[INFO] updating cached repository hegza/vcn-inference-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/hegza/vcn-inference-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/hegza/vcn-inference-rs" "work/ex/beta-1.37-6/sources/1.36.0/gh/hegza/vcn-inference-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/hegza/vcn-inference-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/hegza/vcn-inference-rs" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/hegza/vcn-inference-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/hegza/vcn-inference-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 44aa1d5a583239b6a535cce9bc97edf0dc71d573
[INFO] sha for GitHub repo hegza/vcn-inference-rs: 44aa1d5a583239b6a535cce9bc97edf0dc71d573
[INFO] validating manifest of hegza/vcn-inference-rs 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 hegza/vcn-inference-rs 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 hegza/vcn-inference-rs
[INFO] finished frobbing hegza/vcn-inference-rs
[INFO] frobbed toml for hegza/vcn-inference-rs written to work/ex/beta-1.37-6/sources/1.36.0/gh/hegza/vcn-inference-rs/Cargo.toml
[INFO] started frobbing hegza/vcn-inference-rs
[INFO] finished frobbing hegza/vcn-inference-rs
[INFO] frobbed toml for hegza/vcn-inference-rs written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/hegza/vcn-inference-rs/Cargo.toml
[INFO] crate hegza/vcn-inference-rs 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 hegza/vcn-inference-rs against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/hegza/vcn-inference-rs:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 7ccaf535df369546ba92403711ced7b681fbbad38ff1798d1764e46baf714a23
[INFO] running `"docker" "start" "-a" "7ccaf535df369546ba92403711ced7b681fbbad38ff1798d1764e46baf714a23"`
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]    Compiling cl-sys v0.4.2
[INFO] [stderr]    Compiling ndarray v0.12.1
[INFO] [stderr]    Compiling regex v1.1.2
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]    Compiling qutex v0.2.1
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling ocl-core v0.11.1
[INFO] [stderr]    Compiling noisy_float v0.1.9
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling alga v0.5.4
[INFO] [stderr]    Compiling syn v0.15.27
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling png v0.14.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling ocl-core-vector v0.1.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling env_logger v0.6.0
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling num-derive v0.2.4
[INFO] [stderr]    Compiling serde_derive v1.0.89
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling tiff v0.2.2
[INFO] [stderr]    Compiling image v0.21.0
[INFO] [stderr]    Compiling ocl v0.19.2
[INFO] [stderr]    Compiling sprs v0.6.3
[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] 
[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] 
[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] 
[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] 
[INFO] [stderr] warning[E0502]: cannot borrow `indptr` as immutable because it is also borrowed as mutable
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/sprs-0.6.3/src/sparse/triplet_iter.rs:122:26
[INFO] [stderr]     |
[INFO] [stderr] 122 |             indptr[i] += indptr[i - 1];
[INFO] [stderr]     |             -------------^^^^^^-------
[INFO] [stderr]     |             |            |
[INFO] [stderr]     |             |            immutable borrow occurs here
[INFO] [stderr]     |             mutable borrow occurs here
[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] 
[INFO] [stderr]    Compiling rusty-cnn v0.2.0 (/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/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/test_accuracy-61575d052e128ac6.test_accuracy.1k43aoq8-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/test_accuracy-61575d052e128ac6.test_accuracy.1k43aoq8-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/test_accuracy-61575d052e128ac6.test_accuracy.1k43aoq8-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/test_accuracy-61575d052e128ac6.test_accuracy.1k43aoq8-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/test_accuracy-61575d052e128ac6.test_accuracy.1k43aoq8-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/test_accuracy-61575d052e128ac6.test_accuracy.1k43aoq8-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/test_accuracy-61575d052e128ac6.test_accuracy.1k43aoq8-