[INFO] updating cached repository https://github.com/pako8128/pong
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3245ba30d5c313a604e051d7096e0466a1b52f66
[INFO] testing pako8128/pong against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpako8128%2Fpong" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pako8128/pong on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", 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-9/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-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e10a2afddee7560a276eae0c3122d26591ea2cb7a1d0d4f3478beaecc87da396
[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" "e10a2afddee7560a276eae0c3122d26591ea2cb7a1d0d4f3478beaecc87da396", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e10a2afddee7560a276eae0c3122d26591ea2cb7a1d0d4f3478beaecc87da396", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e10a2afddee7560a276eae0c3122d26591ea2cb7a1d0d4f3478beaecc87da396", kill_on_drop: false }`
[INFO] [stdout] e10a2afddee7560a276eae0c3122d26591ea2cb7a1d0d4f3478beaecc87da396
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 87f91a8672221d116e3621cab83edb7a687c62eef2d2a267f68ff0d250c2591b
[INFO] running `Command { std: "docker" "start" "-a" "87f91a8672221d116e3621cab83edb7a687c62eef2d2a267f68ff0d250c2591b", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.4.0
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling libc v0.2.49
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling sdl2-sys v0.32.5
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.3
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[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:18:9
[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 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-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/pong-e11be970c710661d.pong.dtvru4fj-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/pong-e11be970c710661d.pong.dtvru4fj-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/pong-e11be970c710661d.pong.dtvru4fj-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/pong-e11be970c710661d.pong.dtvru4fj-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/pong-e11be970c710661d.pong.dtvru4fj-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/pong-e11be970c710661d.pong.dtvru4fj-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/pong-e11be970c710661d.pong.dtvru4fj-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/pong-e11be970c710661d.pong.dtvru4fj-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/pong-e11be970c710661d.pong.dtvru4fj-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/pong-e11be970c710661d.pong.dtvru4fj-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/pong-e11be970c710661d.pong.dtvru4fj-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/pong-e11be970c710661d.pong.dtvru4fj-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/pong-e11be970c710661d.pong.dtvru4fj-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/pong-e11be970c710661d.pong.dtvru4fj-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/pong-e11be970c710661d.pong.dtvru4fj-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/pong-e11be970c710661d.pong.dtvru4fj-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/pong-e11be970c710661d" "/opt/rustwide/target/debug/deps/pong-e11be970c710661d.55qredjzlsfpifdl.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libsdl2-7677fcf12934bc47.rlib" "/opt/rustwide/target/debug/deps/librand-9c0201bb24063836.rlib" "/opt/rustwide/target/debug/deps/librand_xorshift-d166eaf1f31e436d.rlib" "/opt/rustwide/target/debug/deps/librand_pcg-2a47a3ab28ac2b9a.rlib" "/opt/rustwide/target/debug/deps/librand_hc-f2e4f141a70472cc.rlib" "/opt/rustwide/target/debug/deps/librand_chacha-88ac67478fbd4d3a.rlib" "/opt/rustwide/target/debug/deps/librand_isaac-1bde7cb07bd26099.rlib" "/opt/rustwide/target/debug/deps/librand_core-e70617dc38f2822c.rlib" "/opt/rustwide/target/debug/deps/librand_os-fb37450242a336ae.rlib" "/opt/rustwide/target/debug/deps/librand_jitter-42edf4933730096a.rlib" "/opt/rustwide/target/debug/deps/librand_core-803546ca06a2d189.rlib" "/opt/rustwide/target/debug/deps/libsdl2_sys-9f6e992ce453ad46.rlib" "/opt/rustwide/target/debug/deps/libbitflags-0e3ab843d5d98160.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-7fc82a6b87fbdfeb.rlib" "/opt/rustwide/target/debug/deps/liblibc-0851c0afcdf7b8bd.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-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-d66e0ceb8eaec9b8.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-9717ec0599b569a0.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-04369de9ba916647.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-997d622c2e4dbe5c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-0359c4288a5ef89f.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-1b25ede22d698ab3.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-37940b486a68e488.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-06b77c27e794c7c6.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-4d07e02a8df36da1.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-fb29e0695c0a0f79.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-e16188b4cf97e8bb.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-5eb391c8dabdee77.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-b0689b528b222bee.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-ed072ac495e62e7a.rlib" "-Wl,-Bdynamic" "-lSDL2" "-lSDL2_image" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-lutil"
[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`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "87f91a8672221d116e3621cab83edb7a687c62eef2d2a267f68ff0d250c2591b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87f91a8672221d116e3621cab83edb7a687c62eef2d2a267f68ff0d250c2591b", kill_on_drop: false }`
[INFO] [stdout] 87f91a8672221d116e3621cab83edb7a687c62eef2d2a267f68ff0d250c2591b