Dec 06 11:41:48.581 INFO testing Meyhem/rust-sdl2-gol against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 06 11:41:48.581 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-2/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 06 11:41:49.062 INFO [stdout] 58c1c9715d2a9ea2798006dca31a1d24a6541904a10391aeca686a21b159df2f
Dec 06 11:41:49.064 INFO running `"docker" "start" "-a" "58c1c9715d2a9ea2798006dca31a1d24a6541904a10391aeca686a21b159df2f"`
Dec 06 11:41:51.404 INFO [stderr] usermod: no changes
Dec 06 11:41:51.537 INFO [stderr]    Compiling sdl2-sys v0.32.1
Dec 06 11:41:56.727 INFO [stderr]    Compiling sdl2 v0.32.0-beta.2
Dec 06 11:42:02.765 INFO [stderr]    Compiling rust-sdl2-gol v0.1.0 (/source)
Dec 06 11:42:03.784 INFO [stderr] warning: value assigned to `current_tick` is never read
Dec 06 11:42:03.784 INFO [stderr]   --> src/main.rs:82:13
Dec 06 11:42:03.784 INFO [stderr]    |
Dec 06 11:42:03.784 INFO [stderr] 82 |     let mut current_tick = Instant::now();
Dec 06 11:42:03.784 INFO [stderr]    |             ^^^^^^^^^^^^
Dec 06 11:42:03.784 INFO [stderr]    |
Dec 06 11:42:03.784 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 06 11:42:03.784 INFO [stderr] 
Dec 06 11:42:03.824 INFO [stderr] warning: method is never used: `dump_matrix`
Dec 06 11:42:03.824 INFO [stderr]   --> src/life_engine.rs:93:5
Dec 06 11:42:03.824 INFO [stderr]    |
Dec 06 11:42:03.824 INFO [stderr] 93 |     pub fn dump_matrix(&self) {
Dec 06 11:42:03.824 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 11:42:03.824 INFO [stderr]    |
Dec 06 11:42:03.824 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 06 11:42:03.824 INFO [stderr] 
Dec 06 11:42:04.399 INFO [stderr] error: linking with `cc` failed: exit code: 1
Dec 06 11:42:04.399 INFO [stderr]   |
Dec 06 11:42:04.399 INFO [stderr]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-L" "/rustup-home/toolchains/6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/target/debug/deps/rust_sdl2_gol-f0d665c1f31818a7.rust_sdl2_gol.67eh8yu1-cgu.0.rcgu.o" "/target/debug/deps/rust_sdl2_gol-f0d665c1f31818a7.rust_sdl2_gol.67eh8yu1-cgu.1.rcgu.o" "/target/debug/deps/rust_sdl2_gol-f0d665c1f31818a7.rust_sdl2_gol.67eh8yu1-cgu.10.rcgu.o" "/target/debug/deps/rust_sdl2_gol-f0d665c1f31818a7.rust_sdl2_gol.67eh8yu1-cgu.11.rcgu.o" "/target/debug/deps/rust_sdl2_gol-f0d665c1f31818a7.rust_sdl2_gol.67eh8yu1-cgu.12.rcgu.o" "/target/debug/deps/rust_sdl2_gol-f0d665c1f31818a7.rust_sdl2_gol.67eh8yu1-cgu.13.rcgu.o" "/target/debug/deps/rust_sdl2_gol-f0d665c1f31818a7.rust_sdl2_gol.67eh8yu1-cgu.14.rcgu.o" "/target/debug/deps/rust_sdl2_gol-f0d665c1f31818a7.rust_sdl2_gol.67eh8yu1-cgu.15.rcgu.o" "/target/debug/deps/rust_sdl2_gol-f0d665c1f31818a7.rust_sdl2_gol.67eh8yu1-cgu.2.rcgu.o" "/target/debug/deps/rust_sdl2_gol-f0d665c1f31818a7.rust_sdl2_gol.67eh8yu1-cgu.3.rcgu.o" "/target/debug/deps/rust_sdl2_gol-f0d665c1f31818a7.rust_sdl2_gol.67eh8yu1-cgu.4.rcgu.o" "/target/debug/deps/rust_sdl2_gol-f0d665c1f31818a7.rust_sdl2_gol.67eh8yu1-cgu.5.rcgu.o" "/target/debug/deps/rust_sdl2_gol-f0d665c1f31818a7.rust_sdl2_gol.67eh8yu1-cgu.6.rcgu.o" "/target/debug/deps/rust_sdl2_gol-f0d665c1f31818a7.rust_sdl2_gol.67eh8yu1-cgu.7.rcgu.o" "/target/debug/deps/rust_sdl2_gol-f0d665c1f31818a7.rust_sdl2_gol.67eh8yu1-cgu.8.rcgu.o" "/target/debug/deps/rust_sdl2_gol-f0d665c1f31818a7.rust_sdl2_gol.67eh8yu1-cgu.9.rcgu.o" "-o" "/target/debug/deps/rust_sdl2_gol-f0d665c1f31818a7" "/target/debug/deps/rust_sdl2_gol-f0d665c1f31818a7.4p5yoq2ah3bcqa8r.