[INFO] updating cached repository https://github.com/enfipy/substrate-offchain-example
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 57118dabce3dbfefc902a0ff5f0d509c3f53e5a4
[INFO] checking enfipy/substrate-offchain-example against try#3738e44c8fffe9e1fdfda9304a4df74ce7b29152 for pr-68746
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fenfipy%2Fsubstrate-offchain-example" "/workspace/builds/worker-13/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/enfipy/substrate-offchain-example on toolchain 3738e44c8fffe9e1fdfda9304a4df74ce7b29152
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3738e44c8fffe9e1fdfda9304a4df74ce7b29152" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/enfipy/substrate-offchain-example
[INFO] removed workspace from git repo https://github.com/enfipy/substrate-offchain-example
[INFO] removed path dependency runtime from git repo https://github.com/enfipy/substrate-offchain-example
[INFO] finished tweaking git repo https://github.com/enfipy/substrate-offchain-example
[INFO] tweaked toml for git repo https://github.com/enfipy/substrate-offchain-example written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/enfipy/substrate-offchain-example already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3738e44c8fffe9e1fdfda9304a4df74ce7b29152" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] warning: dependency (runtime) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-13/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3738e44c8fffe9e1fdfda9304a4df74ce7b29152" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Updating git repository `https://github.com/paritytech/substrate.git`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3738e44c8fffe9e1fdfda9304a4df74ce7b29152" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] warning: dependency (runtime) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded async-task v1.3.1
[INFO] [stderr]   Downloaded broadcaster v1.0.0
[INFO] [stderr]   Downloaded async-std v1.5.0
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+3738e44c8fffe9e1fdfda9304a4df74ce7b29152" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 123843c686714962b56b2189733bd347c37ec6bdaa30ff2000bf9d76b809a47f
[INFO] running `"docker" "start" "-a" "123843c686714962b56b2189733bd347c37ec6bdaa30ff2000bf9d76b809a47f"`
[INFO] [stderr] warning: dependency (runtime) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling subtle v2.2.2
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]     Checking byte-slice-cast v0.3.5
[INFO] [stderr]     Checking parity-wasm v0.41.0
[INFO] [stderr]     Checking sp-std v2.0.0 (https://github.com/paritytech/substrate.git?rev=e267d210178e646996dffafb6cd0c8b9d4a4b87f#e267d210)
[INFO] [stderr]     Checking environmental v1.1.1
[INFO] [stderr]    Compiling tiny-keccak v2.0.1
[INFO] [stderr]     Checking base58 v0.1.0
[INFO] [stderr]     Checking unsigned-varint v0.3.0
[INFO] [stderr]    Compiling protobuf v2.8.1
[INFO] [stderr]     Checking integer-sqrt v0.1.3
[INFO] [stderr]     Checking futures-io v0.3.1
[INFO] [stderr]     Checking futures-sink-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.58
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling constant_time_eq v0.1.5
[INFO] [stderr]    Compiling bumpalo v3.1.2
[INFO] [stderr]    Compiling wasm-bindgen v0.2.58
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking nohash-hasher v0.1.3
[INFO] [stderr]     Checking parity-send-wrapper v0.1.0
[INFO] [stderr]     Checking ipnet v2.2.0
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]     Checking futures-timer v2.0.2
[INFO] [stderr]    Compiling bindgen v0.49.4
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]     Checking once_cell v1.3.1
[INFO] [stderr]     Checking interleaved-ordered v0.1.1
[INFO] [stderr]    Compiling sysinfo v0.9.6
[INFO] [stderr]    Compiling names v0.11.0
[INFO] [stderr]    Compiling sc-consensus-slots v0.8.0 (https://github.com/paritytech/substrate.git?rev=e267d210178e646996dffafb6cd0c8b9d4a4b87f#e267d210)
[INFO] [stderr]     Checking target_info v0.1.0
