[INFO] fetching crate pallet-aura 2.0.0-rc3...
[INFO] checking pallet-aura-2.0.0-rc3 against try#c8bdaa84ec1b37f18f30375e196a65b7602f3790 for pr-73345
[INFO] extracting crate pallet-aura 2.0.0-rc3 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate pallet-aura 2.0.0-rc3 on toolchain c8bdaa84ec1b37f18f30375e196a65b7602f3790
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pallet-aura 2.0.0-rc3
[INFO] finished tweaking crates.io crate pallet-aura 2.0.0-rc3
[INFO] tweaked toml for crates.io crate pallet-aura 2.0.0-rc3 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sp-consensus-aura v0.8.0-rc3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3e4f36b2a1d3be1b81312d42dd81fb217b6ba7b0d63a32d2db8ec1241a195133
[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" "3e4f36b2a1d3be1b81312d42dd81fb217b6ba7b0d63a32d2db8ec1241a195133", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e4f36b2a1d3be1b81312d42dd81fb217b6ba7b0d63a32d2db8ec1241a195133", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e4f36b2a1d3be1b81312d42dd81fb217b6ba7b0d63a32d2db8ec1241a195133", kill_on_drop: false }`
[INFO] [stdout] 3e4f36b2a1d3be1b81312d42dd81fb217b6ba7b0d63a32d2db8ec1241a195133
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df66a4160d504b819bf181564fbbf34485d3f05820f4f1f5e821a922e4bd5f4c
[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" "df66a4160d504b819bf181564fbbf34485d3f05820f4f1f5e821a922e4bd5f4c", kill_on_drop: false }`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking bitmask v0.5.0
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]    Compiling frame-support-procedural-tools-derive v2.0.0-rc3
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking matrixmultiply v0.2.3
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking wasm-timer v0.2.4
[INFO] [stderr]     Checking statrs v0.10.0
[INFO] [stderr]    Compiling frame-support-procedural-tools v2.0.0-rc3
[INFO] [stderr]     Checking num-integer v0.1.43
[INFO] [stderr]     Checking sp-arithmetic v2.0.0-rc3
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking num-bigint v0.2.6
[INFO] [stderr]    Compiling frame-support-procedural v2.0.0-rc3
[INFO] [stderr]     Checking alga v0.9.3
[INFO] [stderr]     Checking num-rational v0.2.4
[INFO] [stderr]     Checking wasmi v0.6.2
[INFO] [stderr]     Checking nalgebra v0.18.1
[INFO] [stderr]     Checking sp-wasm-interface v2.0.0-rc3
[INFO] [stderr]     Checking sp-runtime-interface v2.0.0-rc3
[INFO] [stderr]     Checking sp-core v2.0.0-rc3
[INFO] [stderr]     Checking sp-trie v2.0.0-rc3
[INFO] [stderr]     Checking sp-inherents v2.0.0-rc3
[INFO] [stderr]     Checking frame-metadata v11.0.0-rc3
[INFO] [stderr]     Checking sp-state-machine v0.8.0-rc3
[INFO] [stderr]     Checking sp-io v2.0.0-rc3
[INFO] [stderr]     Checking sp-application-crypto v2.0.0-rc3
[INFO] [stderr]     Checking sp-runtime v2.0.0-rc3
[INFO] [stderr]     Checking sp-version v2.0.0-rc3
[INFO] [stderr]     Checking frame-support v2.0.0-rc3
[INFO] [stderr]     Checking sp-staking v2.0.0-rc3
[INFO] [stderr]     Checking linregress v0.1.7
[INFO] [stderr]     Checking sp-api v2.0.0-rc3
[INFO] [stderr]     Checking sp-timestamp v2.0.0-rc3
[INFO] [stderr]     Checking sp-session v2.0.0-rc3
[INFO] [stderr]     Checking sp-consensus-aura v0.8.0-rc3
[INFO] [stderr]     Checking frame-system v2.0.0-rc3
[INFO] [stderr]     Checking frame-benchmarking v2.0.0-rc3
[INFO] [stderr]     Checking pallet-timestamp v2.0.0-rc3
[INFO] [stderr]     Checking pallet-session v2.0.0-rc3
[INFO] [stderr]     Checking pallet-aura v2.0.0-rc3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `sp_io`
[INFO] [stdout]   --> src/mock.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | use sp_io;
[INFO] [stdout]    |     ^^^^^ no `sp_io` external crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `sp_core`
[INFO] [stdout]   --> src/mock.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | use sp_core::H256;
[INFO] [stdout]    |     ^^^^^^^ help: a similar path exists: `sp_application_crypto::sp_core`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pallet-aura`.
[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 `Command { std: "docker" "inspect" "df66a4160d504b819bf181564fbbf34485d3f05820f4f1f5e821a922e4bd5f4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df66a4160d504b819bf181564fbbf34485d3f05820f4f1f5e821a922e4bd5f4c", kill_on_drop: false }`
[INFO] [stdout] df66a4160d504b819bf181564fbbf34485d3f05820f4f1f5e821a922e4bd5f4c