[INFO] updating cached repository https://github.com/burtonageo/gpu_mandlebrot
[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] a8521c68ca1a67ca00095ecd2ca51054d980dc32
[INFO] testing burtonageo/gpu_mandlebrot against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fburtonageo%2Fgpu_mandlebrot" "work/builds/worker-10/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/burtonageo/gpu_mandlebrot on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/burtonageo/gpu_mandlebrot
[INFO] finished tweaking git repo https://github.com/burtonageo/gpu_mandlebrot
[INFO] tweaked toml for git repo https://github.com/burtonageo/gpu_mandlebrot written to work/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/burtonageo/gpu_mandlebrot already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /big/crater/work/builds/worker-10/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Updating git repository `https://github.com/luqmana/rust-opencl`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-10/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" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] a1b58171c1670d3a53173c19f32c6244c7ce028c2eeaed82426bc90bc19faf44
[INFO] running `"docker" "start" "-a" "a1b58171c1670d3a53173c19f32c6244c7ce028c2eeaed82426bc90bc19faf44"`
[INFO] [stderr]    Compiling sdl2-sys v0.7.0
[INFO] [stderr]    Compiling bitflags v0.3.3
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling opencl v0.3.0-dev (https://github.com/luqmana/rust-opencl#a104f56e)
[INFO] [stderr] error[E0412]: cannot find type `StaticMutex` in module `std::sync`
[INFO] [stderr]    --> /opt/rustwide/cargo-home/git/checkouts/rust-opencl-18192c142e877e60/a104f56/src/hl.rs:133:40
[INFO] [stderr]     |
[INFO] [stderr] 133 | static mut platforms_mutex: std::sync::StaticMutex = std::sync::MUTEX_INIT;
[INFO] [stderr]     |                                        ^^^^^^^^^^^ not found in `std::sync`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `MUTEX_INIT` in module `std::sync`
[INFO] [stderr]    --> /opt/rustwide/cargo-home/git/checkouts/rust-opencl-18192c142e877e60/a104f56/src/hl.rs:133:65
[INFO] [stderr]     |
[INFO] [stderr] 133 | static mut platforms_mutex: std::sync::StaticMutex = std::sync::MUTEX_INIT;
[INFO] [stderr]     |                                                                 ^^^^^^^^^^ not found in `std::sync`
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> /opt/rustwide/cargo-home/git/checkouts/rust-opencl-18192c142e877e60/a104f56/src/lib.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | #![feature(static_mutex)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0412, E0425, E0554.
[INFO] [stderr] For more information about an error, try `rustc --explain E0412`.
[INFO] [stderr] error: could not compile `opencl`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "a1b58171c1670d3a53173c19f32c6244c7ce028c2eeaed82426bc90bc19faf44"`
[INFO] running `"docker" "rm" "-f" "a1b58171c1670d3a53173c19f32c6244c7ce028c2eeaed82426bc90bc19faf44"`
[INFO] [stdout] a1b58171c1670d3a53173c19f32c6244c7ce028c2eeaed82426bc90bc19faf44