[INFO] updating cached repository https://github.com/sepiropht/git-rs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 319c0432948e19bdd3b9664372d49fe856da9509
[INFO] testing sepiropht/git-rs against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsepiropht%2Fgit-rs" "/workspace/builds/worker-13/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sepiropht/git-rs on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/sepiropht/git-rs
[INFO] finished tweaking git repo https://github.com/sepiropht/git-rs
[INFO] tweaked toml for git repo https://github.com/sepiropht/git-rs written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/sepiropht/git-rs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=warn" "-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" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7062a244a22d064a450a1c4f9e2e964c19114e8512dbc77e061bba59d9d8a7e0
[INFO] running `"docker" "start" "-a" "7062a244a22d064a450a1c4f9e2e964c19114e8512dbc77e061bba59d9d8a7e0"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling regex v1.1.6
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling git-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::io::Write`
[INFO] [stderr]  --> src/commit.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::Write;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crypto::sha1::Sha1`
[INFO] [stderr]  --> src/commit.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crypto::sha1::Sha1;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crypto::digest::Digest`
[INFO] [stderr]  --> src/commit.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use crypto::digest::Digest;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `regex::Regex`
[INFO] [stderr]  --> src/commit.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use regex::Regex;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::error::TgitError`
[INFO] [stderr]  --> src/commit.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use super::error::TgitError;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::index::Index`
[INFO] [stderr]  --> src/commit.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use super::index::Index;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/file.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 33 | /     loop {
[INFO] [stderr] 34 | |       if FileService::is_tgit(&current_dir) {
[INFO] [stderr] 35 | |         return Ok(current_dir);
[INFO] [stderr] 36 | |       }
[INFO] [stderr] ...  |
[INFO] [stderr] 39 | |       }
[INFO] [stderr] 40 | |     }
[INFO] [stderr]    | |_____- any code following this expression is unreachable
[INFO] [stderr] 41 |       Ok(current_dir)
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/file.rs:56:9
[INFO] [stderr]    |
[INFO] [stderr] 56 |     let mut ref_path = ref_path.split_off(6);
[INFO] [stderr]    |         ----^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `InvalidCommit`
[INFO] [stderr]  --> src/error.rs:7:3
[INFO] [stderr]   |
[INFO] [stderr] 7 |   InvalidCommit,
[INFO] [stderr]   |   ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Tree`
[INFO] [stderr]  --> src/types.rs:8:10
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub enum Tree {
[INFO] [stderr]   |          ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `print`
[INFO] [stderr]   --> src/index.rs:44:10
[INFO] [stderr]    |
[INFO] [stderr] 44 |   pub fn print(&self) {
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `clear`
[INFO] [stderr]   --> src/index.rs:58:10
[INFO] [stderr]    |
[INFO] [stderr] 58 |   pub fn clear(&mut self) -> io::Result<()> {
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_head_ref`
[INFO] [stderr]   --> src/file.rs:52:10
[INFO] [stderr]    |
[INFO] [stderr] 52 |   pub fn get_head_ref(&self) -> io::Result<PathBuf> {
[INFO] [stderr]    |          ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Commit`
[INFO] [stderr]   --> src/commit.rs:10:12
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub struct Commit {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/index.rs:53:7
[INFO] [stderr]    |
[INFO] [stderr] 53 |       writeln!(&mut index, "{} {}",  hash, path);
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 15 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.33s
[INFO] running `"docker" "inspect" "7062a244a22d064a450a1c4f9e2e964c19114e8512dbc77e061bba59d9d8a7e0"`
[INFO] running `"docker" "rm" "-f" "7062a244a22d064a450a1c4f9e2e964c19114e8512dbc77e061bba59d9d8a7e0"`
[INFO] [stdout] 7062a244a22d064a450a1c4f9e2e964c19114e8512dbc77e061bba59d9d8a7e0
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=warn" "-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" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b9cb13d0d6a53da72ba3fe4ed81ac1550dff7fb8eba3d0e3f18547f2e5a72b4c
[INFO] running `"docker" "start" "-a" "b9cb13d0d6a53da72ba3fe4ed81ac1550dff7fb8eba3d0e3f18547f2e5a72b4c"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling git-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::io::Write`
[INFO] [stderr]  --> src/commit.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::Write;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crypto::sha1::Sha1`
[INFO] [stderr]  --> src/commit.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crypto::sha1::Sha1;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crypto::digest::Digest`
[INFO] [stderr]  --> src/commit.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use crypto::digest::Digest;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `regex::Regex`
[INFO] [stderr]  --> src/commit.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use regex::Regex;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::error::TgitError`
[INFO] [stderr]  --> src/commit.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use super::error::TgitError;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::index::Index`
[INFO] [stderr]  --> src/commit.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use super::index::Index;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/file.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 33 | /     loop {
