[INFO] fetching crate duplicate-checker 2.0.2... [INFO] checking duplicate-checker-2.0.2 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate duplicate-checker 2.0.2 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate duplicate-checker 2.0.2 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] started tweaking crates.io crate duplicate-checker 2.0.2 [INFO] finished tweaking crates.io crate duplicate-checker 2.0.2 [INFO] tweaked toml for crates.io crate duplicate-checker 2.0.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate crates.io crate duplicate-checker 2.0.2 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] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] b3f6d0d324d0366ca3c2529375c591c5b19f5440c165fc8de2d3edbd6c65d104 [INFO] running `Command { std: "docker" "start" "-a" "b3f6d0d324d0366ca3c2529375c591c5b19f5440c165fc8de2d3edbd6c65d104", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b3f6d0d324d0366ca3c2529375c591c5b19f5440c165fc8de2d3edbd6c65d104", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b3f6d0d324d0366ca3c2529375c591c5b19f5440c165fc8de2d3edbd6c65d104", kill_on_drop: false }` [INFO] [stdout] b3f6d0d324d0366ca3c2529375c591c5b19f5440c165fc8de2d3edbd6c65d104 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] fa0b06af985ec894fb4d018d9f3abd9753135075f73b14d3ab168757e2a6d0d1 [INFO] running `Command { std: "docker" "start" "-a" "fa0b06af985ec894fb4d018d9f3abd9753135075f73b14d3ab168757e2a6d0d1", kill_on_drop: false }` [INFO] [stderr] Compiling unicode-ident v1.0.6 [INFO] [stderr] Compiling quote v1.0.29 [INFO] [stderr] Compiling syn v1.0.107 [INFO] [stderr] Compiling crossbeam-utils v0.8.14 [INFO] [stderr] Compiling rustversion v1.0.12 [INFO] [stderr] Compiling libc v0.2.155 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling memoffset v0.9.0 [INFO] [stderr] Compiling crossbeam-epoch v0.9.15 [INFO] [stderr] Compiling slab v0.4.7 [INFO] [stderr] Compiling cc v1.1.6 [INFO] [stderr] Checking anstream v0.6.15 [INFO] [stderr] Checking once_cell v1.17.1 [INFO] [stderr] Checking bytecount v0.6.8 [INFO] [stderr] Checking bytes v1.4.0 [INFO] [stderr] Checking maplit v1.0.2 [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Checking either v1.8.1 [INFO] [stderr] Checking colored v2.1.0 [INFO] [stderr] Checking papergrid v0.12.0 [INFO] [stderr] Checking clap_builder v4.5.11 [INFO] [stderr] Checking thread_local v1.1.7 [INFO] [stderr] Checking data-encoding v2.6.0 [INFO] [stderr] Checking fuzzy-matcher v0.3.7 [INFO] [stderr] Checking crossbeam-deque v0.8.3 [INFO] [stderr] Checking rayon-core v1.12.1 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Compiling syn v2.0.23 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Compiling ring v0.17.8 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Compiling clap_derive v4.5.11 [INFO] [stderr] Compiling tokio-macros v2.4.0 [INFO] [stderr] Checking tokio v1.39.2 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Compiling strum_macros v0.24.3 [INFO] [stderr] Compiling tabled_derive v0.8.0 [INFO] [stderr] Checking clap v4.5.11 [INFO] [stderr] Checking tabled v0.16.0 [INFO] [stderr] Checking strum v0.24.1 [INFO] [stderr] Checking spinners v4.1.1 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Checking duplicate-checker v2.0.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function `from` is never used [INFO] [stdout] --> src/duplicate_check.rs:35:12 [INFO] [stdout] | [INFO] [stdout] 34 | impl FileData { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] 35 | pub fn from( [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `from` is never used [INFO] [stdout] --> src/duplicate_check.rs:90:12 [INFO] [stdout] | [INFO] [stdout] 89 | impl DuplicateKey { [INFO] [stdout] | ----------------- associated function in this implementation [INFO] [stdout] 90 | pub fn from(file_name: String, size: u64) -> Self { [INFO] [stdout] | ^^^^ [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/duplicate_check.rs:278:5 [INFO] [stdout] | [INFO] [stdout] 276 | file_data: Arc>>, [INFO] [stdout] | ------------------------------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 277 | ) -> BoxFuture<'static, ()> { [INFO] [stdout] 278 | / async move { [INFO] [stdout] 279 | | if metadata.is_file() { [INFO] [stdout] 280 | | let the_file_data = extract_file_data(&path, &metadata, last_modified).await; [INFO] [stdout] 281 | | let mut data = (*file_data).lock().await; [INFO] [stdout] ... | [INFO] [stdout] 295 | | } [INFO] [stdout] 296 | | } [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; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `duplicate-checker` (bin "duplicate-checker" test) due to 2 previous errors; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: associated function `from` is never used [INFO] [stdout] --> src/duplicate_check.rs:35:12 [INFO] [stdout] | [INFO] [stdout] 34 | impl FileData { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] 35 | pub fn from( [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `from` is never used [INFO] [stdout] --> src/duplicate_check.rs:90:12 [INFO] [stdout] | [INFO] [stdout] 89 | impl DuplicateKey { [INFO] [stdout] | ----------------- associated function in this implementation [INFO] [stdout] 90 | pub fn from(file_name: String, size: u64) -> Self { [INFO] [stdout] | ^^^^ [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/duplicate_check.rs:278:5 [INFO] [stdout] | [INFO] [stdout] 276 | file_data: Arc>>, [INFO] [stdout] | ------------------------------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 277 | ) -> BoxFuture<'static, ()> { [INFO] [stdout] 278 | / async move { [INFO] [stdout] 279 | | if metadata.is_file() { [INFO] [stdout] 280 | | let the_file_data = extract_file_data(&path, &metadata, last_modified).await; [INFO] [stdout] 281 | | let mut data = (*file_data).lock().await; [INFO] [stdout] ... | [INFO] [stdout] 295 | | } [INFO] [stdout] 296 | | } [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; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `duplicate-checker` (bin "duplicate-checker") due to 2 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "fa0b06af985ec894fb4d018d9f3abd9753135075f73b14d3ab168757e2a6d0d1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fa0b06af985ec894fb4d018d9f3abd9753135075f73b14d3ab168757e2a6d0d1", kill_on_drop: false }` [INFO] [stdout] fa0b06af985ec894fb4d018d9f3abd9753135075f73b14d3ab168757e2a6d0d1