[INFO] updating cached repository https://github.com/cnsr/rust-snake [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] 3f6de6d6dd85c6a9e61c2922de331bac962fc947 [INFO] testing cnsr/rust-snake against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcnsr%2Frust-snake" "/workspace/builds/worker-9/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/cnsr/rust-snake on toolchain 28742a1146f10a4f09369baad027a464acb7a766 [INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/cnsr/rust-snake [INFO] finished tweaking git repo https://github.com/cnsr/rust-snake [INFO] tweaked toml for git repo https://github.com/cnsr/rust-snake written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/cnsr/rust-snake already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=forbid" "-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" "+28742a1146f10a4f09369baad027a464acb7a766" "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] a8162a61698c7f99be359f0560277f49613fb791ef7bb3a9af040a022622d49e [INFO] running `"docker" "start" "-a" "a8162a61698c7f99be359f0560277f49613fb791ef7bb3a9af040a022622d49e"` [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling getrandom v0.1.13 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling ppv-lite86 v0.2.6 [INFO] [stderr] Compiling sdl2 v0.32.2 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling num-traits v0.2.10 [INFO] [stderr] Compiling num-iter v0.1.39 [INFO] [stderr] Compiling sdl2-sys v0.32.6 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling c2-chacha v0.2.3 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling rand_chacha v0.2.1 [INFO] [stderr] Compiling rand v0.7.2 [INFO] [stderr] Compiling num v0.1.42 [INFO] [stderr] Compiling snake v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `sdl2::render::TextureQuery` [INFO] [stderr] --> src/main.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | use sdl2::render::TextureQuery; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `SnakeSegment` [INFO] [stderr] --> src/lib/snake.rs:1:48 [INFO] [stderr] | [INFO] [stderr] 1 | use crate::lib::types::{Cell, SnakeHead, Grid, SnakeSegment, Food}; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `crate::lib::grid_init` [INFO] [stderr] --> src/lib/snake.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use crate::lib::grid_init; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `dimensions` [INFO] [stderr] --> src/lib/snake.rs:7:54 [INFO] [stderr] | [INFO] [stderr] 7 | pub fn change_grid(mut grid: Grid, head: &SnakeHead, dimensions: (u32, u32)) -> Grid{ [INFO] [stderr] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dimensions` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `cell_color` [INFO] [stderr] --> src/lib/snake.rs:51:9 [INFO] [stderr] | [INFO] [stderr] 51 | let cell_color: Cell = Cell{red: 0_u8, green: 196_u8, blue: 0_u8}; [INFO] [stderr] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cell_color` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `direction` [INFO] [stderr] --> src/lib/snake.rs:49:56 [INFO] [stderr] | [INFO] [stderr] 49 | pub fn draw_body(head: &mut SnakeHead, mut grid: Grid, direction: (i32, i32)) -> Grid { [INFO] [stderr] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_direction` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:46:9 [INFO] [stderr] | [INFO] [stderr] 46 | let mut direction: (i32, i32) = (1,0); [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: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:128:13 [INFO] [stderr] | [INFO] [stderr] 128 | let mut debug_text = format!("x {:?} y {:?} len {:?} seg {:?} fx {:?} fy {:?}", [INFO] [stderr] | ----^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib/mod.rs:27:9 [INFO] [stderr] | [INFO] [stderr] 27 | let mut event_pump: EventPump = sdl_context.event_pump().unwrap(); [INFO] [stderr] | ----^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib/types.rs:60:9 [INFO] [stderr] | [INFO] [stderr] 60 | let mut newvec = vec.to_vec(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib/snake.rs:64:35 [INFO] [stderr] | [INFO] [stderr] 64 | pub fn draw_food(food: &mut Food, mut grid: Grid) -> Grid { [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:140:9 [INFO] [stderr] | [INFO] [stderr] 140 | canvas.copy(&texture, None, Some(target)); [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/28742a1146f10a4f09369baad027a464acb7a766/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/snake-348acb96992fd3a7.snake.4x61ni5s-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/snake-348acb96992fd3a7.snake.4x61ni5s-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/snake-348acb96992fd3a7.snake.4x61ni5s-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/snake-348acb96992fd3a7.snake.4x61ni5s-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/snake-348acb96992fd3a7.snake.4x61ni5s-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/snake-348acb96992fd3a7.snake.4x61ni5s-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/snake-348acb96992fd3a7.snake.4x61ni5s-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/snake-348acb96992fd3a7.snake.4x61ni5s-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/snake-348acb96992fd3a7.snake.4x61ni5s-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/snake-348acb96992fd3a7.snake.4x61ni5s-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/snake-348acb96992fd3a7.snake.4x61ni5s-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/snake-348acb96992fd3a7.snake.4x61ni5s-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/snake-348acb96992fd3a7.snake.4x61ni5s-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/snake-348acb96992fd3a7.snake.4x61ni5s-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/snake-348acb96992fd3a7.snake.4x61ni5s-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/snake-348acb96992fd3a7.snake.4x61ni5s-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/snake-348acb96992fd3a7" "/opt/rustwide/target/debug/deps/snake-348acb96992fd3a7.3wjvi0glxv2y85la.