[INFO] cloning repository https://github.com/ajm012/eecs-495-hw4
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fajm012%2Feecs-495-hw4'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c7c5f8b6a62f2e0942a67714424ce7e133c483f3
[INFO] checking ajm012/eecs-495-hw4 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fajm012%2Feecs-495-hw4" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ajm012/eecs-495-hw4 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-5/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 `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d30185183f36bbe5d170201af652be10a3dedad3f2d6e04eb4c441ead567ddcd
[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" "d30185183f36bbe5d170201af652be10a3dedad3f2d6e04eb4c441ead567ddcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d30185183f36bbe5d170201af652be10a3dedad3f2d6e04eb4c441ead567ddcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d30185183f36bbe5d170201af652be10a3dedad3f2d6e04eb4c441ead567ddcd", kill_on_drop: false }`
[INFO] [stdout] d30185183f36bbe5d170201af652be10a3dedad3f2d6e04eb4c441ead567ddcd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=forbid" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e52c59de06a1078e6c45d64d9f12be54ea28511cbbfb966b65d1d7c09668c9be
[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" "e52c59de06a1078e6c45d64d9f12be54ea28511cbbfb966b65d1d7c09668c9be", kill_on_drop: false }`
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking thread_local v0.3.3
[INFO] [stderr]     Checking regex v0.2.1
[INFO] [stderr]     Checking eecs-495-hw4 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_left_matches`: superseded by `trim_start_matches`
[INFO] [stdout]   --> src/server_handler.rs:68:52
[INFO] [stdout]    |
[INFO] [stdout] 68 |         .join(PathBuf::from(path.to_str().unwrap().trim_left_matches('/')));
[INFO] [stdout]    |                                                    ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_start_matches`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_left_matches`: superseded by `trim_start_matches`
[INFO] [stdout]   --> src/server_handler.rs:68:52
[INFO] [stdout]    |
[INFO] [stdout] 68 |         .join(PathBuf::from(path.to_str().unwrap().trim_left_matches('/')));
[INFO] [stdout]    |                                                    ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_start_matches`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]    --> src/server_handler.rs:232:17
[INFO] [stdout]     |
[INFO] [stdout] 232 |             let file = File::create(filename);
[INFO] [stdout]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]    --> src/server_handler.rs:235:14
[INFO] [stdout]     |
[INFO] [stdout] 235 |         let (file, extension) = get_file(&PathBuf::from(filename)).unwrap();
[INFO] [stdout]     |              ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]    --> src/server_handler.rs:265:17
[INFO] [stdout]     |
[INFO] [stdout] 265 |             let file = File::create(filename);
[INFO] [stdout]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]    --> src/server_handler.rs:268:14
[INFO] [stdout]     |
[INFO] [stdout] 268 |         let (file, extension) = get_directory_index_file(&PathBuf::from(directory)).unwrap();
[INFO] [stdout]     |              ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]    --> src/server_handler.rs:281:17
[INFO] [stdout]     |
[INFO] [stdout] 281 |             let file = File::create(filename);
[INFO] [stdout]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]    --> src/server_handler.rs:284:14
[INFO] [stdout]     |
[INFO] [stdout] 284 |         let (file, extension) = get_directory_index_file(&PathBuf::from(directory)).unwrap();
[INFO] [stdout]     |              ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]    --> src/server_handler.rs:297:17
[INFO] [stdout]     |
[INFO] [stdout] 297 |             let file = File::create(filename);
[INFO] [stdout]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]    --> src/server_handler.rs:300:14
[INFO] [stdout]     |
[INFO] [stdout] 300 |         let (file, extension) = get_directory_index_file(&PathBuf::from(directory)).unwrap();
[INFO] [stdout]     |              ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]    --> src/server_handler.rs:313:17
[INFO] [stdout]     |
[INFO] [stdout] 313 |             let file = File::create(filename);
[INFO] [stdout]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/server_handler.rs:238:9
[INFO] [stdout]     |
[INFO] [stdout] 238 |         remove_dir_all("./test4/");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/server_handler.rs:249:9
[INFO] [stdout]     |
[INFO] [stdout] 249 |         remove_dir_all("./test5/");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/server_handler.rs:271:9
[INFO] [stdout]     |
[INFO] [stdout] 271 |         remove_dir_all("./test/");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/server_handler.rs:287:9
[INFO] [stdout]     |
[INFO] [stdout] 287 |         remove_dir_all("./test1/");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/server_handler.rs:303:9
[INFO] [stdout]     |
[INFO] [stdout] 303 |         remove_dir_all("./test2/");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/server_handler.rs:317:9
[INFO] [stdout]     |
[INFO] [stdout] 317 |         remove_dir_all("./test3/");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/server_handler.rs:338:9
[INFO] [stdout]     |
[INFO] [stdout] 338 |         remove_file(filename);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.59s
[INFO] running `Command { std: "docker" "inspect" "e52c59de06a1078e6c45d64d9f12be54ea28511cbbfb966b65d1d7c09668c9be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e52c59de06a1078e6c45d64d9f12be54ea28511cbbfb966b65d1d7c09668c9be", kill_on_drop: false }`
[INFO] [stdout] e52c59de06a1078e6c45d64d9f12be54ea28511cbbfb966b65d1d7c09668c9be