[INFO] fetching crate pallet-membership 2.0.1...
[INFO] checking pallet-membership-2.0.1 against try#82acd1d76add2232e19c1f0feb250d2a19ec6efe for pr-81213
[INFO] extracting crate pallet-membership 2.0.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate pallet-membership 2.0.1 on toolchain 82acd1d76add2232e19c1f0feb250d2a19ec6efe
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pallet-membership 2.0.1
[INFO] finished tweaking crates.io crate pallet-membership 2.0.1
[INFO] tweaked toml for crates.io crate pallet-membership 2.0.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fa0a3888619dcdeb0c7448a0ec7a964db23a8a1a21daf5550090fe5359586b52
[INFO] running `Command { std: "docker" "start" "-a" "fa0a3888619dcdeb0c7448a0ec7a964db23a8a1a21daf5550090fe5359586b52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa0a3888619dcdeb0c7448a0ec7a964db23a8a1a21daf5550090fe5359586b52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa0a3888619dcdeb0c7448a0ec7a964db23a8a1a21daf5550090fe5359586b52", kill_on_drop: false }`
[INFO] [stdout] fa0a3888619dcdeb0c7448a0ec7a964db23a8a1a21daf5550090fe5359586b52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4c7146afc664ec780c0f5155637f5954dddb551c370139bf1bbe0f673958306b
[INFO] running `Command { std: "docker" "start" "-a" "4c7146afc664ec780c0f5155637f5954dddb551c370139bf1bbe0f673958306b", kill_on_drop: false }`
[INFO] [stderr]     Checking hash-db v0.15.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking memory-db v0.24.1
[INFO] [stderr]     Checking trie-db v0.22.2
[INFO] [stderr]     Checking trie-root v0.16.0
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking thread_local v1.1.1
[INFO] [stderr]     Checking futures-task v0.3.12
[INFO] [stderr]     Checking tiny-bip39 v0.7.3
[INFO] [stderr]     Checking futures-util v0.3.12
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking integer-sqrt v0.1.5
[INFO] [stderr]     Checking sp-arithmetic v2.0.1
[INFO] [stderr]     Checking num-bigint v0.2.6
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]     Checking tracing-subscriber v0.2.15
[INFO] [stderr]     Checking num-rational v0.2.4
[INFO] [stderr]     Checking wasmi v0.6.2
[INFO] [stderr]    Compiling sp-runtime-interface-proc-macro v2.0.1
[INFO] [stderr]     Checking futures-executor v0.3.12
[INFO] [stderr]     Checking sp-tracing v2.0.1
[INFO] [stderr]     Checking futures v0.3.12
[INFO] [stderr]     Checking sp-wasm-interface v2.0.1
[INFO] [stderr]     Checking sp-runtime-interface v2.0.1
[INFO] [stderr]     Checking sp-core v2.0.1
[INFO] [stderr]     Checking sp-trie v2.0.1
[INFO] [stderr]     Checking sp-inherents v2.0.1
[INFO] [stderr]     Checking frame-metadata v12.0.1
[INFO] [stderr]     Checking sp-state-machine v0.8.1
[INFO] [stderr]     Checking sp-io v2.0.1
[INFO] [stderr]     Checking sp-application-crypto v2.0.1
[INFO] [stderr]     Checking sp-runtime v2.0.1
[INFO] [stderr]     Checking frame-support v2.0.1
[INFO] [stderr]     Checking sp-version v2.0.1
[INFO] [stderr]     Checking frame-system v2.0.1
[INFO] [stderr]     Checking pallet-membership v2.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `sp_core`
[INFO] [stdout]    --> src/lib.rs:286:6
[INFO] [stdout]     |
[INFO] [stdout] 286 |     use sp_core::H256;
[INFO] [stdout]     |         ^^^^^^^ use of undeclared crate or module `sp_core`
[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 E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pallet-membership`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "4c7146afc664ec780c0f5155637f5954dddb551c370139bf1bbe0f673958306b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c7146afc664ec780c0f5155637f5954dddb551c370139bf1bbe0f673958306b", kill_on_drop: false }`
[INFO] [stdout] 4c7146afc664ec780c0f5155637f5954dddb551c370139bf1bbe0f673958306b