[INFO] updating cached repository asypost/tcp-proxy-rust [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/asypost/tcp-proxy-rust [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/asypost/tcp-proxy-rust" "work/ex/beta-1.37-6/sources/1.36.0/gh/asypost/tcp-proxy-rust"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/asypost/tcp-proxy-rust'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/asypost/tcp-proxy-rust" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/asypost/tcp-proxy-rust"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/asypost/tcp-proxy-rust'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 0a9cbf42f2fcf3397f6b7ec3f5ae8fecfae07d52 [INFO] sha for GitHub repo asypost/tcp-proxy-rust: 0a9cbf42f2fcf3397f6b7ec3f5ae8fecfae07d52 [INFO] validating manifest of asypost/tcp-proxy-rust 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 asypost/tcp-proxy-rust 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 asypost/tcp-proxy-rust [INFO] finished frobbing asypost/tcp-proxy-rust [INFO] frobbed toml for asypost/tcp-proxy-rust written to work/ex/beta-1.37-6/sources/1.36.0/gh/asypost/tcp-proxy-rust/Cargo.toml [INFO] started frobbing asypost/tcp-proxy-rust [INFO] finished frobbing asypost/tcp-proxy-rust [INFO] frobbed toml for asypost/tcp-proxy-rust written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/asypost/tcp-proxy-rust/Cargo.toml [INFO] crate asypost/tcp-proxy-rust 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 asypost/tcp-proxy-rust 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-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/asypost/tcp-proxy-rust:/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] 041a79ddffcd1227827f1e85e29831d4e4b6839f74c2a0d2fbf794bf48cd5e92 [INFO] running `"docker" "start" "-a" "041a79ddffcd1227827f1e85e29831d4e4b6839f74c2a0d2fbf794bf48cd5e92"` [INFO] [stderr] Compiling cl-sys v0.4.1 [INFO] [stderr] Compiling rustc-demangle v0.1.6 [INFO] [stderr] Compiling crossbeam v0.3.2 [INFO] [stderr] Compiling nodrop v0.1.12 [INFO] [stderr] Compiling proxy v0.1.0 (/opt/crater/workdir) [INFO] [stderr] Compiling num-integer v0.1.36 [INFO] [stderr] Compiling num-traits v0.1.43 [INFO] [stderr] Compiling rand v0.4.2 [INFO] [stderr] Compiling num-complex v0.1.42 [INFO] [stderr] Compiling enum_primitive v0.1.1 [INFO] [stderr] Compiling ocl-core v0.8.0 [INFO] [stderr] Compiling threadpool v1.7.1 [INFO] [stderr] Compiling backtrace-sys v0.1.16 [INFO] [stderr] Compiling num-iter v0.1.35 [INFO] [stderr] Compiling backtrace v0.3.5 [INFO] [stderr] Compiling qutex v0.2.0 [INFO] [stderr] Compiling failure v0.1.1 [INFO] [stderr] Compiling num-bigint v0.1.43 [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 v0.17.0 [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-0.17.0/src/standard/buffer.rs:1606:13 [INFO] [stderr] | [INFO] [stderr] 1603 | let (offset, len, queue, flags, ewait, enew, /*is_mapped*/) = self.enq_details()?; [INFO] [stderr] | ---- mutable borrow occurs here [INFO] [stderr] ... [INFO] [stderr] 1606 | &self.cmd.buffer.obj_core, true, flags, offset, len, ewait, enew)?; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ immutable borrow occurs here [INFO] [stderr] ... [INFO] [stderr] 1611 | 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-0.17.0/src/standard/buffer.rs:1610:57 [INFO] [stderr] | [INFO] [stderr] 1603 | let (offset, len, queue, flags, ewait, enew, /*is_mapped*/) = self.enq_details()?; [INFO] [stderr] | ---- mutable borrow occurs here [INFO] [stderr] ... [INFO] [stderr] 1610 | Ok(MemMap::new(mm_core, len, None, unmap_event, self.cmd.buffer.obj_core.clone(), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ immutable borrow occurs here [INFO] [stderr] 1611 | 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-0.17.0/src/standard/buffer.rs:1632:13 [INFO] [stderr] | [INFO] [stderr] 1627 | let (offset, len, queue, flags, ewait, enew, /*is_mapped*/) = self.enq_details()?; [INFO] [stderr] | ---- mutable borrow occurs here [INFO] [stderr] ... [INFO] [stderr] 1632 | &self.cmd.buffer.obj_core, false, flags, offset, len, ewait, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ immutable borrow occurs here [INFO] [stderr] ... [INFO] [stderr] 1643 | 