[INFO] fetching crate drives 0.6.0... [INFO] checking drives-0.6.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate drives 0.6.0 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate drives 0.6.0 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 drives 0.6.0 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate drives 0.6.0 [INFO] tweaked toml for crates.io crate drives 0.6.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate crates.io crate drives 0.6.0 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-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] 8f1bb606899977e8d1fb99379b3d3f70676d62ca5ceccf52056be88f42d9ff4a [INFO] running `Command { std: "docker" "start" "-a" "8f1bb606899977e8d1fb99379b3d3f70676d62ca5ceccf52056be88f42d9ff4a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8f1bb606899977e8d1fb99379b3d3f70676d62ca5ceccf52056be88f42d9ff4a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8f1bb606899977e8d1fb99379b3d3f70676d62ca5ceccf52056be88f42d9ff4a", kill_on_drop: false }` [INFO] [stdout] 8f1bb606899977e8d1fb99379b3d3f70676d62ca5ceccf52056be88f42d9ff4a [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] d74d2fcf8fab7da06cb85be5880851f6e76168d8c6a2e6b4d7509b777c65ca08 [INFO] running `Command { std: "docker" "start" "-a" "d74d2fcf8fab7da06cb85be5880851f6e76168d8c6a2e6b4d7509b777c65ca08", kill_on_drop: false }` [INFO] [stderr] Compiling thiserror v1.0.56 [INFO] [stderr] Compiling rustix v0.38.30 [INFO] [stderr] Checking bitflags v2.4.2 [INFO] [stderr] Checking linux-raw-sys v0.4.13 [INFO] [stderr] Checking fastrand v2.0.1 [INFO] [stderr] Compiling syn v2.0.48 [INFO] [stderr] Compiling thiserror-impl v1.0.56 [INFO] [stderr] Checking tempfile v3.9.0 [INFO] [stderr] Checking drives v0.6.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/gpt.rs:65:9 [INFO] [stdout] | [INFO] [stdout] 65 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `DEV_DIR` is never used [INFO] [stdout] --> src/gpt.rs:6:7 [INFO] [stdout] | [INFO] [stdout] 6 | const DEV_DIR: &str = "/dev/"; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/fs_wrap.rs:49:5 [INFO] [stdout] | [INFO] [stdout] 49 | file.read_to_string(&mut result); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 49 | let _ = file.read_to_string(&mut result); [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/fs_wrap.rs:81:8 [INFO] [stdout] | [INFO] [stdout] 76 | pub fn read_lines

(filename: P) -> io::Result>> [INFO] [stdout] | ----------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 80 | let file = File::open(filename)?; [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 81 | Ok(io::BufReader::new(file).lines()) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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: aborting due to 1 previous error; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `DEV_DIR` is never used [INFO] [stdout] --> src/gpt.rs:9:7 [INFO] [stdout] | [INFO] [stdout] 9 | const DEV_DIR: &str = concat!(env!("CARGO_MANIFEST_DIR"), "/resources", "/test"); [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `drives` (lib) due to 2 previous errors; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/fs_wrap.rs:49:5 [INFO] [stdout] | [INFO] [stdout] 49 | file.read_to_string(&mut result); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 49 | let _ = file.read_to_string(&mut result); [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/fs_wrap.rs:81:8 [INFO] [stdout] | [INFO] [stdout] 76 | pub fn read_lines

(filename: P) -> io::Result>> [INFO] [stdout] | ----------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 80 | let file = File::open(filename)?; [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 81 | Ok(io::BufReader::new(file).lines()) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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: aborting due to 1 previous error; 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `drives` (lib test) due to 2 previous errors; 3 warnings emitted [INFO] running `Command { std: "docker" "inspect" "d74d2fcf8fab7da06cb85be5880851f6e76168d8c6a2e6b4d7509b777c65ca08", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d74d2fcf8fab7da06cb85be5880851f6e76168d8c6a2e6b4d7509b777c65ca08", kill_on_drop: false }` [INFO] [stdout] d74d2fcf8fab7da06cb85be5880851f6e76168d8c6a2e6b4d7509b777c65ca08