[INFO] updating cached repository Jkillelea/game_of_life
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Jkillelea/game_of_life
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Jkillelea/game_of_life" "work/ex/beta-1.38-1/sources/1.37.0/gh/Jkillelea/game_of_life"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Jkillelea/game_of_life'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Jkillelea/game_of_life" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Jkillelea/game_of_life"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Jkillelea/game_of_life'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 25cfa719fc4831eddf70e598f02436b37f3dc8ab
[INFO] sha for GitHub repo Jkillelea/game_of_life: 25cfa719fc4831eddf70e598f02436b37f3dc8ab
[INFO] validating manifest of Jkillelea/game_of_life 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 Jkillelea/game_of_life 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 Jkillelea/game_of_life
[INFO] finished frobbing Jkillelea/game_of_life
[INFO] frobbed toml for Jkillelea/game_of_life written to work/ex/beta-1.38-1/sources/1.37.0/gh/Jkillelea/game_of_life/Cargo.toml
[INFO] started frobbing Jkillelea/game_of_life
[INFO] finished frobbing Jkillelea/game_of_life
[INFO] frobbed toml for Jkillelea/game_of_life written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Jkillelea/game_of_life/Cargo.toml
[INFO] crate Jkillelea/game_of_life 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 Jkillelea/game_of_life 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Jkillelea/game_of_life:/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] e599b12ba757c297d206d61d887bfb3438229872d2d1adfffcd51b70709e05f9
[INFO] running `"docker" "start" "-a" "e599b12ba757c297d206d61d887bfb3438229872d2d1adfffcd51b70709e05f9"`
[INFO] [stderr]    Compiling cc v1.0.19
[INFO] [stderr]    Compiling cl-sys v0.4.1
[INFO] [stderr]    Compiling qutex v0.2.1
[INFO] [stderr]    Compiling quote v0.6.6
[INFO] [stderr]    Compiling ocl-core v0.10.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling png v0.12.0
[INFO] [stderr]    Compiling ocl-core-vector v0.1.0
[INFO] [stderr]    Compiling syn v0.14.8
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling rayon v1.0.2
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]    Compiling synstructure v0.9.0
[INFO] [stderr]    Compiling failure_derive v0.1.2
[INFO] [stderr]    Compiling failure v0.1.2
[INFO] [stderr]    Compiling ocl v0.19.0
[INFO] [stderr] warning[E0502]: cannot borrow `self.cmd.buffer.obj_core` as immutable because it is also borrowed as mutable
[INFO] [stderr]     --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/ocl-0.19.0/src/standard/buffer.rs:1609:13
[INFO] [stderr]      |
[INFO] [stderr] 1606 |         let (offset, len, queue, flags, ewait, enew, /*is_mapped*/) = self.enq_details()?;
[INFO] [stderr]      |                                                                       ---- mutable borrow occurs here
[INFO] [stderr] ...
[INFO] [stderr] 1609 |             &self.cmd.buffer.obj_core, true, flags, offset, len, ewait, enew)?;
[INFO] [stderr]      |             ^^^^^^^^^^^^^^^^^^^^^^^^^ immutable borrow occurs here
[INFO] [stderr] ...
[INFO] [stderr] 1614 |             queue.clone()))
[INFO] [stderr]      |             ----- mutable borrow later used here
[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 `self.cmd.buffer.obj_core` as immutable because it is also borrowed as mutable
[INFO] [stderr]     --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/ocl-0.19.0/src/standard/buffer.rs:1613:57
[INFO] [stderr]      |
[INFO] [stderr] 1606 |         let (offset, len, queue, flags, ewait, enew, /*is_mapped*/) = self.enq_details()?;
[INFO] [stderr]      |                                                                       ---- mutable borrow occurs here
[INFO] [stderr] ...
