[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 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feraklon%2Ftetris-rust" "/workspace/builds/worker-116/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-116/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/eraklon/tetris-rust on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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-116/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" "+1.54.0" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e979e0e749218e75e520436a685a8d9054fef44d4e16bfcef58aa64e330e17d3
[INFO] running `Command { std: "docker" "start" "-a" "e979e0e749218e75e520436a685a8d9054fef44d4e16bfcef58aa64e330e17d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e979e0e749218e75e520436a685a8d9054fef44d4e16bfcef58aa64e330e17d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e979e0e749218e75e520436a685a8d9054fef44d4e16bfcef58aa64e330e17d3", kill_on_drop: false }`
[INFO] [stdout] e979e0e749218e75e520436a685a8d9054fef44d4e16bfcef58aa64e330e17d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0d0d39a7e8504ca3ca741ef8df656b4264edd57d4bbd4c4fd9cfcf4c9d3f74d
[INFO] running `Command { std: "docker" "start" "-a" "b0d0d39a7e8504ca3ca741ef8df656b4264edd57d4bbd4c4fd9cfcf4c9d3f74d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling getrandom v0.1.14
[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 num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling sdl2-sys v0.34.0
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[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 rayon-core v1.7.0
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling chrono v0.4.13
[INFO] [stderr]    Compiling rand v0.7.3
[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-7600c32c107b0326.Tetris.affptpa8-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/Tetris-7600c32c107b0326.Tetris.affptpa8-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/Tetris-7600c32c107b0326.Tetris.affptpa8-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/Tetris-7600c32c107b0326.Tetris.affptpa8-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/Tetris-7600c32c107b0326.Tetris.affptpa8-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/Tetris-7600c32c107b0326.Tetris.affptpa8-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/Tetris-7600c32c107b0326.Tetris.affptpa8-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/Tetris-7600c32c107b0326.Tetris.affptpa8-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/Tetris-7600c32c107b0326.Tetris.affptpa8-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/Tetris-7600c32c107b0326.Tetris.affptpa8-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/Tetris-7600c32c107b0326.Tetris.affptpa8-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/Tetris-7600c32c107b0326.Tetris.affptpa8-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/Tetris-7600c32c107b0326.Tetris.affptpa8-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/Tetris-7600c32c107b0326.Tetris.affptpa8-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/Tetris-7600c32c107b0326.Tetris.affptpa8-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/Tetris-7600c32c107b0326.Tetris.affptpa8-cgu.9.rcgu.o" "/opt/rustwide/target/debug/deps/Tetris-7600c32c107b0326.5c5km0yh8t05auag.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/librayon-0771541e2b260036.rlib" "/opt/rustwide/target/debug/deps/librayon_core-fed34abc78ca1a86.rlib" "/opt/rustwide/target/debug/deps/libnum_cpus-f45ef279d9937958.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_queue-338209f51768f162.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_deque-0485da07e3e3923b.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_epoch-73233397b0f7d32c.rlib" "/opt/rustwide/target/debug/deps/libscopeguard-7a1710762e6687e9.rlib" "/opt/rustwide/target/debug/deps/libmemoffset-a2c65ee0dcf5f84c.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_utils-79c2bd225d0d7f75.rlib" "/opt/rustwide/target/debug/deps/libmaybe_uninit-17ac005437abed86.rlib" "/opt/rustwide/target/debug/deps/libeither-16520a65cfe89184.rlib" "/opt/rustwide/target/debug/deps/libchrono-4b6feb94f97e3198.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-78d75e60bd710839.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-96b8bf79317c676a.rlib" "/opt/rustwide/target/debug/deps/libtime-d9a1bacf820cb84b.rlib" "/opt/rustwide/target/debug/deps/librand-740836fa40f41d8b.rlib" "/opt/rustwide/target/debug/deps/librand_chacha-e1c03bb95ee58fe0.rlib" "/opt/rustwide/target/debug/deps/libppv_lite86-4df7824a247de569.rlib" "/opt/rustwide/target/debug/deps/librand_core-d186a0aca2d6a06c.rlib" "/opt/rustwide/target/debug/deps/libgetrandom-2da1044cfb90e9ed.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-e7a28af79b261e75.rlib" "/opt/rustwide/target/debug/deps/libsdl2-46559978bdf89526.rlib" "/opt/rustwide/target/debug/deps/libsdl2_sys-1e4b368ad2393a7b.rlib" "/opt/rustwide/target/debug/deps/libbitflags-f89ae4b715176e2d.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-5c53d641eb010a81.rlib" "/opt/rustwide/target/debug/deps/liblibc-f14f9a5269b59615.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-2420485b9e5ef5e1.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-785e3cb61c4b1960.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-087191a88bdaa22d.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-9981842c02975178.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-6fb405869b015fde.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-d05c5c3c56004b7b.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-42d74d2097528b38.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-fb36534c113d2209.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-b56b9042c12b6535.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-491902d6cb3e76df.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-61834e0981b8c367.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-f78aa99d613a55bc.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-53ee54cd7fed2c57.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-544ecdbd6cda3c58.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-379cc252b6943a79.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-8063eea38dcc5e62.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-5b228734afae15ee.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-d6c7a399d95d173f.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/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/Tetris-7600c32c107b0326" "-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`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "b0d0d39a7e8504ca3ca741ef8df656b4264edd57d4bbd4c4fd9cfcf4c9d3f74d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0d0d39a7e8504ca3ca741ef8df656b4264edd57d4bbd4c4fd9cfcf4c9d3f74d", kill_on_drop: false }`
[INFO] [stdout] b0d0d39a7e8504ca3ca741ef8df656b4264edd57d4bbd4c4fd9cfcf4c9d3f74d
