[INFO] fetching crate mezzenger-utils 0.1.2... [INFO] checking mezzenger-utils-0.1.2 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate mezzenger-utils 0.1.2 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate mezzenger-utils 0.1.2 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] removed /workspace/builds/worker-0-tc2/source/.cargo/config.toml [INFO] started tweaking crates.io crate mezzenger-utils 0.1.2 [INFO] finished tweaking crates.io crate mezzenger-utils 0.1.2 [INFO] tweaked toml for crates.io crate mezzenger-utils 0.1.2 written to /workspace/builds/worker-0-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] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 88 packages to latest compatible versions [INFO] [stderr] Adding addr2line v0.22.0 (latest: v0.24.1) [INFO] [stderr] Adding gimli v0.29.0 (latest: v0.31.0) [INFO] [stderr] Adding hermit-abi v0.3.9 (latest: v0.4.0) [INFO] [stderr] Adding miniz_oxide v0.7.4 (latest: v0.8.0) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.2+wasi-0.2.1) [INFO] [stderr] Adding windows-sys v0.52.0 (latest: v0.59.0) [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] [stderr] Blocking waiting for file lock on package cache [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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4e94d72342fd760fdaf6d92f474a90660a530374b69c3f740ce4051001254f36 [INFO] running `Command { std: "docker" "start" "-a" "4e94d72342fd760fdaf6d92f474a90660a530374b69c3f740ce4051001254f36", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4e94d72342fd760fdaf6d92f474a90660a530374b69c3f740ce4051001254f36", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4e94d72342fd760fdaf6d92f474a90660a530374b69c3f740ce4051001254f36", kill_on_drop: false }` [INFO] [stdout] 4e94d72342fd760fdaf6d92f474a90660a530374b69c3f740ce4051001254f36 [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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 05229b282296c656ffbc0dfac01d98d9923d631c5ac02378afc9401b103896f7 [INFO] running `Command { std: "docker" "start" "-a" "05229b282296c656ffbc0dfac01d98d9923d631c5ac02378afc9401b103896f7", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking signal-hook-registry v1.4.2 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking num-complex v0.4.6 [INFO] [stderr] Checking num-bigint v0.4.6 [INFO] [stderr] Checking num-iter v0.1.45 [INFO] [stderr] Checking num-rational v0.4.2 [INFO] [stderr] Checking num v0.4.3 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Compiling pin-project-internal v1.1.5 [INFO] [stderr] Compiling serde_derive v1.0.209 [INFO] [stderr] Compiling tokio-macros v2.4.0 [INFO] [stderr] Checking tokio v1.40.0 [INFO] [stderr] Checking pin-project v1.1.5 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking serde v1.0.209 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Checking mezzenger v0.1.4 [INFO] [stderr] Checking mezzenger-channel v0.1.1 [INFO] [stderr] Checking mezzenger-utils v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unexpected `cfg` condition value: `splitter` [INFO] [stdout] --> src/lib.rs:6:7 [INFO] [stdout] | [INFO] [stdout] 6 | #[cfg(feature = "splitter")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `default`, `inspector`, `last_only`, `merge`, `num`, `numbered`, `ordered`, `reliable`, and `split` [INFO] [stdout] = help: consider adding `splitter` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `merger` [INFO] [stdout] --> src/lib.rs:9:7 [INFO] [stdout] | [INFO] [stdout] 9 | #[cfg(feature = "merger")] [INFO] [stdout] | ^^^^^^^^^^-------- [INFO] [stdout] | | [INFO] [stdout] | help: there is a expected value with a similar name: `"merge"` [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `default`, `inspector`, `last_only`, `merge`, `num`, `numbered`, `ordered`, `reliable`, and `split` [INFO] [stdout] = help: consider adding `merger` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `splitter` [INFO] [stdout] --> src/lib.rs:6:7 [INFO] [stdout] | [INFO] [stdout] 6 | #[cfg(feature = "splitter")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `default`, `inspector`, `last_only`, `merge`, `num`, `numbered`, `ordered`, `reliable`, and `split` [INFO] [stdout] = help: consider adding `splitter` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `merger` [INFO] [stdout] --> src/lib.rs:9:7 [INFO] [stdout] | [INFO] [stdout] 9 | #[cfg(feature = "merger")] [INFO] [stdout] | ^^^^^^^^^^-------- [INFO] [stdout] | | [INFO] [stdout] | help: there is a expected value with a similar name: `"merge"` [INFO] [stdout] | [INFO] [stdout] = note: expected values for `feature` are: `default`, `inspector`, `last_only`, `merge`, `num`, `numbered`, `ordered`, `reliable`, and `split` [INFO] [stdout] = help: consider adding `merger` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [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/numbered.rs:99:29 [INFO] [stdout] | [INFO] [stdout] 96 | pub fn new(transport: T) -> Self { [INFO] [stdout] | ------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 99 | current_number: N::zero(), [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/latest_only.rs:59:26 [INFO] [stdout] | [INFO] [stdout] 56 | pub fn new(transport: T) -> Self { [INFO] [stdout] | ------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 59 | last_number: None, [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] --> src/latest_only.rs:222:21 [INFO] [stdout] | [INFO] [stdout] 221 | let result = ready!(me.inner.poll_next(cx)); [INFO] [stdout] | ------ ------------------------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 222 | Poll::Ready(result.map(|result| result.map(|result| result.unwrap()))) [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; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `mezzenger-utils` (lib) due to 4 previous errors; 2 warnings emitted [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/numbered.rs:99:29 [INFO] [stdout] | [INFO] [stdout] 96 | pub fn new(transport: T) -> Self { [INFO] [stdout] | ------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 99 | current_number: N::zero(), [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/latest_only.rs:59:26 [INFO] [stdout] | [INFO] [stdout] 56 | pub fn new(transport: T) -> Self { [INFO] [stdout] | ------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 59 | last_number: None, [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] --> src/latest_only.rs:222:21 [INFO] [stdout] | [INFO] [stdout] 221 | let result = ready!(me.inner.poll_next(cx)); [INFO] [stdout] | ------ ------------------------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 222 | Poll::Ready(result.map(|result| result.map(|result| result.unwrap()))) [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; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `mezzenger-utils` (lib test) due to 4 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "05229b282296c656ffbc0dfac01d98d9923d631c5ac02378afc9401b103896f7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "05229b282296c656ffbc0dfac01d98d9923d631c5ac02378afc9401b103896f7", kill_on_drop: false }` [INFO] [stdout] 05229b282296c656ffbc0dfac01d98d9923d631c5ac02378afc9401b103896f7