[INFO] updating cached repository nthend/hllv
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/nthend/hllv
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/nthend/hllv" "work/ex/beta-1.38-1/sources/1.37.0/gh/nthend/hllv"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/nthend/hllv'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/nthend/hllv" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nthend/hllv"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nthend/hllv'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 54fc75cdc06cb37ce6d45c5a47eefe9b65238cea
[INFO] sha for GitHub repo nthend/hllv: 54fc75cdc06cb37ce6d45c5a47eefe9b65238cea
[INFO] validating manifest of nthend/hllv on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of nthend/hllv on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing nthend/hllv
[INFO] finished frobbing nthend/hllv
[INFO] frobbed toml for nthend/hllv written to work/ex/beta-1.38-1/sources/1.37.0/gh/nthend/hllv/Cargo.toml
[INFO] started frobbing nthend/hllv
[INFO] finished frobbing nthend/hllv
[INFO] frobbed toml for nthend/hllv written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nthend/hllv/Cargo.toml
[INFO] crate nthend/hllv already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing nthend/hllv against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/nthend/hllv:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 903f2741158a1696a054fe7ca5ef8eaedde3c4b89d11b6c3c4d6384bde44e20c
[INFO] running `"docker" "start" "-a" "903f2741158a1696a054fe7ca5ef8eaedde3c4b89d11b6c3c4d6384bde44e20c"`
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]    Compiling serde v1.0.97
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling proc-macro-hack v0.5.8
[INFO] [stderr]    Compiling indoc-impl v0.3.3
[INFO] [stderr]    Compiling indoc v0.3.3
[INFO] [stderr]    Compiling serde_json v1.0.40
[INFO] [stderr]    Compiling hllv v0.1.0 (/opt/crater/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 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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:12:1
[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:16:1
[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:12:1
[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:16:1
[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 used: `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 used: `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 used: `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]     Finished dev [unoptimized + debuginfo] target(s) in 30.06s
[INFO] running `"docker" "inspect" "903f2741158a1696a054fe7ca5ef8eaedde3c4b89d11b6c3c4d6384bde44e20c"`
[INFO] running `"docker" "rm" "-f" "903f2741158a1696a054fe7ca5ef8eaedde3c4b89d11b6c3c4d6384bde44e20c"`
[INFO] [stdout] 903f2741158a1696a054fe7ca5ef8eaedde3c4b89d11b6c3c4d6384bde44e20c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/nthend/hllv:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 34854ec5b9ec36dbf32ad51065a8bb6b47ff6160c14917fad3fa32e3a90b3f15
[INFO] running `"docker" "start" "-a" "34854ec5b9ec36dbf32ad51065a8bb6b47ff6160c14917fad3fa32e3a90b3f15"`
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling hllv v0.1.0 (/opt/crater/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 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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:12:1
[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:16:1
[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:12:1
[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:16:1
[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 used: `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 used: `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 used: `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]     Finished dev [unoptimized + debuginfo] target(s) in 3.01s
[INFO] running `"docker" "inspect" "34854ec5b9ec36dbf32ad51065a8bb6b47ff6160c14917fad3fa32e3a90b3f15"`
[INFO] running `"docker" "rm" "-f" "34854ec5b9ec36dbf32ad51065a8bb6b47ff6160c14917fad3fa32e3a90b3f15"`
[INFO] [stdout] 34854ec5b9ec36dbf32ad51065a8bb6b47ff6160c14917fad3fa32e3a90b3f15
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/nthend/hllv:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 7be185229458f6a59713f3ad1a4ea4a079184ea1e99ec3d7dd86560d26af5d6d
[INFO] running `"docker" "start" "-a" "7be185229458f6a59713f3ad1a4ea4a079184ea1e99ec3d7dd86560d26af5d6d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/hllv-671eb42324634964
[INFO] [stdout] 
[INFO] [stdout] running 28 tests
[INFO] [stdout] test cli::test::init ... ok
[INFO] [stdout] test cli::test::help_extra ... ok
[INFO] [stdout] test cli::test::init_extra ... ok
[INFO] [stdout] test cli::test::listen_bad_port ... ok
[INFO] [stdout] test cli::test::listen_addr ... ok
[INFO] [stdout] test cli::test::listen_default ... ok
[INFO] [stdout] test cli::test::listen_addr_port ... ok
[INFO] [stdout] test cli::test::empty ... ok
[INFO] [stdout] test cli::test::new_extra ... ok
[INFO] [stdout] test cli::test::listen_extra ... ok
[INFO] [stdout] test cli::test::new_empty ... ok
[INFO] [stdout] test cli::test::pull_addr_only ... ok
[INFO] [stdout] test cli::test::new_name ... ok
[INFO] [stdout] test cli::test::help ... ok
[INFO] [stdout] test cli::test::pull_addr ... ok
[INFO] [stdout] test cli::test::pull_extra ... ok
[INFO] [stdout] test cli::test::pull_addr_port ... ok
[INFO] [stdout] test cli::test::pull_empty ... ok
[INFO] [stdout] test cli::test::push_addr ... ok
[INFO] [stdout] test cli::test::push_addr_only ... ok
[INFO] [stdout] test cli::test::push_addr_port ... ok
[INFO] [stdout] test cli::test::push_extra ... ok
[INFO] [stdout] test cli::test::push_empty ... ok
[INFO] [stdout] test repo::test::open_twice ... 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::new_twice ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 28 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "7be185229458f6a59713f3ad1a4ea4a079184ea1e99ec3d7dd86560d26af5d6d"`
[INFO] running `"docker" "rm" "-f" "7be185229458f6a59713f3ad1a4ea4a079184ea1e99ec3d7dd86560d26af5d6d"`
[INFO] [stdout] 7be185229458f6a59713f3ad1a4ea4a079184ea1e99ec3d7dd86560d26af5d6d