[INFO] updating cached repository https://github.com/grendias/Nano-2 [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 23b6483e7a5f180ae5c993668c894f323bec1c9a [INFO] testing grendias/Nano-2 against 1.38.0 for beta-1.39-1 [INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrendias%2FNano-2" "work/builds/worker-0/source"` [INFO] [stderr] Cloning into 'work/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/grendias/Nano-2 on toolchain 1.38.0 [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/grendias/Nano-2 [INFO] finished tweaking git repo https://github.com/grendias/Nano-2 [INFO] tweaked toml for git repo https://github.com/grendias/Nano-2 written to work/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/grendias/Nano-2 already has a lockfile, it will not be regenerated [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"` [INFO] [stdout] 73f43b44b26377e291a175c6b60ac27f6f7027cc395d0067f43d0eec69b59928 [INFO] running `"docker" "start" "-a" "73f43b44b26377e291a175c6b60ac27f6f7027cc395d0067f43d0eec69b59928"` [INFO] [stderr] Compiling nodrop v0.1.12 [INFO] [stderr] Compiling cc v1.0.15 [INFO] [stderr] Compiling cl-sys v0.4.1 [INFO] [stderr] Compiling serde v1.0.45 [INFO] [stderr] Compiling net2 v0.2.32 [INFO] [stderr] Compiling qutex v0.2.1 [INFO] [stderr] Compiling bytes v0.4.7 [INFO] [stderr] Compiling parking_lot_core v0.2.14 [INFO] [stderr] Compiling futures-cpupool v0.1.8 [INFO] [stderr] Compiling tokio-timer v0.2.3 [INFO] [stderr] Compiling ocl-core v0.9.0 [INFO] [stderr] Compiling ocl-core-vector v0.1.0 [INFO] [stderr] Compiling digest v0.7.2 [INFO] [stderr] Compiling blake2 v0.7.1 [INFO] [stderr] Compiling arrayvec v0.4.7 [INFO] [stderr] Compiling parking_lot v0.5.5 [INFO] [stderr] Compiling mio v0.6.14 [INFO] [stderr] Compiling tokio-io v0.1.6 [INFO] [stderr] Compiling crossbeam-epoch v0.4.1 [INFO] [stderr] Compiling backtrace-sys v0.1.16 [INFO] [stderr] Compiling crossbeam-deque v0.3.1 [INFO] [stderr] Compiling tokio-threadpool v0.1.3 [INFO] [stderr] Compiling tokio-reactor v0.1.1 [INFO] [stderr] Compiling tokio-udp v0.1.0 [INFO] [stderr] Compiling tokio-tcp v0.1.0 [INFO] [stderr] Compiling tokio-fs v0.1.0 [INFO] [stderr] Compiling tokio v0.1.6 [INFO] [stderr] Compiling tokio-core v0.1.17 [INFO] [stderr] Compiling tokio-proto v0.1.1 [INFO] [stderr] Compiling serde_json v1.0.17 [INFO] [stderr] Compiling hyper v0.11.25 [INFO] [stderr] Compiling backtrace v0.3.7 [INFO] [stderr] Compiling failure v0.1.1 [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/rustwide/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/rustwide/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/rustwide/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/rustwide/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 nano-work-server v0.1.7 (/opt/rustwide/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:103:52 [INFO] [stderr] | [INFO] [stderr] 103 | fn generate_work(&self, root: [u8; 32]) -> Box> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:218:14 [INFO] [stderr] | [INFO] [stderr] 218 | ) -> Box> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:281:23 [INFO] [stderr] | [INFO] [stderr] 281 | type Future = Box>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future` [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/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/nano_work_server-030501e5e3991625.nano_work_server.23c7e01t-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/nano_work_server-030501e5e3991625.nano_work_server.23c7e01t-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/nano_work_server-030501e5e3991625.nano_work_server.23c7e01t-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/nano_work_server-030501e5e3991625.nano_work_server.23c7e01t-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/nano_work_server-030501e5e3991625.nano_work_server.23c7e01t-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/nano_work_server-030501e5e3991625.nano_work_server.23c7e01t-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/nano_work_server-030501e5e3991625.nano_work_server.23c7e01t-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/nano_work_server-030501e5e3991625.nano_work_server.23c7e01t-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/nano_work_server-030501e5e3991625.nano_work_server.23c7e01t-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/nano_work_server-030501e5e3991625.nano_work_server.23c7e01t-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/nano_work_server-030501e5e3991625.nano_work_server.23c7e01t-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/nano_work_server-030501e5e3991625.nano_work_server.23c7e01t-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/nano_work_server-030501e5e3991625.nano_work_server.23c7e01t-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/nano_work_server-030501e5e3991625.nano_work_server.23c7e01t-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/nano_work_server-030501e5e3991625.nano_work_server.23c7e01t-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/nano_work_server-030501e5e3991625.nano_work_server.23c7e01t-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/nano_work_server-030501e5e3991625" "/opt/rustwide/target/debug/deps/nano_work_server-030501e5e3991625.10gsos23yp2yvxs8.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" 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"/opt/rustwide/target/debug/deps/libstrsim-421bb410b122b449.rlib" "/opt/rustwide/target/debug/deps/libbitflags-8880519ea1a29580.rlib" "/opt/rustwide/target/debug/deps/libatty-5cf836f912d969a1.rlib" "/opt/rustwide/target/debug/deps/liblibc-dbf78c674b45bb0d.rlib" "/opt/rustwide/target/debug/deps/libansi_term-96d819b388a7bd02.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-ba288c838e886e30.rlib" "/opt/rustwide/target/debug/deps/libblake2-736dd7ef5bf088a6.rlib" "/opt/rustwide/target/debug/deps/libcrypto_mac-74c45d6c0611cc0a.rlib" "/opt/rustwide/target/debug/deps/libconstant_time_eq-8f3ec730d8bbc41a.rlib" "/opt/rustwide/target/debug/deps/libdigest-5fb8f88e4b28969e.rlib" "/opt/rustwide/target/debug/deps/libgeneric_array-bdb2748a72531a3d.rlib" "/opt/rustwide/target/debug/deps/libtypenum-c23e2539379fd377.rlib" "/opt/rustwide/target/debug/deps/libbyte_tools-4a9023324be90bd3.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-12ce12f1efc08aa3.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-5d3cd1b3ddab72e4.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-f8222943dfd167e2.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-0cd00b2d3108cd48.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-485c05ba6ce1b438.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-63e6b1072426ba59.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-a421aff1d43911ee.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-3deef8ef4fe80dff.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-f65a176f0586269e.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-ad46d4080f4d7e57.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-da6c590582bf0885.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-837ca740df32db0a.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-db27c965e824589f.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-68a4f8466685ed76.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-work-server`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "73f43b44b26377e291a175c6b60ac27f6f7027cc395d0067f43d0eec69b59928"` [INFO] running `"docker" "rm" "-f" "73f43b44b26377e291a175c6b60ac27f6f7027cc395d0067f43d0eec69b59928"` [INFO] [stdout] 73f43b44b26377e291a175c6b60ac27f6f7027cc395d0067f43d0eec69b59928