[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 1.45.2 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-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nsmryan/MachineLearningArtProject on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "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-3/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" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1.45.2" "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] ec96d7cad3caeaa436c47df9fea2328869753052bf7060616096efa0b717c3bc
[INFO] running `Command { std: "docker" "start" "-a" "ec96d7cad3caeaa436c47df9fea2328869753052bf7060616096efa0b717c3bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec96d7cad3caeaa436c47df9fea2328869753052bf7060616096efa0b717c3bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec96d7cad3caeaa436c47df9fea2328869753052bf7060616096efa0b717c3bc", kill_on_drop: false }`
[INFO] [stdout] ec96d7cad3caeaa436c47df9fea2328869753052bf7060616096efa0b717c3bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c9dbc3446a42a38655c95d49f647e43cb94638c5f7fae4b752b6023ee954e1e
[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" "7c9dbc3446a42a38655c95d49f647e43cb94638c5f7fae4b752b6023ee954e1e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.54
[INFO] [stderr]    Compiling num-integer v0.1.39
[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 bitflags v1.0.5
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling custom_derive v0.1.7
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling stb_truetype v0.2.6
[INFO] [stderr]    Compiling ordered-float v1.0.2
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling conv v0.3.3
[INFO] [stderr]    Compiling rusttype v0.7.6
[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 fann v0.1.7
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling png v0.14.1
[INFO] [stderr]    Compiling quote v0.6.12
[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] [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" "-L" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/nn-9ef819140ce40e11.nn.aefovpa1-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/nn-9ef819140ce40e11.nn.aefovpa1-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/nn-9ef819140ce40e11.nn.aefovpa1-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/nn-9ef819140ce40e11.nn.aefovpa1-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/nn-9ef819140ce40e11.nn.aefovpa1-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/nn-9ef819140ce40e11.nn.aefovpa1-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/nn-9ef819140ce40e11.nn.aefovpa1-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/nn-9ef819140ce40e11.nn.aefovpa1-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/nn-9ef819140ce40e11.nn.aefovpa1-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/nn-9ef819140ce40e11.nn.aefovpa1-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/nn-9ef819140ce40e11.nn.aefovpa1-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/nn-9ef819140ce40e11.nn.aefovpa1-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/nn-9ef819140ce40e11.nn.aefovpa1-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/nn-9ef819140ce40e11.nn.aefovpa1-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/nn-9ef819140ce40e11.nn.aefovpa1-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/nn-9ef819140ce40e11.nn.aefovpa1-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/nn-9ef819140ce40e11" "/opt/rustwide/target/debug/deps/nn-9ef819140ce40e11.2ell0gt9ao5jwwim.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libimageproc-eecce5b5f0da7fcd.rlib" "/opt/rustwide/target/debug/deps/librand-3be8d6faf2b9ceb7.rlib" "/opt/rustwide/target/debug/deps/librand_xorshift-c72452d47acb92b2.rlib" "/opt/rustwide/target/debug/deps/librand_pcg-48e634cceefa4757.rlib" "/opt/rustwide/target/debug/deps/librand_hc-453bb474651ee49c.rlib" "/opt/rustwide/target/debug/deps/librand_chacha-95b4b26f310072d4.rlib" "/opt/rustwide/target/debug/deps/librand_isaac-bf610786152d2d79.rlib" "/opt/rustwide/target/debug/deps/librand_core-d557c9f882b1f1f4.rlib" "/opt/rustwide/target/debug/deps/librand_os-92cc08c55994e143.rlib" "/opt/rustwide/target/debug/deps/librand_jitter-92ab69505d6921c7.rlib" "/opt/rustwide/target/debug/deps/librand_core