[INFO] [stderr]    Compiling substrate-build-script-utils v2.0.0 (https://github.com/paritytech/substrate.git?rev=e267d210178e646996dffafb6cd0c8b9d4a4b87f#e267d210)
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking tracing-core v0.1.9
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.3
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking trie-root v0.15.2
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]     Checking linked_hash_set v0.1.3
[INFO] [stderr]     Checking lru v0.1.17
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking get_if_addrs v0.5.3
[INFO] [stderr]     Checking async-task v1.3.1
[INFO] [stderr]     Checking fs-swap v0.2.4
[INFO] [stderr]     Checking rpassword v4.0.5
[INFO] [stderr]     Checking fdlimit v0.1.2
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[INFO] [stderr]     Checking dns-parser v0.8.0
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling parking_lot_core v0.5.0
[INFO] [stderr]    Compiling parking_lot v0.8.0
[INFO] [stderr]    Compiling snow v0.6.2
[INFO] [stderr]     Checking tokio v0.2.11
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking blake2-rfc v0.2.18
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]     Checking uint v0.8.2
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[INFO] [stderr]     Checking block-buffer v0.7.3
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[INFO] [stderr]     Checking stream-cipher v0.3.2
[INFO] [stderr]     Checking wasm-timer v0.1.3
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking kv-log-macro v1.0.4
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking ctrlc v3.1.3
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]     Checking cuckoofilter v0.3.2
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling clear_on_drop v0.2.3
[INFO] [stderr]    Compiling ring v0.16.10
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]     Checking wasmi-validation v0.3.0
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking aes-soft v0.3.3
[INFO] [stderr]     Checking twofish v0.2.0
[INFO] [stderr]     Checking globset v0.4.4
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]     Checking ctr v0.3.2
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]     Checking pbkdf2 v0.3.0
[INFO] [stderr]     Checking blake2 v0.8.1
[INFO] [stderr]     Checking sha2 v0.8.1
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking sha3 v0.8.2
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking aes-ctr v0.3.0
[INFO] [stderr]     Checking hmac-drbg v0.2.0
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[INFO] [stderr]     Checking twox-hash v1.5.0
[INFO] [stderr]     Checking backtrace-sys v0.1.32
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking parity-multihash v0.2.1
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking rw-stream-sink v0.1.2
[INFO] [stderr]     Checking libsecp256k1 v0.3.4
[INFO] [stderr]     Checking backtrace v0.3.43
[INFO] [stderr]     Checking tokio-threadpool v0.1.17
[INFO] [stderr]     Checking rayon-core v1.7.0
[INFO] [stderr]     Checking ws v0.9.1
[INFO] [stderr]     Checking tokio-reactor v0.1.11
[INFO] [stderr]     Checking kvdb-memorydb v0.1.2
[INFO] [stderr]     Checking flate2 v1.0.13
[INFO] [stderr]     Checking unsigned-varint v0.2.3
[INFO] [stderr]     Checking yamux v0.2.2
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking futures-timer v0.4.0
[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking tokio-sync v0.2.0-alpha.6
[INFO] [stderr]     Checking sp-panic-handler v2.0.0 (https://github.com/paritytech/substrate.git?rev=e267d210178e646996dffafb6cd0c8b9d4a4b87f#e267d210)
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking multistream-select v0.6.1
[INFO] [stderr]     Checking parity-multihash v0.1.3
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]     Checking tokio-udp v0.1.5
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking once_cell v0.1.8
[INFO] [stderr]     Checking wasmi v0.6.2
[INFO] [stderr]     Checking futures-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking soketto v0.2.3
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking tokio-executor v0.2.0-alpha.6
