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[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/n0-computer/willow-store" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fn0-computer%2Fwillow-store", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f8bbfe4992d5da16b4d7cd442b532a5094b6dc0d
[INFO] checking n0-computer/willow-store against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fn0-computer%2Fwillow-store" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
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[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/n0-computer/willow-store on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
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[INFO] started tweaking git repo https://github.com/n0-computer/willow-store
[INFO] finished tweaking git repo https://github.com/n0-computer/willow-store
[INFO] tweaked toml for git repo https://github.com/n0-computer/willow-store written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/n0-computer/willow-store 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 }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 }`
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[INFO] [stderr] Checking willow-store v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `start`
[INFO] [stdout] --> src/main.rs:448:32
[INFO] [stdout] |
[INFO] [stdout] 448 | fn range_iter
(&self, start: P, end: Option
) -> impl Iterator- > + 'static
[INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stdout] |
[INFO] [stdout] = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: unused variable: `end`
[INFO] [stdout] --> src/main.rs:448:42
[INFO] [stdout] |
[INFO] [stdout] 448 | fn range_iter
(&self, start: P, end: Option
) -> impl Iterator- > + 'static
[INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_end`
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: unused variable: `snapshot`
[INFO] [stdout] --> src/main.rs:457:13
[INFO] [stdout] |
[INFO] [stdout] 457 | let snapshot = self.snapshot().unwrap();
[INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_snapshot`
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: unused variable: `root`
[INFO] [stdout] --> src/main.rs:458:13
[INFO] [stdout] |
[INFO] [stdout] 458 | let root = NonZeroU64::new(1).unwrap();
[INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_root`
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: unused variable: `start`
[INFO] [stdout] --> src/main.rs:448:32
[INFO] [stdout] |
[INFO] [stdout] 448 | fn range_iter
(&self, start: P, end: Option
) -> impl Iterator- > + 'static
[INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stdout] |
[INFO] [stdout] = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: unused variable: `end`
[INFO] [stdout] --> src/main.rs:448:42
[INFO] [stdout] |
[INFO] [stdout] 448 | fn range_iter
(&self, start: P, end: Option
) -> impl Iterator- > + 'static
[INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_end`
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: unused variable: `snapshot`
[INFO] [stdout] --> src/main.rs:457:13
[INFO] [stdout] |
[INFO] [stdout] 457 | let snapshot = self.snapshot().unwrap();
[INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_snapshot`
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: unused variable: `root`
[INFO] [stdout] --> src/main.rs:458:13
[INFO] [stdout] |
[INFO] [stdout] 458 | let root = NonZeroU64::new(1).unwrap();
[INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_root`
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: unused variable: `w`
[INFO] [stdout] --> src/main.rs:205:39
[INFO] [stdout] |
[INFO] [stdout] 205 | CurrentTransaction::Write(w) => {
[INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_w`
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: unused variable: `start`
[INFO] [stdout] --> src/main.rs:442:13
[INFO] [stdout] |
[INFO] [stdout] 442 | let start = escape(start);
[INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: unused variable: `end`
[INFO] [stdout] --> src/main.rs:443:13
[INFO] [stdout] |
[INFO] [stdout] 443 | let end = end.map(escape);
[INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_end`
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout] --> src/main.rs:444:13
[INFO] [stdout] |
[INFO] [stdout] 444 | let mut summary = Summary::default();
[INFO] [stdout] | ----^^^^^^^
[INFO] [stdout] | |
[INFO] [stdout] | help: remove this `mut`
[INFO] [stdout] |
[INFO] [stdout] = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout] --> src/main.rs:822:37
[INFO] [stdout] |
[INFO] [stdout] 822 | PutValueResult::Deleted(id) => None,
[INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: unused variable: `w`
