[INFO] updating cached repository Limeth/gfxcomptest [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/Limeth/gfxcomptest [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/Limeth/gfxcomptest" "work/ex/beta-1.37-6/sources/1.36.0/gh/Limeth/gfxcomptest"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/Limeth/gfxcomptest'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/Limeth/gfxcomptest" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Limeth/gfxcomptest"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Limeth/gfxcomptest'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] ba3d0375f052452c8f07ffed103422c4520f8e76 [INFO] sha for GitHub repo Limeth/gfxcomptest: ba3d0375f052452c8f07ffed103422c4520f8e76 [INFO] validating manifest of Limeth/gfxcomptest 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 Limeth/gfxcomptest 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 Limeth/gfxcomptest [INFO] finished frobbing Limeth/gfxcomptest [INFO] frobbed toml for Limeth/gfxcomptest written to work/ex/beta-1.37-6/sources/1.36.0/gh/Limeth/gfxcomptest/Cargo.toml [INFO] started frobbing Limeth/gfxcomptest [INFO] finished frobbing Limeth/gfxcomptest [INFO] frobbed toml for Limeth/gfxcomptest written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Limeth/gfxcomptest/Cargo.toml [INFO] crate Limeth/gfxcomptest 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 Limeth/gfxcomptest 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-5/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/Limeth/gfxcomptest:/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] 986e00d461a106bd0b9b3b83e450adbc075a1424192966923360062745114e8a [INFO] running `"docker" "start" "-a" "986e00d461a106bd0b9b3b83e450adbc075a1424192966923360062745114e8a"` [INFO] [stderr] Compiling cl-sys v0.4.1 [INFO] [stderr] Compiling secp256k1 v0.9.0 [INFO] [stderr] Compiling qutex v0.2.1 [INFO] [stderr] Compiling rand v0.5.2 [INFO] [stderr] Compiling num-bigint v0.1.43 [INFO] [stderr] Compiling ocl-core v0.9.0 [INFO] [stderr] Compiling failure v0.1.1 [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 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 gfxcomptest v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `std::os::raw::c_char` [INFO] [stderr] --> src/context.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use std::os::raw::c_char; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::os::raw::c_void` [INFO] [stderr] --> src/context.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use std::os::raw::c_void; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::convert::From` [INFO] [stderr] --> src/context.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use std::convert::From; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused macro definition [INFO] [stderr] --> src/context.rs:12:1 [INFO] [stderr] | [INFO] [stderr] 12 | / macro_rules! debug { [INFO] [stderr] 13 | | ($platform:expr, $name:expr, $expr:expr) => { [INFO] [stderr] 14 | | println!("[{}]\t{}:\t{:x}\t{}", $platform, $name, $expr, $expr); [INFO] [stderr] 15 | | } [INFO] [stderr] 16 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_macros)] on by default [INFO] [stderr] [INFO] [stderr] warning: type `secp256k1_context` should have an upper camel case name [INFO] [stderr] --> src/context.rs:182:10 [INFO] [stderr] | [INFO] [stderr] 182 | pub type secp256k1_context = secp256k1_context_struct; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `Secp256k1Context` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_camel_case_types)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::thread` [INFO] [stderr] --> src/main.rs:25:5 [INFO] [stderr] | [INFO] [stderr] 25 | use std::thread; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::time::Duration` [INFO] [stderr] --> src/main.rs:26:5 [INFO] [stderr] | [INFO] [stderr] 26 | use std::time::Duration; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around assigned value [INFO] [stderr] --> src/main.rs:284:35 [INFO] [stderr] | [INFO] [stderr] 284 | let global_work_size_linear = (global_work_size[0] * global_work_size[1] * global_work_size[2]); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_parens)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `max_work_item_dimensions` [INFO] [stderr] --> src/main.rs:278:9 [INFO] [stderr] | [INFO] [stderr] 278 | let max_work_item_dimensions = device_info!