[INFO] fetching crate crowbook 0.17.0...
[INFO] testing crowbook-0.17.0 against beta-2026-01-20 for beta-1.94-1
[INFO] extracting crate crowbook 0.17.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate crowbook 0.17.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate crowbook 0.17.0
[INFO] tweaked toml for crates.io crate crowbook 0.17.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate crowbook 0.17.0 on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate crowbook 0.17.0 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-2026-01-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] 2d4f831f62d48652f60731ad867f08a0c9355d8ba1f0ef3e24462aaec8d8b1d1
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[INFO] [stderr]    Compiling epub-builder v0.8.0
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[INFO] [stderr]    Compiling toml v0.8.22
[INFO] [stderr]    Compiling rust-i18n-support v3.1.5
[INFO] [stderr]    Compiling comrak v0.39.0
[INFO] [stderr]    Compiling rust-i18n-macro v3.1.5
[INFO] [stderr]    Compiling crowbook v0.17.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `proofread` is never used
[INFO] [stdout]   --> src/lib/html_single.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 41 | impl<'a> HtmlSingleRenderer<'a> {
[INFO] [stdout]    | ------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 56 |     pub fn proofread(mut self) -> HtmlSingleRenderer<'a> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ProofHtmlSingle` is never constructed
[INFO] [stdout]    --> src/lib/html_single.rs:336:12
[INFO] [stdout]     |
[INFO] [stdout] 336 | pub struct ProofHtmlSingle {}
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ProofLatex` is never constructed
[INFO] [stdout]    --> src/lib/latex.rs:637:12
[INFO] [stdout]     |
[INFO] [stdout] 637 | pub struct ProofLatex;
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ProofPdf` is never constructed
[INFO] [stdout]    --> src/lib/latex.rs:639:12
[INFO] [stdout]     |
[INFO] [stdout] 639 | pub struct ProofPdf;
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 53.24s
[INFO] running `Command { std: "docker" "inspect" "2d4f831f62d48652f60731ad867f08a0c9355d8ba1f0ef3e24462aaec8d8b1d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d4f831f62d48652f60731ad867f08a0c9355d8ba1f0ef3e24462aaec8d8b1d1", kill_on_drop: false }`
[INFO] [stdout] 2d4f831f62d48652f60731ad867f08a0c9355d8ba1f0ef3e24462aaec8d8b1d1
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c148fe6ee69a9f531882816ed507ce82f2cd627415fbc30a8557b5b182fd90d0
[INFO] running `Command { std: "docker" "start" "-a" "c148fe6ee69a9f531882816ed507ce82f2cd627415fbc30a8557b5b182fd90d0", kill_on_drop: false }`
[INFO] [stdout] warning: method `proofread` is never used
[INFO] [stdout]   --> src/lib/html_single.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 41 | impl<'a> HtmlSingleRenderer<'a> {
[INFO] [stdout]    | ------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 56 |     pub fn proofread(mut self) -> HtmlSingleRenderer<'a> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling crowbook v0.17.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `ProofHtmlSingle` is never constructed
[INFO] [stdout]    --> src/lib/html_single.rs:336:12
[INFO] [stdout]     |
[INFO] [stdout] 336 | pub struct ProofHtmlSingle {}
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ProofLatex` is never constructed
[INFO] [stdout]    --> src/lib/latex.rs:637:12
[INFO] [stdout]     |
[INFO] [stdout] 637 | pub struct ProofLatex;
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ProofPdf` is never constructed
[INFO] [stdout]    --> src/lib/latex.rs:639:12
[INFO] [stdout]     |
[INFO] [stdout] 639 | pub struct ProofPdf;
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `proofread` is never used
[INFO] [stdout]   --> src/lib/html_single.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 41 | impl<'a> HtmlSingleRenderer<'a> {
[INFO] [stdout]    | ------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 56 |     pub fn proofread(mut self) -> HtmlSingleRenderer<'a> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ProofHtmlSingle` is never constructed
[INFO] [stdout]    --> src/lib/html_single.rs:336:12
[INFO] [stdout]     |
[INFO] [stdout] 336 | pub struct ProofHtmlSingle {}
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ProofLatex` is never constructed
[INFO] [stdout]    --> src/lib/latex.rs:637:12
[INFO] [stdout]     |
[INFO] [stdout] 637 | pub struct ProofLatex;
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ProofPdf` is never constructed
[INFO] [stdout]    --> src/lib/latex.rs:639:12
[INFO] [stdout]     |
[INFO] [stdout] 639 | pub struct ProofPdf;
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 5.41s
