[INFO] updating cached repository sunjay/balls-game [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/sunjay/balls-game [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/sunjay/balls-game" "work/ex/beta-1.38-1/sources/1.37.0/gh/sunjay/balls-game"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/sunjay/balls-game'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/sunjay/balls-game" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sunjay/balls-game"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sunjay/balls-game'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 0aea7f9b012ae4c7741f135fde3b1d8b5fc659f6 [INFO] sha for GitHub repo sunjay/balls-game: 0aea7f9b012ae4c7741f135fde3b1d8b5fc659f6 [INFO] validating manifest of sunjay/balls-game 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 sunjay/balls-game 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 sunjay/balls-game [INFO] finished frobbing sunjay/balls-game [INFO] frobbed toml for sunjay/balls-game written to work/ex/beta-1.38-1/sources/1.37.0/gh/sunjay/balls-game/Cargo.toml [INFO] started frobbing sunjay/balls-game [INFO] finished frobbing sunjay/balls-game [INFO] frobbed toml for sunjay/balls-game written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sunjay/balls-game/Cargo.toml [INFO] crate sunjay/balls-game 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] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] testing sunjay/balls-game against 1.37.0 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/sunjay/balls-game:/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" "+1.37.0" "build" "--frozen"` [INFO] [stdout] 5fb32c1c1e1ac10f56c4beef4d00b921c2489890031d79e2ffb9c392df9ce1c2 [INFO] running `"docker" "start" "-a" "5fb32c1c1e1ac10f56c4beef4d00b921c2489890031d79e2ffb9c392df9ce1c2"` [INFO] [stderr] Compiling nonzero_signed v1.0.3 [INFO] [stderr] Compiling sdl2-sys v0.32.5 [INFO] [stderr] Compiling crossbeam-utils v0.6.5 [INFO] [stderr] Compiling crossbeam-epoch v0.5.2 [INFO] [stderr] Compiling vek v0.9.7 [INFO] [stderr] Compiling crossbeam-deque v0.2.0 [INFO] [stderr] Compiling parking_lot_core v0.2.14 [INFO] [stderr] Compiling parking_lot_core v0.3.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling shred-derive v0.5.1 [INFO] [stderr] Compiling specs-derive v0.4.0 [INFO] [stderr] Compiling rayon-core v1.4.1 [INFO] [stderr] Compiling parking_lot v0.5.5 [INFO] [stderr] Compiling crossbeam-deque v0.5.2 [INFO] [stderr] Compiling parking_lot v0.6.4 [INFO] [stderr] Compiling crossbeam-epoch v0.6.1 [INFO] [stderr] Compiling shrev v1.0.1 [INFO] [stderr] Compiling rayon v1.0.3 [INFO] [stderr] Compiling crossbeam-channel v0.2.6 [INFO] [stderr] Compiling crossbeam v0.4.1 [INFO] [stderr] Compiling sdl2 v0.32.1 [INFO] [stderr] Compiling hibitset v0.5.4 [INFO] [stderr] Compiling shred v0.7.1 [INFO] [stderr] warning[E0502]: cannot borrow `rows` as immutable because it is also borrowed as mutable [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/vek-0.9.7/src/mat.rs:1897:31 [INFO] [stderr] | [INFO] [stderr] 1897 | rows[3][0] += rows[0].dot(t); [INFO] [stderr] | --------------^^^^---------- [INFO] [stderr] | | | [INFO] [stderr] | | immutable borrow occurs here [INFO] [stderr] | mutable borrow occurs here [INFO] [stderr] | mutable borrow later used here [INFO] [stderr] ... [INFO] [stderr] 3952 | mat_declare_modules!{} [INFO] [stderr] | ---------------------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = warning: this error has been downgraded to a warning for backwards compatibility with previous releases [INFO] [stderr] = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future [INFO] [stderr] = note: for more information, try `rustc --explain E0729` [INFO] [stderr] [INFO] [stderr] warning[E0502]: cannot borrow `rows` as immutable because it is also borrowed as mutable [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/vek-0.9.7/src/mat.rs:1898:31 [INFO] [stderr] | [INFO] [stderr] 1898 | rows[3][1] += rows[1].dot(t); [INFO] [stderr] | --------------^^^^---------- [INFO] [stderr] | | | [INFO] [stderr] | | immutable borrow occurs here [INFO] [stderr] | mutable borrow occurs here [INFO] [stderr] | mutable borrow later used here [INFO] [stderr] ... [INFO] [stderr] 3952 | mat_declare_modules!