Dec 02 05:22:08.653 INFO testing Meyhem/rust-sdl2-gol against 1.30.1 for beta-1.31-5
Dec 02 05:22:08.653 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-0/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/beta-1.31-5/1.30.1:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +1.30.1 build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 02 05:22:09.159 INFO [stdout] 85b2d4a266d34ebf538867226a411920012e7af8b9e0ce6c245a64ac9eb4f36e
Dec 02 05:22:09.165 INFO running `"docker" "start" "-a" "85b2d4a266d34ebf538867226a411920012e7af8b9e0ce6c245a64ac9eb4f36e"`
Dec 02 05:22:11.623 INFO [stderr] usermod: no changes
Dec 02 05:22:11.734 INFO [stderr]    Compiling sdl2-sys v0.32.1
Dec 02 05:22:17.659 INFO [stderr]    Compiling sdl2 v0.32.0-beta.2
Dec 02 05:22:23.934 INFO [stderr]    Compiling rust-sdl2-gol v0.1.0 (/source)
Dec 02 05:22:25.163 INFO [stderr] warning: value assigned to `current_tick` is never read
Dec 02 05:22:25.163 INFO [stderr]   --> src/main.rs:82:13
Dec 02 05:22:25.163 INFO [stderr]    |
Dec 02 05:22:25.163 INFO [stderr] 82 |     let mut current_tick = Instant::now();
Dec 02 05:22:25.163 INFO [stderr]    |             ^^^^^^^^^^^^
Dec 02 05:22:25.163 INFO [stderr]    |
Dec 02 05:22:25.163 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 02 05:22:25.163 INFO [stderr] 
Dec 02 05:22:25.192 INFO [stderr] warning: method is never used: `dump_matrix`
Dec 02 05:22:25.192 INFO [stderr]   --> src/life_engine.rs:93:5
Dec 02 05:22:25.192 INFO [stderr]    |
Dec 02 05:22:25.192 INFO [stderr] 93 |     pub fn dump_matrix(&self) {
Dec 02 05:22:25.192 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 05:22:25.192 INFO [stderr]    |
Dec 02 05:22:25.192 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 02 05:22:25.192 INFO [stderr] 
Dec 02 05:22:25.907 INFO [stderr] error: linking with `cc` failed: exit code: 1
Dec 02 05:22:25.907 INFO [stderr]   |
Dec 02 05:22:25.907 INFO [stderr]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-L" "/rustup-home/toolchains/1.30.1-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/target/debug/deps/rust_sdl2_gol-d67952544d0f7fdd.rust_sdl2_gol.aqke19l5-cgu.0.rcgu.o" "/target/debug/deps/rust_sdl2_gol-d67952544d0f7fdd.rust_sdl2_gol.aqke19l5-cgu.1.rcgu.o" "/target/debug/deps/rust_sdl2_gol-d67952544d0f7fdd.rust_sdl2_gol.aqke19l5-cgu.10.rcgu.o" "/target/debug/deps/rust_sdl2_gol-d67952544d0f7fdd.rust_sdl2_gol.aqke19l5-cgu.11.rcgu.o" "/target/debug/deps/rust_sdl2_gol-d67952544d0f7fdd.rust_sdl2_gol.aqke19l5-cgu.12.rcgu.o" "/target/debug/deps/rust_sdl2_gol-d67952544d0f7fdd.rust_sdl2_gol.aqke19l5-cgu.13.rcgu.o" "/target/debug/deps/rust_sdl2_gol-d67952544d0f7fdd.rust_sdl2_gol.aqke19l5-cgu.14.rcgu.o" "/target/debug/deps/rust_sdl2_gol-d67952544d0f7fdd.rust_sdl2_gol.aqke19l5-cgu.15.rcgu.o" "/target/debug/deps/rust_sdl2_gol-d67952544d0f7fdd.rust_sdl2_gol.aqke19l5-cgu.2.rcgu.o" "/target/debug/deps/rust_sdl2_gol-d67952544d0f7fdd.rust_sdl2_gol.aqke19l5-cgu.3.rcgu.o" "/target/debug/deps/rust_sdl2_gol-d67952544d0f7fdd.rust_sdl2_gol.aqke19l5-cgu.4.rcgu.o" "/target/debug/deps/rust_sdl2_gol-d67952544d0f7fdd.rust_sdl2_gol.aqke19l5-cgu.5.rcgu.o" "/target/debug/deps/rust_sdl2_gol-d67952544d0f7fdd.rust_sdl2_gol.aqke19l5-cgu.6.rcgu.o" "/target/debug/deps/rust_sdl2_gol-d67952544d0f7fdd.rust_sdl2_gol.aqke19l5-cgu.7.rcgu.o" "/target/debug/deps/rust_sdl2_gol-d67952544d0f7fdd.rust_sdl2_gol.aqke19l5-cgu.8.rcgu.o" "/target/debug/deps/rust_sdl2_gol-d67952544d0f7fdd.rust_sdl2_gol.aqke19l5-cgu.9.rcgu.o" "-o" "/target/debug/deps/rust_sdl2_gol-d67952544d0f7fdd" "/target/debug/deps/rust_sdl2_gol-d67952544d0f7fdd.1vod8xhkfvanrhxm.