[INFO] fetching crate cbor-cli 0.5.0... [INFO] checking cbor-cli-0.5.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate cbor-cli 0.5.0 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate cbor-cli 0.5.0 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate cbor-cli 0.5.0 [INFO] finished tweaking crates.io crate cbor-cli 0.5.0 [INFO] tweaked toml for crates.io crate cbor-cli 0.5.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate crates.io crate cbor-cli 0.5.0 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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c67f2422ed8c11b32b011ec210273adebe6e3bc08727100f2d8755d7e29bf5a1 [INFO] running `Command { std: "docker" "start" "-a" "c67f2422ed8c11b32b011ec210273adebe6e3bc08727100f2d8755d7e29bf5a1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c67f2422ed8c11b32b011ec210273adebe6e3bc08727100f2d8755d7e29bf5a1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c67f2422ed8c11b32b011ec210273adebe6e3bc08727100f2d8755d7e29bf5a1", kill_on_drop: false }` [INFO] [stdout] c67f2422ed8c11b32b011ec210273adebe6e3bc08727100f2d8755d7e29bf5a1 [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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1fa6db4c039d2827de255ece8e18cadaba199abd0d1b7f755d26e55a2d54cbfd [INFO] running `Command { std: "docker" "start" "-a" "1fa6db4c039d2827de255ece8e18cadaba199abd0d1b7f755d26e55a2d54cbfd", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.75 [INFO] [stderr] Compiling serde v1.0.194 [INFO] [stderr] Checking hashbrown v0.14.3 [INFO] [stderr] Checking utf8parse v0.2.1 [INFO] [stderr] Checking anstyle-query v1.0.2 [INFO] [stderr] Checking colorchoice v1.0.0 [INFO] [stderr] Checking anstyle v1.0.4 [INFO] [stderr] Checking ryu v1.0.16 [INFO] [stderr] Checking winnow v0.5.32 [INFO] [stderr] Checking anstyle-parse v0.2.3 [INFO] [stderr] Compiling heck v0.4.1 [INFO] [stderr] Compiling serde_json v1.0.111 [INFO] [stderr] Checking clap_lex v0.6.0 [INFO] [stderr] Checking itoa v1.0.10 [INFO] [stderr] Checking anstream v0.6.5 [INFO] [stderr] Checking half v1.8.2 [INFO] [stderr] Checking unsafe-libyaml v0.2.10 [INFO] [stderr] Checking diff v0.1.13 [INFO] [stderr] Checking yansi v0.5.1 [INFO] [stderr] Checking pin-project-lite v0.2.13 [INFO] [stderr] Checking clap_builder v4.4.12 [INFO] [stderr] Checking hex-literal v0.4.1 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Checking pretty_assertions v1.4.0 [INFO] [stderr] Compiling syn v2.0.48 [INFO] [stderr] Checking indexmap v2.1.0 [INFO] [stderr] Checking serde_spanned v0.6.5 [INFO] [stderr] Checking toml_datetime v0.6.5 [INFO] [stderr] Checking serde_yaml v0.9.30 [INFO] [stderr] Checking serde_cbor v0.11.2 [INFO] [stderr] Checking toml_edit v0.21.0 [INFO] [stderr] Checking toml v0.8.8 [INFO] [stderr] Compiling clap_derive v4.4.7 [INFO] [stderr] Compiling tracing-attributes v0.1.27 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Checking common-testing v1.1.1 [INFO] [stderr] Checking clap v4.4.12 [INFO] [stderr] Checking cbor-cli v0.5.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `std::iter::Map, serde_cbor::Value>, {closure@src/inspect.rs:6:10: 6:13}>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/inspect.rs:4:3 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn inspect_from_reader(reader: R, mut writer: W) -> Result<(), std::io::Error> { [INFO] [stdout] | ---------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 4 | / serde_cbor::de::Deserializer::from_reader(reader) [INFO] [stdout] 5 | | .into_iter::() [INFO] [stdout] 6 | | .map(|v| match v { [INFO] [stdout] 7 | | Ok(v) => v, [INFO] [stdout] ... | [INFO] [stdout] 11 | | } [INFO] [stdout] 12 | | }) [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 `std::iter::Map, serde_cbor::Value>, {closure@src/inspect.rs:6:10: 6:13}>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/inspect.rs:4:3 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn inspect_from_reader(reader: R, mut writer: W) -> Result<(), std::io::Error> { [INFO] [stdout] | ---------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 4 | / serde_cbor::de::Deserializer::from_reader(reader) [INFO] [stdout] 5 | | .into_iter::() [INFO] [stdout] 6 | | .map(|v| match v { [INFO] [stdout] 7 | | Ok(v) => v, [INFO] [stdout] ... | [INFO] [stdout] 11 | | } [INFO] [stdout] 12 | | }) [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] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `cbor-cli` (lib test) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `cbor-cli` (lib) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "1fa6db4c039d2827de255ece8e18cadaba199abd0d1b7f755d26e55a2d54cbfd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1fa6db4c039d2827de255ece8e18cadaba199abd0d1b7f755d26e55a2d54cbfd", kill_on_drop: false }` [INFO] [stdout] 1fa6db4c039d2827de255ece8e18cadaba199abd0d1b7f755d26e55a2d54cbfd