{} [INFO] [stderr] | ---------------------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = warning: this error has been downgraded to a warning for backwards compatibility with previous releases [INFO] [stderr] = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future [INFO] [stderr] = note: for more information, try `rustc --explain E0729` [INFO] [stderr] [INFO] [stderr] warning[E0502]: cannot borrow `rows` as immutable because it is also borrowed as mutable [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/vek-0.9.7/src/mat.rs:1899:31 [INFO] [stderr] | [INFO] [stderr] 1899 | rows[3][2] += rows[2].dot(t); [INFO] [stderr] | --------------^^^^---------- [INFO] [stderr] | | | [INFO] [stderr] | | immutable borrow occurs here [INFO] [stderr] | mutable borrow occurs here [INFO] [stderr] | mutable borrow later used here [INFO] [stderr] ... [INFO] [stderr] 3952 | mat_declare_modules!{} [INFO] [stderr] | ---------------------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = warning: this error has been downgraded to a warning for backwards compatibility with previous releases [INFO] [stderr] = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future [INFO] [stderr] = note: for more information, try `rustc --explain E0729` [INFO] [stderr] [INFO] [stderr] warning[E0502]: cannot borrow `rows` as immutable because it is also borrowed as mutable [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/vek-0.9.7/src/mat.rs:1900:31 [INFO] [stderr] | [INFO] [stderr] 1900 | rows[3][3] += rows[3].dot(t); [INFO] [stderr] | --------------^^^^---------- [INFO] [stderr] | | | [INFO] [stderr] | | immutable borrow occurs here [INFO] [stderr] | mutable borrow occurs here [INFO] [stderr] | mutable borrow later used here [INFO] [stderr] ... [INFO] [stderr] 3952 | mat_declare_modules!{} [INFO] [stderr] | ---------------------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = warning: this error has been downgraded to a warning for backwards compatibility with previous releases [INFO] [stderr] = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future [INFO] [stderr] = note: for more information, try `rustc --explain E0729` [INFO] [stderr] [INFO] [stderr] warning[E0502]: cannot borrow `rows` as immutable because it is also borrowed as mutable [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/vek-0.9.7/src/mat.rs:1897:31 [INFO] [stderr] | [INFO] [stderr] 1897 | rows[3][0] += rows[0].dot(t); [INFO] [stderr] | --------------^^^^---------- [INFO] [stderr] | | | [INFO] [stderr] | | immutable borrow occurs here [INFO] [stderr] | mutable borrow occurs here [INFO] [stderr] | mutable borrow later used here [INFO] [stderr] ... [INFO] [stderr] 3952 | mat_declare_modules!{} [INFO] [stderr] | ---------------------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = warning: this error has been downgraded to a warning for backwards compatibility with previous releases [INFO] [stderr] = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future [INFO] [stderr] = note: for more information, try `rustc --explain E0729` [INFO] [stderr] [INFO] [stderr] warning[E0502]: cannot borrow `rows` as immutable because it is also borrowed as mutable [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/vek-0.9.7/src/mat.rs:1898:31 [INFO] [stderr] | [INFO] [stderr] 1898 | rows[3][1] += rows[1].dot(t); [INFO] [stderr] | --------------^^^^---------- [INFO] [stderr] | | | [INFO] [stderr] | | immutable borrow occurs here [INFO] [stderr] | mutable borrow occurs here [INFO] [stderr] | mutable borrow later used here [INFO] [stderr] ... [INFO] [stderr] 3952 | mat_declare_modules!{} [INFO] [stderr] | ---------------------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = warning: this error has been downgraded to a warning for backwards compatibility with previous releases [INFO] [stderr] = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future [INFO] [stderr] = note: for more information, try `rustc --explain E0729` [INFO] [stderr] [INFO] [stderr] warning[E0502]: cannot borrow `rows` as immutable because it is also borrowed as mutable [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/vek-0.9.7/src/mat.rs:1899:31 [INFO] [stderr] | [INFO] [stderr] 1899 | rows[3][2] += rows[2].dot(t); [INFO] [stderr] | --------------^^^^---------- [INFO] [stderr] | | | [INFO] [stderr] | | immutable borrow occurs here [INFO] [stderr] | mutable borrow occurs here [INFO] [stderr] | mutable borrow later used here [INFO] [stderr] ... [INFO] [stderr] 3952 | mat_declare_modules!