[INFO] fetching crate entrez-rs 0.1.4...
[INFO] checking entrez-rs-0.1.4 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604
[INFO] extracting crate entrez-rs 0.1.4 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate entrez-rs 0.1.4 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 crates.io crate entrez-rs 0.1.4
[INFO] finished tweaking crates.io crate entrez-rs 0.1.4
[INFO] tweaked toml for crates.io crate entrez-rs 0.1.4 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[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] 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 }`
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[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/parser/pubmed.rs:449:16
[INFO] [stdout]     |
[INFO] [stdout] 449 |                &txt.push("<");
[INFO] [stdout]     |                ^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 449 |                let _ = &txt.push("<");
[INFO] [stdout]     |                +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/parser/pubmed.rs:464:20
[INFO] [stdout]     |
[INFO] [stdout] 464 |                    &txt.push(elem.tag_name().name());
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 464 |                    let _ = &txt.push(elem.tag_name().name());
[INFO] [stdout]     |                    +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/parser/pubmed.rs:466:16
[INFO] [stdout]     |
[INFO] [stdout] 466 |                &txt.push(">");
[INFO] [stdout]     |                ^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 466 |                let _ = &txt.push(">");
[INFO] [stdout]     |                +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/parser/pubmed.rs:472:28
[INFO] [stdout]     |
[INFO] [stdout] 472 | ...                   &txt.push("<");
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 472 |                            let _ = &txt.push("<");
[INFO] [stdout]     |                            +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/parser/pubmed.rs:487:24
[INFO] [stdout]     |
[INFO] [stdout] 487 |                        &txt.push(c.tag_name().name());
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 487 |                        let _ = &txt.push(c.tag_name().name());
[INFO] [stdout]     |                        +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/parser/pubmed.rs:489:20
[INFO] [stdout]     |
[INFO] [stdout] 489 |                    &txt.push(">");
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 489 |                    let _ = &txt.push(">");
[INFO] [stdout]     |                    +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/parser/pubmed.rs:494:20
[INFO] [stdout]     |
[INFO] [stdout] 494 |                    &txt.push("</");
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 494 |                    let _ = &txt.push("</");
[INFO] [stdout]     |                    +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/parser/pubmed.rs:501:16
[INFO] [stdout]     |
[INFO] [stdout] 501 |                &txt.push(c.tag_name().name());
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 501 |                let _ = &txt.push(c.tag_name().name());
[INFO] [stdout]     |                +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/parser/pubmed.rs:502:16
[INFO] [stdout]     |
[INFO] [stdout] 502 |                &txt.push(">");
[INFO] [stdout]     |                ^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 502 |                let _ = &txt.push(">");
[INFO] [stdout]     |                +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/parser/pubmed.rs:521:16
[INFO] [stdout]     |
[INFO] [stdout] 521 |                &txt.push("</");
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 521 |                let _ = &txt.push("</");
[INFO] [stdout]     |                +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/parser/pubmed.rs:528:16
[INFO] [stdout]     |
[INFO] [stdout] 528 |                &txt.push(elem.tag_name().name());
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 528 |                let _ = &txt.push(elem.tag_name().name());
[INFO] [stdout]     |                +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/parser/pubmed.rs:529:16
[INFO] [stdout]     |
[INFO] [stdout] 529 |                &txt.push(">");
[INFO] [stdout]     |                ^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 529 |                let _ = &txt.push(">");
[INFO] [stdout]     |                +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[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/errors.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn from(e: quick_xml::DeError) -> Self {
[INFO] [stdout]    |             --------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 21 |         Error::ParsingError(
[INFO] [stdout] 22 |             ParsingErrorType::QXML(e)
[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] warning: unused borrow that must be used
[INFO] [stdout]    --> src/parser/pubmed.rs:449:16
[INFO] [stdout]     |
[INFO] [stdout] 449 |                &txt.push("<");
[INFO] [stdout]     |                ^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 449 |                let _ = &txt.push("<");
[INFO] [stdout]     |                +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/parser/pubmed.rs:464:20
[INFO] [stdout]     |
[INFO] [stdout] 464 |                    &txt.push(elem.tag_name().name());
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 464 |                    let _ = &txt.push(elem.tag_name().name());
[INFO] [stdout]     |                    +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/parser/pubmed.rs:466:16
[INFO] [stdout]     |
[INFO] [stdout] 466 |                &txt.push(">");
[INFO] [stdout]     |                ^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 466 |                let _ = &txt.push(">");
[INFO] [stdout]     |                +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/parser/pubmed.rs:472:28
[INFO] [stdout]     |
[INFO] [stdout] 472 | ...                   &txt.push("<");
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 472 |                            let _ = &txt.push("<");
[INFO] [stdout]     |                            +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/parser/pubmed.rs:487:24
[INFO] [stdout]     |
[INFO] [stdout] 487 |                        &txt.push(c.tag_name().name());
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 487 |                        let _ = &txt.push(c.tag_name().name());
[INFO] [stdout]     |                        +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/parser/pubmed.rs:489:20
[INFO] [stdout]     |
[INFO] [stdout] 489 |                    &txt.push(">");
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 489 |                    let _ = &txt.push(">");
[INFO] [stdout]     |                    +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/parser/pubmed.rs:494:20
[INFO] [stdout]     |
[INFO] [stdout] 494 |                    &txt.push("</");
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 494 |                    let _ = &txt.push("</");
[INFO] [stdout]     |                    +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/parser/pubmed.rs:501:16
[INFO] [stdout]     |
[INFO] [stdout] 501 |                &txt.push(c.tag_name().name());
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 501 |                let _ = &txt.push(c.tag_name().name());
[INFO] [stdout]     |                +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/parser/pubmed.rs:502:16
[INFO] [stdout]     |
[INFO] [stdout] 502 |                &txt.push(">");
[INFO] [stdout]     |                ^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 502 |                let _ = &txt.push(">");
[INFO] [stdout]     |                +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/parser/pubmed.rs:521:16
[INFO] [stdout]     |
[INFO] [stdout] 521 |                &txt.push("</");
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 521 |                let _ = &txt.push("</");
[INFO] [stdout]     |                +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/parser/pubmed.rs:528:16
[INFO] [stdout]     |
[INFO] [stdout] 528 |                &txt.push(elem.tag_name().name());
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 528 |                let _ = &txt.push(elem.tag_name().name());
[INFO] [stdout]     |                +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/parser/pubmed.rs:529:16
[INFO] [stdout]     |
[INFO] [stdout] 529 |                &txt.push(">");
[INFO] [stdout]     |                ^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 529 |                let _ = &txt.push(">");
[INFO] [stdout]     |                +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[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/errors.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn from(e: quick_xml::DeError) -> Self {
[INFO] [stdout]    |             --------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 21 |         Error::ParsingError(
[INFO] [stdout] 22 |             ParsingErrorType::QXML(e)
[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; 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `entrez-rs` (lib test) due to 2 previous errors; 12 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `entrez-rs` (lib) due to 2 previous errors; 12 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "62a695218c41f4c938a96d5b0af489122377ae6b63332c6c29c4b71908c11403", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62a695218c41f4c938a96d5b0af489122377ae6b63332c6c29c4b71908c11403", kill_on_drop: false }`
[INFO] [stdout] 62a695218c41f4c938a96d5b0af489122377ae6b63332c6c29c4b71908c11403