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/test_accuracy-61575d052e128ac6.test_accuracy.1k43aoq8-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/test_accuracy-61575d052e128ac6.test_accuracy.1k43aoq8-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/test_accuracy-61575d052e128ac6.test_accuracy.1k43aoq8-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/test_accuracy-61575d052e128ac6.test_accuracy.1k43aoq8-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/test_accuracy-61575d052e128ac6.test_accuracy.1k43aoq8-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/test_accuracy-61575d052e128ac6.test_accuracy.1k43aoq8-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/test_accuracy-61575d052e128ac6.test_accuracy.1k43aoq8-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/test_accuracy-61575d052e128ac6.test_accuracy.1k43aoq8-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/test_accuracy-61575d052e128ac6.test_accuracy.1k43aoq8-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/test_accuracy-61575d052e128ac6" "/opt/crater/target/debug/deps/test_accuracy-61575d052e128ac6.1afgo6h3jxqbezss.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" 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"/opt/crater/target/debug/deps/libscopeguard-f1a5efe88a6d7a2c.rlib" "/opt/crater/target/debug/deps/libmemoffset-97aaddce60f38adf.rlib" "/opt/crater/target/debug/deps/libcrossbeam_utils-470059432d00b79c.rlib" "/opt/crater/target/debug/deps/libarrayvec-a885b20b40051405.rlib" "/opt/crater/target/debug/deps/libnodrop-90387833d719732c.rlib" "/opt/crater/target/debug/deps/libscoped_threadpool-6d4da2a6693d38c4.rlib" "/opt/crater/target/debug/deps/libgif-31e7b7a6f3f51d41.rlib" "/opt/crater/target/debug/deps/libcolor_quant-8511fd5bfbc7d035.rlib" "/opt/crater/target/debug/deps/libsafe_transmute-352bf2a44b36699f.rlib" "/opt/crater/target/debug/deps/libnum_rational-7b88c7b67feb9c48.rlib" "/opt/crater/target/debug/deps/libnum_iter-a7210c4b115aa645.rlib" "/opt/crater/target/debug/deps/libnum_integer-b313e99b23f6e865.rlib" "/opt/crater/target/debug/deps/libnum_traits-cd98387e0f6e90f9.rlib" "/opt/crater/target/debug/deps/liblzw-f7952389a69c619d.rlib" "/opt/crater/target/debug/deps/libbyteorder-a25b209c708b793b.rlib" "/opt/crater/target/debug/deps/libenv_logger-bf0d0044ab9d5dc0.rlib" "/opt/crater/target/debug/deps/libregex-fb1ab35cc62d1b68.rlib" "/opt/crater/target/debug/deps/libutf8_ranges-b766f4dc9466fd20.rlib" "/opt/crater/target/debug/deps/libregex_syntax-25d5511838a611e8.rlib" "/opt/crater/target/debug/deps/libucd_util-317f57fa3d89c7e4.rlib" "/opt/crater/target/debug/deps/libthread_local-0d1f504ec86ae5ec.rlib" "/opt/crater/target/debug/deps/liblazy_static-35422c5bca3b6d90.rlib" "/opt/crater/target/debug/deps/libaho_corasick-6884406ce57fc45c.rlib" "/opt/crater/target/debug/deps/libmemchr-c7f5ba23e1c3312b.rlib" "/opt/crater/target/debug/deps/libatty-a00a73e01be74d9d.rlib" "/opt/crater/target/debug/deps/liblibc-3458370195cb45bd.rlib" "/opt/crater/target/debug/deps/libhumantime-11d84e47257e89b2.rlib" "/opt/crater/target/debug/deps/libquick_error-7b5d38789b0fbff0.rlib" "/opt/crater/target/debug/deps/libtermcolor-eeb9bd7e6dd3fa1e.rlib" "/opt/crater/target/debug/deps/liblog-93df77d03b6a7ebb.rlib" "/opt/crater/target/debug/deps/libcfg_if-def391c8994540a5.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-9895e8982b0a79e7.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-57306b8ed3378a0e.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-54463ae5adae3649.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-d99667b199a9875a.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-51f4300e102199f5.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-b3ccf1f7737a6a91.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-157c37a3ceb78853.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-505bcee45aafb736.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-c29abd529ba4452b.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-895383a3232f6572.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-5594cb4f559bc761.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-38e90baf978bc428.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 `rusty-cnn`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "7ccaf535df369546ba92403711ced7b681fbbad38ff1798d1764e46baf714a23"`
[INFO] running `"docker" "rm" "-f" "7ccaf535df369546ba92403711ced7b681fbbad38ff1798d1764e46baf714a23"`
[INFO] [stdout] 7ccaf535df369546ba92403711ced7b681fbbad38ff1798d1764e46baf714a23