[INFO] cloning repository https://github.com/geekingfrog/rust-graphics
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/geekingfrog/rust-graphics" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgeekingfrog%2Frust-graphics", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgeekingfrog%2Frust-graphics'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3e2d9c962387380a863c33680186757d457b6bff
[INFO] testing geekingfrog/rust-graphics against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgeekingfrog%2Frust-graphics" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/geekingfrog/rust-graphics on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/geekingfrog/rust-graphics
[INFO] finished tweaking git repo https://github.com/geekingfrog/rust-graphics
[INFO] tweaked toml for git repo https://github.com/geekingfrog/rust-graphics written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/geekingfrog/rust-graphics already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded png v0.16.3
[INFO] [stderr]   Downloaded image v0.23.4
[INFO] [stderr]   Downloaded sdl2-sys v0.34.0
[INFO] [stderr]   Downloaded sdl2 v0.34.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", 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] f011b4088ca8f4e9d56d4a148551ccc82e622bc8a0f6e1464e64a3f66e4aec76
[INFO] running `Command { std: "docker" "start" "-a" "f011b4088ca8f4e9d56d4a148551ccc82e622bc8a0f6e1464e64a3f66e4aec76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f011b4088ca8f4e9d56d4a148551ccc82e622bc8a0f6e1464e64a3f66e4aec76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f011b4088ca8f4e9d56d4a148551ccc82e622bc8a0f6e1464e64a3f66e4aec76", kill_on_drop: false }`
[INFO] [stdout] f011b4088ca8f4e9d56d4a148551ccc82e622bc8a0f6e1464e64a3f66e4aec76
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 04c16edfd3e75be3916d8967941e5c6c11813842223137de7ecd3764a2978c89
[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" "04c16edfd3e75be3916d8967941e5c6c11813842223137de7ecd3764a2978c89", kill_on_drop: false }`
[INFO] [stderr]    Compiling sdl2 v0.34.0
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling sdl2-sys v0.34.0
[INFO] [stderr]    Compiling deflate v0.8.4
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]    Compiling png v0.16.3
[INFO] [stderr]    Compiling jpeg-decoder v0.1.19
[INFO] [stderr]    Compiling image v0.23.4
[INFO] [stderr]    Compiling graphics v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `rand::seq::SliceRandom`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use rand::seq::SliceRandom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SeedableRng`
[INFO] [stdout]  --> src/sdl.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rand::{Rng, SeedableRng};
[INFO] [stdout]   |                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sdl2::pixels::Color`
[INFO] [stdout]  --> src/sdl.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use sdl2::pixels::Color;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/main.rs:65:5
[INFO] [stdout]    |
[INFO] [stdout] 63 |     return;
[INFO] [stdout]    |     ------ any code following this expression is unreachable
[INFO] [stdout] 64 | 
[INFO] [stdout] 65 |     let imgx = 1 << 8;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rng`
[INFO] [stdout]   --> src/main.rs:71:13
[INFO] [stdout]    |
[INFO] [stdout] 71 |     let mut rng = rand::thread_rng();
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start`
[INFO] [stdout]    --> src/sdl.rs:323:9
[INFO] [stdout]     |
[INFO] [stdout] 323 |     let start = std::time::Instant::now();
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start`
[INFO] [stdout]    --> src/sdl.rs:375:9
[INFO] [stdout]     |
[INFO] [stdout] 375 |     let start = std::time::Instant::now();
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test`
[INFO] [stdout]  --> src/fractal.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn test() {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `zn`
[INFO] [stdout]   --> src/fractal.rs:62:4
[INFO] [stdout]    |
[INFO] [stdout] 62 | fn zn(limit: u16, c: Complex<f32>) -> u16 {
[INFO] [stdout]    |    ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-m64" "/opt/rustwide/target/debug/deps/graphics-706083fbbe5204f9.graphics.bd09ad1d-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/graphics-706083fbbe5204f9.graphics.bd09ad1d-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/graphics-706083fbbe5204f9.graphics.bd09ad1d-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/graphics-706083fbbe5204f9.graphics.bd09ad1d-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/graphics-706083fbbe5204f9.graphics.bd09ad1d-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/graphics-706083fbbe5204f9.graphics.bd09ad1d-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/graphics-706083fbbe5204f9.graphics.bd09ad1d-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/graphics-706083fbbe5204f9.graphics.bd09ad1d-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/graphics-706083fbbe5204f9.graphics.bd09ad1d-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/graphics-706083fbbe5204f9.graphics.bd09ad1d-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/graphics-706083fbbe5204f9.graphics.bd09ad1d-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/graphics-706083fbbe5204f9.graphics.bd09ad1d-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/graphics-706083fbbe5204f9.graphics.bd09ad1d-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/graphics-706083fbbe5204f9.graphics.bd09ad1d-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/graphics-706083fbbe5204f9.graphics.bd09ad1d-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/graphics-706083fbbe5204f9.graphics.bd09ad1d-cgu.9.rcgu.o" "/opt/rustwide/target/debug/deps/graphics-706083fbbe5204f9.1cvunjffuljdvwd3.