[INFO] cloning repository https://github.com/mytechtip/substrate-poe-dapp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mytechtip/substrate-poe-dapp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmytechtip%2Fsubstrate-poe-dapp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmytechtip%2Fsubstrate-poe-dapp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 94cb56b24adfaf0892fcb7d8fef3e6a38165df3a
[INFO] checking mytechtip/substrate-poe-dapp against master#c5fbcd35a8217a17f6b63a22217ace06cf8f5f02 for pr-86194
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmytechtip%2Fsubstrate-poe-dapp" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mytechtip/substrate-poe-dapp on toolchain c5fbcd35a8217a17f6b63a22217ace06cf8f5f02
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mytechtip/substrate-poe-dapp
[INFO] finished tweaking git repo https://github.com/mytechtip/substrate-poe-dapp
[INFO] tweaked toml for git repo https://github.com/mytechtip/substrate-poe-dapp written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/mytechtip/substrate-poe-dapp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8cb38a14e5e09bb213f351f20a1fb72985b78abebe8aab3fdeb67c9805a342b8
[INFO] running `Command { std: "docker" "start" "-a" "8cb38a14e5e09bb213f351f20a1fb72985b78abebe8aab3fdeb67c9805a342b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8cb38a14e5e09bb213f351f20a1fb72985b78abebe8aab3fdeb67c9805a342b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cb38a14e5e09bb213f351f20a1fb72985b78abebe8aab3fdeb67c9805a342b8", kill_on_drop: false }`
[INFO] [stdout] 8cb38a14e5e09bb213f351f20a1fb72985b78abebe8aab3fdeb67c9805a342b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ecff3fb38f48b938d4fd5c1905cba7ceb54e5abde274d7170f01bd3f7959f3e
[INFO] running `Command { std: "docker" "start" "-a" "7ecff3fb38f48b938d4fd5c1905cba7ceb54e5abde274d7170f01bd3f7959f3e", kill_on_drop: false }`
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking sp-std v2.0.0-rc6 (https://github.com/paritytech/substrate.git?tag=v2.0.0-rc6#be8bb186)
[INFO] [stderr]     Checking environmental v1.1.1
[INFO] [stderr]    Compiling prometheus v0.9.0
[INFO] [stderr]    Compiling bindgen v0.53.3
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling substrate-wasm-builder-runner v1.0.6 (https://github.com/paritytech/substrate.git?tag=v2.0.0-rc6#be8bb186)
[INFO] [stderr]    Compiling sc-consensus-slots v0.8.0-rc6 (https://github.com/paritytech/substrate.git?tag=v2.0.0-rc6#be8bb186)
[INFO] [stderr]     Checking tracing-core v0.1.14
[INFO] [stderr]    Compiling hex-literal-impl v0.2.2
[INFO] [stderr]     Checking trie-root v0.16.0
[INFO] [stderr]    Compiling substrate-build-script-utils v2.0.0-rc6 (https://github.com/paritytech/substrate.git?tag=v2.0.0-rc6#be8bb186)
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking get_if_addrs v0.5.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking errno v0.2.6
[INFO] [stderr]     Checking wat v1.0.22
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking fs-swap v0.2.4
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking fdlimit v0.1.4
[INFO] [stderr]     Checking rpassword v4.0.5
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking region v2.2.0
[INFO] [stderr]     Checking nix v0.17.0
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking trie-db v0.22.1
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking block-cipher-trait v0.6.2
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking tokio-sync v0.2.0-alpha.6
[INFO] [stderr]     Checking bitvec v0.17.4
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking hashbrown v0.1.8
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]     Checking crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking num-integer v0.1.43
[INFO] [stderr]     Checking num-complex v0.2.4
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.1.3
[INFO] [stderr]    Compiling sp-debug-derive v2.0.0-rc6 (https://github.com/paritytech/substrate.git?tag=v2.0.0-rc6#be8bb186)
[INFO] [stderr]    Compiling rental-impl v0.5.5
[INFO] [stderr]    Compiling ref-cast-impl v1.0.2
[INFO] [stderr]    Compiling derive_more v0.99.9
[INFO] [stderr]    Compiling dyn-clonable-impl v0.9.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.65
[INFO] [stderr]    Compiling asn1_der_derive v0.1.2
[INFO] [stderr]    Compiling libp2p-core-derive v0.20.1
[INFO] [stderr]    Compiling scroll_derive v0.10.2
[INFO] [stderr]    Compiling frame-support-procedural-tools-derive v2.0.0-rc6 (https://github.com/paritytech/substrate.git?tag=v2.0.0-rc6#be8bb186)
[INFO] [stderr]    Compiling strum_macros v0.16.0
[INFO] [stderr]    Compiling slog_derive v0.2.0
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr] error: could not compile `tracing-attributes`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name tracing_attributes --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tracing-attributes-0.1.11/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=33a1bdc86dcc2ad2 -C extra-filename=-33a1bdc86dcc2ad2 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-568b3a563ff7fb3d.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-83260bb8ddf65144.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-528bfcaf63b4e101.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" "7ecff3fb38f48b938d4fd5c1905cba7ceb54e5abde274d7170f01bd3f7959f3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ecff3fb38f48b938d4fd5c1905cba7ceb54e5abde274d7170f01bd3f7959f3e", kill_on_drop: false }`
[INFO] [stdout] 7ecff3fb38f48b938d4fd5c1905cba7ceb54e5abde274d7170f01bd3f7959f3e