[INFO] fetching crate frame-benchmarking 2.0.0-rc5...
[INFO] checking frame-benchmarking-2.0.0-rc5 against master#db870ea71b6dcc7a91b999420b88f41d3cdd13e1 for pr-75192
[INFO] extracting crate frame-benchmarking 2.0.0-rc5 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate frame-benchmarking 2.0.0-rc5 on toolchain db870ea71b6dcc7a91b999420b88f41d3cdd13e1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate frame-benchmarking 2.0.0-rc5
[INFO] finished tweaking crates.io crate frame-benchmarking 2.0.0-rc5
[INFO] tweaked toml for crates.io crate frame-benchmarking 2.0.0-rc5 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7211f377c0c310bc1052d6c93b0621d3f6ca85147675dfc8345d9c62daaef60d
[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" "7211f377c0c310bc1052d6c93b0621d3f6ca85147675dfc8345d9c62daaef60d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7211f377c0c310bc1052d6c93b0621d3f6ca85147675dfc8345d9c62daaef60d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7211f377c0c310bc1052d6c93b0621d3f6ca85147675dfc8345d9c62daaef60d", kill_on_drop: false }`
[INFO] [stdout] 7211f377c0c310bc1052d6c93b0621d3f6ca85147675dfc8345d9c62daaef60d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e7be6fd67d2152df25434c2dcb840fa1a308eeed05967790fea03374e5eeaa6
[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" "5e7be6fd67d2152df25434c2dcb840fa1a308eeed05967790fea03374e5eeaa6", kill_on_drop: false }`
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling constant_time_eq v0.1.5
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling rental-impl v0.5.5
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]     Checking pin-project v0.4.23
[INFO] [stderr]     Checking ref-cast v1.0.2
[INFO] [stderr]     Checking tracing v0.1.19
[INFO] [stderr]     Checking dyn-clonable v0.9.0
[INFO] [stderr]     Checking zeroize v1.1.0
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking curve25519-dalek v2.1.0
[INFO] [stderr]     Checking merlin v2.0.0
[INFO] [stderr]     Checking curve25519-dalek v3.0.0
[INFO] [stderr]     Checking secrecy v0.6.0
[INFO] [stderr]     Checking tiny-bip39 v0.7.3
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]    Compiling blake2-rfc v0.2.18
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking schnorrkel v0.9.1
[INFO] [stderr]     Checking statrs v0.10.0
[INFO] [stderr]     Checking num-integer v0.1.43
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking substrate-bip39 v0.4.2
[INFO] [stderr]     Checking num-bigint v0.2.6
[INFO] [stderr]     Checking alga v0.9.3
[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 futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking impl-serde v0.3.1
[INFO] [stderr]     Checking impl-serde v0.2.3
[INFO] [stderr]     Checking ed25519-dalek v1.0.0
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling frame-support-procedural-tools v2.0.0-rc6
[INFO] [stderr]     Checking rental v0.5.5
[INFO] [stderr]    Compiling parity-scale-codec-derive v1.2.1
[INFO] [stderr]    Compiling sp-runtime-interface-proc-macro v2.0.0-rc6
[INFO] [stderr]    Compiling sp-api-proc-macro v2.0.0-rc6
[INFO] [stderr]    Compiling frame-support-procedural v2.0.0-rc6
[INFO] [stderr]     Checking sp-tracing v2.0.0-rc6
[INFO] [stderr]     Checking parity-scale-codec v1.3.4
[INFO] [stderr] error: could not compile `sp-api-proc-macro`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name sp_api_proc_macro --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/sp-api-proc-macro-2.0.0-rc6/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -Cembed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="std"' -C metadata=469e8e1a3c73ef68 -C extra-filename=-469e8e1a3c73ef68 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern blake2_rfc=/opt/rustwide/target/debug/deps/libblake2_rfc-8ea24e184bc66943.rlib --extern proc_macro_crate=/opt/rustwide/target/debug/deps/libproc_macro_crate-515535903ce54ede.rlib --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-091210945e98acc4.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-a7a073445149a473.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-88c6c1321a6a8549.rlib --extern proc_macro --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "5e7be6fd67d2152df25434c2dcb840fa1a308eeed05967790fea03374e5eeaa6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e7be6fd67d2152df25434c2dcb840fa1a308eeed05967790fea03374e5eeaa6", kill_on_drop: false }`
[INFO] [stdout] 5e7be6fd67d2152df25434c2dcb840fa1a308eeed05967790fea03374e5eeaa6