[INFO] updating cached repository sunjay/caves
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/sunjay/caves
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/sunjay/caves" "work/ex/beta-1.38-1/sources/1.37.0/gh/sunjay/caves"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/sunjay/caves'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sunjay/caves" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sunjay/caves"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sunjay/caves'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e773de9c546bbcfa0fe1f0435b8c1e832299da35
[INFO] sha for GitHub repo sunjay/caves: e773de9c546bbcfa0fe1f0435b8c1e832299da35
[INFO] validating manifest of sunjay/caves 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 sunjay/caves 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 sunjay/caves
[INFO] finished frobbing sunjay/caves
[INFO] frobbed toml for sunjay/caves written to work/ex/beta-1.38-1/sources/1.37.0/gh/sunjay/caves/Cargo.toml
[INFO] started frobbing sunjay/caves
[INFO] finished frobbing sunjay/caves
[INFO] frobbed toml for sunjay/caves written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sunjay/caves/Cargo.toml
[INFO] crate sunjay/caves 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 sunjay/caves against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sunjay/caves:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] d69e89564588f011e093ff4475b63c161877923fb6e38ac175fa19cc5c87988a
[INFO] running `"docker" "start" "-a" "d69e89564588f011e093ff4475b63c161877923fb6e38ac175fa19cc5c87988a"`
[INFO] [stderr]    Compiling syn v0.15.29
[INFO] [stderr]    Compiling winapi v0.3.6
[INFO] [stderr]    Compiling sdl2 v0.32.2
[INFO] [stderr]    Compiling sdl2-sys v0.32.5
[INFO] [stderr]    Compiling crossbeam-utils v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.5.2
[INFO] [stderr]    Compiling parking_lot_core v0.2.14
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]    Compiling rusttype v0.7.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.6.1
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling parking_lot v0.5.5
[INFO] [stderr]    Compiling crossbeam-deque v0.5.2
[INFO] [stderr]    Compiling crossbeam-channel v0.2.6
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling crossbeam v0.4.1
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling winconsole v0.10.0
[INFO] [stderr]    Compiling colored v1.8.0
[INFO] [stderr]    Compiling hibitset v0.5.4
[INFO] [stderr]    Compiling shred v0.7.1
[INFO] [stderr]    Compiling derivative v1.0.2
[INFO] [stderr]    Compiling shred-derive v0.5.1
[INFO] [stderr]    Compiling component_group_derive v1.0.0
[INFO] [stderr]    Compiling specs-derive v0.4.0
[INFO] [stderr]    Compiling shrev v1.0.1
[INFO] [stderr]    Compiling specs v0.14.3
[INFO] [stderr]    Compiling component_group v1.0.0
[INFO] [stderr]    Compiling caves v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `other_pos`
[INFO] [stderr]   --> src/systems/interactions.rs:58:28
[INFO] [stderr]    |
[INFO] [stderr] 58 |         for (other_entity, other_pos) in self.nearest_in_direction(entity, pos, direction, bounds, range) {
[INFO] [stderr]    |                            ^^^^^^^^^ help: consider prefixing with an underscore: `_other_pos`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `map`
[INFO] [stderr]   --> src/systems/ai.rs:27:13
[INFO] [stderr]    |
[INFO] [stderr] 27 |             map,
[INFO] [stderr]    |             ^^^ help: try ignoring the field: `map: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `bounding_boxes`
[INFO] [stderr]   --> src/systems/ai.rs:29:13
[INFO] [stderr]    |
[INFO] [stderr] 29 |             bounding_boxes,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^ help: try ignoring the field: `bounding_boxes: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `positions`
[INFO] [stderr]   --> src/systems/ai.rs:30:13
[INFO] [stderr]    |
[INFO] [stderr] 30 |             positions,
[INFO] [stderr]    |             ^^^^^^^^^ help: try ignoring the field: `positions: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `players`
[INFO] [stderr]   --> src/systems/ai.rs:31:13
[INFO] [stderr]    |
[INFO] [stderr] 31 |             players,
[INFO] [stderr]    |             ^^^^^^^ help: try ignoring the field: `players: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `entity`
[INFO] [stderr]   --> src/systems/ai.rs:38:14
[INFO] [stderr]    |
[INFO] [stderr] 38 |         for (entity, enemy, movement, ()) in (&entities, &enemies, &mut movements, !&waits).join() {
