[INFO] cloning repository https://github.com/badboy/mdbook-mermaid [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/badboy/mdbook-mermaid" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbadboy%2Fmdbook-mermaid", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbadboy%2Fmdbook-mermaid'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ca18754266fc1da8270bb5e7a9a9dcace3dfc944 [INFO] checking badboy/mdbook-mermaid/ca18754266fc1da8270bb5e7a9a9dcace3dfc944 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbadboy%2Fmdbook-mermaid" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/badboy/mdbook-mermaid on toolchain 4d98531622e1718ae0bc3c7a1ab9cd8938428452 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/badboy/mdbook-mermaid [INFO] finished tweaking git repo https://github.com/badboy/mdbook-mermaid [INFO] tweaked toml for git repo https://github.com/badboy/mdbook-mermaid written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/badboy/mdbook-mermaid 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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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_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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 50237269ca22bdbb07c853ba9213a5fad689557ef4ec0572b9cb183e41e47ac3 [INFO] running `Command { std: "docker" "start" "-a" "50237269ca22bdbb07c853ba9213a5fad689557ef4ec0572b9cb183e41e47ac3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "50237269ca22bdbb07c853ba9213a5fad689557ef4ec0572b9cb183e41e47ac3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "50237269ca22bdbb07c853ba9213a5fad689557ef4ec0572b9cb183e41e47ac3", kill_on_drop: false }` [INFO] [stdout] 50237269ca22bdbb07c853ba9213a5fad689557ef4ec0572b9cb183e41e47ac3 [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=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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bacfdb3f70890eecedcdf2e5000b5cbc2e8a654b7e86f77b6f6170fd874b43f5 [INFO] running `Command { std: "docker" "start" "-a" "bacfdb3f70890eecedcdf2e5000b5cbc2e8a654b7e86f77b6f6170fd874b43f5", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.70 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Checking memchr v2.6.4 [INFO] [stderr] Compiling thiserror v1.0.50 [INFO] [stderr] Compiling rustix v0.38.28 [INFO] [stderr] Checking bitflags v2.4.1 [INFO] [stderr] Checking linux-raw-sys v0.4.12 [INFO] [stderr] Checking regex-syntax v0.8.2 [INFO] [stderr] Checking anstyle v1.0.4 [INFO] [stderr] Compiling ucd-trie v0.1.6 [INFO] [stderr] Compiling serde v1.0.193 [INFO] [stderr] Checking utf8parse v0.2.1 [INFO] [stderr] Compiling once_cell v1.19.0 [INFO] [stderr] Checking anstyle-query v1.0.2 [INFO] [stderr] Checking colorchoice v1.0.0 [INFO] [stderr] Compiling num-traits v0.2.17 [INFO] [stderr] Compiling unicase v2.7.0 [INFO] [stderr] Checking clap_lex v0.6.0 [INFO] [stderr] Checking anstyle-parse v0.2.3 [INFO] [stderr] Compiling serde_json v1.0.108 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Checking ryu v1.0.16 [INFO] [stderr] Checking itoa v1.0.10 [INFO] [stderr] Checking log v0.4.20 [INFO] [stderr] Compiling pulldown-cmark v0.9.3 [INFO] [stderr] Compiling anyhow v1.0.75 [INFO] [stderr] Checking humantime v2.1.0 [INFO] [stderr] Checking fastrand v2.0.1 [INFO] [stderr] Checking termcolor v1.4.0 [INFO] [stderr] Checking anstream v0.6.5 [INFO] [stderr] Compiling libc v0.2.151 [INFO] [stderr] Checking iana-time-zone v0.1.58 [INFO] [stderr] Checking bytes v1.5.0 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking pathdiff v0.2.1 [INFO] [stderr] Checking toml_datetime v0.5.1 [INFO] [stderr] Compiling doc-comment v0.3.3 [INFO] [stderr] Checking predicates-core v1.0.6 [INFO] [stderr] Checking shlex v1.2.0 [INFO] [stderr] Checking topological-sort v0.2.2 [INFO] [stderr] Checking difflib v0.4.0 [INFO] [stderr] Checking termtree v0.4.1 [INFO] [stderr] Checking aho-corasick v1.1.2 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Checking predicates-tree v1.0.9 [INFO] [stderr] Checking predicates v3.0.4 [INFO] [stderr] Checking combine v4.6.6 [INFO] [stderr] Compiling syn v2.0.41 [INFO] [stderr] Checking chrono v0.4.31 [INFO] [stderr] Checking regex-automata v0.4.3 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking terminal_size v0.3.0 [INFO] [stderr] Checking is-terminal v0.4.9 [INFO] [stderr] Checking tempfile v3.8.1 [INFO] [stderr] Checking clap_builder v4.4.11 [INFO] [stderr] Checking bstr v1.8.0 [INFO] [stderr] Checking regex v1.10.2 [INFO] [stderr] Compiling thiserror-impl v1.0.50 [INFO] [stderr] Compiling serde_derive v1.0.193 [INFO] [stderr] Checking clap v4.4.11 [INFO] [stderr] Checking clap_complete v4.4.4 [INFO] [stderr] Checking env_logger v0.10.1 [INFO] [stderr] Checking opener v0.6.1 [INFO] [stderr] Checking assert_cmd v2.0.12 [INFO] [stderr] Checking pest v2.7.5 [INFO] [stderr] Checking toml_edit v0.15.0 [INFO] [stderr] Compiling pest_meta v2.7.5 [INFO] [stderr] Compiling pest_generator v2.7.5 [INFO] [stderr] Compiling pest_derive v2.7.5 [INFO] [stderr] Checking toml v0.5.11 [INFO] [stderr] Checking handlebars v4.5.0 [INFO] [stderr] Checking mdbook v0.4.36 [INFO] [stderr] Checking mdbook-mermaid v0.13.0 (/opt/rustwide/workdir) [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 14 | let mut res = None; [INFO] [stdout] | --- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 27 | res.unwrap_or(Ok(())).map(|_| book) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #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-mermaid` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 14 | let mut res = None; [INFO] [stdout] | --- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 27 | res.unwrap_or(Ok(())).map(|_| book) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #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-mermaid` (lib test) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "bacfdb3f70890eecedcdf2e5000b5cbc2e8a654b7e86f77b6f6170fd874b43f5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bacfdb3f70890eecedcdf2e5000b5cbc2e8a654b7e86f77b6f6170fd874b43f5", kill_on_drop: false }` [INFO] [stdout] bacfdb3f70890eecedcdf2e5000b5cbc2e8a654b7e86f77b6f6170fd874b43f5