[INFO] cloning repository https://github.com/enfipy/substrate-offchain-example
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/enfipy/substrate-offchain-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fenfipy%2Fsubstrate-offchain-example"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fenfipy%2Fsubstrate-offchain-example'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 57118dabce3dbfefc902a0ff5f0d509c3f53e5a4
[INFO] checking enfipy/substrate-offchain-example against try#e60d9e09c55855f5a848fde8ad83e13131a5b241 for pr-68350
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fenfipy%2Fsubstrate-offchain-example" "/workspace/builds/worker-12/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/enfipy/substrate-offchain-example on toolchain e60d9e09c55855f5a848fde8ad83e13131a5b241
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e60d9e09c55855f5a848fde8ad83e13131a5b241" "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-12/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" "+e60d9e09c55855f5a848fde8ad83e13131a5b241" "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-12/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" "+e60d9e09c55855f5a848fde8ad83e13131a5b241" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/paritytech/substrate.git`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e60d9e09c55855f5a848fde8ad83e13131a5b241" "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]     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 kvdb-rocksdb v0.2.0
[INFO] [stderr]   Downloaded exit-future v0.2.0
[INFO] [stderr]   Downloaded finality-grandpa v0.10.3
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+e60d9e09c55855f5a848fde8ad83e13131a5b241" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 98adb1d23d7a27b72a5209efdd32368d264497b837120be4c6a083e267456136
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "98adb1d23d7a27b72a5209efdd32368d264497b837120be4c6a083e267456136"`
[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]    Compiling proc-macro2 v1.0.8
[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 sp-std v2.0.0 (https://github.com/paritytech/substrate.git?rev=e267d210178e646996dffafb6cd0c8b9d4a4b87f#e267d210)
[INFO] [stderr]     Checking parity-wasm v0.41.0
[INFO] [stderr]    Compiling tiny-keccak v2.0.1
[INFO] [stderr]     Checking environmental v1.1.1
[INFO] [stderr]     Checking base58 v0.1.0
[INFO] [stderr]     Checking unsigned-varint v0.3.0
[INFO] [stderr]     Checking bs58 v0.3.0
[INFO] [stderr]     Checking integer-sqrt v0.1.3
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.58
[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 v2.1.0
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]    Compiling bindgen v0.49.4
[INFO] [stderr]     Checking interleaved-ordered v0.1.1
[INFO] [stderr]    Compiling sysinfo v0.9.6
[INFO] [stderr]    Compiling sc-consensus-slots v0.8.0 (https://github.com/paritytech/substrate.git?rev=e267d210178e646996dffafb6cd0c8b9d4a4b87f#e267d210)
[INFO] [stderr]    Compiling names v0.11.0
[INFO] [stderr]     Checking bs58 v0.2.5
[INFO] [stderr]    Compiling substrate-build-script-utils v2.0.0 (https://github.com/paritytech/substrate.git?rev=e267d210178e646996dffafb6cd0c8b9d4a4b87f#e267d210)
[INFO] [stderr]     Checking target_info v0.1.0
[INFO] [stderr]    Compiling num-rational v0.2.3
[INFO] [stderr]     Checking trie-root v0.15.2
[INFO] [stderr]     Checking linked_hash_set v0.1.3
[INFO] [stderr]     Checking lru v0.1.17
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking get_if_addrs v0.5.3
[INFO] [stderr]     Checking async-task v1.3.0
[INFO] [stderr]     Checking fs-swap v0.2.4
[INFO] [stderr]     Checking rpassword v4.0.5
[INFO] [stderr]     Checking fdlimit v0.1.1
[INFO] [stderr]    Compiling jobserver v0.1.19
[INFO] [stderr]     Checking hashbrown v0.1.8
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking dns-parser v0.8.0
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]    Compiling snow v0.6.2
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking bstr v0.2.10
[INFO] [stderr]     Checking tokio v0.2.10
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking uint v0.8.2
[INFO] [stderr]     Checking hash256-std-hasher v0.15.2
[INFO] [stderr]     Checking blake2-rfc v0.2.18
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling regex v1.3.3
[INFO] [stderr]     Checking wasm-timer v0.1.3
[INFO] [stderr]     Checking ctrlc v3.1.3
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking cuckoofilter v0.3.2
[INFO] [stderr]     Checking rand v0.6.5
[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 pbkdf2 v0.3.0
[INFO] [stderr]     Checking blake2 v0.8.1
[INFO] [stderr]     Checking twofish v0.2.0
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking globset v0.4.4
[INFO] [stderr]     Checking hmac-drbg v0.2.0
[INFO] [stderr]     Checking wasmi-validation v0.3.0
[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 quote v1.0.2
[INFO] [stderr]     Checking fixed-hash v0.5.2
[INFO] [stderr]     Checking twox-hash v1.5.0
[INFO] [stderr]     Checking ws v0.9.1
[INFO] [stderr]     Checking kvdb-memorydb v0.1.2
[INFO] [stderr]     Checking parity-multihash v0.2.1
[INFO] [stderr]     Checking libsecp256k1 v0.3.4
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.17
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking parking_lot_core v0.5.0
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking rw-stream-sink v0.1.2
[INFO] [stderr]     Checking tokio-reactor v0.1.11
[INFO] [stderr]     Checking wasmi v0.6.2
