[INFO] fetching crate diatom-core 0.6.1... [INFO] checking diatom-core-0.6.1 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate diatom-core 0.6.1 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate diatom-core 0.6.1 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate diatom-core 0.6.1 [INFO] finished tweaking crates.io crate diatom-core 0.6.1 [INFO] tweaked toml for crates.io crate diatom-core 0.6.1 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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 41 packages to latest compatible versions [INFO] [stderr] Adding unicode-width v0.1.14 (available: v0.2.0) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e77d1a47180a4004b226af5a3ee2be8efb580669b041ae3fcc9edca0f85ce1bd [INFO] running `Command { std: "docker" "start" "-a" "e77d1a47180a4004b226af5a3ee2be8efb580669b041ae3fcc9edca0f85ce1bd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e77d1a47180a4004b226af5a3ee2be8efb580669b041ae3fcc9edca0f85ce1bd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e77d1a47180a4004b226af5a3ee2be8efb580669b041ae3fcc9edca0f85ce1bd", kill_on_drop: false }` [INFO] [stdout] e77d1a47180a4004b226af5a3ee2be8efb580669b041ae3fcc9edca0f85ce1bd [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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3d0d077a3ef3d399ac752cfd2c660808f3b0ecaf093c0d0af8fa6d1b62a94737 [INFO] running `Command { std: "docker" "start" "-a" "3d0d077a3ef3d399ac752cfd2c660808f3b0ecaf093c0d0af8fa6d1b62a94737", kill_on_drop: false }` [INFO] [stderr] Compiling crunchy v0.2.2 [INFO] [stderr] Compiling libc v0.2.159 [INFO] [stderr] Compiling tiny-keccak v2.0.2 [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling unicode-ident v1.0.13 [INFO] [stderr] Compiling once_cell v1.19.0 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling version_check v0.9.5 [INFO] [stderr] Checking regex-syntax v0.8.4 [INFO] [stderr] Checking termcolor v1.4.1 [INFO] [stderr] Checking zerocopy v0.7.35 [INFO] [stderr] Checking unicode-width v0.1.14 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Checking more-asserts v0.3.1 [INFO] [stderr] Checking bimap v0.6.3 [INFO] [stderr] Compiling ahash v0.8.11 [INFO] [stderr] Checking codespan-reporting v0.11.1 [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Compiling getrandom v0.2.15 [INFO] [stderr] Compiling const-random-macro v0.1.16 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Checking const-random v0.1.18 [INFO] [stderr] Checking regex-automata v0.4.7 [INFO] [stderr] Checking regex v1.10.6 [INFO] [stderr] Compiling enum_dispatch v0.3.13 [INFO] [stderr] Checking diatom-core v0.6.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `Keyword` and `Operator` [INFO] [stdout] --> src/frontend/mod.rs:4:17 [INFO] [stdout] | [INFO] [stdout] 4 | pub use lexer::{Keyword, Lexer, Operator, Token}; [INFO] [stdout] | ^^^^^^^ ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Keyword` and `Operator` [INFO] [stdout] --> src/frontend/mod.rs:4:17 [INFO] [stdout] | [INFO] [stdout] 4 | pub use lexer::{Keyword, Lexer, Operator, Token}; [INFO] [stdout] | ^^^^^^^ ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this value of type `(VmError, Vec)` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/interpreter/mod.rs:390:15 [INFO] [stdout] | [INFO] [stdout] 386 | source: impl AsRef, [INFO] [stdout] | ------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 390 | match self.vm.exec(&self.byte_code, &mut self.gc, &mut self.out) { [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: this value of type `(VmError, Vec)` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/interpreter/mod.rs:390:15 [INFO] [stdout] | [INFO] [stdout] 386 | source: impl AsRef, [INFO] [stdout] | ------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 390 | match self.vm.exec(&self.byte_code, &mut self.gc, &mut self.out) { [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] warning: field `loc` is never read [INFO] [stdout] --> src/frontend/parser/ast.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 12 | Expr { [INFO] [stdout] | ---- field in this variant [INFO] [stdout] 13 | loc: Loc, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Stmt` has a derived impl for the trait `Clone`, 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 `gc` and `insts` are never read [INFO] [stdout] --> src/interpreter/scanner/capture_scanner.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 8 | pub struct CaptureScanner<'a, Buffer: IoWrite> { [INFO] [stdout] | -------------- fields in this struct [INFO] [stdout] 9 | pub register_table: &'a mut RegisterTable, [INFO] [stdout] 10 | pub gc: &'a mut Gc, [INFO] [stdout] | ^^ [INFO] [stdout] 11 | pub insts: &'a mut Vec, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `LibDummy` is never constructed [INFO] [stdout] --> src/interpreter/std_core.rs:64:19 [INFO] [stdout] | [INFO] [stdout] 64 | pub(crate) struct LibDummy; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `loc` is never read [INFO] [stdout] --> src/vm/op.rs:193:9 [INFO] [stdout] | [INFO] [stdout] 188 | pub struct OpImport { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 193 | pub loc: Loc, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `loc` is never read [INFO] [stdout] --> src/vm/op.rs:339:9 [INFO] [stdout] | [INFO] [stdout] 338 | pub struct OpMakeClosure { [INFO] [stdout] | ------------- field in this struct [INFO] [stdout] 339 | pub loc: Loc, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `loc` is never read [INFO] [stdout] --> src/vm/op.rs:1436:9 [INFO] [stdout] | [INFO] [stdout] 1435 | pub struct OpJump { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 1436 | pub loc: Loc, [INFO] [stdout] | ^^^ [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 `diatom-core` (lib) due to 2 previous errors; 7 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: field `loc` is never read [INFO] [stdout] --> src/frontend/parser/ast.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 12 | Expr { [INFO] [stdout] | ---- field in this variant [INFO] [stdout] 13 | loc: Loc, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Stmt` has a derived impl for the trait `Clone`, 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 `gc` and `insts` are never read [INFO] [stdout] --> src/interpreter/scanner/capture_scanner.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 8 | pub struct CaptureScanner<'a, Buffer: IoWrite> { [INFO] [stdout] | -------------- fields in this struct [INFO] [stdout] 9 | pub register_table: &'a mut RegisterTable, [INFO] [stdout] 10 | pub gc: &'a mut Gc, [INFO] [stdout] | ^^ [INFO] [stdout] 11 | pub insts: &'a mut Vec, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `loc` is never read [INFO] [stdout] --> src/vm/op.rs:193:9 [INFO] [stdout] | [INFO] [stdout] 188 | pub struct OpImport { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 193 | pub loc: Loc, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `loc` is never read [INFO] [stdout] --> src/vm/op.rs:339:9 [INFO] [stdout] | [INFO] [stdout] 338 | pub struct OpMakeClosure { [INFO] [stdout] | ------------- field in this struct [INFO] [stdout] 339 | pub loc: Loc, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `loc` is never read [INFO] [stdout] --> src/vm/op.rs:1436:9 [INFO] [stdout] | [INFO] [stdout] 1435 | pub struct OpJump { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 1436 | pub loc: Loc, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `diatom-core` (lib test) due to 2 previous errors; 6 warnings emitted [INFO] running `Command { std: "docker" "inspect" "3d0d077a3ef3d399ac752cfd2c660808f3b0ecaf093c0d0af8fa6d1b62a94737", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3d0d077a3ef3d399ac752cfd2c660808f3b0ecaf093c0d0af8fa6d1b62a94737", kill_on_drop: false }` [INFO] [stdout] 3d0d077a3ef3d399ac752cfd2c660808f3b0ecaf093c0d0af8fa6d1b62a94737