[INFO] cloning repository https://github.com/MightyGiant21/RustyJack
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MightyGiant21/RustyJack" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMightyGiant21%2FRustyJack", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMightyGiant21%2FRustyJack'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3c5ff762cab7e7526ddbeb3d6ba926a187236855
[INFO] testing MightyGiant21/RustyJack 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%2FMightyGiant21%2FRustyJack" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MightyGiant21/RustyJack 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/MightyGiant21/RustyJack
[INFO] finished tweaking git repo https://github.com/MightyGiant21/RustyJack
[INFO] tweaked toml for git repo https://github.com/MightyGiant21/RustyJack written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/MightyGiant21/RustyJack 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 7c6f35c9716d803e75964215869ee850610240bfeb0cab3edfe080e0324d1d53
[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" "7c6f35c9716d803e75964215869ee850610240bfeb0cab3edfe080e0324d1d53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c6f35c9716d803e75964215869ee850610240bfeb0cab3edfe080e0324d1d53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c6f35c9716d803e75964215869ee850610240bfeb0cab3edfe080e0324d1d53", kill_on_drop: false }`
[INFO] [stdout] 7c6f35c9716d803e75964215869ee850610240bfeb0cab3edfe080e0324d1d53
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2d1f6cecec4291c2636272fe4f401dcb5950da8920223acc478470d7dbd67265
[INFO] running `Command { std: "docker" "start" "-a" "2d1f6cecec4291c2636272fe4f401dcb5950da8920223acc478470d7dbd67265", kill_on_drop: false }`
[INFO] [stderr]    Compiling sdl2 v0.32.2
[INFO] [stderr]    Compiling sdl2-sys v0.32.6
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling rand v0.6.5
[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 blackjack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `card_path`
[INFO] [stdout]   --> src/main.rs:45:17
[INFO] [stdout]    |
[INFO] [stdout] 45 |             let card_path = String::from("assets/6S.png");
[INFO] [stdout]    |                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_card_path`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `draw_card` is never read
[INFO] [stdout]   --> src/main.rs:95:29
[INFO] [stdout]    |
[INFO] [stdout] 95 | ...                   draw_card = true;
[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: unused variable: `path`
[INFO] [stdout]   --> src/logic.rs:75:13
[INFO] [stdout]    |
[INFO] [stdout] 75 |         let path = format!("assets/{}.png", card);
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `result` is never read
[INFO] [stdout]   --> src/logic.rs:98:17
[INFO] [stdout]    |
[INFO] [stdout] 98 |         let mut result = 0;
[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:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |         let mut initial_cards = vec![
[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: unused `Result` that must be used
[INFO] [stdout]   --> src/display.rs:64:5
[INFO] [stdout]    |
[INFO] [stdout] 64 |     canvas.copy(&mut background, None, None);
[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/blackjack-dee8767e5c924222.blackjack.c0149fb5-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/blackjack-dee8767e5c924222.blackjack.c0149fb5-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/blackjack-dee8767e5c924222.blackjack.c0149fb5-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/blackjack-dee8767e5c924222.blackjack.c0149fb5-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/blackjack-dee8767e5c924222.blackjack.c0149fb5-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/blackjack-dee8767e5c924222.blackjack.c0149fb5-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/blackjack-dee8767e5c924222.blackjack.c0149fb5-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/blackjack-dee8767e5c924222.blackjack.c0149fb5-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/blackjack-dee8767e5c924222.blackjack.c0149fb5-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/blackjack-dee8767e5c924222.blackjack.c0149fb5-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/blackjack-dee8767e5c924222.blackjack.c0149fb5-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/blackjack-dee8767e5c924222.blackjack.c0149fb5-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/blackjack-dee8767e5c924222.blackjack.c0149fb5-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/blackjack-dee8767e5c924222.blackjack.c0149fb5-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/blackjack-dee8767e5c924222.blackjack.c0149fb5-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/blackjack-dee8767e5c924222.blackjack.c0149fb5-cgu.9.rcgu.o" "/opt/rustwide/target/debug/deps/blackjack-dee8767e5c924222.5f5nwswhwjtizb9w.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/librand-b95aa00b3034828a.rlib" "/opt/rustwide/target/debug/deps/librand_chacha-097575420995709e.rlib" "/opt/rustwide/target/debug/deps/libppv_lite86-4b4e10d54e032e24.rlib" "/opt/rustwide/target/debug/deps/librand_core-41a6597ba00c7ad8.rlib" "/opt/rustwide/target/debug/deps/libgetrandom-6fd2334de5694f0c.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-97437e183f3ae6e4.rlib" "/opt/rustwide/target/debug/deps/libsdl2-9f0477964281c22e.rlib" "/opt/rustwide/target/debug/deps/librand-8b051222c1cc1730.rlib" "/opt/rustwide/target/debug/deps/librand_xorshift-06e217ad92df2bfc.rlib" "/opt/rustwide/target/debug/deps/librand_pcg-d7065aa681b9cad6.rlib" "/opt/rustwide/target/debug/deps/librand_hc-714c82d8096c6ceb.rlib" "/opt/rustwide/target/debug/deps/librand_chacha-145dc135685c0f44.rlib" "/opt/rustwide/target/debug/deps/librand_isaac-39c5c607c4a69ce5.rlib" "/opt/rustwide/target/debug/deps/librand_core-c0666ae413bc23d2.rlib" "/opt/rustwide/target/debug/deps/librand_os-8a948f61d831e61c.rlib" "/opt/rustwide/target/debug/deps/librand_jitter-a6ffbd6e57632e30.rlib" "/opt/rustwide/target/debug/deps/librand_core-8951c9ba3b1758eb.rlib" "/opt/rustwide/target/debug/deps/libsdl2_sys-9c62a42235dd5ae7.rlib" "/opt/rustwide/target/debug/deps/libbitflags-6063cd2c96572b53.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-86422d76b8bd90ed.rlib" "/opt/rustwide/target/debug/deps/liblibc-20b5401ee9b3d9e9.rlib" "/opt/rustwide/target/debug/deps/libnum-40b662dcaae8f031.rlib" "/opt/rustwide/target/debug/deps/libnum_iter-36c29e0fcbca8588.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-d9102770f1d8d2b0.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-e611f1a591721d53.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_image" "-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/blackjack-dee8767e5c924222" "-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; 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `blackjack` due to 2 previous errors; 6 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "2d1f6cecec4291c2636272fe4f401dcb5950da8920223acc478470d7dbd67265", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d1f6cecec4291c2636272fe4f401dcb5950da8920223acc478470d7dbd67265", kill_on_drop: false }`
[INFO] [stdout] 2d1f6cecec4291c2636272fe4f401dcb5950da8920223acc478470d7dbd67265