[INFO] updating cached repository PlasmaPower/nano-vanity
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/PlasmaPower/nano-vanity
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/PlasmaPower/nano-vanity" "work/ex/beta-1.37-6/sources/1.36.0/gh/PlasmaPower/nano-vanity"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/PlasmaPower/nano-vanity'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/PlasmaPower/nano-vanity" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/PlasmaPower/nano-vanity"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/PlasmaPower/nano-vanity'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f953a301a904648f59e006a7fbfce7e3086ff7f7
[INFO] sha for GitHub repo PlasmaPower/nano-vanity: f953a301a904648f59e006a7fbfce7e3086ff7f7
[INFO] validating manifest of PlasmaPower/nano-vanity 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 PlasmaPower/nano-vanity 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 PlasmaPower/nano-vanity
[INFO] finished frobbing PlasmaPower/nano-vanity
[INFO] frobbed toml for PlasmaPower/nano-vanity written to work/ex/beta-1.37-6/sources/1.36.0/gh/PlasmaPower/nano-vanity/Cargo.toml
[INFO] started frobbing PlasmaPower/nano-vanity
[INFO] finished frobbing PlasmaPower/nano-vanity
[INFO] frobbed toml for PlasmaPower/nano-vanity written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/PlasmaPower/nano-vanity/Cargo.toml
[INFO] crate PlasmaPower/nano-vanity 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 PlasmaPower/nano-vanity 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-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/PlasmaPower/nano-vanity:/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] ea27c66b1ce877745b8e1d6b9e585d425034e58fec24d8b2eb5ea59ce7255f2a
[INFO] running `"docker" "start" "-a" "ea27c66b1ce877745b8e1d6b9e585d425034e58fec24d8b2eb5ea59ce7255f2a"`
[INFO] [stderr]    Compiling subtle v1.0.0
[INFO] [stderr]    Compiling byteorder v1.2.7
[INFO] [stderr]    Compiling clear_on_drop v0.2.3
[INFO] [stderr]    Compiling num-complex v0.1.42
[INFO] [stderr]    Compiling qutex v0.2.0
[INFO] [stderr]    Compiling num-bigint v0.1.43
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling cl-sys v0.4.1
[INFO] [stderr]    Compiling rand v0.6.1
[INFO] [stderr]    Compiling clap v2.30.0
[INFO] [stderr]    Compiling blake2 v0.7.0
[INFO] [stderr]    Compiling failure v0.1.1
[INFO] [stderr]    Compiling curve25519-dalek v0.20.0
[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 curve25519-dalek v1.0.1
[INFO] [stderr]    Compiling ed25519-dalek v0.8.1
[INFO] [stderr]    Compiling ocl-core v0.9.0
[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] 
[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] 
[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] 
[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] 
[INFO] [stderr]    Compiling nano-vanity v0.4.8 (/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/nano_vanity-9e77c0dee4937e5e.nano_vanity.4tk7j8ia-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/nano_vanity-9e77c0dee4937e5e.nano_vanity.4tk7j8ia-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/nano_vanity-9e77c0dee4937e5e.nano_vanity.4tk7j8ia-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/nano_vanity-9e77c0dee4937e5e.nano_vanity.4tk7j8ia-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/nano_vanity-9e77c0dee4937e5e.nano_vanity.4tk7j8ia-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/nano_vanity-9e77c0dee4937e5e.nano_vanity.4tk7j8ia-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/nano_vanity-9e77c0dee4937e5e.nano_vanity.4tk7j8ia-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/nano_vanity-9e77c0dee4937e5e.nano_vanity.4tk7j8ia-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/nano_vanity-9e77c0dee4937e5e.nano_vanity.4tk7j8ia-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/nano_vanity-9e77c0dee4937e5e.nano_vanity.4tk7j8ia-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/nano_vanity-9e77c0dee4937e5e.nano_vanity.4tk7j8ia-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/nano_vanity-9e77c0dee4937e5e.nano_vanity.4tk7j8ia-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/nano_vanity-9e77c0dee4937e5e.nano_vanity.4tk7j8ia-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/nano_vanity-9e77c0dee4937e5e.nano_vanity.4tk7j8ia-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/nano_vanity-9e77c0dee4937e5e.nano_vanity.4tk7j8ia-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/nano_vanity-9e77c0dee4937e5e.nano_vanity.4tk7j8ia-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/nano_vanity-9e77c0dee4937e5e" "/opt/crater/target/debug/deps/nano_vanity-9e77c0dee4937e5e.nrd685aar0fp1ri.