[INFO] fetching crate alphabet-macro 0.1.2... [INFO] checking alphabet-macro-0.1.2 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate alphabet-macro 0.1.2 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate alphabet-macro 0.1.2 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 alphabet-macro 0.1.2 [INFO] finished tweaking crates.io crate alphabet-macro 0.1.2 [INFO] tweaked toml for crates.io crate alphabet-macro 0.1.2 written to /workspace/builds/worker-4-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 }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 5 packages to latest compatible versions [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.77) [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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] d81c073de2dfbe5e67b7f41bd3cd20275688146a8b2eb8c9eb7bc539753d8d04 [INFO] running `Command { std: "docker" "start" "-a" "d81c073de2dfbe5e67b7f41bd3cd20275688146a8b2eb8c9eb7bc539753d8d04", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d81c073de2dfbe5e67b7f41bd3cd20275688146a8b2eb8c9eb7bc539753d8d04", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d81c073de2dfbe5e67b7f41bd3cd20275688146a8b2eb8c9eb7bc539753d8d04", kill_on_drop: false }` [INFO] [stdout] d81c073de2dfbe5e67b7f41bd3cd20275688146a8b2eb8c9eb7bc539753d8d04 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] dba9dfb4922e70ffb9fe11fac92b90ee51a73824ab3a96a7b31c58d248deac18 [INFO] running `Command { std: "docker" "start" "-a" "dba9dfb4922e70ffb9fe11fac92b90ee51a73824ab3a96a7b31c58d248deac18", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Checking unicode-ident v1.0.12 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking quote v1.0.37 [INFO] [stderr] Checking alphabet-macro v0.1.2 (/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:92:23 [INFO] [stdout] | [INFO] [stdout] 82 | pub fn alphabet(input: TokenStream) -> TokenStream { [INFO] [stdout] | ------------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 83 | let Alphabet { [INFO] [stdout] 84 | meta, [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 85 | vis, [INFO] [stdout] | --- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 86 | ident, [INFO] [stdout] | ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 87 | contents [INFO] [stdout] 88 | } = syn::parse_macro_input!(input as Alphabet); [INFO] [stdout] | ------------------------------------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 92 | TokenStream::from(match meta { [INFO] [stdout] | _______________________^ [INFO] [stdout] 93 | | None => quote! { [INFO] [stdout] 94 | | #vis const #ident: [char; #alphabet_len] = [#(#chars),*]; [INFO] [stdout] 95 | | }, [INFO] [stdout] ... | [INFO] [stdout] 98 | | } [INFO] [stdout] 99 | | }) [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: 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:143:12 [INFO] [stdout] | [INFO] [stdout] 104 | let meta; [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 113 | let vis; [INFO] [stdout] | --- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 124 | let ident: syn::Ident = buf.parse()?; [INFO] [stdout] | ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 132 | let contents: syn::LitStr = buf.parse()?; [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 143 | Ok(Alphabet { [INFO] [stdout] | ____________^ [INFO] [stdout] 144 | | meta, [INFO] [stdout] 145 | | vis, [INFO] [stdout] 146 | | ident, [INFO] [stdout] 147 | | contents [INFO] [stdout] 148 | | }) [INFO] [stdout] | | ^ [INFO] [stdout] | | | [INFO] [stdout] | | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | |_________these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [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/lib.rs:92:23 [INFO] [stdout] | [INFO] [stdout] 82 | pub fn alphabet(input: TokenStream) -> TokenStream { [INFO] [stdout] | ------------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 83 | let Alphabet { [INFO] [stdout] 84 | meta, [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 85 | vis, [INFO] [stdout] | --- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 86 | ident, [INFO] [stdout] | ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 87 | contents [INFO] [stdout] 88 | } = syn::parse_macro_input!(input as Alphabet); [INFO] [stdout] | ------------------------------------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 92 | TokenStream::from(match meta { [INFO] [stdout] | _______________________^ [INFO] [stdout] 93 | | None => quote! { [INFO] [stdout] 94 | | #vis const #ident: [char; #alphabet_len] = [#(#chars),*]; [INFO] [stdout] 95 | | }, [INFO] [stdout] ... | [INFO] [stdout] 98 | | } [INFO] [stdout] 99 | | }) [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: 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:143:12 [INFO] [stdout] | [INFO] [stdout] 104 | let meta; [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 113 | let vis; [INFO] [stdout] | --- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 124 | let ident: syn::Ident = buf.parse()?; [INFO] [stdout] | ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 132 | let contents: syn::LitStr = buf.parse()?; [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 143 | Ok(Alphabet { [INFO] [stdout] | ____________^ [INFO] [stdout] 144 | | meta, [INFO] [stdout] 145 | | vis, [INFO] [stdout] 146 | | ident, [INFO] [stdout] 147 | | contents [INFO] [stdout] 148 | | }) [INFO] [stdout] | | ^ [INFO] [stdout] | | | [INFO] [stdout] | | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | |_________these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `alphabet-macro` (lib) due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `alphabet-macro` (lib test) due to 3 previous errors [INFO] running `Command { std: "docker" "inspect" "dba9dfb4922e70ffb9fe11fac92b90ee51a73824ab3a96a7b31c58d248deac18", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dba9dfb4922e70ffb9fe11fac92b90ee51a73824ab3a96a7b31c58d248deac18", kill_on_drop: false }` [INFO] [stdout] dba9dfb4922e70ffb9fe11fac92b90ee51a73824ab3a96a7b31c58d248deac18