[INFO] [stderr] 1613 |         Ok(MemMap::new(mm_core, len, None, unmap_event, self.cmd.buffer.obj_core.clone(),
[INFO] [stderr]      |                                                         ^^^^^^^^^^^^^^^^^^^^^^^^ immutable borrow occurs here
[INFO] [stderr] 1614 |             queue.clone()))
[INFO] [stderr]      |             ----- mutable borrow later used here
[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 `self.cmd.buffer.obj_core` as immutable because it is also borrowed as mutable
[INFO] [stderr]     --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/ocl-0.19.0/src/standard/buffer.rs:1635:13
[INFO] [stderr]      |
[INFO] [stderr] 1630 |         let (offset, len, queue, flags, ewait, enew, /*is_mapped*/) = self.enq_details()?;
[INFO] [stderr]      |                                                                       ---- mutable borrow occurs here
[INFO] [stderr] ...
[INFO] [stderr] 1635 |             &self.cmd.buffer.obj_core, false, flags, offset, len, ewait,
[INFO] [stderr]      |             ^^^^^^^^^^^^^^^^^^^^^^^^^ immutable borrow occurs here
[INFO] [stderr] ...
[INFO] [stderr] 1646 |             self.cmd.buffer.obj_core.clone(), queue.clone(), /*is_mapped*/))
[INFO] [stderr]      |                                               ----- mutable borrow later used here
[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 `self.cmd.buffer.obj_core` as immutable because it is also borrowed as mutable
[INFO] [stderr]     --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/ocl-0.19.0/src/standard/buffer.rs:1646:13
[INFO] [stderr]      |
[INFO] [stderr] 1630 |         let (offset, len, queue, flags, ewait, enew, /*is_mapped*/) = self.enq_details()?;
[INFO] [stderr]      |                                                                       ---- mutable borrow occurs here
[INFO] [stderr] ...
[INFO] [stderr] 1646 |             self.cmd.buffer.obj_core.clone(), queue.clone(), /*is_mapped*/))
[INFO] [stderr]      |             ^^^^^^^^^^^^^^^^^^^^^^^^          ----- mutable borrow later used here
[INFO] [stderr]      |             |
[INFO] [stderr]      |             immutable borrow occurs here
[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 game_of_life v0.1.0 (/opt/crater/workdir)
[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/game_of_life-48eb596ee5366612.game_of_life.3fxmj100-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/game_of_life-48eb596ee5366612.game_of_life.3fxmj100-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/game_of_life-48eb596ee5366612.game_of_life.3fxmj100-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/game_of_life-48eb596ee5366612.game_of_life.3fxmj100-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/game_of_life-48eb596ee5366612.game_of_life.3fxmj100-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/game_of_life-48eb596ee5366612.game_of_life.3fxmj100-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/game_of_life-48eb596ee5366612.game_of_life.3fxmj100-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/game_of_life-48eb596ee5366612.game_of_life.3fxmj100-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/game_of_life-48eb596ee5366612.game_of_life.3fxmj100-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/game_of_life-48eb596ee5366612.game_of_life.3fxmj100-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/game_of_life-48eb596ee5366612.game_of_life.3fxmj100-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/game_of_life-48eb596ee5366612.game_of_life.3fxmj100-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/game_of_life-48eb596ee5366612.game_of_life.3fxmj100-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/game_of_life-48eb596ee5366612.game_of_life.3fxmj100-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/game_of_life-48eb596ee5366612.game_of_life.3fxmj100-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/game_of_life-48eb596ee5366612.game_of_life.3fxmj100-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/game_of_life-48eb596ee5366612" "/opt/crater/target/debug/deps/game_of_life-48eb596ee5366612.395uyzks8n7axs01.