[INFO] cloning repository https://github.com/nthend/hllv
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nthend/hllv" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnthend%2Fhllv"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnthend%2Fhllv'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 54fc75cdc06cb37ce6d45c5a47eefe9b65238cea
[INFO] checking nthend/hllv against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnthend%2Fhllv" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nthend/hllv on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/nthend/hllv
[INFO] finished tweaking git repo https://github.com/nthend/hllv
[INFO] tweaked toml for git repo https://github.com/nthend/hllv written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/nthend/hllv already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 957e36d881c2b407c409d3f004ecd1fc161c5f9fc99b6e927eb5a91a4d065c7f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "957e36d881c2b407c409d3f004ecd1fc161c5f9fc99b6e927eb5a91a4d065c7f"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling serde v1.0.97
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]    Compiling proc-macro-hack v0.5.8
[INFO] [stderr]    Compiling indoc-impl v0.3.3
[INFO] [stderr]     Checking indoc v0.3.3
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking hllv v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `fs`
[INFO] [stderr]  --> src/repo/db/history.rs:2:9
[INFO] [stderr]   |
[INFO] [stderr] 2 |     io, fs,
[INFO] [stderr]   |         ^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fsx`
[INFO] [stderr]  --> src/repo/db/history.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     fsx, Id,
[INFO] [stderr]   |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `HashMap`, `PathBuf`, `Path`, `fs`, `io`
[INFO] [stderr]  --> src/repo/db/data.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     io, fs,
[INFO] [stderr]   |     ^^  ^^
[INFO] [stderr] 3 |     path::{Path, PathBuf},
[INFO] [stderr]   |            ^^^^  ^^^^^^^
[INFO] [stderr] 4 |     collections::{HashSet, HashMap},
[INFO] [stderr]   |                            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fsx`
[INFO] [stderr]  --> src/repo/db/data.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fsx, Id, Tree,
[INFO] [stderr]   |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `net::ToSocketAddrs`
[INFO] [stderr]  --> src/repo/db/mod.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     net::ToSocketAddrs,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `PathBuf`
[INFO] [stderr]  --> src/repo/repo.rs:3:18
[INFO] [stderr]   |
[INFO] [stderr] 3 |     path::{Path, PathBuf},
[INFO] [stderr]   |                  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fs`
[INFO] [stderr]  --> src/repo/db/history.rs:2:9
[INFO] [stderr]   |
[INFO] [stderr] 2 |     io, fs,
[INFO] [stderr]   |         ^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fsx`
[INFO] [stderr]  --> src/repo/db/history.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     fsx, Id,
[INFO] [stderr]   |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `HashMap`, `PathBuf`, `Path`, `fs`, `io`
[INFO] [stderr]  --> src/repo/db/data.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     io, fs,
[INFO] [stderr]   |     ^^  ^^
[INFO] [stderr] 3 |     path::{Path, PathBuf},
[INFO] [stderr]   |            ^^^^  ^^^^^^^
[INFO] [stderr] 4 |     collections::{HashSet, HashMap},
[INFO] [stderr]   |                            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fsx`
[INFO] [stderr]  --> src/repo/db/data.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fsx, Id, Tree,
[INFO] [stderr]   |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `net::ToSocketAddrs`
[INFO] [stderr]  --> src/repo/db/mod.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     net::ToSocketAddrs,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `PathBuf`
[INFO] [stderr]  --> src/repo/repo.rs:3:18
[INFO] [stderr]   |
[INFO] [stderr] 3 |     path::{Path, PathBuf},
[INFO] [stderr]   |                  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]   --> src/repo/db/history.rs:24:18
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn from_file(path: &Path) -> io::Result<Self> {
[INFO] [stderr]    |                  ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `stream`
[INFO] [stderr]   --> src/repo/repo.rs:23:41
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub fn push<S: Read + Write>(&self, stream: S) -> io::Result<()> {
[INFO] [stderr]    |                                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `stream`
[INFO] [stderr]   --> src/repo/repo.rs:26:45
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn pull<S: Read + Write>(&mut self, stream: S) -> io::Result<()> {
[INFO] [stderr]    |                                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cwd`
[INFO] [stderr]   --> src/api.rs:25:15
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn listen(cwd: &Path, addr: (&str, u16)) -> io::Result<()> {
[INFO] [stderr]    |               ^^^ help: if this is intentional, prefix it with an underscore: `_cwd`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `addr`
[INFO] [stderr]   --> src/api.rs:25:27
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn listen(cwd: &Path, addr: (&str, u16)) -> io::Result<()> {
