[INFO] crate sp-block-builder 2.0.0-alpha.6 is already in cache
[INFO] checking sp-block-builder-2.0.0-alpha.6 against try#d93021f5faa26e4f9d2719e79f9974e06aa40e17 for pr-71873
[INFO] extracting crate sp-block-builder 2.0.0-alpha.6 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate sp-block-builder 2.0.0-alpha.6 on toolchain d93021f5faa26e4f9d2719e79f9974e06aa40e17
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d93021f5faa26e4f9d2719e79f9974e06aa40e17" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate sp-block-builder 2.0.0-alpha.6
[INFO] finished tweaking crates.io crate sp-block-builder 2.0.0-alpha.6
[INFO] tweaked toml for crates.io crate sp-block-builder 2.0.0-alpha.6 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d93021f5faa26e4f9d2719e79f9974e06aa40e17" "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" "+d93021f5faa26e4f9d2719e79f9974e06aa40e17" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+d93021f5faa26e4f9d2719e79f9974e06aa40e17" "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] bf28cd0b59407f0e06144fd396f7f9b99340caed03e7fb6c06d1c6af9e376258
[INFO] running `"docker" "start" "-a" "bf28cd0b59407f0e06144fd396f7f9b99340caed03e7fb6c06d1c6af9e376258"`
[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]     Checking hash-db v0.15.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]     Checking integer-sqrt v0.1.3
[INFO] [stderr]    Compiling constant_time_eq v0.1.5
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]     Checking sp-panic-handler v2.0.0-alpha.8
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]    Compiling derive_more v0.99.7
[INFO] [stderr]    Compiling paste-impl v0.1.12
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking trie-root v0.16.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling hashbrown v0.6.3
[INFO] [stderr]    Compiling blake2-rfc v0.2.18
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling const-random-macro v0.1.8
[INFO] [stderr]    Compiling sp-api-proc-macro v2.0.0-alpha.8
[INFO] [stderr]     Checking paste v0.1.12
[INFO] [stderr]     Checking fixed-hash v0.6.1
[INFO] [stderr]     Checking schnorrkel v0.9.1
[INFO] [stderr]     Checking twox-hash v1.5.0
[INFO] [stderr]     Checking ed25519-dalek v1.0.0-pre.3
[INFO] [stderr]     Checking libsecp256k1 v0.3.5
[INFO] [stderr]     Checking tiny-bip39 v0.7.3
[INFO] [stderr]     Checking primitive-types v0.7.2
[INFO] [stderr]     Checking const-random v0.1.8
[INFO] [stderr]     Checking ahash v0.2.18
[INFO] [stderr]     Checking substrate-bip39 v0.4.1
[INFO] [stderr]     Checking trie-db v0.20.1
[INFO] [stderr]     Checking sp-runtime-interface v2.0.0-alpha.8
[INFO] [stderr]     Checking sp-arithmetic v2.0.0-alpha.8
[INFO] [stderr]     Checking memory-db v0.20.1
[INFO] [stderr]     Checking sp-core v2.0.0-alpha.8
[INFO] [stderr]     Checking sp-trie v2.0.0-alpha.8
[INFO] [stderr]     Checking sp-inherents v2.0.0-alpha.8
[INFO] [stderr]     Checking sp-state-machine v0.8.0-alpha.8
[INFO] [stderr]     Checking sp-io v2.0.0-alpha.8
[INFO] [stderr]     Checking sp-application-crypto v2.0.0-alpha.8
[INFO] [stderr]     Checking sp-runtime v2.0.0-alpha.8
[INFO] [stderr]     Checking sp-version v2.0.0-alpha.8
[INFO] [stderr]     Checking sp-api v2.0.0-alpha.8
[INFO] [stderr]     Checking sp-block-builder v2.0.0-alpha.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 30s
[INFO] running `"docker" "inspect" "bf28cd0b59407f0e06144fd396f7f9b99340caed03e7fb6c06d1c6af9e376258"`
[INFO] running `"docker" "rm" "-f" "bf28cd0b59407f0e06144fd396f7f9b99340caed03e7fb6c06d1c6af9e376258"`
[INFO] [stdout] bf28cd0b59407f0e06144fd396f7f9b99340caed03e7fb6c06d1c6af9e376258