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/target/debug/build/backtrace-sys-a5355a845a8dffbf/out" "-L" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libocl-94e21925069c2bfa.rlib" "/opt/crater/target/debug/deps/libqutex-4c16326ee1629988.rlib" "/opt/crater/target/debug/deps/libcrossbeam-059bd6b2f9ab096d.rlib" "/opt/crater/target/debug/deps/libocl_core-34f7eedc816fd3ac.rlib" "/opt/crater/target/debug/deps/libcl_sys-d477ed5b5f46e91a.rlib" "/opt/crater/target/debug/deps/libocl_core_vector-38bfab6131791012.rlib" "/opt/crater/target/debug/deps/libnum-c5c4f385bc8dddd0.rlib" "/opt/crater/target/debug/deps/libnum_rational-edd414649ea7e06c.rlib" "/opt/crater/target/debug/deps/libnum_bigint-658a5e319bfdf03c.rlib" "/opt/crater/target/debug/deps/librand-b1e03a2e62a72ad1.rlib" "/opt/crater/target/debug/deps/libnum_complex-f7fee3b1865ca81e.rlib" "/opt/crater/target/debug/deps/librustc_serialize-cc29b8ffd74fbfca.rlib" "/opt/crater/target/debug/deps/libenum_primitive-5a5adcb2f56b5a51.rlib" "/opt/crater/target/debug/deps/libnum_traits-f61046fd467736a9.rlib" "/opt/crater/target/debug/deps/libfailure-16703a146aa7f6c3.rlib" "/opt/crater/target/debug/deps/libbacktrace-be2c5c2ada02cf14.rlib" "/opt/crater/target/debug/deps/libbacktrace_sys-ad7eab6a71718b27.rlib" "/opt/crater/target/debug/deps/librustc_demangle-671ddd545bd5b66c.rlib" "/opt/crater/target/debug/deps/libfutures-bc20b52358ad4692.rlib" "/opt/crater/target/debug/deps/librayon-d4a412ee13c75285.rlib" "/opt/crater/target/debug/deps/libeither-1d8cfd8a86cf0dc0.rlib" "/opt/crater/target/debug/deps/librayon_core-88e94549f3ddec50.rlib" "/opt/crater/target/debug/deps/libnum_cpus-e3386182e8edfb72.rlib" "/opt/crater/target/debug/deps/libcrossbeam_deque-127c029cd3951785.rlib" "/opt/crater/target/debug/deps/libcrossbeam_epoch-8c70bd0d4748aa59.rlib" "/opt/crater/target/debug/deps/libscopeguard-316f896e0d3e978a.rlib" "/opt/crater/target/debug/deps/libmemoffset-6c4b37f364c61d2a.rlib" "/opt/crater/target/debug/deps/liblazy_static-a8fe5d1bd490d4d0.rlib" "/opt/crater/target/debug/deps/libcrossbeam_utils-7f9e663a939fea11.rlib" "/opt/crater/target/debug/deps/libcfg_if-9f435470967389a1.rlib" "/opt/crater/target/debug/deps/libarrayvec-b5d3ba4cf7c64fb7.rlib" "/opt/crater/target/debug/deps/libnodrop-ebe102d76b342fed.rlib" "/opt/crater/target/debug/deps/libpng-b37e0e9d95ebe908.rlib" "/opt/crater/target/debug/deps/libdeflate-dd62dd2b951bab42.rlib" "/opt/crater/target/debug/deps/libbyteorder-157443f411c7fad7.rlib" "/opt/crater/target/debug/deps/libinflate-23d717d7f4066d8c.rlib" "/opt/crater/target/debug/deps/libadler32-28cce00de1b6c9b3.rlib" "/opt/crater/target/debug/deps/libnum_iter-780754baadb0392d.rlib" "/opt/crater/target/debug/deps/libnum_integer-69f6c7b7e7338d34.rlib" "/opt/crater/target/debug/deps/libnum_traits-6ee04903fe0bc7d4.rlib" "/opt/crater/target/debug/deps/libbitflags-70a7e6d2f9d4aa58.rlib" "/opt/crater/target/debug/deps/librand-5e502825de03cf38.rlib" "/opt/crater/target/debug/deps/liblibc-96489a6b7aca76d0.rlib" "/opt/crater/target/debug/deps/librand_core-7e12f379c9eba2a6.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" "-lOpenCL" "-lOpenCL" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil"
[INFO] [stderr]   = note: /usr/bin/ld: cannot find -lOpenCL
[INFO] [stderr]           /usr/bin/ld: cannot find -lOpenCL
[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 `game_of_life`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "e599b12ba757c297d206d61d887bfb3438229872d2d1adfffcd51b70709e05f9"`
[INFO] running `"docker" "rm" "-f" "e599b12ba757c297d206d61d887bfb3438229872d2d1adfffcd51b70709e05f9"`
[INFO] [stdout] e599b12ba757c297d206d61d887bfb3438229872d2d1adfffcd51b70709e05f9