[INFO] updating cached repository ddrscott/mandy-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ddrscott/mandy-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ddrscott/mandy-rs" "work/ex/beta-1.37-6/sources/1.36.0/gh/ddrscott/mandy-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/ddrscott/mandy-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ddrscott/mandy-rs" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ddrscott/mandy-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ddrscott/mandy-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5eb9d402eb815217f364f9db0ea72aa4c9298f7c
[INFO] sha for GitHub repo ddrscott/mandy-rs: 5eb9d402eb815217f364f9db0ea72aa4c9298f7c
[INFO] validating manifest of ddrscott/mandy-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 ddrscott/mandy-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 ddrscott/mandy-rs
[INFO] finished frobbing ddrscott/mandy-rs
[INFO] frobbed toml for ddrscott/mandy-rs written to work/ex/beta-1.37-6/sources/1.36.0/gh/ddrscott/mandy-rs/Cargo.toml
[INFO] started frobbing ddrscott/mandy-rs
[INFO] finished frobbing ddrscott/mandy-rs
[INFO] frobbed toml for ddrscott/mandy-rs written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ddrscott/mandy-rs/Cargo.toml
[INFO] crate ddrscott/mandy-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 ddrscott/mandy-rs 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-7/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/ddrscott/mandy-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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 8a1b25ef011854a24365bbd30eb2328521dfdb109d7a4afca0a087bdc3a27191
[INFO] running `"docker" "start" "-a" "8a1b25ef011854a24365bbd30eb2328521dfdb109d7a4afca0a087bdc3a27191"`
[INFO] [stderr]    Compiling cl-sys v0.4.1
[INFO] [stderr]    Compiling qutex v0.2.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling ocl-core v0.9.0
[INFO] [stderr]    Compiling png v0.11.0
[INFO] [stderr]    Compiling ocl-core-vector v0.1.0
[INFO] [stderr]    Compiling sdl2 v0.31.0
[INFO] [stderr]    Compiling failure v0.1.1
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]    Compiling rayon v1.0.1
[INFO] [stderr]    Compiling jpeg-decoder v0.1.14
[INFO] [stderr]    Compiling image v0.18.0
[INFO] [stderr]    Compiling ocl v0.18.0
[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-0.18.0/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-0.18.0/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-0.18.0/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-0.18.0/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 mandy 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/mandy-e92442b7df82a401.mandy.1zc4xfab-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/mandy-e92442b7df82a401.mandy.1zc4xfab-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/mandy-e92442b7df82a401.mandy.1zc4xfab-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/mandy-e92442b7df82a401.mandy.1zc4xfab-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/mandy-e92442b7df82a401.mandy.1zc4xfab-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/mandy-e92442b7df82a401.mandy.1zc4xfab-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/mandy-e92442b7df82a401.mandy.1zc4xfab-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/mandy-e92442b7df82a401.mandy.1zc4xfab-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/mandy-e92442b7df82a401.mandy.1zc4xfab-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/mandy-e92442b7df82a401.mandy.1zc4xfab-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/mandy-e92442b7df82a401.mandy.1zc4xfab-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/mandy-e92442b7df82a401.mandy.1zc4xfab-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/mandy-e92442b7df82a401.mandy.1zc4xfab-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/mandy-e92442b7df82a401.mandy.1zc4xfab-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/mandy-e92442b7df82a401.mandy.1zc4xfab-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/mandy-e92442b7df82a401.mandy.1zc4xfab-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/mandy-e92442b7df82a401" "/opt/crater/target/debug/deps/mandy-e92442b7df82a401.bxcx4e5qt9w2n5v.