[INFO] updating cached repository https://github.com/burtonageo/gpu_mandlebrot
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/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] checking burtonageo/gpu_mandlebrot against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fburtonageo%2Fgpu_mandlebrot" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/burtonageo/gpu_mandlebrot on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "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 /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/burtonageo/gpu_mandlebrot already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /workspace/builds/worker-7/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Updating git repository `https://github.com/luqmana/rust-opencl`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c5e63a1f8a98edf1d8bb2eee3eb8a76d480a53ff90b3ff09eee2de0424ca0cf5
[INFO] running `"docker" "start" "-a" "c5e63a1f8a98edf1d8bb2eee3eb8a76d480a53ff90b3ff09eee2de0424ca0cf5"`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling sdl2-sys v0.7.0
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking 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: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0412, E0425.
[INFO] [stderr] For more information about an error, try `rustc --explain E0412`.
[INFO] [stderr] error: could not compile `opencl`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "c5e63a1f8a98edf1d8bb2eee3eb8a76d480a53ff90b3ff09eee2de0424ca0cf5"`
[INFO] running `"docker" "rm" "-f" "c5e63a1f8a98edf1d8bb2eee3eb8a76d480a53ff90b3ff09eee2de0424ca0cf5"`
[INFO] [stdout] c5e63a1f8a98edf1d8bb2eee3eb8a76d480a53ff90b3ff09eee2de0424ca0cf5