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/target/debug/build/clear_on_drop-e344714d21b131cd/out" "-L" "/opt/crater/target/debug/build/backtrace-sys-76a978476bdbde9b/out/.libs" "-L" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libocl-d8ca7a8f0e2cd5a5.rlib" "/opt/crater/target/debug/deps/libqutex-f500bbca26993fd2.rlib" "/opt/crater/target/debug/deps/libcrossbeam-afeb664edf309719.rlib" "/opt/crater/target/debug/deps/libnodrop-8a7d8c0bc1ccbc8a.rlib" "/opt/crater/target/debug/deps/libocl_core-c64a61429d657292.rlib" "/opt/crater/target/debug/deps/libcl_sys-2067dc352b019f9c.rlib" "/opt/crater/target/debug/deps/libocl_core_vector-3d67b1f3ae819e41.rlib" "/opt/crater/target/debug/deps/libnum-83e2c48e55b43801.rlib" "/opt/crater/target/debug/deps/libnum_rational-c75cc965ff9c1ba4.rlib" "/opt/crater/target/debug/deps/libnum_iter-ed6d9b86184a5768.rlib" "/opt/crater/target/debug/deps/libnum_complex-c411bfe3045ab44b.rlib" "/opt/crater/target/debug/deps/libenum_primitive-ef9d66e9313312e9.rlib" "/opt/crater/target/debug/deps/libnum_traits-676f5cbea97d2da9.rlib" "/opt/crater/target/debug/deps/libfutures-e9e3e5e5aaa6742e.rlib" "/opt/crater/target/debug/deps/libnum_bigint-197932a8d9412132.rlib" "/opt/crater/target/debug/deps/libnum_integer-ec772da9f1bcb2ab.rlib" "/opt/crater/target/debug/deps/libnum_traits-a85ee5cde2084140.rlib" "/opt/crater/target/debug/deps/librustc_serialize-04f5d71c016b4cf1.rlib" "/opt/crater/target/debug/deps/librand-fbc907530e0dac69.rlib" "/opt/crater/target/debug/deps/libnum_cpus-08e95eff913b9d35.rlib" "/opt/crater/target/debug/deps/libhex-61c50316003cc1b4.rlib" "/opt/crater/target/debug/deps/libed25519_dalek-143cec5e326d4ebe.rlib" "/opt/crater/target/debug/deps/libfailure-59ae0f37c46944b9.rlib" "/opt/crater/target/debug/deps/libbacktrace-fa07dacb5fb7deb8.rlib" "/opt/crater/target/debug/deps/libbacktrace_sys-9d5dffe8e417f0a9.rlib" "/opt/crater/target/debug/deps/librustc_demangle-ae6c68b876f2f0db.rlib" "/opt/crater/target/debug/deps/libcfg_if-d91c3b4a47d9636f.rlib" "/opt/crater/target/debug/deps/libcurve25519_dalek-5a7dcc2653a8cd81.rlib" "/opt/crater/target/debug/deps/libsubtle-95d477ab09306458.rlib" "/opt/crater/target/debug/deps/librand-2011a68af7df1aba.rlib" "/opt/crater/target/debug/deps/librand_core-c6cd28e15b93a790.rlib" "/opt/crater/target/debug/deps/libclap-9837f3b020a0444a.rlib" "/opt/crater/target/debug/deps/libvec_map-0f1c6d0ab39b4a0b.rlib" "/opt/crater/target/debug/deps/libtextwrap-a5a738f089eccbc4.rlib" "/opt/crater/target/debug/deps/libunicode_width-003ecf1eefa64fd0.rlib" "/opt/crater/target/debug/deps/libstrsim-e16dede6f67e1ca9.rlib" "/opt/crater/target/debug/deps/libbitflags-059a52e34f06c077.rlib" "/opt/crater/target/debug/deps/libatty-4c975067fa96fc57.rlib" "/opt/crater/target/debug/deps/libansi_term-3af884e2ed431624.rlib" "/opt/crater/target/debug/deps/libblake2-cede9422ab625357.rlib" "/opt/crater/target/debug/deps/libcrypto_mac-6d5f476075d85efb.rlib" "/opt/crater/target/debug/deps/libconstant_time_eq-78ff1562e2fe8d7e.rlib" "/opt/crater/target/debug/deps/libdigest-dc1c4acac11ecf43.rlib" "/opt/crater/target/debug/deps/libgeneric_array-a8b2c742ad6577c4.rlib" "/opt/crater/target/debug/deps/libbyte_tools-78081079ebec2a9c.rlib" "/opt/crater/target/debug/deps/libcurve25519_dalek-8adc47552cd9c36e.rlib" "/opt/crater/target/debug/deps/libsubtle-671ee6bcc9de5046.rlib" "/opt/crater/target/debug/deps/libdigest-69d720f9375a0013.rlib" "/opt/crater/target/debug/deps/libgeneric_array-7134d1104620e18f.rlib" "/opt/crater/target/debug/deps/libtypenum-be6af725131bb938.rlib" "/opt/crater/target/debug/deps/libbyteorder-1823163242697d37.rlib" "/opt/crater/target/debug/deps/libclear_on_drop-407e73b6832dc2fb.rlib" "/opt/crater/target/debug/deps/librand-fcf2dca85d67392f.rlib" "/opt/crater/target/debug/deps/liblibc-c0c224030ba918a8.rlib" "/opt/crater/target/debug/deps/librand_xorshift-bbbe4e8ffe67084e.rlib" "/opt/crater/target/debug/deps/librand_pcg-f29c26a56b885d05.rlib" "/opt/crater/target/debug/deps/librand_hc-32789aa1221b79dd.rlib" "/opt/crater/target/debug/deps/librand_chacha-8f926b26ff31dbf4.rlib" "/opt/crater/target/debug/deps/librand_isaac-26d9168d0f927839.rlib" "/opt/crater/target/debug/deps/librand_core-0c44ab40b4775c1d.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 `nano-vanity`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "ea27c66b1ce877745b8e1d6b9e585d425034e58fec24d8b2eb5ea59ce7255f2a"`
[INFO] running `"docker" "rm" "-f" "ea27c66b1ce877745b8e1d6b9e585d425034e58fec24d8b2eb5ea59ce7255f2a"`
[INFO] [stdout] ea27c66b1ce877745b8e1d6b9e585d425034e58fec24d8b2eb5ea59ce7255f2a