[INFO] updating cached repository https://github.com/svanellewee/rust-sdl-hackery
[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] cc8d754d7ab62c228e6acb29e758678a0714e091
[INFO] testing svanellewee/rust-sdl-hackery against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsvanellewee%2Frust-sdl-hackery" "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/svanellewee/rust-sdl-hackery 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/svanellewee/rust-sdl-hackery
[INFO] finished tweaking git repo https://github.com/svanellewee/rust-sdl-hackery
[INFO] tweaked toml for git repo https://github.com/svanellewee/rust-sdl-hackery written to work/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/svanellewee/rust-sdl-hackery 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] 874cc8eff7db058cb0466b8f910e7bb9c500d5072f3ae5acc01798aa806e8649
[INFO] running `"docker" "start" "-a" "874cc8eff7db058cb0466b8f910e7bb9c500d5072f3ae5acc01798aa806e8649"`
[INFO] [stderr]    Compiling sdl2-sys v0.31.0
[INFO] [stderr]    Compiling sdl2 v0.31.0
[INFO] [stderr]    Compiling sdl2-tut v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 |     let mut canvas = window
[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: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:88:9
[INFO] [stderr]    |
[INFO] [stderr] 88 |         canvas.fill_rect(dest_rect_0);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[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/sdl2_tut-02e499762a40e401.sdl2_tut.brez5qgk-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/sdl2_tut-02e499762a40e401.sdl2_tut.brez5qgk-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/sdl2_tut-02e499762a40e401.sdl2_tut.brez5qgk-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/sdl2_tut-02e499762a40e401.sdl2_tut.brez5qgk-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/sdl2_tut-02e499762a40e401.sdl2_tut.brez5qgk-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/sdl2_tut-02e499762a40e401.sdl2_tut.brez5qgk-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/sdl2_tut-02e499762a40e401.sdl2_tut.brez5qgk-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/sdl2_tut-02e499762a40e401.sdl2_tut.brez5qgk-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/sdl2_tut-02e499762a40e401.sdl2_tut.brez5qgk-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/sdl2_tut-02e499762a40e401.sdl2_tut.brez5qgk-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/sdl2_tut-02e499762a40e401.sdl2_tut.brez5qgk-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/sdl2_tut-02e499762a40e401.sdl2_tut.brez5qgk-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/sdl2_tut-02e499762a40e401.sdl2_tut.brez5qgk-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/sdl2_tut-02e499762a40e401.sdl2_tut.brez5qgk-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/sdl2_tut-02e499762a40e401.sdl2_tut.brez5qgk-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/sdl2_tut-02e499762a40e401.sdl2_tut.brez5qgk-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/sdl2_tut-02e499762a40e401" "/opt/rustwide/target/debug/deps/sdl2_tut-02e499762a40e401.3bhkwys52xxibwa0.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-e6ffe7cd1d3f4605.rlib" "/opt/rustwide/target/debug/deps/librand-cad78d0cfd95cf57.rlib" "/opt/rustwide/target/debug/deps/librand-fba173587e33e3bd.rlib" "/opt/rustwide/target/debug/deps/libsdl2_sys-55dee8327a4c5092.rlib" "/opt/rustwide/target/debug/deps/libbitflags-cfca1255836e7478.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-47d24117de3918be.rlib" "/opt/rustwide/target/debug/deps/liblibc-32dc11796f0bd52b.rlib" "/opt/rustwide/target/debug/deps/libnum-f84567e1159bb4b4.rlib" "/opt/rustwide/target/debug/deps/libnum_iter-fda3f7e39b5ebf9b.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-56d81ed7ca3c436b.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-da66471d18e34f47.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_image" "-lSDL2" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil"
[INFO] [stderr]   = note: /usr/bin/ld: cannot find -lSDL2_image
[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 `sdl2-tut`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "874cc8eff7db058cb0466b8f910e7bb9c500d5072f3ae5acc01798aa806e8649"`
[INFO] running `"docker" "rm" "-f" "874cc8eff7db058cb0466b8f910e7bb9c500d5072f3ae5acc01798aa806e8649"`
[INFO] [stdout] 874cc8eff7db058cb0466b8f910e7bb9c500d5072f3ae5acc01798aa806e8649