[INFO] cloning repository https://github.com/taesik/src_rust_
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/taesik/src_rust_" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaesik%2Fsrc_rust_", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaesik%2Fsrc_rust_'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 62a14cd88d1d6204272a2fa025ebce2a4a7a5fd5
[INFO] testing taesik/src_rust_ against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaesik%2Fsrc_rust_" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/taesik/src_rust_ on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/taesik/src_rust_
[INFO] finished tweaking git repo https://github.com/taesik/src_rust_
[INFO] tweaked toml for git repo https://github.com/taesik/src_rust_ written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/taesik/src_rust_ already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ca84164cd7b5f558b5a93fc2a55a78694d0e8007e6927dfb3322d12ed860b33f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ca84164cd7b5f558b5a93fc2a55a78694d0e8007e6927dfb3322d12ed860b33f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca84164cd7b5f558b5a93fc2a55a78694d0e8007e6927dfb3322d12ed860b33f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca84164cd7b5f558b5a93fc2a55a78694d0e8007e6927dfb3322d12ed860b33f", kill_on_drop: false }`
[INFO] [stdout] ca84164cd7b5f558b5a93fc2a55a78694d0e8007e6927dfb3322d12ed860b33f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 747eecade60af35569c2378a1f041209ee6d5c1720820396836481832cf1ebe8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "747eecade60af35569c2378a1f041209ee6d5c1720820396836481832cf1ebe8", kill_on_drop: false }`
[INFO] [stderr]    Compiling snake_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `another_lib::another_mod::another_function`
[INFO] [stdout]  --> src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use another_lib::another_mod::another_function;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/lib.rs:76:13
[INFO] [stdout]    |
[INFO] [stdout] 76 |  /             /**absolute path**/
[INFO] [stdout] 77 |  |             // crate::learning_rust::top_level::hi();
[INFO] [stdout] 78 |  |             // crate::learning_rust::top_level::low_level::hello();
[INFO] [stdout] 79 |  |
[INFO] [stdout] ...   |
[INFO] [stdout] 84 | /|             /**
[INFO] [stdout] 85 | ||             crate::outsider();
[INFO] [stdout] 86 | ||             super -> going outside of current module
[INFO] [stdout] 87 | ||             **/
[INFO] [stdout]    | ||_______________^
[INFO] [stdout]    | |________________|
[INFO] [stdout]    |                  rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `outsider`
[INFO] [stdout]  --> src/lib.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn outsider() {
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `another_function`
[INFO] [stdout]  --> src/another_lib.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 |     pub fn another_function() {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `another_private_function`
[INFO] [stdout]  --> src/another_lib.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn another_private_function() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `indirect_access`
[INFO] [stdout]   --> src/another_lib.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn indirect_access() {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `hi`
[INFO] [stdout]   --> src/lib.rs:20:16
[INFO] [stdout]    |
[INFO] [stdout] 20 |         pub fn hi (){
[INFO] [stdout]    |                ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `hello`
[INFO] [stdout]   --> src/lib.rs:25:20
[INFO] [stdout]    |
[INFO] [stdout] 25 |             pub fn hello() {
[INFO] [stdout]    |                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.40s
[INFO] running `Command { std: "docker" "inspect" "747eecade60af35569c2378a1f041209ee6d5c1720820396836481832cf1ebe8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "747eecade60af35569c2378a1f041209ee6d5c1720820396836481832cf1ebe8", kill_on_drop: false }`
[INFO] [stdout] 747eecade60af35569c2378a1f041209ee6d5c1720820396836481832cf1ebe8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bbc830808ea443bd13a2eba97f6cf479d08c1e974195d83b8d874aff630fb3b1
[INFO] running `Command { std: "docker" "start" "-a" "bbc830808ea443bd13a2eba97f6cf479d08c1e974195d83b8d874aff630fb3b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling snake_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `another_lib::another_mod::another_function`
[INFO] [stdout]  --> src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use another_lib::another_mod::another_function;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/lib.rs:76:13
[INFO] [stdout]    |
[INFO] [stdout] 76 |  /             /**absolute path**/
[INFO] [stdout] 77 |  |             // crate::learning_rust::top_level::hi();
[INFO] [stdout] 78 |  |             // crate::learning_rust::top_level::low_level::hello();
[INFO] [stdout] 79 |  |
[INFO] [stdout] ...   |
[INFO] [stdout] 84 | /|             /**
[INFO] [stdout] 85 | ||             crate::outsider();
[INFO] [stdout] 86 | ||             super -> going outside of current module
[INFO] [stdout] 87 | ||             **/
[INFO] [stdout]    | ||_______________^
[INFO] [stdout]    | |________________|
[INFO] [stdout]    |                  rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `outsider`
[INFO] [stdout]  --> src/lib.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn outsider() {
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `another_function`
[INFO] [stdout]  --> src/another_lib.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 |     pub fn another_function() {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `another_private_function`
[INFO] [stdout]  --> src/another_lib.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn another_private_function() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `indirect_access`
[INFO] [stdout]   --> src/another_lib.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn indirect_access() {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `hi`
