[INFO] cloning repository https://github.com/Michael-F-Bryan/mdbook-epub
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Michael-F-Bryan/mdbook-epub" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMichael-F-Bryan%2Fmdbook-epub", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMichael-F-Bryan%2Fmdbook-epub'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0347a01108389104c58fcea8977f48a1d054d67b
[INFO] checking Michael-F-Bryan/mdbook-epub/0347a01108389104c58fcea8977f48a1d054d67b against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMichael-F-Bryan%2Fmdbook-epub" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Michael-F-Bryan/mdbook-epub on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Michael-F-Bryan/mdbook-epub
[INFO] finished tweaking git repo https://github.com/Michael-F-Bryan/mdbook-epub
[INFO] tweaked toml for git repo https://github.com/Michael-F-Bryan/mdbook-epub written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Michael-F-Bryan/mdbook-epub 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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a40cf0a6c854b60e907821883766999e955c9adfd90fa00d250800a7ebaa31f6
[INFO] running `Command { std: "docker" "start" "-a" "a40cf0a6c854b60e907821883766999e955c9adfd90fa00d250800a7ebaa31f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a40cf0a6c854b60e907821883766999e955c9adfd90fa00d250800a7ebaa31f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a40cf0a6c854b60e907821883766999e955c9adfd90fa00d250800a7ebaa31f6", kill_on_drop: false }`
[INFO] [stdout] a40cf0a6c854b60e907821883766999e955c9adfd90fa00d250800a7ebaa31f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=forbid -Dtail_expr_drop_order" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] abb3d6eb6de7944289795f140a2f02503f2791846e15884bc9d7730ecefae509
[INFO] running `Command { std: "docker" "start" "-a" "abb3d6eb6de7944289795f140a2f02503f2791846e15884bc9d7730ecefae509", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.83
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[INFO] [stderr]    Compiling thiserror-impl v1.0.61
[INFO] [stderr]    Compiling serde_derive v1.0.202
[INFO] [stderr]    Compiling clap_derive v4.5.4
[INFO] [stderr]    Compiling displaydoc v0.2.4
[INFO] [stderr]    Compiling serial_test_derive v2.0.0
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking bstr v1.9.1
[INFO] [stderr]    Compiling proc-macro-crate v3.1.0
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[INFO] [stderr]     Checking predicates v2.1.5
[INFO] [stderr]    Compiling pest v2.7.10
[INFO] [stderr]     Checking env_logger v0.11.3
[INFO] [stderr]     Checking opener v0.7.1
[INFO] [stderr]    Compiling num_enum_derive v0.7.2
[INFO] [stderr]     Checking clap v4.5.4
[INFO] [stderr]     Checking clap_complete v4.5.2
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking rustls-webpki v0.102.4
[INFO] [stderr]     Checking serial_test v2.0.0
[INFO] [stderr]     Checking num_enum v0.7.2
[INFO] [stderr]    Compiling pest_meta v2.7.10
[INFO] [stderr]     Checking epub v2.1.2
[INFO] [stderr]    Compiling pest_generator v2.7.10
[INFO] [stderr]    Compiling mockall_derive v0.11.4
[INFO] [stderr]    Compiling pest_derive v2.7.10
[INFO] [stderr]     Checking ureq v2.9.7
[INFO] [stderr]     Checking mockall v0.11.4
[INFO] [stderr]     Checking upon v0.7.1
[INFO] [stderr]     Checking toml v0.5.11
[INFO] [stderr]     Checking epub-builder v0.7.4
[INFO] [stderr]     Checking handlebars v5.1.2
[INFO] [stderr]     Checking html_parser v0.7.0
[INFO] [stderr]     Checking mdbook v0.4.40
[INFO] [stderr]     Checking mdbook-epub v0.4.40 (/opt/rustwide/workdir)
[INFO] [stdout] error: this value of type `Result<EpubDoc<BufReader<File>>, DocError>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> tests/integration_tests.rs:41:11
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let (ctx, _md, temp) = create_dummy_book().unwrap();
[INFO] [stdout]    |               ---  ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout]    |               |
[INFO] [stdout]    |               these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 41 |     match EpubDoc::new(&output_file) {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout]    = note: requested on the command line with `-D tail-expr-drop-order`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this value of type `std::collections::hash_map::IntoIter<std::string::String, asset::Asset>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/resources/resource.rs:294:29
[INFO] [stdout]     |
[INFO] [stdout] 278 |         let tmp_dir = TempDir::new().unwrap();
[INFO] [stdout]     |             ------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 294 |         for (key, value) in assets.clone().into_iter() {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout]     = note: requested on the command line with `-D tail-expr-drop-order`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mdbook-epub` (test "integration_tests") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mdbook-epub` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "abb3d6eb6de7944289795f140a2f02503f2791846e15884bc9d7730ecefae509", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abb3d6eb6de7944289795f140a2f02503f2791846e15884bc9d7730ecefae509", kill_on_drop: false }`
[INFO] [stdout] abb3d6eb6de7944289795f140a2f02503f2791846e15884bc9d7730ecefae509