[INFO] updating cached repository https://github.com/pako8128/pong
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3245ba30d5c313a604e051d7096e0466a1b52f66
[INFO] testing pako8128/pong against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpako8128%2Fpong" "work/builds/worker-2/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pako8128/pong on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[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 work/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/pako8128/pong already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] d753226dcda20b3d97f380bfe280b5d938102392bcb2fd6121d41a7e96205d5c
[INFO] running `"docker" "start" "-a" "d753226dcda20b3d97f380bfe280b5d938102392bcb2fd6121d41a7e96205d5c"`
[INFO] [stderr]    Compiling sdl2-sys v0.32.5
[INFO] [stderr]    Compiling sdl2 v0.32.1
[INFO] [stderr]    Compiling pong v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `timer`
[INFO] [stderr]   --> src/main.rs:18:13
[INFO] [stderr]    |
[INFO] [stderr] 18 |     let mut timer = sdl_context.timer().unwrap();
[INFO] [stderr]    |             ^^^^^ help: consider prefixing with an underscore: `_timer`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |     let mut timer = sdl_context.timer().unwrap();
[INFO] [stderr]    |         ----^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `speed_up`
[INFO] [stderr]   --> src/objects.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 |     pub fn speed_up(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: linking with `cc` failed: exit code: 1
[INFO] [stderr]   |
[INFO] [stderr]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-L" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/pong-51995b3d54c75d96.pong.81he0p7l-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/pong-51995b3d54c75d96.pong.81he0p7l-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/pong-51995b3d54c75d96.pong.81he0p7l-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/pong-51995b3d54c75d96.pong.81he0p7l-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/pong-51995b3d54c75d96.pong.81he0p7l-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/pong-51995b3d54c75d96.pong.81he0p7l-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/pong-51995b3d54c75d96.pong.81he0p7l-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/pong-51995b3d54c75d96.pong.81he0p7l-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/pong-51995b3d54c75d96.pong.81he0p7l-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/pong-51995b3d54c75d96.pong.81he0p7l-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/pong-51995b3d54c75d96.pong.81he0p7l-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/pong-51995b3d54c75d96.pong.81he0p7l-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/pong-51995b3d54c75d96.pong.81he0p7l-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/pong-51995b3d54c75d96.pong.81he0p7l-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/pong-51995b3d54c75d96.pong.81he0p7l-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/pong-51995b3d54c75d96.pong.81he0p7l-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/pong-51995b3d54c75d96" "/opt/rustwide/target/debug/deps/pong-51995b3d54c75d96.5a7fov83t07d7ewg.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libsdl2-ea6b64cb87fb8c56.rlib" "/opt/rustwide/target/debug/deps/librand-511a3328576b1a5b.rlib" "/opt/rustwide/target/debug/deps/librand_xorshift-788e08e4e9b857db.rlib" "/opt/rustwide/target/debug/deps/librand_pcg-e41477ef205dc899.rlib" "/opt/rustwide/target/debug/deps/librand_hc-a413bb2c7ba70585.rlib" "/opt/rustwide/target/debug/deps/librand_chacha-71d15c312716f348.rlib" "/opt/rustwide/target/debug/deps/librand_isaac-4874caa1590f70f4.rlib" "/opt/rustwide/target/debug/deps/librand_core-92c2f35314396599.rlib" "/opt/rustwide/target/debug/deps/librand_os-cd1a30b035b55188.rlib" "/opt/rustwide/target/debug/deps/librand_jitter-5f052041a93710aa.rlib" "/opt/rustwide/target/debug/deps/librand_core-bcfcf7c2a1d9c9e3.rlib" "/opt/rustwide/target/debug/deps/libsdl2_sys-87ebdeb755a8b004.rlib" "/opt/rustwide/target/debug/deps/libbitflags-ac824a210725bad3.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-7f0036cdc569d1c1.rlib" "/opt/rustwide/target/debug/deps/liblibc-3fc54b57a8a053c5.rlib" "/opt/rustwide/target/debug/deps/libnum-3864f76b6dda44fb.rlib" "/opt/rustwide/target/debug/deps/libnum_iter-53ea44e79df097b8.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-80c6dbab6652410c.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-cb412cedb055b888.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-12ce12f1efc08aa3.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-5d3cd1b3ddab72e4.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-f8222943dfd167e2.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-0cd00b2d3108cd48.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-485c05ba6ce1b438.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-63e6b1072426ba59.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-a421aff1d43911ee.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-3deef8ef4fe80dff.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-f65a176f0586269e.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-ad46d4080f4d7e57.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-da6c590582bf0885.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-837ca740df32db0a.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-db27c965e824589f.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-68a4f8466685ed76.rlib" "-Wl,-Bdynamic" "-lSDL2" "-lSDL2_image" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil"
[INFO] [stderr]   = note: /usr/bin/ld: cannot find -lSDL2_image
[INFO] [stderr]           collect2: error: ld returned 1 exit status
[INFO] [stderr]           
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `pong`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "d753226dcda20b3d97f380bfe280b5d938102392bcb2fd6121d41a7e96205d5c"`
[INFO] running `"docker" "rm" "-f" "d753226dcda20b3d97f380bfe280b5d938102392bcb2fd6121d41a7e96205d5c"`
[INFO] [stdout] d753226dcda20b3d97f380bfe280b5d938102392bcb2fd6121d41a7e96205d5c