[INFO] cloning repository https://github.com/zyx-db/kv [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zyx-db/kv" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzyx-db%2Fkv", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzyx-db%2Fkv'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 613ee49472e509a69752cc2ea032e9aebbe14722 [INFO] checking zyx-db/kv against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzyx-db%2Fkv" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/zyx-db/kv 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/zyx-db/kv [INFO] finished tweaking git repo https://github.com/zyx-db/kv [INFO] tweaked toml for git repo https://github.com/zyx-db/kv written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/zyx-db/kv 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 4ea68fe70033651a7416769d8a32b1085946562d64f399e2be51e953b16ecc54 [INFO] running `Command { std: "docker" "start" "-a" "4ea68fe70033651a7416769d8a32b1085946562d64f399e2be51e953b16ecc54", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4ea68fe70033651a7416769d8a32b1085946562d64f399e2be51e953b16ecc54", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4ea68fe70033651a7416769d8a32b1085946562d64f399e2be51e953b16ecc54", kill_on_drop: false }` [INFO] [stdout] 4ea68fe70033651a7416769d8a32b1085946562d64f399e2be51e953b16ecc54 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] a9db4631098a63755e6de3db83c4040946986786de80474fab198abf088e76af [INFO] running `Command { std: "docker" "start" "-a" "a9db4631098a63755e6de3db83c4040946986786de80474fab198abf088e76af", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.155 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Checking log v0.4.21 [INFO] [stderr] Checking chunked_transfer v1.5.0 [INFO] [stderr] Checking httpdate v1.0.3 [INFO] [stderr] Checking ascii v1.1.0 [INFO] [stderr] Checking tiny_http v0.12.0 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking db-kv v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: type `WAL_Status` should have an upper camel case name [INFO] [stdout] --> src/database.rs:27:6 [INFO] [stdout] | [INFO] [stdout] 27 | enum WAL_Status { [INFO] [stdout] | ^^^^^^^^^^ help: convert the identifier to upper camel case: `WalStatus` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `WAL_Status` should have an upper camel case name [INFO] [stdout] --> src/database.rs:27:6 [INFO] [stdout] | [INFO] [stdout] 27 | enum WAL_Status { [INFO] [stdout] | ^^^^^^^^^^ help: convert the identifier to upper camel case: `WalStatus` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `node` is never read [INFO] [stdout] --> src/database.rs:188:25 [INFO] [stdout] | [INFO] [stdout] 188 | let mut node = Rc::clone(incoming); [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `node` is never read [INFO] [stdout] --> src/database.rs:188:25 [INFO] [stdout] | [INFO] [stdout] 188 | let mut node = Rc::clone(incoming); [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `wal_writes` [INFO] [stdout] --> src/database.rs:327:13 [INFO] [stdout] | [INFO] [stdout] 327 | let wal_writes = self.wal.lock().unwrap().insert(&k, &v); [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_wal_writes` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `WAL_THRESHOLD` is never used [INFO] [stdout] --> src/database.rs:10:7 [INFO] [stdout] | [INFO] [stdout] 10 | const WAL_THRESHOLD: u16 = 100; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `KV_THRESHOLD` is never used [INFO] [stdout] --> src/database.rs:11:7 [INFO] [stdout] | [INFO] [stdout] 11 | const KV_THRESHOLD: u16 = 100; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `levels` is never read [INFO] [stdout] --> src/database.rs:146:5 [INFO] [stdout] | [INFO] [stdout] 145 | struct SkipList { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] 146 | levels: usize, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `SkipList` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `cardinality` is never read [INFO] [stdout] --> src/database.rs:242:5 [INFO] [stdout] | [INFO] [stdout] 241 | struct MemTable { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] 242 | cardinality: u16, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `buffer` and `disk_manager` are never read [INFO] [stdout] --> src/database.rs:294:5 [INFO] [stdout] | [INFO] [stdout] 291 | pub struct DB { [INFO] [stdout] | -- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 294 | buffer: PageCache, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 295 | disk_manager: DiskManager, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `freeze` is never used [INFO] [stdout] --> src/database.rs:337:8 [INFO] [stdout] | [INFO] [stdout] 298 | impl DB { [INFO] [stdout] | ------------------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 337 | fn freeze(&self) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `wal_writes` [INFO] [stdout] --> src/database.rs:327:13 [INFO] [stdout] | [INFO] [stdout] 327 | let wal_writes = self.wal.lock().unwrap().insert(&k, &v); [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_wal_writes` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `WAL_THRESHOLD` is never used [INFO] [stdout] --> src/database.rs:10:7 [INFO] [stdout] | [INFO] [stdout] 10 | const WAL_THRESHOLD: u16 = 100; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `KV_THRESHOLD` is never used [INFO] [stdout] --> src/database.rs:11:7 [INFO] [stdout] | [INFO] [stdout] 11 | const KV_THRESHOLD: u16 = 100; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `levels` is never read [INFO] [stdout] --> src/database.rs:146:5 [INFO] [stdout] | [INFO] [stdout] 145 | struct SkipList { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] 146 | levels: usize, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `SkipList` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `cardinality` is never read [INFO] [stdout] --> src/database.rs:242:5 [INFO] [stdout] | [INFO] [stdout] 241 | struct MemTable { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] 242 | cardinality: u16, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `buffer` and `disk_manager` are never read [INFO] [stdout] --> src/database.rs:294:5 [INFO] [stdout] | [INFO] [stdout] 291 | pub struct DB { [INFO] [stdout] | -- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 294 | buffer: PageCache, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 295 | disk_manager: DiskManager, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `freeze` is never used [INFO] [stdout] --> src/database.rs:337:8 [INFO] [stdout] | [INFO] [stdout] 298 | impl DB { [INFO] [stdout] | ------------------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 337 | fn freeze(&self) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.23s [INFO] running `Command { std: "docker" "inspect" "a9db4631098a63755e6de3db83c4040946986786de80474fab198abf088e76af", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a9db4631098a63755e6de3db83c4040946986786de80474fab198abf088e76af", kill_on_drop: false }` [INFO] [stdout] a9db4631098a63755e6de3db83c4040946986786de80474fab198abf088e76af [INFO] checking zyx-db/kv 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%2Fzyx-db%2Fkv" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/zyx-db/kv 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/zyx-db/kv [INFO] finished tweaking git repo https://github.com/zyx-db/kv [INFO] tweaked toml for git repo https://github.com/zyx-db/kv written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/zyx-db/kv 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-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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 41399e3ecb576d7f9057a96839b8e0196c94485e16affb1deb4ecef9e8229293 [INFO] running `Command { std: "docker" "start" "-a" "41399e3ecb576d7f9057a96839b8e0196c94485e16affb1deb4ecef9e8229293", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "41399e3ecb576d7f9057a96839b8e0196c94485e16affb1deb4ecef9e8229293", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "41399e3ecb576d7f9057a96839b8e0196c94485e16affb1deb4ecef9e8229293", kill_on_drop: false }` [INFO] [stdout] 41399e3ecb576d7f9057a96839b8e0196c94485e16affb1deb4ecef9e8229293 [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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 57e1e90a3e2aac884708dc98cb1b544a1f7b51e536a78610b7eaa73e79c2da1a [INFO] running `Command { std: "docker" "start" "-a" "57e1e90a3e2aac884708dc98cb1b544a1f7b51e536a78610b7eaa73e79c2da1a", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.155 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Checking ascii v1.1.0 [INFO] [stderr] Checking chunked_transfer v1.5.0 [INFO] [stderr] Checking httpdate v1.0.3 [INFO] [stderr] Checking log v0.4.21 [INFO] [stderr] Checking tiny_http v0.12.0 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking db-kv v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: type `WAL_Status` should have an upper camel case name [INFO] [stdout] --> src/database.rs:27:6 [INFO] [stdout] | [INFO] [stdout] 27 | enum WAL_Status { [INFO] [stdout] | ^^^^^^^^^^ help: convert the identifier to upper camel case: `WalStatus` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `WAL_Status` should have an upper camel case name [INFO] [stdout] --> src/database.rs:27:6 [INFO] [stdout] | [INFO] [stdout] 27 | enum WAL_Status { [INFO] [stdout] | ^^^^^^^^^^ help: convert the identifier to upper camel case: `WalStatus` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `node` is never read [INFO] [stdout] --> src/database.rs:188:25 [INFO] [stdout] | [INFO] [stdout] 188 | let mut node = Rc::clone(incoming); [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `node` is never read [INFO] [stdout] --> src/database.rs:188:25 [INFO] [stdout] | [INFO] [stdout] 188 | let mut node = Rc::clone(incoming); [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `wal_writes` [INFO] [stdout] --> src/database.rs:327:13 [INFO] [stdout] | [INFO] [stdout] 327 | let