[INFO] fetching crate single-header 0.2.1... [INFO] checking single-header-0.2.1 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate single-header 0.2.1 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate single-header 0.2.1 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 single-header 0.2.1 [INFO] finished tweaking crates.io crate single-header 0.2.1 [INFO] tweaked toml for crates.io crate single-header 0.2.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate crates.io crate single-header 0.2.1 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 048d9805c0ebfeac9803158440aa74a97d130ce3c0e2a7a7062d430c61250190 [INFO] running `Command { std: "docker" "start" "-a" "048d9805c0ebfeac9803158440aa74a97d130ce3c0e2a7a7062d430c61250190", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "048d9805c0ebfeac9803158440aa74a97d130ce3c0e2a7a7062d430c61250190", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "048d9805c0ebfeac9803158440aa74a97d130ce3c0e2a7a7062d430c61250190", kill_on_drop: false }` [INFO] [stdout] 048d9805c0ebfeac9803158440aa74a97d130ce3c0e2a7a7062d430c61250190 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 80427e76bec6c60e14c27ba761217a5e3e85b22292abf3262f7602dc38dc8fc0 [INFO] running `Command { std: "docker" "start" "-a" "80427e76bec6c60e14c27ba761217a5e3e85b22292abf3262f7602dc38dc8fc0", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.78 [INFO] [stderr] Checking utf8parse v0.2.1 [INFO] [stderr] Checking anstyle-query v1.0.2 [INFO] [stderr] Checking colorchoice v1.0.0 [INFO] [stderr] Compiling rustix v0.38.31 [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Checking anstyle v1.0.6 [INFO] [stderr] Checking memchr v2.7.1 [INFO] [stderr] Checking anstyle-parse v0.2.3 [INFO] [stderr] Checking regex-syntax v0.8.2 [INFO] [stderr] Compiling serde_json v1.0.114 [INFO] [stderr] Compiling anyhow v1.0.80 [INFO] [stderr] Compiling heck v0.4.1 [INFO] [stderr] Checking smallvec v1.13.1 [INFO] [stderr] Checking anstream v0.6.12 [INFO] [stderr] Checking linux-raw-sys v0.4.13 [INFO] [stderr] Checking bitflags v2.4.2 [INFO] [stderr] Checking clap_lex v0.7.0 [INFO] [stderr] Checking strsim v0.11.0 [INFO] [stderr] Checking nibble_vec v0.1.0 [INFO] [stderr] Checking aho-corasick v1.1.2 [INFO] [stderr] Checking ryu v1.0.17 [INFO] [stderr] Checking either v1.10.0 [INFO] [stderr] Checking clap_builder v4.5.1 [INFO] [stderr] Checking endian-type v0.1.2 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Checking itoa v1.0.10 [INFO] [stderr] Checking radix_trie v0.2.1 [INFO] [stderr] Compiling syn v2.0.50 [INFO] [stderr] Checking shlex v1.3.0 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking regex-automata v0.4.5 [INFO] [stderr] Checking which v6.0.0 [INFO] [stderr] Checking regex v1.10.3 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Compiling clap_derive v4.5.0 [INFO] [stderr] Checking clap v4.5.1 [INFO] [stderr] Checking single-header v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `filename` is never read [INFO] [stdout] --> src/include_line.rs:46:9 [INFO] [stdout] | [INFO] [stdout] 44 | pub struct IncludeDirective { [INFO] [stdout] | ---------------- field in this struct [INFO] [stdout] 45 | pub linenum: u32, [INFO] [stdout] 46 | pub filename: String, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `filename` is never read [INFO] [stdout] --> src/include_line.rs:46:9 [INFO] [stdout] | [INFO] [stdout] 44 | pub struct IncludeDirective { [INFO] [stdout] | ---------------- field in this struct [INFO] [stdout] 45 | pub linenum: u32, [INFO] [stdout] 46 | pub filename: String, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [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/system_paths.rs:50:12 [INFO] [stdout] | [INFO] [stdout] 19 | let mut command = Command::new(program); [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 30 | let mut search_paths: Trie<_, _> = Trie::new(); [INFO] [stdout] | ------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 50 | Ok(SearchPaths { search_paths }) [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/utils.rs:30:9 [INFO] [stdout] | [INFO] [stdout] 25 | fn try_res_fold(self) -> anyhow::Result> { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 30 | self.into_iter().try_fold(Vec::new(), try_fold) [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/utils.rs:30:35 [INFO] [stdout] | [INFO] [stdout] 25 | fn try_res_fold(self) -> anyhow::Result> { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 30 | self.into_iter().try_fold(Vec::new(), try_fold) [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/utils.rs:75:17 [INFO] [stdout] | [INFO] [stdout] 71 | fn lazy_for_each(self, action: Action) -> impl FnOnce() [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] ... [INFO] [stdout] 75 | move || self.into_iter().for_each(action) [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/system_paths.rs:50:12 [INFO] [stdout] | [INFO] [stdout] 19 | let mut command = Command::new(program); [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 30 | let mut search_paths: Trie<_, _> = Trie::new(); [INFO] [stdout] | ------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 50 | Ok(SearchPaths { search_paths }) [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/utils.rs:80:5 [INFO] [stdout] | [INFO] [stdout] 79 | pub fn merge(left: Vec, right: Vec) -> Vec { [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] 80 | left.into_iter().chain(right.into_iter()).collect() [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 5 previous errors; 1 warning emitted [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/utils.rs:30:9 [INFO] [stdout] | [INFO] [stdout] 25 | fn try_res_fold(self) -> anyhow::Result> { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 30 | self.into_iter().try_fold(Vec::new(), try_fold) [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/utils.rs:30:35 [INFO] [stdout] | [INFO] [stdout] 25 | fn try_res_fold(self) -> anyhow::Result> { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 30 | self.into_iter().try_fold(Vec::new(), try_fold) [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/utils.rs:75:17 [INFO] [stdout] | [INFO] [stdout] 71 | fn lazy_for_each(self, action: Action) -> impl FnOnce() [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] ... [INFO] [stdout] 75 | move || self.into_iter().for_each(action) [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/utils.rs:80:5 [INFO] [stdout] | [INFO] [stdout] 79 | pub fn merge(left: Vec, right: Vec) -> Vec { [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] 80 | left.into_iter().chain(right.into_iter()).collect() [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 5 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `single-header` (bin "single-header") due to 6 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `single-header` (bin "single-header" test) due to 6 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "80427e76bec6c60e14c27ba761217a5e3e85b22292abf3262f7602dc38dc8fc0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "80427e76bec6c60e14c27ba761217a5e3e85b22292abf3262f7602dc38dc8fc0", kill_on_drop: false }` [INFO] [stdout] 80427e76bec6c60e14c27ba761217a5e3e85b22292abf3262f7602dc38dc8fc0