[INFO] cloning repository https://github.com/iExecBlockchainComputing/iexec-substrate-poc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iExecBlockchainComputing/iexec-substrate-poc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FiExecBlockchainComputing%2Fiexec-substrate-poc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FiExecBlockchainComputing%2Fiexec-substrate-poc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 76e56255aa4ec91349e4ac1d5dac04232c2f0338
[INFO] checking iExecBlockchainComputing/iexec-substrate-poc against master#7dc9ff5c629753b6930ecfe9a0446538b8e25fb7 for pr-85387
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FiExecBlockchainComputing%2Fiexec-substrate-poc" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/iExecBlockchainComputing/iexec-substrate-poc on toolchain 7dc9ff5c629753b6930ecfe9a0446538b8e25fb7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/iExecBlockchainComputing/iexec-substrate-poc
[INFO] finished tweaking git repo https://github.com/iExecBlockchainComputing/iexec-substrate-poc
[INFO] tweaked toml for git repo https://github.com/iExecBlockchainComputing/iexec-substrate-poc written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/iExecBlockchainComputing/iexec-substrate-poc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 903416ae30421d8e7448b0620276de0d6c462ea80a32e69d51ff2b6789f43327
[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" "903416ae30421d8e7448b0620276de0d6c462ea80a32e69d51ff2b6789f43327", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "903416ae30421d8e7448b0620276de0d6c462ea80a32e69d51ff2b6789f43327", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "903416ae30421d8e7448b0620276de0d6c462ea80a32e69d51ff2b6789f43327", kill_on_drop: false }`
[INFO] [stdout] 903416ae30421d8e7448b0620276de0d6c462ea80a32e69d51ff2b6789f43327
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e9e62d8d211164a02c7964480a7158ce66867a07cd26380e2be78602f36ac27c
[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" "e9e62d8d211164a02c7964480a7158ce66867a07cd26380e2be78602f36ac27c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.48
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling serde v1.0.88
[INFO] [stderr]     Checking opaque-debug v0.2.2
[INFO] [stderr]    Compiling crunchy v0.1.6
[INFO] [stderr]     Checking arrayref v0.3.5
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling heapsize v0.4.2
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking constant_time_eq v0.1.3
[INFO] [stderr]    Compiling subtle v2.0.0
[INFO] [stderr]     Checking spin v0.5.0
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling crunchy v0.2.1
[INFO] [stderr]     Checking rustc-hex v2.0.1
[INFO] [stderr]     Checking hash-db v0.11.0
[INFO] [stderr]     Checking static_assertions v0.2.5
[INFO] [stderr]     Checking byte-tools v0.2.0
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]     Checking environmental v1.0.0
[INFO] [stderr]     Checking integer-sqrt v0.1.2
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]    Compiling openssl v0.10.16
[INFO] [stderr]    Compiling protobuf v2.3.0
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]     Checking byteorder v0.4.2
[INFO] [stderr]     Checking bs58 v0.2.2
[INFO] [stderr]     Checking data-encoding v2.1.2
[INFO] [stderr]    Compiling slog v2.4.1
[INFO] [stderr]     Checking once_cell v0.1.8
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]     Checking parity-bytes v0.1.0 (https://github.com/paritytech/parity-common?rev=b0317f649ab2c665b7987b8475878fc4d2e1f81d#b0317f64)
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling bindgen v0.43.2
[INFO] [stderr]     Checking nohash-hasher v0.1.1
[INFO] [stderr]     Checking static_slice v0.0.3
[INFO] [stderr]     Checking quick-error v0.1.4
[INFO] [stderr]    Compiling make-cmd v0.1.0
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking linked-hash-map v0.4.2
[INFO] [stderr]     Checking indexmap v1.0.2
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]    Compiling rustc-demangle v0.1.13
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking interleaved-ordered v0.1.1
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]    Compiling sysinfo v0.8.0
[INFO] [stderr]     Checking target_info v0.1.0
[INFO] [stderr]     Checking termcolor v1.0.4
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling backtrace v0.3.13
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]     Checking block-padding v0.1.3
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]     Checking tokio-sync v0.1.1
[INFO] [stderr]    Compiling proc-macro2 v0.3.5
[INFO] [stderr]    Compiling proc-macro-hack v0.4.1
