[INFO] fetching crate pallet-contracts-rpc-runtime-api 0.8.0-rc6...
[INFO] checking pallet-contracts-rpc-runtime-api-0.8.0-rc6 against master#da897dfb6daa268a965d2d73620316ba56020a19 for pr-76219
[INFO] extracting crate pallet-contracts-rpc-runtime-api 0.8.0-rc6 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate pallet-contracts-rpc-runtime-api 0.8.0-rc6 on toolchain da897dfb6daa268a965d2d73620316ba56020a19
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pallet-contracts-rpc-runtime-api 0.8.0-rc6
[INFO] finished tweaking crates.io crate pallet-contracts-rpc-runtime-api 0.8.0-rc6
[INFO] tweaked toml for crates.io crate pallet-contracts-rpc-runtime-api 0.8.0-rc6 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e3c0b289e6d9c3b6763b380af8fc723b001b6b6e14a4522086c4413106952dd5
[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" "e3c0b289e6d9c3b6763b380af8fc723b001b6b6e14a4522086c4413106952dd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3c0b289e6d9c3b6763b380af8fc723b001b6b6e14a4522086c4413106952dd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3c0b289e6d9c3b6763b380af8fc723b001b6b6e14a4522086c4413106952dd5", kill_on_drop: false }`
[INFO] [stdout] e3c0b289e6d9c3b6763b380af8fc723b001b6b6e14a4522086c4413106952dd5
[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" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b44c52cf2518b6f8ec675d8631cf7e3975633bdf94aa5ae988f440b349fca96
[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" "1b44c52cf2518b6f8ec675d8631cf7e3975633bdf94aa5ae988f440b349fca96", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking tiny-bip39 v0.7.3
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking num-integer v0.1.43
[INFO] [stderr]     Checking integer-sqrt v0.1.4
[INFO] [stderr]     Checking sp-arithmetic v2.0.0-rc6
[INFO] [stderr]     Checking num-bigint v0.2.6
[INFO] [stderr]     Checking num-rational v0.2.4
[INFO] [stderr]     Checking wasmi v0.6.2
[INFO] [stderr]     Checking sp-wasm-interface v2.0.0-rc6
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking sp-runtime-interface v2.0.0-rc6
[INFO] [stderr]     Checking sp-core v2.0.0-rc6
[INFO] [stderr]     Checking sp-trie v2.0.0-rc6
[INFO] [stderr]     Checking sp-inherents v2.0.0-rc6
[INFO] [stderr]     Checking sp-state-machine v0.8.0-rc6
[INFO] [stderr]     Checking sp-io v2.0.0-rc6
[INFO] [stderr]     Checking sp-application-crypto v2.0.0-rc6
[INFO] [stderr]     Checking sp-runtime v2.0.0-rc6
[INFO] [stderr]     Checking sp-version v2.0.0-rc6
[INFO] [stderr]     Checking pallet-contracts-primitives v2.0.0-rc6
[INFO] [stderr]     Checking sp-api v2.0.0-rc6
[INFO] [stderr]     Checking pallet-contracts-rpc-runtime-api v0.8.0-rc6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.67s
[INFO] running `Command { std: "docker" "inspect" "1b44c52cf2518b6f8ec675d8631cf7e3975633bdf94aa5ae988f440b349fca96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b44c52cf2518b6f8ec675d8631cf7e3975633bdf94aa5ae988f440b349fca96", kill_on_drop: false }`
[INFO] [stdout] 1b44c52cf2518b6f8ec675d8631cf7e3975633bdf94aa5ae988f440b349fca96