[INFO] updating cached repository patallen/gol-rust [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/patallen/gol-rust [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/patallen/gol-rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/patallen/gol-rust"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/patallen/gol-rust'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/patallen/gol-rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/patallen/gol-rust"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/patallen/gol-rust'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] aa6fda3459c07ea4127f2131d4df751f79fe1eef [INFO] sha for GitHub repo patallen/gol-rust: aa6fda3459c07ea4127f2131d4df751f79fe1eef [INFO] validating manifest of patallen/gol-rust 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 patallen/gol-rust 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 patallen/gol-rust [INFO] finished frobbing patallen/gol-rust [INFO] frobbed toml for patallen/gol-rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/patallen/gol-rust/Cargo.toml [INFO] started frobbing patallen/gol-rust [INFO] finished frobbing patallen/gol-rust [INFO] frobbed toml for patallen/gol-rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/patallen/gol-rust/Cargo.toml [INFO] crate patallen/gol-rust 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] [stderr] Blocking waiting for file lock on package cache [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 patallen/gol-rust 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/patallen/gol-rust:/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] 6b09926eb64a34ca6a17888b404eb43d456263efe2c56399252e4b556961dcb2 [INFO] running `"docker" "start" "-a" "6b09926eb64a34ca6a17888b404eb43d456263efe2c56399252e4b556961dcb2"` [INFO] [stderr] Compiling sdl2-sys v0.30.0 [INFO] [stderr] Compiling rand v0.3.15 [INFO] [stderr] Compiling sdl2 v0.30.0 [INFO] [stderr] Compiling game_of_life v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/engine/scene.rs:4:27 [INFO] [stderr] | [INFO] [stderr] 4 | pub type BoxedScene = Box; [INFO] [stderr] | ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Scene + 'static` [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/engine/scene.rs:25:46 [INFO] [stderr] | [INFO] [stderr] 25 | pub fn top(&mut self) -> Option<&mut Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Scene` [INFO] [stderr] [INFO] [stderr] warning: unused import: `sdl2::render::WindowCanvas` [INFO] [stderr] --> src/scenes.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use sdl2::render::WindowCanvas; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/game.rs:120:60 [INFO] [stderr] | [INFO] [stderr] 120 | &Event::MouseButtonDown{mouse_btn: button, x, y, ..} => match &self.mode { [INFO] [stderr] | ^ help: try ignoring the field: `x: _` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `y` [INFO] [stderr] --> src/game.rs:120:63 [INFO] [stderr] | [INFO] [stderr] 120 | &Event::MouseButtonDown{mouse_btn: button, x, y, ..} => match &self.mode { [INFO] [stderr] | ^ help: try ignoring the field: `y: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/game.rs:130:58 [INFO] [stderr] | [INFO] [stderr] 130 | &Event::MouseButtonUp{mouse_btn: button, x, y, ..} => match &self.mode { [INFO] [stderr] | ^ help: try ignoring the field: `x: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `y` [INFO] [stderr] --> src/game.rs:130:61 [INFO] [stderr] | [INFO] [stderr] 130 | &Event::MouseButtonUp{mouse_btn: button, x, y, ..} => match &self.mode { [INFO] [stderr] | ^ help: try ignoring the field: `y: _` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/board.rs:56:21 [INFO] [stderr] | [INFO] [stderr] 56 | let mut cell = &mut self.cells[ridx][cidx]; [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: type alias is never used: `em_callback_func` [INFO] [stderr] --> src/emscripten.rs:6:1 [INFO] [stderr] | [INFO] [stderr] 6 | type em_callback_func = unsafe extern fn(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: foreign function is never used: `emscripten_set_main_loop` [INFO] [stderr] --> src/emscripten.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | / fn emscripten_set_main_loop(func: em_callback_func, [INFO] [stderr] 9 | | fps: c_int, [INFO] [stderr] 10 | | simulate_infinite_loop: c_int); [INFO] [stderr] | |_______________________________________________________________^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `set_main_loop_callback` [INFO] [stderr] --> src/emscripten.rs:15:1 [INFO] [stderr] | [INFO] [stderr] 15 | pub fn set_main_loop_callback(callback: F) where F: FnMut() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `wrapper` [INFO] [stderr] --> src/emscripten.rs:22:1 [INFO] [stderr] | [INFO] [stderr] 22 | unsafe extern "C" fn wrapper() where F : FnMut() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `push` [INFO] [stderr] --> src/engine/scene.rs:22:5 [INFO] [stderr] | [INFO] [stderr] 22 | pub fn push(&mut self, state: BoxedScene) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `PauseScene` [INFO] [stderr] --> src/scenes.rs:40:1 [INFO] [stderr] | [INFO] [stderr] 40 | pub struct PauseScene {} [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `StartScene` [INFO] [stderr] --> src/scenes.rs:74:1 [INFO] [stderr] | [INFO] [stderr] 74 | pub struct StartScene {} [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/scenes.rs:66:9 [INFO] [stderr] | [INFO] [stderr] 66 | renderer.copy(&pausedt, None, Some(main_text.rect_centered(&top))); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/scenes.rs:67:9 [INFO] [stderr] | [INFO] [stderr] 67 | renderer.copy(&subt, None, Some(sub_text.rect_centered(&bottom))); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/scenes.rs:114:9 [INFO] [stderr] | [INFO] [stderr] 114 | renderer.copy(&pausedt, None, Some(main_text.rect_centered(&main))); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/scenes.rs:115:9 [INFO] [stderr] | [INFO] [stderr] 115 | renderer.copy(&ss1, None, Some(sub1.rect_centered(&s1))); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/scenes.rs:116:9 [INFO] [stderr] | [INFO] [stderr] 116 | renderer.copy(&ss2, None, Some(sub2.rect_centered(&s2))); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/scenes.rs:117:9 [INFO] [stderr] | [INFO] [stderr] 117 | renderer.copy(&ss3, None, Some(sub3.rect_centered(&s3))); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [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/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/game_of_life-e37d81fc457e1f2c.game_of_life.6kagpngz-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/game_of_life-e37d81fc457e1f2c.game_of_life.6kagpngz-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/game_of_life-e37d81fc457e1f2c.game_of_life.6kagpngz-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/game_of_life-e37d81fc457e1f2c.game_of_life.6kagpngz-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/game_of_life-e37d81fc457e1f2c.game_of_life.6kagpngz-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/game_of_life-e37d81fc457e1f2c.game_of_life.6kagpngz-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/game_of_life-e37d81fc457e1f2c.game_of_life.6kagpngz-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/game_of_life-e37d81fc457e1f2c.game_of_life.6kagpngz-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/game_of_life-e37d81fc457e1f2c.game_of_life.6kagpngz-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/game_of_life-e37d81fc457e1f2c.game_of_life.6kagpngz-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/game_of_life-e37d81fc457e1f2c.game_of_life.6kagpngz-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/game_of_life-e37d81fc457e1f2c.game_of_life.6kagpngz-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/game_of_life-e37d81fc457e1f2c.game_of_life.6kagpngz-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/game_of_life-e37d81fc457e1f2c.game_of_life.6kagpngz-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/game_of_life-e37d81fc457e1f2c.game_of_life.6kagpngz-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/game_of_life-e37d81fc457e1f2c.game_of_life.6kagpngz-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/game_of_life-e37d81fc457e1f2c" "/opt/crater/target/debug/deps/game_of_life-e37d81fc457e1f2c.2ik07xrjwqa08lfb.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libsdl2-da11c8189a640b27.rlib" "/opt/crater/target/debug/deps/librand-9d64eb9fdda50bd1.rlib" "/opt/crater/target/debug/deps/libsdl2_sys-87b61a1977cff898.rlib" "/opt/crater/target/debug/deps/libbitflags-05fa20c47058c1db.rlib" "/opt/crater/target/debug/deps/liblazy_static-ccea4a44c4af410d.rlib" "/opt/crater/target/debug/deps/liblibc-795cf1a76228b945.rlib" "/opt/crater/target/debug/deps/libnum-e2037b56da65a753.rlib" "/opt/crater/target/debug/deps/libnum_iter-d556ec6b6e3b2464.rlib" "/opt/crater/target/debug/deps/libnum_integer-bad0fcb027a87283.rlib" "/opt/crater/target/debug/deps/libnum_traits-b4e8227c37ddf86d.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-4a76ff35a356aedf.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-e11c7b3b3225afe2.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-13217ede3d276f16.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-621a9ee22da6caa1.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-546c844e8071bbeb.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-be9569e4d599746f.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-47d8845cef2a3bc5.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-017511bce73a530c.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-be7979c57a08057b.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-d6459c4f0817c67c.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-580035dd98451925.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-aee5c24fff305dea.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-8a55a4098920125a.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-9fc4b5be2ba5cc19.rlib" "-Wl,-Bdynamic" "-lSDL2_ttf" "-lSDL2" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil" [INFO] [stderr] = note: /usr/bin/ld: cannot find -lSDL2_ttf [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 `game_of_life`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "6b09926eb64a34ca6a17888b404eb43d456263efe2c56399252e4b556961dcb2"` [INFO] running `"docker" "rm" "-f" "6b09926eb64a34ca6a17888b404eb43d456263efe2c56399252e4b556961dcb2"` [INFO] [stdout] 6b09926eb64a34ca6a17888b404eb43d456263efe2c56399252e4b556961dcb2