[INFO] cloning repository https://github.com/pako8128/pong
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pako8128/pong" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpako8128%2Fpong", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpako8128%2Fpong'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3245ba30d5c313a604e051d7096e0466a1b52f66
[INFO] testing pako8128/pong against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpako8128%2Fpong" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pako8128/pong on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pako8128/pong
[INFO] finished tweaking git repo https://github.com/pako8128/pong
[INFO] tweaked toml for git repo https://github.com/pako8128/pong written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/pako8128/pong already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 71c88c8249858ae7d6f67de7fb92c223e9b960ea4b9b3b2a3f77a18118dbcf52
[INFO] running `Command { std: "docker" "start" "-a" "71c88c8249858ae7d6f67de7fb92c223e9b960ea4b9b3b2a3f77a18118dbcf52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71c88c8249858ae7d6f67de7fb92c223e9b960ea4b9b3b2a3f77a18118dbcf52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71c88c8249858ae7d6f67de7fb92c223e9b960ea4b9b3b2a3f77a18118dbcf52", kill_on_drop: false }`
[INFO] [stdout] 71c88c8249858ae7d6f67de7fb92c223e9b960ea4b9b3b2a3f77a18118dbcf52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 67a446eb3fd89e458916ef9caf3a25aad5d85a2b3c2125238b12c218eadcdb08
[INFO] running `Command { std: "docker" "start" "-a" "67a446eb3fd89e458916ef9caf3a25aad5d85a2b3c2125238b12c218eadcdb08", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling libc v0.2.49
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling rand_jitter v0.1.3
[INFO] [stderr]    Compiling sdl2-sys v0.32.5
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_os v0.1.2
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling sdl2 v0.32.1
[INFO] [stderr]    Compiling pong v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `timer`
[INFO] [stdout]   --> src/main.rs:18:13
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let mut timer = sdl_context.timer().unwrap();
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_timer`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let mut timer = sdl_context.timer().unwrap();
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `speed_up`
[INFO] [stdout]   --> src/objects.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn speed_up(&mut self) {
[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 status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-m64" "/opt/rustwide/target/debug/deps/pong-9e4bdc59812bfcfe.pong.a6b4854a-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/pong-9e4bdc59812bfcfe.pong.a6b4854a-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/pong-9e4bdc59812bfcfe.pong.a6b4854a-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/pong-9e4bdc59812bfcfe.pong.a6b4854a-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/pong-9e4bdc59812bfcfe.pong.a6b4854a-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/pong-9e4bdc59812bfcfe.pong.a6b4854a-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/pong-9e4bdc59812bfcfe.pong.a6b4854a-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/pong-9e4bdc59812bfcfe.pong.a6b4854a-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/pong-9e4bdc59812bfcfe.pong.a6b4854a-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/pong-9e4bdc59812bfcfe.pong.a6b4854a-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/pong-9e4bdc59812bfcfe.pong.a6b4854a-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/pong-9e4bdc59812bfcfe.pong.a6b4854a-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/pong-9e4bdc59812bfcfe.pong.a6b4854a-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/pong-9e4bdc59812bfcfe.pong.a6b4854a-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/pong-9e4bdc59812bfcfe.pong.a6b4854a-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/pong-9e4bdc59812bfcfe.pong.a6b4854a-cgu.9.rcgu.o" "/opt/rustwide/target/debug/deps/pong-9e4bdc59812bfcfe.19ck8uko1ma3phlv.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libsdl2-eb75a4703af46d74.rlib" "/opt/rustwide/target/debug/deps/librand-7e2887e8b76f1ca6.rlib" "/opt/rustwide/target/debug/deps/librand_xorshift-77606af54bbbbcc4.rlib" "/opt/rustwide/target/debug/deps/librand_pcg-194054a0510c0d4b.rlib" "/opt/rustwide/target/debug/deps/librand_hc-1d269308525f4b6f.rlib" "/opt/rustwide/target/debug/deps/librand_chacha-8f4386616762b031.rlib" "/opt/rustwide/target/debug/deps/librand_isaac-db35b97212c0da34.rlib" "/opt/rustwide/target/debug/deps/librand_core-f8c892ef9c68230d.rlib" "/opt/rustwide/target/debug/deps/librand_os-bb48ff582263c845.rlib" "/opt/rustwide/target/debug/deps/librand_jitter-ffda9987c5853265.rlib" "/opt/rustwide/target/debug/deps/librand_core-83a6dba49af4e27f.rlib" "/opt/rustwide/target/debug/deps/libsdl2_sys-937e97870079b068.rlib" "/opt/rustwide/target/debug/deps/libbitflags-c1fd6b181e1981af.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-127689f7eaad1653.rlib" "/opt/rustwide/target/debug/deps/liblibc-667ccfdc931af70b.rlib" "/opt/rustwide/target/debug/deps/libnum-6bc18259e5965064.rlib" "/opt/rustwide/target/debug/deps/libnum_iter-d25f99791fa87a5f.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-a68bca7b6168f964.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-1ad15e33f20f8171.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-9a950938f3668a37.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-3b1b529ec96b3df7.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-ac333df4e6839cea.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-22a9ff9d2be6d427.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-5decbb94c7d60860.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libmemchr-29a9663b62a1cd00.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-6f0cee0dbab2d3f8.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-f5dc7d1d28c5c249.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-d19bda9ef557e755.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-82a955fd13db2399.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-44f3e7c1b7cc17ef.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-3ee6f750c5f3c2cf.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-ae5e1795dcba83e8.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-8d545d8592f2b534.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-c4c222675f83fd37.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-c1e9c53e75e301ed.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-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-2021-09-08-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-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-80a2b295510dd038.rlib" "-Wl,-Bdynamic" "-lSDL2" "-lSDL2_image" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/pong-9e4bdc59812bfcfe" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: cannot find -lSDL2_image
[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 `pong` due to 2 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "67a446eb3fd89e458916ef9caf3a25aad5d85a2b3c2125238b12c218eadcdb08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67a446eb3fd89e458916ef9caf3a25aad5d85a2b3c2125238b12c218eadcdb08", kill_on_drop: false }`
[INFO] [stdout] 67a446eb3fd89e458916ef9caf3a25aad5d85a2b3c2125238b12c218eadcdb08