[INFO] fetching crate spray 0.1.0...
[INFO] checking spray-0.1.0 against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] extracting crate spray 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate spray 0.1.0 on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate spray 0.1.0
[INFO] finished tweaking crates.io crate spray 0.1.0
[INFO] tweaked toml for crates.io crate spray 0.1.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate spray 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--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/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3a7243278ad3176f61ce2517ff172a5224966406380933267be1b14f86d74db4
[INFO] running `Command { std: "docker" "start" "-a" "3a7243278ad3176f61ce2517ff172a5224966406380933267be1b14f86d74db4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a7243278ad3176f61ce2517ff172a5224966406380933267be1b14f86d74db4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a7243278ad3176f61ce2517ff172a5224966406380933267be1b14f86d74db4", kill_on_drop: false }`
[INFO] [stdout] 3a7243278ad3176f61ce2517ff172a5224966406380933267be1b14f86d74db4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f224074104a5b78453c2599d75d60bb054fdc1bd884c378588134578585a4b72
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f224074104a5b78453c2599d75d60bb054fdc1bd884c378588134578585a4b72", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling proc-macro-nested v0.1.4
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]     Checking arc-swap v0.4.7
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking bytes v0.5.4
[INFO] [stderr]     Checking bytesize v1.0.1
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.19
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]     Checking tokio v0.2.21
[INFO] [stderr]     Checking pin-project v0.4.19
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking spray v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::files`
[INFO] [stdout]  --> src/handle.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::files;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::files`
[INFO] [stdout]  --> src/handle.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::files;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `uuid::Uuid`
[INFO] [stdout]   --> src/index.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |     use uuid::Uuid;
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `File`
[INFO] [stdout]  --> src/files.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub type File = tokio::fs::File;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Path`
[INFO] [stdout]  --> src/files.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub type Path = std::path::Path;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `PathBuf`
[INFO] [stdout]  --> src/files.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub type PathBuf = std::path::PathBuf;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `create`
[INFO] [stdout]  --> src/files.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn create(path: &PathBuf) -> Result<File> {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `open`
[INFO] [stdout]   --> src/files.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn open(path: &PathBuf) -> Result<File> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `create_dir`
[INFO] [stdout]   --> src/files.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn create_dir(path: &Path) -> Result<()> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `stem_as_u64`
[INFO] [stdout]   --> src/files.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn stem_as_u64(path: PathBuf) -> u64 {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `list_files_as_u64`
[INFO] [stdout]   --> src/files.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub fn list_files_as_u64(path: &Path, extension: &'static str) -> Result<Vec<u64>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Handle`
[INFO] [stdout]  --> src/handle.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Handle {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/handle.rs:14:18
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub async fn new(location: &PathBuf, id: u64) -> Result<Handle> {
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `open`
[INFO] [stdout]   --> src/handle.rs:20:18
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub async fn open(location: &PathBuf, id: u64) -> Result<Handle> {
[INFO] [stdout]    |                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `stream`
[INFO] [stdout]   --> src/handle.rs:26:18
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub async fn stream<T>(&mut self, offset: u64, bytes: usize, target: &mut T) -> Result<()>
[INFO] [stdout]    |                  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add`
[INFO] [stdout]   --> src/handle.rs:35:18
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub async fn add(&mut self, entries: Vec<Vec<u8>>) -> Result<()> {
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `log_size`
[INFO] [stdout]   --> src/handle.rs:45:18
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub async fn log_size(&self) -> u64 {
[INFO] [stdout]    |                  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `index_size`
[INFO] [stdout]   --> src/handle.rs:49:18
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub async fn index_size(&self) -> u64 {
[INFO] [stdout]    |                  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `ENTRY_SIZE`
[INFO] [stdout]  --> src/index.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | const ENTRY_SIZE: usize = 8;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Index`
[INFO] [stdout]  --> src/index.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct Index {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/index.rs:17:18
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub async fn new(location: &PathBuf, id: u64) -> Result<Index> {
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `open`
[INFO] [stdout]   --> src/index.rs:29:18
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub async fn open(location: &PathBuf, id: u64) -> Result<Index> {
[INFO] [stdout]    |                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_entry`
[INFO] [stdout]   --> src/index.rs:44:18
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub async fn add_entry(&mut self, value: u64) -> Result<()> {
[INFO] [stdout]    |                  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `find_entry`
[INFO] [stdout]   --> src/index.rs:53:18
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub async fn find_entry(&mut self, offset: u64) -> Result<u64> {