[INFO] running `Command { std: "docker" "inspect" "c148fe6ee69a9f531882816ed507ce82f2cd627415fbc30a8557b5b182fd90d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c148fe6ee69a9f531882816ed507ce82f2cd627415fbc30a8557b5b182fd90d0", kill_on_drop: false }`
[INFO] [stdout] c148fe6ee69a9f531882816ed507ce82f2cd627415fbc30a8557b5b182fd90d0
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4858fc4ad5e5f2bfabc94e4016c28e24a48bc79fb6b0e0aa2351ec265a5e74fe
[INFO] running `Command { std: "docker" "start" "-a" "4858fc4ad5e5f2bfabc94e4016c28e24a48bc79fb6b0e0aa2351ec265a5e74fe", kill_on_drop: false }`
[INFO] [stderr] warning: method `proofread` is never used
[INFO] [stderr]   --> src/lib/html_single.rs:56:12
[INFO] [stderr]    |
[INFO] [stderr] 41 | impl<'a> HtmlSingleRenderer<'a> {
[INFO] [stderr]    | ------------------------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 56 |     pub fn proofread(mut self) -> HtmlSingleRenderer<'a> {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `ProofHtmlSingle` is never constructed
[INFO] [stderr]    --> src/lib/html_single.rs:336:12
[INFO] [stderr]     |
[INFO] [stderr] 336 | pub struct ProofHtmlSingle {}
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `ProofLatex` is never constructed
[INFO] [stderr]    --> src/lib/latex.rs:637:12
[INFO] [stderr]     |
[INFO] [stderr] 637 | pub struct ProofLatex;
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `ProofPdf` is never constructed
[INFO] [stderr]    --> src/lib/latex.rs:639:12
[INFO] [stderr]     |
[INFO] [stderr] 639 | pub struct ProofPdf;
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `crowbook` (lib) generated 4 warnings
[INFO] [stderr] warning: `crowbook` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] [stderr]      Running unittests src/lib/lib.rs (/opt/rustwide/target/debug/deps/crowbook-e2d0050da05446c3)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test tests::parser::h_p_em ... ok
[INFO] [stdout] test tests::parser::code ... ok
[INFO] [stdout] test tests::parser::image_link_standalone ... ok
[INFO] [stdout] test tests::parser::blockquote ... ok
[INFO] [stdout] test tests::parser::code_block ... ok
[INFO] [stdout] test tests::parser::image_reference_standalone ... ok
[INFO] [stdout] test tests::parser::strong_emphasis ... ok
[INFO] [stdout] test tests::book::load_config ... ok
[INFO] [stdout] test text_view::test_text_view ... ok
[INFO] [stdout] test tests::parser::link_inline ... ok
[INFO] [stdout] test tests::parser::image_standalone ... ok
[INFO] [stdout] test tests::parser::rule ... ok
[INFO] [stdout] test tests::parser::table_simple ... ok
[INFO] [stdout] test tests::parser::image_reference_inline ... ok
[INFO] [stdout] test tests::parser::reference_link ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/main.rs (/opt/rustwide/target/debug/deps/crowbook-4bc7ea6fdfede510)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test helpers::tests::verify_app ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/book.rs (/opt/rustwide/target/debug/deps/book-0a7d64628afa3a75)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_book ... ok
[INFO] [stdout] test book_example ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- book_example stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'book_example' (43) panicked at tests/book.rs:22:52:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Error { source: Source { file: Some("guide/03_markdown.md"), line: None }, inner: FileNotFound("image", "/opt/rustwide/workdir/img/../img/crowbook-small.png") }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x560d4ee486b2 - std::backtrace_rs::backtrace::libunwind::trace::hf0bd46b30bc61685
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x560d4ee486b2 - std::backtrace_rs::backtrace::trace_unsynchronized::h1d1fbb72ad89d7b7
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x560d4ee486b2 - std::sys::backtrace::_print_fmt::he38b6f68ca847f47
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x560d4ee486b2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hb7e843cde1bc81a3
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x560d4ee5ae8a - core::fmt::rt::Argument::fmt::hc1dd77ac64f2688c
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x560d4ee5ae8a - core::fmt::write::h952c506e2dbe9cff
[INFO] [stdout]    6:     0x560d4ee14c56 - std::io::default_write_fmt::hd23bd8145c03a23a
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x560d4ee14c56 - std::io::Write::write_fmt::hdd3314a2bd8a34bd
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x560d4ee27269 - std::sys::backtrace::BacktraceLock::print::h1079b82381c2c252
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x560d4ee27269 - std::panicking::default_hook::{{closure}}::h85cb76b8462c00f2
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x560d4ee27101 - std::panicking::default_hook::h0134d220cc034c02
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x560d4e63826e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hb2e68dca3970e3ca
