[INFO] fetching crate serde_json_pythonic 0.1.2... [INFO] checking serde_json_pythonic-0.1.2 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate serde_json_pythonic 0.1.2 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate serde_json_pythonic 0.1.2 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 crates.io crate serde_json_pythonic 0.1.2 [INFO] finished tweaking crates.io crate serde_json_pythonic 0.1.2 [INFO] tweaked toml for crates.io crate serde_json_pythonic 0.1.2 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 46 packages to latest compatible versions [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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 89393bd1803e57f8e3fcd97d4ba17d8e799465cab15bba8d18b8d474d1f6025d [INFO] running `Command { std: "docker" "start" "-a" "89393bd1803e57f8e3fcd97d4ba17d8e799465cab15bba8d18b8d474d1f6025d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "89393bd1803e57f8e3fcd97d4ba17d8e799465cab15bba8d18b8d474d1f6025d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "89393bd1803e57f8e3fcd97d4ba17d8e799465cab15bba8d18b8d474d1f6025d", kill_on_drop: false }` [INFO] [stdout] 89393bd1803e57f8e3fcd97d4ba17d8e799465cab15bba8d18b8d474d1f6025d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] a01ec1df3e4ccb95b2e9785405805bbc8a80921f0ea103b35c0d6335f747044e [INFO] running `Command { std: "docker" "start" "-a" "a01ec1df3e4ccb95b2e9785405805bbc8a80921f0ea103b35c0d6335f747044e", kill_on_drop: false }` [INFO] [stderr] Checking winnow v0.6.20 [INFO] [stderr] Compiling ref-cast v1.0.23 [INFO] [stderr] Compiling trybuild v1.0.99 [INFO] [stderr] Compiling serde_json_pythonic v0.1.2 (/opt/rustwide/workdir) [INFO] [stderr] Compiling rustversion v1.0.17 [INFO] [stderr] Checking dissimilar v1.0.9 [INFO] [stderr] Compiling psm v0.1.23 [INFO] [stderr] Compiling stacker v0.1.17 [INFO] [stderr] Compiling indoc v2.0.5 [INFO] [stderr] Compiling serde_derive v1.0.210 [INFO] [stderr] Compiling ref-cast-impl v1.0.23 [INFO] [stderr] Compiling automod v1.0.14 [INFO] [stderr] Checking serde v1.0.210 [INFO] [stderr] Checking toml_datetime v0.6.8 [INFO] [stderr] Checking serde_spanned v0.6.8 [INFO] [stderr] Checking serde_json v1.0.128 [INFO] [stderr] Checking serde_stacker v0.1.11 [INFO] [stderr] Checking serde_bytes v0.11.15 [INFO] [stdout] warning: unexpected `cfg` condition name: `no_btreemap_get_key_value` [INFO] [stdout] --> src/map.rs:109:47 [INFO] [stdout] | [INFO] [stdout] 109 | #[cfg(any(feature = "preserve_order", not(no_btreemap_get_key_value)))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: expected names are: `clippy`, `debug_assertions`, `doc`, `docsrs`, `doctest`, `feature`, `fmt_debug`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, and `windows` [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(no_btreemap_get_key_value)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(no_btreemap_get_key_value)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `no_btreemap_retain` [INFO] [stdout] --> src/map.rs:279:15 [INFO] [stdout] | [INFO] [stdout] 279 | #[cfg(not(no_btreemap_retain))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(no_btreemap_retain)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(no_btreemap_retain)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `no_btreemap_remove_entry` [INFO] [stdout] --> src/map.rs:156:51 [INFO] [stdout] | [INFO] [stdout] 156 | #[cfg(any(feature = "preserve_order", not(no_btreemap_remove_entry)))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(no_btreemap_remove_entry)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(no_btreemap_remove_entry)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `no_btreemap_remove_entry` [INFO] [stdout] --> src/map.rs:160:13 [INFO] [stdout] | [INFO] [stdout] 160 | no_btreemap_remove_entry, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(no_btreemap_remove_entry)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(no_btreemap_remove_entry)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `no_btreemap_get_key_value` [INFO] [stdout] --> src/map.rs:161:17 [INFO] [stdout] | [INFO] [stdout] 161 | not(no_btreemap_get_key_value), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(no_btreemap_get_key_value)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(no_btreemap_get_key_value)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `no_btreemap_remove_entry` [INFO] [stdout] --> src/map.rs:171:13 [INFO] [stdout] | [INFO] [stdout] 171 | no_btreemap_remove_entry, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(no_btreemap_remove_entry)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(no_btreemap_remove_entry)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `no_btreemap_get_key_value` [INFO] [stdout] --> src/map.rs:172:13 [INFO] [stdout] | [INFO] [stdout] 172 | no_btreemap_get_key_value, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(no_btreemap_get_key_value)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(no_btreemap_get_key_value)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking toml_edit v0.22.22 [INFO] [stdout] error: this value of type `>::Value` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/de.rs:1863:25 [INFO] [stdout] | [INFO] [stdout] 1854 | visitor: V, [INFO] [stdout] | ------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 1863 | let value = tri!(visitor.visit_enum(VariantAccess::new(self))); [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; 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `serde_json_pythonic` (lib) due to 2 previous errors; 7 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "a01ec1df3e4ccb95b2e9785405805bbc8a80921f0ea103b35c0d6335f747044e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a01ec1df3e4ccb95b2e9785405805bbc8a80921f0ea103b35c0d6335f747044e", kill_on_drop: false }` [INFO] [stdout] a01ec1df3e4ccb95b2e9785405805bbc8a80921f0ea103b35c0d6335f747044e