[INFO] fetching crate combpop 0.0.3...
[INFO] checking combpop-0.0.3 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate combpop 0.0.3 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate combpop 0.0.3 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 combpop 0.0.3
[INFO] finished tweaking crates.io crate combpop 0.0.3
[INFO] tweaked toml for crates.io crate combpop 0.0.3 written to /workspace/builds/worker-7-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] 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] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[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] 46c697137e09e6cbc7691d439b06903aa36d219ac84e47f4e1b5cb32af06814b
[INFO] running `Command { std: "docker" "start" "-a" "46c697137e09e6cbc7691d439b06903aa36d219ac84e47f4e1b5cb32af06814b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46c697137e09e6cbc7691d439b06903aa36d219ac84e47f4e1b5cb32af06814b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46c697137e09e6cbc7691d439b06903aa36d219ac84e47f4e1b5cb32af06814b", kill_on_drop: false }`
[INFO] [stdout] 46c697137e09e6cbc7691d439b06903aa36d219ac84e47f4e1b5cb32af06814b
[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] b71daf06af9b2554cc868a4a0e41628a503934f84324fa12e53eb76703d4a809
[INFO] running `Command { std: "docker" "start" "-a" "b71daf06af9b2554cc868a4a0e41628a503934f84324fa12e53eb76703d4a809", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Checking combpop v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] error: this value of type `Option<(<P as ParserBase>::Output, Consume)>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/combinators.rs:164:31
[INFO] [stdout]     |
[INFO] [stdout] 162 |     fn parse_lookahead_once(self, stream: &mut S) -> ParseResult<Option<(Self::Output, Consume)>> {
[INFO] [stdout]     |                             ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] 163 |         let Map(p, f) = self;
[INFO] [stdout]     |                    - these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] 164 |         if let Some((x, c)) = p.parse_lookahead_once(stream)? {
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/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<(<P1 as ParserBase>::Output, Consume)>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/combinators.rs:272:31
[INFO] [stdout]     |
[INFO] [stdout] 264 |     fn parse_lookahead_once(self, stream: &mut S) -> ParseResult<Option<(Self::Output, Consume)>> {
[INFO] [stdout]     |                             ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 272 |         if let Some((y, c)) = p1.parse_lookahead_once(stream)? {
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this value of type `Option<(<P1 as ParserBase>::Output, Consume)>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/combinators.rs:423:31
[INFO] [stdout]     |
[INFO] [stdout] 416 |     fn parse_lookahead_once(self, stream: &mut S) -> ParseResult<Option<(Self::Output, Consume)>> {
[INFO] [stdout]     |                             ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] 417 |         let Concat2(p0, p1) = self;
[INFO] [stdout] 418 |         let (x, consumed) = if let Some((x, c)) = p0.parse_lookahead_once(stream)? {
[INFO] [stdout]     |              - these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 423 |         if let Some((y, c)) = p1.parse_lookahead_once(stream)? {
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this value of type `Option<(<P1 as ParserBase>::Output, Consume)>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/combinators.rs:456:31
[INFO] [stdout]     |
[INFO] [stdout] 451 |         let (x, consumed) = if let Some((x, c)) = p0.parse_lookahead_mut(stream)? {
[INFO] [stdout]     |              - these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 456 |         if let Some((y, c)) = p1.parse_lookahead_mut(stream)? {
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this value of type `Option<(<P as parser::ParserBase>::Output, Consume)>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/combinators.rs:164:31
[INFO] [stdout]     |
[INFO] [stdout] 162 |     fn parse_lookahead_once(self, stream: &mut S) -> ParseResult<Option<(Self::Output, Consume)>> {
[INFO] [stdout]     |                             ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] 163 |         let Map(p, f) = self;
[INFO] [stdout]     |                    - these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] 164 |         if let Some((x, c)) = p.parse_lookahead_once(stream)? {
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/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<(<P1 as ParserBase>::Output, Consume)>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/combinators.rs:479:31
[INFO] [stdout]     |
[INFO] [stdout] 474 |         let (x, consumed) = if let Some((x, c)) = p0.parse_lookahead(stream)? {
[INFO] [stdout]     |              - these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 479 |         if let Some((y, c)) = p1.parse_lookahead(stream)? {
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this value of type `Option<(<P0 as ParserBase>::Output, Consume)>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/combinators.rs:546:31
[INFO] [stdout]     |
[INFO] [stdout] 544 |     fn parse_lookahead_once(self, stream: &mut S) -> ParseResult<Option<(Self::Output, Consume)>> {
[INFO] [stdout]     |                             ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] 545 |         let Choice2(p0, p1) = self;
[INFO] [stdout]     |                         -- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] 546 |         if let Some((x, c)) = p0.parse_lookahead_once(stream)? {
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this value of type `Option<(<P1 as parser::ParserBase>::Output, Consume)>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/combinators.rs:272:31
[INFO] [stdout]     |
[INFO] [stdout] 264 |     fn parse_lookahead_once(self, stream: &mut S) -> ParseResult<Option<(Self::Output, Consume)>> {
[INFO] [stdout]     |                             ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 272 |         if let Some((y, c)) = p1.parse_lookahead_once(stream)? {
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this value of type `Option<(<P1 as parser::ParserBase>::Output, Consume)>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/combinators.rs:423:31
[INFO] [stdout]     |
[INFO] [stdout] 416 |     fn parse_lookahead_once(self, stream: &mut S) -> ParseResult<Option<(Self::Output, Consume)>> {
[INFO] [stdout]     |                             ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] 417 |         let Concat2(p0, p1) = self;
[INFO] [stdout] 418 |         let (x, consumed) = if let Some((x, c)) = p0.parse_lookahead_once(stream)? {
[INFO] [stdout]     |              - these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 423 |         if let Some((y, c)) = p1.parse_lookahead_once(stream)? {
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this value of type `Option<(<P1 as parser::ParserBase>::Output, Consume)>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/combinators.rs:456:31
[INFO] [stdout]     |
[INFO] [stdout] 451 |         let (x, consumed) = if let Some((x, c)) = p0.parse_lookahead_mut(stream)? {
[INFO] [stdout]     |              - these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 456 |         if let Some((y, c)) = p1.parse_lookahead_mut(stream)? {
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this value of type `Option<(<P1 as parser::ParserBase>::Output, Consume)>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/combinators.rs:479:31
[INFO] [stdout]     |
[INFO] [stdout] 474 |         let (x, consumed) = if let Some((x, c)) = p0.parse_lookahead(stream)? {
[INFO] [stdout]     |              - these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 479 |         if let Some((y, c)) = p1.parse_lookahead(stream)? {
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this value of type `Option<(<P0 as parser::ParserBase>::Output, Consume)>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/combinators.rs:546:31
[INFO] [stdout]     |
[INFO] [stdout] 544 |     fn parse_lookahead_once(self, stream: &mut S) -> ParseResult<Option<(Self::Output, Consume)>> {
[INFO] [stdout]     |                             ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] 545 |         let Choice2(p0, p1) = self;
[INFO] [stdout]     |                         -- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] 546 |         if let Some((x, c)) = p0.parse_lookahead_once(stream)? {
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `combpop` (lib) due to 7 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `combpop` (lib test) due to 7 previous errors
[INFO] running `Command { std: "docker" "inspect" "b71daf06af9b2554cc868a4a0e41628a503934f84324fa12e53eb76703d4a809", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b71daf06af9b2554cc868a4a0e41628a503934f84324fa12e53eb76703d4a809", kill_on_drop: false }`
[INFO] [stdout] b71daf06af9b2554cc868a4a0e41628a503934f84324fa12e53eb76703d4a809