[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 1.49.0 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-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/onContentStop/chess-variants-rust 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/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-8/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" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] aff30cb28c19708b28aabcf6926e7f381f9a9c2738cd7a7c70c95d46d360245b
[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" "aff30cb28c19708b28aabcf6926e7f381f9a9c2738cd7a7c70c95d46d360245b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aff30cb28c19708b28aabcf6926e7f381f9a9c2738cd7a7c70c95d46d360245b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aff30cb28c19708b28aabcf6926e7f381f9a9c2738cd7a7c70c95d46d360245b", kill_on_drop: false }`
[INFO] [stdout] aff30cb28c19708b28aabcf6926e7f381f9a9c2738cd7a7c70c95d46d360245b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 36c959c21e023dacfe518df4148c3b204def54b2151e7d04aa8b9851af4bbace
[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" "36c959c21e023dacfe518df4148c3b204def54b2151e7d04aa8b9851af4bbace", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling version-compare v0.0.10
[INFO] [stderr]    Compiling syn v1.0.48
[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 instant v0.1.8
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling sdl2-sys v0.34.2
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling parking_lot_core v0.8.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling parking_lot v0.11.0
[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/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/chess_variants_rust-843217e3d9571550.chess_variants_rust.dvvsy7pl-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/chess_variants_rust-843217e3d9571550.chess_variants_rust.dvvsy7pl-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/chess_variants_rust-843217e3d9571550.chess_variants_rust.dvvsy7pl-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/chess_variants_rust-843217e3d9571550.chess_variants_rust.dvvsy7pl-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/chess_variants_rust-843217e3d9571550.chess_variants_rust.dvvsy7pl-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/chess_variants_rust-843217e3d9571550.chess_variants_rust.dvvsy7pl-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/chess_variants_rust-843217e3d9571550.chess_variants_rust.dvvsy7pl-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/chess_variants_rust-843217e3d9571550.chess_variants_rust.dvvsy7pl-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/chess_variants_rust-843217e3d9571550.chess_variants_rust.dvvsy7pl-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/chess_variants_rust-843217e3d9571550.chess_variants_rust.dvvsy7pl-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/chess_variants_rust-843217e3d9571550.chess_variants_rust.dvvsy7pl-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/chess_variants_rust-843217e3d9571550.chess_variants_rust.dvvsy7pl-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/chess_variants_rust-843217e3d9571550.chess_variants_rust.dvvsy7pl-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/chess_variants_rust-843217e3d9571550.chess_variants_rust.dvvsy7pl-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/chess_variants_rust-843217e3d9571550.chess_variants_rust.dvvsy7pl-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/chess_variants_rust-843217e3d9571550.chess_variants_rust.dvvsy7pl-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/chess_variants_rust-843217e3d9571550" "/opt/rustwide/target/debug/deps/chess_variants_rust-843217e3d9571550.3kf56xh3xn12nryh.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/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libregex-e334ca1e31007f45.rlib" "/opt/rustwide/target/debug/deps/libthread_local-76e36b18ae5ab5a5.rlib" "/opt/rustwide/target/debug/deps/libregex_syntax-203b7ab1130a7d41.rlib" "/opt/rustwide/target/debug/deps/libaho_corasick-7e3abd05b132d39b.rlib" "/opt/rustwide/target/debug/deps/libmemchr-68751ffea57ec29e.rlib" "/opt/rustwide/target/debug/deps/libthiserror-d28a3d843c665f97.rlib" "/opt/rustwide/target/debug/deps/libparking_lot-31fdfd2f12eda6d7.rlib" "/opt/rustwide/target/debug/deps/libparking_lot_core-7b57327b7384fac5.rlib" "/opt/rustwide/target/debug/deps/libsmallvec-06940346a638646b.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-b10e0993eefc366b.rlib" "/opt/rustwide/target/debug/deps/liblock_api-cfad57dc5a57fb5a.rlib" "/opt/rustwide/target/debug/deps/libscopeguard-61a8585eac99cded.rlib" "/opt/rustwide/target/debug/deps/libinstant-98c19d33479e35bc.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-d836a7202f0431f0.rlib" "/opt/rustwide/target/debug/deps/libmacro_attr-87b1e78424c61350.rlib" "/opt/rustwide/target/debug/deps/libenum_derive-b0902edcb0bb7f6b.rlib" "/opt/rustwide/target/debug/deps/libsdl2-3c02121edfd6de7e.rlib" "/opt/rustwide/target/debug/deps/libsdl2_sys-832b468512f632b3.rlib" "/opt/rustwide/target/debug/deps/libbitflags-de31228f2c0549ed.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-7895c92c6d278491.rlib" "/opt/rustwide/target/debug/deps/liblibc-2187a807071c655d.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" "-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" "36c959c21e023dacfe518df4148c3b204def54b2151e7d04aa8b9851af4bbace", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36c959c21e023dacfe518df4148c3b204def54b2151e7d04aa8b9851af4bbace", kill_on_drop: false }`
[INFO] [stdout] 36c959c21e023dacfe518df4148c3b204def54b2151e7d04aa8b9851af4bbace