[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-1.37-6/sources/1.36.0/gh/sunjay/balls-game"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/sunjay/balls-game'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/sunjay/balls-game" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/sunjay/balls-game"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/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 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of sunjay/balls-game 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 sunjay/balls-game [INFO] finished frobbing sunjay/balls-game [INFO] frobbed toml for sunjay/balls-game written to work/ex/beta-1.37-6/sources/1.36.0/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-1.37-6/sources/beta-2019-07-23/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" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing sunjay/balls-game 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-2/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/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" "+beta-2019-07-23" "build" "--frozen"` [INFO] [stdout] 9130ec921c64c3cde05edda56606bc9ebc9d20ed12f70a836575965e4f04d86d [INFO] running `"docker" "start" "-a" "9130ec921c64c3cde05edda56606bc9ebc9d20ed12f70a836575965e4f04d86d"` [INFO] [stderr] Compiling static_assertions v0.2.5 [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 parking_lot_core v0.2.14 [INFO] [stderr] Compiling parking_lot_core v0.3.1 [INFO] [stderr] Compiling rayon-core v1.4.1 [INFO] [stderr] Compiling derivative v1.0.2 [INFO] [stderr] Compiling shred-derive v0.5.1 [INFO] [stderr] Compiling specs-derive v0.4.0 [INFO] [stderr] Compiling crossbeam-deque v0.5.2 [INFO] [stderr] Compiling parking_lot v0.5.5 [INFO] [stderr] Compiling parking_lot v0.6.4 [INFO] [stderr] Compiling crossbeam-epoch v0.6.1 [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 shrev v1.0.1 [INFO] [stderr] Compiling shred v0.7.1 [INFO] [stderr] Compiling hibitset v0.5.4 [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" 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"/opt/crater/target/debug/deps/libmemoffset-ef971ccc3957ca71.rlib" "/opt/crater/target/debug/deps/liblazy_static-6a4e8ea56a445919.rlib" "/opt/crater/target/debug/deps/libcrossbeam_utils-a88bdfda26d15bdc.rlib" "/opt/crater/target/debug/deps/libcfg_if-ed68c9a1ad96df3c.rlib" "/opt/crater/target/debug/deps/libmopa-d9e951e34bd43684.rlib" "/opt/crater/target/debug/deps/libfxhash-b903b853e1177717.rlib" "/opt/crater/target/debug/deps/libbyteorder-301089d538415037.rlib" "/opt/crater/target/debug/deps/libarrayvec-03850c5bb778b6fd.rlib" "/opt/crater/target/debug/deps/libnodrop-36ce0cdfb7359e6a.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" "-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" "9130ec921c64c3cde05edda56606bc9ebc9d20ed12f70a836575965e4f04d86d"` [INFO] running `"docker" "rm" "-f" "9130ec921c64c3cde05edda56606bc9ebc9d20ed12f70a836575965e4f04d86d"` [INFO] [stdout] 9130ec921c64c3cde05edda56606bc9ebc9d20ed12f70a836575965e4f04d86d