[INFO] updating cached 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" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3e2d9c962387380a863c33680186757d457b6bff
[INFO] testing geekingfrog/rust-graphics 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%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-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/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-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "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] 3507f07907b0ebebfe6445f00f91f7bb6dde9c98b343f3f183e094b55ae45382
[INFO] running `Command { std: "docker" "start" "-a" "3507f07907b0ebebfe6445f00f91f7bb6dde9c98b343f3f183e094b55ae45382", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3507f07907b0ebebfe6445f00f91f7bb6dde9c98b343f3f183e094b55ae45382", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3507f07907b0ebebfe6445f00f91f7bb6dde9c98b343f3f183e094b55ae45382", kill_on_drop: false }`
[INFO] [stdout] 3507f07907b0ebebfe6445f00f91f7bb6dde9c98b343f3f183e094b55ae45382
[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" "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] 287e00b500d009bb17f72ac536b6246bda20793190f26d159d2bc839f976ac6f
[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" "287e00b500d009bb17f72ac536b6246bda20793190f26d159d2bc839f976ac6f", kill_on_drop: false }`
[INFO] [stderr]    Compiling sdl2 v0.34.0
[INFO] [stderr]    Compiling sdl2-sys v0.34.0
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling rayon v1.3.0
[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:71:9
[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 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/graphics-3c42d7e1433d9662.graphics.e7lz5b7d-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/graphics-3c42d7e1433d9662.graphics.e7lz5b7d-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/graphics-3c42d7e1433d9662.graphics.e7lz5b7d-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/graphics-3c42d7e1433d9662.graphics.e7lz5b7d-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/graphics-3c42d7e1433d9662.graphics.e7lz5b7d-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/graphics-3c42d7e1433d9662.graphics.e7lz5b7d-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/graphics-3c42d7e1433d9662.graphics.e7lz5b7d-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/graphics-3c42d7e1433d9662.graphics.e7lz5b7d-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/graphics-3c42d7e1433d9662.graphics.e7lz5b7d-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/graphics-3c42d7e1433d9662.graphics.e7lz5b7d-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/graphics-3c42d7e1433d9662.graphics.e7lz5b7d-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/graphics-3c42d7e1433d9662.graphics.e7lz5b7d-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/graphics-3c42d7e1433d9662.graphics.e7lz5b7d-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/graphics-3c42d7e1433d9662.graphics.e7lz5b7d-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/graphics-3c42d7e1433d9662.graphics.e7lz5b7d-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/graphics-3c42d7e1433d9662.graphics.e7lz5b7d-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/graphics-3c42d7e1433d9662" "/opt/rustwide/target/debug/deps/graphics-3c42d7e1433d9662.59v8ac0r9svf1rx4.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/libnum_complex-76b04bb1cea4c469.rlib" "/opt/rustwide/target/debug/deps/libsdl2-af91d63b98db5023.rlib" "/opt/rustwide/target/debug/deps/libsdl2_sys-eb1cb5491a907bba.rlib" "/opt/rustwide/target/debug/deps/librand-0bd72f157227fc6c.rlib" "/opt/rustwide/target/debug/deps/librand_pcg-44c074bc3759342b.rlib" "/opt/rustwide/target/debug/deps/librand_chacha-60699b3ed5a83f43.rlib" "/opt/rustwide/target/debug/deps/libppv_lite86-170c4fd0b2d212af.rlib" "/opt/rustwide/target/debug/deps/librand_core-a96eb5e3a8cfc949.rlib" "/opt/rustwide/target/debug/deps/libgetrandom-41ab61d9f39cf478.rlib" "/opt/rustwide/target/debug/deps/libimage-ce7bac1874392df9.rlib" "/opt/rustwide/target/debug/deps/libbytemuck-7241dd295f950dfe.rlib" "/opt/rustwide/target/debug/deps/libpng-0c8e636c2b1967a6.rlib" "/opt/rustwide/target/debug/deps/libinflate-b643dcee80b1d6e3.rlib" "/opt/rustwide/target/debug/deps/libcrc32fast-83660c2de20ee2f3.rlib" "/opt/rustwide/target/debug/deps/libdeflate-80c0abfdd9ff47fa.rlib" "/opt/rustwide/target/debug/deps/libbitflags-ef3b499484556621.rlib" "/opt/rustwide/target/debug/deps/libnum_iter-2c1556b3367a5fa8.rlib" "/opt/rustwide/target/debug/deps/libjpeg_decoder-4de46775d6f72726.rlib" "/opt/rustwide/target/debug/deps/librayon-b4349141d86522ae.rlib" "/opt/rustwide/target/debug/deps/librayon_core-7387c321173e6f66.rlib" "/opt/rustwide/target/debug/deps/libnum_cpus-da30ef1e96f408bc.rlib" "/opt/rustwide/target/debug/deps/liblibc-11d35527eaac07af.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_queue-614a6b76156464f0.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_deque-51b768f853fe7a79.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_epoch-875607f74e92060f.rlib" "/opt/rustwide/target/debug/deps/libscopeguard-f8ee11e5515cbd29.rlib" "/opt/rustwide/target/debug/deps/libmemoffset-edac3be309753359.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_utils-60e677f79172690c.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-03dc560a77c5aa3e.rlib" "/opt/rustwide/target/debug/deps/libmaybe_uninit-5af35797bdba708c.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-727e218cbe4629d5.rlib" "/opt/rustwide/target/debug/deps/libeither-e56ae8568f7848ad.rlib" "/opt/rustwide/target/debug/deps/libscoped_threadpool-f14a59a4bfce02bc.rlib" "/opt/rustwide/target/debug/deps/libnum_rational-d07b1a5e278df5eb.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-2f183d787be5ca04.rlib" "/opt/rustwide/target/debug/deps/libgif-f655073f52a6ec8e.rlib" "/opt/rustwide/target/debug/deps/libcolor_quant-9b165e24478bc78e.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-efd25432eb2733aa.rlib" "/opt/rustwide/target/debug/deps/libtiff-05730e2d0fbfd2da.rlib" "/opt/rustwide/target/debug/deps/libminiz_oxide-7c585cee9d5d2542.rlib" "/opt/rustwide/target/debug/deps/libadler32-4329487774eff090.rlib" "/opt/rustwide/target/debug/deps/liblzw-2bf98fa21fe9f912.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-f7f925fcf7e16859.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" "-lSDL2" "-lSDL2_image" "-lutil" "-ldl" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-lutil"
[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`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "287e00b500d009bb17f72ac536b6246bda20793190f26d159d2bc839f976ac6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "287e00b500d009bb17f72ac536b6246bda20793190f26d159d2bc839f976ac6f", kill_on_drop: false }`
[INFO] [stdout] 287e00b500d009bb17f72ac536b6246bda20793190f26d159d2bc839f976ac6f