[INFO] updating cached repository https://github.com/werner291/evolution_simulator
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/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] 9b8da20885eb1ae1e8b8a162cc5252a8307b85ae
[INFO] testing werner291/evolution_simulator against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwerner291%2Fevolution_simulator" "work/builds/worker-1/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/werner291/evolution_simulator on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/werner291/evolution_simulator
[INFO] finished tweaking git repo https://github.com/werner291/evolution_simulator
[INFO] tweaked toml for git repo https://github.com/werner291/evolution_simulator written to work/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/werner291/evolution_simulator already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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-2019-09-28" "build" "--frozen"`
[INFO] [stdout] fb7e5847205609e6514ce30fef8e0b2f2e184534c0ea9d5dfc51ff72329064ba
[INFO] running `"docker" "start" "-a" "fb7e5847205609e6514ce30fef8e0b2f2e184534c0ea9d5dfc51ff72329064ba"`
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling libc v0.2.48
[INFO] [stderr]    Compiling rand_core v0.4.0
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling rawpointer v0.1.0
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]    Compiling libm v0.1.2
[INFO] [stderr]    Compiling approx v0.1.1
[INFO] [stderr]    Compiling ndarray v0.12.1
[INFO] [stderr]    Compiling c_vec v1.3.2
[INFO] [stderr]    Compiling clamp v0.1.0
[INFO] [stderr]    Compiling pdqselect v0.1.0
[INFO] [stderr]    Compiling sdl2-sys v0.32.5
[INFO] [stderr]    Compiling generational-arena v0.1.0
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling smallvec v0.6.8
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.4
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling rand_os v0.1.1
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling generic-array v0.11.1
[INFO] [stderr]    Compiling approx v0.3.1
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling alga v0.7.2
[INFO] [stderr]    Compiling sdl2 v0.32.1
[INFO] [stderr]    Compiling num v0.2.0
[INFO] [stderr]    Compiling nalgebra v0.16.13
[INFO] [stderr]    Compiling spade v1.6.0
[INFO] [stderr]    Compiling evo_exp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `crate::sim_framework::Body`
[INFO] [stderr]  --> src/food.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use crate::sim_framework::Body;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:371:25
[INFO] [stderr]     |
[INFO] [stderr] 371 | pub fn run(update: &mut FnMut(&mut Canvas<Window>) -> ()) {
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut Canvas<Window>) -> ()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rng`
[INFO] [stderr]   --> src/main.rs:88:21
[INFO] [stderr]    |
[INFO] [stderr] 88 |             let mut rng = rand::thread_rng();
[INFO] [stderr]    |                     ^^^ help: consider prefixing with an underscore: `_rng`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `angle`
[INFO] [stderr]    --> src/main.rs:101:13
[INFO] [stderr]     |
[INFO] [stderr] 101 |         let angle: f32 = rng.gen_range(0.0, 2.0 * std::f32::consts::PI);
[INFO] [stderr]     |             ^^^^^ help: consider prefixing with an underscore: `_angle`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `mutation_coeff`
[INFO] [stderr]    --> src/genome.rs:121:13
[INFO] [stderr]     |
[INFO] [stderr] 121 |         let mutation_coeff : f32 = BASE_MUT.powf(self.mutation_rate);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_mutation_coeff`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `dv`
[INFO] [stderr]    --> src/sim_framework.rs:129:17
[INFO] [stderr]     |
[INFO] [stderr] 129 |             let dv = node.vel * node.anchor;
[INFO] [stderr]     |                 ^^ help: consider prefixing with an underscore: `_dv`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:88:17
[INFO] [stderr]    |
[INFO] [stderr] 88 |             let mut rng = rand::thread_rng();
[INFO] [stderr]    |                 ----^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:290:9
[INFO] [stderr]     |
[INFO] [stderr] 290 |     for mut spawner in spawners.iter_mut() {
