[INFO] crate sc-consensus-babe 0.8.0-alpha.5 is already in cache
[INFO] checking sc-consensus-babe-0.8.0-alpha.5 against try#8a5e87609850cdd8679aada01eb0f3062f254ca8 for pr-71140
[INFO] extracting crate sc-consensus-babe 0.8.0-alpha.5 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate sc-consensus-babe 0.8.0-alpha.5 on toolchain 8a5e87609850cdd8679aada01eb0f3062f254ca8
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate sc-consensus-babe 0.8.0-alpha.5
[INFO] finished tweaking crates.io crate sc-consensus-babe 0.8.0-alpha.5
[INFO] tweaked toml for crates.io crate sc-consensus-babe 0.8.0-alpha.5 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "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" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "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-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" "/opt/rustwide/cargo-home/bin/cargo" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 71be177bab9f01daf5f6a0445b9e71680eba3e29b63e42a1f7a6aedb4b0fe0dd
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "71be177bab9f01daf5f6a0445b9e71680eba3e29b63e42a1f7a6aedb4b0fe0dd"`
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]     Checking futures-core v0.3.4
[INFO] [stderr]     Checking futures-task v0.3.4
[INFO] [stderr]     Checking futures-io v0.3.4
[INFO] [stderr]     Checking sp-std v2.0.0-alpha.6
[INFO] [stderr]    Compiling parity-util-mem v0.6.1
[INFO] [stderr]     Checking unsigned-varint v0.3.3
[INFO] [stderr]    Compiling prometheus v0.8.0
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]    Compiling sc-consensus-slots v0.8.0-alpha.6
[INFO] [stderr]     Checking bitvec v0.17.4
[INFO] [stderr]     Checking wasmi-validation v0.3.0
[INFO] [stderr]     Checking blake2b_simd v0.5.10
[INFO] [stderr]     Checking blake2s_simd v0.5.10
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking uint v0.8.2
[INFO] [stderr]     Checking webpki v0.21.2
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking sp-panic-handler v2.0.0-alpha.6
[INFO] [stderr]     Checking futures-channel v0.3.4
[INFO] [stderr]     Checking quicksink v0.1.2
[INFO] [stderr]     Checking tokio v0.2.18
[INFO] [stderr]     Checking pbkdf2 v0.3.0
[INFO] [stderr]     Checking num-rational v0.2.4
[INFO] [stderr]     Checking fixed-hash v0.6.0
[INFO] [stderr]     Checking hashbrown v0.6.3
[INFO] [stderr]     Checking libsecp256k1 v0.3.5
[INFO] [stderr]     Checking rustls v0.17.0
[INFO] [stderr]     Checking webpki-roots v0.19.0
[INFO] [stderr]     Checking webpki-roots v0.18.0
[INFO] [stderr]     Checking multihash v0.10.1
[INFO] [stderr]     Checking wasmi v0.6.2
[INFO] [stderr]     Checking trie-db v0.20.1
[INFO] [stderr]     Checking lru v0.4.3
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.60
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.60
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling zeroize_derive v1.0.0
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.1.3
[INFO] [stderr]    Compiling sp-debug-derive v2.0.0-alpha.6
[INFO] [stderr]    Compiling parity-util-mem-derive v0.1.0
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]    Compiling derive_more v0.99.5
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.15
[INFO] [stderr]    Compiling pin-project-internal v0.4.9
[INFO] [stderr]    Compiling paste-impl v0.1.10
[INFO] [stderr]    Compiling asn1_der_derive v0.1.2
[INFO] [stderr]    Compiling libp2p-core-derive v0.18.0
[INFO] [stderr]    Compiling strum_macros v0.16.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.7
[INFO] [stderr] error: could not compile `impl-trait-for-tuples`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name impl_trait_for_tuples --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/impl-trait-for-tuples-0.1.3/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C debuginfo=2 -C metadata=3fb3986fc672014d -C extra-filename=-3fb3986fc672014d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-8e3ab0b21978aa96.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-e85f06c4f5f19e7f.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-b3b8eb662561ce67.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" "71be177bab9f01daf5f6a0445b9e71680eba3e29b63e42a1f7a6aedb4b0fe0dd"`
[INFO] running `"docker" "rm" "-f" "71be177bab9f01daf5f6a0445b9e71680eba3e29b63e42a1f7a6aedb4b0fe0dd"`
[INFO] [stdout] 71be177bab9f01daf5f6a0445b9e71680eba3e29b63e42a1f7a6aedb4b0fe0dd