[INFO] cloning repository https://github.com/saschanaz/leveldb-assignment [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/saschanaz/leveldb-assignment" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaschanaz%2Fleveldb-assignment", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaschanaz%2Fleveldb-assignment'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] af062e95ba8d647ebc7b3e8d73f871a2695dc227 [INFO] checking saschanaz/leveldb-assignment against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaschanaz%2Fleveldb-assignment" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/saschanaz/leveldb-assignment on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/saschanaz/leveldb-assignment [INFO] finished tweaking git repo https://github.com/saschanaz/leveldb-assignment [INFO] tweaked toml for git repo https://github.com/saschanaz/leveldb-assignment written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/saschanaz/leveldb-assignment 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded ffi-opaque v2.0.1 [INFO] [stderr] Downloaded leveldb-sys v2.0.9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] cb821bc525823efca4e32e7fde87d11b190cd32bd8a0dee341f6c19d32384925 [INFO] running `Command { std: "docker" "start" "-a" "cb821bc525823efca4e32e7fde87d11b190cd32bd8a0dee341f6c19d32384925", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cb821bc525823efca4e32e7fde87d11b190cd32bd8a0dee341f6c19d32384925", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cb821bc525823efca4e32e7fde87d11b190cd32bd8a0dee341f6c19d32384925", kill_on_drop: false }` [INFO] [stdout] cb821bc525823efca4e32e7fde87d11b190cd32bd8a0dee341f6c19d32384925 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "-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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f5d822757fb993a369aa03e5e3bdbb33b364648a763f7784721070610f39a744 [INFO] running `Command { std: "docker" "start" "-a" "f5d822757fb993a369aa03e5e3bdbb33b364648a763f7784721070610f39a744", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling proc-macro2 v1.0.78 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling cc v1.0.88 [INFO] [stderr] Compiling thiserror v1.0.57 [INFO] [stderr] Compiling anyhow v1.0.80 [INFO] [stderr] Checking ffi-opaque v2.0.1 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Compiling cmake v0.1.50 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Compiling num_cpus v1.16.0 [INFO] [stderr] Compiling syn v2.0.51 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Compiling leveldb-sys v2.0.9 [INFO] [stderr] Checking tempdir v0.3.7 [INFO] [stderr] Compiling thiserror-impl v1.0.57 [INFO] [stderr] Checking leveldb-ffi-exercise v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `PathBuf` [INFO] [stdout] --> src/wrapper/handle.rs:4:23 [INFO] [stdout] | [INFO] [stdout] 4 | use std::path::{Path, PathBuf}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `iterator::LevelDBIterator` [INFO] [stdout] --> src/wrapper.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 9 | pub use iterator::LevelDBIterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `PathBuf` [INFO] [stdout] --> src/wrapper/handle.rs:4:23 [INFO] [stdout] | [INFO] [stdout] 4 | use std::path::{Path, PathBuf}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `iterator::LevelDBIterator` [INFO] [stdout] --> src/wrapper.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 9 | pub use iterator::LevelDBIterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `FailedToOpen` and `InvalidString` are never constructed [INFO] [stdout] --> src/wrapper/handle.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 16 | pub enum LevelDBError { [INFO] [stdout] | ------------ variants in this enum [INFO] [stdout] 17 | #[error("Failed to open LevelDB")] [INFO] [stdout] 18 | FailedToOpen(String), [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 19 | #[error("Invalid DB name")] [INFO] [stdout] 20 | InvalidString, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `LevelDBError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `open`, `put`, `get`, and `iter` are never used [INFO] [stdout] --> src/wrapper/handle.rs:28:12 [INFO] [stdout] | [INFO] [stdout] 27 | impl LevelDBHandle { [INFO] [stdout] | ------------------ associated items in this implementation [INFO] [stdout] 28 | pub fn open(name: &Path) -> Result { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 54 | pub fn put(&self, key: &[u8], data: &[u8]) -> Result<(), LevelDBError> { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 76 | pub fn get(&self, key: &[u8]) -> Result, LevelDBError> { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 104 | pub fn iter(&self) -> LevelDBIterator { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/wrapper/options.rs:10:12 [INFO] [stdout] | [INFO] [stdout] 9 | impl LevelDBOptions { [INFO] [stdout] | ------------------- associated function in this implementation [INFO] [stdout] 10 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/wrapper/read_options.rs:10:12 [INFO] [stdout] | [INFO] [stdout] 9 | impl LevelDBReadOptions { [INFO] [stdout] | ----------------------- associated function in this implementation [INFO] [stdout] 10 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/wrapper/write_options.rs:10:12 [INFO] [stdout] | [INFO] [stdout] 9 | impl LevelDBWriteOptions { [INFO] [stdout] | ------------------------ associated function in this implementation [INFO] [stdout] 10 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/wrapper/value.