[INFO] fetching crate eth2_hashing 0.1.0...
[INFO] checking eth2_hashing-0.1.0 against try#4a04890980766cc79878135f5ade8c0c4321e943 for pr-65819
[INFO] extracting crate eth2_hashing 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate eth2_hashing 0.1.0 on toolchain 4a04890980766cc79878135f5ade8c0c4321e943
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0/source/.cargo/config
[INFO] started tweaking crates.io crate eth2_hashing 0.1.0
[INFO] finished tweaking crates.io crate eth2_hashing 0.1.0
[INFO] tweaked toml for crates.io crate eth2_hashing 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5a73fce2ab848c544bab2b75caaa06eb3431aef0e8ba78694ea8257c6b11fa60
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5a73fce2ab848c544bab2b75caaa06eb3431aef0e8ba78694ea8257c6b11fa60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a73fce2ab848c544bab2b75caaa06eb3431aef0e8ba78694ea8257c6b11fa60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a73fce2ab848c544bab2b75caaa06eb3431aef0e8ba78694ea8257c6b11fa60", kill_on_drop: false }`
[INFO] [stdout] 5a73fce2ab848c544bab2b75caaa06eb3431aef0e8ba78694ea8257c6b11fa60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=forbid" "-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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 756bd599fc5b3ad4ce55e4e4bc4ffc53e89577154245700b904b5c6d7262b624
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "756bd599fc5b3ad4ce55e4e4bc4ffc53e89577154245700b904b5c6d7262b624", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking untrusted v0.6.2
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]    Compiling ring v0.14.6
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ring-0.14.6/build.rs:425:20
[INFO] [stdout]     |
[INFO] [stdout] 425 |         .for_each(|&(lib_name, srcs, additional_srcs)| {
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
[INFO] [stdout]     |                    |                                |
[INFO] [stdout]     |                    |                                expected due to this
[INFO] [stdout]     |                    expected tuple, found reference
[INFO] [stdout]     |
[INFO] [stdout]     = note:  expected tuple `(&str, &[PathBuf], &[PathBuf])`
[INFO] [stdout]             found reference `&_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ring`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "756bd599fc5b3ad4ce55e4e4bc4ffc53e89577154245700b904b5c6d7262b624", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "756bd599fc5b3ad4ce55e4e4bc4ffc53e89577154245700b904b5c6d7262b624", kill_on_drop: false }`
[INFO] [stdout] 756bd599fc5b3ad4ce55e4e4bc4ffc53e89577154245700b904b5c6d7262b624