[INFO] cloning repository https://github.com/nthend/hllv
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnthend%2Fhllv'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 54fc75cdc06cb37ce6d45c5a47eefe9b65238cea
[INFO] testing nthend/hllv against 1.75.0 for beta-1.76-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnthend%2Fhllv" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nthend/hllv on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/nthend/hllv 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded indoc-impl v0.3.3
[INFO] [stderr]   Downloaded unindent v0.1.3
[INFO] [stderr]   Downloaded indoc v0.3.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0f6bd6405b43cff3416cc4190b3b97055cbbcf87aeb2ac5b761f695886f2eecc
[INFO] running `Command { std: "docker" "start" "-a" "0f6bd6405b43cff3416cc4190b3b97055cbbcf87aeb2ac5b761f695886f2eecc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f6bd6405b43cff3416cc4190b3b97055cbbcf87aeb2ac5b761f695886f2eecc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f6bd6405b43cff3416cc4190b3b97055cbbcf87aeb2ac5b761f695886f2eecc", kill_on_drop: false }`
[INFO] [stdout] 0f6bd6405b43cff3416cc4190b3b97055cbbcf87aeb2ac5b761f695886f2eecc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f5d03195a92e07f97ac88ef02f379dd10e4f2bac7ae89b3bb788494385b27ec7
[INFO] running `Command { std: "docker" "start" "-a" "f5d03195a92e07f97ac88ef02f379dd10e4f2bac7ae89b3bb788494385b27ec7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[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]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling unindent v0.1.3
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling proc-macro-hack v0.5.8
[INFO] [stderr]    Compiling indoc-impl v0.3.3
[INFO] [stderr]    Compiling serde_json v1.0.40
[INFO] [stderr]    Compiling indoc v0.3.3
[INFO] [stderr]    Compiling hllv v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Metadata`
[INFO] [stdout]  --> src/repo/fsx/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Metadata,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fs`
[INFO] [stdout]  --> src/repo/db/history.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     io, fs,
[INFO] [stdout]   |         ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fsx`
[INFO] [stdout]  --> src/repo/db/history.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fsx, Id,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HashMap`, `PathBuf`, `Path`, `fs`, `io`
[INFO] [stdout]  --> src/repo/db/data.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     io, fs,
[INFO] [stdout]   |     ^^  ^^
[INFO] [stdout] 3 |     path::{Path, PathBuf},
[INFO] [stdout]   |            ^^^^  ^^^^^^^
[INFO] [stdout] 4 |     collections::{HashSet, HashMap},
[INFO] [stdout]   |                            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fsx`
[INFO] [stdout]  --> src/repo/db/data.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fsx, Id, Tree,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `net::ToSocketAddrs`
[INFO] [stdout]  --> src/repo/db/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     net::ToSocketAddrs,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PathBuf`
[INFO] [stdout]  --> src/repo/repo.rs:3:18
[INFO] [stdout]   |
[INFO] [stdout] 3 |     path::{Path, PathBuf},
[INFO] [stdout]   |                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]   --> src/repo/db/history.rs:24:18
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn from_file(path: &Path) -> io::Result<Self> {
[INFO] [stdout]    |                  ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stream`
[INFO] [stdout]   --> src/repo/repo.rs:23:41
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn push<S: Read + Write>(&self, stream: S) -> io::Result<()> {
[INFO] [stdout]    |                                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stream`
[INFO] [stdout]   --> src/repo/repo.rs:26:45
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn pull<S: Read + Write>(&mut self, stream: S) -> io::Result<()> {
[INFO] [stdout]    |                                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cwd`
[INFO] [stdout]   --> src/api.rs:25:15
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn listen(cwd: &Path, addr: (&str, u16)) -> io::Result<()> {
[INFO] [stdout]    |               ^^^ help: if this is intentional, prefix it with an underscore: `_cwd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]   --> src/api.rs:25:27
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn listen(cwd: &Path, addr: (&str, u16)) -> io::Result<()> {
[INFO] [stdout]    |                           ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cwd`
[INFO] [stdout]   --> src/api.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn push(cwd: &Path, addr: (&str, u16), name: &Path) -> io::Result<()> {
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_cwd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]   --> src/api.rs:28:25
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn push(cwd: &Path, addr: (&str, u16), name: &Path) -> io::Result<()> {
[INFO] [stdout]    |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/api.rs:28:44
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn push(cwd: &Path, addr: (&str, u16), name: &Path) -> io::Result<()> {
[INFO] [stdout]    |                                            ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cwd`
[INFO] [stdout]   --> src/api.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn pull(cwd: &Path, addr: (&str, u16), name: &Path) -> io::Result<()> {
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_cwd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]   --> src/api.rs:31:25
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn pull(cwd: &Path, addr: (&str, u16), name: &Path) -> io::Result<()> {
