[INFO] cloning repository https://github.com/tuminfei/hero-chain
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tuminfei/hero-chain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftuminfei%2Fhero-chain", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftuminfei%2Fhero-chain'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 186a7a9237d50ac9fed76c0a92b2fab38a79f22e
[INFO] checking tuminfei/hero-chain against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftuminfei%2Fhero-chain" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tuminfei/hero-chain on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tuminfei/hero-chain
[INFO] finished tweaking git repo https://github.com/tuminfei/hero-chain
[INFO] tweaked toml for git repo https://github.com/tuminfei/hero-chain written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/tuminfei/hero-chain already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "fetch" "--locked" "--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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 69f044c2205ce3cd3171be4844d42e8b4e57bc6f99109e76649dfb1820e2a40e
[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" "69f044c2205ce3cd3171be4844d42e8b4e57bc6f99109e76649dfb1820e2a40e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "69f044c2205ce3cd3171be4844d42e8b4e57bc6f99109e76649dfb1820e2a40e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69f044c2205ce3cd3171be4844d42e8b4e57bc6f99109e76649dfb1820e2a40e", kill_on_drop: false }`
[INFO] [stdout] 69f044c2205ce3cd3171be4844d42e8b4e57bc6f99109e76649dfb1820e2a40e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1cdbd23199fad4e3e264ac32c52240289d5ff6bb01d9d88934e941658220b0a3
[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" "1cdbd23199fad4e3e264ac32c52240289d5ff6bb01d9d88934e941658220b0a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.59
[INFO] [stderr]     Checking smallvec v0.6.10
[INFO] [stderr]    Compiling serde v1.0.94
[INFO] [stderr]     Checking futures v0.1.28
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling protobuf v2.7.0
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]     Checking regex-syntax v0.6.8
[INFO] [stderr]    Compiling crossbeam-utils v0.6.5
[INFO] [stderr]     Checking hashbrown v0.1.8
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking dns-parser v0.8.0
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]    Compiling sr-std v1.0.0 (https://github.com/paritytech/substrate.git?branch=v1.0#2e30b732)
[INFO] [stderr]    Compiling sr-io v1.0.0 (https://github.com/paritytech/substrate.git?branch=v1.0#2e30b732)
[INFO] [stderr]    Compiling hyper v0.12.32
[INFO] [stderr]    Compiling sr-sandbox v1.0.0 (https://github.com/paritytech/substrate.git?branch=v1.0#2e30b732)
[INFO] [stderr]     Checking uint v0.7.1
[INFO] [stderr]     Checking hash256-std-hasher v0.12.4
[INFO] [stderr]     Checking tiny-keccak v1.5.0
[INFO] [stderr]     Checking slog-async v2.3.0
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]     Checking pwasm-utils v0.6.2
[INFO] [stderr]     Checking unicode-normalization v0.1.8
[INFO] [stderr]     Checking crossbeam-epoch v0.7.1
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking crossbeam-channel v0.3.8
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking block-cipher-trait v0.6.2
[INFO] [stderr]     Checking stream-cipher v0.3.0
[INFO] [stderr]     Checking wasmi v0.4.5
[INFO] [stderr]     Checking pbkdf2 v0.2.3
[INFO] [stderr]     Checking pbkdf2 v0.3.0
[INFO] [stderr]     Checking aes-soft v0.3.3
[INFO] [stderr]     Checking twofish v0.2.0
[INFO] [stderr]     Checking block-modes v0.3.3
[INFO] [stderr]     Checking ctr v0.3.2
[INFO] [stderr]     Checking sha2 v0.8.0
[INFO] [stderr]     Checking sha3 v0.8.2
[INFO] [stderr]     Checking hmac v0.7.0
[INFO] [stderr]     Checking blake2 v0.8.0
[INFO] [stderr]     Checking sha-1 v0.8.1
[INFO] [stderr]     Checking ripemd160 v0.8.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]     Checking scrypt v0.1.2
[INFO] [stderr]     Checking tokio-executor v0.1.8
[INFO] [stderr]     Checking tokio-sync v0.1.6
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking aes v0.3.2
[INFO] [stderr]     Checking aes-ctr v0.3.0
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking get_if_addrs v0.5.3
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking fs-swap v0.2.4
[INFO] [stderr]     Checking fdlimit v0.1.1
[INFO] [stderr]     Checking aho-corasick v0.7.4
[INFO] [stderr]     Checking bstr v0.2.1
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking tokio-timer v0.2.11
[INFO] [stderr]     Checking tokio-current-thread v0.1.6
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking rayon-core v1.5.0
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking chrono v0.4.7
[INFO] [stderr]     Checking libsecp256k1 v0.2.2
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]     Checking regex v1.1.9
[INFO] [stderr]    Compiling cexpr v0.3.5
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking fixed-hash v0.3.2
[INFO] [stderr]     Checking parking_lot_core v0.3.1
[INFO] [stderr]     Checking rayon v1.1.0
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking http v0.1.17
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking cuckoofilter v0.3.2
[INFO] [stderr]     Checking names v0.11.0
[INFO] [stderr]     Checking parking_lot v0.5.5
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking twox-hash v1.4.2
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.15.39/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="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="fold"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' -C metadata=69b645726fed4897 -C extra-filename=-69b645726fed4897 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-ab33b97f38e6e831.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-26df988d87ba7de1.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-e62bdf8dd5704851.rmeta --cap-lints allow --cap-lints=forbid --cfg syn_can_match_trailing_dollar --cfg syn_can_use_thread_id --cfg syn_can_use_associated_constants --cfg syn_can_call_macro_by_path` (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" "1cdbd23199fad4e3e264ac32c52240289d5ff6bb01d9d88934e941658220b0a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cdbd23199fad4e3e264ac32c52240289d5ff6bb01d9d88934e941658220b0a3", kill_on_drop: false }`
[INFO] [stdout] 1cdbd23199fad4e3e264ac32c52240289d5ff6bb01d9d88934e941658220b0a3