[INFO] updating cached repository https://github.com/nsmryan/MachineLearningArtProject
[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] f450c741a52bc78e7481e1bb3b039a671a1fe231
[INFO] testing nsmryan/MachineLearningArtProject against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnsmryan%2FMachineLearningArtProject" "/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/nsmryan/MachineLearningArtProject on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/nsmryan/MachineLearningArtProject
[INFO] finished tweaking git repo https://github.com/nsmryan/MachineLearningArtProject
[INFO] tweaked toml for git repo https://github.com/nsmryan/MachineLearningArtProject written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/nsmryan/MachineLearningArtProject already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "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" "+beta-2020-06-03" "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] 44f23301db4a548387ad7243d6119ab0a2d04c5e55a19ff040be71f1e72fc633
[INFO] running `"docker" "start" "-a" "44f23301db4a548387ad7243d6119ab0a2d04c5e55a19ff040be71f1e72fc633"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.54
[INFO] [stderr]    Compiling proc-macro2 v0.4.29
[INFO] [stderr]    Compiling syn v0.15.33
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling either v1.5.2
[INFO] [stderr]    Compiling bitflags v1.0.5
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling custom_derive v0.1.7
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling inflate v0.4.5
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling ordered-float v1.0.2
[INFO] [stderr]    Compiling deflate v0.7.19
[INFO] [stderr]    Compiling stb_truetype v0.2.6
[INFO] [stderr]    Compiling conv v0.3.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling rusttype v0.7.6
[INFO] [stderr]    Compiling png v0.14.1
[INFO] [stderr]    Compiling num_cpus v1.10.0
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling fann-sys v0.1.7
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling fann v0.1.7
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling num v0.2.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling tiff v0.2.2
[INFO] [stderr]    Compiling image v0.21.1
[INFO] [stderr]    Compiling imageproc v0.18.0
[INFO] [stderr]    Compiling nn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `val`
[INFO] [stderr]   --> src/main.rs:75:34
[INFO] [stderr]    |
[INFO] [stderr] 75 |                 .filter(|(index, val)| index % 3 == 0)
[INFO] [stderr]    |                                  ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `index`
[INFO] [stderr]   --> src/main.rs:76:24
[INFO] [stderr]    |
[INFO] [stderr] 76 |                 .map(|(index, val)| (*val as f32) / 256.0)
[INFO] [stderr]    |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[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/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/nn-9af30c442560dcf8.nn.27z1745h-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/nn-9af30c442560dcf8.nn.27z1745h-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/nn-9af30c442560dcf8.nn.27z1745h-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/nn-9af30c442560dcf8.nn.27z1745h-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/nn-9af30c442560dcf8.nn.27z1745h-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/nn-9af30c442560dcf8.nn.27z1745h-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/nn-9af30c442560dcf8.nn.27z1745h-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/nn-9af30c442560dcf8.nn.27z1745h-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/nn-9af30c442560dcf8.nn.27z1745h-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/nn-9af30c442560dcf8.nn.27z1745h-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/nn-9af30c442560dcf8.nn.27z1745h-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/nn-9af30c442560dcf8.nn.27z1745h-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/nn-9af30c442560dcf8.nn.27z1745h-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/nn-9af30c442560dcf8.nn.27z1745h-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/nn-9af30c442560dcf8.nn.27z1745h-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/nn-9af30c442560dcf8.nn.27z1745h-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/nn-9af30c442560dcf8" "/opt/rustwide/target/debug/deps/nn-9af30c442560dcf8.1j7iug0s3kle8yvp.