[INFO] updating cached repository crumblingstatue/wldmania
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/crumblingstatue/wldmania
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/crumblingstatue/wldmania" "work/ex/beta-1.38-1/sources/1.37.0/gh/crumblingstatue/wldmania"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/crumblingstatue/wldmania'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/crumblingstatue/wldmania" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/crumblingstatue/wldmania"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/crumblingstatue/wldmania'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e4e62a9927f12237db5d9b1bf2af3d0f47a3cb07
[INFO] sha for GitHub repo crumblingstatue/wldmania: e4e62a9927f12237db5d9b1bf2af3d0f47a3cb07
[INFO] validating manifest of crumblingstatue/wldmania on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of crumblingstatue/wldmania on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing crumblingstatue/wldmania
[INFO] finished frobbing crumblingstatue/wldmania
[INFO] frobbed toml for crumblingstatue/wldmania written to work/ex/beta-1.38-1/sources/1.37.0/gh/crumblingstatue/wldmania/Cargo.toml
[INFO] started frobbing crumblingstatue/wldmania
[INFO] finished frobbing crumblingstatue/wldmania
[INFO] frobbed toml for crumblingstatue/wldmania written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/crumblingstatue/wldmania/Cargo.toml
[INFO] crate crumblingstatue/wldmania already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing crumblingstatue/wldmania against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/crumblingstatue/wldmania:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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=warn" "-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 79bac2b87b56a534aa84d243b0bbb052604ba024009d1f915b5dd06569d3c2f3
[INFO] running `"docker" "start" "-a" "79bac2b87b56a534aa84d243b0bbb052604ba024009d1f915b5dd06569d3c2f3"`
[INFO] [stderr]    Compiling rand_core v0.2.0
[INFO] [stderr]    Compiling bidir-map v1.0.0
[INFO] [stderr]    Compiling rand v0.5.0
[INFO] [stderr]    Compiling wldmania v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(nll)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/req_file.rs:30:52
[INFO] [stderr]    |
[INFO] [stderr] 30 | fn parse_only_in(seg: &str) -> Result<Segment, Box<Error>> {
[INFO] [stderr]    |                                                    ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/req_file.rs:43:68
[INFO] [stderr]    |
[INFO] [stderr] 43 | fn parse_n_stacks_or_stack_range(seg: &str) -> Result<Segment, Box<Error>> {
[INFO] [stderr]    |                                                                    ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/req_file.rs:54:52
[INFO] [stderr]    |
[INFO] [stderr] 54 | fn parse_segment(seg: &str) -> Result<Segment, Box<Error>> {
[INFO] [stderr]    |                                                    ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/req_file.rs:63:66
[INFO] [stderr]    |
[INFO] [stderr] 63 |     fn parse(line: &str, id_map: &ItemIdMap) -> Result<Self, Box<Error>> {
[INFO] [stderr]    |                                                                  ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/req_file.rs:161:44
[INFO] [stderr]     |
[INFO] [stderr] 161 | ) -> Result<Vec<Requirement<Tracker>>, Box<Error>> {
[INFO] [stderr]     |                                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/req_file.rs:171:44
[INFO] [stderr]     |
[INFO] [stderr] 171 | ) -> Result<Vec<Requirement<Tracker>>, Box<Error>> {
[INFO] [stderr]     |                                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/world.rs:25:63
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn open(path: &Path, write: bool) -> Result<Self, Box<Error>> {
[INFO] [stderr]    |                                                               ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/world.rs:31:57
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub fn read_npcs(&mut self) -> Result<Vec<Npc>, Box<Error>> {
[INFO] [stderr]    |                                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/world.rs:39:64
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub fn read_basic_info(&mut self) -> Result<BasicInfo, Box<Error>> {
[INFO] [stderr]    |                                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/world.rs:89:53
[INFO] [stderr]    |
[INFO] [stderr] 89 |     ) -> Result<HashMap<(u16, u16), ChestType>, Box<Error>> {
[INFO] [stderr]    |                                                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/world.rs:99:61
[INFO] [stderr]    |
