[INFO] fetching crate cborg 0.3.0... [INFO] checking cborg-0.3.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate cborg 0.3.0 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate cborg 0.3.0 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 cborg 0.3.0 [INFO] finished tweaking crates.io crate cborg 0.3.0 [INFO] tweaked toml for crates.io crate cborg 0.3.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 1370f061c43ebd33ed62191e74e04e7d9af0c80eb2d8705607b2cf418f67cf54 [INFO] running `Command { std: "docker" "start" "-a" "1370f061c43ebd33ed62191e74e04e7d9af0c80eb2d8705607b2cf418f67cf54", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1370f061c43ebd33ed62191e74e04e7d9af0c80eb2d8705607b2cf418f67cf54", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1370f061c43ebd33ed62191e74e04e7d9af0c80eb2d8705607b2cf418f67cf54", kill_on_drop: false }` [INFO] [stdout] 1370f061c43ebd33ed62191e74e04e7d9af0c80eb2d8705607b2cf418f67cf54 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 1ec7c7428eb15bc831dac742d68d5e7afdcf473653be0f9b596354b6f9bec2b3 [INFO] running `Command { std: "docker" "start" "-a" "1ec7c7428eb15bc831dac742d68d5e7afdcf473653be0f9b596354b6f9bec2b3", kill_on_drop: false }` [INFO] [stderr] Checking cborg v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `error` is never read [INFO] [stdout] --> src/lib.rs:42:2 [INFO] [stdout] | [INFO] [stdout] 40 | pub struct CborError { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 41 | kind: ErrorKind, [INFO] [stdout] 42 | error: Box, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `CborError` has a derived impl for the trait `Debug`, 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: 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:49:7 [INFO] [stdout] | [INFO] [stdout] 48 | fn new_err(kind: ErrorKind, error: Box) -> Result { [INFO] [stdout] | ------------------------------------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 49 | Err(CborError::new(kind, error)) [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] --> src/lib.rs:338:5 [INFO] [stdout] | [INFO] [stdout] 332 | pub fn decode_to<'a, T, I>(stream: I) -> Result> [INFO] [stdout] | --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 336 | let mut iter = stream.into_iter(); [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 337 | let v: Value = decode_iter(&mut iter)?; [INFO] [stdout] 338 | Ok(T::from_value(v)) [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; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `cborg` (lib test) due to 3 previous errors; 1 warning emitted [INFO] [stdout] warning: field `error` is never read [INFO] [stdout] --> src/lib.rs:42:2 [INFO] [stdout] | [INFO] [stdout] 40 | pub struct CborError { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 41 | kind: ErrorKind, [INFO] [stdout] 42 | error: Box, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `CborError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [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] --> src/lib.rs:49:7 [INFO] [stdout] | [INFO] [stdout] 48 | fn new_err(kind: ErrorKind, error: Box) -> Result { [INFO] [stdout] | ------------------------------------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 49 | Err(CborError::new(kind, error)) [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] --> src/lib.rs:338:5 [INFO] [stdout] | [INFO] [stdout] 332 | pub fn decode_to<'a, T, I>(stream: I) -> Result> [INFO] [stdout] | --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 336 | let mut iter = stream.into_iter(); [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 337 | let v: Value = decode_iter(&mut iter)?; [INFO] [stdout] 338 | Ok(T::from_value(v)) [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; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `cborg` (lib) due to 3 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "1ec7c7428eb15bc831dac742d68d5e7afdcf473653be0f9b596354b6f9bec2b3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1ec7c7428eb15bc831dac742d68d5e7afdcf473653be0f9b596354b6f9bec2b3", kill_on_drop: false }` [INFO] [stdout] 1ec7c7428eb15bc831dac742d68d5e7afdcf473653be0f9b596354b6f9bec2b3