[INFO] [stderr]     Checking trie-root v0.11.0
[INFO] [stderr]     Checking humantime v1.2.0
[INFO] [stderr]     Checking crossbeam-utils v0.6.5
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking owning_ref v0.4.0
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]     Checking block-buffer v0.3.3
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]    Compiling unicase v2.2.0
[INFO] [stderr]    Compiling clang-sys v0.26.4
[INFO] [stderr]    Compiling regex-syntax v0.6.5
[INFO] [stderr]     Checking rand_jitter v0.1.3
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]     Checking app_dirs v1.2.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]     Checking lru-cache v0.1.1
[INFO] [stderr]    Compiling hex-literal-impl v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling sr-std v0.1.0 (https://github.com/paritytech/substrate.git?rev=ed2faf445f8849e8d90ddadc684ac2658819e55f#ed2faf44)
[INFO] [stderr]    Compiling sr-io v0.1.0 (https://github.com/paritytech/substrate.git?rev=ed2faf445f8849e8d90ddadc684ac2658819e55f#ed2faf44)
[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=ed2faf445f8849e8d90ddadc684ac2658819e55f#ed2faf44)
[INFO] [stderr]     Checking generic-array v0.8.3
[INFO] [stderr]     Checking generic-array v0.9.0
[INFO] [stderr]     Checking smallvec v0.6.8
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking want v0.0.6
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking digest v0.8.0
[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]    Compiling quote v0.5.2
[INFO] [stderr]     Checking tokio-executor v0.1.6
[INFO] [stderr]     Checking tiny-keccak v1.4.2
[INFO] [stderr]     Checking digest v0.6.2
[INFO] [stderr]     Checking crypto-mac v0.4.0
[INFO] [stderr]     Checking block-buffer v0.2.0
[INFO] [stderr]    Compiling digest v0.7.6
[INFO] [stderr]     Checking hash256-std-hasher v0.11.0
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]     Checking elastic-array v0.10.0
[INFO] [stderr]     Checking memory-db v0.11.0
[INFO] [stderr]     Checking crypto-mac v0.6.2
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking crossbeam-channel v0.3.8
[INFO] [stderr]     Checking unicode-normalization v0.1.8
[INFO] [stderr]     Checking ctr v0.3.0
[INFO] [stderr]     Checking blake2 v0.8.0
[INFO] [stderr]     Checking hmac v0.4.2
[INFO] [stderr]     Checking tokio-timer v0.2.10
[INFO] [stderr]     Checking tokio-current-thread v0.1.4
[INFO] [stderr]     Checking slog-async v2.3.0
[INFO] [stderr]     Checking sha2 v0.6.0
[INFO] [stderr]     Checking sha2 v0.7.1
[INFO] [stderr]     Checking hmac v0.6.3
[INFO] [stderr]     Checking hex-literal v0.1.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling blake2-rfc v0.2.18
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]    Compiling num_cpus v1.10.0
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling which v1.0.5
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]     Checking hmac-drbg v0.1.2
[INFO] [stderr]     Checking crossbeam-epoch v0.7.1
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling nom v4.2.0
[INFO] [stderr]     Checking kvdb v0.1.0 (https://github.com/paritytech/parity-common?rev=b0317f649ab2c665b7987b8475878fc4d2e1f81d#b0317f64)
[INFO] [stderr]     Checking rand_os v0.1.2
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking fs-swap v0.2.4
[INFO] [stderr]     Checking fdlimit v0.1.1
[INFO] [stderr]     Checking nix v0.11.0
[INFO] [stderr]     Checking block-buffer v0.7.0
[INFO] [stderr]     Checking parity-wasm v0.31.3
[INFO] [stderr]     Checking uint v0.6.1
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking aes-soft v0.3.3
[INFO] [stderr]     Checking twofish v0.2.0
[INFO] [stderr]     Checking dns-parser v0.8.0
[INFO] [stderr]     Checking bigint v4.4.1
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]     Checking bytes v0.4.11
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr] error: could not compile `unicode-normalization`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name unicode_normalization /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/unicode-normalization-0.1.8/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=aefc171557abac48 -C extra-filename=-aefc171557abac48 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-53c775bd28c2ef60.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" "e9e62d8d211164a02c7964480a7158ce66867a07cd26380e2be78602f36ac27c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9e62d8d211164a02c7964480a7158ce66867a07cd26380e2be78602f36ac27c", kill_on_drop: false }`
[INFO] [stdout] e9e62d8d211164a02c7964480a7158ce66867a07cd26380e2be78602f36ac27c