[INFO] updating cached repository https://github.com/ddrscott/mandy-rs
[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] 5eb9d402eb815217f364f9db0ea72aa4c9298f7c
[INFO] testing ddrscott/mandy-rs against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fddrscott%2Fmandy-rs" "work/builds/worker-6/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ddrscott/mandy-rs 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/ddrscott/mandy-rs
[INFO] finished tweaking git repo https://github.com/ddrscott/mandy-rs
[INFO] tweaked toml for git repo https://github.com/ddrscott/mandy-rs written to work/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/ddrscott/mandy-rs 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-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/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] 75eba500c7a4309c0ad56090a940028f20d6af2eb7f24b7b32860aff028ea4a4
[INFO] running `"docker" "start" "-a" "75eba500c7a4309c0ad56090a940028f20d6af2eb7f24b7b32860aff028ea4a4"`
[INFO] [stderr]    Compiling cl-sys v0.4.1
[INFO] [stderr]    Compiling atty v0.2.8
[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 ocl-core-vector v0.1.0
[INFO] [stderr]    Compiling sdl2 v0.31.0
[INFO] [stderr]    Compiling clap v2.31.2
[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/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 mandy v0.1.0 (/opt/rustwide/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/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/mandy-a130864488df4187.mandy.5kyawl8l-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/mandy-a130864488df4187.mandy.5kyawl8l-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/mandy-a130864488df4187.mandy.5kyawl8l-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/mandy-a130864488df4187.mandy.5kyawl8l-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/mandy-a130864488df4187.mandy.5kyawl8l-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/mandy-a130864488df4187.mandy.5kyawl8l-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/mandy-a130864488df4187.mandy.5kyawl8l-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/mandy-a130864488df4187.mandy.5kyawl8l-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/mandy-a130864488df4187.mandy.5kyawl8l-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/mandy-a130864488df4187.mandy.5kyawl8l-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/mandy-a130864488df4187.mandy.5kyawl8l-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/mandy-a130864488df4187.mandy.5kyawl8l-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/mandy-a130864488df4187.mandy.5kyawl8l-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/mandy-a130864488df4187.mandy.5kyawl8l-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/mandy-a130864488df4187.mandy.5kyawl8l-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/mandy-a130864488df4187.mandy.5kyawl8l-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/mandy-a130864488df4187" "/opt/rustwide/target/debug/deps/mandy-a130864488df4187.4h7a33jvxhzn05wb.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/target/debug/build/backtrace-sys-d86b1bdd545f71a3/out/.libs" "-L" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libsdl2-cbdd72c61ddd5eb4.rlib" "/opt/rustwide/target/debug/deps/librand-e961aa7c1ffd7cd7.rlib" "/opt/rustwide/target/debug/deps/libsdl2_sys-872111bbbf9f2edd.rlib" "/opt/rustwide/target/debug/deps/libbitflags-8e02dfeceb8e06ce.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-1660a65f58d1cb98.rlib" "/opt/rustwide/target/debug/deps/libocl-83feef829618d2fd.rlib" "/opt/rustwide/target/debug/deps/libqutex-9a6bb7e6b9e5f983.