[INFO] cloning repository https://github.com/PurityLake/Kobolds
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PurityLake/Kobolds" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPurityLake%2FKobolds", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPurityLake%2FKobolds'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 34f07d4f9f52e77d0e22b872b7e6c4a2b06ae933
[INFO] testing PurityLake/Kobolds against beta-2020-10-09 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPurityLake%2FKobolds" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] [stderr] Checking out files:  49% (57/115)   
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Checking out files: 100% (115/115), done.
[INFO] validating manifest of git repo https://github.com/PurityLake/Kobolds on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/PurityLake/Kobolds
[INFO] finished tweaking git repo https://github.com/PurityLake/Kobolds
[INFO] tweaked toml for git repo https://github.com/PurityLake/Kobolds written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/PurityLake/Kobolds already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9382959a1ef3badb7b5ff6d7f001ddcb4c22ebd188975f91a381d6afb7945b8d
[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" "9382959a1ef3badb7b5ff6d7f001ddcb4c22ebd188975f91a381d6afb7945b8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9382959a1ef3badb7b5ff6d7f001ddcb4c22ebd188975f91a381d6afb7945b8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9382959a1ef3badb7b5ff6d7f001ddcb4c22ebd188975f91a381d6afb7945b8d", kill_on_drop: false }`
[INFO] [stdout] 9382959a1ef3badb7b5ff6d7f001ddcb4c22ebd188975f91a381d6afb7945b8d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ae44bf53b71f5720975fa8179a57b740d360586bb0b9b01e4a6059f05bd2d6a
[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" "6ae44bf53b71f5720975fa8179a57b740d360586bb0b9b01e4a6059f05bd2d6a", kill_on_drop: false }`
[INFO] [stderr]    Compiling version-compare v0.0.10
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling sdl2 v0.34.3
[INFO] [stderr]    Compiling kobolds v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling sdl2-sys v0.34.2
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let mut font = ttf.load_font("font.ttf", 32).unwrap();
[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: struct is never constructed: `Tile`
[INFO] [stdout]  --> src/tile.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Tile {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/tile.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn new(width: u32, height: u32, symbol: char) -> Tile {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `draw`
[INFO] [stdout]   --> src/tile.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn draw(&self, canvas: &mut Canvas<Window>) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     canvas.copy(&texture, None, Some(Rect::new(100, 100, width, height)));
[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: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/tile.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |         canvas.fill_rect(Rect::new(0, 0, self.width, self.height));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[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/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/kobolds-e0519c45530d03e3.kobolds.efzrvt1e-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/kobolds-e0519c45530d03e3.kobolds.efzrvt1e-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/kobolds-e0519c45530d03e3.kobolds.efzrvt1e-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/kobolds-e0519c45530d03e3.kobolds.efzrvt1e-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/kobolds-e0519c45530d03e3.kobolds.efzrvt1e-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/kobolds-e0519c45530d03e3.kobolds.efzrvt1e-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/kobolds-e0519c45530d03e3.kobolds.efzrvt1e-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/kobolds-e0519c45530d03e3.kobolds.efzrvt1e-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/kobolds-e0519c45530d03e3.kobolds.efzrvt1e-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/kobolds-e0519c45530d03e3.kobolds.efzrvt1e-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/kobolds-e0519c45530d03e3.kobolds.efzrvt1e-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/kobolds-e0519c45530d03e3.kobolds.efzrvt1e-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/kobolds-e0519c45530d03e3.kobolds.efzrvt1e-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/kobolds-e0519c45530d03e3.kobolds.efzrvt1e-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/kobolds-e0519c45530d03e3.kobolds.efzrvt1e-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/kobolds-e0519c45530d03e3.kobolds.efzrvt1e-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/kobolds-e0519c45530d03e3" "/opt/rustwide/target/debug/deps/kobolds-e0519c45530d03e3.1cadevcqvskjccgg.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libsdl2-8bd744b3d13bf1e5.rlib" "/opt/rustwide/target/debug/deps/libsdl2_sys-3569dcc8daa3808f.rlib" "/opt/rustwide/target/debug/deps/libbitflags-ef3b499484556621.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-03dc560a77c5aa3e.rlib" "/opt/rustwide/target/debug/deps/liblibc-7dba4e1b4f61a69e.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-3532beb752f910d7.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-3529ece450b7f3c6.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-23e8f582a6744f80.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-5e7e0793b29cbf78.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-253e0736424ceb78.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-b6fd484888124c85.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-cca4d20e4b53839c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-0a7401891c2a4f50.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-efbb25e073df787e.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-25965457612624bc.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-09058283ea779342.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-ab973dacc0513511.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-b437d6640b1f764b.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-8cc0b2380206399c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-727cdf2b6a468113.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-cf4d442d877ea2f4.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-7e5b6df427ca977c.rlib" "-Wl,-Bdynamic" "-lSDL2" "-lSDL2_mixer" "-lSDL2_image" "-lSDL2_ttf" "-lutil" "-ldl" "-lutil" "-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; 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `kobolds`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "6ae44bf53b71f5720975fa8179a57b740d360586bb0b9b01e4a6059f05bd2d6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ae44bf53b71f5720975fa8179a57b740d360586bb0b9b01e4a6059f05bd2d6a", kill_on_drop: false }`
[INFO] [stdout] 6ae44bf53b71f5720975fa8179a57b740d360586bb0b9b01e4a6059f05bd2d6a