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 7 | impl LevelDBValue { [INFO] [stdout] | ----------------- associated function in this implementation [INFO] [stdout] 8 | pub fn new(value: NonNull, len: usize) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/wrapper/iterator.rs:14:12 [INFO] [stdout] | [INFO] [stdout] 13 | impl<'a> LevelDBIterator<'a> { [INFO] [stdout] | ---------------------------- associated function in this implementation [INFO] [stdout] 14 | pub fn new(db: &'a LevelDBHandle) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.68s [INFO] running `Command { std: "docker" "inspect" "f5d822757fb993a369aa03e5e3bdbb33b364648a763f7784721070610f39a744", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f5d822757fb993a369aa03e5e3bdbb33b364648a763f7784721070610f39a744", kill_on_drop: false }` [INFO] [stdout] f5d822757fb993a369aa03e5e3bdbb33b364648a763f7784721070610f39a744 [INFO] checking saschanaz/leveldb-assignment against try#f9935d29d867449445ee008640ccca1bf1ae0889+rustflags=-Dtail_expr_drop_order for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaschanaz%2Fleveldb-assignment" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/saschanaz/leveldb-assignment on toolchain f9935d29d867449445ee008640ccca1bf1ae0889 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/saschanaz/leveldb-assignment [INFO] finished tweaking git repo https://github.com/saschanaz/leveldb-assignment [INFO] tweaked toml for git repo https://github.com/saschanaz/leveldb-assignment written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/saschanaz/leveldb-assignment 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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6fa411e00237f91e69c6144129f408bd046e290e5e06d318a1a54d9c96573d90 [INFO] running `Command { std: "docker" "start" "-a" "6fa411e00237f91e69c6144129f408bd046e290e5e06d318a1a54d9c96573d90", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6fa411e00237f91e69c6144129f408bd046e290e5e06d318a1a54d9c96573d90", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6fa411e00237f91e69c6144129f408bd046e290e5e06d318a1a54d9c96573d90", kill_on_drop: false }` [INFO] [stdout] 6fa411e00237f91e69c6144129f408bd046e290e5e06d318a1a54d9c96573d90 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cb31140dbd99f77c42376cc0c27360945e6ab9a92a10bd7350b2a31bf84fd527 [INFO] running `Command { std: "docker" "start" "-a" "cb31140dbd99f77c42376cc0c27360945e6ab9a92a10bd7350b2a31bf84fd527", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling proc-macro2 v1.0.78 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling cc v1.0.88 [INFO] [stderr] Compiling anyhow v1.0.80 [INFO] [stderr] Compiling thiserror v1.0.57 [INFO] [stderr] Checking ffi-opaque v2.0.1 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Compiling cmake v0.1.50 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Compiling num_cpus v1.16.0 [INFO] [stderr] Compiling syn v2.0.51 [INFO] [stderr] Compiling leveldb-sys v2.0.9 [INFO] [stderr] Checking tempdir v0.3.7 [INFO] [stderr] Compiling thiserror-impl v1.0.57 [INFO] [stderr] Checking leveldb-ffi-exercise v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `PathBuf` [INFO] [stdout] --> src/wrapper/handle.rs:4:23 [INFO] [stdout] | [INFO] [stdout] 4 | use std::path::{Path, PathBuf}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `iterator::LevelDBIterator` [INFO] [stdout] --> src/wrapper.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 9 | pub use iterator::LevelDBIterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `PathBuf` [INFO] [stdout] --> src/wrapper/handle.rs:4:23 [INFO] [stdout] | [INFO] [stdout] 4 | use std::path::{Path, PathBuf}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `iterator::LevelDBIterator` [INFO] [stdout] --> src/wrapper.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 9 | pub use iterator::LevelDBIterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `FailedToOpen` and `InvalidString` are never constructed [INFO] [stdout] --> src/wrapper/handle.