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]     Checking futures-timer v0.4.0
[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking broadcaster v0.2.6
[INFO] [stderr]     Checking tokio-sync v0.2.0-alpha.6
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking parking_lot v0.8.0
[INFO] [stderr]     Checking unsigned-varint v0.2.3
[INFO] [stderr]     Checking yamux v0.2.2
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]     Checking async-std v1.4.0
[INFO] [stderr]     Checking futures-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-udp v0.1.5
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking multistream-select v0.6.1
[INFO] [stderr]     Checking parity-multihash v0.1.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling clear_on_drop v0.2.3
[INFO] [stderr]    Compiling ring v0.16.9
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]     Checking once_cell v0.1.8
[INFO] [stderr]     Checking tokio-executor v0.2.0-alpha.6
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking romio v0.3.0-alpha.10
[INFO] [stderr]     Checking juliex v0.3.0-alpha.8
[INFO] [stderr]     Checking futures-timer v0.3.0
[INFO] [stderr]     Checking runtime-raw v0.3.0-alpha.5
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking flate2 v1.0.13
[INFO] [stderr]    Compiling libp2p-core-derive v0.13.0
[INFO] [stderr]     Checking runtime-native v0.3.0-alpha.6
[INFO] [stderr]    Compiling curve25519-dalek v1.2.3
[INFO] [stderr]     Checking tokio-dns-unofficial v0.4.0
[INFO] [stderr]    Compiling backtrace v0.3.42
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]     Checking soketto v0.2.3
[INFO] [stderr]     Checking sp-panic-handler v2.0.0 (https://github.com/paritytech/substrate.git?rev=e267d210178e646996dffafb6cd0c8b9d4a4b87f#e267d210)
[INFO] [stderr]     Checking hyper v0.12.35
[INFO] [stderr]     Checking x25519-dalek v0.5.2
[INFO] [stderr]     Checking webpki v0.21.0
[INFO] [stderr]     Checking sct v0.6.0
[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]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.58
[INFO] [stderr]    Compiling syn-mid v0.4.0
[INFO] [stderr]     Checking tokio-rustls v0.10.3
[INFO] [stderr]     Checking hyper-rustls v0.17.1
[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 pin-project-internal v0.4.7
[INFO] [stderr]    Compiling slog_derive v0.2.0
[INFO] [stderr]    Compiling rustversion v1.0.2
[INFO] [stderr]    Compiling runtime-attributes v0.3.0-alpha.6
[INFO] [stderr] error: could not compile `wasm-bindgen-backend`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name wasm_bindgen_backend --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/wasm-bindgen-backend-0.2.58/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C debuginfo=2 --cfg 'feature="spans"' -C metadata=7b50224fbe632da4 -C extra-filename=-7b50224fbe632da4 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bumpalo=/opt/rustwide/target/debug/deps/libbumpalo-ebc6355227696161.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-623bb0528207d06c.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-5ee4d95022f256da.rmeta --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-c5517171e79ce4a3.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-7446ae0387f80e33.rmeta --extern syn=/opt/rustwide/target/debug/deps/libsyn-a019cec74c9ef14c.rmeta --extern wasm_bindgen_shared=/opt/rustwide/target/debug/deps/libwasm_bindgen_shared-eb0aa72335ea0eaa.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: could not compile `sp-debug-derive`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name sp_debug_derive --edition=2018 /opt/rustwide/cargo-home/git/checkouts/substrate-7e08433d4c370a21/e267d21/primitives/debug-derive/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="std"' -C metadata=56a1fad753414f38 -C extra-filename=-56a1fad753414f38 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-c5517171e79ce4a3.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-7446ae0387f80e33.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-a019cec74c9ef14c.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: could not compile `tracing-attributes`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name tracing_attributes --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tracing-attributes-0.1.6/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C debuginfo=2 -C metadata=e6de878e89a2387f -C extra-filename=-e6de878e89a2387f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern quote=/opt/rustwide/target/debug/deps/libquote-7446ae0387f80e33.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-a019cec74c9ef14c.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: could not compile `strum_macros`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name strum_macros /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/strum_macros-0.16.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C debuginfo=2 -C metadata=6e20dd8841af1dba -C extra-filename=-6e20dd8841af1dba --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern heck=/opt/rustwide/target/debug/deps/libheck-13bb885eaf688888.rlib --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-c5517171e79ce4a3.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-7446ae0387f80e33.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-a019cec74c9ef14c.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" "98adb1d23d7a27b72a5209efdd32368d264497b837120be4c6a083e267456136"`
[INFO] running `"docker" "rm" "-f" "98adb1d23d7a27b72a5209efdd32368d264497b837120be4c6a083e267456136"`
[INFO] [stdout] 98adb1d23d7a27b72a5209efdd32368d264497b837120be4c6a083e267456136