[INFO] updating cached repository mrwright/blackhole_ocl
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mrwright/blackhole_ocl
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mrwright/blackhole_ocl" "work/ex/beta-1.38-1/sources/1.37.0/gh/mrwright/blackhole_ocl"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/mrwright/blackhole_ocl'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mrwright/blackhole_ocl" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mrwright/blackhole_ocl"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mrwright/blackhole_ocl'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9813061477e1cea90c64703340b6d3a3e2c7ca69
[INFO] sha for GitHub repo mrwright/blackhole_ocl: 9813061477e1cea90c64703340b6d3a3e2c7ca69
[INFO] validating manifest of mrwright/blackhole_ocl 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 mrwright/blackhole_ocl 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 mrwright/blackhole_ocl
[INFO] finished frobbing mrwright/blackhole_ocl
[INFO] frobbed toml for mrwright/blackhole_ocl written to work/ex/beta-1.38-1/sources/1.37.0/gh/mrwright/blackhole_ocl/Cargo.toml
[INFO] started frobbing mrwright/blackhole_ocl
[INFO] finished frobbing mrwright/blackhole_ocl
[INFO] frobbed toml for mrwright/blackhole_ocl written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mrwright/blackhole_ocl/Cargo.toml
[INFO] crate mrwright/blackhole_ocl 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 mrwright/blackhole_ocl against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mrwright/blackhole_ocl:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] bd7317055c3a1515bfab6b24052d7b54630af648180c479f10beca4ffcfddca6
[INFO] running `"docker" "start" "-a" "bd7317055c3a1515bfab6b24052d7b54630af648180c479f10beca4ffcfddca6"`
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling cl-sys v0.4.2
[INFO] [stderr]    Compiling backtrace v0.3.17
[INFO] [stderr]    Compiling ocl-core v0.11.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling sdl2-sys v0.32.6
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling png v0.14.1
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.1
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling crossbeam v0.7.1
[INFO] [stderr]    Compiling qutex v0.2.3
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling ocl-core-vector v0.1.0
[INFO] [stderr]    Compiling sdl2 v0.32.2
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling tiff v0.2.2
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling image v0.21.2
[INFO] [stderr]    Compiling ocl v0.19.2
[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-0.19.2/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-0.19.2/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-0.19.2/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-0.19.2/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 blackhole_ocl 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/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/blackhole_ocl-dd480cf89a2c64b9.blackhole_ocl.ak1wy58a-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/blackhole_ocl-dd480cf89a2c64b9.blackhole_ocl.ak1wy58a-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/blackhole_ocl-dd480cf89a2c64b9.blackhole_ocl.ak1wy58a-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/blackhole_ocl-dd480cf89a2c64b9.blackhole_ocl.ak1wy58a-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/blackhole_ocl-dd480cf89a2c64b9.blackhole_ocl.ak1wy58a-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/blackhole_ocl-dd480cf89a2c64b9.blackhole_ocl.ak1wy58a-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/blackhole_ocl-dd480cf89a2c64b9.blackhole_ocl.ak1wy58a-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/blackhole_ocl-dd480cf89