[INFO] [stdout]   --> src/lib.rs:20:16
[INFO] [stdout]    |
[INFO] [stdout] 20 |         pub fn hi (){
[INFO] [stdout]    |                ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `hello`
[INFO] [stdout]   --> src/lib.rs:25:20
[INFO] [stdout]    |
[INFO] [stdout] 25 |             pub fn hello() {
[INFO] [stdout]    |                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `another_lib::another_mod::another_function`
[INFO] [stdout]  --> src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use another_lib::another_mod::another_function;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/lib.rs:76:13
[INFO] [stdout]    |
[INFO] [stdout] 76 |  /             /**absolute path**/
[INFO] [stdout] 77 |  |             // crate::learning_rust::top_level::hi();
[INFO] [stdout] 78 |  |             // crate::learning_rust::top_level::low_level::hello();
[INFO] [stdout] 79 |  |
[INFO] [stdout] ...   |
[INFO] [stdout] 84 | /|             /**
[INFO] [stdout] 85 | ||             crate::outsider();
[INFO] [stdout] 86 | ||             super -> going outside of current module
[INFO] [stdout] 87 | ||             **/
[INFO] [stdout]    | ||_______________^
[INFO] [stdout]    | |________________|
[INFO] [stdout]    |                  rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `outsider`
[INFO] [stdout]  --> src/lib.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn outsider() {
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `another_function`
[INFO] [stdout]  --> src/another_lib.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 |     pub fn another_function() {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `another_private_function`
[INFO] [stdout]  --> src/another_lib.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn another_private_function() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `indirect_access`
[INFO] [stdout]   --> src/another_lib.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn indirect_access() {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `hi`
[INFO] [stdout]   --> src/lib.rs:20:16
[INFO] [stdout]    |
[INFO] [stdout] 20 |         pub fn hi (){
[INFO] [stdout]    |                ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `hello`
[INFO] [stdout]   --> src/lib.rs:25:20
[INFO] [stdout]    |
[INFO] [stdout] 25 |             pub fn hello() {
[INFO] [stdout]    |                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.16s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/snake_game-99cf96d59b4e71da)
[INFO] [stderr]   Executable unittests main.rs (/opt/rustwide/target/debug/deps/snake_game-e38a92db45a37c5a)
[INFO] running `Command { std: "docker" "inspect" "bbc830808ea443bd13a2eba97f6cf479d08c1e974195d83b8d874aff630fb3b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbc830808ea443bd13a2eba97f6cf479d08c1e974195d83b8d874aff630fb3b1", kill_on_drop: false }`
[INFO] [stdout] bbc830808ea443bd13a2eba97f6cf479d08c1e974195d83b8d874aff630fb3b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 04ef94bf2d3c7b9e37599c1ec3d988241a72cd6aed3f76a5182b8068d3180e2a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "04ef94bf2d3c7b9e37599c1ec3d988241a72cd6aed3f76a5182b8068d3180e2a", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `another_lib::another_mod::another_function`
[INFO] [stderr]  --> src/lib.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use another_lib::another_mod::another_function;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/lib.rs:76:13
[INFO] [stderr]    |
[INFO] [stderr] 76 |  /             /**absolute path**/
[INFO] [stderr] 77 |  |             // crate::learning_rust::top_level::hi();
[INFO] [stderr] 78 |  |             // crate::learning_rust::top_level::low_level::hello();
[INFO] [stderr] 79 |  |
[INFO] [stderr] ...   |
[INFO] [stderr] 84 | /|             /**
[INFO] [stderr] 85 | ||             crate::outsider();
[INFO] [stderr] 86 | ||             super -> going outside of current module
[INFO] [stderr] 87 | ||             **/
[INFO] [stderr]    | ||_______________^
[INFO] [stderr]    | |________________|
[INFO] [stderr]    |                  rustdoc does not generate documentation for macro invocations
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `outsider`
[INFO] [stderr]  --> src/lib.rs:9:4
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn outsider() {
[INFO] [stderr]   |    ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `another_function`
[INFO] [stderr]  --> src/another_lib.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 |     pub fn another_function() {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `another_private_function`
[INFO] [stderr]  --> src/another_lib.rs:8:8
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn another_private_function() {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `indirect_access`
[INFO] [stderr]   --> src/another_lib.rs:12:12
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn indirect_access() {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `hi`
[INFO] [stderr]   --> src/lib.rs:20:16
[INFO] [stderr]    |
[INFO] [stderr] 20 |         pub fn hi (){
[INFO] [stderr]    |                ^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `hello`
[INFO] [stderr]   --> src/lib.rs:25:20
[INFO] [stderr]    |
[INFO] [stderr] 25 |             pub fn hello() {
[INFO] [stderr]    |                    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `snake_game` (lib) generated 8 warnings
[INFO] [stderr] warning: `snake_game` (lib test) generated 8 warnings (8 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/snake_game-99cf96d59b4e71da)
[INFO] [stderr]      Running unittests main.rs (/opt/rustwide/target/debug/deps/snake_game-e38a92db45a37c5a)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests snake_game
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "04ef94bf2d3c7b9e37599c1ec3d988241a72cd6aed3f76a5182b8068d3180e2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04ef94bf2d3c7b9e37599c1ec3d988241a72cd6aed3f76a5182b8068d3180e2a", kill_on_drop: false }`
[INFO] [stdout] 04ef94bf2d3c7b9e37599c1ec3d988241a72cd6aed3f76a5182b8068d3180e2a