[INFO] cloning repository https://github.com/hugh-hoang/hello-substrate
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hugh-hoang/hello-substrate" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhugh-hoang%2Fhello-substrate", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhugh-hoang%2Fhello-substrate'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 19e5050d768eff7ad02790fd42e314c16777d551
[INFO] testing hugh-hoang/hello-substrate against master#404c8471aba60c2d837fa728e7c729a0f52d5830 for pr-87041-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhugh-hoang%2Fhello-substrate" "/workspace/builds/worker-97/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-97/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hugh-hoang/hello-substrate on toolchain 404c8471aba60c2d837fa728e7c729a0f52d5830
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+404c8471aba60c2d837fa728e7c729a0f52d5830" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hugh-hoang/hello-substrate
[INFO] finished tweaking git repo https://github.com/hugh-hoang/hello-substrate
[INFO] tweaked toml for git repo https://github.com/hugh-hoang/hello-substrate written to /workspace/builds/worker-97/source/Cargo.toml
[INFO] crate git repo https://github.com/hugh-hoang/hello-substrate already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+404c8471aba60c2d837fa728e7c729a0f52d5830" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-sync v0.1.2
[INFO] [stderr]   Downloaded hmac v0.7.0
[INFO] [stderr]   Downloaded yamux v0.1.7
[INFO] [stderr]   Downloaded parity-multiaddr v0.2.0
[INFO] [stderr]   Downloaded websocket v0.22.2
[INFO] [stderr]   Downloaded libp2p-core v0.4.0
[INFO] [stderr]   Downloaded libp2p-noise v0.2.0
[INFO] [stderr]   Downloaded libp2p-kad v0.4.0
[INFO] [stderr]   Downloaded libp2p-core-derive v0.4.0
[INFO] [stderr]   Downloaded libp2p-dns v0.4.0
[INFO] [stderr]   Downloaded libp2p-ping v0.4.0
[INFO] [stderr]   Downloaded libp2p-floodsub v0.4.0
[INFO] [stderr]   Downloaded libp2p-mdns v0.4.0
[INFO] [stderr]   Downloaded libp2p-mplex v0.4.0
[INFO] [stderr]   Downloaded libp2p-secio v0.4.0
[INFO] [stderr]   Downloaded libp2p v0.4.1
[INFO] [stderr]   Downloaded libp2p-yamux v0.4.0
[INFO] [stderr]   Downloaded libp2p-plaintext v0.4.0
[INFO] [stderr]   Downloaded libp2p-ratelimit v0.4.0
[INFO] [stderr]   Downloaded libp2p-websocket v0.4.0
[INFO] [stderr]   Downloaded libp2p-identify v0.4.0
[INFO] [stderr]   Downloaded libp2p-tcp v0.4.0
[INFO] [stderr]   Downloaded libp2p-uds v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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:a429bb59b7a3b4e7270a4b4c243bb115fc561d8f62ec34ef63a0a36cabf65dfd" "/opt/rustwide/cargo-home/bin/cargo" "+404c8471aba60c2d837fa728e7c729a0f52d5830" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 08035caba00c976c7bb91a2eae55020b6d84f1990ffe6dee6e604abd194793f2
[INFO] running `Command { std: "docker" "start" "-a" "08035caba00c976c7bb91a2eae55020b6d84f1990ffe6dee6e604abd194793f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08035caba00c976c7bb91a2eae55020b6d84f1990ffe6dee6e604abd194793f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08035caba00c976c7bb91a2eae55020b6d84f1990ffe6dee6e604abd194793f2", kill_on_drop: false }`
[INFO] [stdout] 08035caba00c976c7bb91a2eae55020b6d84f1990ffe6dee6e604abd194793f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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:a429bb59b7a3b4e7270a4b4c243bb115fc561d8f62ec34ef63a0a36cabf65dfd" "/opt/rustwide/cargo-home/bin/cargo" "+404c8471aba60c2d837fa728e7c729a0f52d5830" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 17e23dfc5bade37f7cabbabe215a3fcf2d315b5a69fa859286b8f7fcf6349eae
[INFO] running `Command { std: "docker" "start" "-a" "17e23dfc5bade37f7cabbabe215a3fcf2d315b5a69fa859286b8f7fcf6349eae", 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] [stderr]    Compiling libc v0.2.48
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling lazy_static v1.2.0
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling either v1.5.1
[INFO] [stderr]    Compiling smallvec v0.6.9
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling serde v1.0.88
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling opaque-debug v0.2.2
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling futures v0.1.25
[INFO] [stderr]    Compiling crunchy v0.1.6
