[INFO] cloning repository yourowncrypto/ocl
[INFO] running `"git" "clone" "--bare" "git://github.com/yourowncrypto/ocl.git" "work/cache/sources/gh/yourowncrypto/ocl"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/yourowncrypto/ocl'...
[INFO] running `"git" "clone" "work/cache/sources/gh/yourowncrypto/ocl" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/yourowncrypto/ocl"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/yourowncrypto/ocl'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/yourowncrypto/ocl" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/yourowncrypto/ocl"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/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 master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of yourowncrypto/ocl on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "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/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ocl v0.19.1
[INFO] [stderr]   Downloaded ocl-core v0.10.0
[INFO] [stderr]   Downloaded cl-sys v0.4.1
[INFO] [stderr]   Downloaded qutex v0.2.1
[INFO] [stderr]   Downloaded ocl-core-vector v0.1.0
[INFO] [stderr]   Downloaded syn v0.15.20
[INFO] [stderr]   Downloaded proc-macro2 v0.4.23
[INFO] [stderr]   Downloaded hashbrown v0.1.6
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] testing yourowncrypto/ocl against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-5/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/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=forbid" "-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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"`
[INFO] [stdout] c52f91058f4923acfb9c6f6d515be9b11602a4dca7fc55160fd31a9555004724
[INFO] running `"docker" "start" "-a" "c52f91058f4923acfb9c6f6d515be9b11602a4dca7fc55160fd31a9555004724"`
[INFO] [stderr]    Compiling proc-macro2 v0.4.23
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling rustc-demangle v0.1.9
[INFO] [stderr]    Compiling cl-sys v0.4.1
[INFO] [stderr]    Compiling crossbeam v0.3.2
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling byteorder v1.2.7
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling hashbrown v0.1.6
[INFO] [stderr]    Compiling qutex v0.2.1
[INFO] [stderr]    Compiling ocl-core v0.10.0
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling syn v0.15.20
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling num-bigint v0.1.44
[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 v0.10.1
[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/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/ocl-59eeb4f2f9b029e7.ocl.elu4rzph-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/ocl-59eeb4f2f9b029e7.ocl.elu4rzph-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/ocl-59eeb4f2f9b029e7.ocl.elu4rzph-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/ocl-59eeb4f2f9b029e7.ocl.elu4rzph-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/ocl-59eeb4f2f9b029e7.ocl.elu4rzph-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/ocl-59eeb4f2f9b029e7.ocl.elu4rzph-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/ocl-59eeb4f2f9b029e7.ocl.elu4rzph-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/ocl-59eeb4f2f9b029e7.ocl.elu4rzph-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/ocl-59eeb4f2f9b029e7.ocl.elu4rzph-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/ocl-59eeb4f2f9b029e7.ocl.elu4rzph-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/ocl-59eeb4f2f9b029e7.ocl.elu4rzph-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/ocl-59eeb4f2f9b029e7.ocl.elu4rzph-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/ocl-59eeb4f2f9b029e7.ocl.elu4rzph-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/ocl-59eeb4f2f9b029e7.ocl.elu4rzph-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/ocl-59eeb4f2f9b029e7.ocl.elu4rzph-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/ocl-59eeb4f2f9b029e7.ocl.elu4rzph-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/ocl-59eeb4f2f9b029e7" "/opt/crater/target/debug/deps/ocl-59eeb4f2f9b029e7.3e6a1n5zxdsjr9sl.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-b74c9a79043ea96a/out" "-L" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libocl-ec88e227fcd1962a.rlib" "/opt/crater/target/debug/deps/libqutex-72312cf4b39396a2.rlib" "/opt/crater/target/debug/deps/libcrossbeam-013e50c7644d1899.rlib" "/opt/crater/target/debug/deps/libnodrop-a0ce19972910edec.rlib" "/opt/crater/target/debug/deps/libocl_core-a3e926f212218100.rlib" "/opt/crater/target/debug/deps/libcl_sys-ee3543c9aa225da4.rlib" "/opt/crater/target/debug/deps/libocl_core_vector-d798932220bd8999.rlib" "/opt/crater/target/debug/deps/libnum-e0bf8cd4f2bc9c5b.rlib" "/opt/crater/target/debug/deps/libnum_rational-4cc209defd398683.rlib" "/opt/crater/target/debug/deps/libnum_bigint-555406e6be3fdc19.rlib" "/opt/crater/target/debug/deps/librand-448223397806760a.rlib" "/opt/crater/target/debug/deps/libnum_iter-4c2592bdcf755dee.rlib" "/opt/crater/target/debug/deps/libnum_integer-9488503a36788878.rlib" "/opt/crater/target/debug/deps/libnum_complex-351e3e2acc4ae324.rlib" "/opt/crater/target/debug/deps/librustc_serialize-8a040fe30a914780.rlib" "/opt/crater/target/debug/deps/libenum_primitive-de4f137de325f30d.rlib" "/opt/crater/target/debug/deps/libnum_traits-3ddae8d9f1a9ed22.rlib" "/opt/crater/target/debug/deps/libbitflags-2da86ef0b219352b.rlib" "/opt/crater/target/debug/deps/libfailure-66b4a8685ff780b7.rlib" "/opt/crater/target/debug/deps/libbacktrace-ccbae9d8ffb648cc.rlib" "/opt/crater/target/debug/deps/libbacktrace_sys-8983550585e6c9da.rlib" "/opt/crater/target/debug/deps/librustc_demangle-6a89ec7437784313.rlib" "/opt/crater/target/debug/deps/libcfg_if-8e8ec56c3bb25549.rlib" "/opt/crater/target/debug/deps/liblibc-91bbfc7bb2170b01.rlib" "/opt/crater/target/debug/deps/libfutures-ffa028f4653318d8.rlib" "/opt/crater/target/debug/deps/libnum_traits-863ec76389318891.rlib" "/opt/crater/target/debug/deps/libhashbrown-6796c31bcf5fc9f0.rlib" "/opt/crater/target/debug/deps/libscopeguard-4f938876ba0f86be.rlib" "/opt/crater/target/debug/deps/libbyteorder-a1b3f55b8a40daf7.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-196d0eff8e603c0a.rlib" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-1c597f5941591e04.rlib" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-a20af2d3380aa511.rlib" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-f989f9e071798586.rlib" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-52fb60b932b5ef90.rlib" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-90a3fdc679697856.rlib" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-06d10270cfa51644.rlib" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-8abb913fca550f79.rlib" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-31fd2baab47b156c.rlib" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-0862cc65189bd4af.rlib" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-8010b8629f5aa3e5.rlib" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-2d032fe7d4e1e163.rlib" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-622fdce0dc084cba.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-a17fdd0a687135a8.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" "c52f91058f4923acfb9c6f6d515be9b11602a4dca7fc55160fd31a9555004724"`
[INFO] running `"docker" "rm" "-f" "c52f91058f4923acfb9c6f6d515be9b11602a4dca7fc55160fd31a9555004724"`
[INFO] [stdout] c52f91058f4923acfb9c6f6d515be9b11602a4dca7fc55160fd31a9555004724