[INFO] cloning repository https://github.com/filiplazovic/substrate-merkle-tree
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/filiplazovic/substrate-merkle-tree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffiliplazovic%2Fsubstrate-merkle-tree", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffiliplazovic%2Fsubstrate-merkle-tree'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c5a8bd3ff4023c6e3801286a2f65fed8e6c0ca24
[INFO] checking filiplazovic/substrate-merkle-tree against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffiliplazovic%2Fsubstrate-merkle-tree" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/filiplazovic/substrate-merkle-tree on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/filiplazovic/substrate-merkle-tree
[INFO] finished tweaking git repo https://github.com/filiplazovic/substrate-merkle-tree
[INFO] tweaked toml for git repo https://github.com/filiplazovic/substrate-merkle-tree written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/filiplazovic/substrate-merkle-tree already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ff3f1c5c18f165353950a6e7f3238df26eeabdea8bd961a8bd4e81e0cba8915
[INFO] running `Command { std: "docker" "start" "-a" "1ff3f1c5c18f165353950a6e7f3238df26eeabdea8bd961a8bd4e81e0cba8915", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ff3f1c5c18f165353950a6e7f3238df26eeabdea8bd961a8bd4e81e0cba8915", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ff3f1c5c18f165353950a6e7f3238df26eeabdea8bd961a8bd4e81e0cba8915", kill_on_drop: false }`
[INFO] [stdout] 1ff3f1c5c18f165353950a6e7f3238df26eeabdea8bd961a8bd4e81e0cba8915
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 284d8ef6dc245cc5dfe1194669092b28f46075089d1c5fe680cd9e326024cd2e
[INFO] running `Command { std: "docker" "start" "-a" "284d8ef6dc245cc5dfe1194669092b28f46075089d1c5fe680cd9e326024cd2e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]    Compiling arrayvec v0.4.9
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]    Compiling lazy_static v1.2.0
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]    Compiling serde v1.0.82
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]     Checking hash-db v0.9.0 (https://github.com/paritytech/trie#2616db2a)
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]     Checking environmental v1.0.0
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]     Checking byte-tools v0.2.0
[INFO] [stderr]    Compiling openssl v0.10.16
[INFO] [stderr]     Checking once_cell v0.1.6
[INFO] [stderr]     Checking rustc-demangle v0.1.11
[INFO] [stderr]     Checking sha1 v0.5.0
[INFO] [stderr]    Compiling protobuf v2.2.0
[INFO] [stderr]     Checking data-encoding v2.1.1
[INFO] [stderr]    Compiling slog v2.4.1
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]     Checking parity-bytes v0.1.0 (https://github.com/paritytech/parity-common?rev=616b40150ded71f57f650067fcbc5c99d7c343e6#616b4015)
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking owning_ref v0.2.4
[INFO] [stderr]    Compiling rand_core v0.3.0
[INFO] [stderr]     Checking remove_dir_all v0.5.1
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]    Compiling subtle v1.0.0
[INFO] [stderr]     Checking opaque-debug v0.1.1
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]    Compiling bindgen v0.37.4
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]     Checking etrace v1.1.1
[INFO] [stderr]     Checking failure v0.1.3
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking rustc-hex v1.0.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling make-cmd v0.1.0
[INFO] [stderr]     Checking string v0.1.2
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]    Compiling unicode-segmentation v1.2.1
[INFO] [stderr]     Checking subtle v0.5.1
[INFO] [stderr]    Compiling sysinfo v0.7.0
[INFO] [stderr]    Compiling nix v0.11.0
[INFO] [stderr]     Checking rand_xorshift v0.1.0
[INFO] [stderr]    Compiling proc-macro2 v0.3.5
[INFO] [stderr]    Compiling backtrace v0.3.13
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]    Compiling unicase v2.2.0
[INFO] [stderr]     Checking unsigned-varint v0.1.0
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking crossbeam-utils v0.6.3
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]     Checking trie-root v0.9.0 (https://github.com/paritytech/trie#2616db2a)
[INFO] [stderr]     Checking regex-syntax v0.6.4
[INFO] [stderr]     Checking block-buffer v0.3.3
[INFO] [stderr]    Compiling rand_core v0.2.2
[INFO] [stderr]     Checking parity-wasm v0.31.3
[INFO] [stderr]     Checking base64 v0.7.0
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking asn1_der v0.5.10
[INFO] [stderr]     Checking app_dirs v1.2.1
[INFO] [stderr]    Compiling hex-literal-impl v0.1.1
[INFO] [stderr]     Checking tokio-current-thread v0.1.4
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking tokio-timer v0.2.8
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking want v0.0.6
[INFO] [stderr]    Compiling rand_chacha v0.1.0
[INFO] [stderr]    Compiling rand v0.6.1
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling sr-std v0.1.0 (https://github.com/paritytech/substrate#5dd23c2c)
[INFO] [stderr]    Compiling sr-io v0.1.0 (https://github.com/paritytech/substrate#5dd23c2c)
[INFO] [stderr]    Compiling safe-mix v1.0.0
[INFO] [stderr]    Compiling sr-std v0.1.0 (https://github.com/paritytech/substrate?branch=v0.9#ef03e8a6)
[INFO] [stderr]    Compiling sr-sandbox v0.1.0 (https://github.com/paritytech/substrate#5dd23c2c)
[INFO] [stderr]    Compiling sr-io v0.1.0 (https://github.com/paritytech/substrate?branch=v0.9#ef03e8a6)
[INFO] [stderr]     Checking hash256-std-hasher v0.9.0 (https://github.com/paritytech/trie#2616db2a)
[INFO] [stderr]     Checking bigint v4.4.1
[INFO] [stderr]     Checking elastic-array v0.10.0
[INFO] [stderr]     Checking memory-db v0.9.0 (https://github.com/paritytech/trie#2616db2a)
[INFO] [stderr]     Checking uint v0.5.0
[INFO] [stderr]     Checking num-integer v0.1.39
[INFO] [stderr]    Compiling heck v0.3.0
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]    Compiling clang-sys v0.23.0
[INFO] [stderr]     Checking kvdb v0.1.0 (https://github.com/paritytech/parity-common?rev=616b40150ded71f57f650067fcbc5c99d7c343e6#616b4015)
[INFO] [stderr]     Checking slog-async v2.3.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling blake2-rfc v0.2.18
[INFO] [stderr]     Checking crossbeam-epoch v0.7.0
[INFO] [stderr]     Checking hex-literal v0.1.1
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking rand v0.4.3
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking num_cpus v1.9.0
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking time v0.1.41
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]     Checking fs-swap v0.2.4
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking fdlimit v0.1.1
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling which v1.0.5
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking bytes v0.4.11
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking generic-array v0.9.0
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]     Checking wasmi v0.4.3
[INFO] [stderr]     Checking pwasm-utils v0.3.1
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking trie-db v0.9.0 (https://github.com/paritytech/trie#2616db2a)
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr] error: could not compile `regex-syntax`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name regex_syntax /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-syntax-0.6.4/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 -C metadata=0e56f8ad867dab4d -C extra-filename=-0e56f8ad867dab4d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern ucd_util=/opt/rustwide/target/debug/deps/libucd_util-6788b4990e2fcc67.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" "284d8ef6dc245cc5dfe1194669092b28f46075089d1c5fe680cd9e326024cd2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "284d8ef6dc245cc5dfe1194669092b28f46075089d1c5fe680cd9e326024cd2e", kill_on_drop: false }`
[INFO] [stdout] 284d8ef6dc245cc5dfe1194669092b28f46075089d1c5fe680cd9e326024cd2e