[INFO] cloning repository https://github.com/eraklon/tetris-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/eraklon/tetris-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feraklon%2Ftetris-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feraklon%2Ftetris-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e8454ec829a40c6ad35c47ed605ca7345bf95391 [INFO] testing eraklon/tetris-rust against beta-2021-09-08 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feraklon%2Ftetris-rust" "/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/eraklon/tetris-rust on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/eraklon/tetris-rust [INFO] finished tweaking git repo https://github.com/eraklon/tetris-rust [INFO] tweaked toml for git repo https://github.com/eraklon/tetris-rust written to /workspace/builds/worker-13/source/Cargo.toml [INFO] crate git repo https://github.com/eraklon/tetris-rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded sdl2-sys v0.34.0 [INFO] [stderr] Downloaded sdl2 v0.34.1 [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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8a40d9b2fc636943a66027a3f12dc45a44fba27bfa5740ab43a58fae8e0325f7 [INFO] running `Command { std: "docker" "start" "-a" "8a40d9b2fc636943a66027a3f12dc45a44fba27bfa5740ab43a58fae8e0325f7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8a40d9b2fc636943a66027a3f12dc45a44fba27bfa5740ab43a58fae8e0325f7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8a40d9b2fc636943a66027a3f12dc45a44fba27bfa5740ab43a58fae8e0325f7", kill_on_drop: false }` [INFO] [stdout] 8a40d9b2fc636943a66027a3f12dc45a44fba27bfa5740ab43a58fae8e0325f7 [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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 78aa11fd0a1e1a37df8881f574e490ce21ba936d21f793237a99968e35b06548 [INFO] running `Command { std: "docker" "start" "-a" "78aa11fd0a1e1a37df8881f574e490ce21ba936d21f793237a99968e35b06548", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling libc v0.2.71 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling rayon-core v1.7.0 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling sdl2 v0.34.1 [INFO] [stderr] Compiling ppv-lite86 v0.2.8 [INFO] [stderr] Compiling either v1.5.3 [INFO] [stderr] Compiling sdl2-sys v0.34.0 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.4 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling time v0.1.43 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling crossbeam-queue v0.2.3 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling crossbeam-deque v0.7.3 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling chrono v0.4.13 [INFO] [stderr] Compiling rayon v1.3.0 [INFO] [stderr] Compiling Tetris v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `sdl2::render::TextureQuery` [INFO] [stdout] --> src/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use sdl2::render::TextureQuery; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `sdl2::ttf::Sdl2TtfContext` [INFO] [stdout] --> src/main.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use sdl2::ttf::Sdl2TtfContext; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::process::exit` [INFO] [stdout] --> src/main.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use std::process::exit; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `DateTime` [INFO] [stdout] --> src/main.rs:13:14 [INFO] [stdout] | [INFO] [stdout] 13 | use chrono::{DateTime, Utc}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `event_pump` [INFO] [stdout] --> src/main.rs:56:13 [INFO] [stdout] | [INFO] [stdout] 56 | let mut event_pump = sdl_context.event_pump().unwrap(); [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_event_pump` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `action` is never read [INFO] [stdout] --> src/main.rs:132:17 [INFO] [stdout] | [INFO] [stdout] 132 | action = NONE; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `action` is never read [INFO] [stdout] --> src/main.rs:252:17 [INFO] [stdout] | [INFO] [stdout] 252 | action = NONE; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:341:25 [INFO] [stdout] | [INFO] [stdout] 341 | .for_each(|(i, pop_chunk)| { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `parent1_idx` is never read [INFO] [stdout] --> src/main.rs:375:17 [INFO] [stdout] | [INFO] [stdout] 375 | let mut parent1_idx = 0usize; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `parent2_idx` is never read [INFO] [stdout] --> src/main.rs:376:17 [INFO] [stdout] | [INFO] [stdout] 376 | let mut parent2_idx = 0usize; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:23:14 [INFO] [stdout] | [INFO] [stdout] 23 | pub fn input(mut event_pump: &mut EventPump) -> MoveAction { [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: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:54:9 [INFO] [stdout] | [INFO] [stdout] 54 | let mut window; [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:56:9 [INFO] [stdout] | [INFO] [stdout] 56 | let mut event_pump = sdl_context.event_pump().unwrap(); [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:57:9 [INFO] [stdout] | [INFO] [stdout] 57 | let mut texture_creator; [INFO] [stdout] | ----^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: crate `Tetris` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] = help: convert the identifier to snake case: `tetris` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run_tetris_with_GUI` should have a snake case name [INFO] [stdout] --> src/main.rs:46:8 [INFO] [stdout] | [INFO] [stdout] 46 | pub fn run_tetris_with_GUI(run_count: usize, fitness_params: [u64; 6]) -> u32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `run_tetris_with_gui` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:165:17 [INFO] [stdout] | [INFO] [stdout] 165 | / canvas.fill_rect(Rect::new( [INFO] [stdout] 166 | | (col as u32 * RECT_DIM) as i32, [INFO] [stdout] 167 | | (row as u32 * RECT_DIM) as i32, [INFO] [stdout] 168 | | RECT_DIM, [INFO] [stdout] 