[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-1.37-6/sources/1.36.0/gh/sunjay/caves"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/sunjay/caves'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sunjay/caves" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/sunjay/caves"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/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 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of sunjay/caves on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "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-1.37-6/sources/1.36.0/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-1.37-6/sources/beta-2019-07-23/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" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing sunjay/caves against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 67c6c53672473e5b468a7d6b240ae2c29031eda4d9712a4fe3e19f4cd78dad4a
[INFO] running `"docker" "start" "-a" "67c6c53672473e5b468a7d6b240ae2c29031eda4d9712a4fe3e19f4cd78dad4a"`
[INFO] [stderr]    Compiling syn v0.15.29
[INFO] [stderr]    Compiling winapi v0.3.6
[INFO] [stderr]    Compiling sdl2 v0.32.2
[INFO] [stderr]    Compiling crossbeam-utils v0.6.5
[INFO] [stderr]    Compiling sdl2-sys v0.32.5
[INFO] [stderr]    Compiling nonzero_signed v1.0.3
[INFO] [stderr]    Compiling rand v0.5.6
[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 rand v0.6.5
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling crossbeam-deque v0.5.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.6.1
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling parking_lot v0.5.5
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling parking_lot v0.6.4
[INFO] [stderr]    Compiling crossbeam-channel v0.2.6
[INFO] [stderr]    Compiling crossbeam v0.4.1
[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-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/caves-f1fe008f712fbcd1.caves.431p7yjz-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/caves-f1fe008f712fbcd1.caves.431p7yjz-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/caves-f1fe008f712fbcd1.caves.431p7yjz-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/caves-f1fe008f712fbcd1.caves.431p7yjz-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/caves-f1fe008f712fbcd1.caves.431p7yjz-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/caves-f1fe008f712fbcd1.caves.431p7yjz-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/caves-f1fe008f712fbcd1.caves.431p7yjz-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/caves-f1fe008f712fbcd1.caves.431p7yjz-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/caves-f1fe008f712fbcd1.caves.431p7yjz-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/caves-f1fe008f712fbcd1.caves.431p7yjz-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/caves-f1fe008f712fbcd1.caves.431p7yjz-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/caves-f1fe008f712fbcd1.caves.431p7yjz-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/caves-f1fe008f712fbcd1.caves.431p7yjz-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/caves-f1fe008f712fbcd1.caves.431p7yjz-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/caves-f1fe008f712fbcd1.caves.431p7yjz-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/caves-f1fe008f712fbcd1.caves.431p7yjz-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/caves-f1fe008f712fbcd1" "/opt/crater/target/debug/deps/caves-f1fe008f712fbcd1.5clr9e9xt2cyxcz9.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/librusttype-5a70572202b0d01f.rlib" "/opt/crater/target/debug/deps/libstb_truetype-822ddea7656aed01.rlib" "/opt/crater/target/debug/deps/libapprox-d39a656ef0530a51.rlib" "/opt/crater/target/debug/deps/libordered_float-68c8509eb8b7a0fe.rlib" "/opt/crater/target/debug/deps/libcolored-0ddf0d3761cbf9fa.rlib" "/opt/crater/target/debug/deps/libbase64-b08a3a402d16a57e.rlib" "/opt/crater/target/debug/deps/libcomponent_group-2a1519e8c31158e9.rlib" "/opt/crater/target/debug/deps/libspecs-5b7fe203fe04e17d.rlib" "/opt/crater/target/debug/deps/libtuple_utils-a7d7feb7afaf803a.rlib" "/opt/crater/target/debug/deps/libshrev-06d803c9f92ffc2f.rlib" "/opt/crater/target/debug/deps/libparking_lot-eb2a9bbf82886f4b.rlib" "/opt/crater/target/debug/deps/libparking_lot_core-abc005ab748c5e53.rlib" "/opt/crater/target/debug/deps/librand-70425af6be269b2f.rlib" "/opt/crater/target/debug/deps/libowning_ref-4b70c95a2731814b.rlib" "/opt/crater/target/debug/deps/libnonzero_signed-c50a0ebf80c377bd.rlib" "/opt/crater/target/debug/deps/liblog-7ee2fe78048b6c34.rlib" "/opt/crater/target/debug/deps/libhibitset-b49053e41a8ab123.rlib" "/opt/crater/target/debug/deps/libatom-f8a7e7db88aecc10.rlib" "/opt/crater/target/debug/deps/libfnv-9c46c9dc8e117f05.rlib" "/opt/crater/target/debug/deps/libcrossbeam-461da5d2dda9631b.rlib" "/opt/crater/target/debug/deps/libcrossbeam_deque-0bae3e6bf39c504e.rlib" "/opt/crater/target/debug/deps/libcrossbeam_epoch-61ff0095c905bb59.rlib" "/opt/crater/target/debug/deps/libcrossbeam_channel-71fed0b8384eae47.rlib" "/opt/crater/target/debug/deps/libparking_lot-4012d3dc999ddf57.rlib" "/opt/crater/target/debug/deps/libparking_lot_core-9ea2c4f8a066a5e3.rlib" "/opt/crater/target/debug/deps/liblock_api-3fc8af4b186c35a8.rlib" "/opt/crater/target/debug/deps/libowning_ref-f49604bedfa4ae1c.rlib" "/opt/crater/target/debug/deps/libstable_deref_trait-287a8a8ca6ec21fa.rlib" "/opt/crater/target/debug/deps/librand-4e71693feac806ab.rlib" "/opt/crater/target/debug/deps/libcrossbeam_utils-7895d1ef454af0f9.rlib" "/opt/crater/target/debug/deps/libcrossbeam_epoch-71f0c53f0bd336ab.rlib" "/opt/crater/target/debug/deps/libcrossbeam_utils-209c4e754a9cb58f.rlib" "/opt/crater/target/debug/deps/libshred-4ede5387c4b02966.rlib" "/opt/crater/target/debug/deps/libsmallvec-e0c425bf1f7f0c71.rlib" "/opt/crater/target/debug/deps/librayon-4fd421646f7cbcc8.rlib" "/opt/crater/target/debug/deps/libeither-bd2cc8583cb7e9e7.rlib" "/opt/crater/target/debug/deps/librayon_core-97cda1c7ed051b69.rlib" "/opt/crater/target/debug/deps/libnum_cpus-b891631c50f3aa04.rlib" "/opt/crater/target/debug/deps/libcrossbeam_deque-1f604929397ea748.rlib" "/opt/crater/target/debug/deps/libcrossbeam_epoch-956785d536f5529a.rlib" "/opt/crater/target/debug/deps/libscopeguard-afc08b825b950866.rlib" "/opt/crater/target/debug/deps/libmemoffset-ef971ccc3957ca71.rlib" "/opt/crater/target/debug/deps/libcrossbeam_utils-a88bdfda26d15bdc.rlib" "/opt/crater/target/debug/deps/libcfg_if-ed68c9a1ad96df3c.rlib" "/opt/crater/target/debug/deps/libmopa-d9e951e34bd43684.rlib" "/opt/crater/target/debug/deps/libfxhash-b903b853e1177717.rlib" "/opt/crater/target/debug/deps/libbyteorder-301089d538415037.rlib" "/opt/crater/target/debug/deps/libarrayvec-03850c5bb778b6fd.rlib" "/opt/crater/target/debug/deps/libnodrop-36ce0cdfb7359e6a.rlib" "/opt/crater/target/debug/deps/libsdl2-f8dbe05cd796a0f1.rlib" "/opt/crater/target/debug/deps/librand-74fc4464f4d6075b.rlib" "/opt/crater/target/debug/deps/librand_xorshift-c37135569305816d.rlib" "/opt/crater/target/debug/deps/librand_pcg-e2e1a0d1728dcbd2.rlib" "/opt/crater/target/debug/deps/librand_hc-2e617981d71d68fb.rlib" "/opt/crater/target/debug/deps/librand_chacha-c7b8d6e6a71680df.rlib" "/opt/crater/target/debug/deps/librand_isaac-e2932bc2eab2b64f.rlib" "/opt/crater/target/debug/deps/librand_core-cb99a0b940c27ed9.rlib" "/opt/crater/target/debug/deps/librand_os-054ac5460bdb791a.rlib" "/opt/crater/target/debug/deps/librand_jitter-94868213c3989353.rlib" "/opt/crater/target/debug/deps/librand_core-4c9a550ae16dbf0f.rlib" "/opt/crater/target/debug/deps/libsdl2_sys-b937cc09e0e7a859.rlib" "/opt/crater/target/debug/deps/libbitflags-e31ad08aaa94ea6a.rlib" "/opt/crater/target/debug/deps/liblibc-beaccd0a69157a74.rlib" "/opt/crater/target/debug/deps/libnum-6d1c41becdc658de.rlib" "/opt/crater/target/debug/deps/libnum_iter-6a53ebaecf43d64b.rlib" "/opt/crater/target/debug/deps/libnum_integer-3e4b662ece72588f.rlib" "/opt/crater/target/debug/deps/libnum_traits-b0613bcbd790bfdc.rlib" "/opt/crater/target/debug/deps/liblazy_static-6a4e8ea56a445919.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-a80a1e8e09cafef8.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-e0e6351da805c468.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-e04f54bafc95e331.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-67901d3322495bd5.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-bd390b1abaceaec1.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-312dd37fdc7bedfc.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-8ed0e51d58d644a3.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-8a423c320a6c707f.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-d6a95598e2238263.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-d231614b153016eb.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-3821619027f463e4.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-1cfd794d18771a44.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-dcf33cf10c2452ef.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-c258fea34bf64bce.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" "67c6c53672473e5b468a7d6b240ae2c29031eda4d9712a4fe3e19f4cd78dad4a"`
[INFO] running `"docker" "rm" "-f" "67c6c53672473e5b468a7d6b240ae2c29031eda4d9712a4fe3e19f4cd78dad4a"`
[INFO] [stdout] 67c6c53672473e5b468a7d6b240ae2c29031eda4d9712a4fe3e19f4cd78dad4a