[INFO] fetching crate itsy 0.4.0... [INFO] checking itsy-0.4.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate itsy 0.4.0 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate itsy 0.4.0 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 itsy 0.4.0 [INFO] finished tweaking crates.io crate itsy 0.4.0 [INFO] tweaked toml for crates.io crate itsy 0.4.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate crates.io crate itsy 0.4.0 already has a lockfile, it will not be regenerated [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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] f91e3484e3974d7f320bd084659830207611fba4f273265518a6276986ea5bcc [INFO] running `Command { std: "docker" "start" "-a" "f91e3484e3974d7f320bd084659830207611fba4f273265518a6276986ea5bcc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f91e3484e3974d7f320bd084659830207611fba4f273265518a6276986ea5bcc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f91e3484e3974d7f320bd084659830207611fba4f273265518a6276986ea5bcc", kill_on_drop: false }` [INFO] [stdout] f91e3484e3974d7f320bd084659830207611fba4f273265518a6276986ea5bcc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 536f729ac2b4bf67c9d48592b9389d303c1721abcba08ae696be0fa70a3e4a4b [INFO] running `Command { std: "docker" "start" "-a" "536f729ac2b4bf67c9d48592b9389d303c1721abcba08ae696be0fa70a3e4a4b", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Checking minimal-lexical v0.2.1 [INFO] [stderr] Checking nom v7.1.1 [INFO] [stderr] Checking itsy v0.4.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/frontend/parser/types.rs:17:62 [INFO] [stdout] | [INFO] [stdout] 17 | pub fn modules<'a>(self: &'a Self) -> impl Iterator { [INFO] [stdout] | -- lifetime `'a` declared here ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(elided_named_lifetimes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/frontend/parser/types.rs:26:61 [INFO] [stdout] | [INFO] [stdout] 26 | pub fn using<'a>(self: &'a Self) -> impl Iterator { [INFO] [stdout] | -- lifetime `'a` declared here ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/frontend/parser/types.rs:26:70 [INFO] [stdout] | [INFO] [stdout] 26 | pub fn using<'a>(self: &'a Self) -> impl Iterator { [INFO] [stdout] | -- lifetime `'a` declared here ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/frontend/parser/types.rs:36:59 [INFO] [stdout] | [INFO] [stdout] 36 | pub fn iter<'a>(self: &'a Self) -> impl Iterator { [INFO] [stdout] | -- lifetime `'a` declared here ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/frontend/parser/parser.rs:39:155 [INFO] [stdout] | [INFO] [stdout] 39 | ...te<'a, P: 'a, O: 'a>(s: &'a impl Fn(&mut ParserState), mut parser: P) -> impl FnMut(Input<'a>) -> Output where P: FnMut(Input<'a>) -> Output src/frontend/parser/parser.rs:39:116 [INFO] [stdout] | [INFO] [stdout] 39 | fn with_state<'a, P: 'a, O: 'a>(s: &'a impl Fn(&mut ParserState), mut parser: P) -> impl FnMut(Input<'a>) -> Output where P: FnMut(Inp... [INFO] [stdout] | -- lifetime `'a` declared here ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/bytecode/compiler/util.rs:27:36 [INFO] [stdout] | [INFO] [stdout] 26 | impl<'p> CoverageRangeType<'p> { [INFO] [stdout] | -- lifetime `'p` declared here [INFO] [stdout] 27 | fn kind(self: &'p Self) -> &'p CoverageRangeKind { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ this elided lifetime gets resolved as `'p` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashSet as UnorderedSet` [INFO] [stdout] --> src/prelude.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 4 | pub use std::collections::HashSet as UnorderedSet; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/frontend/parser/types.rs:17:62 [INFO] [stdout] | [INFO] [stdout] 17 | pub fn modules<'a>(self: &'a Self) -> impl Iterator { [INFO] [stdout] | -- lifetime `'a` declared here ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(elided_named_lifetimes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/frontend/parser/types.rs:26:61 [INFO] [stdout] | [INFO] [stdout] 26 | pub fn using<'a>(self: &'a Self) -> impl Iterator { [INFO] [stdout] | -- lifetime `'a` declared here ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/frontend/parser/types.rs:26:70 [INFO] [stdout] | [INFO] [stdout] 26 | pub fn using<'a>(self: &'a Self) -> impl Iterator { [INFO] [stdout] | -- lifetime `'a` declared here ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/frontend/parser/types.rs:36:59 [INFO] [stdout] | [INFO] [stdout] 36 | pub fn iter<'a>(self: &'a Self) -> impl Iterator { [INFO] [stdout] | -- lifetime `'a` declared here ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/frontend/parser/parser.rs:39:155 [INFO] [stdout] | [INFO] [stdout] 39 | ...te<'a, P: 'a, O: 'a>(s: &'a impl Fn(&mut ParserState), mut parser: P) -> impl FnMut(Input<'a>) -> Output where P: FnMut(Input<'a>) -> Output src/frontend/parser/parser.rs:39:116 [INFO] [stdout] | [INFO] [stdout] 39 | fn with_state<'a, P: 'a, O: 'a>(s: &'a impl Fn(&mut ParserState), mut parser: P) -> impl FnMut(Input<'a>) -> Output where P: FnMut(Inp... [INFO] [stdout] | -- lifetime `'a` declared here ^ this elided lifetime gets resolved as `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/bytecode/compiler/util.rs:27:36 [INFO] [stdout] | [INFO] [stdout] 26 | impl<'p> CoverageRangeType<'p> { [INFO] [stdout] | -- lifetime `'p` declared here [INFO] [stdout] 27 | fn kind(self: &'p Self) -> &'p CoverageRangeKind { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ this elided lifetime gets resolved as `'p` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashSet as UnorderedSet` [INFO] [stdout] --> src/prelude.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 4 | pub use std::collections::HashSet as UnorderedSet; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this value of type `Result>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/frontend/parser/nomutil.rs:214:15 [INFO] [stdout] | [INFO] [stdout] 213 | let (input, o1) = parser.parse(input)?; [INFO] [stdout] | ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 214 | match f(o1) { [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 `Result>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/frontend/parser/nomutil.rs:214:15 [INFO] [stdout] | [INFO] [stdout] 213 | let (input, o1) = parser.parse(input)?; [INFO] [stdout] | ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 214 | match f(o1) { [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 `origin` is never read [INFO] [stdout] --> src/bytecode/compiler/stack_frame.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 13 | pub struct Local { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] ... [INFO] [stdout] 17 | pub origin: LocalOrigin, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Local` 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: field `origin` is never read [INFO] [stdout] --> src/bytecode/compiler/stack_frame.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 13 | pub struct Local { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] ... [INFO] [stdout] 17 | pub origin: LocalOrigin, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Local` 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] error: aborting due to 1 previous error; 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `itsy` (lib) due to 2 previous errors; 9 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `itsy` (lib test) due to 2 previous errors; 9 warnings emitted [INFO] running `Command { std: "docker" "inspect" "536f729ac2b4bf67c9d48592b9389d303c1721abcba08ae696be0fa70a3e4a4b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "536f729ac2b4bf67c9d48592b9389d303c1721abcba08ae696be0fa70a3e4a4b", kill_on_drop: false }` [INFO] [stdout] 536f729ac2b4bf67c9d48592b9389d303c1721abcba08ae696be0fa70a3e4a4b