[INFO] [stderr]    |                           ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cwd`
[INFO] [stderr]   --> src/api.rs:28:13
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn push(cwd: &Path, addr: (&str, u16), name: &Path) -> io::Result<()> {
[INFO] [stderr]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_cwd`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `addr`
[INFO] [stderr]   --> src/api.rs:28:25
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn push(cwd: &Path, addr: (&str, u16), name: &Path) -> io::Result<()> {
[INFO] [stderr]    |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]   --> src/api.rs:28:44
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn push(cwd: &Path, addr: (&str, u16), name: &Path) -> io::Result<()> {
[INFO] [stderr]    |                                            ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cwd`
[INFO] [stderr]   --> src/api.rs:31:13
[INFO] [stderr]    |
[INFO] [stderr] 31 |     fn pull(cwd: &Path, addr: (&str, u16), name: &Path) -> io::Result<()> {
[INFO] [stderr]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_cwd`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `addr`
[INFO] [stderr]   --> src/api.rs:31:25
[INFO] [stderr]    |
[INFO] [stderr] 31 |     fn pull(cwd: &Path, addr: (&str, u16), name: &Path) -> io::Result<()> {
[INFO] [stderr]    |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]   --> src/api.rs:31:44
[INFO] [stderr]    |
[INFO] [stderr] 31 |     fn pull(cwd: &Path, addr: (&str, u16), name: &Path) -> io::Result<()> {
[INFO] [stderr]    |                                            ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `check_file`
[INFO] [stderr]   --> src/repo/fsx/metadata.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn check_file(&self) -> io::Result<()> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Tree`
[INFO] [stderr]   --> src/repo/db/history.rs:12:12
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub struct Tree {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `History`
[INFO] [stderr]   --> src/repo/db/history.rs:16:12
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub struct History {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/repo/db/history.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     fn new(files: HashMap<PathBuf, Id>) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from_file`
[INFO] [stderr]   --> src/repo/db/history.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn from_file(path: &Path) -> io::Result<Self> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Pool`
[INFO] [stderr]   --> src/repo/db/data.rs:12:12
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub struct Pool {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Data`
[INFO] [stderr]   --> src/repo/db/data.rs:16:12
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub struct Data {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Id`
[INFO] [stderr]   --> src/repo/db/mod.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub type Id = [u8; 32];
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `path`
[INFO] [stderr]   --> src/repo/db/mod.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     path: PathBuf,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `lock`
[INFO] [stderr]   --> src/repo/db/mod.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     lock: fs::File,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `path`
[INFO] [stderr]   --> src/repo/db/mod.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 |     pub fn path(&self) -> &Path {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `db`
[INFO] [stderr]  --> src/repo/repo.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     db: Db,
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `open`
[INFO] [stderr]   --> src/repo/repo.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub fn open(path: &Path) -> io::Result<Self> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `path`
[INFO] [stderr]   --> src/repo/repo.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn path(&self) -> &Path {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `push`
[INFO] [stderr]   --> src/repo/repo.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub fn push<S: Read + Write>(&self, stream: S) -> io::Result<()> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `pull`
[INFO] [stderr]   --> src/repo/repo.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn pull<S: Read + Write>(&mut self, stream: S) -> io::Result<()> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 33 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]   --> src/repo/db/history.rs:24:18
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn from_file(path: &Path) -> io::Result<Self> {
[INFO] [stderr]    |                  ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `stream`
[INFO] [stderr]   --> src/repo/repo.rs:23:41
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub fn push<S: Read + Write>(&self, stream: S) -> io::Result<()> {
[INFO] [stderr]    |                                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `stream`
[INFO] [stderr]   --> src/repo/repo.rs:26:45
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn pull<S: Read + Write>(&mut self, stream: S) -> io::Result<()> {
