[INFO] cloning repository https://github.com/danipardo/2048
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/danipardo/2048" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanipardo%2F2048", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanipardo%2F2048'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 10d8b0deca2dde7c63e8c6e171ddf22003c48e0e
[INFO] testing danipardo/2048 against 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanipardo%2F2048" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/danipardo/2048 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/danipardo/2048
[INFO] finished tweaking git repo https://github.com/danipardo/2048
[INFO] tweaked toml for git repo https://github.com/danipardo/2048 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/danipardo/2048 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (sdl2) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 762f3ad85128a7218c4b64000f1b7db47bcf5e99b6e8d25605ff4131f0bd5cec
[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" "762f3ad85128a7218c4b64000f1b7db47bcf5e99b6e8d25605ff4131f0bd5cec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "762f3ad85128a7218c4b64000f1b7db47bcf5e99b6e8d25605ff4131f0bd5cec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "762f3ad85128a7218c4b64000f1b7db47bcf5e99b6e8d25605ff4131f0bd5cec", kill_on_drop: false }`
[INFO] [stdout] 762f3ad85128a7218c4b64000f1b7db47bcf5e99b6e8d25605ff4131f0bd5cec
[INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a252dfef14ee72adb684332ec3ff5cd79d180154edfb944e474d749cba0f7461
[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" "a252dfef14ee72adb684332ec3ff5cd79d180154edfb944e474d749cba0f7461", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (sdl2) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling version-compare v0.0.10
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling sdl2 v0.34.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling sdl2-sys v0.34.2
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling colored v1.9.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling simple_logger v1.6.0
[INFO] [stderr]    Compiling t2048 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/board.rs:59:16
[INFO] [stdout]    |
[INFO] [stdout] 59 |             if (index > 0) {
[INFO] [stdout]    |                ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `new_board` is never read
[INFO] [stdout]    --> src/board.rs:146:13
[INFO] [stdout]     |
[INFO] [stdout] 146 |         let mut new_board = [[0u16; 4]; 4];
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/board.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |     let mut result = slide_row(input);
[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/board.rs:81:9
[INFO] [stdout]    |
[INFO] [stdout] 81 |     let mut result = combine_row(&result);
[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/board.rs:82:9
[INFO] [stdout]    |
[INFO] [stdout] 82 |     let mut result = slide_row(&result);
[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/board.rs:124:13
[INFO] [stdout]     |
[INFO] [stdout] 124 |         let mut rand : f32 = rand::thread_rng().gen();
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `score`
[INFO] [stdout]   --> src/board.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     score: u16,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `find_rev`
[INFO] [stdout]   --> src/board.rs:34:4
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn find_rev(input: &[u16; 4], n: usize) -> Option<usize> {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_cells`
[INFO] [stdout]    --> src/board.rs:131:12
[INFO] [stdout]     |
[INFO] [stdout] 131 |     pub fn set_cells(&mut self, input: [[u16; 4]; 4]) {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `print`
[INFO] [stdout]    --> src/board.rs:138:12
[INFO] [stdout]     |
[INFO] [stdout] 138 |     pub fn print(&self) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `texture_manager`
[INFO] [stdout]   --> src/game.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     texture_manager: TextureManager<'a, WindowContext>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `match_sound`
[INFO] [stdout]   --> src/game.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     match_sound: Chunk,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/game.rs:164:13
[INFO] [stdout]     |
[INFO] [stdout] 164 |             self.channel.play(&self.move_sound, 0);
[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 code: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-Wl,--eh-frame-hdr" "-L" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/t2048-76dad549257863c2.t2048.9iljvsuj-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/t2048-76dad549257863c2.t2048.9iljvsuj-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/t2048-76dad549257863c2.t2048.9iljvsuj-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/t2048-76dad549257863c2.t2048.9iljvsuj-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/t2048-76dad549257863c2.t2048.9iljvsuj-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/t2048-76dad549257863c2.t2048.9iljvsuj-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/t2048-76dad549257863c2.t2048.9iljvsuj-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/t2048-76dad549257863c2.t2048.9iljvsuj-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/t2048-76dad549257863c2.t2048.9iljvsuj-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/t2048-76dad549257863c2.t2048.9iljvsuj-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/t2048-76dad549257863c2.t2048.9iljvsuj-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/t2048-76dad549257863c2.t2048.9iljvsuj-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/t2048-76dad549257863c2.t2048.9iljvsuj-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/t2048-76dad549257863c2.t2048.9iljvsuj-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/t2048-76dad549257863c2.t2048.9iljvsuj-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/t2048-76dad549257863c2.t2048.9iljvsuj-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/t2048-76dad549257863c2" "/opt/rustwide/target/debug/deps/t2048-76dad549257863c2.1y150dzman1xoqsi.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/librand-192f492d186df37c.rlib" "/opt/rustwide/target/debug/deps/librand_chacha-7dd095d338f52591.rlib" "/opt/rustwide/target/debug/deps/libppv_lite86-48425f9dcdfe62c1.rlib" "/opt/rustwide/target/debug/deps/librand_core-03b9b8d83528aee7.rlib" "/opt/rustwide/target/debug/deps/libgetrandom-2ace0d14912ceeaa.rlib" "/opt/rustwide/target/debug/deps/libsdl2-6d66c56d72fc76c2.rlib" "/opt/rustwide/target/debug/deps/libsdl2_sys-a7f77ffc27e68922.rlib" "/opt/rustwide/target/debug/deps/libbitflags-e8b42ad6d332332e.rlib" "/opt/rustwide/target/debug/deps/libsimple_logger-b8943231cdc25268.rlib" "/opt/rustwide/target/debug/deps/libcolored-b04c57da94dcd35b.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-bf21cfb31a9e28ca.rlib" "/opt/rustwide/target/debug/deps/libatty-c2fde9dee18b37f1.rlib" "/opt/rustwide/target/debug/deps/libchrono-a7bd4d1f47447da8.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-d26989701dde1f66.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-acb0969c8bd75dec.rlib" "/opt/rustwide/target/debug/deps/libtime-2dbdf97feef2c48c.rlib" "/opt/rustwide/target/debug/deps/liblibc-7753addeb8e632c3.rlib" "/opt/rustwide/target/debug/deps/liblog-e01c55323f033bb6.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-d2033c938d1688fd.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-f14aca24435a5414.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-48d342a8b48d1d01.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-14bc0820888c8eb3.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-9cbd9e217bff06bc.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-31826136df98934e.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-075976a117c8fd5d.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-2d5cbedfbf17a011.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-0474372ff08c5319.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-d437c34460d2315a.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-fb61ed1b8cc4de79.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-bf76d1b643bfc9f0.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-a1b53aa7fddcf418.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-28585e57fac45c73.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-64801769bc15ab28.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-541997b56bb98660.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-cdea3c81adab3d12.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-cd9f15a39fb65cbc.rlib" "-Wl,-Bdynamic" "-lSDL2" "-lSDL2_mixer" "-lSDL2_image" "-lSDL2_ttf" "-lutil" "-ldl" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-lutil"
[INFO] [stdout]   = note: /usr/bin/ld: cannot find -lSDL2_mixer
[INFO] [stdout]           /usr/bin/ld: cannot find -lSDL2_image
[INFO] [stdout]           /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; 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `t2048`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "a252dfef14ee72adb684332ec3ff5cd79d180154edfb944e474d749cba0f7461", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a252dfef14ee72adb684332ec3ff5cd79d180154edfb944e474d749cba0f7461", kill_on_drop: false }`
[INFO] [stdout] a252dfef14ee72adb684332ec3ff5cd79d180154edfb944e474d749cba0f7461