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x560d4e63826e - test::test_main_with_exit_callback::{{closure}}::ha7ec2063a2565ec3
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x560d4ee274e2 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::haebee478d0f56cf4
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x560d4ee274e2 - std::panicking::panic_with_hook::h8119b6db1fef734f
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x560d4ee27328 - std::panicking::panic_handler::{{closure}}::h24f5360b91482c0e
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x560d4ee21f69 - std::sys::backtrace::__rust_end_short_backtrace::h4e60c5cbd1bd0108
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x560d4ee08cbd - __rustc[e4c6931bd8050421]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x560d4ee6566c - core::panicking::panic_fmt::hb1614a3ff6840071
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x560d4ee64742 - core::result::unwrap_failed::h7d4c34940aded59c
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x560d4e614d82 - core::result::Result<T,E>::unwrap::h38e378df253bb468
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x560d4e614d82 - book::book_example::h52ec7f51856effdc
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/book.rs:22:52
[INFO] [stdout]   22:     0x560d4e614f37 - book::book_example::{{closure}}::h00f29228ef5c544f
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/book.rs:18:18
[INFO] [stdout]   23:     0x560d4e615546 - core::ops::function::FnOnce::call_once::had97d9b5943a9f4f
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x560d4e63806b - core::ops::function::FnOnce::call_once::hefaf63600cd43d2a
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x560d4e63806b - test::__rust_begin_short_backtrace::he30322a73a0e9ea6
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x560d4e64ba3a - test::run_test_in_process::{{closure}}::hdea3ab8d0243ef36
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x560d4e64ba3a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h66d192f42498ffce
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x560d4e64ba3a - std::panicking::catch_unwind::do_call::h822e18e8d3a6bb65
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x560d4e64ba3a - std::panicking::catch_unwind::h54b1de7ceab578bf
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x560d4e64ba3a - std::panic::catch_unwind::h60c29b7a9d0246b1
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x560d4e64ba3a - test::run_test_in_process::h6099b5f871379b13
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x560d4e64ba3a - test::run_test::{{closure}}::h926ce0a38281a4c8
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x560d4e625e94 - test::run_test::{{closure}}::h508de21a9afc7140
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x560d4e625e94 - std::sys::backtrace::__rust_begin_short_backtrace::h6e2f5c39ca00735a
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x560d4e629752 - std::thread::lifecycle::spawn_unchecked::{{closure}}::{{closure}}::h133e44f0e5802c14
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   36:     0x560d4e629752 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4718c1285283955c
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x560d4e629752 - std::panicking::catch_unwind::do_call::h0bba3937b4892238
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x560d4e629752 - std::panicking::catch_unwind::h5b31cab5fb8c5d7f
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x560d4e629752 - std::panic::catch_unwind::hb2fa05d52ed0124e
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x560d4e629752 - std::thread::lifecycle::spawn_unchecked::{{closure}}::hf401cf5ff501bd29
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   41:     0x560d4e629752 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h160022e94ce3b0bb
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x560d4ee1cf0f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf234e0d1d1d272ba
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   43:     0x560d4ee1cf0f - std::sys::thread::unix::Thread::new::thread_start::h106a295241840d3b
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/thread/unix.rs:127:17
[INFO] [stdout]   44:     0x706442a4baa4 - <unknown>
[INFO] [stdout]   45:     0x706442ad8a64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     book_example
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.33s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--test book`
[INFO] running `Command { std: "docker" "inspect" "4858fc4ad5e5f2bfabc94e4016c28e24a48bc79fb6b0e0aa2351ec265a5e74fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4858fc4ad5e5f2bfabc94e4016c28e24a48bc79fb6b0e0aa2351ec265a5e74fe", kill_on_drop: false }`
[INFO] [stdout] 4858fc4ad5e5f2bfabc94e4016c28e24a48bc79fb6b0e0aa2351ec265a5e74fe
