[INFO] cloning repository pixlark/rust-2048 [INFO] running `"git" "clone" "--bare" "git://github.com/pixlark/rust-2048.git" "work/cache/sources/gh/pixlark/rust-2048"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/pixlark/rust-2048'... [INFO] running `"git" "clone" "work/cache/sources/gh/pixlark/rust-2048" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/pixlark/rust-2048"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/pixlark/rust-2048'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/pixlark/rust-2048" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/pixlark/rust-2048"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/pixlark/rust-2048'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 5c4cad366c974d5471e6db2a1b727b8c9133b342 [INFO] sha for GitHub repo pixlark/rust-2048: 5c4cad366c974d5471e6db2a1b727b8c9133b342 [INFO] validating manifest of pixlark/rust-2048 on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of pixlark/rust-2048 on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing pixlark/rust-2048 [INFO] finished frobbing pixlark/rust-2048 [INFO] frobbed toml for pixlark/rust-2048 written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/pixlark/rust-2048/Cargo.toml [INFO] started frobbing pixlark/rust-2048 [INFO] finished frobbing pixlark/rust-2048 [INFO] frobbed toml for pixlark/rust-2048 written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/pixlark/rust-2048/Cargo.toml [INFO] crate pixlark/rust-2048 already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing pixlark/rust-2048 against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/pixlark/rust-2048:/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=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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"` [INFO] [stdout] 9590c1eacdee46552a1f63c8bb1ccacffa6deec3f961c8d6e9a93430f91effab [INFO] running `"docker" "start" "-a" "9590c1eacdee46552a1f63c8bb1ccacffa6deec3f961c8d6e9a93430f91effab"` [INFO] [stderr] Compiling game-2048 v0.1.0 (/opt/crater/workdir) [INFO] [stderr] Compiling sdl2 v0.31.0 [INFO] [stderr] warning: unused import: `sdl2::video::WindowContext` [INFO] [stderr] --> src/main.rs:15:5 [INFO] [stderr] | [INFO] [stderr] 15 | use sdl2::video::WindowContext; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: type `v2` should have an upper camel case name [INFO] [stderr] --> src/main.rs:44:8 [INFO] [stderr] | [INFO] [stderr] 44 | struct v2 { [INFO] [stderr] | ^^ help: convert the identifier to upper camel case: `V2` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_camel_case_types)] on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'rand::Rng::choose': use SliceRandom::choose instead [INFO] [stderr] --> src/main.rs:267:32 [INFO] [stderr] | [INFO] [stderr] 267 | let choice: u64 = *rng.choose(&[2, 4]).unwrap(); [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(deprecated)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `state_stack` [INFO] [stderr] --> src/main.rs:321:13 [INFO] [stderr] | [INFO] [stderr] 321 | let mut state_stack: Vec> = Vec::new(); [INFO] [stderr] | ^^^^^^^^^^^ help: consider prefixing with an underscore: `_state_stack` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:321:9 [INFO] [stderr] | [INFO] [stderr] 321 | let mut state_stack: Vec> = Vec::new(); [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: method is never used: `get_fitness` [INFO] [stderr] --> src/main.rs:270:5 [INFO] [stderr] | [INFO] [stderr] 270 | fn get_fitness(&self) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `PlayingState` [INFO] [stderr] --> src/main.rs:301:1 [INFO] [stderr] | [INFO] [stderr] 301 | struct PlayingState { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: static variable `color_map` should have an upper case name [INFO] [stderr] --> src/main.rs:27:16 [INFO] [stderr] | [INFO] [stderr] 27 | static ref color_map: HashMap = { [INFO] [stderr] | ^^^^^^^^^ help: convert the identifier to upper case: `COLOR_MAP` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_upper_case_globals)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:159:21 [INFO] [stderr] | [INFO] [stderr] 159 | / canvas.copy( [INFO] [stderr] 160 | | &texture, [INFO] [stderr] 161 | | None, [INFO] [stderr] 162 | | Some(Rect::new( [INFO] [stderr] ... | [INFO] [stderr] 167 | | )), [INFO] [stderr] 168 | | ); [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] 