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/28742a1146f10a4f09369baad027a464acb7a766/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/librand-729e91ddb663aa85.rlib" "/opt/rustwide/target/debug/deps/librand_chacha-db0692a0ff1cb620.rlib" "/opt/rustwide/target/debug/deps/libc2_chacha-91ee036dce5c5706.rlib" "/opt/rustwide/target/debug/deps/libppv_lite86-bc80430b8a7c0f1e.rlib" "/opt/rustwide/target/debug/deps/librand_core-6df16c0d21b4ca7a.rlib" "/opt/rustwide/target/debug/deps/libgetrandom-1321bae1eea8277b.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-7bfa6ddb9b2ff1d3.rlib" "/opt/rustwide/target/debug/deps/libsdl2-8c4237bd31a66434.rlib" "/opt/rustwide/target/debug/deps/librand-8eb624d1f78d9d8b.rlib" "/opt/rustwide/target/debug/deps/librand_xorshift-c620f8c8363fcd13.rlib" "/opt/rustwide/target/debug/deps/librand_pcg-b9c8d693de9478d7.rlib" "/opt/rustwide/target/debug/deps/librand_hc-8d8f4df3ee45e5b3.rlib" "/opt/rustwide/target/debug/deps/librand_chacha-35312d40afb18cd1.rlib" "/opt/rustwide/target/debug/deps/librand_isaac-4f156b75dface467.rlib" "/opt/rustwide/target/debug/deps/librand_core-d9b40d5d52d51138.rlib" "/opt/rustwide/target/debug/deps/librand_os-dcb567c8a127b1d9.rlib" "/opt/rustwide/target/debug/deps/librand_jitter-90ebca03520ab7cf.rlib" "/opt/rustwide/target/debug/deps/librand_core-1a2b5e959401cd87.rlib" "/opt/rustwide/target/debug/deps/libsdl2_sys-5da1caf62742df01.rlib" "/opt/rustwide/target/debug/deps/libbitflags-c5180c3dc5cc8193.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-81e71b56f2a8a8f3.rlib" "/opt/rustwide/target/debug/deps/liblibc-2b3577f6a779d165.rlib" "/opt/rustwide/target/debug/deps/libnum-d8b432b9c438aa4b.rlib" "/opt/rustwide/target/debug/deps/libnum_iter-6560cf4b36b8b87b.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-46beda792902c6b2.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-5f13adbeb4a0a460.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/28742a1146f10a4f09369baad027a464acb7a766/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-1dac1a412c98f50d.rlib" "/opt/rustwide/rustup-home/toolchains/28742a1146f10a4f09369baad027a464acb7a766/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-b7841fd014bf83a1.rlib" "/opt/rustwide/rustup-home/toolchains/28742a1146f10a4f09369baad027a464acb7a766/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-338c0763450dca22.rlib" "/opt/rustwide/rustup-home/toolchains/28742a1146f10a4f09369baad027a464acb7a766/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-5f2e5d11836e0967.rlib" "/opt/rustwide/rustup-home/toolchains/28742a1146f10a4f09369baad027a464acb7a766/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-81a9070bd3553adf.rlib" "/opt/rustwide/rustup-home/toolchains/28742a1146f10a4f09369baad027a464acb7a766/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-e297830377b95af4.rlib" "/opt/rustwide/rustup-home/toolchains/28742a1146f10a4f09369baad027a464acb7a766/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-b38b87f2dd197fa0.rlib" "/opt/rustwide/rustup-home/toolchains/28742a1146f10a4f09369baad027a464acb7a766/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-601015f2e15e7e26.rlib" "/opt/rustwide/rustup-home/toolchains/28742a1146f10a4f09369baad027a464acb7a766/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-439f3a589bd88586.rlib" "/opt/rustwide/rustup-home/toolchains/28742a1146f10a4f09369baad027a464acb7a766/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-57ab7e6ac23ce11f.rlib" "/opt/rustwide/rustup-home/toolchains/28742a1146f10a4f09369baad027a464acb7a766/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-3aec7f88778e912a.rlib" "/opt/rustwide/rustup-home/toolchains/28742a1146f10a4f09369baad027a464acb7a766/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-b6806800b307d4b9.rlib" "/opt/rustwide/rustup-home/toolchains/28742a1146f10a4f09369baad027a464acb7a766/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-e49d7651b12f7563.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/28742a1146f10a4f09369baad027a464acb7a766/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-e8266574e26adcc3.rlib" "-Wl,-Bdynamic" "-lSDL2" "-lSDL2_ttf" "-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; 12 warnings emitted [INFO] [stderr] [INFO] [stderr] error: could not compile `snake`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "a8162a61698c7f99be359f0560277f49613fb791ef7bb3a9af040a022622d49e"` [INFO] running `"docker" "rm" "-f" "a8162a61698c7f99be359f0560277f49613fb791ef7bb3a9af040a022622d49e"` [INFO] [stdout] a8162a61698c7f99be359f0560277f49613fb791ef7bb3a9af040a022622d49e