[INFO] cloning repository https://github.com/pixlark/rust-2048 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pixlark/rust-2048" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpixlark%2Frust-2048", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpixlark%2Frust-2048'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5c4cad366c974d5471e6db2a1b727b8c9133b342 [INFO] testing pixlark/rust-2048 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpixlark%2Frust-2048" "/workspace/builds/worker-13/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/pixlark/rust-2048 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-13/source/Cargo.toml [INFO] crate git repo https://github.com/pixlark/rust-2048 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rand_isaac v0.1.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8b453ecf6a180474b20bc01b6c9854a663c385d7285fc1fab8eb3627f2dd0916 [INFO] running `Command { std: "docker" "start" "-a" "8b453ecf6a180474b20bc01b6c9854a663c385d7285fc1fab8eb3627f2dd0916", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8b453ecf6a180474b20bc01b6c9854a663c385d7285fc1fab8eb3627f2dd0916", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8b453ecf6a180474b20bc01b6c9854a663c385d7285fc1fab8eb3627f2dd0916", kill_on_drop: false }` [INFO] [stdout] 8b453ecf6a180474b20bc01b6c9854a663c385d7285fc1fab8eb3627f2dd0916 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1aa0c9a4cdd913b6c93eab7d3b38b39a8bdf6bb2bfc2ca254d78814f50b07a84 [INFO] running `Command { std: "docker" "start" "-a" "1aa0c9a4cdd913b6c93eab7d3b38b39a8bdf6bb2bfc2ca254d78814f50b07a84", kill_on_drop: false }` [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling libc v0.2.44 [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Compiling rand_core v0.3.0 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Compiling num-iter v0.1.37 [INFO] [stderr] Compiling cfg-if v0.1.6 [INFO] [stderr] Compiling lazy_static v0.2.11 [INFO] [stderr] Compiling game-2048 v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling lazy_static v1.2.0 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_xorshift v0.1.0 [INFO] [stderr] Compiling rand_isaac v0.1.0 [INFO] [stderr] Compiling sdl2-sys v0.31.0 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling rand v0.4.3 [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 v0.3.22 [INFO] [stderr] Compiling num v0.1.42 [INFO] [stderr] Compiling sdl2 v0.31.0 [INFO] [stdout] warning: unused import: `sdl2::video::WindowContext` [INFO] [stdout] --> src/main.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | use sdl2::video::WindowContext; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `v2` should have an upper camel case name [INFO] [stdout] --> src/main.rs:44:8 [INFO] [stdout] | [INFO] [stdout] 44 | struct v2 { [INFO] [stdout] | ^^ help: convert the identifier to upper camel case (notice the capitalization): `V2` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `rand::Rng::choose`: use SliceRandom::choose instead [INFO] [stdout] --> src/main.rs:267:32 [INFO] [stdout] | [INFO] [stdout] 267 | let choice: u64 = *rng.choose(&[2, 4]).unwrap(); [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `state_stack` [INFO] [stdout] --> src/main.rs:321:13 [INFO] [stdout] | [INFO] [stdout] 321 | let mut state_stack: Vec> = Vec::new(); [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_state_stack` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:321:9 [INFO] [stdout] | [INFO] [stdout] 321 | let mut state_stack: Vec> = Vec::new(); [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get_fitness` [INFO] [stdout] --> src/main.rs:270:8 [INFO] [stdout] | [INFO] [stdout] 270 | fn get_fitness(&self) -> usize { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `PlayingState` [INFO] [stdout] --> src/main.rs:301:8 [INFO] [stdout] | [INFO] [stdout] 301 | struct PlayingState { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: static variable `color_map` should have an upper case name [INFO] [stdout] --> src/main.rs:27:16 [INFO] [stdout] | [INFO] [stdout] 27 | static ref color_map: HashMap = { [INFO] [stdout] | ^^^^^^^^^ help: convert the identifier to upper case: `COLOR_MAP` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:159:21 [INFO] [stdout] | [INFO] [stdout] 159 | / canvas.copy( [INFO] [stdout] 160 | | &texture, [INFO] [stdout] 161 | | None, [INFO] [stdout] 162 | | Some(Rect::new( [INFO] [stdout] ... | [INFO] [stdout] 167 | | )), [INFO] [stdout] 168 | | ); [INFO] [stdout] | |______________________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: linking with `cc` failed: exit status: 1 [INFO] [stdout] | [INFO] [stdout] = note: "cc" "-m64" "/opt/rustwide/target/debug/deps/game_2048-8d66e4dea8572623.game_2048.f7c3cde2-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/game_2048-8d66e4dea8572623.game_2048.f7c3cde2-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/game_2048-8d66e4dea8572623.game_2048.f7c3cde2-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/game_2048-8d66e4dea8572623.game_2048.f7c3cde2-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/game_2048-8d66e4dea8572623.game_2048.f7c3cde2-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/game_2048-8d66e4dea8572623.game_2048.f7c3cde2-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/game_2048-8d66e4dea8572623.game_2048.f7c3cde2-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/game_2048-8d66e4dea8572623.game_2048.f7c3cde2-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/game_2048-8d66e4dea8572623.game_2048.f7c3cde2-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/game_2048-8d66e4dea8572623.game_2048.f7c3cde2-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/game_2048-8d66e4dea8572623.game_2048.f7c3cde2-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/game_2048-8d66e4dea8572623.game_2048.f7c3cde2-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/game_2048-8d66e4dea8572623.game_2048.f7c3cde2-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/game_2048-8d66e4dea8572623.game_2048.f7c3cde2-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/game_2048-8d66e4dea8572623.game_2048.f7c3cde2-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/game_2048-8d66e4dea8572623.game_2048.f7c3cde2-cgu.9.rcgu.o" "/opt/rustwide/target/debug/deps/game_2048-8d66e4dea8572623.2vq7e9rvyu3t0y7n.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/liblazy_static-c9a377f868a21fa8.rlib" "/opt/rustwide/target/debug/deps/libsdl2-ab5c7e4c3cc481e5.rlib" "/opt/rustwide/target/debug/deps/librand-aa6a42e01e2bd6aa.rlib" "/opt/rustwide/target/debug/deps/librand-1a92d9c4a9b9c0bf.rlib" "/opt/rustwide/target/debug/deps/libsdl2_sys-a67721233cc4852b.rlib" "/opt/rustwide/target/debug/deps/libbitflags-80053f417b3b3269.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-e7ca4d0d8274d779.rlib" "/opt/rustwide/target/debug/deps/libnum-a64921edb5c7213e.rlib" "/opt/rustwide/target/debug/deps/libnum_iter-b5a90f8942b2f573.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-c86ff70ebcf01844.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-bf28edad26a0550e.rlib" "/opt/rustwide/target/debug/deps/librand-d8bc5230e0d64d83.rlib" "/opt/rustwide/target/debug/deps/liblibc-74da5a9f9d2078bb.rlib" "/opt/rustwide/target/debug/deps/librand_xorshift-b9fbf0e52d983d6b.rlib" "/opt/rustwide/target/debug/deps/librand_pcg-49f9b6af068ce343.rlib" "/opt/rustwide/target/debug/deps/librand_hc-ae67eab7dca2bdd1.rlib" "/opt/rustwide/target/debug/deps/librand_chacha-ccfedb9973624196.rlib" "/opt/rustwide/target/debug/deps/librand_isaac-d638a9c1fcc01315.rlib" "/opt/rustwide/target/debug/deps/librand_core-f92309a95db5cdc5.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-37fdd654777c296f.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-d883bf2137e9181a.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-22ab8f3db88b586e.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-0167c9242d0931d5.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-361790a1a5505fc5.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-01c2ffe1ecd05a67.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-ec79e29a889fe805.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-001a3456e8a8331b.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-e8f1404290f0f040.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-76f46d0f23360a60.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-baf0bdc5eb131895.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-3a6a4ee6592d9370.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-1cc90d9dd57195f8.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-0e91863ffbec5148.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-69528f2eac185ac9.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-52d5241975807511.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-9924c22ae1efcf66.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-d1241f7bd234a268.rlib" "-Wl,-Bdynamic" "-lSDL2_ttf" "-lSDL2" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/game_2048-8d66e4dea8572623" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" [INFO] [stdout] = note: /usr/bin/ld: cannot find -lSDL2_ttf [INFO] [stdout] collect2: error: ld returned 1 exit status [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `game-2048` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `Command { std: "docker" "inspect" "1aa0c9a4cdd913b6c93eab7d3b38b39a8bdf6bb2bfc2ca254d78814f50b07a84", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1aa0c9a4cdd913b6c93eab7d3b38b39a8bdf6bb2bfc2ca254d78814f50b07a84", kill_on_drop: false }` [INFO] [stdout] 1aa0c9a4cdd913b6c93eab7d3b38b39a8bdf6bb2bfc2ca254d78814f50b07a84