[INFO] crate gen-epub-book 2.3.1 is already in cache
[INFO] extracting crate gen-epub-book 2.3.1 into work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/gen-epub-book/2.3.1
[INFO] extracting crate gen-epub-book 2.3.1 into work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/gen-epub-book/2.3.1
[INFO] validating manifest of gen-epub-book-2.3.1 on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of gen-epub-book-2.3.1 on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing gen-epub-book-2.3.1
[INFO] finished frobbing gen-epub-book-2.3.1
[INFO] frobbed toml for gen-epub-book-2.3.1 written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/gen-epub-book/2.3.1/Cargo.toml
[INFO] started frobbing gen-epub-book-2.3.1
[INFO] finished frobbing gen-epub-book-2.3.1
[INFO] frobbed toml for gen-epub-book-2.3.1 written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/gen-epub-book/2.3.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing gen-epub-book-2.3.1 against try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-5/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/gen-epub-book/2.3.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "build" "--frozen"`
[INFO] [stdout] 2f4cb61ae620560d2d7900844d8ed7464616e08c142da566bf279acf77d4f092
[INFO] running `"docker" "start" "-a" "2f4cb61ae620560d2d7900844d8ed7464616e08c142da566bf279acf77d4f092"`
[INFO] [stderr]    Compiling zip v0.4.2
[INFO] [stderr]    Compiling gen-epub-book v2.3.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.43s
[INFO] running `"docker" "inspect" "2f4cb61ae620560d2d7900844d8ed7464616e08c142da566bf279acf77d4f092"`
[INFO] running `"docker" "rm" "-f" "2f4cb61ae620560d2d7900844d8ed7464616e08c142da566bf279acf77d4f092"`
[INFO] [stdout] 2f4cb61ae620560d2d7900844d8ed7464616e08c142da566bf279acf77d4f092
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-5/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/gen-epub-book/2.3.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 379ca6b319c8fa58cc9c8ef6e0a486819463256ba3b979392b6b0bb68e93bc8d
[INFO] running `"docker" "start" "-a" "379ca6b319c8fa58cc9c8ef6e0a486819463256ba3b979392b6b0bb68e93bc8d"`
[INFO] [stderr]    Compiling gen-epub-book v2.3.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.22s
[INFO] running `"docker" "inspect" "379ca6b319c8fa58cc9c8ef6e0a486819463256ba3b979392b6b0bb68e93bc8d"`
[INFO] running `"docker" "rm" "-f" "379ca6b319c8fa58cc9c8ef6e0a486819463256ba3b979392b6b0bb68e93bc8d"`
[INFO] [stdout] 379ca6b319c8fa58cc9c8ef6e0a486819463256ba3b979392b6b0bb68e93bc8d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-5/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/gen-epub-book/2.3.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen"`
[INFO] [stdout] 3ccc363481698e4d9cbfc1b492944e6f3b5f17dd14580d1115ba050a4e3d06c0
[INFO] running `"docker" "start" "-a" "3ccc363481698e4d9cbfc1b492944e6f3b5f17dd14580d1115ba050a4e3d06c0"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/gen_epub_book-90d3d01f0967083c
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/lib-5163068d3a8f6545
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 108 tests
[INFO] [stdout] test error::exit_value::file_not_found ... ok
[INFO] [stdout] test error::exit_value::parse ... ok
[INFO] [stdout] test error::exit_value::io ... ok
[INFO] [stdout] test error::exit_value::required_element_missing ... ok
[INFO] [stdout] test error::exit_value::wrong_element_amount ... ok
[INFO] [stdout] test error::print::file_not_found ... ok
[INFO] [stdout] test error::print::io::more::normal_e ... ok
[INFO] [stdout] test error::print::io::more::empty ... ok
[INFO] [stdout] test error::print::io::more::normal_non_e ... ok
[INFO] [stdout] test error::print::io::more::single_non_e ... ok
[INFO] [stdout] test error::print::io::no_more::empty ... ok
[INFO] [stdout] test error::print::io::no_more::normal_e ... ok
[INFO] [stdout] test error::print::io::more::single_e ... ok
[INFO] [stdout] test error::print::io::no_more::single_e ... ok
[INFO] [stdout] test error::print::io::no_more::single_non_e ... ok
