[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-2021-08-01 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fghallberg%2Fpaperacers" "/workspace/builds/worker-38/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-38/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ghallberg/paperacers on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-38/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-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f275e70c4ed0644f02d31b2777dc1a0a006e7a1039243c973ec81cf90a04ee77
[INFO] running `Command { std: "docker" "start" "-a" "f275e70c4ed0644f02d31b2777dc1a0a006e7a1039243c973ec81cf90a04ee77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f275e70c4ed0644f02d31b2777dc1a0a006e7a1039243c973ec81cf90a04ee77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f275e70c4ed0644f02d31b2777dc1a0a006e7a1039243c973ec81cf90a04ee77", kill_on_drop: false }`
[INFO] [stdout] f275e70c4ed0644f02d31b2777dc1a0a006e7a1039243c973ec81cf90a04ee77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fdfe4440eb11c6d62e36eede9e98c0710ba2432abc9738c76f6ec5b763b3fcfe
[INFO] running `Command { std: "docker" "start" "-a" "fdfe4440eb11c6d62e36eede9e98c0710ba2432abc9738c76f6ec5b763b3fcfe", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling cfg-if v0.1.5
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling c_vec v1.3.2
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling sdl2-sys v0.31.0
[INFO] [stderr]    Compiling itertools v0.7.8
[INFO] [stderr]    Compiling rand v0.4.3
[INFO] [stderr]    Compiling rand v0.3.22
[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 `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 `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 `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 `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 `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 `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 `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 `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 status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-m64" "/opt/rustwide/target/debug/deps/paperacers-aee61e14f4af9f3d.paperacers.bc75961d-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/paperacers-aee61e14f4af9f3d.paperacers.bc75961d-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/paperacers-aee61e14f4af9f3d.paperacers.bc75961d-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/paperacers-aee61e14f4af9f3d.paperacers.bc75961d-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/paperacers-aee61e14f4af9f3d.paperacers.bc75961d-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/paperacers-aee61e14f4af9f3d.paperacers.bc75961d-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/paperacers-aee61e14f4af9f3d.paperacers.bc75961d-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/paperacers-aee61e14f4af9f3d.paperacers.bc75961d-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/paperacers-aee61e14f4af9f3d.paperacers.bc75961d-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/paperacers-aee61e14f4af9f3d.paperacers.bc75961d-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/paperacers-aee61e14f4af9f3d.paperacers.bc75961d-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/paperacers-aee61e14f4af9f3d.paperacers.bc75961d-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/paperacers-aee61e14f4af9f3d.paperacers.bc75961d-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/paperacers-aee61e14f4af9f3d.paperacers.bc75961d-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/paperacers-aee61e14f4af9f3d.paperacers.bc75961d-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/paperacers-aee61e14f4af9f3d.paperacers.bc75961d-cgu.9.rcgu.o" "/opt/rustwide/target/debug/deps/paperacers-aee61e14f4af9f3d.4r595tvbrkc83k6g.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libitertools-d0cf5795042704fd.rlib" "/opt/rustwide/target/debug/deps/libeither-441f5bafc1559785.rlib" "/opt/rustwide/target/debug/deps/libsdl2-85aed6641d6c436e.rlib" "/opt/rustwide/target/debug/deps/librand-66b9eb4f641e4140.rlib" "/opt/rustwide/target/debug/deps/librand-2cb05069733f2ca0.rlib" "/opt/rustwide/target/debug/deps/libc_vec-ec52112201ed3770.rlib" "/opt/rustwide/target/debug/deps/libsdl2_sys-2f4bf248e36cd1d5.rlib" "/opt/rustwide/target/debug/deps/libbitflags-b4f9db8d1fb8bceb.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-941278a3890dcd94.rlib" "/opt/rustwide/target/debug/deps/liblibc-149d35ccee2b3510.rlib" "/opt/rustwide/target/debug/deps/libnum-c03d9ab7dda15042.rlib" "/opt/rustwide/target/debug/deps/libnum_iter-1f691041d4671865.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-4d5ecc2e8796a490.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-4390a99cfa7636aa.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-197d933f09d9a590.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-46a006cddfd334f0.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-5b9870310e470b38.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-260022ba8f1ab4ee.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-71377435a799394f.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-658ee5924fde57cd.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-9e8627da6bd1b94a.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-19fdaac49f59be84.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-cb00e2691ea45905.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-50f6726defae5ae1.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-2afc16311deea26e.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-bb5cb0fe086ee8cf.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-896053247b5dfd0b.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-735e1f2ac3cf23be.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-9dfb6622644c732c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-beea7d9617fe25c5.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-8ef7dd43fc671f88.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-a9a3b2ad67977f47.rlib" "-Wl,-Bdynamic" "-lSDL2_gfx" "-lSDL2" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/paperacers-aee61e14f4af9f3d" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs"
[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` due to 2 previous errors; 10 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "fdfe4440eb11c6d62e36eede9e98c0710ba2432abc9738c76f6ec5b763b3fcfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdfe4440eb11c6d62e36eede9e98c0710ba2432abc9738c76f6ec5b763b3fcfe", kill_on_drop: false }`
[INFO] [stdout] fdfe4440eb11c6d62e36eede9e98c0710ba2432abc9738c76f6ec5b763b3fcfe
