[INFO] crate pallet-grandpa 2.0.0-alpha.5 is already in cache
[INFO] checking pallet-grandpa-2.0.0-alpha.5 against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] extracting crate pallet-grandpa 2.0.0-alpha.5 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate pallet-grandpa 2.0.0-alpha.5 on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate pallet-grandpa 2.0.0-alpha.5
[INFO] finished tweaking crates.io crate pallet-grandpa 2.0.0-alpha.5
[INFO] tweaked toml for crates.io crate pallet-grandpa 2.0.0-alpha.5 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "/opt/rustwide/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "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] 3c3bdab8130477603dd1a16b17f0c165f905d9f192f8411294910473458b4b48
[INFO] running `"docker" "start" "-a" "3c3bdab8130477603dd1a16b17f0c165f905d9f192f8411294910473458b4b48"`
[INFO] [stderr]    Compiling constant_time_eq v0.1.5
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking statrs v0.10.0
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking num-bigint v0.2.6
[INFO] [stderr]     Checking once_cell v1.3.1
[INFO] [stderr]     Checking wasm-timer v0.2.4
[INFO] [stderr]     Checking sp-arithmetic v2.0.0-alpha.5
[INFO] [stderr]     Checking tiny-bip39 v0.7.3
[INFO] [stderr]    Compiling blake2-rfc v0.2.18
[INFO] [stderr]    Compiling sp-api-proc-macro v2.0.0-alpha.5
[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-alpha.5
[INFO] [stderr]     Checking sp-runtime-interface v2.0.0-alpha.5
[INFO] [stderr]     Checking sp-core v2.0.0-alpha.5
[INFO] [stderr]     Checking sp-trie v2.0.0-alpha.5
[INFO] [stderr]     Checking sp-inherents v2.0.0-alpha.5
[INFO] [stderr]     Checking frame-metadata v11.0.0-alpha.5
[INFO] [stderr]     Checking sp-finality-tracker v2.0.0-alpha.5
[INFO] [stderr]     Checking sp-state-machine v0.8.0-alpha.5
[INFO] [stderr]     Checking sp-io v2.0.0-alpha.5
[INFO] [stderr]     Checking sp-application-crypto v2.0.0-alpha.5
[INFO] [stderr]     Checking linregress v0.1.7
[INFO] [stderr]     Checking sp-runtime v2.0.0-alpha.5
[INFO] [stderr]     Checking sp-version v2.0.0-alpha.5
[INFO] [stderr]     Checking frame-support v2.0.0-alpha.5
[INFO] [stderr]     Checking sp-staking v2.0.0-alpha.5
[INFO] [stderr]     Checking sp-api v2.0.0-alpha.5
[INFO] [stderr]     Checking frame-system v2.0.0-alpha.5
[INFO] [stderr]     Checking sp-timestamp v2.0.0-alpha.5
[INFO] [stderr]     Checking sp-finality-grandpa v2.0.0-alpha.5
[INFO] [stderr]     Checking frame-benchmarking v2.0.0-alpha.5
[INFO] [stderr]     Checking pallet-finality-tracker v2.0.0-alpha.5
[INFO] [stderr]     Checking pallet-timestamp v2.0.0-alpha.5
[INFO] [stderr]     Checking pallet-session v2.0.0-alpha.5
[INFO] [stderr]     Checking pallet-grandpa v2.0.0-alpha.5 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0432]: unresolved import `sp_io`
[INFO] [stderr]   --> src/mock.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 | use sp_io;
[INFO] [stderr]    |     ^^^^^ no `sp_io` external crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `pallet-grandpa`.
[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" "3c3bdab8130477603dd1a16b17f0c165f905d9f192f8411294910473458b4b48"`
[INFO] running `"docker" "rm" "-f" "3c3bdab8130477603dd1a16b17f0c165f905d9f192f8411294910473458b4b48"`
[INFO] [stdout] 3c3bdab8130477603dd1a16b17f0c165f905d9f192f8411294910473458b4b48