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam-db2b07964beaa07a.rlib" "/opt/rustwide/target/debug/deps/libocl_core-1ada591f3764a82f.rlib" "/opt/rustwide/target/debug/deps/libcl_sys-bd905781b87a8607.rlib" "/opt/rustwide/target/debug/deps/libocl_core_vector-0c831facf429b2ca.rlib" "/opt/rustwide/target/debug/deps/libnum-0a4a44130e042a58.rlib" "/opt/rustwide/target/debug/deps/libnum_complex-501621eba4b7a31c.rlib" "/opt/rustwide/target/debug/deps/libfailure-48234eb98cbacc49.rlib" "/opt/rustwide/target/debug/deps/libbacktrace-2f621a47a73f85a5.rlib" "/opt/rustwide/target/debug/deps/libbacktrace_sys-8afbdee786272f24.rlib" "/opt/rustwide/target/debug/deps/librustc_demangle-354c5009d379597d.rlib" "/opt/rustwide/target/debug/deps/libfutures-caeb6910041e0fc9.rlib" "/opt/rustwide/target/debug/deps/libimage-c4f7635c2362ee34.rlib" "/opt/rustwide/target/debug/deps/libscoped_threadpool-ef5771575dd16434.rlib" "/opt/rustwide/target/debug/deps/libgif-8f93bd3cf59af516.rlib" "/opt/rustwide/target/debug/deps/libcolor_quant-836d2c92f1146f54.rlib" "/opt/rustwide/target/debug/deps/liblzw-cee06389c23927f5.rlib" "/opt/rustwide/target/debug/deps/libjpeg_decoder-e447007f40259d5c.rlib" "/opt/rustwide/target/debug/deps/librayon-16f555724f5ee5d0.rlib" "/opt/rustwide/target/debug/deps/libeither-6b7239188857df3d.rlib" "/opt/rustwide/target/debug/deps/librayon_core-09e020e6e135249c.rlib" "/opt/rustwide/target/debug/deps/libnum_cpus-1123f7b9d50cce03.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_deque-d1ea20017f7bcae9.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_epoch-057c0eafb3a9800b.rlib" "/opt/rustwide/target/debug/deps/libscopeguard-5d24109de20616f8.rlib" "/opt/rustwide/target/debug/deps/libmemoffset-eb3783781a55ffc1.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-f69fda666eb6bd97.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_utils-afa06c24f31a0c9b.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-ee321c1d811ce804.rlib" "/opt/rustwide/target/debug/deps/libarrayvec-4b1b7ebc0d2071bd.rlib" "/opt/rustwide/target/debug/deps/libnodrop-7dbbe7e07d4bd2c5.rlib" "/opt/rustwide/target/debug/deps/libpng-04d7b212275c9920.rlib" "/opt/rustwide/target/debug/deps/libdeflate-13698c818a549269.rlib" "/opt/rustwide/target/debug/deps/libinflate-ca39beeb25a5a85c.rlib" "/opt/rustwide/target/debug/deps/libadler32-0d6376af4d7c3555.rlib" "/opt/rustwide/target/debug/deps/libenum_primitive-c9691d5dd1564bbf.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-9b855207842b4316.rlib" "/opt/rustwide/target/debug/deps/libnum_rational-4b5353e4a4200337.rlib" "/opt/rustwide/target/debug/deps/libnum_bigint-2ef416a05e0d593f.rlib" "/opt/rustwide/target/debug/deps/librand-3d4f9fe10c21f9af.rlib" "/opt/rustwide/target/debug/deps/librustc_serialize-32acd8f7efa22e3e.rlib" "/opt/rustwide/target/debug/deps/libnum_iter-52921c501f005ba0.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-080539300a381bd7.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-e7ecef0db73b5dbf.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-ba288c838e886e30.rlib" "/opt/rustwide/target/debug/deps/libfind_folder-8ab2166bbda31f70.rlib" "/opt/rustwide/target/debug/deps/libclap-16db8ce89e50ead0.rlib" "/opt/rustwide/target/debug/deps/libvec_map-0a9fdf468224ebba.rlib" "/opt/rustwide/target/debug/deps/libtextwrap-c6768d2384b56552.rlib" "/opt/rustwide/target/debug/deps/libunicode_width-6650fb1e4e588dd9.rlib" "/opt/rustwide/target/debug/deps/libstrsim-421bb410b122b449.rlib" "/opt/rustwide/target/debug/deps/libbitflags-78d40378678c0318.rlib" "/opt/rustwide/target/debug/deps/libatty-e7055d934a253aba.rlib" "/opt/rustwide/target/debug/deps/liblibc-dbf78c674b45bb0d.rlib" "/opt/rustwide/target/debug/deps/libansi_term-96d819b388a7bd02.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" "-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" "75eba500c7a4309c0ad56090a940028f20d6af2eb7f24b7b32860aff028ea4a4"`
[INFO] running `"docker" "rm" "-f" "75eba500c7a4309c0ad56090a940028f20d6af2eb7f24b7b32860aff028ea4a4"`
[INFO] [stdout] 75eba500c7a4309c0ad56090a940028f20d6af2eb7f24b7b32860aff028ea4a4