[INFO] [stderr]     Checking romio v0.3.0-alpha.10
[INFO] [stderr]     Checking juliex v0.3.0-alpha.8
[INFO] [stderr]     Checking runtime-raw v0.3.0-alpha.5
[INFO] [stderr]     Checking futures-timer v0.3.0
[INFO] [stderr]     Checking tokio-dns-unofficial v0.4.0
[INFO] [stderr]     Checking runtime-native v0.3.0-alpha.6
[INFO] [stderr]    Compiling libp2p-core-derive v0.13.0
[INFO] [stderr]     Checking webpki v0.21.2
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]    Compiling curve25519-dalek v1.2.3
[INFO] [stderr]     Checking ct-logs v0.6.0
[INFO] [stderr]     Checking rustls v0.16.0
[INFO] [stderr]     Checking webpki-roots v0.18.0
[INFO] [stderr]     Checking webpki-roots v0.17.0
[INFO] [stderr]     Checking hyper v0.12.35
[INFO] [stderr]     Checking x25519-dalek v0.5.2
[INFO] [stderr]     Checking tokio-rustls v0.10.3
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.58
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]     Checking hyper-rustls v0.17.1
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.58
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling zeroize_derive v1.0.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling sp-debug-derive v2.0.0 (https://github.com/paritytech/substrate.git?rev=e267d210178e646996dffafb6cd0c8b9d4a4b87f#e267d210)
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.1.3
[INFO] [stderr]    Compiling asn1_der_derive v0.1.2
[INFO] [stderr]    Compiling malloc_size_of_derive v0.1.1
[INFO] [stderr]    Compiling derive_more v0.99.2
[INFO] [stderr]    Compiling strum_macros v0.16.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.6
[INFO] [stderr]    Compiling slog_derive v0.2.0
[INFO] [stderr]    Compiling rustversion v1.0.2
[INFO] [stderr]    Compiling pin-project-internal v0.4.8
[INFO] [stderr]    Compiling runtime-attributes v0.3.0-alpha.6
[INFO] [stderr]     Checking zeroize v1.1.0
[INFO] [stderr]     Checking curve25519-dalek v2.0.0
[INFO] [stderr]     Checking merlin v1.3.0
[INFO] [stderr]     Checking parity-util-mem v0.2.1
[INFO] [stderr]     Checking asn1_der v0.6.3
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]    Compiling const-random-macro v0.1.8
[INFO] [stderr]    Compiling paste-impl v0.1.6
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]    Compiling hex-literal-impl v0.2.1
[INFO] [stderr]     Checking schnorrkel v0.8.5
[INFO] [stderr]     Checking tiny-bip39 v0.6.2
[INFO] [stderr]     Checking ed25519-dalek v1.0.0-pre.3
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling proc-macro-error v0.4.8
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.8
[INFO] [stderr]     Checking const-random v0.1.8
[INFO] [stderr]     Checking tracing v0.1.12
[INFO] [stderr]     Checking hex-literal v0.2.1
[INFO] [stderr]     Checking ahash v0.2.18
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.58
[INFO] [stderr]     Checking substrate-bip39 v0.3.1
[INFO] [stderr]     Checking paste v0.1.6
[INFO] [stderr]     Checking hashbrown v0.6.3
[INFO] [stderr]     Checking strum v0.16.0
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]     Checking trie-db v0.16.0
[INFO] [stderr]     Checking memory-db v0.15.3
[INFO] [stderr]     Checking lru v0.4.3
[INFO] [stderr] error: could not compile `serde_derive`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name serde_derive /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_derive-1.0.104/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C debuginfo=2 --cfg 'feature="default"' -C metadata=c6661ea98267ee01 -C extra-filename=-c6661ea98267ee01 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-90db1b2e6f33173c.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-3ba62d28eeed1a55.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-5b9d21aca08dc5eb.rlib --extern proc_macro --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 `"docker" "inspect" "123843c686714962b56b2189733bd347c37ec6bdaa30ff2000bf9d76b809a47f"`
[INFO] running `"docker" "rm" "-f" "123843c686714962b56b2189733bd347c37ec6bdaa30ff2000bf9d76b809a47f"`
[INFO] [stdout] 123843c686714962b56b2189733bd347c37ec6bdaa30ff2000bf9d76b809a47f