[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-1.37-6/sources/1.36.0/gh/Jkillelea/game_of_life"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/Jkillelea/game_of_life'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Jkillelea/game_of_life" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Jkillelea/game_of_life"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/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 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Jkillelea/game_of_life 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 Jkillelea/game_of_life
[INFO] finished frobbing Jkillelea/game_of_life
[INFO] frobbed toml for Jkillelea/game_of_life written to work/ex/beta-1.37-6/sources/1.36.0/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-1.37-6/sources/beta-2019-07-23/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" "+1.36.0" "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 Jkillelea/game_of_life against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] ffd9c6aa148d9d5f2fe26961e4e6b8f76b3120025cfa3bc378a3c60f3ecc0fef
[INFO] running `"docker" "start" "-a" "ffd9c6aa148d9d5f2fe26961e4e6b8f76b3120025cfa3bc378a3c60f3ecc0fef"`
[INFO] [stderr]    Compiling proc-macro2 v0.4.13
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling cc v1.0.19
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling cfg-if v0.1.5
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling failure_derive v0.1.2
[INFO] [stderr]    Compiling cl-sys v0.4.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.9
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling byteorder v1.2.4
[INFO] [stderr]    Compiling bitflags v1.0.3
[INFO] [stderr]    Compiling rayon v1.0.2
[INFO] [stderr]    Compiling futures v0.1.23
[INFO] [stderr]    Compiling crossbeam v0.3.2
[INFO] [stderr]    Compiling adler32 v1.0.3
[INFO] [stderr]    Compiling rand_core v0.2.1
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling rand v0.4.3
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling inflate v0.4.3
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling deflate v0.7.18
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling ocl-core v0.10.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling quote v0.6.6
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling syn v0.14.8
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling qutex v0.2.1
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]    Compiling png v0.12.0
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling ocl-core-vector v0.1.0
[INFO] [stderr]    Compiling synstructure v0.9.0
[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] 
[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] 
[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] 
[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] 
[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/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/game_of_life-9e0b9742cbed0f71.game_of_life.bqywel6e-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/game_of_life-9e0b9742cbed0f71.game_of_life.bqywel6e-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/game_of_life-9e0b9742cbed0f71.game_of_life.bqywel6e-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/game_of_life-9e0b9742cbed0f71.game_of_life.bqywel6e-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/game_of_life-9e0b9742cbed0f71.game_of_life.bqywel6e-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/game_of_life-9e0b9742cbed0f71.game_of_life.bqywel6e-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/game_of_life-9e0b9742cbed0f71.game_of_life.bqywel6e-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/game_of_life-9e0b9742cbed0f71.game_of_life.bqywel6e-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/game_of_life-9e0b9742cbed0f71.game_of_life.bqywel6e-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/game_of_life-9e0b9742cbed0f71.game_of_life.bqywel6e-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/game_of_life-9e0b9742cbed0f71.game_of_life.bqywel6e-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/game_of_life-9e0b9742cbed0f71.game_of_life.bqywel6e-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/game_of_life-9e0b9742cbed0f71.game_of_life.bqywel6e-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/game_of_life-9e0b9742cbed0f71.game_of_life.bqywel6e-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/game_of_life-9e0b9742cbed0f71.game_of_life.bqywel6e-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/game_of_life-9e0b9742cbed0f71.game_of_life.bqywel6e-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/game_of_life-9e0b9742cbed0f71" "/opt/crater/target/debug/deps/game_of_life-9e0b9742cbed0f71.4hlysa0ij84en7oz.