[INFO] updating cached repository happenslol/n3-sdl
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/happenslol/n3-sdl
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/happenslol/n3-sdl" "work/ex/beta-1.38-1/sources/1.37.0/gh/happenslol/n3-sdl"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/happenslol/n3-sdl'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/happenslol/n3-sdl" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/happenslol/n3-sdl"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/happenslol/n3-sdl'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d6b6f44be1b5624d132919fd2ce7ceb3ea9a53e2
[INFO] sha for GitHub repo happenslol/n3-sdl: d6b6f44be1b5624d132919fd2ce7ceb3ea9a53e2
[INFO] validating manifest of happenslol/n3-sdl on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of happenslol/n3-sdl on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing happenslol/n3-sdl
[INFO] finished frobbing happenslol/n3-sdl
[INFO] frobbed toml for happenslol/n3-sdl written to work/ex/beta-1.38-1/sources/1.37.0/gh/happenslol/n3-sdl/Cargo.toml
[INFO] started frobbing happenslol/n3-sdl
[INFO] finished frobbing happenslol/n3-sdl
[INFO] frobbed toml for happenslol/n3-sdl written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/happenslol/n3-sdl/Cargo.toml
[INFO] crate happenslol/n3-sdl already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing happenslol/n3-sdl against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/happenslol/n3-sdl:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 649e6728293d0c0765c0264b8fe9ca4bd4e48d4c3edb6d77b30e507f44ab54fc
[INFO] running `"docker" "start" "-a" "649e6728293d0c0765c0264b8fe9ca4bd4e48d4c3edb6d77b30e507f44ab54fc"`
[INFO] [stderr]    Compiling sdl2-sys v0.27.2
[INFO] [stderr]    Compiling base64 v0.4.1
[INFO] [stderr]    Compiling cgmath v0.13.1
[INFO] [stderr]    Compiling serde_json v0.9.9
[INFO] [stderr]    Compiling num v0.1.37
[INFO] [stderr]    Compiling serde_derive v0.9.13
[INFO] [stderr]    Compiling sdl2 v0.29.0
[INFO] [stderr]    Compiling n3-sdl v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/scene/game_scene.rs:13:16
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub fn new(mut ctx: &mut Context) -> GameScene {
[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/scene/game_scene.rs:72:20
[INFO] [stderr]    |
[INFO] [stderr] 72 |     fn draw(&self, mut ctx: &mut Context, a: f32) {
[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/entity/player.rs:96:24
[INFO] [stderr]    |
[INFO] [stderr] 96 |     pub fn draw(&self, mut ctx: &mut Context, a: f32) {
[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/tilemap/mod.rs:38:16
[INFO] [stderr]    |
[INFO] [stderr] 38 |     pub fn new(mut ctx: &mut Context) -> Tilemap {
[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/tilemap/mod.rs:85:24
[INFO] [stderr]    |
[INFO] [stderr] 85 |     pub fn draw(&self, mut ctx: &mut Context) {
[INFO] [stderr]    |                        ----^^^
[INFO] [stderr]    |                        |
[INFO] [stderr]    |                        help: remove this `mut`
[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/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/n3_sdl-d88cc29750345108.n3_sdl.90i4cl78-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/n3_sdl-d88cc29750345108.n3_sdl.90i4cl78-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/n3_sdl-d88cc29750345108.n3_sdl.90i4cl78-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/n3_sdl-d88cc29750345108.n3_sdl.90i4cl78-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/n3_sdl-d88cc29750345108.n3_sdl.90i4cl78-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/n3_sdl-d88cc29750345108.n3_sdl.90i4cl78-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/n3_sdl-d88cc29750345108.n3_sdl.90i4cl78-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/n3_sdl-d88cc29750345108.n3_sdl.90i4cl78-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/n3_sdl-d88cc29750345108.n3_sdl.90i4cl78-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/n3_sdl-d88cc29750345108.n3_sdl.90i4cl78-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/n3_sdl-d88cc29750345108.n3_sdl.90i4cl78-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/n3_sdl-d88cc29750345108.n3_sdl.90i4cl78-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/n3_sdl-d88cc29750345108.n3_sdl.90i4cl78-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/n3_sdl-d88cc29750345108.n3_sdl.90i4cl78-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/n3_sdl-d88cc29750345108.n3_sdl.90i4cl78-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/n3_sdl-d88cc29750345108.n3_sdl.90i4cl78-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/n3_sdl-d88cc29750345108" "/opt/crater/target/debug/deps/n3_sdl-d88cc29750345108.uvl8okiin4aonp4.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libbase64-24648a4db4ada81d.rlib" "/opt/crater/target/debug/deps/libbyteorder-46cb11aad7c12c3b.rlib" "/opt/crater/target/debug/deps/libserde_json-093a2f7497731ab8.rlib" "/opt/crater/target/debug/deps/libdtoa-d8f27ef76f57e039.rlib" "/opt/crater/target/debug/deps/libitoa-0174b4399c499c29.rlib" "/opt/crater/target/debug/deps/libserde-968c082c932858c5.rlib" "/opt/crater/target/debug/deps/libtime-a14b830b58f269c2.rlib" "/opt/crater/target/debug/deps/libcgmath-9a4343bd7080131d.rlib" "/opt/crater/target/debug/deps/libapprox-979a4cb7f16d22ee.rlib" "/opt/crater/target/debug/deps/libsdl2-cb5201fb4d23950e.rlib" "/opt/crater/target/debug/deps/librand-a0fe57d880017bb3.rlib" "/opt/crater/target/debug/deps/libsdl2_sys-148c3a33962415ef.rlib" "/opt/crater/target/debug/deps/libbitflags-b03ee8d07369378c.rlib" "/opt/crater/target/debug/deps/liblazy_static-ede88ad68019cb5e.rlib" "/opt/crater/target/debug/deps/liblibc-fa6a13efc42a2c55.rlib" "/opt/crater/target/debug/deps/libnum-06417c22761cd433.rlib" "/opt/crater/target/debug/deps/libnum_iter-3653dd18f1235316.rlib" "/opt/crater/target/debug/deps/libnum_integer-649ad51fd5b12af5.rlib" "/opt/crater/target/debug/deps/libnum_traits-90aaff30512310e9.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-1d6d86bd078a28e9.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-e9721e46a424e2a9.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-c07193698f282147.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-6da45690f3863086.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-690797036dd27680.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-d3896ccbfd8eda2b.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-7cccc3739e3d7623.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-5e9ba178a513cd29.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-5ca9f83bf63d1f4b.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-bba1c7ef9e950882.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-e23c9de62012deb5.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-9b59dffdcd513d5d.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-17392340ab2e4a97.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-ac21508a81e3f7f3.rlib" "-Wl,-Bdynamic" "-lSDL2_image" "-lSDL2" "-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 `n3-sdl`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "649e6728293d0c0765c0264b8fe9ca4bd4e48d4c3edb6d77b30e507f44ab54fc"`
[INFO] running `"docker" "rm" "-f" "649e6728293d0c0765c0264b8fe9ca4bd4e48d4c3edb6d77b30e507f44ab54fc"`
[INFO] [stdout] 649e6728293d0c0765c0264b8fe9ca4bd4e48d4c3edb6d77b30e507f44ab54fc