[INFO] updating cached repository https://github.com/PEshwar/rust_blockchain
[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] 7f75bb377d4e013a85e312714cc457ff36097e5b
[INFO] testing PEshwar/rust_blockchain against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPEshwar%2Frust_blockchain" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/PEshwar/rust_blockchain on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/PEshwar/rust_blockchain
[INFO] finished tweaking git repo https://github.com/PEshwar/rust_blockchain
[INFO] tweaked toml for git repo https://github.com/PEshwar/rust_blockchain written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/PEshwar/rust_blockchain already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] eab7c0eae707d302598900ca93f0f5ff189ec1ab7140cf2cbb827889bc9fd69f
[INFO] running `"docker" "start" "-a" "eab7c0eae707d302598900ca93f0f5ff189ec1ab7140cf2cbb827889bc9fd69f"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling serde v1.0.98
[INFO] [stderr]    Compiling protobuf v2.8.0
[INFO] [stderr]    Compiling bs58 v0.2.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.0
[INFO] [stderr]    Compiling syn v1.0.1
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.49
[INFO] [stderr]    Compiling bumpalo v2.5.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.49
[INFO] [stderr]    Compiling rustc-hex v2.0.1
[INFO] [stderr]    Compiling c_linked_list v1.1.1
[INFO] [stderr]    Compiling static_slice v0.0.3
[INFO] [stderr]    Compiling nohash-hasher v0.1.1
[INFO] [stderr]    Compiling quick-error v0.1.4
[INFO] [stderr]    Compiling parity-send-wrapper v0.1.0
[INFO] [stderr]    Compiling ipnet v2.0.0
[INFO] [stderr]    Compiling ring v0.14.6
[INFO] [stderr]    Compiling clear_on_drop v0.2.3
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling get_if_addrs v0.5.3
[INFO] [stderr]    Compiling snow v0.5.2
[INFO] [stderr]    Compiling dns-parser v0.8.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling uint v0.8.1
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling parking_lot_core v0.2.14
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling wasm-timer v0.1.2
[INFO] [stderr]    Compiling backtrace v0.3.34
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling stream-cipher v0.3.0
[INFO] [stderr]    Compiling digest v0.6.2
[INFO] [stderr]    Compiling crypto-mac v0.4.0
[INFO] [stderr]    Compiling block-buffer v0.2.0
[INFO] [stderr]    Compiling openssl v0.10.24
[INFO] [stderr]    Compiling chrono v0.4.7
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling cuckoofilter v0.3.2
[INFO] [stderr]    Compiling blake2 v0.8.0
[INFO] [stderr]    Compiling hmac v0.7.1
[INFO] [stderr]    Compiling aes-soft v0.3.3
[INFO] [stderr]    Compiling twofish v0.2.0
[INFO] [stderr]    Compiling ctr v0.3.2
[INFO] [stderr]    Compiling sha2 v0.8.0
[INFO] [stderr]    Compiling sha-1 v0.8.1
[INFO] [stderr]    Compiling sha3 v0.8.2
[INFO] [stderr]    Compiling asn1_der_derive v0.1.1
[INFO] [stderr]    Compiling libp2p-core-derive v0.12.0 (https://github.com/libp2p/rust-libp2p#c722963c)
[INFO] [stderr]    Compiling serde_derive v1.0.98
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling hmac v0.4.2
[INFO] [stderr]    Compiling sha2 v0.6.0
[INFO] [stderr]    Compiling parking_lot v0.5.5
[INFO] [stderr]    Compiling tokio-io v0.1.12
[INFO] [stderr]    Compiling http v0.1.18
[INFO] [stderr]    Compiling aes-ctr v0.3.0
[INFO] [stderr]    Compiling zeroize_derive v0.9.3
[INFO] [stderr]    Compiling hmac-drbg v0.1.2
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling curve25519-dalek v1.2.3
[INFO] [stderr]    Compiling crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling parking_lot_core v0.5.0
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling quote v1.0.0
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling libsecp256k1 v0.2.2
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling rw-stream-sink v0.1.2 (https://github.com/libp2p/rust-libp2p#c722963c)
[INFO] [stderr]    Compiling aio-limited v0.1.0
[INFO] [stderr]    Compiling tokio-stdin-stdout v0.1.5
[INFO] [stderr]    Compiling flate2 v1.0.11
[INFO] [stderr]    Compiling asn1_der v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.6.4
[INFO] [stderr]    Compiling tokio-threadpool v0.1.15
[INFO] [stderr]    Compiling crypto-hash v0.3.3
[INFO] [stderr]    Compiling parking_lot v0.8.0
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling unsigned-varint v0.2.2
[INFO] [stderr]    Compiling zeroize v0.9.3
[INFO] [stderr]    Compiling yamux v0.2.1
[INFO] [stderr]    Compiling parity-multihash v0.1.3 (https://github.com/libp2p/rust-libp2p#c722963c)
[INFO] [stderr]    Compiling multistream-select v0.5.0 (https://github.com/libp2p/rust-libp2p#c722963c)
[INFO] [stderr]    Compiling tokio-reactor v0.1.9
[INFO] [stderr]    Compiling tokio-fs v0.1.6
[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-1.0.98/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=2940823275cd8f94 -C extra-filename=-2940823275cd8f94 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-5784ddc7a5716111.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-31334cd4bfa58489.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-761603fc714a7314.rlib --extern proc_macro --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `http`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name http /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/http-0.1.18/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C debuginfo=2 -C metadata=df969cfa7231d069 -C extra-filename=-df969cfa7231d069 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bytes=/opt/rustwide/target/debug/deps/libbytes-dd9bcca7adb16565.rmeta --extern fnv=/opt/rustwide/target/debug/deps/libfnv-73f55f8a234ebd2d.rmeta --extern itoa=/opt/rustwide/target/debug/deps/libitoa-0d9b2c9addc04afb.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "eab7c0eae707d302598900ca93f0f5ff189ec1ab7140cf2cbb827889bc9fd69f"`
[INFO] running `"docker" "rm" "-f" "eab7c0eae707d302598900ca93f0f5ff189ec1ab7140cf2cbb827889bc9fd69f"`
[INFO] [stdout] eab7c0eae707d302598900ca93f0f5ff189ec1ab7140cf2cbb827889bc9fd69f