[INFO] cloning repository https://github.com/wuxianucw/compiler-exp [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wuxianucw/compiler-exp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwuxianucw%2Fcompiler-exp", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwuxianucw%2Fcompiler-exp'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 17ff6797dc87595ef7e7670c1923ede2b6d1bef1 [INFO] checking wuxianucw/compiler-exp against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwuxianucw%2Fcompiler-exp" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/wuxianucw/compiler-exp on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/wuxianucw/compiler-exp [INFO] finished tweaking git repo https://github.com/wuxianucw/compiler-exp [INFO] tweaked toml for git repo https://github.com/wuxianucw/compiler-exp written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/wuxianucw/compiler-exp 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 26f9b6ead63e3e5cc13007ac4a4c51bb4296d8088bc2ae685bc7767b71afaa2e [INFO] running `Command { std: "docker" "start" "-a" "26f9b6ead63e3e5cc13007ac4a4c51bb4296d8088bc2ae685bc7767b71afaa2e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "26f9b6ead63e3e5cc13007ac4a4c51bb4296d8088bc2ae685bc7767b71afaa2e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "26f9b6ead63e3e5cc13007ac4a4c51bb4296d8088bc2ae685bc7767b71afaa2e", kill_on_drop: false }` [INFO] [stdout] 26f9b6ead63e3e5cc13007ac4a4c51bb4296d8088bc2ae685bc7767b71afaa2e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9d542e3f644833497a9255e0f8b85bae1a0d6b2c7fd5641cd145c5cecd280c6d [INFO] running `Command { std: "docker" "start" "-a" "9d542e3f644833497a9255e0f8b85bae1a0d6b2c7fd5641cd145c5cecd280c6d", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.155 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling proc-macro2 v1.0.84 [INFO] [stderr] Compiling autocfg v1.3.0 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling memchr v2.7.4 [INFO] [stderr] Compiling parking_lot_core v0.9.10 [INFO] [stderr] Compiling regex-syntax v0.8.4 [INFO] [stderr] Compiling crunchy v0.2.2 [INFO] [stderr] Compiling smallvec v1.13.2 [INFO] [stderr] Compiling scopeguard v1.2.0 [INFO] [stderr] Compiling thiserror v1.0.61 [INFO] [stderr] Compiling equivalent v1.0.1 [INFO] [stderr] Compiling tiny-keccak v2.0.2 [INFO] [stderr] Compiling siphasher v0.3.11 [INFO] [stderr] Compiling lock_api v0.4.12 [INFO] [stderr] Compiling anyhow v1.0.86 [INFO] [stderr] Compiling hashbrown v0.14.5 [INFO] [stderr] Compiling aho-corasick v1.1.3 [INFO] [stderr] Compiling phf_shared v0.10.0 [INFO] [stderr] Compiling quote v1.0.36 [INFO] [stderr] Compiling either v1.12.0 [INFO] [stderr] Compiling once_cell v1.19.0 [INFO] [stderr] Compiling dirs-sys-next v0.1.2 [INFO] [stderr] Compiling syn v2.0.66 [INFO] [stderr] Compiling log v0.4.21 [INFO] [stderr] Compiling bit-vec v0.6.3 [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 indexmap v2.2.6 [INFO] [stderr] Compiling new_debug_unreachable v1.0.6 [INFO] [stderr] Compiling precomputed-hash v0.1.1 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling fixedbitset v0.4.2 [INFO] [stderr] Compiling string_cache v0.8.7 [INFO] [stderr] Compiling walkdir v2.5.0 [INFO] [stderr] Compiling ascii-canvas v3.0.0 [INFO] [stderr] Compiling bit-set v0.5.3 [INFO] [stderr] Compiling ena v0.14.3 [INFO] [stderr] Compiling itertools v0.11.0 [INFO] [stderr] Compiling petgraph v0.6.5 [INFO] [stderr] Compiling unicode-xid v0.2.4 [INFO] [stderr] Compiling pico-args v0.5.0 [INFO] [stderr] Compiling regex-automata v0.4.7 [INFO] [stderr] Checking itertools v0.13.0 [INFO] [stderr] Compiling thiserror-impl v1.0.61 [INFO] [stderr] Compiling lalrpop-util v0.20.2 [INFO] [stderr] Compiling regex v1.10.5 [INFO] [stderr] Checking