[INFO] [stderr]     |         ----^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/food.rs:27:13
[INFO] [stderr]    |
[INFO] [stderr] 27 |         for mut org in organisms.iter_mut() {
[INFO] [stderr]    |             ----^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `output_size`
[INFO] [stderr]   --> src/ffnn.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     pub fn output_size(&self) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `output_size`
[INFO] [stderr]   --> src/ffnn.rs:78:5
[INFO] [stderr]    |
[INFO] [stderr] 78 |     pub fn output_size(&self) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `insert_input`
[INFO] [stderr]   --> src/ffnn.rs:90:5
[INFO] [stderr]    |
[INFO] [stderr] 90 |     pub fn insert_input(&mut self, index: usize) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `insert_output`
[INFO] [stderr]   --> src/ffnn.rs:94:5
[INFO] [stderr]    |
[INFO] [stderr] 94 |     pub fn insert_output(&mut self, index: usize) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `insert_node`
[INFO] [stderr]   --> src/ffnn.rs:98:5
[INFO] [stderr]    |
[INFO] [stderr] 98 |     pub fn insert_node(&mut self, layer: usize, index: usize) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_connected`
[INFO] [stderr]   --> src/genome.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 |     fn is_connected(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add_node`
[INFO] [stderr]   --> src/genome.rs:98:5
[INFO] [stderr]    |
[INFO] [stderr] 98 |     fn add_node(&mut self, at: Vector2<f32>) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add_connection`
[INFO] [stderr]    --> src/genome.rs:109:5
[INFO] [stderr]     |
[INFO] [stderr] 109 |     fn add_connection(&mut self, from: usize, to: usize) -> usize {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `ANCHOR_STRENGTH`
[INFO] [stderr]  --> src/sim_framework.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub const ANCHOR_STRENGTH : f32 = 1.0;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `FOOD_AMOUNT`
[INFO] [stderr]   --> src/main.rs:32:1
[INFO] [stderr]    |
[INFO] [stderr] 32 | const FOOD_AMOUNT: usize = 100000 / (SCALE * SCALE) as usize;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/evo_exp-abcc481c13e3a0c7.evo_exp.c43sehkx-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/evo_exp-abcc481c13e3a0c7.evo_exp.c43sehkx-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/evo_exp-abcc481c13e3a0c7.evo_exp.c43sehkx-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/evo_exp-abcc481c13e3a0c7.evo_exp.c43sehkx-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/evo_exp-abcc481c13e3a0c7.evo_exp.c43sehkx-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/evo_exp-abcc481c13e3a0c7.evo_exp.c43sehkx-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/evo_exp-abcc481c13e3a0c7.evo_exp.c43sehkx-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/evo_exp-abcc481c13e3a0c7.evo_exp.c43sehkx-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/evo_exp-abcc481c13e3a0c7.evo_exp.c43sehkx-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/evo_exp-abcc481c13e3a0c7.evo_exp.c43sehkx-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/evo_exp-abcc481c13e3a0c7.evo_exp.c43sehkx-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/evo_exp-abcc481c13e3a0c7.evo_exp.c43sehkx-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/evo_exp-abcc481c13e3a0c7.evo_exp.c43sehkx-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/evo_exp-abcc481c13e3a0c7.evo_exp.c43sehkx-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/evo_exp-abcc481c13e3a0c7.evo_exp.c43sehkx-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/evo_exp-abcc481c13e3a0c7.evo_exp.c43sehkx-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/evo_exp-abcc481c13e3a0c7" "/opt/rustwide/target/debug/deps/evo_exp-abcc481c13e3a0c7.523uzit56exbmdio.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libsdl2-a04e10dbc25ac73c.rlib" "/opt/rustwide/target/debug/deps/librand-14544209ff27d8b1.rlib" "/opt/rustwide/target/debug/deps/librand_xorshift-dc576728ddb00d89.rlib" "/opt/rustwide/target/debug/deps/librand_pcg-4cfa7772a5a2ecaf.rlib" "/opt/rustwide/target/debug/deps/librand_hc-e367969a0853d984.rlib" "/opt/rustwide/target/debug/deps/librand_chacha-0c54c835ae0e7ba7.rlib" "/opt/rustwide/target/debug/deps/librand_isaac-0766c18dad2069d4.rlib" "/opt/rustwide/target/debug/deps/librand_os-1deb6a91bb649a40.rlib" "/opt/rustwide/target/debug/deps/libc_vec-134301894fe06cbf.rlib" "/opt/rustwide/target/debug/deps/libsdl2_sys-5f8442ec96b29cc8.rlib" "/opt/rustwide/target/debug/deps/libbitflags-3a40c6903761d7ac.