[INFO] [stdout] test error::print::parse::more ... ok
[INFO] [stdout] test error::print::parse::no_more ... ok
[INFO] [stdout] test error::print::io::no_more::normal_non_e ... ok
[INFO] [stdout] test error::print::required_element_missing ... ok
[INFO] [stdout] test error::print::wrong_element_amount ... ok
[INFO] [stdout] test error::print::wrong_file_state ... ok
[INFO] [stdout] test error::exit_value::wrong_file_state ... ok
[INFO] [stdout] test ops::book::from_elements::incorrect::cover::two_file ... ok
[INFO] [stdout] test ops::book::from_elements::correct::file_cover ... ok
[INFO] [stdout] test ops::book::from_elements::incorrect::duplicate::author ... ok
[INFO] [stdout] test ops::book::from_elements::incorrect::cover::mixed_network_first ... ok
[INFO] [stdout] test ops::book::from_elements::incorrect::cover::two_network ... ok
[INFO] [stdout] test ops::book::from_elements::incorrect::cover::mixed_file_first ... ok
[INFO] [stdout] test ops::book::from_elements::incorrect::duplicate::language ... ok
[INFO] [stdout] test ops::book::from_elements::correct::no_cover ... ok
[INFO] [stdout] test ops::book::from_elements::incorrect::duplicate::name ... ok
[INFO] [stdout] test ops::book::from_elements::incorrect::duplicate::date ... ok
[INFO] [stdout] test ops::book::from_elements::incorrect::missing::name ... ok
[INFO] [stdout] test ops::book::from_elements::incorrect::missing::date ... ok
[INFO] [stdout] test ops::book::from_elements::incorrect::missing::language ... ok
[INFO] [stdout] test ops::book::from_elements::incorrect::duplicate::ordering ... ok
[INFO] [stdout] test ops::book::from_elements::incorrect::missing::ordering ... ok
[INFO] [stdout] test ops::book::normalise_paths::no_verbose::bad_type ... ok
[INFO] [stdout] test ops::book::normalise_paths::verbose::nonexistant ... ok
[INFO] [stdout] test ops::book::from_elements::incorrect::missing::author ... ok
[INFO] [stdout] test ops::element::display::author ... ok
[INFO] [stdout] test ops::element::display::content ... ok
[INFO] [stdout] test ops::element::display::image_content ... ok
[INFO] [stdout] test ops::element::display::date ... ok
[INFO] [stdout] test ops::book::from_elements::correct::network_cover ... ok
[INFO] [stdout] test ops::element::display::include ... ok
[INFO] [stdout] test ops::element::display::language ... ok
[INFO] [stdout] test ops::element::display::network_cover ... ok
[INFO] [stdout] test ops::element::display::name ... ok
[INFO] [stdout] test ops::element::display::network_image_content ... ok
[INFO] [stdout] test ops::element::display::string_content ... ok
[INFO] [stdout] test ops::element::name::author ... ok
[INFO] [stdout] test ops::book::normalise_paths::verbose::bad_type ... ok
[INFO] [stdout] test ops::element::name::content ... ok
[INFO] [stdout] test ops::book::normalise_paths::verbose::correct ... ok
[INFO] [stdout] test ops::element::name::date ... ok
[INFO] [stdout] test ops::element::display::network_include ... ok
[INFO] [stdout] test ops::element::name::name ... ok
[INFO] [stdout] test ops::element::name::image_content ... ok
[INFO] [stdout] test ops::element::name::include ... ok
[INFO] [stdout] test ops::element::name::language ... ok
[INFO] [stdout] test ops::element::name::string_content ... ok
[INFO] [stdout] test ops::element::parse::elements::author ... ok
[INFO] [stdout] test ops::element::name::network_image_content ... ok
[INFO] [stdout] test ops::element::name::network_cover ... ok
[INFO] [stdout] test ops::element::parse::elements::cover ... ok
[INFO] [stdout] test ops::element::name::cover ... ok
[INFO] [stdout] test ops::element::name::network_include ... ok
[INFO] [stdout] test ops::book::normalise_paths::no_verbose::nonexistant ... ok
[INFO] [stdout] test ops::element::parse::elements::date_rigid ... ok
[INFO] [stdout] test ops::element::parse::elements::date_free ... ok
[INFO] [stdout] test ops::book::normalise_paths::no_verbose::correct ... ok
[INFO] [stdout] test ops::element::display::cover ... ok
[INFO] [stdout] test ops::element::parse::elements::content ... ok
