[INFO] cloning repository https://github.com/AdamHarries/task_opencl
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AdamHarries/task_opencl" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAdamHarries%2Ftask_opencl", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAdamHarries%2Ftask_opencl'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d68f84960013c215289c9a5a1631f9a393b1420d
[INFO] testing AdamHarries/task_opencl against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAdamHarries%2Ftask_opencl" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AdamHarries/task_opencl on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/AdamHarries/task_opencl
[INFO] finished tweaking git repo https://github.com/AdamHarries/task_opencl
[INFO] tweaked toml for git repo https://github.com/AdamHarries/task_opencl written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/AdamHarries/task_opencl already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7cee1a480ea46ca66a386eb1f8b114ec4e07eaf64e00eb92c791b23178643d2e
[INFO] running `Command { std: "docker" "start" "-a" "7cee1a480ea46ca66a386eb1f8b114ec4e07eaf64e00eb92c791b23178643d2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7cee1a480ea46ca66a386eb1f8b114ec4e07eaf64e00eb92c791b23178643d2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cee1a480ea46ca66a386eb1f8b114ec4e07eaf64e00eb92c791b23178643d2e", kill_on_drop: false }`
[INFO] [stdout] 7cee1a480ea46ca66a386eb1f8b114ec4e07eaf64e00eb92c791b23178643d2e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b3424d7af95d7c8cc1c7dfade22fc6dc8235d2b31556b7ca23a970e10f1abee1
[INFO] running `Command { std: "docker" "start" "-a" "b3424d7af95d7c8cc1c7dfade22fc6dc8235d2b31556b7ca23a970e10f1abee1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.2
[INFO] [stderr]    Compiling log v0.3.4
[INFO] [stderr]    Compiling opencl v0.3.0-dev (https://github.com/AdamHarries/rust-opencl.git#6f9b4781)
[INFO] [stdout] error[E0412]: cannot find type `StaticMutex` in module `std::sync`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/rust-opencl-634a3434b823083b/6f9b478/src/hl.rs:134:40
[INFO] [stdout]     |
[INFO] [stdout] 134 | static mut platforms_mutex: std::sync::StaticMutex = std::sync::MUTEX_INIT;
[INFO] [stdout]     |                                        ^^^^^^^^^^^ not found in `std::sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `MUTEX_INIT` in module `std::sync`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/rust-opencl-634a3434b823083b/6f9b478/src/hl.rs:134:65
[INFO] [stdout]     |
[INFO] [stdout] 134 | static mut platforms_mutex: std::sync::StaticMutex = std::sync::MUTEX_INIT;
[INFO] [stdout]     |                                                                 ^^^^^^^^^^ not found in `std::sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/rust-opencl-634a3434b823083b/6f9b478/src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(static_mutex)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0425, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `opencl` due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "b3424d7af95d7c8cc1c7dfade22fc6dc8235d2b31556b7ca23a970e10f1abee1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3424d7af95d7c8cc1c7dfade22fc6dc8235d2b31556b7ca23a970e10f1abee1", kill_on_drop: false }`
[INFO] [stdout] b3424d7af95d7c8cc1c7dfade22fc6dc8235d2b31556b7ca23a970e10f1abee1