[INFO] cloning repository https://github.com/slier81/Tetris
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/slier81/Tetris" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fslier81%2FTetris", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fslier81%2FTetris'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b4e37baeb08d5e243ff4bd5acd333fe5c88461af
[INFO] testing slier81/Tetris against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fslier81%2FTetris" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
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[INFO] validating manifest of git repo https://github.com/slier81/Tetris 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/slier81/Tetris
[INFO] finished tweaking git repo https://github.com/slier81/Tetris
[INFO] tweaked toml for git repo https://github.com/slier81/Tetris written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/slier81/Tetris 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] f54b793679c50214aa9e13d45a80b2d3643db20ea0efdcf37471f0b00bc96e06
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f54b793679c50214aa9e13d45a80b2d3643db20ea0efdcf37471f0b00bc96e06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f54b793679c50214aa9e13d45a80b2d3643db20ea0efdcf37471f0b00bc96e06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f54b793679c50214aa9e13d45a80b2d3643db20ea0efdcf37471f0b00bc96e06", kill_on_drop: false }`
[INFO] [stdout] f54b793679c50214aa9e13d45a80b2d3643db20ea0efdcf37471f0b00bc96e06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 8294eb5f4f213cca09f478a515ea51d9e0a68744acef4b4baad54bfc9e3b39de
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8294eb5f4f213cca09f478a515ea51d9e0a68744acef4b4baad54bfc9e3b39de", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rand_core v0.4.0
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling sdl2 v0.32.2
[INFO] [stderr]    Compiling rust_sdl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling sdl2-sys v0.32.6
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stdout] warning: unused imports: `WindowContext`, `Window`
[INFO] [stdout]  --> src/main.rs:7:19
[INFO] [stdout]   |
[INFO] [stdout] 7 | use sdl2::video::{Window, WindowContext};
[INFO] [stdout]   |                   ^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Canvas`, `TextureCreator`, `Texture`
[INFO] [stdout]  --> src/main.rs:9:20
[INFO] [stdout]   |
[INFO] [stdout] 9 | use sdl2::render::{Canvas, TextureCreator, Texture};
[INFO] [stdout]   |                    ^^^^^^  ^^^^^^^^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:58:13
[INFO] [stdout]    |
[INFO] [stdout] 58 |         let mut square_type = match timer.elapsed() {
[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:63:13
[INFO] [stdout]    |
[INFO] [stdout] 63 |         let mut square = if square_type {
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `write_to_file`
[INFO] [stdout]   --> src/util.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub fn write_to_file(content: &str, filename: &str) -> io::Result<()> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_from_file`
[INFO] [stdout]   --> src/util.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn read_from_file(filename: &str) -> io::Result<String> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `slice_to_string`
[INFO] [stdout]   --> src/util.rs:46:8
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub fn slice_to_string(slice: &[u32]) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `save_highscores_and_lines`
[INFO] [stdout]   --> src/util.rs:50:8
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub fn save_highscores_and_lines(highscores: &[u32], number_of_lines: &[u32]) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `line_to_slice`
[INFO] [stdout]   --> src/util.rs:56:8
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub fn line_to_slice(line: &str) -> Vec<u32> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `load_highscores_and_lines`
[INFO] [stdout]   --> src/util.rs:60:8
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub fn load_highscores_and_lines() -> Option<(Vec<u32>, Vec<u32>)> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/util.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 |     f.read_to_string(&mut content);
[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/rust_sdl-8449fc8e881c8f93.rust_sdl.a158e5cc-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/rust_sdl-8449fc8e881c8f93.rust_sdl.a158e5cc-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/rust_sdl-8449fc8e881c8f93.rust_sdl.a158e5cc-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/rust_sdl-8449fc8e881c8f93.rust_sdl.a158e5cc-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/rust_sdl-8449fc8e881c8f93.rust_sdl.a158e5cc-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/rust_sdl-8449fc8e881c8f93.rust_sdl.a158e5cc-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/rust_sdl-8449fc8e881c8f93.rust_sdl.a158e5cc-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/rust_sdl-8449fc8e881c8f93.rust_sdl.a158e5cc-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/rust_sdl-8449fc8e881c8f93.rust_sdl.a158e5cc-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/rust_sdl-8449fc8e881c8f93.rust_sdl.a158e5cc-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/rust_sdl-8449fc8e881c8f93.rust_sdl.a158e5cc-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/rust_sdl-8449fc8e881c8f93.rust_sdl.a158e5cc-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/rust_sdl-8449fc8e881c8f93.rust_sdl.a158e5cc-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/rust_sdl-8449fc8e881c8f93.rust_sdl.a158e5cc-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/rust_sdl-8449fc8e881c8f93.rust_sdl.a158e5cc-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/rust_sdl-8449fc8e881c8f93.rust_sdl.a158e5cc-cgu.9.rcgu.o" "/opt/rustwide/target/debug/deps/rust_sdl-8449fc8e881c8f93.21c5b5k0gnht4yry.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/libsdl2-3a33b464e2738630.rlib" "/opt/rustwide/target/debug/deps/librand-ca343cada674f19b.rlib" "/opt/rustwide/target/debug/deps/librand_xorshift-cf1c6e10b01f7775.rlib" "/opt/rustwide/target/debug/deps/librand_pcg-c718e33501c3074a.rlib" "/opt/rustwide/target/debug/deps/librand_hc-f47d2efa7fbfb522.rlib" "/opt/rustwide/target/debug/deps/librand_chacha-34c13b180a7d116c.rlib" "/opt/rustwide/target/debug/deps/librand_isaac-25cebe047f165eba.rlib" "/opt/rustwide/target/debug/deps/librand_core-0a725dfaecf66c67.rlib" "/opt/rustwide/target/debug/deps/librand_os-8b9db07430694703.rlib" "/opt/rustwide/target/debug/deps/librand_jitter-40dd517d98a6b249.rlib" "/opt/rustwide/target/debug/deps/librand_core-e3f7b5ee9401667b.rlib" "/opt/rustwide/target/debug/deps/libsdl2_sys-868f0d72a0001497.rlib" "/opt/rustwide/target/debug/deps/libbitflags-20c5c28231f4058e.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-48ae5990e2528ae1.rlib" "/opt/rustwide/target/debug/deps/liblibc-6df1c31eea31b39e.rlib" "/opt/rustwide/target/debug/deps/libnum-eaef6497caa2be76.rlib" "/opt/rustwide/target/debug/deps/libnum_iter-9d6c649272c3c9ae.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-c33960f16add0863.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-aed51b72bd57c4b3.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" "-lSDL2_image" "-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/rust_sdl-8449fc8e881c8f93" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: cannot find -lSDL2_image
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust_sdl`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "8294eb5f4f213cca09f478a515ea51d9e0a68744acef4b4baad54bfc9e3b39de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8294eb5f4f213cca09f478a515ea51d9e0a68744acef4b4baad54bfc9e3b39de", kill_on_drop: false }`
[INFO] [stdout] 8294eb5f4f213cca09f478a515ea51d9e0a68744acef4b4baad54bfc9e3b39de