[INFO] [stdout] test ops::element::parse::elements::image_content ... ok
[INFO] [stdout] test ops::element::parse::elements::language ... ok
[INFO] [stdout] test ops::element::parse::elements::name ... ok
[INFO] [stdout] test ops::element::parse::errors::datetime_rigid ... ok
[INFO] [stdout] test ops::element::parse::errors::datetime_free ... ok
[INFO] [stdout] test ops::element::parse::elements::string_content ... ok
[INFO] [stdout] test ops::element::parse::elements::network_image_content ... ok
[INFO] [stdout] test ops::element::parse::elements::network_cover ... ok
[INFO] [stdout] test ops::element::parse::elements::network_include ... ok
[INFO] [stdout] test ops::element::parse::trimming ... ok
[INFO] [stdout] test ops::element::parse::not_description ... ok
[INFO] [stdout] test ops::element::parse::unrecognised ... ok
[INFO] [stdout] test ops::element::parse::roundtrip ... ok
[INFO] [stdout] test ops::element::parse::errors::url ... ok
[INFO] [stdout] test ops::element::parse::elements::include ... ok
[INFO] [stdout] test ops::include_dir::display::unnamed ... ok
[INFO] [stdout] test ops::include_dir::parse::correct::unnamed ... ok
[INFO] [stdout] test ops::include_dir::parse::incorrect::invalid::unnamed ... ok
[INFO] [stdout] test ops::include_dir::parse::correct::named ... ok
[INFO] [stdout] test ops::include_dir::parse::incorrect::invalid::named ... ok
[INFO] [stdout] test ops::include_dir::display::named ... ok
[INFO] [stdout] test ops::include_dir::parse::incorrect::nonexistant::named ... ok
[INFO] [stdout] test util::uppercase_first::multi ... ok
[INFO] [stdout] test util::uppercase_first::multi_already_upper ... ok
[INFO] [stdout] test util::uppercase_first::simple ... ok
[INFO] [stdout] test util::uppercase_first::single ... ok
[INFO] [stdout] test util::uppercase_first::single_already_upper ... ok
[INFO] [stdout] test ops::parse_descriptor::bubbling ... ok
[INFO] [stdout] test ops::parse_descriptor::generic ... ok
[INFO] [stdout] test util::uppercase_first::already_upper ... ok
[INFO] [stdout] test util::uppercase_first::empty ... ok
[INFO] [stdout] test ops::include_dir::parse::incorrect::nonexistant::unnamed ... ok
[INFO] [stdout] test ops::find_title::non_containing ... ok
[INFO] [stdout] test ops::find_title::containing ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 108 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests gen-epub-book
[INFO] [stdout] 
[INFO] [stdout] running 25 tests
[INFO] [stdout] test src/error.rs - error::Error::exit_value (line 114) ... ok
[INFO] [stdout] test src/error.rs - error::Error::print_error (line 67) ... ok
[INFO] [stdout] test src/ops/element.rs - ops::element::BookElement::name (line 227) ... ok
[INFO] [stderr] error: process didn't exit successfully: `rustdoc --test /opt/crater/workdir/src/lib.rs --crate-name gen_epub_book -L dependency=/opt/crater/target/debug/deps -L native=/opt/crater/target/debug/build/bzip2-sys-4ed746f89499bf3f/out/lib -L dependency=/opt/crater/target/debug/deps --extern chrono=/opt/crater/target/debug/deps/libchrono-c94269694bfd46bb.rlib --extern clap=/opt/crater/target/debug/deps/libclap-d395d4ecdaa24e5d.rlib --extern gen_epub_book=/opt/crater/target/debug/deps/libgen_epub_book-ae0199f9ce9b0809.rlib --extern lazy_static=/opt/crater/target/debug/deps/liblazy_static-1f5b8627ecb8b0f7.rlib --extern mime_guess=/opt/crater/target/debug/deps/libmime_guess-6308b3a44a45dd15.rlib --extern regex=/opt/crater/target/debug/deps/libregex-70147ef8803f3e79.rlib --extern reqwest=/opt/crater/target/debug/deps/libreqwest-2c943ad515b77068.rlib --extern url=/opt/crater/target/debug/deps/liburl-99ca1c1b83a27a76.rlib --extern uuid=/opt/crater/target/debug/deps/libuuid-131664e3dafdf057.rlib --extern zip=/opt/crater/target/debug/deps/libzip-2016ad2fa810a4bc.rlib` (signal: 9, SIGKILL: kill)
[INFO] running `"docker" "inspect" "3ccc363481698e4d9cbfc1b492944e6f3b5f17dd14580d1115ba050a4e3d06c0"`
[INFO] running `"docker" "rm" "-f" "3ccc363481698e4d9cbfc1b492944e6f3b5f17dd14580d1115ba050a4e3d06c0"`
[INFO] [stdout] 3ccc363481698e4d9cbfc1b492944e6f3b5f17dd14580d1115ba050a4e3d06c0