[INFO] fetching crate sc-consensus-aura 0.9.0...
[INFO] testing sc-consensus-aura-0.9.0 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate sc-consensus-aura 0.9.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate sc-consensus-aura 0.9.0 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sc-consensus-aura 0.9.0
[INFO] finished tweaking crates.io crate sc-consensus-aura 0.9.0
[INFO] tweaked toml for crates.io crate sc-consensus-aura 0.9.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c2ef692f4595f9f37251bed817930882a73f59393cc1ee9af855d5fbe6e5a37c
[INFO] running `Command { std: "docker" "start" "-a" "c2ef692f4595f9f37251bed817930882a73f59393cc1ee9af855d5fbe6e5a37c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2ef692f4595f9f37251bed817930882a73f59393cc1ee9af855d5fbe6e5a37c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2ef692f4595f9f37251bed817930882a73f59393cc1ee9af855d5fbe6e5a37c", kill_on_drop: false }`
[INFO] [stdout] c2ef692f4595f9f37251bed817930882a73f59393cc1ee9af855d5fbe6e5a37c
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f646cdd4c34cdaee4c77d4ca209cb0443792520d65ef7203e565816a7e41ac79
[INFO] running `Command { std: "docker" "start" "-a" "f646cdd4c34cdaee4c77d4ca209cb0443792520d65ef7203e565816a7e41ac79", kill_on_drop: false }`
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling http v0.2.4
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling ctor v0.1.20
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.2.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling sp-debug-derive v3.0.0
[INFO] [stderr]    Compiling ref-cast-impl v1.0.6
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling dyn-clonable-impl v0.9.0
[INFO] [stderr]    Compiling derive_more v0.99.16
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling prost-derive v0.7.0
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling pin-project-internal v0.4.28
[INFO] [stderr]    Compiling asn1_der_derive v0.1.2
[INFO] [stderr]    Compiling libp2p-core-derive v0.21.0
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling async-executor v1.4.1
[INFO] [stderr]    Compiling blocking v1.0.2
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling lru v0.6.6
[INFO] [stderr]    Compiling libsecp256k1 v0.3.5
[INFO] [stderr]    Compiling crypto-mac v0.8.0
[INFO] [stderr]    Compiling hmac v0.8.1
[INFO] [stderr]    Compiling pbkdf2 v0.4.0
[INFO] [stderr]    Compiling sp-panic-handler v3.0.0
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling uint v0.9.1
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr] error: could not compile `backtrace`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name backtrace --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.61/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="std"' -C metadata=f296e00f3c56c2fa -C extra-filename=-f296e00f3c56c2fa --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern addr2line=/opt/rustwide/target/debug/deps/libaddr2line-8f6bc3816505c3da.rmeta --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-477585129feec44c.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-28182bd7f8d5f203.rmeta --extern miniz_oxide=/opt/rustwide/target/debug/deps/libminiz_oxide-b9be161bd4ca1b40.rmeta --extern object=/opt/rustwide/target/debug/deps/libobject-ff7218ab3c9206e5.rmeta --extern rustc_demangle=/opt/rustwide/target/debug/deps/librustc_demangle-066fc8b4483e5e43.rmeta --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" "f646cdd4c34cdaee4c77d4ca209cb0443792520d65ef7203e565816a7e41ac79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f646cdd4c34cdaee4c77d4ca209cb0443792520d65ef7203e565816a7e41ac79", kill_on_drop: false }`
[INFO] [stdout] f646cdd4c34cdaee4c77d4ca209cb0443792520d65ef7203e565816a7e41ac79