[INFO] cloning repository https://github.com/zhufucdev/vectoria [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zhufucdev/vectoria" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhufucdev%2Fvectoria", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhufucdev%2Fvectoria'... 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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f9011f11fd9ad784893e348b84ec271d9bad549e [INFO] checking zhufucdev/vectoria against try#3298c2ca5e390fd0d104357fdeec514a152a9561 for pr-136490 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhufucdev%2Fvectoria" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/zhufucdev/vectoria on toolchain 3298c2ca5e390fd0d104357fdeec514a152a9561 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3298c2ca5e390fd0d104357fdeec514a152a9561" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/zhufucdev/vectoria [INFO] finished tweaking git repo https://github.com/zhufucdev/vectoria [INFO] tweaked toml for git repo https://github.com/zhufucdev/vectoria written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/zhufucdev/vectoria 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" "+3298c2ca5e390fd0d104357fdeec514a152a9561" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+3298c2ca5e390fd0d104357fdeec514a152a9561" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7785a7422579ee884eac65f56ff770d3736c89915a01de56c92ec5bf7c70a89e [INFO] running `Command { std: "docker" "start" "-a" "7785a7422579ee884eac65f56ff770d3736c89915a01de56c92ec5bf7c70a89e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7785a7422579ee884eac65f56ff770d3736c89915a01de56c92ec5bf7c70a89e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7785a7422579ee884eac65f56ff770d3736c89915a01de56c92ec5bf7c70a89e", kill_on_drop: false }` [INFO] [stdout] 7785a7422579ee884eac65f56ff770d3736c89915a01de56c92ec5bf7c70a89e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+3298c2ca5e390fd0d104357fdeec514a152a9561" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 725dd3c6aef84af9ea1c00731182c15be08c8bae0ba7428a80247dbf0be13520 [INFO] running `Command { std: "docker" "start" "-a" "725dd3c6aef84af9ea1c00731182c15be08c8bae0ba7428a80247dbf0be13520", kill_on_drop: false }` [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking vectoria v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::io::Write` [INFO] [stdout] --> src/vio/dbheader.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::io::Write; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::Write` [INFO] [stdout] --> src/vio/dbheader.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::io::Write; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/vio/dbheader.rs:56:19 [INFO] [stdout] | [INFO] [stdout] 56 | .map_err(|e| Error::Parse(ParseErrorReason::StringDecodeFailed))?; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `dbheader::Error` is more private than the item `db::Error::Header::0` [INFO] [stdout] --> src/db.rs:184:12 [INFO] [stdout] | [INFO] [stdout] 184 | Header(vio::dbheader::Error), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ field `db::Error::Header::0` is reachable at visibility `pub` [INFO] [stdout] | [INFO] [stdout] note: but type `dbheader::Error` is only usable at visibility `pub(crate)` [INFO] [stdout] --> src/vio/dbheader.rs:26:1 [INFO] [stdout] | [INFO] [stdout] 26 | pub(crate) enum Error { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(private_interfaces)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `RandomAccess` is more private than the item `Database::read` [INFO] [stdout] --> src/db.rs:205:5 [INFO] [stdout] | [INFO] [stdout] 205 | pub fn read(name: &String, mut fd: Box) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ associated function `Database::read` is reachable at visibility `pub` [INFO] [stdout] | [INFO] [stdout] note: but trait `RandomAccess` is only usable at visibility `pub(crate)` [INFO] [stdout] --> src/vio.rs:8:1 [INFO] [stdout] | [INFO] [stdout] 8 | pub(crate) trait RandomAccess: Read + Write + Seek {} [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `RandomAccess` is more private than the item `Database::new` [INFO] [stdout] --> src/db.rs:224:5 [INFO] [stdout] | [INFO] [stdout] 224 | pub fn new(name: &str, dim_size: u32, mut fd: Box) -> Database { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ associated function `Database::new` is reachable at visibility `pub` [INFO] [stdout] | [INFO] [stdout] note: but trait `RandomAccess` is only usable at visibility `pub(crate)` [INFO] [stdout] --> src/vio.rs:8:1 [INFO] [stdout] | [INFO] [stdout] 8 | pub(crate) trait RandomAccess: Read + Write + Seek {} [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `DbHandle` is more private than the item `ManagementSystem` [INFO] [stdout] --> src/ms.rs:11:1 [INFO] [stdout] | [INFO] [stdout] 11 | pub struct ManagementSystem { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ struct `ManagementSystem` is reachable at visibility `pub` [INFO] [stdout] | [INFO] [stdout] note: but trait `DbHandle` is only usable at visibility `pub(self)` [INFO] [stdout] --> src/ms.rs:43:1 [INFO] [stdout] | [INFO] [stdout] 43 | trait DbHandle { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(private_bounds)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `DbHandle` is more private than the item `ManagementSystem` [INFO] [stdout] --> src/ms.rs:87:1 [INFO] [stdout] | [INFO] [stdout] 87 | impl ManagementSystem { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ implementation `ManagementSystem` is reachable at visibility `pub` [INFO] [stdout] | [INFO] [stdout] note: but trait `DbHandle` is only usable at visibility `pub(self)` [INFO] [stdout] --> src/ms.rs:43:1 [INFO] [stdout] | [INFO] [stdout] 43 | trait DbHandle { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `len`, `capacity`, and `adjacent_matrix` are never read [INFO] [stdout] --> src/ds/graph.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 13 | pub(crate) struct NdGraph { [INFO] [stdout] | ------- fields in this struct [INFO] [stdout] 14 | len: u32, [INFO] [stdout] | ^^^ [INFO] [stdout] 15 | capacity: u32, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 16 | adjacent_matrix: Vec>, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Error` is never used [INFO] [stdout] --> src/ds/graph.rs:25:17 [INFO] [stdout] | [INFO] [stdout] 25 | pub(crate) enum Error { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/ds/graph.rs:41:19 [INFO] [stdout] | [INFO] [stdout] 40 | impl NdGraph { [INFO] [stdout] | ------------ associated items in this implementation [INFO] [stdout] 41 | pub(crate) fn new() -> NdGraph { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 49 | pub(crate) fn with_capacity(capacity: u32) -> NdGraph { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 90 | pub(crate) fn get_neighbors(&self, query_node: u32) -> Vec<(u32, f32)> { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 103 | pub(crate) fn push(&mut self, count: u32) -> Result { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 117 | pub(crate) fn push_one(&mut self) -> Result { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 121 | pub(crate) fn connect(&mut self, a: u32, b: u32, distance: f32) -> Result<(), Error> { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 131 | pub(crate) fn len(&self) -> u32 { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 135 | pub(crate) fn capacity(&self) -> u32 { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 139 | pub(crate) fn is_empty(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 143 | pub(crate) fn distance_between(&self, a: u32, b: u32) -> Result, Error> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `graph` and `level` are never read [INFO] [stdout] --> src/ds/layer.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 3 | pub(crate) struct HnswLayer { [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] 4 | graph: NdGraph, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 5 | level: u32, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `is_empty` is never used [INFO] [stdout] --> src/ds/layer.rs:13:19 [INFO] [stdout] | [INFO] [stdout] 8 | impl HnswLayer { [INFO] [stdout] | -------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 13 | pub(crate) fn is_empty(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `count` is never used [INFO] [stdout] --> src/db.rs:46:8 [INFO] [stdout] | [INFO] [stdout] 26 | impl VectorHandle { [INFO] [stdout] | ----------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 46 | fn count(&self) -> Result { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `name` and `layers` are never read [INFO] [stdout] --> src/db.rs:176:5 [INFO] [stdout] | [INFO] [stdout] 175 | pub struct Database { [INFO] [stdout] | -------- fields in this struct [INFO] [stdout] 176 | name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] 177 | layers: LinkedList, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `gc` is never used [INFO] [stdout] --> src/ms.rs:88:8 [INFO] [stdout] | [INFO] [stdout] 87 | impl ManagementSystem { [INFO] [stdout] | ------------------------------------- method in this implementation [INFO] [stdout] 88 | fn gc(&mut self) { [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/vio/dbheader.rs:56:19 [INFO] [stdout] | [INFO] [stdout] 56 | .map_err(|e| Error::Parse(ParseErrorReason::StringDecodeFailed))?; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `dbheader::Error` is more private than the item `db::Error::Header::0` [INFO] [stdout] --> src/db.rs:184:12 [INFO] [stdout] | [INFO] [stdout] 184 | Header(vio::dbheader::Error), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ field `db::Error::Header::0` is reachable at visibility `pub` [INFO] [stdout] | [INFO] [stdout] note: but type `dbheader::Error` is only usable at visibility `pub(crate)` [INFO] [stdout] --> src/vio/dbheader.rs:26:1 [INFO] [stdout] | [INFO] [stdout] 26 | pub(crate) enum Error { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(private_interfaces)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `RandomAccess` is more private than the item `Database::read` [INFO] [stdout] --> src/db.rs:205:5 [INFO] [stdout] | [INFO] [stdout] 205 | pub fn read(name: &String, mut fd: Box) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ associated function `Database::read` is reachable at visibility `pub` [INFO] [stdout] | [INFO] [stdout] note: but trait `RandomAccess` is only usable at visibility `pub(crate)` [INFO] [stdout] --> src/vio.rs:8:1 [INFO] [stdout] | [INFO] [stdout] 8 | pub(crate) trait RandomAccess: Read + Write + Seek {} [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `RandomAccess` is more private than the item `Database::new` [INFO] [stdout] --> src/db.rs:224:5 [INFO] [stdout] | [INFO] [stdout] 224 | pub fn new(name: &str, dim_size: u32, mut fd: Box) -> Database { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ associated function `Database::new` is reachable at visibility `pub` [INFO] [stdout] | [INFO] [stdout] note: but trait `RandomAccess` is only usable at visibility `pub(crate)` [INFO] [stdout] --> src/vio.rs:8:1 [INFO] [stdout] | [INFO] [stdout] 8 | pub(crate) trait RandomAccess: Read + Write + Seek {} [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `DbHandle` is more private than the item `ManagementSystem` [INFO] [stdout] --> src/ms.rs:11:1 [INFO] [stdout] | [INFO] [stdout] 11 | pub struct ManagementSystem { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ struct `ManagementSystem` is reachable at visibility `pub` [INFO] [stdout] | [INFO] [stdout] note: but trait `DbHandle` is only usable at visibility `pub(self)` [INFO] [stdout] --> src/ms.rs:43:1 [INFO] [stdout] | [INFO] [stdout] 43 | trait DbHandle { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(private_bounds)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `DbHandle` is more private than the item `ManagementSystem` [INFO] [stdout] --> src/ms.rs:87:1 [INFO] [stdout] | [INFO] [stdout] 87 | impl ManagementSystem { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ implementation `ManagementSystem` is reachable at visibility `pub` [INFO] [stdout] | [INFO] [stdout] note: but trait `DbHandle` is only usable at visibility `pub(self)` [INFO] [stdout] --> src/ms.rs:43:1 [INFO] [stdout] | [INFO] [stdout] 43 | trait DbHandle { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `get_neighbors` and `is_empty` are never used [INFO] [stdout] --> src/ds/graph.rs:90:19 [INFO] [stdout] | [INFO] [stdout] 40 | impl NdGraph { [INFO] [stdout] | ------------ methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 90 | pub(crate) fn get_neighbors(&self, query_node: u32) -> Vec<(u32, f32)> { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 139 | pub(crate) fn is_empty(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `graph` and `level` are never read [INFO] [stdout] --> src/ds/layer.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 3 | pub(crate) struct HnswLayer { [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] 4 | graph: NdGraph, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 5 | level: u32, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `is_empty` is never used [INFO] [stdout] --> src/ds/layer.rs:13:19 [INFO] [stdout] | [INFO] [stdout] 8 | impl HnswLayer { [INFO] [stdout] | -------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 13 | pub(crate) fn is_empty(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `name` and `layers` are never read [INFO] [stdout] --> src/db.rs:176:5 [INFO] [stdout] | [INFO] [stdout] 175 | pub struct Database { [INFO] [stdout] | -------- fields in this struct [INFO] [stdout] 176 | name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] 177 | layers: LinkedList, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `gc` is never used [INFO] [stdout] --> src/ms.rs:88:8 [INFO] [stdout] | [INFO] [stdout] 87 | impl ManagementSystem { [INFO] [stdout] | ------------------------------------- method in this implementation [INFO] [stdout] 88 | fn gc(&mut self) { [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.25s [INFO] running `Command { std: "docker" "inspect" "725dd3c6aef84af9ea1c00731182c15be08c8bae0ba7428a80247dbf0be13520", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "725dd3c6aef84af9ea1c00731182c15be08c8bae0ba7428a80247dbf0be13520", kill_on_drop: false }` [INFO] [stdout] 725dd3c6aef84af9ea1c00731182c15be08c8bae0ba7428a80247dbf0be13520