[INFO] fetching crate crab_nat 0.6.4... [INFO] checking crab_nat-0.6.4 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate crab_nat 0.6.4 into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate crab_nat 0.6.4 on toolchain 4d98531622e1718ae0bc3c7a1ab9cd8938428452 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate crab_nat 0.6.4 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate crab_nat 0.6.4 [INFO] tweaked toml for crates.io crate crab_nat 0.6.4 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate crates.io crate crab_nat 0.6.4 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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 50e21d692e42d05a3d38c8bd829a5be4311f76fa1ac3362e499c06847883f293 [INFO] running `Command { std: "docker" "start" "-a" "50e21d692e42d05a3d38c8bd829a5be4311f76fa1ac3362e499c06847883f293", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "50e21d692e42d05a3d38c8bd829a5be4311f76fa1ac3362e499c06847883f293", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "50e21d692e42d05a3d38c8bd829a5be4311f76fa1ac3362e499c06847883f293", kill_on_drop: false }` [INFO] [stdout] 50e21d692e42d05a3d38c8bd829a5be4311f76fa1ac3362e499c06847883f293 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3e5d6cc497df66ada39239d3e38cb6cfbf9721f5ce60c6c22858d265e9776a47 [INFO] running `Command { std: "docker" "start" "-a" "3e5d6cc497df66ada39239d3e38cb6cfbf9721f5ce60c6c22858d265e9776a47", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.82 [INFO] [stderr] Compiling hashbrown v0.14.5 [INFO] [stderr] Compiling winnow v0.5.40 [INFO] [stderr] Compiling toml_datetime v0.6.6 [INFO] [stderr] Checking utf8parse v0.2.1 [INFO] [stderr] Compiling thiserror v1.0.61 [INFO] [stderr] Checking anstyle-query v1.0.3 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Checking overload v0.1.1 [INFO] [stderr] Checking tracing-core v0.1.32 [INFO] [stderr] Checking clap_lex v0.7.0 [INFO] [stderr] Checking log v0.4.21 [INFO] [stderr] Checking bytes v1.6.0 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Checking sharded-slab v0.1.7 [INFO] [stderr] Checking thread_local v1.1.8 [INFO] [stderr] Checking nu-ansi-term v0.46.0 [INFO] [stderr] Checking netdev v0.26.0 [INFO] [stderr] Checking anstyle-parse v0.2.4 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking anstream v0.6.14 [INFO] [stderr] Checking tracing-log v0.2.0 [INFO] [stderr] Checking clap_builder v4.5.2 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Compiling indexmap v2.2.6 [INFO] [stderr] Checking tracing-subscriber v0.3.18 [INFO] [stderr] Compiling quote v1.0.36 [INFO] [stderr] Compiling syn v2.0.64 [INFO] [stderr] Compiling toml_edit v0.21.1 [INFO] [stderr] Compiling proc-macro-crate v3.1.0 [INFO] [stderr] Compiling tokio-macros v2.2.0 [INFO] [stderr] Compiling thiserror-impl v1.0.61 [INFO] [stderr] Compiling displaydoc v0.2.4 [INFO] [stderr] Compiling clap_derive v4.5.4 [INFO] [stderr] Compiling num_enum_derive v0.7.2 [INFO] [stderr] Checking tokio v1.37.0 [INFO] [stderr] Checking num_enum v0.7.2 [INFO] [stderr] Checking clap v4.5.4 [INFO] [stderr] Checking crab_nat v0.6.4 (/opt/rustwide/workdir) [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] --> src/lib.rs:251:27 [INFO] [stdout] | [INFO] [stdout] 251 | .map_err(|e| (MappingFailure::from(e), self)), [INFO] [stdout] | - ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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] --> src/lib.rs:263:27 [INFO] [stdout] | [INFO] [stdout] 263 | .map_err(|e| (MappingFailure::from(e), self)), [INFO] [stdout] | - ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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 2 previous errors [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] --> src/lib.rs:251:27 [INFO] [stdout] | [INFO] [stdout] 251 | .map_err(|e| (MappingFailure::from(e), self)), [INFO] [stdout] | - ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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] --> src/lib.rs:263:27 [INFO] [stdout] | [INFO] [stdout] 263 | .map_err(|e| (MappingFailure::from(e), self)), [INFO] [stdout] | - ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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] [stderr] error: could not compile `crab_nat` (lib test) due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `crab_nat` (lib) due to 3 previous errors [INFO] running `Command { std: "docker" "inspect" "3e5d6cc497df66ada39239d3e38cb6cfbf9721f5ce60c6c22858d265e9776a47", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3e5d6cc497df66ada39239d3e38cb6cfbf9721f5ce60c6c22858d265e9776a47", kill_on_drop: false }` [INFO] [stdout] 3e5d6cc497df66ada39239d3e38cb6cfbf9721f5ce60c6c22858d265e9776a47