[INFO] cloning repository https://github.com/onContentStop/chess-variants-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/onContentStop/chess-variants-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FonContentStop%2Fchess-variants-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FonContentStop%2Fchess-variants-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f768d8b1b4b43f84b9ffad77aa61fde4f766555e
[INFO] testing onContentStop/chess-variants-rust against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FonContentStop%2Fchess-variants-rust" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/onContentStop/chess-variants-rust on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/onContentStop/chess-variants-rust
[INFO] finished tweaking git repo https://github.com/onContentStop/chess-variants-rust
[INFO] tweaked toml for git repo https://github.com/onContentStop/chess-variants-rust written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/onContentStop/chess-variants-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded expect-test v1.0.2
[INFO] [stderr]   Downloaded sdl2 v0.34.2
[INFO] [stderr]   Downloaded enum_derive v0.1.7
[INFO] [stderr]   Downloaded macro-attr v0.2.0
[INFO] [stderr]   Downloaded smawk v0.3.0
[INFO] [stderr]   Downloaded textwrap v0.13.1
[INFO] [stderr]   Downloaded sdl2-sys v0.34.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3390b21d640037f11e2f5e16782b80a01bad78309f5296a21b9ff94d012f2501
[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" "3390b21d640037f11e2f5e16782b80a01bad78309f5296a21b9ff94d012f2501", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3390b21d640037f11e2f5e16782b80a01bad78309f5296a21b9ff94d012f2501", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3390b21d640037f11e2f5e16782b80a01bad78309f5296a21b9ff94d012f2501", kill_on_drop: false }`
[INFO] [stdout] 3390b21d640037f11e2f5e16782b80a01bad78309f5296a21b9ff94d012f2501
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a8d5afcf633efc57809d11f12b01f954bd22079efa6ae407be878d7b6088c914
[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" "a8d5afcf633efc57809d11f12b01f954bd22079efa6ae407be878d7b6088c914", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling smallvec v1.4.2
[INFO] [stderr]    Compiling sdl2 v0.34.2
[INFO] [stderr]    Compiling chess-variants-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling regex-syntax v0.6.20
[INFO] [stderr]    Compiling macro-attr v0.2.0
[INFO] [stderr]    Compiling enum_derive v0.1.7
[INFO] [stderr]    Compiling sdl2-sys v0.34.2
[INFO] [stderr]    Compiling instant v0.1.8
[INFO] [stderr]    Compiling lock_api v0.4.1
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling parking_lot_core v0.8.0
[INFO] [stderr]    Compiling parking_lot v0.11.0
[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 regex v1.4.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.21
[INFO] [stderr]    Compiling thiserror v1.0.21
[INFO] [stdout] warning: unused import: `game_piece`
[INFO] [stdout]  --> src/chess_game/board.rs:7:38
[INFO] [stdout]   |
[INFO] [stdout] 7 | use super::{board_space::BoardSpace, game_piece};
[INFO] [stdout]   |                                      ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` 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/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/chess_variants_rust-677910d72fe9f0e6.chess_variants_rust.dtvgbg16-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/chess_variants_rust-677910d72fe9f0e6.chess_variants_rust.dtvgbg16-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/chess_variants_rust-677910d72fe9f0e6.chess_variants_rust.dtvgbg16-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/chess_variants_rust-677910d72fe9f0e6.chess_variants_rust.dtvgbg16-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/chess_variants_rust-677910d72fe9f0e6.chess_variants_rust.dtvgbg16-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/chess_variants_rust-677910d72fe9f0e6.chess_variants_rust.dtvgbg16-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/chess_variants_rust-677910d72fe9f0e6.chess_variants_rust.dtvgbg16-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/chess_variants_rust-677910d72fe9f0e6.chess_variants_rust.dtvgbg16-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/chess_variants_rust-677910d72fe9f0e6.chess_variants_rust