[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-1.37-6/sources/1.36.0/gh/mrwright/blackhole_ocl"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/mrwright/blackhole_ocl'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mrwright/blackhole_ocl" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mrwright/blackhole_ocl"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/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 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mrwright/blackhole_ocl 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 mrwright/blackhole_ocl
[INFO] finished frobbing mrwright/blackhole_ocl
[INFO] frobbed toml for mrwright/blackhole_ocl written to work/ex/beta-1.37-6/sources/1.36.0/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-1.37-6/sources/beta-2019-07-23/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" "+1.36.0" "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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing mrwright/blackhole_ocl 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-5/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/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 2df5100b322e03153c3e3f5c85091eaa8ba90aa11388c38b6abc6a52fccef6ee
[INFO] running `"docker" "start" "-a" "2df5100b322e03153c3e3f5c85091eaa8ba90aa11388c38b6abc6a52fccef6ee"`
[INFO] [stderr]    Compiling cl-sys v0.4.2
[INFO] [stderr]    Compiling backtrace v0.3.17
[INFO] [stderr]    Compiling crossbeam-channel v0.3.8
[INFO] [stderr]    Compiling ocl-core v0.11.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.1
[INFO] [stderr]    Compiling sdl2-sys v0.32.6
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling png v0.14.1
[INFO] [stderr]    Compiling tiff v0.2.2
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling crossbeam v0.7.1
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling qutex v0.2.3
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling rayon v1.0.3
[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 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-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/blackhole_ocl-5c7e2bf91d4e6542.blackhole_ocl.4u2g6j07-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/blackhole_ocl-5c7e2bf91d4e6542.blackhole_ocl.4u2g6j07-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/blackhole_ocl-5c7e2bf91d4e6542.blackhole_ocl.4u2g6j07-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/blackhole_ocl-5c7e2bf91d4e6542.blackhole_ocl.4u2g6j07-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/blackhole_ocl-5c7e2bf91d4e6542.blackhole_ocl.4u2g6j07-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/blackhole_ocl-5c7e2bf91d4e6542.blackhole_ocl.4u2g6j07-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/blackhole_ocl-5c7e2bf91d4e6542.blackhole_ocl.4u2g6j07-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/blackhole_ocl-5c7e2bf91d4e6542.blackhole_ocl.4u2g6j07-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/blackhole_ocl-5c7e2bf91d4e6542.blackhole_ocl.4u2g6j07-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/blackhole_ocl-5c7e2bf91d4e6542.blackhole_ocl.4u2g6j07-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/blackhole_ocl-5c7e2bf91d4e6542.blackhole_ocl.4u2g6j07-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/blackhole_ocl-5c7e2bf91d4e6542.blackhole_ocl.4u2g6j07-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/blackhole_ocl-5c7e2bf91d4e6542.blackhole_ocl.4u2g6j07-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/blackhole_ocl-5c7e2bf91d4e6542.blackhole_ocl.4u2g6j07-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/blackhole_ocl-5c7e2bf91d4e6542.blackhole_ocl.4u2g6j07-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/blackhole_ocl-5c7e2bf91d4e6542.blackhole_ocl.4u2g6j07-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/blackhole_ocl-5c7e2bf91d4e6542" "/opt/crater/target/debug/deps/blackhole_ocl-5c7e2bf91d4e6542.3os01dxkd7sysz9j.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-27ec4ddc596565f0/out" "-L" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libsdl2-c3523ea70c088649.rlib" "/opt/crater/target/debug/deps/librand-cf957fe7b500fdf6.rlib" "/opt/crater/target/debug/deps/librand_xorshift-5e391b21601b8393.rlib" "/opt/crater/target/debug/deps/librand_pcg-e2e1a0d1728dcbd2.rlib" "/opt/crater/target/debug/deps/librand_hc-8d037a8bb74cc960.rlib" "/opt/crater/target/debug/deps/librand_chacha-caac59cbe4bbf74d.rlib" "/opt/crater/target/debug/deps/librand_isaac-8a1220a5cdc55703.rlib" "/opt/crater/target/debug/deps/librand_core-5af554ddf81cd17c.rlib" "/opt/crater/target/debug/deps/librand_os-675b106b1bd6bfb1.rlib" "/opt/crater/target/debug/deps/librand_jitter-162e89fc4f3652