[INFO] fetching crate wcore 0.5.1... [INFO] checking wcore-0.5.1 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate wcore 0.5.1 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate wcore 0.5.1 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 wcore 0.5.1 [INFO] finished tweaking crates.io crate wcore 0.5.1 [INFO] tweaked toml for crates.io crate wcore 0.5.1 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] Updating crates.io index [INFO] [stderr] Locking 88 packages to latest compatible versions [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.6.0) [INFO] [stderr] Adding clap v2.34.0 (latest: v4.5.16) [INFO] [stderr] Adding criterion v0.3.6 (latest: v0.5.1) [INFO] [stderr] Adding criterion-plot v0.4.5 (latest: v0.5.0) [INFO] [stderr] Adding half v1.8.3 (latest: v2.4.1) [INFO] [stderr] Adding hermit-abi v0.1.19 (latest: v0.4.0) [INFO] [stderr] Adding itertools v0.10.5 (latest: v0.13.0) [INFO] [stderr] Adding phf v0.10.1 (latest: v0.11.2) [INFO] [stderr] Adding phf_generator v0.10.0 (latest: v0.11.2) [INFO] [stderr] Adding phf_macros v0.10.0 (latest: v0.11.2) [INFO] [stderr] Adding phf_shared v0.10.0 (latest: v0.11.2) [INFO] [stderr] Adding siphasher v0.3.11 (latest: v1.0.1) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.77) [INFO] [stderr] Adding textwrap v0.11.0 (latest: v0.16.1) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.2+wasi-0.2.1) [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] 77262e8884aba65bb439f6e99dbc420b53134efd17c1ab97bdeacaedf7ed6b51 [INFO] running `Command { std: "docker" "start" "-a" "77262e8884aba65bb439f6e99dbc420b53134efd17c1ab97bdeacaedf7ed6b51", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "77262e8884aba65bb439f6e99dbc420b53134efd17c1ab97bdeacaedf7ed6b51", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "77262e8884aba65bb439f6e99dbc420b53134efd17c1ab97bdeacaedf7ed6b51", kill_on_drop: false }` [INFO] [stdout] 77262e8884aba65bb439f6e99dbc420b53134efd17c1ab97bdeacaedf7ed6b51 [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] cf18c09c42e0bac2cca4c5616157a7253af663dd71d18c40f0d787c4a2694b16 [INFO] running `Command { std: "docker" "start" "-a" "cf18c09c42e0bac2cca4c5616157a7253af663dd71d18c40f0d787c4a2694b16", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.158 [INFO] [stderr] Compiling byteorder v1.5.0 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.20 [INFO] [stderr] Compiling siphasher v0.3.11 [INFO] [stderr] Checking either v1.13.0 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling proc-macro-hack v0.5.20+deprecated [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking unicode-width v0.1.13 [INFO] [stderr] Checking plotters-backend v0.3.6 [INFO] [stderr] Compiling substring v1.4.5 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Checking csv-core v0.1.11 [INFO] [stderr] Checking half v1.8.3 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking cast v0.3.0 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking plotters-svg v0.3.6 [INFO] [stderr] Checking phf_shared v0.10.0 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking csv v1.3.0 [INFO] [stderr] Checking serde_cbor v0.11.2 [INFO] [stderr] Checking walkdir v2.5.0 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking oorandom v11.1.4 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Checking crossbeam-deque v0.8.5 [INFO] [stderr] Compiling getrandom v0.2.15 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking plotters v0.3.6 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Checking criterion-plot v0.4.5 [INFO] [stderr] Compiling zerocopy-derive v0.7.35 [INFO] [stderr] Compiling serde_derive v1.0.209 [INFO] [stderr] Compiling zerocopy v0.7.35 [INFO] [stderr] Compiling ppv-lite86 v0.2.20 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Checking criterion v0.3.6 [INFO] [stderr] Compiling phf_generator v0.10.0 [INFO] [stderr] Compiling phf_macros v0.10.0 [INFO] [stderr] Checking phf v0.10.1 [INFO] [stderr] Checking wcore v0.5.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: method `skin_content` is never used [INFO] [stdout] --> src/utils.rs:9:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub trait Utils { [INFO] [stdout] | ----- method in this trait [INFO] [stdout] ... [INFO] [stdout] 9 | fn skin_content(&mut self); [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/lexer.rs:45:18 [INFO] [stdout] | [INFO] [stdout] 45 | .map(|x| Regex::new(x).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] = 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/lexer.rs:52:34 [INFO] [stdout] | [INFO] [stdout] 52 | .map(|symbol| (symbol.0, symbol.1.captures(&text))) [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/lexer.rs:54:34 [INFO] [stdout] | [INFO] [stdout] 54 | .map(|result| (result.0, result.1.unwrap())) [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] warning: method `skin_content` is never used [INFO] [stdout] --> src/utils.rs:9:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub trait Utils { [INFO] [stdout] | ----- method in this trait [INFO] [stdout] ... [INFO] [stdout] 9 | fn skin_content(&mut self); [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/lexer.rs:45:18 [INFO] [stdout] | [INFO] [stdout] 45 | .map(|x| Regex::new(x).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] = 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/lexer.rs:52:34 [INFO] [stdout] | [INFO] [stdout] 52 | .map(|symbol| (symbol.0, symbol.1.captures(&text))) [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/lexer.rs:54:34 [INFO] [stdout] | [INFO] [stdout] 54 | .map(|result| (result.0, result.1.unwrap())) [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 3 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `wcore` (lib test) due to 4 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `wcore` (lib) due to 4 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "cf18c09c42e0bac2cca4c5616157a7253af663dd71d18c40f0d787c4a2694b16", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cf18c09c42e0bac2cca4c5616157a7253af663dd71d18c40f0d787c4a2694b16", kill_on_drop: false }` [INFO] [stdout] cf18c09c42e0bac2cca4c5616157a7253af663dd71d18c40f0d787c4a2694b16