[INFO] cloning repository https://github.com/nsmryan/MachineLearningArtProject
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nsmryan/MachineLearningArtProject" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnsmryan%2FMachineLearningArtProject", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnsmryan%2FMachineLearningArtProject'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f450c741a52bc78e7481e1bb3b039a671a1fe231
[INFO] testing nsmryan/MachineLearningArtProject against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnsmryan%2FMachineLearningArtProject" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nsmryan/MachineLearningArtProject on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-5/source/Cargo.toml
[INFO] crate git repo https://github.com/nsmryan/MachineLearningArtProject already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fann v0.1.7
[INFO] [stderr]   Downloaded fann-sys v0.1.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] 19d94f61abf87726c9b02962c311ce1e601116e291b801e77244e3ee217d342e
[INFO] running `Command { std: "docker" "start" "-a" "19d94f61abf87726c9b02962c311ce1e601116e291b801e77244e3ee217d342e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19d94f61abf87726c9b02962c311ce1e601116e291b801e77244e3ee217d342e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19d94f61abf87726c9b02962c311ce1e601116e291b801e77244e3ee217d342e", kill_on_drop: false }`
[INFO] [stdout] 19d94f61abf87726c9b02962c311ce1e601116e291b801e77244e3ee217d342e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c37bad8a682605af5aa5357d6124760ceb4e75a17796738aa3b5f7cc80022f87
[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" "c37bad8a682605af5aa5357d6124760ceb4e75a17796738aa3b5f7cc80022f87", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.29
[INFO] [stderr]    Compiling syn v0.15.33
[INFO] [stderr]    Compiling bitflags v1.0.5
[INFO] [stderr]    Compiling custom_derive v0.1.7
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling approx v0.3.2
[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 crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling num v0.2.0
[INFO] [stderr]    Compiling conv v0.3.3
[INFO] [stderr]    Compiling fann v0.1.7
[INFO] [stderr]    Compiling rusttype v0.7.6
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling png v0.14.1
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling quote v0.6.12
[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] [stdout] warning: unused variable: `val`
[INFO] [stdout]   --> src/main.rs:75:34
[INFO] [stdout]    |
[INFO] [stdout] 75 |                 .filter(|(index, val)| index % 3 == 0)
[INFO] [stdout]    |                                  ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/main.rs:76:24
[INFO] [stdout]    |
[INFO] [stdout] 76 |                 .map(|(index, val)| (*val as f32) / 256.0)
[INFO] [stdout]    |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit code: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-Wl,--eh-frame-hdr" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/nn-a2501dfcadbd4c30.nn.63hm98vr-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/nn-a2501dfcadbd4c30.nn.63hm98vr-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/nn-a2501dfcadbd4c30.nn.63hm98vr-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/nn-a2501dfcadbd4c30.nn.63hm98vr-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/nn-a2501dfcadbd4c30.nn.63hm98vr-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/nn-a2501dfcadbd4c30.nn.63hm98vr-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/nn-a2501dfcadbd4c30.nn.63hm98vr-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/nn-a2501dfcadbd4c30.nn.63hm98vr-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/nn-a2501dfcadbd4c30.nn.63hm98vr-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/nn-a2501dfcadbd4c30.nn.63hm98vr-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/nn-a2501dfcadbd4c30.nn.63hm98vr-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/nn-a2501dfcadbd4c30.nn.63hm98vr-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/nn-a2501dfcadbd4c30.nn.63hm98vr-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/nn-a2501dfcadbd4c30.nn.63hm98vr-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/nn-a2501dfcadbd4c30.nn.63hm98vr-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/nn-a2501dfcadbd4c30.nn.63hm98vr-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/nn-a2501dfcadbd4c30" "/opt/rustwide/target/debug/deps/nn-a2501dfcadbd4c30.1bu6ork9ibuqnf1n.