(context, device_index, MaxWorkItemDimensions); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_max_work_item_dimensions` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `max_work_item_sizes` [INFO] [stderr] --> src/main.rs:280:9 [INFO] [stderr] | [INFO] [stderr] 280 | let max_work_item_sizes = device_info!(context, device_index, MaxWorkItemSizes); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_max_work_item_sizes` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `work_item` [INFO] [stderr] --> src/main.rs:414:9 [INFO] [stderr] | [INFO] [stderr] 414 | for work_item in 0..global_work_size_linear { [INFO] [stderr] | ^^^^^^^^^ help: consider prefixing with an underscore: `_work_item` [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `USE_ENDOMORPHISM` [INFO] [stderr] --> src/context.rs:19:1 [INFO] [stderr] | [INFO] [stderr] 19 | const USE_ENDOMORPHISM: bool = true; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: type alias is never used: `secp256k1_context` [INFO] [stderr] --> src/context.rs:182:1 [INFO] [stderr] | [INFO] [stderr] 182 | pub type secp256k1_context = secp256k1_context_struct; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `transmute_ctx` [INFO] [stderr] --> src/context.rs:205:5 [INFO] [stderr] | [INFO] [stderr] 205 | unsafe fn transmute_ctx(&self) -> &secp256k1_context { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `hexdump` [INFO] [stderr] --> src/context.rs:209:5 [INFO] [stderr] | [INFO] [stderr] 209 | fn hexdump(pointer: *mut T, len: usize) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `MRG32K3A_SEEDS_LEN` [INFO] [stderr] --> src/main.rs:32:1 [INFO] [stderr] | [INFO] [stderr] 32 | const MRG32K3A_SEEDS_LEN: usize = 6; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `M1` [INFO] [stderr] --> src/main.rs:34:1 [INFO] [stderr] | [INFO] [stderr] 34 | const M1: u64 = 4294967087; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `M2` [INFO] [stderr] --> src/main.rs:35:1 [INFO] [stderr] | [INFO] [stderr] 35 | const M2: u64 = 4294944443; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `from` [INFO] [stderr] --> src/main.rs:120:5 [INFO] [stderr] | [INFO] [stderr] 120 | fn from(seeds: &[u64; MRG32K3A_SEEDS_LEN]) -> Result { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `random` [INFO] [stderr] --> src/main.rs:149:5 [INFO] [stderr] | [INFO] [stderr] 149 | fn random(rng: &mut R) -> Self { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `slice_to_spatial_dims` [INFO] [stderr] --> src/main.rs:255:1 [INFO] [stderr] | [INFO] [stderr] 255 | fn slice_to_spatial_dims(slice: &[usize]) -> SpatialDims { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:230:9 [INFO] [stderr] | [INFO] [stderr] 230 | exec_device(ctx_arg, chunks.clone(), context.clone(), device_index, *device_id, &patterns_by_length); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [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/gfxcomptest-02dded6f6884b44a.gfxcomptest.cqy6y3ed-cgu.0.rcgu.o" 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"/opt/crater/target/debug/deps/librand-6d42bec5739d5eab.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_complex-31806c2302cc8a54.rlib" "/opt/crater/target/debug/deps/librustc_serialize-349ba31664dfb847.rlib" "/opt/crater/target/debug/deps/libenum_primitive-d25205b03f634153.rlib" "/opt/crater/target/debug/deps/libnum_traits-6dd770e133d0b829.rlib" "/opt/crater/target/debug/deps/libbitflags-c8c60b0ee6ae609a.rlib" "/opt/crater/target/debug/deps/libfailure-580bbee5055999f9.rlib" "/opt/crater/target/debug/deps/libbacktrace-bd8abd0a114cf36d.rlib" "/opt/crater/target/debug/deps/libbacktrace_sys-0338b50db9d6580f.rlib" "/opt/crater/target/debug/deps/librustc_demangle-8a1b2caa5e80a574.rlib" "/opt/crater/target/debug/deps/libcfg_if-e77f5c4458926ef5.rlib" "/opt/crater/target/debug/deps/liblibc-7b678f4dbafdcd48.rlib" "/opt/crater/target/debug/deps/libfutures-cfc3bc29a16ed034.rlib" "/opt/crater/target/debug/deps/libnum_traits-06a094434807548d.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 `gfxcomptest`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "986e00d461a106bd0b9b3b83e450adbc075a1424192966923360062745114e8a"` [INFO] running `"docker" "rm" "-f" "986e00d461a106bd0b9b3b83e450adbc075a1424192966923360062745114e8a"` [INFO] [stdout] 986e00d461a106bd0b9b3b83e450adbc075a1424192966923360062745114e8a