[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 master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[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] validating manifest of git repo https://github.com/PurityLake/Kobolds on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2bf7e4191bf68ffaa830601e6bb811fefb9885be1049ca9b79a8731ca4ec8703
[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" "2bf7e4191bf68ffaa830601e6bb811fefb9885be1049ca9b79a8731ca4ec8703", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2bf7e4191bf68ffaa830601e6bb811fefb9885be1049ca9b79a8731ca4ec8703", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bf7e4191bf68ffaa830601e6bb811fefb9885be1049ca9b79a8731ca4ec8703", kill_on_drop: false }`
[INFO] [stdout] 2bf7e4191bf68ffaa830601e6bb811fefb9885be1049ca9b79a8731ca4ec8703
[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=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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d679af1eccdeb8a8ef14ef46d9687af8794c1c0549eedd72250e4275a676ae39
[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" "d679af1eccdeb8a8ef14ef46d9687af8794c1c0549eedd72250e4275a676ae39", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling sdl2 v0.34.3
[INFO] [stderr]    Compiling kobolds v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling lazy_static v1.4.0
[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 `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 `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 status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-m64" "/opt/rustwide/target/debug/deps/kobolds-1795d4ab25b4cc55.kobolds.b603e3af-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/kobolds-1795d4ab25b4cc55.kobolds.b603e3af-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/kobolds-1795d4ab25b4cc55.kobolds.b603e3af-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/kobolds-1795d4ab25b4cc55.kobolds.b603e3af-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/kobolds-1795d4ab25b4cc55.kobolds.b603e3af-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/kobolds-1795d4ab25b4cc55.kobolds.b603e3af-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/kobolds-1795d4ab25b4cc55.kobolds.b603e3af-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/kobolds-1795d4ab25b4cc55.kobolds.b603e3af-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/kobolds-1795d4ab25b4cc55.kobolds.b603e3af-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/kobolds-1795d4ab25b4cc55.kobolds.b603e3af-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/kobolds-1795d4ab25b4cc55.kobolds.b603e3af-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/kobolds-1795d4ab25b4cc55.kobolds.b603e3af-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/kobolds-1795d4ab25b4cc55.kobolds.b603e3af-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/kobolds-1795d4ab25b4cc55.kobolds.b603e3af-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/kobolds-1795d4ab25b4cc55.kobolds.b603e3af-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/kobolds-1795d4ab25b4cc55.kobolds.b603e3af-cgu.9.rcgu.o" "/opt/rustwide/target/debug/deps/kobolds-1795d4ab25b4cc55.126wzt0iunn7fzx.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libsdl2-98be2c2c36132fa8.rlib" "/opt/rustwide/target/debug/deps/libsdl2_sys-9acd811f01ba5756.rlib" "/opt/rustwide/target/debug/deps/libbitflags-6d05264d59b50f7f.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-b33cd6b8ee13db74.rlib" "/opt/rustwide/target/debug/deps/liblibc-84cd3936ea193c08.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-29e5e596e889a0aa.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-1b145d9fcdc08832.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-5b037ee6b77e2ff0.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-9635a64fca0ebd28.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-a7574eb9bb7a8fc5.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libmemchr-f5fa1dc334dcaeeb.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-6ee570a898e75ef0.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-afb62f29a0815772.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-a632746535fd9988.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-25acc307bcb1d7b6.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-377721a625f6ace7.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-43c01431c8a4ee6f.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-5f74725679453254.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-2b35d8999819161d.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-a81f2980c3f58cf2.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-57b4679830289815.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-2a6a2797f7a73818.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-0e3656b1fda5fd7b.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-13b419dfbcf9c1f8.rlib" "-Wl,-Bdynamic" "-lSDL2" "-lSDL2_mixer" "-lSDL2_image" "-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/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/kobolds-1795d4ab25b4cc55" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro,-znow" "-nodefaultlibs"
[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` due to 2 previous errors; 6 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "d679af1eccdeb8a8ef14ef46d9687af8794c1c0549eedd72250e4275a676ae39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d679af1eccdeb8a8ef14ef46d9687af8794c1c0549eedd72250e4275a676ae39", kill_on_drop: false }`
[INFO] [stdout] d679af1eccdeb8a8ef14ef46d9687af8794c1c0549eedd72250e4275a676ae39