[INFO] cloning repository https://github.com/ghallberg/paperacers
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ghallberg/paperacers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fghallberg%2Fpaperacers", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fghallberg%2Fpaperacers'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9f7fa24c1e3d7f43e4121d20b4034f12d37a8596
[INFO] testing ghallberg/paperacers against beta-2020-10-09 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fghallberg%2Fpaperacers" "/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/ghallberg/paperacers on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ghallberg/paperacers
[INFO] finished tweaking git repo https://github.com/ghallberg/paperacers
[INFO] tweaked toml for git repo https://github.com/ghallberg/paperacers written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/ghallberg/paperacers already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded c_vec v1.3.2
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 200de4421c5127ec6694becd0d9cd52c75ca31ddc02d0d3bd28c1c69ea5b24d9
[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" "200de4421c5127ec6694becd0d9cd52c75ca31ddc02d0d3bd28c1c69ea5b24d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "200de4421c5127ec6694becd0d9cd52c75ca31ddc02d0d3bd28c1c69ea5b24d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "200de4421c5127ec6694becd0d9cd52c75ca31ddc02d0d3bd28c1c69ea5b24d9", kill_on_drop: false }`
[INFO] [stdout] 200de4421c5127ec6694becd0d9cd52c75ca31ddc02d0d3bd28c1c69ea5b24d9
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e70f63431d800b3d07a0b0164304f606de319ee6968035171904f43223df409
[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" "1e70f63431d800b3d07a0b0164304f606de319ee6968035171904f43223df409", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling c_vec v1.3.2
[INFO] [stderr]    Compiling sdl2-sys v0.31.0
[INFO] [stderr]    Compiling itertools v0.7.8
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling sdl2 v0.31.0
[INFO] [stderr]    Compiling paperacers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `pos`
[INFO] [stdout]   --> src/game.rs:83:28
[INFO] [stdout]    |
[INFO] [stdout] 83 |     fn is_on_starting_line(pos: GridPos) -> bool {
[INFO] [stdout]    |                            ^^^ help: if this is intentional, prefix it with an underscore: `_pos`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `GamePos`
[INFO] [stdout]  --> src/game.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct GamePos {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:87:5
[INFO] [stdout]    |
[INFO] [stdout] 87 | /     canvas.filled_polygon(
[INFO] [stdout] 88 | |         track.out_edge.xs.as_slice(),
[INFO] [stdout] 89 | |         track.out_edge.ys.as_slice(),
[INFO] [stdout] 90 | |         track_color
[INFO] [stdout] 91 | |         );
[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 `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:92:5
[INFO] [stdout]    |
[INFO] [stdout] 92 | /     canvas.filled_polygon(
[INFO] [stdout] 93 | |         track.in_edge.xs.as_slice(),
[INFO] [stdout] 94 | |         track.in_edge.ys.as_slice(),
[INFO] [stdout] 95 | |         center_color
[INFO] [stdout] 96 | |         );
[INFO] [stdout]    | |__________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/main.rs:102:9
[INFO] [stdout]     |
[INFO] [stdout] 102 |         canvas.thick_line(start.x as i16, start.y as i16, end.x as i16, end.y as i16, 2, color);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/main.rs:107:23
[INFO] [stdout]     |
[INFO] [stdout] 107 |         Some(pos) => {canvas.filled_circle(pos.x as i16, pos.y as i16, 3, color);},
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/main.rs:122:13
[INFO] [stdout]     |
[INFO] [stdout] 122 |             canvas.rectangle(x1, y1, x2, y2, color);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/main.rs:130:13
[INFO] [stdout]     |
[INFO] [stdout] 130 |             canvas.rectangle(x1, y1, x2, y2, color);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/main.rs:140:17
[INFO] [stdout]     |
[INFO] [stdout] 140 |                 canvas.circle(mdp.x as i16, mdp.y as i16, 3, color);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/main.rs:143:17
[INFO] [stdout]     |
[INFO] [stdout] 143 |                 canvas.circle(mdp.x as i16, mdp.y as i16, 3, Color::RGB(150,0,0));
[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 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-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/paperacers-20c97edd0d744e45.paperacers.asautad1-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/paperacers-20c97edd0d744e45.paperacers.asautad1-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/paperacers-20c97edd0d744e45.paperacers.asautad1-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/paperacers-20c97edd0d744e45.paperacers.asautad1-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/paperacers-20c97edd0d744e45.paperacers.asautad1-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/paperacers-20c97edd0d744e45.paperacers.asautad1-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/paperacers-20c97edd0d744e45.paperacers.asautad1-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/paperacers-20c97edd0d744e45.paperacers.asautad1-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/paperacers-20c97edd0d744e45.paperacers.asautad1-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/paperacers-20c97edd0d744e45.paperacers.asautad1-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/paperacers-20c97edd0d744e45.paperacers.asautad1-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/paperacers-20c97edd0d744e45.paperacers.asautad1-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/paperacers-20c97edd0d744e45.paperacers.asautad1-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/paperacers-20c97edd0d744e45.paperacers.asautad1-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/paperacers-20c97edd0d744e45.paperacers.asautad1-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/paperacers-20c97edd0d744e45.paperacers.asautad1-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/paperacers-20c97edd0d744e45" "/opt/rustwide/target/debug/deps/paperacers-20c97edd0d744e45.i76uuuqynoic5jl.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libitertools-98dee7d18214804a.rlib" "/opt/rustwide/target/debug/deps/libeither-fffa7dedf195fb70.rlib" "/opt/rustwide/target/debug/deps/libsdl2-cf5de8278727008c.rlib" "/opt/rustwide/target/debug/deps/librand-11ea1f4bc20e022e.rlib" "/opt/rustwide/target/debug/deps/librand-d6f8172f2355255a.rlib" "/opt/rustwide/target/debug/deps/libc_vec-a585de288b38ea26.rlib" "/opt/rustwide/target/debug/deps/libsdl2_sys-291caadcd075695d.rlib" "/opt/rustwide/target/debug/deps/libbitflags-7b15d77b989f677d.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-2ea69cae54b65af6.rlib" "/opt/rustwide/target/debug/deps/liblibc-992e4eaaf6dee430.rlib" "/opt/rustwide/target/debug/deps/libnum-40c02d75b8f4456d.rlib" "/opt/rustwide/target/debug/deps/libnum_iter-d638954e43e05d15.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-6f06a2f01512f241.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-cdbb2c93d82ff0aa.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-3532beb752f910d7.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-3529ece450b7f3c6.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-23e8f582a6744f80.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-5e7e0793b29cbf78.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-253e0736424ceb78.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-b6fd484888124c85.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-cca4d20e4b53839c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-0a7401891c2a4f50.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-efbb25e073df787e.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-25965457612624bc.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-09058283ea779342.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-ab973dacc0513511.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-b437d6640b1f764b.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-8cc0b2380206399c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-727cdf2b6a468113.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-cf4d442d877ea2f4.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-7e5b6df427ca977c.rlib" "-Wl,-Bdynamic" "-lSDL2_gfx" "-lSDL2" "-lutil" "-lutil" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-lutil"
[INFO] [stdout]   = note: /usr/bin/ld: cannot find -lSDL2_gfx
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `paperacers`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "1e70f63431d800b3d07a0b0164304f606de319ee6968035171904f43223df409", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e70f63431d800b3d07a0b0164304f606de319ee6968035171904f43223df409", kill_on_drop: false }`
[INFO] [stdout] 1e70f63431d800b3d07a0b0164304f606de319ee6968035171904f43223df409