wal_writes = self.wal.lock().unwrap().insert(&k, &v); [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_wal_writes` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `wal_writes` [INFO] [stdout] --> src/database.rs:327:13 [INFO] [stdout] | [INFO] [stdout] 327 | let wal_writes = self.wal.lock().unwrap().insert(&k, &v); [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_wal_writes` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `WAL_THRESHOLD` is never used [INFO] [stdout] --> src/database.rs:10:7 [INFO] [stdout] | [INFO] [stdout] 10 | const WAL_THRESHOLD: u16 = 100; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `KV_THRESHOLD` is never used [INFO] [stdout] --> src/database.rs:11:7 [INFO] [stdout] | [INFO] [stdout] 11 | const KV_THRESHOLD: u16 = 100; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `levels` is never read [INFO] [stdout] --> src/database.rs:146:5 [INFO] [stdout] | [INFO] [stdout] 145 | struct SkipList { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] 146 | levels: usize, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `SkipList` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `cardinality` is never read [INFO] [stdout] --> src/database.rs:242:5 [INFO] [stdout] | [INFO] [stdout] 241 | struct MemTable { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] 242 | cardinality: u16, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `buffer` and `disk_manager` are never read [INFO] [stdout] --> src/database.rs:294:5 [INFO] [stdout] | [INFO] [stdout] 291 | pub struct DB { [INFO] [stdout] | -- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 294 | buffer: PageCache, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 295 | disk_manager: DiskManager, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `freeze` is never used [INFO] [stdout] --> src/database.rs:337:8 [INFO] [stdout] | [INFO] [stdout] 298 | impl DB { [INFO] [stdout] | ------------------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 337 | fn freeze(&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/database.rs:46:13 [INFO] [stdout] | [INFO] [stdout] 34 | let fd = OpenOptions::new() [INFO] [stdout] | -- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 46 | / WAL { [INFO] [stdout] 47 | | writes: AtomicU16::new(0), [INFO] [stdout] 48 | | fd, [INFO] [stdout] 49 | | }, [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; 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `WAL_THRESHOLD` is never used [INFO] [stdout] --> src/database.rs:10:7 [INFO] [stdout] | [INFO] [stdout] 10 | const WAL_THRESHOLD: u16 = 100; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `KV_THRESHOLD` is never used [INFO] [stdout] --> src/database.rs:11:7 [INFO] [stdout] | [INFO] [stdout] 11 | const KV_THRESHOLD: u16 = 100; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `levels` is never read [INFO] [stdout] --> src/database.rs:146:5 [INFO] [stdout] | [INFO] [stdout] 145 | struct SkipList { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] 146 | levels: usize, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `SkipList` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `cardinality` is never read [INFO] [stdout] --> src/database.rs:242:5 [INFO] [stdout] | [INFO] [stdout] 241 | struct MemTable { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] 242 | cardinality: u16, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `buffer` and `disk_manager` are never read [INFO] [stdout] --> src/database.rs:294:5 [INFO] [stdout] | [INFO] [stdout] 291 | pub struct DB { [INFO] [stdout] | -- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 294 | buffer: PageCache, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 295 | disk_manager: DiskManager, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `freeze` is never used [INFO] [stdout] --> src/database.rs:337:8 [INFO] [stdout] | [INFO] [stdout] 298 | impl DB { [INFO] [stdout] | ------------------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 337 | fn freeze(&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/database.rs:46:13 [INFO] [stdout] | [INFO] [stdout] 34 | let fd = OpenOptions::new() [INFO] [stdout] | -- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 46 | / WAL { [INFO] [stdout] 47 | | writes: AtomicU16::new(0), [INFO] [stdout] 48 | | fd, [INFO] [stdout] 49 | | }, [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] [stderr] error: could not compile `db-kv` (bin "db-kv") due to 2 previous errors; 9 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 1 previous error; 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `db-kv` (bin "db-kv" test) due to 2 previous errors; 9 warnings emitted [INFO] running `Command { std: "docker" "inspect" "57e1e90a3e2aac884708dc98cb1b544a1f7b51e536a78610b7eaa73e79c2da1a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "57e1e90a3e2aac884708dc98cb1b544a1f7b51e536a78610b7eaa73e79c2da1a", kill_on_drop: false }` [INFO] [stdout] 57e1e90a3e2aac884708dc98cb1b544a1f7b51e536a78610b7eaa73e79c2da1a