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/target/debug/deps" "-L" "/rustup-home/toolchains/6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/target/debug/deps/libsdl2-1c4f479c2b8b20f3.rlib" "/target/debug/deps/libsdl2_sys-596184eeb9d97d32.rlib" "/target/debug/deps/libbitflags-a51de0fd958ef0b9.rlib" "/target/debug/deps/liblazy_static-31b1ea09d67d1701.rlib" "/target/debug/deps/libnum-b567163f405ae920.rlib" "/target/debug/deps/libnum_iter-dcb0c2944953ff5b.rlib" "/target/debug/deps/libnum_integer-186a6473da6267ec.rlib" "/target/debug/deps/libnum_traits-6515aaef751e5e2c.rlib" "/target/debug/deps/librand-04a055a7ff29772b.rlib" "/target/debug/deps/liblibc-0f152224966fad43.rlib" "/target/debug/deps/librand_core-a3f7ac457c4e7bcb.rlib" "/target/debug/deps/librand_core-7bfb5635f4e4c3c4.rlib" "-Wl,--start-group" "/rustup-home/toolchains/6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-1783ee7db416cd31.rlib" "/rustup-home/toolchains/6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-d52c5951c3cd2e1d.rlib" "/rustup-home/toolchains/6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-9a81b01b5e0e175b.rlib" "/rustup-home/toolchains/6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-f1a5585a81eb855e.rlib" "/rustup-home/toolchains/6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-0a7b7470c80cad43.rlib" "/rustup-home/toolchains/6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-d6e924fd18f7775d.rlib" "-Wl,--end-group" "/rustup-home/toolchains/6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-0ed18ce3338a020a.rlib" "-Wl,-Bdynamic" "-lSDL2" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil"
Dec 06 11:42:04.399 INFO [stderr]   = note: /usr/bin/ld: cannot find -lSDL2
Dec 06 11:42:04.399 INFO [stderr]           collect2: error: ld returned 1 exit status
Dec 06 11:42:04.399 INFO [stderr]           
Dec 06 11:42:04.399 INFO [stderr] 
Dec 06 11:42:04.399 INFO [stderr] error: aborting due to previous error
Dec 06 11:42:04.399 INFO [stderr] 
Dec 06 11:42:04.408 INFO [stderr] error: Could not compile `rust-sdl2-gol`.
Dec 06 11:42:04.408 INFO [stderr] 
Dec 06 11:42:04.408 INFO [stderr] To learn more, run the command again with --verbose.
Dec 06 11:42:04.412 INFO [stderr] su: No module specific data is present
Dec 06 11:42:05.526 INFO running `"docker" "inspect" "58c1c9715d2a9ea2798006dca31a1d24a6541904a10391aeca686a21b159df2f"`
Dec 06 11:42:05.908 INFO running `"docker" "rm" "-f" "58c1c9715d2a9ea2798006dca31a1d24a6541904a10391aeca686a21b159df2f"`
Dec 06 11:42:06.236 INFO [stdout] 58c1c9715d2a9ea2798006dca31a1d24a6541904a10391aeca686a21b159df2f