lexer v0.1.0 (/opt/rustwide/workdir/lexer) [INFO] [stderr] Checking syntax_util v0.1.0 (/opt/rustwide/workdir/syntax_util) [INFO] [stderr] Compiling lalrpop v0.20.2 [INFO] [stderr] Compiling parser v0.1.0 (/opt/rustwide/workdir/parser) [INFO] [stderr] Compiling compiler v0.1.0 (/opt/rustwide/workdir/compiler) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.39s [INFO] running `Command { std: "docker" "inspect" "9d542e3f644833497a9255e0f8b85bae1a0d6b2c7fd5641cd145c5cecd280c6d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9d542e3f644833497a9255e0f8b85bae1a0d6b2c7fd5641cd145c5cecd280c6d", kill_on_drop: false }` [INFO] [stdout] 9d542e3f644833497a9255e0f8b85bae1a0d6b2c7fd5641cd145c5cecd280c6d [INFO] checking wuxianucw/compiler-exp against try#f9935d29d867449445ee008640ccca1bf1ae0889+rustflags=-Dtail_expr_drop_order for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwuxianucw%2Fcompiler-exp" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/wuxianucw/compiler-exp on toolchain f9935d29d867449445ee008640ccca1bf1ae0889 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/wuxianucw/compiler-exp [INFO] finished tweaking git repo https://github.com/wuxianucw/compiler-exp [INFO] tweaked toml for git repo https://github.com/wuxianucw/compiler-exp written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/wuxianucw/compiler-exp 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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 865b7dc24c39a12bd7d8b70d50206a71f8a8290dbdd266260b6d5fca1e942271 [INFO] running `Command { std: "docker" "start" "-a" "865b7dc24c39a12bd7d8b70d50206a71f8a8290dbdd266260b6d5fca1e942271", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "865b7dc24c39a12bd7d8b70d50206a71f8a8290dbdd266260b6d5fca1e942271", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "865b7dc24c39a12bd7d8b70d50206a71f8a8290dbdd266260b6d5fca1e942271", kill_on_drop: false }` [INFO] [stdout] 865b7dc24c39a12bd7d8b70d50206a71f8a8290dbdd266260b6d5fca1e942271 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6b8b08529ea5fa20a1a35eac116b9182f628dcb2d6d29684b43d24cef14c3b8b [INFO] running `Command { std: "docker" "start" "-a" "6b8b08529ea5fa20a1a35eac116b9182f628dcb2d6d29684b43d24cef14c3b8b", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.155 [INFO] [stderr] Compiling proc-macro2 v1.0.84 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling autocfg v1.3.0 [INFO] [stderr] Compiling parking_lot_core v0.9.10 [INFO] [stderr] Compiling memchr v2.7.4 [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 smallvec v1.13.2 [INFO] [stderr] Compiling equivalent v1.0.1 [INFO] [stderr] Compiling hashbrown v0.14.5 [INFO] [stderr] Compiling thiserror v1.0.61 [INFO] [stderr] Compiling anyhow v1.0.86 [INFO] [stderr] Compiling lock_api v0.4.12 [INFO] [stderr] Compiling tiny-keccak v2.0.2 [INFO] [stderr] Compiling siphasher v0.3.11 [INFO] [stderr] Compiling aho-corasick v1.1.3 [INFO] [stderr] Compiling quote v1.0.36 [INFO] [stderr] Compiling phf_shared v0.10.0 [INFO] [stderr] Compiling syn v2.0.66 [INFO] [stderr] Compiling indexmap v2.2.6 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling fixedbitset v0.4.2 [INFO] [stderr] Compiling dirs-sys-next v0.1.2 [INFO] [stderr] Compiling once_cell v1.19.0 [INFO] [stderr] Compiling dirs-next v2.0.0 [INFO] [stderr] Compiling term v0.7.0 [INFO] [stderr] Compiling either v1.12.0 [INFO] [stderr] Compiling parking_lot v0.12.3 [INFO] [stderr] Compiling precomputed-hash v0.1.1 [INFO] [stderr] Compiling log v0.4.21 [INFO] [stderr] Compiling new_debug_unreachable v1.0.6 [INFO] [stderr] Compiling bit-vec v0.6.3 [INFO] [stderr] Compiling ascii-canvas v3.0.0 [INFO] [stderr] Compiling petgraph v0.6.5 [INFO] [stderr] Compiling bit-set v0.5.3 [INFO] [stderr] Compiling ena