[INFO] cloning repository https://github.com/ajm012/eecs-495-hw4
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ajm012/eecs-495-hw4" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fajm012%2Feecs-495-hw4"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fajm012%2Feecs-495-hw4'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c7c5f8b6a62f2e0942a67714424ce7e133c483f3
[INFO] checking ajm012/eecs-495-hw4 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fajm012%2Feecs-495-hw4" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ajm012/eecs-495-hw4 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/ajm012/eecs-495-hw4
[INFO] finished tweaking git repo https://github.com/ajm012/eecs-495-hw4
[INFO] tweaked toml for git repo https://github.com/ajm012/eecs-495-hw4 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/ajm012/eecs-495-hw4 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] a19f507fed72593447c4a116a9a1657be1ec147d903051a1f2e537decb7c9d03
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "a19f507fed72593447c4a116a9a1657be1ec147d903051a1f2e537decb7c9d03"`
[INFO] [stderr]     Checking time v0.1.37
[INFO] [stderr]     Checking eecs-495-hw4 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]   --> src/server_handler.rs:68:52
[INFO] [stderr]    |
[INFO] [stderr] 68 |         .join(PathBuf::from(path.to_str().unwrap().trim_left_matches('/')));
[INFO] [stderr]    |                                                    ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]   --> src/server_handler.rs:68:52
[INFO] [stderr]    |
[INFO] [stderr] 68 |         .join(PathBuf::from(path.to_str().unwrap().trim_left_matches('/')));
[INFO] [stderr]    |                                                    ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `file`
[INFO] [stderr]    --> src/server_handler.rs:232:17
[INFO] [stderr]     |
[INFO] [stderr] 232 |             let file = File::create(filename);
[INFO] [stderr]     |                 ^^^^ help: consider prefixing with an underscore: `_file`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `file`
[INFO] [stderr]    --> src/server_handler.rs:235:14
[INFO] [stderr]     |
[INFO] [stderr] 235 |         let (file, extension) = get_file(&PathBuf::from(filename)).unwrap();
[INFO] [stderr]     |              ^^^^ help: consider prefixing with an underscore: `_file`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `file`
[INFO] [stderr]    --> src/server_handler.rs:265:17
[INFO] [stderr]     |
[INFO] [stderr] 265 |             let file = File::create(filename);
[INFO] [stderr]     |                 ^^^^ help: consider prefixing with an underscore: `_file`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `file`
[INFO] [stderr]    --> src/server_handler.rs:268:14
[INFO] [stderr]     |
[INFO] [stderr] 268 |         let (file, extension) = get_directory_index_file(&PathBuf::from(directory)).unwrap();
[INFO] [stderr]     |              ^^^^ help: consider prefixing with an underscore: `_file`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `file`
[INFO] [stderr]    --> src/server_handler.rs:281:17
[INFO] [stderr]     |
[INFO] [stderr] 281 |             let file = File::create(filename);
[INFO] [stderr]     |                 ^^^^ help: consider prefixing with an underscore: `_file`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `file`
[INFO] [stderr]    --> src/server_handler.rs:284:14
[INFO] [stderr]     |
[INFO] [stderr] 284 |         let (file, extension) = get_directory_index_file(&PathBuf::from(directory)).unwrap();
[INFO] [stderr]     |              ^^^^ help: consider prefixing with an underscore: `_file`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `file`
[INFO] [stderr]    --> src/server_handler.rs:297:17
[INFO] [stderr]     |
[INFO] [stderr] 297 |             let file = File::create(filename);
[INFO] [stderr]     |                 ^^^^ help: consider prefixing with an underscore: `_file`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `file`
[INFO] [stderr]    --> src/server_handler.rs:300:14
[INFO] [stderr]     |
[INFO] [stderr] 300 |         let (file, extension) = get_directory_index_file(&PathBuf::from(directory)).unwrap();
[INFO] [stderr]     |              ^^^^ help: consider prefixing with an underscore: `_file`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `file`
[INFO] [stderr]    --> src/server_handler.rs:313:17
[INFO] [stderr]     |
[INFO] [stderr] 313 |             let file = File::create(filename);
[INFO] [stderr]     |                 ^^^^ help: consider prefixing with an underscore: `_file`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/server_handler.rs:238:9
[INFO] [stderr]     |
[INFO] [stderr] 238 |         remove_dir_all("./test4/");
[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] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/server_handler.rs:249:9
[INFO] [stderr]     |
[INFO] [stderr] 249 |         remove_dir_all("./test5/");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/server_handler.rs:271:9
[INFO] [stderr]     |
[INFO] [stderr] 271 |         remove_dir_all("./test/");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/server_handler.rs:287:9
[INFO] [stderr]     |
[INFO] [stderr] 287 |         remove_dir_all("./test1/");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/server_handler.rs:303:9
[INFO] [stderr]     |
[INFO] [stderr] 303 |         remove_dir_all("./test2/");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/server_handler.rs:317:9
[INFO] [stderr]     |
[INFO] [stderr] 317 |         remove_dir_all("./test3/");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/server_handler.rs:338:9
[INFO] [stderr]     |
[INFO] [stderr] 338 |         remove_file(filename);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.26s
[INFO] running `"docker" "inspect" "a19f507fed72593447c4a116a9a1657be1ec147d903051a1f2e537decb7c9d03"`
[INFO] running `"docker" "rm" "-f" "a19f507fed72593447c4a116a9a1657be1ec147d903051a1f2e537decb7c9d03"`
[INFO] [stdout] a19f507fed72593447c4a116a9a1657be1ec147d903051a1f2e537decb7c9d03