[INFO] [stdout]    |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/api.rs:31:44
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn pull(cwd: &Path, addr: (&str, u16), name: &Path) -> io::Result<()> {
[INFO] [stdout]    |                                            ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `check_file` is never used
[INFO] [stdout]   --> src/repo/fsx/metadata.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl<'a> Metadata<'a> {
[INFO] [stdout]    | --------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub fn check_file(&self) -> io::Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Id` is never used
[INFO] [stdout]   --> src/repo/db/mod.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub type Id = [u8; 32];
[INFO] [stdout]    |          ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `path` and `lock` are never read
[INFO] [stdout]   --> src/repo/db/mod.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Db {
[INFO] [stdout]    |            -- fields in this struct
[INFO] [stdout] 16 |     path: PathBuf,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 17 |     lock: fs::File,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `path` is never used
[INFO] [stdout]   --> src/repo/db/mod.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl Db {
[INFO] [stdout]    | ------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 52 |     pub fn path(&self) -> &Path {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Tree` is never constructed
[INFO] [stdout]   --> src/repo/db/history.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Tree {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `History` is never constructed
[INFO] [stdout]   --> src/repo/db/history.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct History {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new` and `from_file` are never used
[INFO] [stdout]   --> src/repo/db/history.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl Tree {
[INFO] [stdout]    | --------- associated functions in this implementation
[INFO] [stdout] 21 |     fn new(files: HashMap<PathBuf, Id>) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     fn from_file(path: &Path) -> io::Result<Self> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Pool` is never constructed
[INFO] [stdout]   --> src/repo/db/data.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Pool {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Data` is never constructed
[INFO] [stdout]   --> src/repo/db/data.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Data {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `db` is never read
[INFO] [stdout]  --> src/repo/repo.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Repo {
[INFO] [stdout]   |            ---- field in this struct
[INFO] [stdout] 8 |     db: Db,
[INFO] [stdout]   |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `open`, `path`, `push`, and `pull` are never used
[INFO] [stdout]   --> src/repo/repo.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Repo {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub fn open(path: &Path) -> io::Result<Self> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub fn path(&self) -> &Path {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub fn push<S: Read + Write>(&self, stream: S) -> io::Result<()> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn pull<S: Read + Write>(&mut self, stream: S) -> io::Result<()> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 29 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.48s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "f5d03195a92e07f97ac88ef02f379dd10e4f2bac7ae89b3bb788494385b27ec7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5d03195a92e07f97ac88ef02f379dd10e4f2bac7ae89b3bb788494385b27ec7", kill_on_drop: false }`
[INFO] [stdout] f5d03195a92e07f97ac88ef02f379dd10e4f2bac7ae89b3bb788494385b27ec7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3d20ae591d4161998e67e2c6f8d125808f14458091340055eb934288353234a
[INFO] running `Command { std: "docker" "start" "-a" "e3d20ae591d4161998e67e2c6f8d125808f14458091340055eb934288353234a", kill_on_drop: false }`
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling hllv v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Metadata`
[INFO] [stdout]  --> src/repo/fsx/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Metadata,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fs`
[INFO] [stdout]  --> src/repo/db/history.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     io, fs,
[INFO] [stdout]   |         ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fsx`
[INFO] [stdout]  --> src/repo/db/history.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fsx, Id,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HashMap`, `PathBuf`, `Path`, `fs`, `io`
[INFO] [stdout]  --> src/repo/db/data.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     io, fs,
[INFO] [stdout]   |     ^^  ^^
[INFO] [stdout] 3 |     path::{Path, PathBuf},
[INFO] [stdout]   |            ^^^^  ^^^^^^^
[INFO] [stdout] 4 |     collections::{HashSet, HashMap},
[INFO] [stdout]   |                            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fsx`
[INFO] [stdout]  --> src/repo/db/data.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fsx, Id, Tree,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `net::ToSocketAddrs`
[INFO] [stdout]  --> src/repo/db/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     net::ToSocketAddrs,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PathBuf`
[INFO] [stdout]  --> src/repo/repo.rs:3:18
[INFO] [stdout]   |
[INFO] [stdout] 3 |     path::{Path, PathBuf},
[INFO] [stdout]   |                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]   --> src/repo/db/history.rs:24:18
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn from_file(path: &Path) -> io::Result<Self> {