v0.14.3 [INFO] [stderr] Compiling string_cache v0.8.7 [INFO] [stderr] Compiling itertools v0.11.0 [INFO] [stderr] Compiling walkdir v2.5.0 [INFO] [stderr] Compiling regex-automata v0.4.7 [INFO] [stderr] Compiling pico-args v0.5.0 [INFO] [stderr] Compiling unicode-xid v0.2.4 [INFO] [stderr] Checking itertools v0.13.0 [INFO] [stderr] Compiling thiserror-impl v1.0.61 [INFO] [stderr] Compiling regex v1.10.5 [INFO] [stderr] Compiling lalrpop-util v0.20.2 [INFO] [stderr] Compiling lalrpop v0.20.2 [INFO] [stderr] Checking lexer v0.1.0 (/opt/rustwide/workdir/lexer) [INFO] [stderr] Checking syntax_util v0.1.0 (/opt/rustwide/workdir/syntax_util) [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> lexer/src/lib.rs:46:12 [INFO] [stdout] | [INFO] [stdout] 43 | pub fn new(reader: R) -> Result { [INFO] [stdout] | --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 44 | let mut bytes = reader.bytes(); [INFO] [stdout] | ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 45 | let current = bytes.next().transpose().map_err(Error::IOError)?; [INFO] [stdout] 46 | Ok(Self { [INFO] [stdout] | ____________^ [INFO] [stdout] 47 | | bytes, [INFO] [stdout] 48 | | current, [INFO] [stdout] 49 | | position: Position::new(1, 0), [INFO] [stdout] 50 | | }) [INFO] [stdout] | | ^ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | |_________| [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: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `lexer` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> lexer/src/lib.rs:46:12 [INFO] [stdout] | [INFO] [stdout] 43 | pub fn new(reader: R) -> Result { [INFO] [stdout] | --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 44 | let mut bytes = reader.bytes(); [INFO] [stdout] | ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 45 | let current = bytes.next().transpose().map_err(Error::IOError)?; [INFO] [stdout] 46 | Ok(Self { [INFO] [stdout] | ____________^ [INFO] [stdout] 47 | | bytes, [INFO] [stdout] 48 | | current, [INFO] [stdout] 49 | | position: Position::new(1, 0), [INFO] [stdout] 50 | | }) [INFO] [stdout] | | ^ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | |_________| [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> lexer/src/lib.rs:177:15 [INFO] [stdout] | [INFO] [stdout] 175 | let result = lexer.next().unwrap(); [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 176 | [INFO] [stdout] 177 | match result.unwrap_err() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> lexer/src/lib.rs:195:15 [INFO] [stdout] | [INFO] [stdout] 193 | let result = lexer.nth(2).unwrap(); [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 194 | [INFO] [stdout] 195 | match result.unwrap_err() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `lexer` (lib test) due to 4 previous errors [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> syntax_util/src/main.rs:128:21 [INFO] [stdout] | [INFO] [stdout] 128 | move || Box::new(once(default)) as Box>, [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: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `syntax_util` (bin "syntax_util" test) due to 2 previous errors [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> syntax_util/src/main.rs:128:21 [INFO] [stdout] | [INFO] [stdout] 128 | move || Box::new(once(default)) as Box>, [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: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `syntax_util` (bin "syntax_util") due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "6b8b08529ea5fa20a1a35eac116b9182f628dcb2d6d29684b43d24cef14c3b8b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6b8b08529ea5fa20a1a35eac116b9182f628dcb2d6d29684b43d24cef14c3b8b", kill_on_drop: false }` [INFO] [stdout] 6b8b08529ea5fa20a1a35eac116b9182f628dcb2d6d29684b43d24cef14c3b8b