[INFO] fetching crate sc-consensus-pow 0.8.0-alpha.5...
[INFO] checking sc-consensus-pow-0.8.0-alpha.5 against try#3ae4c050387df9f7fbb379ee90ce8bf05e566870 for pr-70872
[INFO] extracting crate sc-consensus-pow 0.8.0-alpha.5 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate sc-consensus-pow 0.8.0-alpha.5 on toolchain 3ae4c050387df9f7fbb379ee90ce8bf05e566870
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3ae4c050387df9f7fbb379ee90ce8bf05e566870" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate sc-consensus-pow 0.8.0-alpha.5
[INFO] finished tweaking crates.io crate sc-consensus-pow 0.8.0-alpha.5
[INFO] tweaked toml for crates.io crate sc-consensus-pow 0.8.0-alpha.5 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3ae4c050387df9f7fbb379ee90ce8bf05e566870" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3ae4c050387df9f7fbb379ee90ce8bf05e566870" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+3ae4c050387df9f7fbb379ee90ce8bf05e566870" "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] 37ed5c99d11bbabbdecdc57020400f15138f02a0ea351211c7adc71865beb901
[INFO] running `"docker" "start" "-a" "37ed5c99d11bbabbdecdc57020400f15138f02a0ea351211c7adc71865beb901"`
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking parity-wasm v0.41.0
[INFO] [stderr]    Compiling constant_time_eq v0.1.5
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]    Compiling hex-literal-impl v0.2.1
[INFO] [stderr]     Checking bitvec v0.17.4
[INFO] [stderr]     Checking trie-root v0.16.0
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]    Compiling blake2-rfc v0.2.18
[INFO] [stderr]     Checking rustls v0.16.0
[INFO] [stderr]     Checking pbkdf2 v0.3.0
[INFO] [stderr]     Checking sp-panic-handler v2.0.0-alpha.5
[INFO] [stderr]     Checking hex-literal v0.2.1
[INFO] [stderr]     Checking fixed-hash v0.6.0
[INFO] [stderr]     Checking hashbrown v0.6.3
[INFO] [stderr]     Checking once_cell v1.3.1
[INFO] [stderr]     Checking async-std v1.5.0
[INFO] [stderr]     Checking wasmi-validation v0.3.0
[INFO] [stderr]     Checking trie-db v0.20.0
[INFO] [stderr]     Checking lru v0.4.3
[INFO] [stderr]     Checking wasmi v0.6.2
[INFO] [stderr] error: constants of type `*mut core::ffi::c_void` cannot be used in a pattern
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/wasmi-0.6.2/src/memory/mmap_bytebuf.rs:73:13
[INFO] [stderr]    |
[INFO] [stderr] 73 |             libc::MAP_FAILED => Err("mmap returned an error".into()),
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `wasmi`.
[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" "37ed5c99d11bbabbdecdc57020400f15138f02a0ea351211c7adc71865beb901"`
[INFO] running `"docker" "rm" "-f" "37ed5c99d11bbabbdecdc57020400f15138f02a0ea351211c7adc71865beb901"`
[INFO] [stdout] 37ed5c99d11bbabbdecdc57020400f15138f02a0ea351211c7adc71865beb901