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-12b4dbd8652537d7/out/.libs" "-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/libsdl2-5dae33a0f379bb1c.rlib" "/opt/crater/target/debug/deps/librand-eeb22f88090397c4.rlib" "/opt/crater/target/debug/deps/libsdl2_sys-dae122f2b869a333.rlib" "/opt/crater/target/debug/deps/libbitflags-e424d0a7dda42873.rlib" "/opt/crater/target/debug/deps/liblazy_static-0e1e36676eed3924.rlib" "/opt/crater/target/debug/deps/libocl-74b81f8a347dd8d8.rlib" "/opt/crater/target/debug/deps/libqutex-777962e2ce7222e3.rlib" "/opt/crater/target/debug/deps/libcrossbeam-f829e8abab7adb97.rlib" "/opt/crater/target/debug/deps/libocl_core-bddada595b5c6fa4.rlib" "/opt/crater/target/debug/deps/libcl_sys-9dde9ce6ca51c64b.rlib" "/opt/crater/target/debug/deps/libocl_core_vector-a7f1ae18212c98c8.rlib" "/opt/crater/target/debug/deps/libnum-111779be8dc3cca4.rlib" "/opt/crater/target/debug/deps/libnum_complex-31806c2302cc8a54.rlib" "/opt/crater/target/debug/deps/libfailure-184f81bef995cb0e.rlib" "/opt/crater/target/debug/deps/libbacktrace-8f1488f43bc7491f.rlib" "/opt/crater/target/debug/deps/libbacktrace_sys-4db825072092d9e3.rlib" "/opt/crater/target/debug/deps/librustc_demangle-79626f5168b8e1a0.rlib" "/opt/crater/target/debug/deps/libfutures-cfc3bc29a16ed034.rlib" "/opt/crater/target/debug/deps/libimage-ffcb51c30497ee0d.rlib" "/opt/crater/target/debug/deps/libscoped_threadpool-840c5083dfb1a3e8.rlib" "/opt/crater/target/debug/deps/libgif-bbb099fa739f3e8f.rlib" "/opt/crater/target/debug/deps/libcolor_quant-6e891fcbc9841ec8.rlib" "/opt/crater/target/debug/deps/liblzw-0ccf98a99dabc5af.rlib" "/opt/crater/target/debug/deps/libjpeg_decoder-b01efd833467d3bb.rlib" "/opt/crater/target/debug/deps/librayon-0f59f875eea4912a.rlib" "/opt/crater/target/debug/deps/libeither-88c841192ea25aec.rlib" "/opt/crater/target/debug/deps/librayon_core-b1bbb9e3f896a298.rlib" "/opt/crater/target/debug/deps/libnum_cpus-bb1515fcdc5f1f76.rlib" "/opt/crater/target/debug/deps/libcrossbeam_deque-b6b0314156cff7fc.rlib" "/opt/crater/target/debug/deps/libcrossbeam_epoch-04c34c21c9acec14.rlib" "/opt/crater/target/debug/deps/libscopeguard-afc08b825b950866.rlib" "/opt/crater/target/debug/deps/libmemoffset-ef971ccc3957ca71.rlib" "/opt/crater/target/debug/deps/liblazy_static-485b4eff69038ce0.rlib" "/opt/crater/target/debug/deps/libcrossbeam_utils-cc60ad5b82dc8476.rlib" "/opt/crater/target/debug/deps/libcfg_if-af8485a38956c1b4.rlib" "/opt/crater/target/debug/deps/libarrayvec-cf7fc76e06ad896f.rlib" "/opt/crater/target/debug/deps/libnodrop-d84e124200a37cb9.rlib" "/opt/crater/target/debug/deps/libpng-65e707814a479cc1.rlib" "/opt/crater/target/debug/deps/libdeflate-1b96cde603de5bd8.rlib" "/opt/crater/target/debug/deps/libinflate-5bb75425dce19d1b.rlib" "/opt/crater/target/debug/deps/libadler32-61790c89f1162fe4.rlib" "/opt/crater/target/debug/deps/libenum_primitive-d25205b03f634153.rlib" "/opt/crater/target/debug/deps/libnum_traits-6dd770e133d0b829.rlib" "/opt/crater/target/debug/deps/libnum_rational-09f456c007497972.rlib" "/opt/crater/target/debug/deps/libnum_bigint-3783ffda2529d125.rlib" "/opt/crater/target/debug/deps/librand-6d42bec5739d5eab.rlib" "/opt/crater/target/debug/deps/librustc_serialize-349ba31664dfb847.rlib" "/opt/crater/target/debug/deps/libnum_iter-ec7dd63ef62bed04.rlib" "/opt/crater/target/debug/deps/libnum_integer-c154b338f9cb00bc.rlib" "/opt/crater/target/debug/deps/libnum_traits-06a094434807548d.rlib" "/opt/crater/target/debug/deps/libbyteorder-32a082924226305d.rlib" "/opt/crater/target/debug/deps/libfind_folder-bb792b82d7516240.rlib" "/opt/crater/target/debug/deps/libclap-920e4c052967c2b0.rlib" "/opt/crater/target/debug/deps/libvec_map-28d381902bbfbe40.rlib" "/opt/crater/target/debug/deps/libtextwrap-5ad3504247ac8501.rlib" "/opt/crater/target/debug/deps/libunicode_width-9160dad23804e44f.rlib" "/opt/crater/target/debug/deps/libstrsim-1fb548c623033a78.rlib" "/opt/crater/target/debug/deps/libbitflags-830829b20e90b150.rlib" "/opt/crater/target/debug/deps/libatty-144afd895152a675.rlib" "/opt/crater/target/debug/deps/liblibc-7b678f4dbafdcd48.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 `mandy`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "8a1b25ef011854a24365bbd30eb2328521dfdb109d7a4afca0a087bdc3a27191"`
[INFO] running `"docker" "rm" "-f" "8a1b25ef011854a24365bbd30eb2328521dfdb109d7a4afca0a087bdc3a27191"`
[INFO] [stdout] 8a1b25ef011854a24365bbd30eb2328521dfdb109d7a4afca0a087bdc3a27191