{} [INFO] [stderr] | ---------------------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = warning: this error has been downgraded to a warning for backwards compatibility with previous releases [INFO] [stderr] = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future [INFO] [stderr] = note: for more information, try `rustc --explain E0729` [INFO] [stderr] [INFO] [stderr] warning[E0502]: cannot borrow `rows` as immutable because it is also borrowed as mutable [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/vek-0.9.7/src/mat.rs:1900:31 [INFO] [stderr] | [INFO] [stderr] 1900 | rows[3][3] += rows[3].dot(t); [INFO] [stderr] | --------------^^^^---------- [INFO] [stderr] | | | [INFO] [stderr] | | immutable borrow occurs here [INFO] [stderr] | mutable borrow occurs here [INFO] [stderr] | mutable borrow later used here [INFO] [stderr] ... [INFO] [stderr] 3952 | mat_declare_modules!{} [INFO] [stderr] | ---------------------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = warning: this error has been downgraded to a warning for backwards compatibility with previous releases [INFO] [stderr] = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future [INFO] [stderr] = note: for more information, try `rustc --explain E0729` [INFO] [stderr] [INFO] [stderr] Compiling specs v0.14.3 [INFO] [stderr] Compiling balls-game v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: variant is never constructed: `Stopped` [INFO] [stderr] --> src/components.rs:42:5 [INFO] [stderr] | [INFO] [stderr] 42 | Stopped, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [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/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/balls_game-d03b3dcb9486da9f.balls_game.bo33wzpv-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/balls_game-d03b3dcb9486da9f.balls_game.bo33wzpv-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/balls_game-d03b3dcb9486da9f.balls_game.bo33wzpv-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/balls_game-d03b3dcb9486da9f.balls_game.bo33wzpv-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/balls_game-d03b3dcb9486da9f.balls_game.bo33wzpv-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/balls_game-d03b3dcb9486da9f.balls_game.bo33wzpv-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/balls_game-d03b3dcb9486da9f.balls_game.bo33wzpv-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/balls_game-d03b3dcb9486da9f.balls_game.bo33wzpv-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/balls_game-d03b3dcb9486da9f.balls_game.bo33wzpv-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/balls_game-d03b3dcb9486da9f.balls_game.bo33wzpv-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/balls_game-d03b3dcb9486da9f.balls_game.bo33wzpv-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/balls_game-d03b3dcb9486da9f.balls_game.bo33wzpv-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/balls_game-d03b3dcb9486da9f.balls_game.bo33wzpv-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/balls_game-d03b3dcb9486da9f.balls_game.bo33wzpv-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/balls_game-d03b3dcb9486da9f.balls_game.bo33wzpv-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/balls_game-d03b3dcb9486da9f.balls_game.bo33wzpv-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/balls_game-d03b3dcb9486da9f" "/opt/crater/target/debug/deps/balls_game-d03b3dcb9486da9f.56lv12jxyqws70sm.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" 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"/opt/crater/target/debug/deps/libsdl2_sys-3bc771cfd3f8779b.rlib" "/opt/crater/target/debug/deps/libbitflags-031756039b29afaf.rlib" "/opt/crater/target/debug/deps/libnum-afb29d0cf2165d85.rlib" "/opt/crater/target/debug/deps/libnum_iter-8673f0b69b432df1.rlib" "/opt/crater/target/debug/deps/libnum_integer-4efe0f2dadd87400.rlib" "/opt/crater/target/debug/deps/libnum_traits-86600a016bc21e91.rlib" "/opt/crater/target/debug/deps/libspecs-ce9d2eef0fe59b88.rlib" "/opt/crater/target/debug/deps/libtuple_utils-a4ab8f7845499f49.rlib" "/opt/crater/target/debug/deps/libshrev-240ab5cea26bb6d9.rlib" "/opt/crater/target/debug/deps/libparking_lot-dbafdce2c5c7673e.rlib" "/opt/crater/target/debug/deps/libparking_lot_core-48206e1ffefda41c.rlib" "/opt/crater/target/debug/deps/librand-5a082b154515e2d8.rlib" "/opt/crater/target/debug/deps/libowning_ref-1b9c1c6083ad5d6b.rlib" "/opt/crater/target/debug/deps/libnonzero_signed-1f6ce2e7fd8f8eb7.rlib" "/opt/crater/target/debug/deps/liblog-07fd344e6693ff96.rlib" "/opt/crater/target/debug/deps/libhibitset-fee70c3d832ddd9b.rlib" "/opt/crater/target/debug/deps/libatom-213b9a013c33fcf4.rlib" "/opt/crater/target/debug/deps/libfnv-0b54693efaf27e2a.rlib" "/opt/crater/target/debug/deps/libcrossbeam-5efd4ab33fdc7e12.rlib" "/opt/crater/target/debug/deps/libcrossbeam_deque-71cf48d8a7b7f211.rlib" "/opt/crater/target/debug/deps/libcrossbeam_epoch-8a43fb528fa118d8.rlib" "/opt/crater/target/debug/deps/libcrossbeam_channel-d46a6f8a7f5fb856.rlib" "/opt/crater/target/debug/deps/libparking_lot-6e2f52e3fa7dcdcf.rlib" "/opt/crater/target/debug/deps/libparking_lot_core-ccecf2735dc08d3d.rlib" "/opt/crater/target/debug/deps/liblock_api-494f6f1561bbf82e.rlib" "/opt/crater/target/debug/deps/libowning_ref-effe362413e7ab7d.rlib" "/opt/crater/target/debug/deps/libstable_deref_trait-d0a4946e4c2703bb.rlib" "/opt/crater/target/debug/deps/librand-ebf679c4063807f3.rlib" "/opt/crater/target/debug/deps/librand_core-0cde6d5f3449ba22.rlib" "/opt/crater/target/debug/deps/librand_core-b87567e86349098d.rlib" "/opt/crater/target/debug/deps/libcrossbeam_utils-d524864a054eb21b.rlib" "/opt/crater/target/debug/deps/libcrossbeam_epoch-069fe838eb725932.rlib" "/opt/crater/target/debug/deps/libcrossbeam_utils-20e5b69ec99290d1.rlib" "/opt/crater/target/debug/deps/libshred-eec566bfc932c3e4.rlib" "/opt/crater/target/debug/deps/libsmallvec-24a19cb54d0ff037.rlib" "/opt/crater/target/debug/deps/librayon-19b731fd3e11b172.rlib" "/opt/crater/target/debug/deps/libeither-7a81fbaff723079e.rlib" "/opt/crater/target/debug/deps/librayon_core-c6aae842d7c1124e.rlib" "/opt/crater/target/debug/deps/libnum_cpus-c5e39f366fc71bb8.rlib" "/opt/crater/target/debug/deps/liblibc-f76954ad47ed8060.rlib" "/opt/crater/target/debug/deps/libcrossbeam_deque-671d247ab097845d.rlib" "/opt/crater/target/debug/deps/libcrossbeam_epoch-9fa396fc376a80d2.rlib" "/opt/crater/target/debug/deps/libscopeguard-316f896e0d3e978a.rlib" "/opt/crater/target/debug/deps/libmemoffset-6c4b37f364c61d2a.rlib" "/opt/crater/target/debug/deps/liblazy_static-eb33edc716f69401.rlib" "/opt/crater/target/debug/deps/libcrossbeam_utils-065f1975a96ef8fd.rlib" "/opt/crater/target/debug/deps/libcfg_if-cf9b915f175eb0bb.rlib" "/opt/crater/target/debug/deps/libmopa-f33c7becb1958f80.rlib" "/opt/crater/target/debug/deps/libfxhash-e4782c4d0efe00b7.rlib" "/opt/crater/target/debug/deps/libbyteorder-579b0a05de5ca01c.rlib" "/opt/crater/target/debug/deps/libarrayvec-02c5c0962ad052ff.rlib" "/opt/crater/target/debug/deps/libnodrop-844425db77ee9480.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-4a76ff35a356aedf.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-e11c7b3b3225afe2.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-13217ede3d276f16.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-621a9ee22da6caa1.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-546c844e8071bbeb.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-be9569e4d599746f.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-47d8845cef2a3bc5.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-017511bce73a530c.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-be7979c57a08057b.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-d6459c4f0817c67c.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-580035dd98451925.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-aee5c24fff305dea.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-8a55a4098920125a.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-9fc4b5be2ba5cc19.rlib" "-Wl,-Bdynamic" "-lSDL2" "-lSDL2_ttf" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil" [INFO] [stderr] = note: /usr/bin/ld: cannot find -lSDL2_ttf [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 `balls-game`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "5fb32c1c1e1ac10f56c4beef4d00b921c2489890031d79e2ffb9c392df9ce1c2"` [INFO] running `"docker" "rm" "-f" "5fb32c1c1e1ac10f56c4beef4d00b921c2489890031d79e2ffb9c392df9ce1c2"` [INFO] [stdout] 5fb32c1c1e1ac10f56c4beef4d00b921c2489890031d79e2ffb9c392df9ce1c2