[INFO] [stdout]    |                  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `size`
[INFO] [stdout]   --> src/index.rs:62:18
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub async fn size(&self) -> u64 {
[INFO] [stdout]    |                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Ledger`
[INFO] [stdout]  --> src/ledger.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Ledger {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/ledger.rs:14:18
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub async fn new(location: &Path, segment_size: u64) -> Result<Ledger> {
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `open`
[INFO] [stdout]   --> src/ledger.rs:25:18
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub async fn open(location: &Path, id: String, segment_size: u64) -> Result<Option<Ledger>> {
[INFO] [stdout]    |                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add`
[INFO] [stdout]   --> src/ledger.rs:38:18
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub async fn add(&mut self, segment_id: u64, entries: Vec<Vec<u8>>) -> Result<()> {
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `stream`
[INFO] [stdout]   --> src/ledger.rs:48:18
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub async fn stream<T>(
[INFO] [stdout]    |                  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `segment_size`
[INFO] [stdout]   --> src/ledger.rs:64:18
[INFO] [stdout]    |
[INFO] [stdout] 64 |     pub async fn segment_size(&self, segment_id: u64) -> u64 {
[INFO] [stdout]    |                  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Log`
[INFO] [stdout]  --> src/log.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Log {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/log.rs:14:18
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub async fn new(location: &PathBuf, id: u64) -> Result<Log> {
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `open`
[INFO] [stdout]   --> src/log.rs:20:18
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub async fn open(location: &PathBuf, id: u64) -> Result<Log> {
[INFO] [stdout]    |                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_entry`
[INFO] [stdout]   --> src/log.rs:27:18
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub async fn add_entry(&mut self, offset: u64, entry: Vec<u8>) -> Result<()> {
[INFO] [stdout]    |                  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `stream_entries`
[INFO] [stdout]   --> src/log.rs:41:18
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub async fn stream_entries<T>(
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `size`
[INFO] [stdout]   --> src/log.rs:60:18
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub async fn size(&self) -> u64 {
[INFO] [stdout]    |                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Segments`
[INFO] [stdout]  --> src/segment.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Segments {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `open`
[INFO] [stdout]   --> src/segment.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn open(location: PathBuf) -> Result<Segments> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `create`
[INFO] [stdout]   --> src/segment.rs:23:18
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub async fn create(&mut self, id: u64) -> Result<&mut Segment> {
[INFO] [stdout]    |                  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get`
[INFO] [stdout]   --> src/segment.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn get(&self, id: u64) -> Option<&Segment> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `create_if_absent`
[INFO] [stdout]   --> src/segment.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn create_if_absent(&mut self, id: u64) -> &mut Segment {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_mut`
[INFO] [stdout]   --> src/segment.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn get_mut(&mut self, id: u64) -> Option<&mut Segment> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `len`
[INFO] [stdout]   --> src/segment.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn len(&self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Segment`
[INFO] [stdout]   --> src/segment.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub struct Segment {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/segment.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn new(location: PathBuf, id: u64) -> Segment {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add`
[INFO] [stdout]   --> src/segment.rs:65:18
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub async fn add(&mut self, entries: Vec<Vec<u8>>) -> Result<()> {
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `stream`
[INFO] [stdout]   --> src/segment.rs:74:18
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub async fn stream<T>(&mut self, offset: u64, bytes: usize, target: &mut T) -> Result<()>
[INFO] [stdout]    |                  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `size`
[INFO] [stdout]   --> src/segment.rs:84:18
[INFO] [stdout]    |
[INFO] [stdout] 84 |     pub async fn size(&self) -> u64 {
[INFO] [stdout]    |                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `create_a_test_directory`
[INFO] [stdout]  --> src/test_util.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn create_a_test_directory() -> PathBuf {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Result`
[INFO] [stdout]  --> src/types.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub type Result<T> = std::result::Result<T, Error>;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SegmentFull`
[INFO] [stdout]  --> src/types.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     SegmentFull(u64),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_segment_full`
[INFO] [stdout]   --> src/types.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn is_segment_full(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 51 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::runtime::Runtime`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use tokio::runtime::Runtime;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::runtime::Runtime`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use tokio::runtime::Runtime;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.11s
[INFO] running `Command { std: "docker" "inspect" "f224074104a5b78453c2599d75d60bb054fdc1bd884c378588134578585a4b72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f224074104a5b78453c2599d75d60bb054fdc1bd884c378588134578585a4b72", kill_on_drop: false }`
[INFO] [stdout] f224074104a5b78453c2599d75d60bb054fdc1bd884c378588134578585a4b72