[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] cbc93dfede60d081e1cb4a568b0f4b1c6cc0b1bb
[INFO] testing onContentStop/chess-variants-rust against 1.45.2 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FonContentStop%2Fchess-variants-rust" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/onContentStop/chess-variants-rust on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "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-4/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" "+1.45.2" "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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e1e637c872ed747f33d351725dbbb61001607223358a1281cd398f9039b1bb57
[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" "e1e637c872ed747f33d351725dbbb61001607223358a1281cd398f9039b1bb57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1e637c872ed747f33d351725dbbb61001607223358a1281cd398f9039b1bb57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1e637c872ed747f33d351725dbbb61001607223358a1281cd398f9039b1bb57", kill_on_drop: false }`
[INFO] [stdout] e1e637c872ed747f33d351725dbbb61001607223358a1281cd398f9039b1bb57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a50c1d656706323bdbcc213bfd6fafd7aed141b51be8300a7afc21daf0b4aee7
[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" "a50c1d656706323bdbcc213bfd6fafd7aed141b51be8300a7afc21daf0b4aee7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling version-compare v0.0.10
[INFO] [stderr]    Compiling sdl2 v0.34.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling chess-variants-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling sdl2-sys v0.34.2
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stdout] warning: unused variable: `canvas`
[INFO] [stdout]   --> src/chess/piece.rs:23:49
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn display<RT: RenderTarget>(&mut self, canvas: &mut Canvas<RT>) {
[INFO] [stdout]    |                                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_canvas`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `movement`
[INFO] [stdout]    --> src/chess/piece_factory.rs:132:17
[INFO] [stdout]     |
[INFO] [stdout] 132 |             let movement = movement?;
[INFO] [stdout]     |                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_movement`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `new_piece_factory`
[INFO] [stdout]    --> src/chess/piece_factory.rs:107:8
[INFO] [stdout]     |
[INFO] [stdout] 107 | pub fn new_piece_factory<'tc>(
[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" "-L" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/chess_variants_rust-b71dcd512b100fc9.chess_variants_rust.6zpfaqmf-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/chess_variants_rust-b71dcd512b100fc9.chess_variants_rust.6zpfaqmf-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/chess_variants_rust-b71dcd512b100fc9.chess_variants_rust.6zpfaqmf-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/chess_variants_rust-b71dcd512b100fc9.chess_variants_rust.6zpfaqmf-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/chess_variants_rust-b71dcd512b100fc9.chess_variants_rust.6zpfaqmf-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/chess_variants_rust-b71dcd512b100fc9.chess_variants_rust.6zpfaqmf-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/chess_variants_rust-b71dcd512b100fc9.chess_variants_rust.6zpfaqmf-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/chess_variants_rust-b71dcd512b100fc9.chess_variants_rust.6zpfaqmf-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/chess_variants_rust-b71dcd512b100fc9.chess_variants_rust.6zpfaqmf-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/chess_variants_rust-b71dcd512b100fc9.chess_variants_rust.6zpfaqmf-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/chess_variants_rust-b71dcd512b100fc9.chess_variants_rust.6zpfaqmf-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/chess_variants_rust-b71dcd512b100fc9.chess_variants_rust.6zpfaqmf-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/chess_variants_rust-b71dcd512b100fc9.chess_variants_rust.6zpfaqmf-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/chess_variants_rust-b71dcd512b100fc9.chess_variants_rust.6zpfaqmf-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/chess_variants_rust-b71dcd512b100fc9.chess_variants_rust.6zpfaqmf-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/chess_variants_rust-b71dcd512b100fc9.chess_variants_rust.6zpfaqmf-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/chess_variants_rust-b71dcd512b100fc9" "/opt/rustwide/target/debug/deps/chess_variants_rust-b71dcd512b100fc9.14dkz8mmxaqbaufq.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/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/librand-9a15f409c60b74ab.rlib" "/opt/rustwide/target/debug/deps/librand_chacha-19e1bdf9c3879af6.rlib" "/opt/rustwide/target/debug/deps/libppv_lite86-c44318ca2ca571e9.rlib" "/opt/rustwide/target/debug/deps/librand_core-4c8ccbc24d2edf05.rlib" "/opt/rustwide/target/debug/deps/libgetrandom-6d6adcb9842193cc.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-ab1bd98be96b57b3.rlib" "/opt/rustwide/target/debug/deps/libregex-347800da6df6c271.rlib" "/opt/rustwide/target/debug/deps/libthread_local-87cfd577652377a1.rlib" "/opt/rustwide/target/debug/deps/libregex_syntax-c234f626249548c1.rlib" "/opt/rustwide/target/debug/deps/libaho_corasick-97b2f11ab4a5d4c6.rlib" "/opt/rustwide/target/debug/deps/libmemchr-994f1cb85517744c.rlib" "/opt/rustwide/target/debug/deps/libsdl2-5eb853bf33b03ff3.rlib" "/opt/rustwide/target/debug/deps/libsdl2_sys-d7cfebdc68e5290f.rlib" "/opt/rustwide/target/debug/deps/libbitflags-02fffe573fe5be1a.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-660ab907323d6aba.rlib" "/opt/rustwide/target/debug/deps/liblibc-caad4fcf9d4e18e2.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-8bb11f807a7b6b4c.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-ca8087507780d964.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-259c92b387c1c166.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-16e0a2fbbb8e14b3.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-8a1651b8e23d2aaf.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-23bdd98b0574083e.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-855a92055ec33e2e.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-24c70dd44fbacdfb.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-b326273841bae587.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-ac3c1f0e16507051.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-a5729542b65954aa.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-09bd1119ab1cad7d.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-9a787681bfbeaf61.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-5a0398ee67f74664.rlib" "-Wl,-Bdynamic" "-lSDL2" "-lSDL2_mixer" "-lSDL2_image" "-lSDL2_ttf" "-lutil" "-ldl" "-lutil" "-ldl" "-lrt" "-lpthread" "-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; 3 warnings 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" "a50c1d656706323bdbcc213bfd6fafd7aed141b51be8300a7afc21daf0b4aee7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a50c1d656706323bdbcc213bfd6fafd7aed141b51be8300a7afc21daf0b4aee7", kill_on_drop: false }`
[INFO] [stdout] a50c1d656706323bdbcc213bfd6fafd7aed141b51be8300a7afc21daf0b4aee7