[INFO] [stdout]    |                  ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stream`
[INFO] [stdout]   --> src/repo/repo.rs:23:41
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn push<S: Read + Write>(&self, stream: S) -> io::Result<()> {
[INFO] [stdout]    |                                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stream`
[INFO] [stdout]   --> src/repo/repo.rs:26:45
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn pull<S: Read + Write>(&mut self, stream: S) -> io::Result<()> {
[INFO] [stdout]    |                                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cwd`
[INFO] [stdout]   --> src/api.rs:25:15
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn listen(cwd: &Path, addr: (&str, u16)) -> io::Result<()> {
[INFO] [stdout]    |               ^^^ help: if this is intentional, prefix it with an underscore: `_cwd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]   --> src/api.rs:25:27
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn listen(cwd: &Path, addr: (&str, u16)) -> io::Result<()> {
[INFO] [stdout]    |                           ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cwd`
[INFO] [stdout]   --> src/api.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn push(cwd: &Path, addr: (&str, u16), name: &Path) -> io::Result<()> {
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_cwd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]   --> src/api.rs:28:25
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn push(cwd: &Path, addr: (&str, u16), name: &Path) -> io::Result<()> {
[INFO] [stdout]    |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/api.rs:28:44
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn push(cwd: &Path, addr: (&str, u16), name: &Path) -> io::Result<()> {
[INFO] [stdout]    |                                            ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cwd`
[INFO] [stdout]   --> src/api.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn pull(cwd: &Path, addr: (&str, u16), name: &Path) -> io::Result<()> {
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_cwd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]   --> src/api.rs:31:25
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn pull(cwd: &Path, addr: (&str, u16), name: &Path) -> io::Result<()> {
[INFO] [stdout]    |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/api.rs:31:44
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn pull(cwd: &Path, addr: (&str, u16), name: &Path) -> io::Result<()> {
[INFO] [stdout]    |                                            ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `check_file` is never used
[INFO] [stdout]   --> src/repo/fsx/metadata.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl<'a> Metadata<'a> {
[INFO] [stdout]    | --------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub fn check_file(&self) -> io::Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Id` is never used
[INFO] [stdout]   --> src/repo/db/mod.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub type Id = [u8; 32];
[INFO] [stdout]    |          ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `path` and `lock` are never read
[INFO] [stdout]   --> src/repo/db/mod.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Db {
[INFO] [stdout]    |            -- fields in this struct
[INFO] [stdout] 16 |     path: PathBuf,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 17 |     lock: fs::File,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `path` is never used
[INFO] [stdout]   --> src/repo/db/mod.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl Db {
[INFO] [stdout]    | ------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 52 |     pub fn path(&self) -> &Path {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Tree` is never constructed
[INFO] [stdout]   --> src/repo/db/history.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Tree {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `History` is never constructed
[INFO] [stdout]   --> src/repo/db/history.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct History {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new` and `from_file` are never used
[INFO] [stdout]   --> src/repo/db/history.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl Tree {
[INFO] [stdout]    | --------- associated functions in this implementation
[INFO] [stdout] 21 |     fn new(files: HashMap<PathBuf, Id>) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     fn from_file(path: &Path) -> io::Result<Self> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Pool` is never constructed
[INFO] [stdout]   --> src/repo/db/data.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Pool {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Data` is never constructed
[INFO] [stdout]   --> src/repo/db/data.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Data {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `db` is never read
[INFO] [stdout]  --> src/repo/repo.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Repo {
[INFO] [stdout]   |            ---- field in this struct
[INFO] [stdout] 8 |     db: Db,
[INFO] [stdout]   |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `path`, `push`, and `pull` are never used
[INFO] [stdout]   --> src/repo/repo.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Repo {
[INFO] [stdout]    | --------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub fn path(&self) -> &Path {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub fn push<S: Read + Write>(&self, stream: S) -> io::Result<()> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn pull<S: Read + Write>(&mut self, stream: S) -> io::Result<()> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 29 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.62s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "e3d20ae591d4161998e67e2c6f8d125808f14458091340055eb934288353234a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3d20ae591d4161998e67e2c6f8d125808f14458091340055eb934288353234a", kill_on_drop: false }`