[INFO] [stderr]    |              ^^^^^^ help: consider prefixing with an underscore: `_entity`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/systems/shared.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub fn new(system: S) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `attacks`
[INFO] [stderr]   --> src/systems/interactions.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     attacks: ReadStorage<'a, Attack>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `hit_waits`
[INFO] [stderr]   --> src/systems/interactions.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     hit_waits: ReadStorage<'a, HitWait>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `TreasureKey`
[INFO] [stderr]  --> src/components/item.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     TreasureKey,
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `RoomKey`
[INFO] [stderr]  --> src/components/item.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     RoomKey,
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Potion`
[INFO] [stderr]  --> src/components/item.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     Potion {stength: u32},
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Item`
[INFO] [stderr]   --> src/components/item.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     Item(Item),
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Opened`
[INFO] [stderr]   --> src/components/item.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     Opened,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Pause`
[INFO] [stderr]    --> src/resources.rs:116:5
[INFO] [stderr]     |
[INFO] [stderr] 116 |     Pause,
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Hit`
[INFO] [stderr]    --> src/resources.rs:134:5
[INFO] [stderr]     |
[INFO] [stderr] 134 |     Hit,
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Victory`
[INFO] [stderr]    --> src/resources.rs:136:5
[INFO] [stderr]     |
[INFO] [stderr] 136 |     Victory,
[INFO] [stderr]     |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Defeat`
[INFO] [stderr]    --> src/resources.rs:138:5
[INFO] [stderr]     |
[INFO] [stderr] 138 |     Defeat,
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `square`
[INFO] [stderr]   --> src/map/grid_size.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn square(size: usize) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `tile_positions_on_edges`
[INFO] [stderr]    --> src/map/grid.rs:111:5
[INFO] [stderr]     |
[INFO] [stderr] 111 |     pub fn tile_positions_on_edges(&self, top_left: TilePos, size: GridSize) -> impl Iterator<Item=TilePos> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Challenge`
[INFO] [stderr]  --> src/map/room.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     Challenge,
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `bottom_right`
[INFO] [stderr]   --> src/map/tile_pos.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     pub fn bottom_right(self, tile_size: i32) -> Point {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `expand`
[INFO] [stderr]    --> src/map/tile_rect.rs:119:5
[INFO] [stderr]     |
[INFO] [stderr] 119 |     pub fn expand(self, margin: usize) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `random_horizontal_edge_tile`
[INFO] [stderr]    --> src/map/tile_rect.rs:164:5
[INFO] [stderr]     |
[INFO] [stderr] 164 |     pub fn random_horizontal_edge_tile<R: Rng>(self, rng: &mut R) -> TilePos {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `random_vertical_edge_tile`
[INFO] [stderr]    --> src/map/tile_rect.rs:172:5
[INFO] [stderr]     |
[INFO] [stderr] 172 |     pub fn random_vertical_edge_tile<R: Rng>(self, rng: &mut R) -> TilePos {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `tile_rect`
[INFO] [stderr]    --> src/map.rs:153:5
[INFO] [stderr]     |
[INFO] [stderr] 153 |     pub fn tile_rect(&self, top_left: TilePos, bottom_right: TilePos) -> Rect {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `dimensions`
[INFO] [stderr]   --> src/ui/window.rs:66:5
[INFO] [stderr]    |
[INFO] [stderr] 66 |     pub fn dimensions(&self) -> (u32, u32) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `render_to_file`
[INFO] [stderr]    --> src/ui/game_screen.rs:104:5
[INFO] [stderr]     |
[INFO] [stderr] 104 |     pub fn render_to_file<P: AsRef<Path>>(&self, path: P) -> Result<(), SDLError> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `N`
[INFO] [stderr]   --> src/assets/sprite.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     N,
[INFO] [stderr]    |     ^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `NE`
[INFO] [stderr]   --> src/assets/sprite.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     NE,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `E`
