[INFO] fetching crate sc-consensus-babe-rpc 0.8.1...
[INFO] checking sc-consensus-babe-rpc-0.8.1 against try#82acd1d76add2232e19c1f0feb250d2a19ec6efe for pr-81213
[INFO] extracting crate sc-consensus-babe-rpc 0.8.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate sc-consensus-babe-rpc 0.8.1 on toolchain 82acd1d76add2232e19c1f0feb250d2a19ec6efe
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sc-consensus-babe-rpc 0.8.1
[INFO] finished tweaking crates.io crate sc-consensus-babe-rpc 0.8.1
[INFO] tweaked toml for crates.io crate sc-consensus-babe-rpc 0.8.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e83b7416cf1059609b758020161aaca2c2d319a2994a5e98a34a7be2f2bb391e
[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" "e83b7416cf1059609b758020161aaca2c2d319a2994a5e98a34a7be2f2bb391e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e83b7416cf1059609b758020161aaca2c2d319a2994a5e98a34a7be2f2bb391e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e83b7416cf1059609b758020161aaca2c2d319a2994a5e98a34a7be2f2bb391e", kill_on_drop: false }`
[INFO] [stdout] e83b7416cf1059609b758020161aaca2c2d319a2994a5e98a34a7be2f2bb391e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d5d424fd91294f220b16ddfad922f7184f49706f0153f9519e3f1f4c5c9d6a5
[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" "1d5d424fd91294f220b16ddfad922f7184f49706f0153f9519e3f1f4c5c9d6a5", kill_on_drop: false }`
[INFO] [stderr]     Checking futures v0.1.30
[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]    Compiling sc-consensus-slots v0.8.1
[INFO] [stderr]     Checking pdqselect v0.1.0
[INFO] [stderr]     Checking retain_mut v0.1.2
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]    Compiling serde_derive v1.0.121
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling futures-macro v0.3.12
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.1.3
[INFO] [stderr]    Compiling ref-cast-impl v1.0.6
[INFO] [stderr]    Compiling sp-debug-derive v2.0.1
[INFO] [stderr]    Compiling derive_more v0.99.11
[INFO] [stderr]    Compiling dyn-clonable-impl v0.9.0
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling pin-project-internal v1.0.4
[INFO] [stderr]    Compiling asn1_der_derive v0.1.2
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.69
[INFO] [stderr]    Compiling libp2p-core-derive v0.20.2
[INFO] [stderr]    Compiling strum_macros v0.16.0
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking dyn-clonable v0.9.0
[INFO] [stderr]     Checking ref-cast v1.0.6
[INFO] [stderr]    Compiling zeroize_derive v1.0.1
[INFO] [stderr]    Compiling parity-util-mem-derive v0.1.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[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 embed-bitcode=no -C debuginfo=2 -C metadata=3c492f5de116d98b -C extra-filename=-3c492f5de116d98b --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-8a8bb825df9136cb.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-e6e45b372c4ec1ec.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-2622d171b40ac048.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" "1d5d424fd91294f220b16ddfad922f7184f49706f0153f9519e3f1f4c5c9d6a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d5d424fd91294f220b16ddfad922f7184f49706f0153f9519e3f1f4c5c9d6a5", kill_on_drop: false }`
[INFO] [stdout] 1d5d424fd91294f220b16ddfad922f7184f49706f0153f9519e3f1f4c5c9d6a5