[INFO] crate pallet-session-benchmarking 2.0.0-alpha.5 is already in cache
[INFO] checking pallet-session-benchmarking-2.0.0-alpha.5 against master#6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257 for pr-70872
[INFO] extracting crate pallet-session-benchmarking 2.0.0-alpha.5 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate pallet-session-benchmarking 2.0.0-alpha.5 on toolchain 6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate pallet-session-benchmarking 2.0.0-alpha.5
[INFO] finished tweaking crates.io crate pallet-session-benchmarking 2.0.0-alpha.5
[INFO] tweaked toml for crates.io crate pallet-session-benchmarking 2.0.0-alpha.5 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "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-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" "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" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "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] fb12bd6171ed115722c1c9523c8b3af4ab3e6f603333ca2d33373290c450d312
[INFO] running `"docker" "start" "-a" "fb12bd6171ed115722c1c9523c8b3af4ab3e6f603333ca2d33373290c450d312"`
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking sp-std v2.0.0-alpha.5
[INFO] [stderr]     Checking parity-wasm v0.41.0
[INFO] [stderr]     Checking hash-db v0.15.2
[INFO] [stderr]     Checking environmental v1.1.1
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking base58 v0.1.0
[INFO] [stderr]     Checking integer-sqrt v0.1.3
[INFO] [stderr]    Compiling constant_time_eq v0.1.5
[INFO] [stderr]     Checking bitmask v0.5.0
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling hashbrown v0.6.3
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking blake2-rfc v0.2.18
[INFO] [stderr]     Checking statrs v0.10.0
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling sp-debug-derive v2.0.0-alpha.5
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.1.3
[INFO] [stderr]    Compiling derive_more v0.99.5
[INFO] [stderr]    Compiling paste-impl v0.1.10
[INFO] [stderr]    Compiling frame-support-procedural-tools-derive v2.0.0-alpha.5
[INFO] [stderr]    Compiling tracing-attributes v0.1.7
[INFO] [stderr]    Compiling strum_macros v0.16.0
[INFO] [stderr]     Checking num-bigint v0.2.6
[INFO] [stderr]     Checking alga v0.9.3
[INFO] [stderr]     Checking sp-panic-handler v2.0.0-alpha.5
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking trie-root v0.16.0
[INFO] [stderr]     Checking ahash v0.2.18
[INFO] [stderr]     Checking hmac-drbg v0.2.0
[INFO] [stderr]     Checking twox-hash v1.5.0
[INFO] [stderr]     Checking impl-serde v0.3.0
[INFO] [stderr]     Checking impl-serde v0.2.3
[INFO] [stderr]     Checking once_cell v1.3.1
[INFO] [stderr]    Compiling proc-macro-crate v0.1.4
[INFO] [stderr]     Checking tiny-keccak v2.0.2
[INFO] [stderr]     Checking hash256-std-hasher v0.15.2
[INFO] [stderr]     Checking paste v0.1.10
[INFO] [stderr]     Checking wasmi-validation v0.3.0
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking uint v0.8.2
[INFO] [stderr]     Checking fixed-hash v0.6.0
[INFO] [stderr]     Checking pbkdf2 v0.3.0
[INFO] [stderr]     Checking nalgebra v0.18.1
[INFO] [stderr]     Checking sha2 v0.8.1
[INFO] [stderr]     Checking trie-db v0.20.0
[INFO] [stderr]     Checking wasmi v0.6.2
[INFO] [stderr]    Compiling zeroize_derive v1.0.0
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]    Compiling parity-util-mem-derive v0.1.0
[INFO] [stderr]    Compiling frame-support-procedural-tools v2.0.0-alpha.5
[INFO] [stderr]    Compiling parity-scale-codec-derive v1.2.0
[INFO] [stderr]    Compiling sp-runtime-interface-proc-macro v2.0.0-alpha.5
[INFO] [stderr]    Compiling sp-api-proc-macro v2.0.0-alpha.5
[INFO] [stderr]     Checking libsecp256k1 v0.3.5
[INFO] [stderr]     Checking sp-storage v2.0.0-alpha.5
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking tracing v0.1.13
[INFO] [stderr]     Checking zeroize v1.1.0
[INFO] [stderr]     Checking strum v0.16.0
[INFO] [stderr]     Checking failure v0.1.7
[INFO] [stderr]     Checking curve25519-dalek v2.0.0
[INFO] [stderr]     Checking merlin v2.0.0
[INFO] [stderr]     Checking sp-externalities v0.8.0-alpha.5
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]     Checking tiny-bip39 v0.7.3
[INFO] [stderr]    Compiling frame-support-procedural v2.0.0-alpha.5
[INFO] [stderr]     Checking wasm-timer v0.2.4
[INFO] [stderr]     Checking schnorrkel v0.9.1
[INFO] [stderr]     Checking ed25519-dalek v1.0.0-pre.3
[INFO] [stderr]     Checking parity-scale-codec v1.3.0
[INFO] [stderr]     Checking substrate-bip39 v0.4.1
[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-alpha.5/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="std"' -C metadata=3f01c94bbfd0d1f5 -C extra-filename=-3f01c94bbfd0d1f5 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern blake2_rfc=/opt/rustwide/target/debug/deps/libblake2_rfc-fe88d00091ee373a.rlib --extern proc_macro_crate=/opt/rustwide/target/debug/deps/libproc_macro_crate-0961ce49a45b584a.rlib --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-a62aac480e2c9500.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-01b880ed41f5225d.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-866be74d54974c53.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 `"docker" "inspect" "fb12bd6171ed115722c1c9523c8b3af4ab3e6f603333ca2d33373290c450d312"`
[INFO] running `"docker" "rm" "-f" "fb12bd6171ed115722c1c9523c8b3af4ab3e6f603333ca2d33373290c450d312"`
[INFO] [stdout] fb12bd6171ed115722c1c9523c8b3af4ab3e6f603333ca2d33373290c450d312