[INFO] updating cached repository https://github.com/pako8128/pong
[INFO] running `"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"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3245ba30d5c313a604e051d7096e0466a1b52f66
[INFO] testing pako8128/pong against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpako8128%2Fpong" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pako8128/pong on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "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 /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/pako8128/pong already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b4312d15a2e90efd5df0637cd224e01b285da910d85c846ded25ddad24455a63
[INFO] running `"docker" "start" "-a" "b4312d15a2e90efd5df0637cd224e01b285da910d85c846ded25ddad24455a63"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling sdl2-sys v0.32.5
[INFO] [stderr]    Compiling rand_os v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[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] [stderr] warning: unused variable: `timer`
[INFO] [stderr]   --> src/main.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |     let mut timer = sdl_context.timer().unwrap();
[INFO] [stderr]    |         ^^^^^^^^^ help: if this is intentional, prefix it 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/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/pong-ecc07388ed385251.pong.4e68j4x0-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/pong-ecc07388ed385251.pong.4e68j4x0-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/pong-ecc07388ed385251.pong.4e68j4x0-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/pong-ecc07388ed385251.pong.4e68j4x0-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/pong-ecc07388ed385251.pong.4e68j4x0-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/pong-ecc07388ed385251.pong.4e68j4x0-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/pong-ecc07388ed385251.pong.4e68j4x0-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/pong-ecc07388ed385251.pong.4e68j4x0-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/pong-ecc07388ed385251.pong.4e68j4x0-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/pong-ecc07388ed385251.pong.4e68j4x0-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/pong-ecc07388ed385251.pong.4e68j4x0-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/pong-ecc07388ed385251.pong.4e68j4x0-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/pong-ecc07388ed385251.pong.4e68j4x0-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/pong-ecc07388ed385251.pong.4e68j4x0-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/pong-ecc07388ed385251.pong.4e68j4x0-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/pong-ecc07388ed385251.pong.4e68j4x0-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/pong-ecc07388ed385251" "/opt/rustwide/target/debug/deps/pong-ecc07388ed385251.svjuy76q3x818gn.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libsdl2-48ebfd906b8b8eeb.rlib" "/opt/rustwide/target/debug/deps/librand-c934be10db820a56.rlib" "/opt/rustwide/target/debug/deps/librand_xorshift-f09d120b1e8302ce.rlib" "/opt/rustwide/target/debug/deps/librand_pcg-f6b9b3804de622ab.rlib" "/opt/rustwide/target/debug/deps/librand_hc-1ed774b1b0cc13a9.rlib" "/opt/rustwide/target/debug/deps/librand_chacha-bcdb8ecac43414c8.rlib" "/opt/rustwide/target/debug/deps/librand_isaac-9e0c665f67464740.rlib" "/opt/rustwide/target/debug/deps/librand_core-e1f807daa840ecfb.rlib" "/opt/rustwide/target/debug/deps/librand_os-6b473925f001248e.rlib" "/opt/rustwide/target/debug/deps/librand_jitter-b85322a536758076.rlib" "/opt/rustwide/target/debug/deps/librand_core-3765e1a61bc3f75e.rlib" "/opt/rustwide/target/debug/deps/libsdl2_sys-20f13aac818f5f11.rlib" "/opt/rustwide/target/debug/deps/libbitflags-3b8dce027c498e76.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-fc6ae06af858b32a.rlib" "/opt/rustwide/target/debug/deps/liblibc-5ae35bcad8527664.rlib" "/opt/rustwide/target/debug/deps/libnum-5f5872861c0c13ba.rlib" "/opt/rustwide/target/debug/deps/libnum_iter-732240c27cd4cc7a.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-5606e6a79944cd55.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-3d725454dc35e92a.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-205127404fcba336.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-a657948fb7763780.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-4af901391177f653.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-9bdd51edf637d1e0.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-df9a9630b2ea2e1e.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-fddbfe63d5cc9339.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-dc1fcc6e43806791.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-e2f4bff19e00107e.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-a152d13c1d7ed405.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-d92b841792fc008d.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-a64c249515c023f5.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-57654524b3e40c00.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-72180f1527a726a2.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-990cc8f4a91a3ab4.rlib" "-Wl,-Bdynamic" "-lSDL2" "-lSDL2_image" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-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; 3 warnings emitted
[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" "b4312d15a2e90efd5df0637cd224e01b285da910d85c846ded25ddad24455a63"`
[INFO] running `"docker" "rm" "-f" "b4312d15a2e90efd5df0637cd224e01b285da910d85c846ded25ddad24455a63"`
[INFO] [stdout] b4312d15a2e90efd5df0637cd224e01b285da910d85c846ded25ddad24455a63