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libnum_complex-c0f04256d10bff95.rlib" "/opt/rustwide/target/debug/deps/libsdl2-62f97e4c19b61118.rlib" "/opt/rustwide/target/debug/deps/libsdl2_sys-1d11cbf4ec9bf5a2.rlib" "/opt/rustwide/target/debug/deps/librand-5ae7b6daae6c961b.rlib" "/opt/rustwide/target/debug/deps/librand_pcg-e15c8c3d5a401f23.rlib" "/opt/rustwide/target/debug/deps/librand_chacha-6f1c72d9e897cbaa.rlib" "/opt/rustwide/target/debug/deps/libppv_lite86-a4980a5c0afc511f.rlib" "/opt/rustwide/target/debug/deps/librand_core-4a3033939aea50c5.rlib" "/opt/rustwide/target/debug/deps/libgetrandom-2dc6d0f1cca4d495.rlib" "/opt/rustwide/target/debug/deps/libimage-ec1a7ba37a7fa1c4.rlib" "/opt/rustwide/target/debug/deps/libbytemuck-98e56adbe0cb9073.rlib" "/opt/rustwide/target/debug/deps/libpng-805b880228588859.rlib" "/opt/rustwide/target/debug/deps/libinflate-b83262b48d96d276.rlib" "/opt/rustwide/target/debug/deps/libcrc32fast-71ba54e8d8997506.rlib" "/opt/rustwide/target/debug/deps/libdeflate-2360ef15b623fd49.rlib" "/opt/rustwide/target/debug/deps/libbitflags-6063cd2c96572b53.rlib" "/opt/rustwide/target/debug/deps/libnum_iter-d33d570de5093a08.rlib" "/opt/rustwide/target/debug/deps/libjpeg_decoder-0e15f462d2236ece.rlib" "/opt/rustwide/target/debug/deps/librayon-74c0867aec594192.rlib" "/opt/rustwide/target/debug/deps/librayon_core-a755a06fcfd72ce3.rlib" "/opt/rustwide/target/debug/deps/libnum_cpus-28763443a85b9641.rlib" "/opt/rustwide/target/debug/deps/liblibc-b03a7f37d3ffe34d.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_queue-c920589f6f7420b6.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_deque-7000893c39d0f5c4.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_epoch-8bb4e9638fb5a88c.rlib" "/opt/rustwide/target/debug/deps/libscopeguard-54ff2283d814f48f.rlib" "/opt/rustwide/target/debug/deps/libmemoffset-cd9c4d64b42437e5.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_utils-73c54b8c3255a082.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-86422d76b8bd90ed.rlib" "/opt/rustwide/target/debug/deps/libmaybe_uninit-8e53985a502a8210.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-b22544e46cbb7baa.rlib" "/opt/rustwide/target/debug/deps/libeither-e79a6fa11914372f.rlib" "/opt/rustwide/target/debug/deps/libscoped_threadpool-0a9edc57bfe4f517.rlib" "/opt/rustwide/target/debug/deps/libnum_rational-84ef87dd528cdad6.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-f19a7107df290053.rlib" "/opt/rustwide/target/debug/deps/libgif-d7226ff2c1aba3c4.rlib" "/opt/rustwide/target/debug/deps/libcolor_quant-9f62c68deb483c3f.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-142670fd7f9e697c.rlib" "/opt/rustwide/target/debug/deps/libtiff-288947dba19268c3.rlib" "/opt/rustwide/target/debug/deps/libminiz_oxide-087cd230b977c165.rlib" "/opt/rustwide/target/debug/deps/libadler32-f744d72025833ce8.rlib" "/opt/rustwide/target/debug/deps/liblzw-380b70f9536928dd.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-8e56524b8e4e4333.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-9a950938f3668a37.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-3b1b529ec96b3df7.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-ac333df4e6839cea.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-22a9ff9d2be6d427.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-5decbb94c7d60860.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libmemchr-29a9663b62a1cd00.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-6f0cee0dbab2d3f8.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-f5dc7d1d28c5c249.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-d19bda9ef557e755.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-82a955fd13db2399.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-44f3e7c1b7cc17ef.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-3ee6f750c5f3c2cf.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-ae5e1795dcba83e8.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-8d545d8592f2b534.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-c4c222675f83fd37.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-c1e9c53e75e301ed.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-beea7d9617fe25c5.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-8ef7dd43fc671f88.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-80a2b295510dd038.rlib" "-Wl,-Bdynamic" "-lSDL2" "-lSDL2_image" "-lutil" "-ldl" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/graphics-706083fbbe5204f9" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs"
[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; 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `graphics` due to 2 previous errors; 9 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "04c16edfd3e75be3916d8967941e5c6c11813842223137de7ecd3764a2978c89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04c16edfd3e75be3916d8967941e5c6c11813842223137de7ecd3764a2978c89", kill_on_drop: false }`
[INFO] [stdout] 04c16edfd3e75be3916d8967941e5c6c11813842223137de7ecd3764a2978c89