[INFO] fetching crate rustre-parser 0.1.0... [INFO] building rustre-parser-0.1.0 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] extracting crate rustre-parser 0.1.0 into /workspace/builds/worker-7-tc1/source [INFO] validating manifest of crates.io crate rustre-parser 0.1.0 on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate rustre-parser 0.1.0 [INFO] finished tweaking crates.io crate rustre-parser 0.1.0 [INFO] tweaked toml for crates.io crate rustre-parser 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 63745670f919f7704e75c938e521462d78378699fb4c6ab1f04ea336d555b252 [INFO] running `Command { std: "docker" "start" "-a" "63745670f919f7704e75c938e521462d78378699fb4c6ab1f04ea336d555b252", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "63745670f919f7704e75c938e521462d78378699fb4c6ab1f04ea336d555b252", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "63745670f919f7704e75c938e521462d78378699fb4c6ab1f04ea336d555b252", kill_on_drop: false }` [INFO] [stdout] 63745670f919f7704e75c938e521462d78378699fb4c6ab1f04ea336d555b252 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e0078d88a51d28fe92fbe734753d91e9c7019b0d07396cbb62a6bb0f9c7cb076 [INFO] running `Command { std: "docker" "start" "-a" "e0078d88a51d28fe92fbe734753d91e9c7019b0d07396cbb62a6bb0f9c7cb076", kill_on_drop: false }` [INFO] [stderr] Compiling rustre-parser v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: relative drop order changing in Rust 2024 [INFO] [stdout] --> src/parser.rs:912:19 [INFO] [stdout] | [INFO] [stdout] 912 | match parse(self, toks) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this value will be stored in a temporary; let us call it `#1` [INFO] [stdout] | up until Edition 2021 `#1` is dropped last but will be dropped earlier in Edition 2024 [INFO] [stdout] 913 | Ok((t, mut item)) => { [INFO] [stdout] | -------- [INFO] [stdout] | | [INFO] [stdout] | `item` calls a custom destructor [INFO] [stdout] | `item` will be dropped later as of Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 929 | } [INFO] [stdout] | - now the temporary value is dropped here, before the local variables in the block or statement [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: most of the time, changing drop order is harmless; inspect the `impl Drop`s for side effects like releasing locks or sending messages [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `includes` and `decls` are never read [INFO] [stdout] --> src/parser.rs:36:5 [INFO] [stdout] | [INFO] [stdout] 34 | pub struct Ast<'a, 'f> { [INFO] [stdout] | --- fields in this struct [INFO] [stdout] 35 | /// A list of files this file includes [INFO] [stdout] 36 | includes: Vec>, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 37 | /// The declarations this file contains [INFO] [stdout] 38 | decls: Vec>>, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Ast` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `name`, `ty`, and `clock` are never read [INFO] [stdout] --> src/parser.rs:250:5 [INFO] [stdout] | [INFO] [stdout] 248 | pub struct VariableDecl<'a, 'f> { [INFO] [stdout] | ------------ fields in this struct [INFO] [stdout] 249 | /// Its name [INFO] [stdout] 250 | name: Spanned<'f, Ident<'a, 'f>>, [INFO] [stdout] | ^^^^ [INFO] [stdout] 251 | /// Its type [INFO] [stdout] 252 | ty: Spanned<'f, TyExpr<'a, 'f>>, [INFO] [stdout] | ^^ [INFO] [stdout] 253 | /// If None, the base clock is used [INFO] [stdout] 254 | clock: Option>>, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `VariableDecl` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `name`, `ty`, `clock`, and `value` are never read [INFO] [stdout] --> src/parser.rs:261:5 [INFO] [stdout] | [INFO] [stdout] 259 | pub struct ValuedVariableDecl<'a, 'f> { [INFO] [stdout] | ------------------ fields in this struct [INFO] [stdout] 260 | /// Its name [INFO] [stdout] 261 | name: Spanned<'f, Ident<'a, 'f>>, [INFO] [stdout] | ^^^^ [INFO] [stdout] 262 | /// Its type [INFO] [stdout] 263 | ty: Spanned<'f, TyExpr<'a, 'f>>, [INFO] [stdout] | ^^ [INFO] [stdout] 264 | /// If None, the base clock is used [INFO] [stdout] 265 | clock: Option>>, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 266 | /// Its initial value [INFO] [stdout] 267 | value: Option>>, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ValuedVariableDecl` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0` and `1` are never read [INFO] [stdout] --> src/parser.rs:276:5 [INFO] [stdout] | [INFO] [stdout] 272 | pub struct ClockExpr<'a, 'f>( [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 276 | Option>>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 280 | Box>>>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: consider removing these fields [INFO] [stdout] = note: `ClockExpr` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `lhs` and `expr` are never read [INFO] [stdout] --> src/parser.rs:433:5 [INFO] [stdout] | [INFO] [stdout] 431 | pub struct MergeCase<'a, 'f> { [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] 432 | /// The LHS [INFO] [stdout] 433 | lhs: Spanned<'f, MergeLHS<'a, 'f>>, [INFO] [stdout] | ^^^ [INFO] [stdout] 434 | /// The expression [INFO] [stdout] 435 | expr: Spanned<'f, Expr<'a, 'f>>, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `MergeCase` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rustre-parser` (lib) due to 1 previous error; 5 warnings emitted [INFO] running `Command { std: "docker" "inspect" "e0078d88a51d28fe92fbe734753d91e9c7019b0d07396cbb62a6bb0f9c7cb076", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e0078d88a51d28fe92fbe734753d91e9c7019b0d07396cbb62a6bb0f9c7cb076", kill_on_drop: false }` [INFO] [stdout] e0078d88a51d28fe92fbe734753d91e9c7019b0d07396cbb62a6bb0f9c7cb076