[INFO] updating cached repository cis198-2016s/hw05
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/cis198-2016s/hw05
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/cis198-2016s/hw05" "work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/cis198-2016s/hw05"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/cis198-2016s/hw05'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/cis198-2016s/hw05" "work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/cis198-2016s/hw05"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/cis198-2016s/hw05'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 30ebb61cb9054cc9f775aabc2c9d6811e481e2a0
[INFO] sha for GitHub repo cis198-2016s/hw05: 30ebb61cb9054cc9f775aabc2c9d6811e481e2a0
[INFO] validating manifest of cis198-2016s/hw05 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 cis198-2016s/hw05 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 cis198-2016s/hw05
[INFO] finished frobbing cis198-2016s/hw05
[INFO] frobbed toml for cis198-2016s/hw05 written to work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/cis198-2016s/hw05/Cargo.toml
[INFO] started frobbing cis198-2016s/hw05
[INFO] finished frobbing cis198-2016s/hw05
[INFO] frobbed toml for cis198-2016s/hw05 written to work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/cis198-2016s/hw05/Cargo.toml
[INFO] crate cis198-2016s/hw05 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] [stderr] error: the lock file /mnt/crater-raid/crater/work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/cis198-2016s/hw05/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 cis198-2016s/hw05 against master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7 for pr-59199
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59199/worker-0/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/cis198-2016s/hw05:/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] 4cbeb62f8cf6a290364914e8d6f9a381b2808a5941399905c4d5f71cbc14e8a9
[INFO] running `"docker" "start" "-a" "4cbeb62f8cf6a290364914e8d6f9a381b2808a5941399905c4d5f71cbc14e8a9"`
[INFO] [stderr]     Checking hw05 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::cell::RefCell`
[INFO] [stderr]  --> src/game/room.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::cell::RefCell;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::mem`
[INFO] [stderr]  --> src/game/room.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::mem;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cell::RefCell`
[INFO] [stderr]  --> src/game/room.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::cell::RefCell;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::mem`
[INFO] [stderr]  --> src/game/room.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::mem;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]   --> src/game/board.rs:81:13
[INFO] [stderr]    |
[INFO] [stderr] 81 |             unimplemented!();
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unreachable_code)] on by default
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]   --> src/game/board.rs:42:17
[INFO] [stderr]    |
[INFO] [stderr] 42 |             let name: &str = try!(json_name.as_string().ok_or("Unable to parse name".to_string()));
[INFO] [stderr]    |                 ^^^^ help: consider prefixing with an underscore: `_name`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `curios`
[INFO] [stderr]   --> src/game/board.rs:48:17
[INFO] [stderr]    |
[INFO] [stderr] 48 |             let curios: Vec<Curio> = Curio::generate_n(n as usize);
[INFO] [stderr]    |                 ^^^^^^ help: consider prefixing with an underscore: `_curios`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `wumpus`
[INFO] [stderr]   --> src/game/board.rs:51:17
[INFO] [stderr]    |
[INFO] [stderr] 51 |             let wumpus: bool = {
[INFO] [stderr]    |                 ^^^^^^ help: consider prefixing with an underscore: `_wumpus`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `hall`
[INFO] [stderr]   --> src/game/board.rs:75:21
[INFO] [stderr]    |
[INFO] [stderr] 75 |             let mut hall = Hall::new();
[INFO] [stderr]    |                     ^^^^ help: consider prefixing with an underscore: `_hall`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `room`
[INFO] [stderr]   --> src/game/hall.rs:18:25
