[INFO] cloning repository https://github.com/Nicholas-Baron/sdl_chess
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Nicholas-Baron/sdl_chess" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNicholas-Baron%2Fsdl_chess", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNicholas-Baron%2Fsdl_chess'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c5c9b0dcd85c7e21a501e71c58dfeeb48f2a0d83
[INFO] testing Nicholas-Baron/sdl_chess against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNicholas-Baron%2Fsdl_chess" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Nicholas-Baron/sdl_chess on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Nicholas-Baron/sdl_chess
[INFO] finished tweaking git repo https://github.com/Nicholas-Baron/sdl_chess
[INFO] tweaked toml for git repo https://github.com/Nicholas-Baron/sdl_chess written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/Nicholas-Baron/sdl_chess already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8c9528117cc3d06884b7d90d1d8a6b5fe5812236bd570ef6fcf03ef48b7a803b
[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" "8c9528117cc3d06884b7d90d1d8a6b5fe5812236bd570ef6fcf03ef48b7a803b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c9528117cc3d06884b7d90d1d8a6b5fe5812236bd570ef6fcf03ef48b7a803b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c9528117cc3d06884b7d90d1d8a6b5fe5812236bd570ef6fcf03ef48b7a803b", kill_on_drop: false }`
[INFO] [stdout] 8c9528117cc3d06884b7d90d1d8a6b5fe5812236bd570ef6fcf03ef48b7a803b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bbab353dbd4f179f8e318d8052a7a269ee1077a64c148de7aa79c6d6518347b9
[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" "bbab353dbd4f179f8e318d8052a7a269ee1077a64c148de7aa79c6d6518347b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]    Compiling sdl2-sys v0.25.0
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling bitflags v0.6.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling backtrace v0.3.49
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling chess v3.1.1
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling sdl2 v0.25.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling sdl2_image v0.25.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling sdl_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let mut board_center = Point::from(utils::map_tuple(sdl_handle.center_of_draw(), |val| {
[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: associated function is never used: `draw_on`
[INFO] [stdout]   --> src/sdl_handle.rs:91:12
[INFO] [stdout]    |
[INFO] [stdout] 91 |     pub fn draw_on<D: Drawable>(&mut self, area: Rect, thing: &D) -> Result<(), String> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[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/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/sdl_game-d70eb954aa86b4b5.sdl_game.9eh4j32q-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/sdl_game-d70eb954aa86b4b5.sdl_game.9eh4j32q-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/sdl_game-d70eb954aa86b4b5.sdl_game.9eh4j32q-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/sdl_game-d70eb954aa86b4b5.sdl_game.9eh4j32q-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/sdl_game-d70eb954aa86b4b5.sdl_game.9eh4j32q-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/sdl_game-d70eb954aa86b4b5.sdl_game.9eh4j32q-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/sdl_game-d70eb954aa86b4b5.sdl_game.9eh4j32q-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/sdl_game-d70eb954aa86b4b5.sdl_game.9eh4j32q-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/sdl_game-d70eb954aa86b4b5.sdl_game.9eh4j32q-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/sdl_game-d70eb954aa86b4b5.sdl_game.9eh4j32q-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/sdl_game-d70eb954aa86b4b5.sdl_game.9eh4j32q-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/sdl_game-d70eb954aa86b4b5.sdl_game.9eh4j32q-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/sdl_game-d70eb954aa86b4b5.sdl_game.9eh4j32q-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/sdl_game-d70eb954aa86b4b5.sdl_game.9eh4j32q-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/sdl_game-d70eb954aa86b4b5.sdl_game.9eh4j32q-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/sdl_game-d70eb954aa86b4b5.sdl_game.9eh4j32q-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/sdl_game-d70eb954aa86b4b5" "/opt/rustwide/target/debug/deps/sdl_game-d70eb954aa86b4b5.2cyclgi0vuuxcdwo.