169 | | RECT_DIM, [INFO] [stdout] 170 | | )); [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] warning: static variable `tetrominos` should have an upper case name [INFO] [stdout] --> src/tetris.rs:12:12 [INFO] [stdout] | [INFO] [stdout] 12 | pub static tetrominos: [[u8; 16]; 7] = [ [INFO] [stdout] | ^^^^^^^^^^ help: convert the identifier to upper case: `TETROMINOS` [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/tetris.rs:11:8 [INFO] [stdout] | [INFO] [stdout] 11 | #[warn(non_upper_case_globals)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [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/Tetris-4db15a613e71015a.Tetris.4997fb37-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/Tetris-4db15a613e71015a.Tetris.4997fb37-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/Tetris-4db15a613e71015a.Tetris.4997fb37-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/Tetris-4db15a613e71015a.Tetris.4997fb37-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/Tetris-4db15a613e71015a.Tetris.4997fb37-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/Tetris-4db15a613e71015a.Tetris.4997fb37-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/Tetris-4db15a613e71015a.Tetris.4997fb37-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/Tetris-4db15a613e71015a.Tetris.4997fb37-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/Tetris-4db15a613e71015a.Tetris.4997fb37-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/Tetris-4db15a613e71015a.Tetris.4997fb37-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/Tetris-4db15a613e71015a.Tetris.4997fb37-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/Tetris-4db15a613e71015a.Tetris.4997fb37-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/Tetris-4db15a613e71015a.Tetris.4997fb37-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/Tetris-4db15a613e71015a.Tetris.4997fb37-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/Tetris-4db15a613e71015a.Tetris.4997fb37-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/Tetris-4db15a613e71015a.Tetris.4997fb37-cgu.9.rcgu.o" "/opt/rustwide/target/debug/deps/Tetris-4db15a613e71015a.4evru8e2f8odx91n.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/librayon-22837a142ea2f8af.rlib" "/opt/rustwide/target/debug/deps/librayon_core-3f7068b61ac9b393.rlib" "/opt/rustwide/target/debug/deps/libnum_cpus-28763443a85b9641.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_queue-43e5fb9732c35a77.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_deque-7000893c39d0f5c4.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_epoch-8bb4e9638fb5a88c.rlib" "/opt/rustwide/target/debug/deps/libscopeguard-54ff2283d814f48f.rlib" "/opt/rustwide/target/debug/deps/libmemoffset-cd9c4d64b42437e5.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_utils-73c54b8c3255a082.rlib" "/opt/rustwide/target/debug/deps/libmaybe_uninit-8e53985a502a8210.rlib" "/opt/rustwide/target/debug/deps/libeither-e79a6fa11914372f.rlib" "/opt/rustwide/target/debug/deps/libchrono-21154db7d9d4e8b3.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-4c8b97e105ac0c96.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-3c585675ecae60b4.rlib" "/opt/rustwide/target/debug/deps/libtime-e73aaa2cca797f2e.rlib" "/opt/rustwide/target/debug/deps/librand-f473cf2558c6a25b.rlib" "/opt/rustwide/target/debug/deps/librand_chacha-6f1c72d9e897cbaa.rlib" "/opt/rustwide/target/debug/deps/libppv_lite86-a4980a5c0afc511f.rlib" "/opt/rustwide/target/debug/deps/librand_core-4a3033939aea50c5.rlib" "/opt/rustwide/target/debug/deps/libgetrandom-2dc6d0f1cca4d495.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-b22544e46cbb7baa.rlib" "/opt/rustwide/target/debug/deps/libsdl2-8ace52952b3a809f.rlib" "/opt/rustwide/target/debug/deps/libsdl2_sys-ee78ef019961e156.rlib" "/opt/rustwide/target/debug/deps/libbitflags-6063cd2c96572b53.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-86422d76b8bd90ed.rlib" "/opt/rustwide/target/debug/deps/liblibc-b03a7f37d3ffe34d.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-9a950938f3668a37.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-3b1b529ec96b3df7.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-ac333df4e6839cea.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-22a9ff9d2be6d427.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-5decbb94c7d60860.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libmemchr-29a9663b62a1cd00.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-6f0cee0dbab2d3f8.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-f5dc7d1d28c5c249.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-d19bda9ef557e755.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-82a955fd13db2399.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-44f3e7c1b7cc17ef.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-3ee6f750c5f3c2cf.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-ae5e1795dcba83e8.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-8d545d8592f2b534.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-c4c222675f83fd37.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-c1e9c53e75e301ed.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-beea7d9617fe25c5.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-8ef7dd43fc671f88.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-80a2b295510dd038.rlib" "-Wl,-Bdynamic" "-lSDL2" "-lSDL2_ttf" "-lutil" "-ldl" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/Tetris-4db15a613e71015a" "-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; 18 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `Tetris` due to 2 previous errors; 18 warnings emitted [INFO] running `Command { std: "docker" "inspect" "78aa11fd0a1e1a37df8881f574e490ce21ba936d21f793237a99968e35b06548", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "78aa11fd0a1e1a37df8881f574e490ce21ba936d21f793237a99968e35b06548", kill_on_drop: false }` [INFO] [stdout] 78aa11fd0a1e1a37df8881f574e490ce21ba936d21f793237a99968e35b06548