[INFO] updating cached repository https://github.com/pixlark/rust-2048 [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 5c4cad366c974d5471e6db2a1b727b8c9133b342 [INFO] testing pixlark/rust-2048 against 1.44.0 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpixlark%2Frust-2048" "/workspace/builds/worker-11/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/pixlark/rust-2048 on toolchain 1.44.0 [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/pixlark/rust-2048 [INFO] finished tweaking git repo https://github.com/pixlark/rust-2048 [INFO] tweaked toml for git repo https://github.com/pixlark/rust-2048 written to /workspace/builds/worker-11/source/Cargo.toml [INFO] crate git repo https://github.com/pixlark/rust-2048 already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 7eb923ef96bcc9d29d9d1feb4366d6f4a31da3e1f9bce77990b20dfdc70c93db [INFO] running `"docker" "start" "-a" "7eb923ef96bcc9d29d9d1feb4366d6f4a31da3e1f9bce77990b20dfdc70c93db"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Compiling libc v0.2.44 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Compiling num-iter v0.1.37 [INFO] [stderr] Compiling game-2048 v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling rand_xorshift v0.1.0 [INFO] [stderr] Compiling rand_isaac v0.1.0 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling sdl2-sys v0.31.0 [INFO] [stderr] Compiling rand_pcg v0.1.1 [INFO] [stderr] Compiling rand_chacha v0.1.0 [INFO] [stderr] Compiling rand v0.6.1 [INFO] [stderr] Compiling rand v0.4.3 [INFO] [stderr] Compiling rand v0.3.22 [INFO] [stderr] Compiling num v0.1.42 [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 (notice the capitalization): `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:321:9 [INFO] [stderr] | [INFO] [stderr] 321 | let mut state_stack: Vec> = Vec::new(); [INFO] [stderr] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it 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:301:8 [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/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/game_2048-a32b22725c85f192.game_2048.dz3b8dx8-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/game_2048-a32b22725c85f192.game_2048.dz3b8dx8-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/game_2048-a32b22725c85f192.game_2048.dz3b8dx8-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/game_2048-a32b22725c85f192.game_2048.dz3b8dx8-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/game_2048-a32b22725c85f192.game_2048.dz3b8dx8-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/game_2048-a32b22725c85f192.game_2048.dz3b8dx8-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/game_2048-a32b22725c85f192.game_2048.dz3b8dx8-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/game_2048-a32b22725c85f192.game_2048.dz3b8dx8-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/game_2048-a32b22725c85f192.game_2048.dz3b8dx8-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/game_2048-a32b22725c85f192.game_2048.dz3b8dx8-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/game_2048-a32b22725c85f192.game_2048.dz3b8dx8-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/game_2048-a32b22725c85f192.game_2048.dz3b8dx8-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/game_2048-a32b22725c85f192.game_2048.dz3b8dx8-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/game_2048-a32b22725c85f192.game_2048.dz3b8dx8-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/game_2048-a32b22725c85f192.game_2048.dz3b8dx8-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/game_2048-a32b22725c85f192.game_2048.dz3b8dx8-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/game_2048-a32b22725c85f192" "/opt/rustwide/target/debug/deps/game_2048-a32b22725c85f192.1snkwo6oqxe1b136.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/liblazy_static-fc6ae06af858b32a.rlib" "/opt/rustwide/target/debug/deps/libsdl2-4245352c2e34d3bb.rlib" "/opt/rustwide/target/debug/deps/librand-e385df04eb788ec1.rlib" "/opt/rustwide/target/debug/deps/librand-28d68b81bc2140e0.rlib" "/opt/rustwide/target/debug/deps/libsdl2_sys-762be67035d91113.rlib" "/opt/rustwide/target/debug/deps/libbitflags-717e7ed2379fc03d.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-1feaaa5f89c5098b.rlib" "/opt/rustwide/target/debug/deps/libnum-5f5872861c0c13ba.rlib" "/opt/rustwide/target/debug/deps/libnum_iter-732240c27cd4cc7a.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-5606e6a79944cd55.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-3d725454dc35e92a.rlib" "/opt/rustwide/target/debug/deps/librand-fa14a0e92b9dd79d.rlib" "/opt/rustwide/target/debug/deps/liblibc-8178c70d7148a6f8.rlib" "/opt/rustwide/target/debug/deps/librand_xorshift-be0c086ff030482f.rlib" "/opt/rustwide/target/debug/deps/librand_pcg-c986e34dc9ac94c8.rlib" "/opt/rustwide/target/debug/deps/librand_hc-f16fef89bae47776.rlib" "/opt/rustwide/target/debug/deps/librand_chacha-6b7f4db42a2d526d.rlib" "/opt/rustwide/target/debug/deps/librand_isaac-ff3f5360d932f3dd.rlib" "/opt/rustwide/target/debug/deps/librand_core-db8f890f1662cc9c.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-205127404fcba336.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-a657948fb7763780.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-4af901391177f653.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-9bdd51edf637d1e0.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-df9a9630b2ea2e1e.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-fddbfe63d5cc9339.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-dc1fcc6e43806791.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-e2f4bff19e00107e.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-a152d13c1d7ed405.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-d92b841792fc008d.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-a64c249515c023f5.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-57654524b3e40c00.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-72180f1527a726a2.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-990cc8f4a91a3ab4.rlib" "-Wl,-Bdynamic" "-lSDL2_ttf" "-lSDL2" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-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; 9 warnings emitted [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" "7eb923ef96bcc9d29d9d1feb4366d6f4a31da3e1f9bce77990b20dfdc70c93db"` [INFO] running `"docker" "rm" "-f" "7eb923ef96bcc9d29d9d1feb4366d6f4a31da3e1f9bce77990b20dfdc70c93db"` [INFO] [stdout] 7eb923ef96bcc9d29d9d1feb4366d6f4a31da3e1f9bce77990b20dfdc70c93db