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 16 | pub enum LevelDBError { [INFO] [stdout] | ------------ variants in this enum [INFO] [stdout] 17 | #[error("Failed to open LevelDB")] [INFO] [stdout] 18 | FailedToOpen(String), [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 19 | #[error("Invalid DB name")] [INFO] [stdout] 20 | InvalidString, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `LevelDBError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `open`, `put`, `get`, and `iter` are never used [INFO] [stdout] --> src/wrapper/handle.rs:28:12 [INFO] [stdout] | [INFO] [stdout] 27 | impl LevelDBHandle { [INFO] [stdout] | ------------------ associated items in this implementation [INFO] [stdout] 28 | pub fn open(name: &Path) -> Result { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 54 | pub fn put(&self, key: &[u8], data: &[u8]) -> Result<(), LevelDBError> { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 76 | pub fn get(&self, key: &[u8]) -> Result, LevelDBError> { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 104 | pub fn iter(&self) -> LevelDBIterator { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/wrapper/options.rs:10:12 [INFO] [stdout] | [INFO] [stdout] 9 | impl LevelDBOptions { [INFO] [stdout] | ------------------- associated function in this implementation [INFO] [stdout] 10 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/wrapper/read_options.rs:10:12 [INFO] [stdout] | [INFO] [stdout] 9 | impl LevelDBReadOptions { [INFO] [stdout] | ----------------------- associated function in this implementation [INFO] [stdout] 10 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/wrapper/write_options.rs:10:12 [INFO] [stdout] | [INFO] [stdout] 9 | impl LevelDBWriteOptions { [INFO] [stdout] | ------------------------ associated function in this implementation [INFO] [stdout] 10 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/wrapper/value.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 7 | impl LevelDBValue { [INFO] [stdout] | ----------------- associated function in this implementation [INFO] [stdout] 8 | pub fn new(value: NonNull, len: usize) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/wrapper/iterator.rs:14:12 [INFO] [stdout] | [INFO] [stdout] 13 | impl<'a> LevelDBIterator<'a> { [INFO] [stdout] | ---------------------------- associated function in this implementation [INFO] [stdout] 14 | pub fn new(db: &'a LevelDBHandle) -> 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/wrapper/handle.rs:49:12 [INFO] [stdout] | [INFO] [stdout] 29 | let options = LevelDBOptions::new(); [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 37 | let name = CString::new(name).map_err(|_| LevelDBError::InvalidString)?; [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 49 | Ok(Self { [INFO] [stdout] | ____________^ [INFO] [stdout] 50 | | db_ptr: NonNull::new(db_ptr).expect("DB ptr should not be null when err_ptr is null"), [INFO] [stdout] 51 | | }) [INFO] [stdout] | | ^ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | |_________| [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/wrapper/handle.rs:101:12 [INFO] [stdout] | [INFO] [stdout] 77 | let options = LevelDBReadOptions::new(); [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 100 | let value = LevelDBValue::new(unsafe { NonNull::new_unchecked(value) }, value_len); [INFO] [stdout] | ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 101 | Ok(Some(value)) [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 2 previous errors; 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `leveldb-ffi-exercise` (bin "leveldb-ffi-exercise") due to 3 previous errors; 9 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/wrapper/handle.rs:49:12 [INFO] [stdout] | [INFO] [stdout] 29 | let options = LevelDBOptions::new(); [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 37 | let name = CString::new(name).map_err(|_| LevelDBError::InvalidString)?; [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 49 | Ok(Self { [INFO] [stdout] | ____________^ [INFO] [stdout] 50 | | db_ptr: NonNull::new(db_ptr).expect("DB ptr should not be null when err_ptr is null"), [INFO] [stdout] 51 | | }) [INFO] [stdout] | | ^ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | |_________| [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/wrapper/handle.rs:101:12 [INFO] [stdout] | [INFO] [stdout] 77 | let options = LevelDBReadOptions::new(); [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 100 | let value = LevelDBValue::new(unsafe { NonNull::new_unchecked(value) }, value_len); [INFO] [stdout] | ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 101 | Ok(Some(value)) [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 2 previous errors; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `leveldb-ffi-exercise` (bin "leveldb-ffi-exercise" test) due to 3 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "cb31140dbd99f77c42376cc0c27360945e6ab9a92a10bd7350b2a31bf84fd527", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cb31140dbd99f77c42376cc0c27360945e6ab9a92a10bd7350b2a31bf84fd527", kill_on_drop: false }` [INFO] [stdout] cb31140dbd99f77c42376cc0c27360945e6ab9a92a10bd7350b2a31bf84fd527