f5.rlib" "/opt/crater/target/debug/deps/librand_core-4c9a550ae16dbf0f.rlib" "/opt/crater/target/debug/deps/libsdl2_sys-07dd04f4b914bbbc.rlib" "/opt/crater/target/debug/deps/libocl-03be2c29deb6c8c6.rlib" "/opt/crater/target/debug/deps/libqutex-a11390872113353d.rlib" "/opt/crater/target/debug/deps/libcrossbeam-1e1258fb03749228.rlib" "/opt/crater/target/debug/deps/libcrossbeam_queue-2d9dc9e894e5ed5a.rlib" "/opt/crater/target/debug/deps/libcrossbeam_channel-d07df42cc51d341d.rlib" "/opt/crater/target/debug/deps/libsmallvec-e0c425bf1f7f0c71.rlib" "/opt/crater/target/debug/deps/libcrossbeam_deque-62f5ade862b9a6eb.rlib" "/opt/crater/target/debug/deps/libcrossbeam_epoch-7599b6daf5d19861.rlib" "/opt/crater/target/debug/deps/libcrossbeam_utils-1eedbdcadcb14ec2.rlib" "/opt/crater/target/debug/deps/libocl_core-47da399ae4c9c91d.rlib" "/opt/crater/target/debug/deps/libcl_sys-a3bf255ed56d14ba.rlib" "/opt/crater/target/debug/deps/libocl_core_vector-d9f00e5e1bbf58b6.rlib" "/opt/crater/target/debug/deps/libnum-4f2d2c9822281fd0.rlib" "/opt/crater/target/debug/deps/libnum_rational-cdb9883c4e8b70b0.rlib" "/opt/crater/target/debug/deps/libnum_bigint-0aacdd634355de0a.rlib" "/opt/crater/target/debug/deps/librand-41174dcabc9ba3af.rlib" "/opt/crater/target/debug/deps/libnum_complex-8c1312f0a6c9ef4f.rlib" "/opt/crater/target/debug/deps/librustc_serialize-349ba31664dfb847.rlib" "/opt/crater/target/debug/deps/libenum_primitive-28e10555fa1dad8f.rlib" "/opt/crater/target/debug/deps/libnum_traits-a3ab5ec38e1d4728.rlib" "/opt/crater/target/debug/deps/libfailure-4bd1ecdb1670504d.rlib" "/opt/crater/target/debug/deps/libbacktrace-987cdf8ddc7cf916.rlib" "/opt/crater/target/debug/deps/libbacktrace_sys-e7a1d9dd8bc045e8.rlib" "/opt/crater/target/debug/deps/librustc_demangle-a584f151e8a55823.rlib" "/opt/crater/target/debug/deps/libfutures-13a33ceea4c0f25d.rlib" "/opt/crater/target/debug/deps/libimage-e68a3fc558aa880d.rlib" "/opt/crater/target/debug/deps/libtiff-e24e5dafc7d95923.rlib" "/opt/crater/target/debug/deps/libpng-c4ed90d29b4320f0.rlib" "/opt/crater/target/debug/deps/libdeflate-425afa8725be4b62.rlib" "/opt/crater/target/debug/deps/libinflate-73f2a2165924ce25.rlib" "/opt/crater/target/debug/deps/libadler32-71d1acce3b38b1ac.rlib" "/opt/crater/target/debug/deps/libjpeg_decoder-bc83a2a8c39c6cbe.rlib" "/opt/crater/target/debug/deps/librayon-bd031c53d11a48f1.rlib" "/opt/crater/target/debug/deps/libeither-09ec7c1188b8d0d0.rlib" "/opt/crater/target/debug/deps/librayon_core-1eb0911eb8151b1d.rlib" "/opt/crater/target/debug/deps/libnum_cpus-55e33325d584859f.rlib" "/opt/crater/target/debug/deps/libcrossbeam_deque-fe76af0d99b2ae1a.rlib" "/opt/crater/target/debug/deps/libcrossbeam_epoch-f40b34027f1a1cf3.rlib" "/opt/crater/target/debug/deps/libscopeguard-afc08b825b950866.rlib" "/opt/crater/target/debug/deps/libmemoffset-ef971ccc3957ca71.rlib" "/opt/crater/target/debug/deps/liblazy_static-6a4e8ea56a445919.rlib" "/opt/crater/target/debug/deps/libcrossbeam_utils-277127add6fa9f81.rlib" "/opt/crater/target/debug/deps/libcfg_if-17244d8fcea476bd.rlib" "/opt/crater/target/debug/deps/libarrayvec-535539faa9435bb0.rlib" "/opt/crater/target/debug/deps/libnodrop-643c4878346759ac.rlib" "/opt/crater/target/debug/deps/libgif-614cf814e165f989.rlib" "/opt/crater/target/debug/deps/libcolor_quant-c3bf5cef789459d6.rlib" "/opt/crater/target/debug/deps/libscoped_threadpool-840c5083dfb1a3e8.rlib" "/opt/crater/target/debug/deps/libnum_rational-19d96b1034237453.rlib" "/opt/crater/target/debug/deps/libnum_iter-6a53ebaecf43d64b.rlib" "/opt/crater/target/debug/deps/libnum_integer-3e4b662ece72588f.rlib" "/opt/crater/target/debug/deps/libnum_traits-b0613bcbd790bfdc.rlib" "/opt/crater/target/debug/deps/liblzw-0ccf98a99dabc5af.rlib" "/opt/crater/target/debug/deps/libbyteorder-301089d538415037.rlib" "/opt/crater/target/debug/deps/libclap-652f35d4c3c2037d.rlib" "/opt/crater/target/debug/deps/libvec_map-d15ddac8fbd5a1a7.rlib" "/opt/crater/target/debug/deps/libtextwrap-a7f85f046874f4da.rlib" "/opt/crater/target/debug/deps/libunicode_width-5c65625ac38072b6.rlib" "/opt/crater/target/debug/deps/libstrsim-b714068d90a275c7.rlib" "/opt/crater/target/debug/deps/libbitflags-e31ad08aaa94ea6a.rlib" "/opt/crater/target/debug/deps/libatty-db7c4c953d4fd188.rlib" "/opt/crater/target/debug/deps/liblibc-3765a0ba6c40c17f.rlib" "/opt/crater/target/debug/deps/libansi_term-a8ee7a34610f25b5.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" "-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" "2df5100b322e03153c3e3f5c85091eaa8ba90aa11388c38b6abc6a52fccef6ee"`
[INFO] running `"docker" "rm" "-f" "2df5100b322e03153c3e3f5c85091eaa8ba90aa11388c38b6abc6a52fccef6ee"`
[INFO] [stdout] 2df5100b322e03153c3e3f5c85091eaa8ba90aa11388c38b6abc6a52fccef6ee