[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 try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffiliplazovic%2Fsubstrate-merkle-tree" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/filiplazovic/substrate-merkle-tree on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "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-5/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" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded primitive-types v0.1.4
[INFO] [stderr]   Downloaded impl-codec v0.1.1
[INFO] [stderr]   Downloaded wasmi v0.4.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 63713d221ade8c61b5931ae7ccc339ff1eb0a74f27987420d6928b119f386b2c
[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" "63713d221ade8c61b5931ae7ccc339ff1eb0a74f27987420d6928b119f386b2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63713d221ade8c61b5931ae7ccc339ff1eb0a74f27987420d6928b119f386b2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63713d221ade8c61b5931ae7ccc339ff1eb0a74f27987420d6928b119f386b2c", kill_on_drop: false }`
[INFO] [stdout] 63713d221ade8c61b5931ae7ccc339ff1eb0a74f27987420d6928b119f386b2c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6d0d64c0a3b68d4743c1be9cdc9620dbbbe84af758fca664deaeaf7b2926125
[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" "a6d0d64c0a3b68d4743c1be9cdc9620dbbbe84af758fca664deaeaf7b2926125", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling arrayvec v0.4.9
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]    Compiling serde v1.0.82
[INFO] [stderr]    Compiling crunchy v0.1.6
[INFO] [stderr]     Checking constant_time_eq v0.1.3
[INFO] [stderr]     Checking futures v0.1.25
[INFO] [stderr]    Compiling heapsize v0.4.2
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling proc-macro-hack-impl v0.4.1
[INFO] [stderr]     Checking hash-db v0.9.0 (https://github.com/paritytech/trie#2616db2a)
[INFO] [stderr]     Checking rustc-hex v2.0.1
[INFO] [stderr]    Compiling crunchy v0.2.1
[INFO] [stderr]     Checking static_assertions v0.2.5
[INFO] [stderr]     Checking memory_units v0.3.0
[INFO] [stderr]     Checking base58 v0.1.0
[INFO] [stderr]     Checking environmental v1.0.0
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]     Checking integer-sqrt v0.1.2
[INFO] [stderr]     Checking byte-tools v0.2.0
[INFO] [stderr]    Compiling httparse v1.3.3
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking arrayref v0.3.5
[INFO] [stderr]    Compiling openssl v0.10.16
[INFO] [stderr]     Checking once_cell v0.1.6
[INFO] [stderr]    Compiling protobuf v2.2.0
[INFO] [stderr]     Checking sha1 v0.5.0
[INFO] [stderr]     Checking data-encoding v2.1.1
[INFO] [stderr]     Checking bs58 v0.2.2
[INFO] [stderr]    Compiling slog v2.4.1
[INFO] [stderr]     Checking parity-bytes v0.1.0 (https://github.com/paritytech/parity-common?rev=616b40150ded71f57f650067fcbc5c99d7c343e6#616b4015)
[INFO] [stderr]     Checking owning_ref v0.2.4
[INFO] [stderr]     Checking safemem v0.2.0
[INFO] [stderr]     Checking remove_dir_all v0.5.1
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling subtle v1.0.0
[INFO] [stderr]    Compiling native-tls v0.2.2
[INFO] [stderr]     Checking safemem v0.3.0
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]     Checking opaque-debug v0.1.1
[INFO] [stderr]    Compiling termcolor v1.0.4
[INFO] [stderr]    Compiling bindgen v0.37.4
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]     Checking nohash-hasher v0.1.1
[INFO] [stderr]     Checking etrace v1.1.1
[INFO] [stderr]     Checking quick-error v0.1.4
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]     Checking rustc-hex v1.0.0
[INFO] [stderr]     Checking failure v0.1.3
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]    Compiling make-cmd v0.1.0
[INFO] [stderr]     Checking indexmap v1.0.2
[INFO] [stderr]     Checking try-lock v0.2.2
[INFO] [stderr]     Checking linked-hash-map v0.5.1
[INFO] [stderr]     Checking interleaved-ordered v0.1.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.11
[INFO] [stderr]     Checking subtle v0.5.1
[INFO] [stderr]     Checking target_info v0.1.0