[INFO] [stdout] --> src/main.rs:205:39
[INFO] [stdout] |
[INFO] [stdout] 205 | CurrentTransaction::Write(w) => {
[INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_w`
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: unused variable: `start`
[INFO] [stdout] --> src/main.rs:442:13
[INFO] [stdout] |
[INFO] [stdout] 442 | let start = escape(start);
[INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: unused variable: `end`
[INFO] [stdout] --> src/main.rs:443:13
[INFO] [stdout] |
[INFO] [stdout] 443 | let end = end.map(escape);
[INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_end`
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout] --> src/main.rs:444:13
[INFO] [stdout] |
[INFO] [stdout] 444 | let mut summary = Summary::default();
[INFO] [stdout] | ----^^^^^^^
[INFO] [stdout] | |
[INFO] [stdout] | help: remove this `mut`
[INFO] [stdout] |
[INFO] [stdout] = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: trait `StoreParams` is never used
[INFO] [stdout] --> src/main.rs:10:7
[INFO] [stdout] |
[INFO] [stdout] 10 | trait StoreParams {
[INFO] [stdout] | ^^^^^^^^^^^
[INFO] [stdout] |
[INFO] [stdout] = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: constant `ROOT_INODE` is never used
[INFO] [stdout] --> src/main.rs:17:7
[INFO] [stdout] |
[INFO] [stdout] 17 | const ROOT_INODE: u64 = 0;
[INFO] [stdout] | ^^^^^^^^^^
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: constant `ESCAPE` is never used
[INFO] [stdout] --> src/main.rs:19:7
[INFO] [stdout] |
[INFO] [stdout] 19 | const ESCAPE: u8 = 1;
[INFO] [stdout] | ^^^^^^
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: constant `SEPARATOR` is never used
[INFO] [stdout] --> src/main.rs:20:7
[INFO] [stdout] |
[INFO] [stdout] 20 | const SEPARATOR: u8 = 0;
[INFO] [stdout] | ^^^^^^^^^
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: methods `traverse`, `traverse_rec`, and `snapshot` are never used
[INFO] [stdout] --> src/main.rs:147:8
[INFO] [stdout] |
[INFO] [stdout] 116 | impl RedbStore {
[INFO] [stdout] | -------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 147 | fn traverse(&mut self) -> RedbResult<()> {
[INFO] [stdout] | ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 151 | fn traverse_rec(&mut self, dir: NonZeroU64, path: &[u8]) -> RedbResult<()> {
[INFO] [stdout] | ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 199 | fn snapshot(&mut self) -> RedbResult {
[INFO] [stdout] | ^^^^^^^^
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: method `into_owned` is never used
[INFO] [stdout] --> src/main.rs:268:8
[INFO] [stdout] |
[INFO] [stdout] 261 | impl EntriesGuard<'_> {
[INFO] [stdout] | --------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 268 | fn into_owned(self) -> Vec {
[INFO] [stdout] | ^^^^^^^^^^
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: struct `OwnedX` is never constructed
[INFO] [stdout] --> src/main.rs:280:8
[INFO] [stdout] |
[INFO] [stdout] 280 | struct OwnedX(Bytes, PhantomData);
[INFO] [stdout] | ^^^^^^
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: method `into_owned` is never used
[INFO] [stdout] --> src/main.rs:297:8
[INFO] [stdout] |
[INFO] [stdout] 290 | impl PrefixGuard<'_> {
[INFO] [stdout] | -------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 297 | fn into_owned(self) -> Vec {
[INFO] [stdout] | ^^^^^^^^^^
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: associated items `new`, `append`, and `pop` are never used
[INFO] [stdout] --> src/main.rs:340:8
[INFO] [stdout] |
[INFO] [stdout] 339 | impl IterKey {
[INFO] [stdout] | ------------ associated items in this implementation
[INFO] [stdout] 340 | fn new(root: &[u8]) -> Self {
[INFO] [stdout] | ^^^
[INFO] [stdout] ...
[INFO] [stdout] 344 | fn append(&mut self, data: &[u8]) {
[INFO] [stdout] | ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 352 | fn pop(&mut self, n: usize) {
[INFO] [stdout] | ^^^
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: struct `KeyValueIter` is never constructed
[INFO] [stdout] --> src/main.rs:378:8
[INFO] [stdout] |
[INFO] [stdout] 378 | struct KeyValueIter {
[INFO] [stdout] | ^^^^^^^^^^^^
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: associated function `empty` is never used
[INFO] [stdout] --> src/main.rs:385:8
[INFO] [stdout] |
[INFO] [stdout] 384 | impl KeyValueIter {
[INFO] [stdout] | ----------------- associated function in this implementation
[INFO] [stdout] 385 | fn empty(tables: ReadonlyTables) -> Self {
[INFO] [stdout] | ^^^^^
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout] --> src/main.rs:427:8
[INFO] [stdout] |
[INFO] [stdout] 394 | impl RedbStore {
[INFO] [stdout] | -------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 427 | fn get
(&mut self, path: P) -> RedbResult