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libimageproc-9c34a6dfe9583a1e.rlib" "/opt/rustwide/target/debug/deps/librand-57e497e256af8aac.rlib" "/opt/rustwide/target/debug/deps/librand_xorshift-d166eaf1f31e436d.rlib" "/opt/rustwide/target/debug/deps/librand_pcg-2a47a3ab28ac2b9a.rlib" "/opt/rustwide/target/debug/deps/librand_hc-f2e4f141a70472cc.rlib" "/opt/rustwide/target/debug/deps/librand_chacha-88ac67478fbd4d3a.rlib" "/opt/rustwide/target/debug/deps/librand_isaac-1bde7cb07bd26099.rlib" "/opt/rustwide/target/debug/deps/librand_core-e70617dc38f2822c.rlib" "/opt/rustwide/target/debug/deps/librand_os-ba17ba6332bfb4a0.rlib" "/opt/rustwide/target/debug/deps/librand_jitter-6b8e0f085492fe34.rlib" "/opt/rustwide/target/debug/deps/librand_core-803546ca06a2d189.rlib" "/opt/rustwide/target/debug/deps/libnum-eca833f06dbb1622.rlib" "/opt/rustwide/target/debug/deps/libnum_complex-58047ce3fcc45932.rlib" "/opt/rustwide/target/debug/deps/librusttype-081858e30d9946cb.rlib" "/opt/rustwide/target/debug/deps/libstb_truetype-7ef2a1ffde96a95d.rlib" "/opt/rustwide/target/debug/deps/libapprox-6c0508fd74abe52d.rlib" "/opt/rustwide/target/debug/deps/libordered_float-7b8e8d494a929dc4.rlib" "/opt/rustwide/target/debug/deps/libconv-af05d6a5f3473681.rlib" "/opt/rustwide/target/debug/deps/libcustom_derive-dede5a5780ff7466.rlib" "/opt/rustwide/target/debug/deps/libitertools-dd470db479fd5c7c.rlib" "/opt/rustwide/target/debug/deps/libimage-8f48eee33c21fcc1.rlib" "/opt/rustwide/target/debug/deps/libtiff-847b90fa996b0e1c.rlib" "/opt/rustwide/target/debug/deps/libpng-f4780a17945292cf.rlib" "/opt/rustwide/target/debug/deps/libdeflate-f1e6ff08f3714d6a.rlib" "/opt/rustwide/target/debug/deps/libinflate-9baab2ad435823ef.rlib" "/opt/rustwide/target/debug/deps/libadler32-bb56c2200bd200af.rlib" "/opt/rustwide/target/debug/deps/libbitflags-8359805a46a226f4.rlib" "/opt/rustwide/target/debug/deps/libjpeg_decoder-3ac16766290b06b0.rlib" "/opt/rustwide/target/debug/deps/librayon-7505772ccb8992bf.rlib" "/opt/rustwide/target/debug/deps/libeither-1eda9cceef9a755a.rlib" "/opt/rustwide/target/debug/deps/librayon_core-0cbbe6dd81ebf6a2.rlib" "/opt/rustwide/target/debug/deps/libnum_cpus-ff0112653dbd56e9.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_deque-cb3e792878bd5518.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_epoch-d293037d4a2c11a2.rlib" "/opt/rustwide/target/debug/deps/libscopeguard-35b70419fc3f560e.rlib" "/opt/rustwide/target/debug/deps/libmemoffset-0771bbc32ad4bd2f.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-aa458f9196325be2.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_utils-07d9cb8ee1548856.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-8729ece634ba6101.rlib" "/opt/rustwide/target/debug/deps/libarrayvec-7314b6f35c031452.rlib" "/opt/rustwide/target/debug/deps/libnodrop-2eb5aff8322c7e4b.rlib" "/opt/rustwide/target/debug/deps/libscoped_threadpool-f14a59a4bfce02bc.rlib" "/opt/rustwide/target/debug/deps/libgif-fdbcf35e0e7f99de.rlib" "/opt/rustwide/target/debug/deps/libcolor_quant-9b165e24478bc78e.rlib" "/opt/rustwide/target/debug/deps/libnum_rational-b28d7efeba778bee.rlib" "/opt/rustwide/target/debug/deps/libnum_bigint-a6cb0aaaed0b1fa0.rlib" "/opt/rustwide/target/debug/deps/libnum_iter-f73696ececd92cd0.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-3bdec5b779a88f57.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-cdbb2c93d82ff0aa.rlib" "/opt/rustwide/target/debug/deps/liblzw-2bf98fa21fe9f912.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-0a365d08e7e185d9.rlib" "/opt/rustwide/target/debug/deps/libfann-b20285a1ebe1182c.rlib" "/opt/rustwide/target/debug/deps/libfann_sys-68e4c20a688968fc.rlib" "/opt/rustwide/target/debug/deps/liblibc-cf255865e3f66936.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-d66e0ceb8eaec9b8.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-9717ec0599b569a0.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-04369de9ba916647.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-997d622c2e4dbe5c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-0359c4288a5ef89f.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-1b25ede22d698ab3.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-37940b486a68e488.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-06b77c27e794c7c6.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-4d07e02a8df36da1.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-fb29e0695c0a0f79.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-e16188b4cf97e8bb.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-5eb391c8dabdee77.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-b0689b528b222bee.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-ed072ac495e62e7a.rlib" "-Wl,-Bdynamic" "-lfann" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-lutil"
[INFO] [stdout]   = note: /usr/bin/ld: cannot find -lfann
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nn`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "c37bad8a682605af5aa5357d6124760ceb4e75a17796738aa3b5f7cc80022f87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c37bad8a682605af5aa5357d6124760ceb4e75a17796738aa3b5f7cc80022f87", kill_on_drop: false }`
[INFO] [stdout] c37bad8a682605af5aa5357d6124760ceb4e75a17796738aa3b5f7cc80022f87