[INFO] [stderr]    Compiling names v0.11.0
[INFO] [stderr]    Compiling sysinfo v0.7.0
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking rand_xorshift v0.1.0
[INFO] [stderr]     Checking crossbeam-utils v0.6.3
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]    Compiling proc-macro2 v0.3.5
[INFO] [stderr]    Compiling log v0.4.6
[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 humantime v1.2.0
[INFO] [stderr]    Compiling clang-sys v0.23.0
[INFO] [stderr]     Checking regex-syntax v0.6.4
[INFO] [stderr]     Checking trie-root v0.9.0 (https://github.com/paritytech/trie#2616db2a)
[INFO] [stderr]     Checking block-buffer v0.3.3
[INFO] [stderr]    Compiling textwrap v0.10.0
[INFO] [stderr]     Checking lru-cache v0.1.1
[INFO] [stderr]     Checking asn1_der v0.5.10
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking lock_api v0.1.5
[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 smallvec v0.6.7
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking app_dirs v1.2.1
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking rand v0.4.3
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]     Checking fs-swap v0.2.4
[INFO] [stderr]     Checking fdlimit v0.1.1
[INFO] [stderr]     Checking nix v0.11.0
[INFO] [stderr]    Compiling rand_chacha v0.1.0
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling rand v0.6.1
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[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 generic-array v0.9.0
[INFO] [stderr]     Checking hash256-std-hasher v0.9.0 (https://github.com/paritytech/trie#2616db2a)
[INFO] [stderr]     Checking tiny-keccak v1.4.2
[INFO] [stderr]     Checking bigint v4.4.1
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]    Compiling proc-macro-hack v0.4.1
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]    Compiling syn v0.15.23
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking bytes v0.4.11
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking digest v0.7.6
[INFO] [stderr]     Checking crypto-mac v0.5.2
[INFO] [stderr]     Checking block-cipher-trait v0.5.3
[INFO] [stderr]     Checking stream-cipher v0.1.1
[INFO] [stderr]     Checking crypto-mac v0.6.2
[INFO] [stderr]    Compiling num_cpus v1.9.0
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling which v1.0.5
[INFO] [stderr]    Compiling time v0.1.41
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]    Compiling hex-literal-impl v0.1.1
[INFO] [stderr]    Compiling mashup-impl v0.1.9
[INFO] [stderr]     Checking slog-async v2.3.0
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]     Checking uint v0.5.0
[INFO] [stderr]     Checking elastic-array v0.10.0
[INFO] [stderr]     Checking memory-db v0.9.0 (https://github.com/paritytech/trie#2616db2a)
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]     Checking sha2 v0.7.1
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking aes-soft v0.2.0
[INFO] [stderr]     Checking ctr v0.1.1
[INFO] [stderr]     Checking twofish v0.1.0
[INFO] [stderr]     Checking blake2 v0.7.1
[INFO] [stderr]     Checking hmac v0.6.3
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]     Checking http v0.1.14
[INFO] [stderr]     Checking blake2-rfc v0.2.18
[INFO] [stderr]     Checking crossbeam-epoch v0.7.0
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking twox-hash v1.1.2
[INFO] [stderr]     Checking tokio-io v0.1.10
[INFO] [stderr]     Checking tokio-executor v0.1.5
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking want v0.0.6
[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 --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 -C metadata=5e10539e11273dbe -C extra-filename=-5e10539e11273dbe --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern ucd_util=/opt/rustwide/target/debug/deps/libucd_util-15a635bbc671cd5a.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" "a6d0d64c0a3b68d4743c1be9cdc9620dbbbe84af758fca664deaeaf7b2926125", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6d0d64c0a3b68d4743c1be9cdc9620dbbbe84af758fca664deaeaf7b2926125", kill_on_drop: false }`
[INFO] [stdout] a6d0d64c0a3b68d4743c1be9cdc9620dbbbe84af758fca664deaeaf7b2926125