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-0fd34f048c6fd5ca/out" "-L" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libocl-a9aa6abfd51584f6.rlib" "/opt/crater/target/debug/deps/libqutex-655eb56259bcfe27.rlib" "/opt/crater/target/debug/deps/libcrossbeam-afeb664edf309719.rlib" "/opt/crater/target/debug/deps/libocl_core-a943f61d3608ec60.rlib" "/opt/crater/target/debug/deps/libcl_sys-41caa7d757950ba0.rlib" "/opt/crater/target/debug/deps/libocl_core_vector-1122d37cc24102f9.rlib" "/opt/crater/target/debug/deps/libnum-33faf308ca238ec0.rlib" "/opt/crater/target/debug/deps/libnum_rational-07a04ccf42329e5c.rlib" "/opt/crater/target/debug/deps/libnum_bigint-62bc5e90f51ca097.rlib" "/opt/crater/target/debug/deps/librand-5b4846b2df01bb6e.rlib" "/opt/crater/target/debug/deps/libnum_complex-d5426a7f56169568.rlib" "/opt/crater/target/debug/deps/librustc_serialize-04f5d71c016b4cf1.rlib" "/opt/crater/target/debug/deps/libenum_primitive-3fb315ab0e277e05.rlib" "/opt/crater/target/debug/deps/libnum_traits-35eaeaa2cc363741.rlib" "/opt/crater/target/debug/deps/libfailure-5758c6b62c2976a0.rlib" "/opt/crater/target/debug/deps/libbacktrace-ce727f3b1fdd3d56.rlib" "/opt/crater/target/debug/deps/libbacktrace_sys-b60f8f1237166d74.rlib" "/opt/crater/target/debug/deps/librustc_demangle-0cf21e95f1903146.rlib" "/opt/crater/target/debug/deps/libfutures-b0714ad900f48a7a.rlib" "/opt/crater/target/debug/deps/librayon-0ad7f5bf2add2ffc.rlib" "/opt/crater/target/debug/deps/libeither-0f95895ac60a72cc.rlib" "/opt/crater/target/debug/deps/librayon_core-2b0f3ade61fd5ab5.rlib" "/opt/crater/target/debug/deps/libnum_cpus-3ba4d21d0f7c311a.rlib" "/opt/crater/target/debug/deps/libcrossbeam_deque-3d8603681664b3f2.rlib" "/opt/crater/target/debug/deps/libcrossbeam_epoch-7d105055c05f83fe.rlib" "/opt/crater/target/debug/deps/libscopeguard-f1a5efe88a6d7a2c.rlib" "/opt/crater/target/debug/deps/libmemoffset-97aaddce60f38adf.rlib" "/opt/crater/target/debug/deps/liblazy_static-ecaeabeb9565ea66.rlib" "/opt/crater/target/debug/deps/libcrossbeam_utils-c4ba6cae3d025a00.rlib" "/opt/crater/target/debug/deps/libcfg_if-37a71300891feb34.rlib" "/opt/crater/target/debug/deps/libarrayvec-de5c490acf214266.rlib" "/opt/crater/target/debug/deps/libnodrop-8a7d8c0bc1ccbc8a.rlib" "/opt/crater/target/debug/deps/libpng-e7b7653b9be49778.rlib" "/opt/crater/target/debug/deps/libdeflate-4925e39fc3de00b2.rlib" "/opt/crater/target/debug/deps/libbyteorder-f35dce08323b89ab.rlib" "/opt/crater/target/debug/deps/libinflate-5ec58cc10a589a81.rlib" "/opt/crater/target/debug/deps/libadler32-46acf8b49c11de91.rlib" "/opt/crater/target/debug/deps/libnum_iter-96022ea85631db4f.rlib" "/opt/crater/target/debug/deps/libnum_integer-8b7831b596aa40bb.rlib" "/opt/crater/target/debug/deps/libnum_traits-538bf8318a736e8f.rlib" "/opt/crater/target/debug/deps/libbitflags-4f5a5af30acbcb25.rlib" "/opt/crater/target/debug/deps/librand-d1f19fb0435a3e18.rlib" "/opt/crater/target/debug/deps/liblibc-dd1adeeac4690585.rlib" "/opt/crater/target/debug/deps/librand_core-7ff4cdbb828d08c4.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-9895e8982b0a79e7.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-57306b8ed3378a0e.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-54463ae5adae3649.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-d99667b199a9875a.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-51f4300e102199f5.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-b3ccf1f7737a6a91.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-157c37a3ceb78853.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-505bcee45aafb736.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-c29abd529ba4452b.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-895383a3232f6572.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-5594cb4f559bc761.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-38e90baf978bc428.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" "ffd9c6aa148d9d5f2fe26961e4e6b8f76b3120025cfa3bc378a3c60f3ecc0fef"`
[INFO] running `"docker" "rm" "-f" "ffd9c6aa148d9d5f2fe26961e4e6b8f76b3120025cfa3bc378a3c60f3ecc0fef"`
[INFO] [stdout] ffd9c6aa148d9d5f2fe26961e4e6b8f76b3120025cfa3bc378a3c60f3ecc0fef