[INFO] updating cached repository ajm012/eecs-495-hw4
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ajm012/eecs-495-hw4
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ajm012/eecs-495-hw4" "work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/ajm012/eecs-495-hw4"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/ajm012/eecs-495-hw4'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ajm012/eecs-495-hw4" "work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/ajm012/eecs-495-hw4"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/ajm012/eecs-495-hw4'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c7c5f8b6a62f2e0942a67714424ce7e133c483f3
[INFO] sha for GitHub repo ajm012/eecs-495-hw4: c7c5f8b6a62f2e0942a67714424ce7e133c483f3
[INFO] validating manifest of ajm012/eecs-495-hw4 on toolchain master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ajm012/eecs-495-hw4 on toolchain try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ajm012/eecs-495-hw4
[INFO] finished frobbing ajm012/eecs-495-hw4
[INFO] frobbed toml for ajm012/eecs-495-hw4 written to work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/ajm012/eecs-495-hw4/Cargo.toml
[INFO] started frobbing ajm012/eecs-495-hw4
[INFO] finished frobbing ajm012/eecs-495-hw4
[INFO] frobbed toml for ajm012/eecs-495-hw4 written to work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/ajm012/eecs-495-hw4/Cargo.toml
[INFO] crate ajm012/eecs-495-hw4 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking ajm012/eecs-495-hw4 against master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7 for pr-59199
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59199/worker-4/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/ajm012/eecs-495-hw4:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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=forbid" "-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" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 1b44a455b6802d0afe4f05a0406ceaf038393c527b41895d9369dcdafe45747a
[INFO] running `"docker" "start" "-a" "1b44a455b6802d0afe4f05a0406ceaf038393c527b41895d9369dcdafe45747a"`
[INFO] [stderr]     Checking eecs-495-hw4 v0.1.0 (/opt/crater/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]    |                                                    ^^^^^^^^^^^^^^^^^
[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]    |                                                    ^^^^^^^^^^^^^^^^^
[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 0.74s
[INFO] running `"docker" "inspect" "1b44a455b6802d0afe4f05a0406ceaf038393c527b41895d9369dcdafe45747a"`
[INFO] running `"docker" "rm" "-f" "1b44a455b6802d0afe4f05a0406ceaf038393c527b41895d9369dcdafe45747a"`
[INFO] [stdout] 1b44a455b6802d0afe4f05a0406ceaf038393c527b41895d9369dcdafe45747a