.dtvgbg16-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/chess_variants_rust-677910d72fe9f0e6.chess_variants_rust.dtvgbg16-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/chess_variants_rust-677910d72fe9f0e6.chess_variants_rust.dtvgbg16-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/chess_variants_rust-677910d72fe9f0e6.chess_variants_rust.dtvgbg16-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/chess_variants_rust-677910d72fe9f0e6.chess_variants_rust.dtvgbg16-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/chess_variants_rust-677910d72fe9f0e6.chess_variants_rust.dtvgbg16-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/chess_variants_rust-677910d72fe9f0e6.chess_variants_rust.dtvgbg16-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/chess_variants_rust-677910d72fe9f0e6.chess_variants_rust.dtvgbg16-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/chess_variants_rust-677910d72fe9f0e6" "/opt/rustwide/target/debug/deps/chess_variants_rust-677910d72fe9f0e6.324dzwu0s1itzpkx.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "lib" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libregex-2b726b48fb8d272a.rlib" "/opt/rustwide/target/debug/deps/libthread_local-abd19461110d9879.rlib" "/opt/rustwide/target/debug/deps/libregex_syntax-c1796f7a36bcd395.rlib" "/opt/rustwide/target/debug/deps/libaho_corasick-d9b457e9389a1382.rlib" "/opt/rustwide/target/debug/deps/libmemchr-90bac19b7815f3a4.rlib" "/opt/rustwide/target/debug/deps/libthiserror-9dfb95807ebcb966.rlib" "/opt/rustwide/target/debug/deps/libparking_lot-92e3e1fb352f6a4f.rlib" "/opt/rustwide/target/debug/deps/libparking_lot_core-035471444cb21d41.rlib" "/opt/rustwide/target/debug/deps/libsmallvec-df957b2a11624f21.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-3bb9a546b52233f2.rlib" "/opt/rustwide/target/debug/deps/liblock_api-55d53257e79b27bc.rlib" "/opt/rustwide/target/debug/deps/libscopeguard-b71d276e69df7592.rlib" "/opt/rustwide/target/debug/deps/libinstant-4cd0bc6b72d36e85.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-d82520db93b55397.rlib" "/opt/rustwide/target/debug/deps/libmacro_attr-e13437f651f800fc.rlib" "/opt/rustwide/target/debug/deps/libenum_derive-09c87e5b8176e76a.rlib" "/opt/rustwide/target/debug/deps/libsdl2-e8a0713d7c93882a.rlib" "/opt/rustwide/target/debug/deps/libsdl2_sys-7555ab2d2ff6ab91.rlib" "/opt/rustwide/target/debug/deps/libbitflags-8a5476fab5bb3232.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-b2d06f7d60fcbb27.rlib" "/opt/rustwide/target/debug/deps/liblibc-1d7afaf88f84438e.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-7444fd17919e9af0.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-0ee2f67026959ab7.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-df1bcd1e82256d04.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-ed9ecf1b54021131.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-0ede66bb24e94b96.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-7c2de7f50940865c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-b138d50085fd4683.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-6576870d8f2b9ae2.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-042a30c5f67b2c91.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-7b3f33d3dbe385dc.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-90b3063cd7b22527.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-17f9484f8dc4da1e.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-df38345acd9d92e1.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-a5e10ca10bdd9e54.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-9e5b4162eeef2cef.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-3a4e739a77468800.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-0f3a0c116d5e04d6.rlib" "-Wl,-Bdynamic" "-lSDL2" "-lSDL2_mixer" "-lSDL2_image" "-lSDL2_ttf" "-lutil" "-ldl" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc"
[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; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `chess-variants-rust`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "a8d5afcf633efc57809d11f12b01f954bd22079efa6ae407be878d7b6088c914", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8d5afcf633efc57809d11f12b01f954bd22079efa6ae407be878d7b6088c914", kill_on_drop: false }`
[INFO] [stdout] a8d5afcf633efc57809d11f12b01f954bd22079efa6ae407be878d7b6088c914