[INFO] fetching crate sp-keyring 2.0.0-rc3...
[INFO] checking sp-keyring-2.0.0-rc3 against master#4fb54ed484e2239a3e9eff3be17df00d2a162be3 for pr-73345
[INFO] extracting crate sp-keyring 2.0.0-rc3 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate sp-keyring 2.0.0-rc3 on toolchain 4fb54ed484e2239a3e9eff3be17df00d2a162be3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sp-keyring 2.0.0-rc3
[INFO] finished tweaking crates.io crate sp-keyring 2.0.0-rc3
[INFO] tweaked toml for crates.io crate sp-keyring 2.0.0-rc3 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "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] 48d4e78d8572089430fc34468ea0b962c571d32203d7e50a067a89a7c0441286
[INFO] running `Command { std: "docker" "start" "-a" "48d4e78d8572089430fc34468ea0b962c571d32203d7e50a067a89a7c0441286", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48d4e78d8572089430fc34468ea0b962c571d32203d7e50a067a89a7c0441286", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48d4e78d8572089430fc34468ea0b962c571d32203d7e50a067a89a7c0441286", kill_on_drop: false }`
[INFO] [stdout] 48d4e78d8572089430fc34468ea0b962c571d32203d7e50a067a89a7c0441286
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b9e1d2e9520696551fda7b7967d17389e7fd0a01d3870a5e3431c8a30b8ca6d7
[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" "b9e1d2e9520696551fda7b7967d17389e7fd0a01d3870a5e3431c8a30b8ca6d7", kill_on_drop: false }`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling parity-util-mem v0.6.1
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking hash-db v0.15.2
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking integer-sqrt v0.1.3
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]     Checking sp-panic-handler v2.0.0-rc3
[INFO] [stderr]    Compiling paste-impl v0.1.16
[INFO] [stderr]     Checking libsecp256k1 v0.3.5
[INFO] [stderr]     Checking trie-root v0.16.0
[INFO] [stderr]     Checking sp-arithmetic v2.0.0-rc3
[INFO] [stderr]    Compiling hashbrown v0.6.3
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling strum_macros v0.16.0
[INFO] [stderr]    Compiling const-random-macro v0.1.8
[INFO] [stderr]     Checking paste v0.1.16
[INFO] [stderr]     Checking const-random v0.1.8
[INFO] [stderr]     Checking ahash v0.2.18
[INFO] [stderr]     Checking memory-db v0.20.1
[INFO] [stderr]     Checking trie-db v0.20.1
[INFO] [stderr]     Checking strum v0.16.0
[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 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-keyring v2.0.0-rc3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.14s
[INFO] running `Command { std: "docker" "inspect" "b9e1d2e9520696551fda7b7967d17389e7fd0a01d3870a5e3431c8a30b8ca6d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9e1d2e9520696551fda7b7967d17389e7fd0a01d3870a5e3431c8a30b8ca6d7", kill_on_drop: false }`
[INFO] [stdout] b9e1d2e9520696551fda7b7967d17389e7fd0a01d3870a5e3431c8a30b8ca6d7