[INFO] [stderr] 99 |     pub fn read_chests(&mut self) -> Result<Vec<Chest>, Box<Error>> {
[INFO] [stderr]    |                                                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/world.rs:113:66
[INFO] [stderr]     |
[INFO] [stderr] 113 |     pub fn write_npcs(&mut self, npcs: &[Npc]) -> Result<(), Box<Error>> {
[INFO] [stderr]     |                                                                  ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/world.rs:121:72
[INFO] [stderr]     |
[INFO] [stderr] 121 |     pub fn write_chests(&mut self, chests: &[Chest]) -> Result<(), Box<Error>> {
[INFO] [stderr]     |                                                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/world.rs:143:74
[INFO] [stderr]     |
[INFO] [stderr] 143 |     fn write_chests_inner(&mut self, chests: &[Chest]) -> Result<(), Box<Error>> {
[INFO] [stderr]     |                                                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/world.rs:152:60
[INFO] [stderr]     |
[INFO] [stderr] 152 |     pub fn corruption_percent(&mut self) -> Result<(), Box<Error>> {
[INFO] [stderr]     |                                                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/world.rs:183:52
[INFO] [stderr]     |
[INFO] [stderr] 183 |     pub fn count_ores(&mut self) -> Result<(), Box<Error>> {
[INFO] [stderr]     |                                                    ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/world.rs:276:53
[INFO] [stderr]     |
[INFO] [stderr] 276 | fn read_offsets(f: &mut File) -> Result<Header, Box<Error>> {
[INFO] [stderr]     |                                                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/world.rs:423:49
[INFO] [stderr]     |
[INFO] [stderr] 423 | ) -> Result<HashMap<(u16, u16), ChestType>, Box<Error>> {
[INFO] [stderr]     |                                                 ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/world.rs:458:21
[INFO] [stderr]     |
[INFO] [stderr] 458 | ) -> Result<(), Box<Error>>
[INFO] [stderr]     |                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:25:28
[INFO] [stderr]    |
[INFO] [stderr] 25 | fn run() -> Result<(), Box<Error>> {
[INFO] [stderr]    |                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:184:66
[INFO] [stderr]     |
[INFO] [stderr] 184 | fn chest_info(wld_path: &Path, x: u16, y: u16) -> Result<(), Box<Error>> {
[INFO] [stderr]     |                                                                  ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:259:21
[INFO] [stderr]     |
[INFO] [stderr] 259 | ) -> Result<(), Box<Error>> {
[INFO] [stderr]     |                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:312:63
[INFO] [stderr]     |
[INFO] [stderr] 312 | fn find_item(world_path: &Path, name: &str) -> Result<(), Box<Error>> {
[INFO] [stderr]     |                                                               ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:331:50
[INFO] [stderr]     |
[INFO] [stderr] 331 | fn fix_npcs(world_path: &Path) -> Result<(), Box<Error>> {
[INFO] [stderr]     |                                                  ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:390:70
[INFO] [stderr]     |
[INFO] [stderr] 390 | fn bless_chests(cfg_path: &str, world_path: &Path) -> Result<(), Box<Error>> {
[INFO] [stderr]     |                                                                      ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:393:39
[INFO] [stderr]     |
[INFO] [stderr] 393 |         acceptable_chest_indexes: Box<Iterator<Item = usize>>,
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = usize>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:460:56
[INFO] [stderr]     |
[INFO] [stderr] 460 | fn analyze_chests(world_path: &Path) -> Result<(), Box<Error>> {
[INFO] [stderr]     |                                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:514:54
[INFO] [stderr]     |
[INFO] [stderr] 514 | fn corruption_percent(path: &Path) -> Result<(), Box<Error>> {
[INFO] [stderr]     |                                                      ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:519:46
[INFO] [stderr]     |
[INFO] [stderr] 519 | fn count_ores(path: &Path) -> Result<(), Box<Error>> {
[INFO] [stderr]     |                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `wldmania`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "79bac2b87b56a534aa84d243b0bbb052604ba024009d1f915b5dd06569d3c2f3"`
[INFO] running `"docker" "rm" "-f" "79bac2b87b56a534aa84d243b0bbb052604ba024009d1f915b5dd06569d3c2f3"`
[INFO] [stdout] 79bac2b87b56a534aa84d243b0bbb052604ba024009d1f915b5dd06569d3c2f3