[INFO] updating cached repository kpp/test_ocl
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/kpp/test_ocl
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/kpp/test_ocl" "work/ex/beta-1.38-1/sources/1.37.0/gh/kpp/test_ocl"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/kpp/test_ocl'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kpp/test_ocl" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kpp/test_ocl"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kpp/test_ocl'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1b9d5bdedcc5820ac6251a586ce5db892d28afb8
[INFO] sha for GitHub repo kpp/test_ocl: 1b9d5bdedcc5820ac6251a586ce5db892d28afb8
[INFO] validating manifest of kpp/test_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 kpp/test_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 kpp/test_ocl
[INFO] finished frobbing kpp/test_ocl
[INFO] frobbed toml for kpp/test_ocl written to work/ex/beta-1.38-1/sources/1.37.0/gh/kpp/test_ocl/Cargo.toml
[INFO] started frobbing kpp/test_ocl
[INFO] finished frobbing kpp/test_ocl
[INFO] frobbed toml for kpp/test_ocl written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kpp/test_ocl/Cargo.toml
[INFO] crate kpp/test_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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing kpp/test_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-3/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/kpp/test_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] 3a95b2c2b9fcc6a0e0e8fd80d31cc3764145ca7fb53e08886e26f810681dce18
[INFO] running `"docker" "start" "-a" "3a95b2c2b9fcc6a0e0e8fd80d31cc3764145ca7fb53e08886e26f810681dce18"`
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]    Compiling cl-sys v0.4.2
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling crossbeam-channel v0.3.8
[INFO] [stderr]    Compiling ocl-core v0.11.1
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.1
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling crossbeam v0.7.1
[INFO] [stderr]    Compiling qutex v0.2.3
[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 v0.10.2
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling failure v0.1.5
[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 test_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/test_ocl-ede82b707c88a58d.test_ocl.9v27s2ui-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/test_ocl-ede82b707c88a58d.test_ocl.9v27s2ui-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/test_ocl-ede82b707c88a58d.test_ocl.9v27s2ui-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/test_ocl-ede82b707c88a58d.test_ocl.9v27s2ui-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/test_ocl-ede82b707c88a58d.test_ocl.9v27s2ui-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/test_ocl-ede82b707c88a58d.test_ocl.9v27s2ui-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/test_ocl-ede82b707c88a58d.test_ocl.9v27s2ui-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/test_ocl-ede82b707c88a58d.test_ocl.9v27s2ui-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/test_ocl-ede82b707c88a58d.test_ocl.9v27s2ui-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/test_ocl-ede82b707c88a58d.test_ocl.9v27s2ui-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/test_ocl-ede82b707c88a58d.test_ocl.9v27s2ui-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/test_ocl-ede82b707c88a58d.test_ocl.9v27s2ui-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/test_ocl-ede82b707c88a58d.test_ocl.9v27s2ui-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/test_ocl-ede82b707c88a58d.test_ocl.9v27s2ui-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/test_ocl-ede82b707c88a58d.test_ocl.9v27s2ui-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/test_ocl-ede82b707c88a58d.test_ocl.9v27s2ui-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/test_ocl-ede82b707c88a58d" "/opt/crater/target/debug/deps/test_ocl-ede82b707c88a58d.4qvg34szp6q6olsr.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/libocl-62dfd64e46ed9991.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/libscopeguard-22a7afc64d55fe2c.rlib" "/opt/crater/target/debug/deps/libmemoffset-81f7e9a5af225363.rlib" "/opt/crater/target/debug/deps/libcrossbeam_utils-bea5d60148bf2807.rlib" "/opt/crater/target/debug/deps/liblazy_static-1f7a4359e40a6da9.rlib" "/opt/crater/target/debug/deps/libarrayvec-d40803a2033efc6a.rlib" "/opt/crater/target/debug/deps/libnodrop-e19287b067ca818f.rlib" "/opt/crater/target/debug/deps/libocl_core-68a3717ebb0e94e7.rlib" "/opt/crater/target/debug/deps/libcl_sys-3b873151834568ab.rlib" "/opt/crater/target/debug/deps/libocl_core_vector-f109d1faf0e27527.rlib" "/opt/crater/target/debug/deps/libnum-856300d5c8ff7004.rlib" "/opt/crater/target/debug/deps/libnum_rational-02947c015cb2a643.rlib" "/opt/crater/target/debug/deps/libnum_bigint-c84a09864b624ee2.rlib" "/opt/crater/target/debug/deps/librand-a846b561fbcde11d.rlib" "/opt/crater/target/debug/deps/libnum_iter-0c8659a8f809443e.rlib" "/opt/crater/target/debug/deps/libnum_integer-cce6867c2692568c.rlib" "/opt/crater/target/debug/deps/libnum_complex-9e90a64ae298c9ab.rlib" "/opt/crater/target/debug/deps/librustc_serialize-fc0a027b4489f806.rlib" "/opt/crater/target/debug/deps/libenum_primitive-5612a07d9fa5b2fb.rlib" "/opt/crater/target/debug/deps/libnum_traits-6d0e9be18e807676.rlib" "/opt/crater/target/debug/deps/libbitflags-67998902f09e32c1.rlib" "/opt/crater/target/debug/deps/libfailure-baffa7324641ea06.rlib" "/opt/crater/target/debug/deps/libbacktrace-22e2e850e21f6ec7.rlib" "/opt/crater/target/debug/deps/libbacktrace_sys-a1f02eda04dbb7b8.rlib" "/opt/crater/target/debug/deps/librustc_demangle-72fbb793df665fc0.rlib" "/opt/crater/target/debug/deps/libcfg_if-c978b2f886ff1de7.rlib" "/opt/crater/target/debug/deps/liblibc-77ac96e88d0cb9e6.rlib" "/opt/crater/target/debug/deps/libfutures-8019b69d286f68c6.rlib" "/opt/crater/target/debug/deps/libnum_traits-d64e82a3a81baf0f.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" "-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 `test_ocl`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "3a95b2c2b9fcc6a0e0e8fd80d31cc3764145ca7fb53e08886e26f810681dce18"`
[INFO] running `"docker" "rm" "-f" "3a95b2c2b9fcc6a0e0e8fd80d31cc3764145ca7fb53e08886e26f810681dce18"`
[INFO] [stdout] 3a95b2c2b9fcc6a0e0e8fd80d31cc3764145ca7fb53e08886e26f810681dce18