[INFO] [stdout] e3d20ae591d4161998e67e2c6f8d125808f14458091340055eb934288353234a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1bbc2870f019476090e827fec48299ce6434c075376c34718deb39e5719c1463
[INFO] running `Command { std: "docker" "start" "-a" "1bbc2870f019476090e827fec48299ce6434c075376c34718deb39e5719c1463", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Metadata`
[INFO] [stderr]  --> src/repo/fsx/mod.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     Metadata,
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[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] 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 `check_file` is never used
[INFO] [stderr]   --> src/repo/fsx/metadata.rs:27:12
[INFO] [stderr]    |
[INFO] [stderr] 13 | impl<'a> Metadata<'a> {
[INFO] [stderr]    | --------------------- method in this implementation
[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: type alias `Id` is never used
[INFO] [stderr]   --> src/repo/db/mod.rs:13:10
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub type Id = [u8; 32];
[INFO] [stderr]    |          ^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `path` and `lock` are never read
[INFO] [stderr]   --> src/repo/db/mod.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub struct Db {
[INFO] [stderr]    |            -- fields in this struct
[INFO] [stderr] 16 |     path: PathBuf,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 17 |     lock: fs::File,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `path` is never used
[INFO] [stderr]   --> src/repo/db/mod.rs:52:12
[INFO] [stderr]    |
[INFO] [stderr] 20 | impl Db {
[INFO] [stderr]    | ------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 52 |     pub fn path(&self) -> &Path {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Tree` is never constructed
[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 `History` is never constructed
[INFO] [stderr]   --> src/repo/db/history.rs:16:12
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub struct History {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated functions `new` and `from_file` are never used
[INFO] [stderr]   --> src/repo/db/history.rs:21:8
[INFO] [stderr]    |
[INFO] [stderr] 20 | impl Tree {
[INFO] [stderr]    | --------- associated functions in this implementation
[INFO] [stderr] 21 |     fn new(files: HashMap<PathBuf, Id>) -> Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 24 |     fn from_file(path: &Path) -> io::Result<Self> {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Pool` is never constructed
[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 `Data` is never constructed
[INFO] [stderr]   --> src/repo/db/data.rs:16:12
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub struct Data {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `db` is never read
[INFO] [stderr]  --> src/repo/repo.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub struct Repo {
[INFO] [stderr]   |            ---- field in this struct
[INFO] [stderr] 8 |     db: Db,
[INFO] [stderr]   |     ^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `path`, `push`, and `pull` are never used
[INFO] [stderr]   --> src/repo/repo.rs:19:12
[INFO] [stderr]    |
[INFO] [stderr] 10 | impl Repo {
[INFO] [stderr]    | --------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 19 |     pub fn path(&self) -> &Path {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 23 |     pub fn push<S: Read + Write>(&self, stream: S) -> io::Result<()> {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 26 |     pub fn pull<S: Read + Write>(&mut self, stream: S) -> io::Result<()> {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `hllv` (bin "hllv" test) generated 29 warnings (run `cargo fix --bin "hllv" --tests` to apply 18 suggestions)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/hllv-7b76cdfa568ce900)
[INFO] [stdout] 
[INFO] [stdout] running 28 tests
[INFO] [stdout] test cli::test::empty ... ok
[INFO] [stdout] test cli::test::init ... ok
[INFO] [stdout] test cli::test::help ... ok
[INFO] [stdout] test cli::test::help_extra ... ok
[INFO] [stdout] test cli::test::init_extra ... ok
[INFO] [stdout] test cli::test::listen_addr ... ok
[INFO] [stdout] test cli::test::listen_addr_port ... ok
[INFO] [stdout] test cli::test::listen_bad_port ... ok
[INFO] [stdout] test cli::test::listen_default ... ok
[INFO] [stdout] test cli::test::listen_extra ... ok
[INFO] [stdout] test cli::test::new_empty ... ok
[INFO] [stdout] test cli::test::new_extra ... ok
[INFO] [stdout] test cli::test::new_name ... ok
[INFO] [stdout] test cli::test::pull_addr ... ok
[INFO] [stdout] test cli::test::pull_addr_only ... ok
[INFO] [stdout] test cli::test::pull_addr_port ... ok
[INFO] [stdout] test cli::test::pull_empty ... ok
[INFO] [stdout] test cli::test::pull_extra ... ok
[INFO] [stdout] test cli::test::push_addr ... ok
[INFO] [stdout] test cli::test::push_addr_only ... ok
[INFO] [stdout] test cli::test::push_empty ... ok
[INFO] [stdout] test cli::test::push_extra ... ok
[INFO] [stdout] test cli::test::push_addr_port ... ok
[INFO] [stdout] test repo::test::new ... ok
[INFO] [stdout] test repo::test::open ... ok
[INFO] [stdout] test repo::test::new_create ... ok
[INFO] [stdout] test repo::test::open_twice ... ok
[INFO] [stdout] test repo::test::new_twice ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 28 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1bbc2870f019476090e827fec48299ce6434c075376c34718deb39e5719c1463", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bbc2870f019476090e827fec48299ce6434c075376c34718deb39e5719c1463", kill_on_drop: false }`
[INFO] [stdout] 1bbc2870f019476090e827fec48299ce6434c075376c34718deb39e5719c1463