[INFO] [stderr] 34 | |       if FileService::is_tgit(&current_dir) {
[INFO] [stderr] 35 | |         return Ok(current_dir);
[INFO] [stderr] 36 | |       }
[INFO] [stderr] ...  |
[INFO] [stderr] 39 | |       }
[INFO] [stderr] 40 | |     }
[INFO] [stderr]    | |_____- any code following this expression is unreachable
[INFO] [stderr] 41 |       Ok(current_dir)
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/file.rs:56:9
[INFO] [stderr]    |
[INFO] [stderr] 56 |     let mut ref_path = ref_path.split_off(6);
[INFO] [stderr]    |         ----^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `InvalidCommit`
[INFO] [stderr]  --> src/error.rs:7:3
[INFO] [stderr]   |
[INFO] [stderr] 7 |   InvalidCommit,
[INFO] [stderr]   |   ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Tree`
[INFO] [stderr]  --> src/types.rs:8:10
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub enum Tree {
[INFO] [stderr]   |          ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `print`
[INFO] [stderr]   --> src/index.rs:44:10
[INFO] [stderr]    |
[INFO] [stderr] 44 |   pub fn print(&self) {
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `clear`
[INFO] [stderr]   --> src/index.rs:58:10
[INFO] [stderr]    |
[INFO] [stderr] 58 |   pub fn clear(&mut self) -> io::Result<()> {
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_head_ref`
[INFO] [stderr]   --> src/file.rs:52:10
[INFO] [stderr]    |
[INFO] [stderr] 52 |   pub fn get_head_ref(&self) -> io::Result<PathBuf> {
[INFO] [stderr]    |          ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Commit`
[INFO] [stderr]   --> src/commit.rs:10:12
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub struct Commit {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/index.rs:53:7
[INFO] [stderr]    |
[INFO] [stderr] 53 |       writeln!(&mut index, "{} {}",  hash, path);
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 15 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `"docker" "inspect" "b9cb13d0d6a53da72ba3fe4ed81ac1550dff7fb8eba3d0e3f18547f2e5a72b4c"`
[INFO] running `"docker" "rm" "-f" "b9cb13d0d6a53da72ba3fe4ed81ac1550dff7fb8eba3d0e3f18547f2e5a72b4c"`
[INFO] [stdout] b9cb13d0d6a53da72ba3fe4ed81ac1550dff7fb8eba3d0e3f18547f2e5a72b4c
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=warn" "-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" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 71c6bc023fd7f7a1329d91411193d9cd37848bfce5a217023839e44aa447d782
[INFO] running `"docker" "start" "-a" "71c6bc023fd7f7a1329d91411193d9cd37848bfce5a217023839e44aa447d782"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused import: `std::io::Write`
[INFO] [stderr]  --> src/commit.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::Write;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crypto::sha1::Sha1`
[INFO] [stderr]  --> src/commit.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crypto::sha1::Sha1;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crypto::digest::Digest`
[INFO] [stderr]  --> src/commit.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use crypto::digest::Digest;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `regex::Regex`
[INFO] [stderr]  --> src/commit.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use regex::Regex;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::error::TgitError`
[INFO] [stderr]  --> src/commit.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use super::error::TgitError;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::index::Index`
[INFO] [stderr]  --> src/commit.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use super::index::Index;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/file.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 33 | /     loop {
[INFO] [stderr] 34 | |       if FileService::is_tgit(&current_dir) {
[INFO] [stderr] 35 | |         return Ok(current_dir);
[INFO] [stderr] 36 | |       }
[INFO] [stderr] ...  |
[INFO] [stderr] 39 | |       }
[INFO] [stderr] 40 | |     }
[INFO] [stderr]    | |_____- any code following this expression is unreachable
[INFO] [stderr] 41 |       Ok(current_dir)
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/file.rs:56:9
[INFO] [stderr]    |
[INFO] [stderr] 56 |     let mut ref_path = ref_path.split_off(6);
[INFO] [stderr]    |         ----^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `InvalidCommit`
[INFO] [stderr]  --> src/error.rs:7:3
[INFO] [stderr]   |
[INFO] [stderr] 7 |   InvalidCommit,
[INFO] [stderr]   |   ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Tree`
[INFO] [stderr]  --> src/types.rs:8:10
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub enum Tree {
[INFO] [stderr]   |          ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `print`
[INFO] [stderr]   --> src/index.rs:44:10
[INFO] [stderr]    |
[INFO] [stderr] 44 |   pub fn print(&self) {
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `clear`
[INFO] [stderr]   --> src/index.rs:58:10
[INFO] [stderr]    |
[INFO] [stderr] 58 |   pub fn clear(&mut self) -> io::Result<()> {
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_head_ref`
[INFO] [stderr]   --> src/file.rs:52:10
[INFO] [stderr]    |
[INFO] [stderr] 52 |   pub fn get_head_ref(&self) -> io::Result<PathBuf> {
[INFO] [stderr]    |          ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Commit`
[INFO] [stderr]   --> src/commit.rs:10:12
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub struct Commit {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/index.rs:53:7
[INFO] [stderr]    |
[INFO] [stderr] 53 |       writeln!(&mut index, "{} {}",  hash, path);
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 15 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/git_rs-ee2a9c39a9ee4d1d
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "71c6bc023fd7f7a1329d91411193d9cd37848bfce5a217023839e44aa447d782"`
[INFO] running `"docker" "rm" "-f" "71c6bc023fd7f7a1329d91411193d9cd37848bfce5a217023839e44aa447d782"`
[INFO] [stdout] 71c6bc023fd7f7a1329d91411193d9cd37848bfce5a217023839e44aa447d782