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libimageproc-80c01284fc68957b.rlib" "/opt/rustwide/target/debug/deps/librand-f4b252e2072ecdb2.rlib" "/opt/rustwide/target/debug/deps/librand_xorshift-776f31bbdaf5a84d.rlib" "/opt/rustwide/target/debug/deps/librand_pcg-806d8e8869cbfabf.rlib" "/opt/rustwide/target/debug/deps/librand_hc-b99f65cc6f82ff49.rlib" "/opt/rustwide/target/debug/deps/librand_chacha-cc8b2247cefd99f9.rlib" "/opt/rustwide/target/debug/deps/librand_isaac-b128e05b98a05ec5.rlib" "/opt/rustwide/target/debug/deps/librand_core-d84f8367316f50c1.rlib" "/opt/rustwide/target/debug/deps/librand_os-53dde261294b2f93.rlib" "/opt/rustwide/target/debug/deps/librand_jitter-d7802f089a614503.rlib" "/opt/rustwide/target/debug/deps/librand_core-487bb7a181b5439c.rlib" "/opt/rustwide/target/debug/deps/libnum-e8799bd567cca360.rlib" "/opt/rustwide/target/debug/deps/libnum_complex-dc91844333567806.rlib" "/opt/rustwide/target/debug/deps/librusttype-ca00fc9cb2d05e2b.rlib" "/opt/rustwide/target/debug/deps/libstb_truetype-0f657629eee1ab69.rlib" "/opt/rustwide/target/debug/deps/libapprox-30338daf9f9582ed.rlib" "/opt/rustwide/target/debug/deps/libordered_float-55a303300006add1.rlib" "/opt/rustwide/target/debug/deps/libconv-68310396ac237b70.rlib" "/opt/rustwide/target/debug/deps/libcustom_derive-79e0f04d53c30ab1.rlib" "/opt/rustwide/target/debug/deps/libitertools-5af211e0b0c5e659.rlib" "/opt/rustwide/target/debug/deps/libimage-e41adcb5bb64e82a.rlib" "/opt/rustwide/target/debug/deps/libtiff-2a2fae59f3024c4f.rlib" "/opt/rustwide/target/debug/deps/libpng-e79ffd166a425d5d.rlib" "/opt/rustwide/target/debug/deps/libdeflate-fa9a6819007eb57d.rlib" "/opt/rustwide/target/debug/deps/libinflate-117157abc67eef79.rlib" "/opt/rustwide/target/debug/deps/libadler32-85e883990f84a63b.rlib" "/opt/rustwide/target/debug/deps/libbitflags-d1488df85b9cc53a.rlib" "/opt/rustwide/target/debug/deps/libjpeg_decoder-67b9ba6e8c19f459.rlib" "/opt/rustwide/target/debug/deps/librayon-f5ac967ac2c2e0b1.rlib" "/opt/rustwide/target/debug/deps/libeither-a6b9767435090d12.rlib" "/opt/rustwide/target/debug/deps/librayon_core-8ae7a3723d3301b2.rlib" "/opt/rustwide/target/debug/deps/libnum_cpus-d0dbf09677044402.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_deque-9ae0b5e966bded56.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_epoch-3af2038562baca32.rlib" "/opt/rustwide/target/debug/deps/libscopeguard-d89c2d7a36eb453e.rlib" "/opt/rustwide/target/debug/deps/libmemoffset-e22f68a3886f418c.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-6d2e4566366293b5.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_utils-3d11e866b675776d.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-9a1998ac0d2e73e8.rlib" "/opt/rustwide/target/debug/deps/libarrayvec-a5585bfe629095c3.rlib" "/opt/rustwide/target/debug/deps/libnodrop-d9dd8d1905dc4582.rlib" "/opt/rustwide/target/debug/deps/libscoped_threadpool-4b8ceb511173985b.rlib" "/opt/rustwide/target/debug/deps/libgif-1f3b55c9bd8b3d3a.rlib" "/opt/rustwide/target/debug/deps/libcolor_quant-b1efc12c392b9f46.rlib" "/opt/rustwide/target/debug/deps/libnum_rational-51242ddfd81d4605.rlib" "/opt/rustwide/target/debug/deps/libnum_bigint-2b659864ce6be2ae.rlib" "/opt/rustwide/target/debug/deps/libnum_iter-8bcab724647eec97.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-c906782528e26350.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-78d40517ea4b6655.rlib" "/opt/rustwide/target/debug/deps/liblzw-88a56833efa91571.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-c07239ae04ee8aff.rlib" "/opt/rustwide/target/debug/deps/libfann-d168168423efe7fd.rlib" "/opt/rustwide/target/debug/deps/libfann_sys-bf96c4ed82a494f3.rlib" "/opt/rustwide/target/debug/deps/liblibc-97eb843fe1dfb736.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-44f8eb3d0b2fad61.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-abc626f09920d361.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-546e83c8973f1a65.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-12768dfc68674934.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-e06867e4497f2ee8.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-cbc579f43f6df57b.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-7abd6d5a7ebf9a23.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-46423c7bc03bd327.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-fc3773ed7bc68f07.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-9cdc98176efd27e2.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-02d88502a763e06b.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-8cdc9d38dd6cd3ce.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-336f7d63e72901ef.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-57917b1be5233117.rlib" "-Wl,-Bdynamic" "-lfann" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-lutil"
[INFO] [stderr]   = note: /usr/bin/ld: cannot find -lfann
[INFO] [stderr]           collect2: error: ld returned 1 exit status
[INFO] [stderr]           
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error; 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `nn`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "44f23301db4a548387ad7243d6119ab0a2d04c5e55a19ff040be71f1e72fc633"`
[INFO] running `"docker" "rm" "-f" "44f23301db4a548387ad7243d6119ab0a2d04c5e55a19ff040be71f1e72fc633"`
[INFO] [stdout] 44f23301db4a548387ad7243d6119ab0a2d04c5e55a19ff040be71f1e72fc633