
[INFO] [stdout]   12:     0x64deb0e4642a - std::panicking::panic_handler::{{closure}}::hddd6216c3fddee3b
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:707:13
[INFO] [stdout]   13:     0x64deb0e40ac9 - std::sys::backtrace::__rust_end_short_backtrace::h5e7a56f283378525
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   14:     0x64deb0e2767d - __rustc[256c90bb7e548b45]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:698:5
[INFO] [stdout]   15:     0x64deb0e83790 - core::panicking::panic_fmt::hf19c198748ef6a95
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/panicking.rs:80:14
[INFO] [stdout]   16:     0x64deb0e82a26 - core::result::unwrap_failed::he81173b5792ad6b0
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/result.rs:1862:5
[INFO] [stdout]   17:     0x64deb096519b - doctest_bundle_2024::__doctest_2::main::h1ebead2b337b0072
[INFO] [stdout]   18:     0x64deb0965526 - doctest_bundle_2024::__doctest_2::__main_fn::h5c88edff683b61de
[INFO] [stdout]   19:     0x64deb095f4d1 - doctest_runner_2024::__doctest_2::TEST::{{closure}}::h1b28e72919677bfe
[INFO] [stdout]   20:     0x64deb0960e06 - core::ops::function::FnOnce::call_once::h7893b90bcd358f06
[INFO] [stdout]   21:     0x64deb095ff37 - doctest_runner_2024::main::h4305e7b91dbe604e
[INFO] [stdout]   22:     0x64deb0960ef3 - core::ops::function::FnOnce::call_once::hc9488aef27809cb2
[INFO] [stdout]   23:     0x64deb0960386 - std::sys::backtrace::__rust_begin_short_backtrace::h8e555d00bd17e116
[INFO] [stdout]   24:     0x64deb0960169 - std::rt::lang_start::{{closure}}::h6a8bde63b1626f06
[INFO] [stdout]   25:     0x64deb0e35ab0 - 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]   26:     0x64deb0e35ab0 - std::panicking::catch_unwind::do_call::h9ff550f7799115e1
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:590:40
[INFO] [stdout]   27:     0x64deb0e35ab0 - std::panicking::catch_unwind::ha7ce46787bb12905
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:553:19
[INFO] [stdout]   28:     0x64deb0e35ab0 - std::panic::catch_unwind::h625b36596def7d39
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x64deb0e35ab0 - std::rt::lang_start_internal::{{closure}}::h4cbc9430de699e2c
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/rt.rs:175:24
[INFO] [stdout]   30:     0x64deb0e35ab0 - std::panicking::catch_unwind::do_call::h5af2f11409a22e3e
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:590:40
[INFO] [stdout]   31:     0x64deb0e35ab0 - std::panicking::catch_unwind::hf64cf7b0d8070f52
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:553:19
[INFO] [stdout]   32:     0x64deb0e35ab0 - std::panic::catch_unwind::h480b74763390cdcf
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panic.rs:359:14
[INFO] [stdout]   33:     0x64deb0e35ab0 - std::rt::lang_start_internal::h4b3d04f698aef094
[INFO] [stdout]                                at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/rt.rs:171:5
[INFO] [stdout]   34:     0x64deb0960151 - std::rt::lang_start::h173a55e48bd28051
[INFO] [stdout]   35:     0x64deb0964735 - main
[INFO] [stdout]   36:     0x7a67f42ff1ca - <unknown>
[INFO] [stdout]   37:     0x7a67f42ff28b - __libc_start_main
[INFO] [stdout]   38:     0x64deb095ed35 - _start
[INFO] [stdout]   39:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 19)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 2 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.40s; merged doctests compilation took 0.37s
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "ff446e761ad04f2979f010717e49545b63710bd13a14d911cd8a9ee747918746", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff446e761ad04f2979f010717e49545b63710bd13a14d911cd8a9ee747918746", kill_on_drop: false }`
[INFO] [stdout] ff446e761ad04f2979f010717e49545b63710bd13a14d911cd8a9ee747918746