[INFO] [stderr]   --> src/assets/sprite.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     E,
[INFO] [stderr]    |     ^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SE`
[INFO] [stderr]   --> src/assets/sprite.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     SE,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SW`
[INFO] [stderr]   --> src/assets/sprite.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     SW,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `W`
[INFO] [stderr]   --> src/assets/sprite.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     W,
[INFO] [stderr]    |     ^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `NW`
[INFO] [stderr]   --> src/assets/sprite.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     NW,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `flip_vertically`
[INFO] [stderr]   --> src/assets/sprite.rs:75:5
[INFO] [stderr]    |
[INFO] [stderr] 75 |     pub fn flip_vertically(self) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `anchor_west`
[INFO] [stderr]   --> src/assets/sprite.rs:83:5
[INFO] [stderr]    |
[INFO] [stderr] 83 |     pub fn anchor_west(self) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `dest_offset`
[INFO] [stderr]   --> src/assets/sprite.rs:99:5
[INFO] [stderr]    |
[INFO] [stderr] 99 |     pub fn dest_offset(self, x: i32, y: i32) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: linking with `cc` failed: exit code: 1
[INFO] [stderr]   |
[INFO] [stderr]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-L" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/caves-44d25c42a6009472.caves.b4m845fq-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/caves-44d25c42a6009472.caves.b4m845fq-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/caves-44d25c42a6009472.caves.b4m845fq-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/caves-44d25c42a6009472.caves.b4m845fq-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/caves-44d25c42a6009472.caves.b4m845fq-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/caves-44d25c42a6009472.caves.b4m845fq-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/caves-44d25c42a6009472.caves.b4m845fq-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/caves-44d25c42a6009472.caves.b4m845fq-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/caves-44d25c42a6009472.caves.b4m845fq-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/caves-44d25c42a6009472.caves.b4m845fq-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/caves-44d25c42a6009472.caves.b4m845fq-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/caves-44d25c42a6009472.caves.b4m845fq-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/caves-44d25c42a6009472.caves.b4m845fq-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/caves-44d25c42a6009472.caves.b4m845fq-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/caves-44d25c42a6009472.caves.b4m845fq-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/caves-44d25c42a6009472.caves.b4m845fq-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/caves-44d25c42a6009472" "/opt/crater/target/debug/deps/caves-44d25c42a6009472.505wl1pybq90m5ib.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/librusttype-f0c8c0a20a3a6c41.rlib" "/opt/crater/target/debug/deps/libstb_truetype-6270fc59f48cc416.rlib" "/opt/crater/target/debug/deps/libapprox-9db7b3ac54e9cf4f.rlib" "/opt/crater/target/debug/deps/libordered_float-253b3dd115f24a66.rlib" "/opt/crater/target/debug/deps/libcolored-d10985e9fac09a92.rlib" "/opt/crater/target/debug/deps/libbase64-e1f05e869342eb15.rlib" "/opt/crater/target/debug/deps/libcomponent_group-33788ff9e7cc0b07.rlib" "/opt/crater/target/debug/deps/libspecs-49fcc635002a863e.rlib" "/opt/crater/target/debug/deps/libtuple_utils-fd4d3cb239abe572.rlib" "/opt/crater/target/debug/deps/libshrev-58fe1d91e55b0e3b.rlib" "/opt/crater/target/debug/deps/libparking_lot-69c3d788cc86e634.rlib" "/opt/crater/target/debug/deps/libparking_lot_core-06d9b1f8d001e08c.rlib" "/opt/crater/target/debug/deps/librand-e8378504706bc50b.rlib" "/opt/crater/target/debug/deps/libowning_ref-ac29b4f5b10168db.rlib" "/opt/crater/target/debug/deps/libnonzero_signed-6037d984ba16f083.rlib" "/opt/crater/target/debug/deps/liblog-a38d76ba6946c949.rlib" "/opt/crater/target/debug/deps/libhibitset-a0f7a9ffeff15750.rlib" "/opt/crater/target/debug/deps/libatom-9cd266afdf8577db.rlib" "/opt/crater/target/debug/deps/libfnv-6e18f98be4338210.rlib" "/opt/crater/target/debug/deps/libcrossbeam-043c5f472d2b8c3e.rlib" "/opt/crater/target/debug/deps/libcrossbeam_deque-5b02b87ca0e3cbc5.rlib" "/opt/crater/target/debug/deps/libcrossbeam_epoch-de98f4d05d49af56.rlib" "/opt/crater/target/debug/deps/libcrossbeam_channel-aac314521db383e9.rlib" "/opt/crater/target/debug/deps/libparking_lot-bb5d85c7ed37d0d0.rlib" "/opt/crater/target/debug/deps/libparking_lot_core-2fcc4c1287145f3f.rlib" "/opt/crater/target/debug/deps/liblock_api-fc146aa09c055915.rlib" "/opt/crater/target/debug/deps/libowning_ref-3fc2847bd21aa6e0.rlib" "/opt/crater/target/debug/deps/libstable_deref_trait-0255958156eadff4.rlib" "/opt/crater/target/debug/deps/librand-708a6f0a02d6f8d7.rlib" "/opt/crater/target/debug/deps/libcrossbeam_utils-f73b252af0757295.rlib" "/opt/crater/target/debug/deps/libcrossbeam_epoch-718ec1d0663132fb.rlib" "/opt/crater/target/debug/deps/libcrossbeam_utils-48584814ec61c688.rlib" "/opt/crater/target/debug/deps/libshred-15a841202efd0b90.rlib" "/opt/crater/target/debug/deps/libsmallvec-5064529c624056f7.rlib" "/opt/crater/target/debug/deps/librayon-ec0eb88924016530.rlib" "/opt/crater/target/debug/deps/libeither-0d9bd65a9a0498cf.rlib" "/opt/crater/target/debug/deps/librayon_core-8caa2e62b0065bef.rlib" "/opt/crater/target/debug/deps/libnum_cpus-09f60693293459ba.rlib" "/opt/crater/target/debug/deps/libcrossbeam_deque-021907b3cc906c3a.rlib" "/opt/crater/target/debug/deps/libcrossbeam_epoch-42aeab407476c8e6.rlib" "/opt/crater/target/debug/deps/libscopeguard-22a7afc64d55fe2c.rlib" "/opt/crater/target/debug/deps/libmemoffset-81f7e9a5af225363.rlib" "/opt/crater/target/debug/deps/libcrossbeam_utils-026d24b9961da4f1.rlib" "/opt/crater/target/debug/deps/libcfg_if-b3a66c4c913947fb.rlib" "/opt/crater/target/debug/deps/libmopa-bdc26a1b7551a1d8.rlib" "/opt/crater/target/debug/deps/libfxhash-d79cc704e23c9688.rlib" "/opt/crater/target/debug/deps/libbyteorder-1a1b15f729bcf83c.rlib" "/opt/crater/target/debug/deps/libarrayvec-308b168771492712.rlib" "/opt/crater/target/debug/deps/libnodrop-7f98e5f8ec110eeb.rlib" "/opt/crater/target/debug/deps/libsdl2-2cbb8212bb44a23f.rlib" "/opt/crater/target/debug/deps/librand-be1db9beaba55f96.rlib" "/opt/crater/target/debug/deps/librand_xorshift-b16de7bb3863a048.rlib" "/opt/crater/target/debug/deps/librand_pcg-65721c37f161e149.rlib" "/opt/crater/target/debug/deps/librand_hc-76086c17172522a7.rlib" "/opt/crater/target/debug/deps/librand_chacha-d61a3d8be7d6c10a.rlib" "/opt/crater/target/debug/deps/librand_isaac-35be0fc8c3a7c504.rlib" "/opt/crater/target/debug/deps/librand_core-7906af82bc31729e.rlib" "/opt/crater/target/debug/deps/librand_os-88025ee6e43d1da6.rlib" "/opt/crater/target/debug/deps/librand_jitter-3f7e8a2892ed93ea.rlib" "/opt/crater/target/debug/deps/librand_core-948b7aad8fedc31f.rlib" "/opt/crater/target/debug/deps/libsdl2_sys-ec66af07c851d3fe.rlib" "/opt/crater/target/debug/deps/libbitflags-67998902f09e32c1.rlib" "/opt/crater/target/debug/deps/liblibc-0dcb476daa67c749.rlib" "/opt/crater/target/debug/deps/libnum-d77c5714bd491da7.rlib" "/opt/crater/target/debug/deps/libnum_iter-c2670023c017b43e.rlib" "/opt/crater/target/debug/deps/libnum_integer-2746dc7a3b917a7f.rlib" "/opt/crater/target/debug/deps/libnum_traits-b79693a5d7e93180.rlib" "/opt/crater/target/debug/deps/liblazy_static-1f7a4359e40a6da9.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-1d6d86bd078a28e9.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-e9721e46a424e2a9.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-c07193698f282147.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-6da45690f3863086.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-690797036dd27680.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-d3896ccbfd8eda2b.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-7cccc3739e3d7623.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-5e9ba178a513cd29.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-5ca9f83bf63d1f4b.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-bba1c7ef9e950882.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-e23c9de62012deb5.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-9b59dffdcd513d5d.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-17392340ab2e4a97.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-ac21508a81e3f7f3.rlib" "-Wl,-Bdynamic" "-lSDL2" "-lSDL2_image" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil"
[INFO] [stderr]   = note: /usr/bin/ld: cannot find -lSDL2_image
[INFO] [stderr]           collect2: error: ld returned 1 exit status
[INFO] [stderr]           
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `caves`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "d69e89564588f011e093ff4475b63c161877923fb6e38ac175fa19cc5c87988a"`
[INFO] running `"docker" "rm" "-f" "d69e89564588f011e093ff4475b63c161877923fb6e38ac175fa19cc5c87988a"`
[INFO] [stdout] d69e89564588f011e093ff4475b63c161877923fb6e38ac175fa19cc5c87988a