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/librayon-22fd03eb402b8f35.rlib" "/opt/rustwide/target/debug/deps/librayon_core-f398996012a34fea.rlib" "/opt/rustwide/target/debug/deps/libnum_cpus-5debcd4181b7d7e2.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_deque-c2e5498a1f1962ee.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_epoch-bf6bda96af343a27.rlib" "/opt/rustwide/target/debug/deps/libscopeguard-61a8585eac99cded.rlib" "/opt/rustwide/target/debug/deps/libmemoffset-e9f298844c390015.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_queue-b76305b481bc4028.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_utils-f70100d05e1798e6.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-7895c92c6d278491.rlib" "/opt/rustwide/target/debug/deps/libmaybe_uninit-ba8c860573beb973.rlib" "/opt/rustwide/target/debug/deps/libeither-33aa006be14f1288.rlib" "/opt/rustwide/target/debug/deps/libchess-b8d863af8e5dbcc0.rlib" "/opt/rustwide/target/debug/deps/libfailure-7b30b519d92d78e5.rlib" "/opt/rustwide/target/debug/deps/libbacktrace-0c758a3c3003c728.rlib" "/opt/rustwide/target/debug/deps/libminiz_oxide-fee0f3614ca78548.rlib" "/opt/rustwide/target/debug/deps/libadler32-772464ff1e050dda.rlib" "/opt/rustwide/target/debug/deps/libobject-1b3f948739d3c9d4.rlib" "/opt/rustwide/target/debug/deps/libaddr2line-0310b926f71875e0.rlib" "/opt/rustwide/target/debug/deps/libgimli-14c476dadc92dc62.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-b10e0993eefc366b.rlib" "/opt/rustwide/target/debug/deps/librustc_demangle-cd0ead7d00ad78db.rlib" "/opt/rustwide/target/debug/deps/libarrayvec-d04c05f6da1705c4.rlib" "/opt/rustwide/target/debug/deps/libnodrop-66854b726d1a5e83.rlib" "/opt/rustwide/target/debug/deps/libsdl2_image-ee4cd36f0b8de780.rlib" "/opt/rustwide/target/debug/deps/libbitflags-2660c594cf04f3b5.rlib" "/opt/rustwide/target/debug/deps/libsdl2-85d0ce71f452651e.rlib" "/opt/rustwide/target/debug/deps/librand-1cdfbdb39995bb63.rlib" "/opt/rustwide/target/debug/deps/librand-83219ecaabd201fe.rlib" "/opt/rustwide/target/debug/deps/libsdl2_sys-2562a78b31a64fc5.rlib" "/opt/rustwide/target/debug/deps/libbitflags-9f683007c92f384d.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-9850e1ed257f46c2.rlib" "/opt/rustwide/target/debug/deps/liblibc-a05f7562caa135ac.rlib" "/opt/rustwide/target/debug/deps/libnum-6dd7843628d54d4a.rlib" "/opt/rustwide/target/debug/deps/libnum_iter-48adb790ff00d407.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-f7cf0f8b929a7e2f.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-d018dc2d30a9630c.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-e12de7683a34c500.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-446a53c2e468675f.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-86fef9fb252a2d33.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-3bed9bfd30304751.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-0e38eeb474a7b386.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-a846ed547b824740.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-c9540f0a4fb9265d.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-7d2ca66c92c356eb.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-147e2c808f949493.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-bd2a4369506670e9.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-74bfdd0ce7d0ed48.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-6777f47f1c491841.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-b104f1790174f2be.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-db37898996f45c13.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-25b7435131fc4938.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-9d4b6f3c097e876e.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-3f953ad652ab829a.rlib" "-Wl,-Bdynamic" "-lSDL2_image" "-lSDL2" "-lutil" "-ldl" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc"
[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; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sdl_game`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "bbab353dbd4f179f8e318d8052a7a269ee1077a64c148de7aa79c6d6518347b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbab353dbd4f179f8e318d8052a7a269ee1077a64c148de7aa79c6d6518347b9", kill_on_drop: false }`
[INFO] [stdout] bbab353dbd4f179f8e318d8052a7a269ee1077a64c148de7aa79c6d6518347b9