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/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/game_2048-9ac87c59f1e87af8.game_2048.2lc4tc2q-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/game_2048-9ac87c59f1e87af8.game_2048.2lc4tc2q-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/game_2048-9ac87c59f1e87af8.game_2048.2lc4tc2q-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/game_2048-9ac87c59f1e87af8.game_2048.2lc4tc2q-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/game_2048-9ac87c59f1e87af8.game_2048.2lc4tc2q-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/game_2048-9ac87c59f1e87af8.game_2048.2lc4tc2q-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/game_2048-9ac87c59f1e87af8.game_2048.2lc4tc2q-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/game_2048-9ac87c59f1e87af8.game_2048.2lc4tc2q-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/game_2048-9ac87c59f1e87af8.game_2048.2lc4tc2q-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/game_2048-9ac87c59f1e87af8.game_2048.2lc4tc2q-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/game_2048-9ac87c59f1e87af8.game_2048.2lc4tc2q-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/game_2048-9ac87c59f1e87af8.game_2048.2lc4tc2q-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/game_2048-9ac87c59f1e87af8.game_2048.2lc4tc2q-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/game_2048-9ac87c59f1e87af8.game_2048.2lc4tc2q-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/game_2048-9ac87c59f1e87af8.game_2048.2lc4tc2q-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/game_2048-9ac87c59f1e87af8.game_2048.2lc4tc2q-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/game_2048-9ac87c59f1e87af8" "/opt/crater/target/debug/deps/game_2048-9ac87c59f1e87af8.3ezaxfce1i4e4vie.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/liblazy_static-735172ffe5c4978c.rlib" "/opt/crater/target/debug/deps/libsdl2-347240d469c8d30e.rlib" "/opt/crater/target/debug/deps/librand-ae29ae3b89d5b4ac.rlib" "/opt/crater/target/debug/deps/librand-70265de55dfaf390.rlib" "/opt/crater/target/debug/deps/libsdl2_sys-7ed5bf2d2954acc9.rlib" "/opt/crater/target/debug/deps/libbitflags-cb0300d7373a08e3.rlib" "/opt/crater/target/debug/deps/liblazy_static-9b17a9645fc94ad9.rlib" "/opt/crater/target/debug/deps/libnum-49e206f4ab46d7c6.rlib" "/opt/crater/target/debug/deps/libnum_iter-4c2592bdcf755dee.rlib" "/opt/crater/target/debug/deps/libnum_integer-9488503a36788878.rlib" "/opt/crater/target/debug/deps/libnum_traits-863ec76389318891.rlib" "/opt/crater/target/debug/deps/librand-85e1c43fc81e2151.rlib" "/opt/crater/target/debug/deps/liblibc-788b8763d1eaae2e.rlib" "/opt/crater/target/debug/deps/librand_xorshift-592dce96c661025c.rlib" "/opt/crater/target/debug/deps/librand_pcg-b760709c417620d0.rlib" "/opt/crater/target/debug/deps/librand_hc-2c2f7de6c79fe0f6.rlib" "/opt/crater/target/debug/deps/librand_chacha-d886c5d14510d898.rlib" "/opt/crater/target/debug/deps/librand_isaac-f4da282271f7b7ad.rlib" "/opt/crater/target/debug/deps/librand_core-313e7882eb7ea035.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-196d0eff8e603c0a.rlib" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-1c597f5941591e04.rlib" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-a20af2d3380aa511.rlib" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-f989f9e071798586.rlib" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-52fb60b932b5ef90.rlib" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-90a3fdc679697856.rlib" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-06d10270cfa51644.rlib" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-8abb913fca550f79.rlib" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-31fd2baab47b156c.rlib" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-0862cc65189bd4af.rlib" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-8010b8629f5aa3e5.rlib" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-2d032fe7d4e1e163.rlib" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-622fdce0dc084cba.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-a17fdd0a687135a8.rlib" "-Wl,-Bdynamic" "-lSDL2_ttf" "-lSDL2" "-lutil" "-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-2048`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "9590c1eacdee46552a1f63c8bb1ccacffa6deec3f961c8d6e9a93430f91effab"` [INFO] running `"docker" "rm" "-f" "9590c1eacdee46552a1f63c8bb1ccacffa6deec3f961c8d6e9a93430f91effab"` [INFO] [stdout] 9590c1eacdee46552a1f63c8bb1ccacffa6deec3f961c8d6e9a93430f91effab