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/target/debug/deps" "-L" "/rustup-home/toolchains/1.30.1-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/target/debug/deps/libsdl2-59e14262c60eb316.rlib" "/target/debug/deps/libsdl2_sys-1f6536af8e77ec1a.rlib" "/target/debug/deps/libbitflags-d1a58b399641d224.rlib" "/target/debug/deps/liblazy_static-f155e732bcbe563f.rlib" "/target/debug/deps/libnum-d9b7201a87b5ed90.rlib" "/target/debug/deps/libnum_iter-c80af21fd526a411.rlib" "/target/debug/deps/libnum_integer-1703d5fdba4b7938.rlib" "/target/debug/deps/libnum_traits-7bcc335dfe84b60c.rlib" "/target/debug/deps/librand-2330d6b211ce37c8.rlib" "/target/debug/deps/liblibc-e9f537c5e8431f63.rlib" "/target/debug/deps/librand_core-d62f42bd8bd86977.rlib" "/target/debug/deps/librand_core-e0e43335db43e230.rlib" "-Wl,--start-group" "/rustup-home/toolchains/1.30.1-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-a021829e87e39dcf.rlib" "/rustup-home/toolchains/1.30.1-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-ce8b5a3ae3174a34.rlib" "/rustup-home/toolchains/1.30.1-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc_jemalloc-e0a5861af782ac1b.rlib" "/rustup-home/toolchains/1.30.1-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-faa54f218b0e3149.rlib" "/rustup-home/toolchains/1.30.1-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc_system-60c1f13c2a2bc637.rlib" "/rustup-home/toolchains/1.30.1-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-62fff61d9c213778.rlib" "/rustup-home/toolchains/1.30.1-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-457f5d21aa274348.rlib" "/rustup-home/toolchains/1.30.1-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-4694ab1fde4317be.rlib" "-Wl,--end-group" "/rustup-home/toolchains/1.30.1-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-95d769f09dd6e7cb.rlib" "-Wl,-Bdynamic" "-lSDL2" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil"
Dec 02 05:22:25.907 INFO [stderr]   = note: /usr/bin/ld: cannot find -lSDL2
Dec 02 05:22:25.907 INFO [stderr]           collect2: error: ld returned 1 exit status
Dec 02 05:22:25.907 INFO [stderr]           
Dec 02 05:22:25.907 INFO [stderr] 
Dec 02 05:22:25.911 INFO [stderr] error: aborting due to previous error
Dec 02 05:22:25.911 INFO [stderr] 
Dec 02 05:22:25.920 INFO [stderr] error: Could not compile `rust-sdl2-gol`.
Dec 02 05:22:25.920 INFO [stderr] 
Dec 02 05:22:25.920 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 05:22:25.923 INFO [stderr] su: No module specific data is present
Dec 02 05:22:26.833 INFO running `"docker" "inspect" "85b2d4a266d34ebf538867226a411920012e7af8b9e0ce6c245a64ac9eb4f36e"`
Dec 02 05:22:27.133 INFO running `"docker" "rm" "-f" "85b2d4a266d34ebf538867226a411920012e7af8b9e0ce6c245a64ac9eb4f36e"`
Dec 02 05:22:27.442 INFO [stdout] 85b2d4a266d34ebf538867226a411920012e7af8b9e0ce6c245a64ac9eb4f36e