[INFO] [stderr]    Compiling rustc-demangle v0.1.13
[INFO] [stderr]    Compiling arrayref v0.3.5
[INFO] [stderr]    Compiling heapsize v0.4.2
[INFO] [stderr]    Compiling subtle v2.0.0
[INFO] [stderr]    Compiling untrusted v0.6.2
[INFO] [stderr]    Compiling constant_time_eq v0.1.3
[INFO] [stderr]    Compiling crunchy v0.2.1
[INFO] [stderr]    Compiling hash-db v0.11.0
[INFO] [stderr]    Compiling rustc-hex v2.0.1
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling keccak v0.1.0
[INFO] [stderr]    Compiling proc-macro-hack-impl v0.4.1
[INFO] [stderr]    Compiling static_assertions v0.2.5
[INFO] [stderr]    Compiling memory_units v0.3.0
[INFO] [stderr]    Compiling base58 v0.1.0
[INFO] [stderr]    Compiling byte-tools v0.2.0
[INFO] [stderr]    Compiling lazycell v1.2.1
[INFO] [stderr]    Compiling environmental v1.0.0
[INFO] [stderr]    Compiling sha1 v0.6.0
[INFO] [stderr]    Compiling integer-sqrt v0.1.2
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling itoa v0.4.3
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]    Compiling httparse v1.3.3
[INFO] [stderr]    Compiling subtle v1.0.0
[INFO] [stderr]    Compiling openssl v0.10.16
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling protobuf v2.3.0
[INFO] [stderr]    Compiling bs58 v0.2.2
[INFO] [stderr]    Compiling data-encoding v2.1.2
[INFO] [stderr]    Compiling slog v2.4.1
[INFO] [stderr]    Compiling once_cell v0.1.8
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]    Compiling parity-bytes v0.1.0 (https://github.com/paritytech/parity-common?rev=b0317f649ab2c665b7987b8475878fc4d2e1f81d#b0317f64)
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling native-tls v0.2.2
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling safemem v0.3.0
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling termcolor v1.0.4
[INFO] [stderr]    Compiling bindgen v0.43.2
[INFO] [stderr]    Compiling traitobject v0.1.0
[INFO] [stderr]    Compiling typeable v0.1.2
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]    Compiling static_slice v0.0.3
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling nohash-hasher v0.1.1
[INFO] [stderr]    Compiling quick-error v0.1.4
[INFO] [stderr]    Compiling make-cmd v0.1.0
[INFO] [stderr]    Compiling linked-hash-map v0.4.2
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling string v0.1.3
[INFO] [stderr]    Compiling linked-hash-map v0.5.1
[INFO] [stderr]    Compiling unicode-segmentation v1.2.1
[INFO] [stderr]    Compiling interleaved-ordered v0.1.1
[INFO] [stderr]    Compiling names v0.11.0
[INFO] [stderr]    Compiling hex v0.3.2
[INFO] [stderr]    Compiling nix v0.11.0
[INFO] [stderr]    Compiling sysinfo v0.8.0
[INFO] [stderr]    Compiling target_info v0.1.0
[INFO] [stderr]    Compiling xdg v2.2.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.3
[INFO] [stderr]    Compiling owning_ref v0.3.3
[INFO] [stderr]    Compiling unicase v2.2.0
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling sr-std v0.1.0 (https://github.com/paritytech/substrate.git?rev=1ca4cc0a16a357782bb1028bb57376594ca232a0#1ca4cc0a)
[INFO] [stderr]    Compiling sr-io v0.1.0 (https://github.com/paritytech/substrate.git?rev=1ca4cc0a16a357782bb1028bb57376594ca232a0#1ca4cc0a)
[INFO] [stderr]    Compiling safe-mix v1.0.0
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling snow v0.5.1
[INFO] [stderr]    Compiling sr-sandbox v0.1.0 (https://github.com/paritytech/substrate.git?rev=1ca4cc0a16a357782bb1028bb57376594ca232a0#1ca4cc0a)
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling nom v4.2.0
[INFO] [stderr] error: could not compile `regex`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name build_script_build /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-1.1.0/build.rs --error-format=json --json=diagnostic-rendered-ansi,future-incompat --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="use_std"' -C metadata=507f8a788c8d9d53 -C extra-filename=-507f8a788c8d9d53 --out-dir /opt/rustwide/target/debug/build/regex-507f8a788c8d9d53 -L dependency=/opt/rustwide/target/debug/deps --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" "17e23dfc5bade37f7cabbabe215a3fcf2d315b5a69fa859286b8f7fcf6349eae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17e23dfc5bade37f7cabbabe215a3fcf2d315b5a69fa859286b8f7fcf6349eae", kill_on_drop: false }`
[INFO] [stdout] 17e23dfc5bade37f7cabbabe215a3fcf2d315b5a69fa859286b8f7fcf6349eae