[INFO] [stderr]    |                                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cwd`
[INFO] [stderr]   --> src/api.rs:25:15
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn listen(cwd: &Path, addr: (&str, u16)) -> io::Result<()> {
[INFO] [stderr]    |               ^^^ help: if this is intentional, prefix it with an underscore: `_cwd`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `addr`
[INFO] [stderr]   --> src/api.rs:25:27
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn listen(cwd: &Path, addr: (&str, u16)) -> io::Result<()> {
[INFO] [stderr]    |                           ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cwd`
[INFO] [stderr]   --> src/api.rs:28:13
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn push(cwd: &Path, addr: (&str, u16), name: &Path) -> io::Result<()> {
[INFO] [stderr]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_cwd`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `addr`
[INFO] [stderr]   --> src/api.rs:28:25
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn push(cwd: &Path, addr: (&str, u16), name: &Path) -> io::Result<()> {
[INFO] [stderr]    |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]   --> src/api.rs:28:44
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn push(cwd: &Path, addr: (&str, u16), name: &Path) -> io::Result<()> {
[INFO] [stderr]    |                                            ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cwd`
[INFO] [stderr]   --> src/api.rs:31:13
[INFO] [stderr]    |
[INFO] [stderr] 31 |     fn pull(cwd: &Path, addr: (&str, u16), name: &Path) -> io::Result<()> {
[INFO] [stderr]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_cwd`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `addr`
[INFO] [stderr]   --> src/api.rs:31:25
[INFO] [stderr]    |
[INFO] [stderr] 31 |     fn pull(cwd: &Path, addr: (&str, u16), name: &Path) -> io::Result<()> {
[INFO] [stderr]    |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]   --> src/api.rs:31:44
[INFO] [stderr]    |
[INFO] [stderr] 31 |     fn pull(cwd: &Path, addr: (&str, u16), name: &Path) -> io::Result<()> {
[INFO] [stderr]    |                                            ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `check_file`
[INFO] [stderr]   --> src/repo/fsx/metadata.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn check_file(&self) -> io::Result<()> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Tree`
[INFO] [stderr]   --> src/repo/db/history.rs:12:12
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub struct Tree {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `History`
[INFO] [stderr]   --> src/repo/db/history.rs:16:12
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub struct History {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/repo/db/history.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     fn new(files: HashMap<PathBuf, Id>) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from_file`
[INFO] [stderr]   --> src/repo/db/history.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn from_file(path: &Path) -> io::Result<Self> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Pool`
[INFO] [stderr]   --> src/repo/db/data.rs:12:12
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub struct Pool {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Data`
[INFO] [stderr]   --> src/repo/db/data.rs:16:12
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub struct Data {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Id`
[INFO] [stderr]   --> src/repo/db/mod.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub type Id = [u8; 32];
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `path`
[INFO] [stderr]   --> src/repo/db/mod.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     path: PathBuf,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `lock`
[INFO] [stderr]   --> src/repo/db/mod.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     lock: fs::File,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `path`
[INFO] [stderr]   --> src/repo/db/mod.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 |     pub fn path(&self) -> &Path {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `db`
[INFO] [stderr]  --> src/repo/repo.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     db: Db,
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `path`
[INFO] [stderr]   --> src/repo/repo.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn path(&self) -> &Path {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `push`
[INFO] [stderr]   --> src/repo/repo.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub fn push<S: Read + Write>(&self, stream: S) -> io::Result<()> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `pull`
[INFO] [stderr]   --> src/repo/repo.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn pull<S: Read + Write>(&mut self, stream: S) -> io::Result<()> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 32 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.76s
[INFO] running `"docker" "inspect" "957e36d881c2b407c409d3f004ecd1fc161c5f9fc99b6e927eb5a91a4d065c7f"`
[INFO] running `"docker" "rm" "-f" "957e36d881c2b407c409d3f004ecd1fc161c5f9fc99b6e927eb5a91a4d065c7f"`
[INFO] [stdout] 957e36d881c2b407c409d3f004ecd1fc161c5f9fc99b6e927eb5a91a4d065c7f