a2c64b9.blackhole_ocl.ak1wy58a-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/blackhole_ocl-dd480cf89a2c64b9.blackhole_ocl.ak1wy58a-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/blackhole_ocl-dd480cf89a2c64b9.blackhole_ocl.ak1wy58a-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/blackhole_ocl-dd480cf89a2c64b9.blackhole_ocl.ak1wy58a-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/blackhole_ocl-dd480cf89a2c64b9.blackhole_ocl.ak1wy58a-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/blackhole_ocl-dd480cf89a2c64b9.blackhole_ocl.ak1wy58a-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/blackhole_ocl-dd480cf89a2c64b9.blackhole_ocl.ak1wy58a-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/blackhole_ocl-dd480cf89a2c64b9.blackhole_ocl.ak1wy58a-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/blackhole_ocl-dd480cf89a2c64b9.blackhole_ocl.ak1wy58a-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/blackhole_ocl-dd480cf89a2c64b9" "/opt/crater/target/debug/deps/blackhole_ocl-dd480cf89a2c64b9.41av5okumvf7gkl7.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-bc0eccdb734f5f6e/out" "-L" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libsdl2-8b25bb54a9b98059.rlib" "/opt/crater/target/debug/deps/librand-eb90fb6d5f54926a.rlib" "/opt/crater/target/debug/deps/librand_xorshift-7b19cb00158fa6fb.rlib" "/opt/crater/target/debug/deps/librand_pcg-65721c37f161e149.rlib" "/opt/crater/target/debug/deps/librand_hc-0652ab44c5db9eb2.rlib" "/opt/crater/target/debug/deps/librand_chacha-11361bf4dfc3f2ea.rlib" "/opt/crater/target/debug/deps/librand_isaac-a4f79f4126c1f25d.rlib" "/opt/crater/target/debug/deps/librand_core-4dce960811a60b1d.rlib" "/opt/crater/target/debug/deps/librand_os-f3309c98f906a68c.rlib" "/opt/crater/target/debug/deps/librand_jitter-d9d513b2a8e629e5.rlib" "/opt/crater/target/debug/deps/librand_core-948b7aad8fedc31f.rlib" "/opt/crater/target/debug/deps/libsdl2_sys-e64c35c3148b3dd8.rlib" "/opt/crater/target/debug/deps/libocl-7124dfe045248166.rlib" "/opt/crater/target/debug/deps/libqutex-13b5052bf8c84885.rlib" "/opt/crater/target/debug/deps/libcrossbeam-89271cbde98745d4.rlib" "/opt/crater/target/debug/deps/libcrossbeam_queue-d3276ef21c0971e3.rlib" "/opt/crater/target/debug/deps/libcrossbeam_channel-e0c7b74e61d9dd29.rlib" "/opt/crater/target/debug/deps/libsmallvec-5064529c624056f7.rlib" "/opt/crater/target/debug/deps/libcrossbeam_deque-1a1f5d5de3c611f7.rlib" "/opt/crater/target/debug/deps/libcrossbeam_epoch-a2019582411bf070.rlib" "/opt/crater/target/debug/deps/libcrossbeam_utils-bea5d60148bf2807.rlib" "/opt/crater/target/debug/deps/libocl_core-071f473e7e940403.rlib" "/opt/crater/target/debug/deps/libcl_sys-a38f19e63403b8ae.rlib" "/opt/crater/target/debug/deps/libocl_core_vector-eac04c78483605d7.rlib" "/opt/crater/target/debug/deps/libnum-bc34466935273c40.rlib" "/opt/crater/target/debug/deps/libnum_rational-b874e59d2df291d3.rlib" "/opt/crater/target/debug/deps/libnum_bigint-2a0a860bee22b8c3.rlib" "/opt/crater/target/debug/deps/librand-2ed36af5b592ef1f.rlib" "/opt/crater/target/debug/deps/libnum_complex-2013bef12484f497.rlib" "/opt/crater/target/debug/deps/librustc_serialize-fc0a027b4489f806.rlib" "/opt/crater/target/debug/deps/libenum_primitive-55d2fb8b7486e40a.rlib" "/opt/crater/target/debug/deps/libnum_traits-27a0dbfda51ad2ea.rlib" "/opt/crater/target/debug/deps/libfailure-e7c58737f549ccde.rlib" "/opt/crater/target/debug/deps/libbacktrace-abd3d52580bab0c5.rlib" "/opt/crater/target/debug/deps/libbacktrace_sys-99428dded7b0d868.rlib" "/opt/crater/target/debug/deps/librustc_demangle-ed05c216b516674b.rlib" "/opt/crater/target/debug/deps/libfutures-8019b69d286f68c6.rlib" "/opt/crater/target/debug/deps/libimage-07dabb89aab2ef36.rlib" "/opt/crater/target/debug/deps/libtiff-2370ba9ec8ede6ad.rlib