[INFO] fetching crate lalrproc 0.0.8... [INFO] checking lalrproc-0.0.8 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate lalrproc 0.0.8 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate lalrproc 0.0.8 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 lalrproc 0.0.8 [INFO] finished tweaking crates.io crate lalrproc 0.0.8 [INFO] tweaked toml for crates.io crate lalrproc 0.0.8 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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 69 packages to latest compatible versions [INFO] [stderr] Adding bit-set v0.5.3 (available: v0.8.0) [INFO] [stderr] Adding bit-vec v0.6.3 (available: v0.8.0) [INFO] [stderr] Adding fixedbitset v0.4.2 (available: v0.5.7) [INFO] [stderr] Adding itertools v0.10.5 (available: v0.13.0) [INFO] [stderr] Adding lalrpop v0.19.12 (available: v0.21.0) [INFO] [stderr] Adding lalrpop-util v0.19.12 (available: v0.21.0) [INFO] [stderr] Adding phf_shared v0.10.0 (available: v0.11.2) [INFO] [stderr] Adding regex-syntax v0.6.29 (available: v0.8.4) [INFO] [stderr] Adding siphasher v0.3.11 (available: v1.0.1) [INFO] [stderr] Adding term v0.7.0 (available: v1.0.0) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1) [INFO] [stderr] Adding windows-sys v0.52.0 (available: v0.59.0) [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-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b9b77e24cd632aa92491f54359519f479dcdc53a9a57842a172f1b6f8df4765c [INFO] running `Command { std: "docker" "start" "-a" "b9b77e24cd632aa92491f54359519f479dcdc53a9a57842a172f1b6f8df4765c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b9b77e24cd632aa92491f54359519f479dcdc53a9a57842a172f1b6f8df4765c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b9b77e24cd632aa92491f54359519f479dcdc53a9a57842a172f1b6f8df4765c", kill_on_drop: false }` [INFO] [stdout] b9b77e24cd632aa92491f54359519f479dcdc53a9a57842a172f1b6f8df4765c [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_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] 274df6559e05d984387c8b08190eb78690083844c7493ac40ba19e81d0a70b84 [INFO] running `Command { std: "docker" "start" "-a" "274df6559e05d984387c8b08190eb78690083844c7493ac40ba19e81d0a70b84", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.159 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling memchr v2.7.4 [INFO] [stderr] Compiling smallvec v1.13.2 [INFO] [stderr] Compiling scopeguard v1.2.0 [INFO] [stderr] Compiling crunchy v0.2.2 [INFO] [stderr] Compiling regex-syntax v0.8.4 [INFO] [stderr] Compiling tiny-keccak v2.0.2 [INFO] [stderr] Compiling hashbrown v0.14.5 [INFO] [stderr] Compiling precomputed-hash v0.1.1 [INFO] [stderr] Compiling fixedbitset v0.4.2 [INFO] [stderr] Compiling parking_lot_core v0.9.10 [INFO] [stderr] Compiling phf_shared v0.10.0 [INFO] [stderr] Compiling new_debug_unreachable v1.0.6 [INFO] [stderr] Compiling bit-vec v0.6.3 [INFO] [stderr] Compiling lock_api v0.4.12 [INFO] [stderr] Compiling log v0.4.22 [INFO] [stderr] Compiling itertools v0.10.5 [INFO] [stderr] Compiling unicode-xid v0.2.6 [INFO] [stderr] Compiling diff v0.1.13 [INFO] [stderr] Compiling regex-syntax v0.6.29 [INFO] [stderr] Checking regex-automata v0.4.7 [INFO] [stderr] Compiling bit-set v0.5.3 [INFO] [stderr] Compiling ena v0.14.3 [INFO] [stderr] Compiling aho-corasick v1.1.3 [INFO] [stderr] Compiling dirs-sys-next v0.1.2 [INFO] [stderr] Compiling is-terminal v0.4.13 [INFO] [stderr] Compiling indexmap v2.5.0 [INFO] [stderr] Compiling dirs-next v2.0.0 [INFO] [stderr] Compiling parking_lot v0.12.3 [INFO] [stderr] Compiling term v0.7.0 [INFO] [stderr] Compiling string_cache v0.8.7 [INFO] [stderr] Compiling ascii-canvas v3.0.0 [INFO] [stderr] Compiling petgraph v0.6.5 [INFO] [stderr] Checking regex v1.10.6 [INFO] [stderr] Checking lalrpop-util v0.19.12 [INFO] [stderr] Compiling lalrpop v0.19.12 [INFO] [stderr] Compiling lalrproc v0.0.8 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `Option` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/cursor.rs:39:15 [INFO] [stdout] | [INFO] [stdout] 38 | let mut top = self.stack.pop()?; [INFO] [stdout] | ------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 39 | match top.iter.next() { [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 `Option` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/cursor.rs:39:15 [INFO] [stdout] | [INFO] [stdout] 38 | let mut top = self.stack.pop()?; [INFO] [stdout] | ------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 39 | match top.iter.next() { [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 `Option` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/cursor.rs:39:15 [INFO] [stdout] | [INFO] [stdout] 38 | let mut top = self.stack.pop()?; [INFO] [stdout] | ------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 39 | match top.iter.next() { [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 `span` is never read [INFO] [stdout] --> src/ast.rs:42:9 [INFO] [stdout] | [INFO] [stdout] 40 | pub struct Lifetime { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] 41 | pub ident: Ident, [INFO] [stdout] 42 | pub span: Span, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Lifetime` 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: field `span` is never read [INFO] [stdout] --> src/ast.rs:42:9 [INFO] [stdout] | [INFO] [stdout] 40 | pub struct Lifetime { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] 41 | pub ident: Ident, [INFO] [stdout] 42 | pub span: Span, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Lifetime` 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] error: aborting due to 1 previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `span` is never read [INFO] [stdout] --> src/ast.rs:42:9 [INFO] [stdout] | [INFO] [stdout] 40 | pub struct Lifetime { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] 41 | pub ident: Ident, [INFO] [stdout] 42 | pub span: Span, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Lifetime` 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] [stderr] error: could not compile `lalrproc` (lib) due to 2 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `lalrproc` (lib test) due to 2 previous errors; 1 warning emitted [INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `lalrproc` (lib) due to 2 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "274df6559e05d984387c8b08190eb78690083844c7493ac40ba19e81d0a70b84", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "274df6559e05d984387c8b08190eb78690083844c7493ac40ba19e81d0a70b84", kill_on_drop: false }` [INFO] [stdout] 274df6559e05d984387c8b08190eb78690083844c7493ac40ba19e81d0a70b84