[INFO] updating cached repository nebkor/arcaders
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/nebkor/arcaders
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/nebkor/arcaders" "work/ex/beta-1.37-6/sources/1.36.0/gh/nebkor/arcaders"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/nebkor/arcaders'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/nebkor/arcaders" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/nebkor/arcaders"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/nebkor/arcaders'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 151a43d9a6681602cb003e2d2cbe068b24fa5aad
[INFO] sha for GitHub repo nebkor/arcaders: 151a43d9a6681602cb003e2d2cbe068b24fa5aad
[INFO] validating manifest of nebkor/arcaders on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of nebkor/arcaders on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing nebkor/arcaders
[INFO] finished frobbing nebkor/arcaders
[INFO] frobbed toml for nebkor/arcaders written to work/ex/beta-1.37-6/sources/1.36.0/gh/nebkor/arcaders/Cargo.toml
[INFO] started frobbing nebkor/arcaders
[INFO] finished frobbing nebkor/arcaders
[INFO] frobbed toml for nebkor/arcaders written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/nebkor/arcaders/Cargo.toml
[INFO] crate nebkor/arcaders already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing nebkor/arcaders against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/nebkor/arcaders:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] afcb9c3e2b78f6f9698de719ffe70790b305c980f6a480e9f36f2be4e521bbd3
[INFO] running `"docker" "start" "-a" "afcb9c3e2b78f6f9698de719ffe70790b305c980f6a480e9f36f2be4e521bbd3"`
[INFO] [stderr]    Compiling sdl2-sys v0.27.3
[INFO] [stderr]    Compiling sdl2 v0.29.1
[INFO] [stderr]    Compiling arcaders v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/phi/mod.rs:53:20
[INFO] [stderr]    |
[INFO] [stderr] 53 |     ChangeView(Box<View>),
[INFO] [stderr]    |                    ^^^^ help: use `dyn`: `dyn View`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/phi/mod.rs:60:34
[INFO] [stderr]    |
[INFO] [stderr] 60 |     where F: Fn(&mut Phi) -> Box<View>
[INFO] [stderr]    |                                  ^^^^ help: use `dyn`: `dyn View`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `overlaps`
[INFO] [stderr]   --> src/phi/data.rs:66:5
[INFO] [stderr]    |
[INFO] [stderr] 66 |     pub fn overlaps(&self, other: Rectangle) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ChangeView`
[INFO] [stderr]   --> src/phi/mod.rs:53:5
[INFO] [stderr]    |
[INFO] [stderr] 53 |     ChangeView(Box<View>),
[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/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/arcaders-d16756ca57e4ea35.arcaders.2977rhc4-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/arcaders-d16756ca57e4ea35.arcaders.2977rhc4-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/arcaders-d16756ca57e4ea35.arcaders.2977rhc4-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/arcaders-d16756ca57e4ea35.arcaders.2977rhc4-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/arcaders-d16756ca57e4ea35.arcaders.2977rhc4-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/arcaders-d16756ca57e4ea35.arcaders.2977rhc4-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/arcaders-d16756ca57e4ea35.arcaders.2977rhc4-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/arcaders-d16756ca57e4ea35.arcaders.2977rhc4-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/arcaders-d16756ca57e4ea35.arcaders.2977rhc4-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/arcaders-d16756ca57e4ea35.arcaders.2977rhc4-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/arcaders-d16756ca57e4ea35.arcaders.2977rhc4-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/arcaders-d16756ca57e4ea35.arcaders.2977rhc4-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/arcaders-d16756ca57e4ea35.arcaders.2977rhc4-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/arcaders-d16756ca57e4ea35.arcaders.2977rhc4-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/arcaders-d16756ca57e4ea35.arcaders.2977rhc4-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/arcaders-d16756ca57e4ea35.arcaders.2977rhc4-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/arcaders-d16756ca57e4ea35" "/opt/crater/target/debug/deps/arcaders-d16756ca57e4ea35.2xypapc5djstvfx3.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libsdl2-cd737d4b72091e87.rlib" "/opt/crater/target/debug/deps/librand-525c08fb732d7eeb.rlib" "/opt/crater/target/debug/deps/libsdl2_sys-0fefbff6aae6d3b8.rlib" "/opt/crater/target/debug/deps/libbitflags-e424d0a7dda42873.rlib" "/opt/crater/target/debug/deps/liblazy_static-44393081eb462790.rlib" "/opt/crater/target/debug/deps/liblibc-d616ba4181ecb05a.rlib" "/opt/crater/target/debug/deps/libnum-5a8f3ffa8de01515.rlib" "/opt/crater/target/debug/deps/libnum_iter-406cacce8dec6f86.rlib" "/opt/crater/target/debug/deps/libnum_integer-6c93d2d9a44964fc.rlib" "/opt/crater/target/debug/deps/libnum_traits-4937ae292242ae6b.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-a80a1e8e09cafef8.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-e0e6351da805c468.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-e04f54bafc95e331.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-67901d3322495bd5.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-bd390b1abaceaec1.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-312dd37fdc7bedfc.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-8ed0e51d58d644a3.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-8a423c320a6c707f.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-d6a95598e2238263.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-d231614b153016eb.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-3821619027f463e4.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-1cfd794d18771a44.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-dcf33cf10c2452ef.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-c258fea34bf64bce.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 `arcaders`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "afcb9c3e2b78f6f9698de719ffe70790b305c980f6a480e9f36f2be4e521bbd3"`
[INFO] running `"docker" "rm" "-f" "afcb9c3e2b78f6f9698de719ffe70790b305c980f6a480e9f36f2be4e521bbd3"`
[INFO] [stdout] afcb9c3e2b78f6f9698de719ffe70790b305c980f6a480e9f36f2be4e521bbd3