[INFO] updating cached repository yourowncrypto/ocl
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/yourowncrypto/ocl
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/yourowncrypto/ocl" "work/ex/beta-1.37-6/sources/1.36.0/gh/yourowncrypto/ocl"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/yourowncrypto/ocl'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/yourowncrypto/ocl" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/yourowncrypto/ocl"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/yourowncrypto/ocl'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c9ac2fedf991021073b4c5bec2378c77dd914982
[INFO] sha for GitHub repo yourowncrypto/ocl: c9ac2fedf991021073b4c5bec2378c77dd914982
[INFO] validating manifest of yourowncrypto/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 yourowncrypto/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 yourowncrypto/ocl
[INFO] finished frobbing yourowncrypto/ocl
[INFO] frobbed toml for yourowncrypto/ocl written to work/ex/beta-1.37-6/sources/1.36.0/gh/yourowncrypto/ocl/Cargo.toml
[INFO] started frobbing yourowncrypto/ocl
[INFO] finished frobbing yourowncrypto/ocl
[INFO] frobbed toml for yourowncrypto/ocl written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/yourowncrypto/ocl/Cargo.toml
[INFO] crate yourowncrypto/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] testing yourowncrypto/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-3/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/yourowncrypto/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] e0b14c4759e3c9e58290fcc0d00ff8c33e7aa8c3200437e6c36d6d99f458b8db
[INFO] running `"docker" "start" "-a" "e0b14c4759e3c9e58290fcc0d00ff8c33e7aa8c3200437e6c36d6d99f458b8db"`
[INFO] [stderr]    Compiling proc-macro2 v0.4.23
[INFO] [stderr]    Compiling cc v1.0.25
[INFO] [stderr]    Compiling cl-sys v0.4.1
[INFO] [stderr]    Compiling byteorder v1.2.7
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling qutex v0.2.1
[INFO] [stderr]    Compiling ocl-core v0.10.0
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling hashbrown v0.1.6
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling syn v0.15.20
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling ocl-core-vector v0.1.0
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]    Compiling failure v0.1.3
[INFO] [stderr]    Compiling ocl v0.19.1
[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-0.19.1/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-0.19.1/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-0.19.1/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-0.19.1/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 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/ocl-319253c200856f9a.ocl.9ee1nmsa-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/ocl-319253c200856f9a.ocl.9ee1nmsa-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/ocl-319253c200856f9a.ocl.9ee1nmsa-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/ocl-319253c200856f9a.ocl.9ee1nmsa-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/ocl-319253c200856f9a.ocl.9ee1nmsa-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/ocl-319253c200856f9a.ocl.9ee1nmsa-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/ocl-319253c200856f9a.ocl.9ee1nmsa-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/ocl-319253c200856f9a.ocl.9ee1nmsa-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/ocl-319253c200856f9a.ocl.9ee1nmsa-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/ocl-319253c200856f9a.ocl.9ee1nmsa-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/ocl-319253c200856f9a.ocl.9ee1nmsa-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/ocl-319253c200856f9a.ocl.9ee1nmsa-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/ocl-319253c200856f9a.ocl.9ee1nmsa-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/ocl-319253c200856f9a.ocl.9ee1nmsa-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/ocl-319253c200856f9a.ocl.9ee1nmsa-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/ocl-319253c200856f9a.ocl.9ee1nmsa-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/ocl-319253c200856f9a" "/opt/crater/target/debug/deps/ocl-319253c200856f9a.vztdgxfqfqa3zq4.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-039dcd218a0ae435/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/libocl-cc2e92f133f8b1e2.rlib" "/opt/crater/target/debug/deps/libqutex-c81da86d1456870e.rlib" "/opt/crater/target/debug/deps/libcrossbeam-f829e8abab7adb97.rlib" "/opt/crater/target/debug/deps/libnodrop-643c4878346759ac.rlib" "/opt/crater/target/debug/deps/libocl_core-4164f297c069e863.rlib" "/opt/crater/target/debug/deps/libcl_sys-1f3ee98d4c0eac2c.rlib" "/opt/crater/target/debug/deps/libocl_core_vector-6f6804f9816b70ff.rlib" "/opt/crater/target/debug/deps/libnum-483f7a5c7c047f7f.rlib" "/opt/crater/target/debug/deps/libnum_rational-e7a93423d757d6b0.rlib" "/opt/crater/target/debug/deps/libnum_bigint-42b5f4b892bced88.rlib" "/opt/crater/target/debug/deps/librand-ba0f7e3caa5ae6fa.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_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/libbitflags-e31ad08aaa94ea6a.rlib" "/opt/crater/target/debug/deps/libfailure-13c235e22690ad09.rlib" "/opt/crater/target/debug/deps/libbacktrace-4781d85258bd473a.rlib" "/opt/crater/target/debug/deps/libbacktrace_sys-54a14326a09cc4a9.rlib" "/opt/crater/target/debug/deps/librustc_demangle-6a28f170d1e5cc2e.rlib" "/opt/crater/target/debug/deps/libcfg_if-c1938f77dc3c8b6e.rlib" "/opt/crater/target/debug/deps/liblibc-7ef0ecc5d6f9b1d0.rlib" "/opt/crater/target/debug/deps/libfutures-a86a3e74af19c95f.rlib" "/opt/crater/target/debug/deps/libnum_traits-b0613bcbd790bfdc.rlib" "/opt/crater/target/debug/deps/libhashbrown-3bc9064c2701d1d2.rlib" "/opt/crater/target/debug/deps/libscopeguard-afc08b825b950866.rlib" "/opt/crater/target/debug/deps/libbyteorder-ce3e324d97d9d841.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" "-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 `ocl`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "e0b14c4759e3c9e58290fcc0d00ff8c33e7aa8c3200437e6c36d6d99f458b8db"`
[INFO] running `"docker" "rm" "-f" "e0b14c4759e3c9e58290fcc0d00ff8c33e7aa8c3200437e6c36d6d99f458b8db"`
[INFO] [stdout] e0b14c4759e3c9e58290fcc0d00ff8c33e7aa8c3200437e6c36d6d99f458b8db