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-0.17.0/src/standard/buffer.rs:1643:13 [INFO] [stderr] | [INFO] [stderr] 1627 | let (offset, len, queue, flags, ewait, enew, /*is_mapped*/) = self.enq_details()?; [INFO] [stderr] | ---- mutable borrow occurs here [INFO] [stderr] ... [INFO] [stderr] 1643 | 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: variable does not need to be mutable [INFO] [stderr] --> src/proxy/crypt.rs:69:17 [INFO] [stderr] | [INFO] [stderr] 69 | let mut pro_que = pro_que_builder.dims(data.len()).build()?; [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/proxy/crypt.rs:79:17 [INFO] [stderr] | [INFO] [stderr] 79 | let mut kernel = pro_que [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [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/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/proxy-78a6bce14590f467.proxy.3b6ek8fq-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/proxy-78a6bce14590f467.proxy.3b6ek8fq-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/proxy-78a6bce14590f467.proxy.3b6ek8fq-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/proxy-78a6bce14590f467.proxy.3b6ek8fq-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/proxy-78a6bce14590f467.proxy.3b6ek8fq-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/proxy-78a6bce14590f467.proxy.3b6ek8fq-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/proxy-78a6bce14590f467.proxy.3b6ek8fq-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/proxy-78a6bce14590f467.proxy.3b6ek8fq-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/proxy-78a6bce14590f467.proxy.3b6ek8fq-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/proxy-78a6bce14590f467.proxy.3b6ek8fq-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/proxy-78a6bce14590f467.proxy.3b6ek8fq-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/proxy-78a6bce14590f467.proxy.3b6ek8fq-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/proxy-78a6bce14590f467.proxy.3b6ek8fq-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/proxy-78a6bce14590f467.proxy.3b6ek8fq-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/proxy-78a6bce14590f467.proxy.3b6ek8fq-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/proxy-78a6bce14590f467.proxy.3b6ek8fq-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/proxy-78a6bce14590f467" "/opt/crater/target/debug/deps/proxy-78a6bce14590f467.4dit06jjjo4hc1vo.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-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-046489e57156ab75.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-18a90487bd153d16.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_bigint-197932a8d9412132.rlib" "/opt/crater/target/debug/deps/librand-fbc907530e0dac69.rlib" "/opt/crater/target/debug/deps/libnum_complex-c411bfe3045ab44b.rlib" "/opt/crater/target/debug/deps/librustc_serialize-04f5d71c016b4cf1.rlib" "/opt/crater/target/debug/deps/libnum_iter-ed6d9b86184a5768.rlib" "/opt/crater/target/debug/deps/libnum_integer-ec772da9f1bcb2ab.rlib" "/opt/crater/target/debug/deps/libenum_primitive-ef9d66e9313312e9.rlib" "/opt/crater/target/debug/deps/libbitflags-059a52e34f06c077.rlib" "/opt/crater/target/debug/deps/libfailure-1285647adc9aa940.rlib" "/opt/crater/target/debug/deps/libbacktrace-ca6249d3b4bf284e.rlib" "/opt/crater/target/debug/deps/libbacktrace_sys-9d5dffe8e417f0a9.rlib" "/opt/crater/target/debug/deps/librustc_demangle-aef1974f9eb9da1b.rlib" "/opt/crater/target/debug/deps/libcfg_if-d91c3b4a47d9636f.rlib" "/opt/crater/target/debug/deps/libfutures-e9e3e5e5aaa6742e.rlib" "/opt/crater/target/debug/deps/libnum_traits-676f5cbea97d2da9.rlib" "/opt/crater/target/debug/deps/libnum_traits-a85ee5cde2084140.rlib" "/opt/crater/target/debug/deps/libthreadpool-4bec961a4a7356af.rlib" "/opt/crater/target/debug/deps/libnum_cpus-08e95eff913b9d35.rlib" "/opt/crater/target/debug/deps/liblibc-c0c224030ba918a8.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 `proxy`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "041a79ddffcd1227827f1e85e29831d4e4b6839f74c2a0d2fbf794bf48cd5e92"` [INFO] running `"docker" "rm" "-f" "041a79ddffcd1227827f1e85e29831d4e4b6839f74c2a0d2fbf794bf48cd5e92"` [INFO] [stdout] 041a79ddffcd1227827f1e85e29831d4e4b6839f74c2a0d2fbf794bf48cd5e92