-78bbe2a80acb1f13.rlib" "/opt/rustwide/target/debug/deps/libnum-852cebcc6e22249b.rlib" "/opt/rustwide/target/debug/deps/libnum_complex-bfe44d66a4eb37a8.rlib" "/opt/rustwide/target/debug/deps/librusttype-f815d668c8c5405a.rlib" "/opt/rustwide/target/debug/deps/libstb_truetype-d4c2cc90dc8f3623.rlib" "/opt/rustwide/target/debug/deps/libapprox-c8b1f9ea1da3061e.rlib" "/opt/rustwide/target/debug/deps/libordered_float-0a9f2f668d9e55c5.rlib" "/opt/rustwide/target/debug/deps/libconv-0cc6e197366512f1.rlib" "/opt/rustwide/target/debug/deps/libcustom_derive-f3543761d03fab8d.rlib" "/opt/rustwide/target/debug/deps/libitertools-c00fc16aaa2ac1c6.rlib" "/opt/rustwide/target/debug/deps/libimage-7c8059d4047875de.rlib" "/opt/rustwide/target/debug/deps/libtiff-0c408719a83c71d4.rlib" "/opt/rustwide/target/debug/deps/libpng-11ce34d28c5cf983.rlib" "/opt/rustwide/target/debug/deps/libdeflate-5a4f60b27f21304c.rlib" "/opt/rustwide/target/debug/deps/libinflate-91223eee9c3659db.rlib" "/opt/rustwide/target/debug/deps/libadler32-222af25d3e0825ac.rlib" "/opt/rustwide/target/debug/deps/libbitflags-0615738a1bf23b42.rlib" "/opt/rustwide/target/debug/deps/libjpeg_decoder-7ad2a0083fb4d2ad.rlib" "/opt/rustwide/target/debug/deps/librayon-16013ca246d9cddd.rlib" "/opt/rustwide/target/debug/deps/libeither-3f383d4a560dc79b.rlib" "/opt/rustwide/target/debug/deps/librayon_core-5f046ddb269e4770.rlib" "/opt/rustwide/target/debug/deps/libnum_cpus-3668fc767a1a2812.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_deque-ebc3b8a64a6db78d.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_epoch-defd989d30925908.rlib" "/opt/rustwide/target/debug/deps/libscopeguard-89809229cb7bd47b.rlib" "/opt/rustwide/target/debug/deps/libmemoffset-3af188f211913eba.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-1111c7f22c80ffdf.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_utils-d0b0c4511a7f677c.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-3e792e61e2a22469.rlib" "/opt/rustwide/target/debug/deps/libarrayvec-0e5504522fae0b64.rlib" "/opt/rustwide/target/debug/deps/libnodrop-20bd03037d6a02fd.rlib" "/opt/rustwide/target/debug/deps/libscoped_threadpool-18405819c03faa62.rlib" "/opt/rustwide/target/debug/deps/libgif-2fafa1dd566ad2fc.rlib" "/opt/rustwide/target/debug/deps/libcolor_quant-75405708483eb8a3.rlib" "/opt/rustwide/target/debug/deps/libnum_rational-420fbe9f610ee804.rlib" "/opt/rustwide/target/debug/deps/libnum_bigint-803df4130582cf72.rlib" "/opt/rustwide/target/debug/deps/libnum_iter-3689c7d73cd511eb.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-e1a2b4a840596691.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-0e331abae535600b.rlib" "/opt/rustwide/target/debug/deps/liblzw-258df11cbdcd0b61.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-63cd11c812d281e2.rlib" "/opt/rustwide/target/debug/deps/libfann-a817663241e7910a.rlib" "/opt/rustwide/target/debug/deps/libfann_sys-a64df2ba8d6608a7.rlib" "/opt/rustwide/target/debug/deps/liblibc-61a89a9d7e0f88ba.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-8bb11f807a7b6b4c.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-ca8087507780d964.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-259c92b387c1c166.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-16e0a2fbbb8e14b3.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-8a1651b8e23d2aaf.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-23bdd98b0574083e.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-855a92055ec33e2e.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-24c70dd44fbacdfb.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-b326273841bae587.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-ac3c1f0e16507051.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-a5729542b65954aa.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-09bd1119ab1cad7d.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-9a787681bfbeaf61.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-5a0398ee67f74664.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" "7c9dbc3446a42a38655c95d49f647e43cb94638c5f7fae4b752b6023ee954e1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c9dbc3446a42a38655c95d49f647e43cb94638c5f7fae4b752b6023ee954e1e", kill_on_drop: false }`
[INFO] [stdout] 7c9dbc3446a42a38655c95d49f647e43cb94638c5f7fae4b752b6023ee954e1e