" "/opt/crater/target/debug/deps/libpng-57ad268f52f1aa9e.rlib" "/opt/crater/target/debug/deps/libdeflate-b1a8691029d64de7.rlib" "/opt/crater/target/debug/deps/libinflate-398663c07a1d51bf.rlib" "/opt/crater/target/debug/deps/libadler32-b7013a55566e2bf0.rlib" "/opt/crater/target/debug/deps/libjpeg_decoder-dc3968f8f8c75c7d.rlib" "/opt/crater/target/debug/deps/librayon-3cef118f96429c3e.rlib" "/opt/crater/target/debug/deps/libeither-0991b1b51775eba9.rlib" "/opt/crater/target/debug/deps/librayon_core-cf6fbe210e127cc9.rlib" "/opt/crater/target/debug/deps/libnum_cpus-8e865ae365360e18.rlib" "/opt/crater/target/debug/deps/libcrossbeam_deque-2e9094e48259e997.rlib" "/opt/crater/target/debug/deps/libcrossbeam_epoch-daf464bcdb04681e.rlib" "/opt/crater/target/debug/deps/libscopeguard-22a7afc64d55fe2c.rlib" "/opt/crater/target/debug/deps/libmemoffset-81f7e9a5af225363.rlib" "/opt/crater/target/debug/deps/liblazy_static-1f7a4359e40a6da9.rlib" "/opt/crater/target/debug/deps/libcrossbeam_utils-2ab1db29179445cd.rlib" "/opt/crater/target/debug/deps/libcfg_if-c978b2f886ff1de7.rlib" "/opt/crater/target/debug/deps/libarrayvec-d40803a2033efc6a.rlib" "/opt/crater/target/debug/deps/libnodrop-e19287b067ca818f.rlib" "/opt/crater/target/debug/deps/libgif-02f051460bbf1560.rlib" "/opt/crater/target/debug/deps/libcolor_quant-5c0942c00416f084.rlib" "/opt/crater/target/debug/deps/libscoped_threadpool-eca6c0c4d231bd1a.rlib" "/opt/crater/target/debug/deps/libnum_rational-8dfd4710ef61ad27.rlib" "/opt/crater/target/debug/deps/libnum_iter-c2670023c017b43e.rlib" "/opt/crater/target/debug/deps/libnum_integer-2746dc7a3b917a7f.rlib" "/opt/crater/target/debug/deps/libnum_traits-b79693a5d7e93180.rlib" "/opt/crater/target/debug/deps/liblzw-623507a6e6e9c8a7.rlib" "/opt/crater/target/debug/deps/libbyteorder-1a1b15f729bcf83c.rlib" "/opt/crater/target/debug/deps/libclap-e66c75697687be9e.rlib" "/opt/crater/target/debug/deps/libvec_map-dfe47d7ef870925b.rlib" "/opt/crater/target/debug/deps/libtextwrap-1bfd55d095ac62fb.rlib" "/opt/crater/target/debug/deps/libunicode_width-be270ae5acdefae2.rlib" "/opt/crater/target/debug/deps/libstrsim-71052c127de7173f.rlib" "/opt/crater/target/debug/deps/libbitflags-67998902f09e32c1.rlib" "/opt/crater/target/debug/deps/libatty-490e9008da09a638.rlib" "/opt/crater/target/debug/deps/liblibc-69a9724d7a73c9bb.rlib" "/opt/crater/target/debug/deps/libansi_term-8091014737d4fb0a.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-1d6d86bd078a28e9.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-e9721e46a424e2a9.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-c07193698f282147.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-6da45690f3863086.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-690797036dd27680.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-d3896ccbfd8eda2b.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-7cccc3739e3d7623.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-5e9ba178a513cd29.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-5ca9f83bf63d1f4b.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-bba1c7ef9e950882.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-e23c9de62012deb5.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-9b59dffdcd513d5d.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-17392340ab2e4a97.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-ac21508a81e3f7f3.rlib" "-Wl,-Bdynamic" "-lSDL2" "-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 `blackhole_ocl`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "bd7317055c3a1515bfab6b24052d7b54630af648180c479f10beca4ffcfddca6"`
[INFO] running `"docker" "rm" "-f" "bd7317055c3a1515bfab6b24052d7b54630af648180c479f10beca4ffcfddca6"`
[INFO] [stdout] bd7317055c3a1515bfab6b24052d7b54630af648180c479f10beca4ffcfddca6