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-dc50c07bdb2aa9f0.rlib" "/opt/rustwide/target/debug/deps/libnum-37b62393ea43ae90.rlib" "/opt/rustwide/target/debug/deps/libspade-4cb4e0f76e402fc0.rlib" "/opt/rustwide/target/debug/deps/libpdqselect-c9603fdf64035990.rlib" "/opt/rustwide/target/debug/deps/libsmallvec-140444b28d5fe8c9.rlib" "/opt/rustwide/target/debug/deps/libunreachable-070a839ce708f634.rlib" "/opt/rustwide/target/debug/deps/libvoid-24cc52f4662945be.rlib" "/opt/rustwide/target/debug/deps/libclamp-c5d16c518de1dba9.rlib" "/opt/rustwide/target/debug/deps/libcgmath-09a4b3243e843040.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-4172da1d58bd9493.rlib" "/opt/rustwide/target/debug/deps/libapprox-18d240db38cea552.rlib" "/opt/rustwide/target/debug/deps/libnum-204332ad8c42899c.rlib" "/opt/rustwide/target/debug/deps/libnum_rational-7c3eb1ed7a5a4de5.rlib" "/opt/rustwide/target/debug/deps/libnum_iter-983498e0503285b4.rlib" "/opt/rustwide/target/debug/deps/libnum_bigint-7358d688ebf094ff.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-13966710122d1116.rlib" "/opt/rustwide/target/debug/deps/libgenerational_arena-6d8f6ceb4ed244de.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-7a542410dd593189.rlib" "/opt/rustwide/target/debug/deps/libnalgebra-148f5bc2686e2809.rlib" "/opt/rustwide/target/debug/deps/libalga-617fb2f39736e1c9.rlib" "/opt/rustwide/target/debug/deps/librand-c7269bab9cda4101.rlib" "/opt/rustwide/target/debug/deps/librand_core-d2560b1bfac1b502.rlib" "/opt/rustwide/target/debug/deps/librand_core-f46a59bb123ae6e7.rlib" "/opt/rustwide/target/debug/deps/libgeneric_array-d9e41e5b3ea6c0fd.rlib" "/opt/rustwide/target/debug/deps/libtypenum-8c26abf25778ede8.rlib" "/opt/rustwide/target/debug/deps/libapprox-bfaaf27a8328085a.rlib" "/opt/rustwide/target/debug/deps/libndarray-f90da2d5781891fa.rlib" "/opt/rustwide/target/debug/deps/libnum_complex-fb753e26eb6d43dc.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-96f5ce4bbc698d03.rlib" "/opt/rustwide/target/debug/deps/libitertools-492f3ae773563af3.rlib" "/opt/rustwide/target/debug/deps/libeither-218deddf6289c71d.rlib" "/opt/rustwide/target/debug/deps/libmatrixmultiply-52e0ac25033cd383.rlib" "/opt/rustwide/target/debug/deps/librawpointer-9eec285a84ee4032.rlib" "/opt/rustwide/target/debug/deps/librand-257f27001b445fa7.rlib" "/opt/rustwide/target/debug/deps/liblibc-a4d3cc06143ac2bb.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-db812c66f862af4c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-e7871a21575d5ff7.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-2f2c581bc0d759e6.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-35731cabc05dc8a0.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-36477394541292db.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-8b706b170c1272d8.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-801dbb3043ccf581.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-a32aa66ce6f72b21.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-d00ea3bfb2bb6c00.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-d2c6ebe88c3e113c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-df74f62f6bb60621.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-2170473575daeedb.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-1a08089bbddc4f51.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-f8f562e5472ad5c3.rlib" "-Wl,-Bdynamic" "-lSDL2" "-lSDL2_gfx" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil"
[INFO] [stderr]   = note: /usr/bin/ld: cannot find -lSDL2_gfx
[INFO] [stderr]           collect2: error: ld returned 1 exit status
[INFO] [stderr]           
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `evo_exp`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "fb7e5847205609e6514ce30fef8e0b2f2e184534c0ea9d5dfc51ff72329064ba"`
[INFO] running `"docker" "rm" "-f" "fb7e5847205609e6514ce30fef8e0b2f2e184534c0ea9d5dfc51ff72329064ba"`
[INFO] [stdout] fb7e5847205609e6514ce30fef8e0b2f2e184534c0ea9d5dfc51ff72329064ba