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub fn other(&self, room: &Room) -> Rc<RefCell<Room>> {
[INFO] [stderr]    |                         ^^^^ help: consider prefixing with an underscore: `_room`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cmd`
[INFO] [stderr]   --> src/game/player.rs:62:27
[INFO] [stderr]    |
[INFO] [stderr] 62 |     pub fn act(&mut self, cmd: Command) -> Result<(), ()> {
[INFO] [stderr]    |                           ^^^ help: consider prefixing with an underscore: `_cmd`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `room`
[INFO] [stderr]   --> src/game/player.rs:67:25
[INFO] [stderr]    |
[INFO] [stderr] 67 |     fn find_room(&self, room: String) -> Result<Rc<RefCell<Room>>, ()> {
[INFO] [stderr]    |                         ^^^^ help: consider prefixing with an underscore: `_room`
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]   --> src/game/board.rs:81:13
[INFO] [stderr]    |
[INFO] [stderr] 81 |             unimplemented!();
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unreachable_code)] on by default
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `won`
[INFO] [stderr]   --> src/game/player.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     won: bool,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `find_room`
[INFO] [stderr]   --> src/game/player.rs:67:5
[INFO] [stderr]    |
[INFO] [stderr] 67 |     fn find_room(&self, room: String) -> Result<Rc<RefCell<Room>>, ()> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]   --> src/game/board.rs:42:17
[INFO] [stderr]    |
[INFO] [stderr] 42 |             let name: &str = try!(json_name.as_string().ok_or("Unable to parse name".to_string()));
[INFO] [stderr]    |                 ^^^^ help: consider prefixing with an underscore: `_name`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `curios`
[INFO] [stderr]   --> src/game/board.rs:48:17
[INFO] [stderr]    |
[INFO] [stderr] 48 |             let curios: Vec<Curio> = Curio::generate_n(n as usize);
[INFO] [stderr]    |                 ^^^^^^ help: consider prefixing with an underscore: `_curios`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `wumpus`
[INFO] [stderr]   --> src/game/board.rs:51:17
[INFO] [stderr]    |
[INFO] [stderr] 51 |             let wumpus: bool = {
[INFO] [stderr]    |                 ^^^^^^ help: consider prefixing with an underscore: `_wumpus`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `hall`
[INFO] [stderr]   --> src/game/board.rs:75:21
[INFO] [stderr]    |
[INFO] [stderr] 75 |             let mut hall = Hall::new();
[INFO] [stderr]    |                     ^^^^ help: consider prefixing with an underscore: `_hall`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `room`
[INFO] [stderr]   --> src/game/hall.rs:18:25
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub fn other(&self, room: &Room) -> Rc<RefCell<Room>> {
[INFO] [stderr]    |                         ^^^^ help: consider prefixing with an underscore: `_room`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cmd`
[INFO] [stderr]   --> src/game/player.rs:62:27
[INFO] [stderr]    |
[INFO] [stderr] 62 |     pub fn act(&mut self, cmd: Command) -> Result<(), ()> {
[INFO] [stderr]    |                           ^^^ help: consider prefixing with an underscore: `_cmd`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `room`
[INFO] [stderr]   --> src/game/player.rs:67:25
[INFO] [stderr]    |
[INFO] [stderr] 67 |     fn find_room(&self, room: String) -> Result<Rc<RefCell<Room>>, ()> {
[INFO] [stderr]    |                         ^^^^ help: consider prefixing with an underscore: `_room`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `won`
[INFO] [stderr]   --> src/game/player.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     won: bool,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `find_room`
[INFO] [stderr]   --> src/game/player.rs:67:5
[INFO] [stderr]    |
[INFO] [stderr] 67 |     fn find_room(&self, room: String) -> Result<Rc<RefCell<Room>>, ()> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `"docker" "inspect" "4cbeb62f8cf6a290364914e8d6f9a381b2808a5941399905c4d5f71cbc14e8a9"`
[INFO] running `"docker" "rm" "-f" "4cbeb62f8cf6a290364914e8d6f9a381b2808a5941399905c4d5f71cbc14e8a9"`
[INFO] [stdout] 4cbeb62f8cf6a290364914e8d6f9a381b2808a5941399905c4d5f71cbc14e8a9