[INFO] cloning repository https://github.com/paritytech/whisper
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/paritytech/whisper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fparitytech%2Fwhisper", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fparitytech%2Fwhisper'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e68b28c0ff8cacfc160f8c5dbc8dc56182155c00
[INFO] testing paritytech/whisper against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fparitytech%2Fwhisper" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/paritytech/whisper on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/paritytech/whisper
[INFO] removed workspace from git repo https://github.com/paritytech/whisper
[INFO] finished tweaking git repo https://github.com/paritytech/whisper
[INFO] tweaked toml for git repo https://github.com/paritytech/whisper written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/paritytech/whisper already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] error: the lock file /workspace/builds/worker-4/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[INFO] the lockfile is outdated, regenerating it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 `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/paritytech/parity-ethereum.git`
[INFO] [stderr] warning: fetching `master` branch from `https://github.com/paritytech/parity-ethereum.git` but the `HEAD` reference for this repository is not the `master` branch. This behavior will change in Cargo in the future and your build may break, so it's recommended to place `branch = "master"` in Cargo.toml when depending on this git repository to ensure that your build will continue to work.
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fc4464b50591b88f69dc7479cc84292aeae763bd29ed17f9b8032e8e1b3ad8ec
[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" "fc4464b50591b88f69dc7479cc84292aeae763bd29ed17f9b8032e8e1b3ad8ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc4464b50591b88f69dc7479cc84292aeae763bd29ed17f9b8032e8e1b3ad8ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc4464b50591b88f69dc7479cc84292aeae763bd29ed17f9b8032e8e1b3ad8ec", kill_on_drop: false }`
[INFO] [stdout] fc4464b50591b88f69dc7479cc84292aeae763bd29ed17f9b8032e8e1b3ad8ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b42174387bc56fee5f86b6c225e3917bb7bdd296e01f888fe880f10cbde86db1
[INFO] running `Command { std: "docker" "start" "-a" "b42174387bc56fee5f86b6c225e3917bb7bdd296e01f888fe880f10cbde86db1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling rustc-hex v2.1.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling radium v0.3.0
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling getrandom v0.2.1
[INFO] [stderr]    Compiling byte-slice-cast v0.3.5
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling heapsize v0.4.2
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling bytes v1.0.0
[INFO] [stderr]    Compiling hex v0.4.2
[INFO] [stderr]    Compiling static_assertions v0.2.5
[INFO] [stderr]    Compiling snap v1.0.3
[INFO] [stderr]    Compiling subtle v2.4.0
[INFO] [stderr]    Compiling zeroize v1.2.0
[INFO] [stderr]    Compiling ipnetwork v0.12.8
[INFO] [stderr]    Compiling time-utils v0.1.0 (https://github.com/paritytech/parity-ethereum.git#b02bc5d5)
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling lock_api v0.2.0
[INFO] [stderr]    Compiling secp256k1-sys v0.1.2
[INFO] [stderr]    Compiling clear_on_drop v0.2.4
[INFO] [stderr]    Compiling ring v0.14.6
[INFO] [stderr]    Compiling rlp v0.4.6
[INFO] [stderr]    Compiling bitvec v0.17.4
[INFO] [stderr]    Compiling rlp v0.5.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling parking_lot_core v0.7.2
[INFO] [stderr]    Compiling parking_lot_core v0.8.2
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling uint v0.8.5
[INFO] [stderr]    Compiling uint v0.9.0
[INFO] [stderr]    Compiling tiny-keccak v1.5.0
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling ripemd160 v0.8.0
[INFO] [stderr]    Compiling ctr v0.3.2
[INFO] [stderr]    Compiling ordered-float v0.5.2
[INFO] [stderr]    Compiling rand_core v0.6.1
[INFO] [stderr]    Compiling impl-rlp v0.2.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stderr]    Compiling impl-rlp v0.3.0
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling aes-ctr v0.3.0
[INFO] [stderr]    Compiling uint v0.7.1
[INFO] [stderr]    Compiling elastic-array v0.11.0
[INFO] [stderr]    Compiling tokio-codec v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling pbkdf2 v0.3.0
[INFO] [stderr]    Compiling fixed-hash v0.3.2
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling rand v0.8.1
[INFO] [stderr]    Compiling scrypt v0.2.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling tokio-fs v0.1.7
[INFO] [stderr]    Compiling secp256k1 v0.17.2
[INFO] [stderr]    Compiling fixed-hash v0.7.0
[INFO] [stderr]    Compiling timer v0.2.0
[INFO] [stderr]    Compiling fixed-hash v0.6.1
[INFO] [stderr]    Compiling parity-wordlist v1.3.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling impl-serde v0.3.1
[INFO] [stderr]    Compiling parity-scale-codec v1.3.5
[INFO] [stderr]    Compiling impl-serde v0.2.3
[INFO] [stderr]    Compiling parity-codec v3.5.4
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling ethbloom v0.6.4
[INFO] [stderr]    Compiling ethbloom v0.9.2
[INFO] [stderr]    Compiling ethbloom v0.10.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling impl-codec v0.2.0
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling parking_lot_core v0.5.0
[INFO] [stderr]    Compiling parking_lot v0.8.0
[INFO] [stderr]    Compiling primitive-types v0.3.0
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling tokio-reactor v0.1.12
[INFO] [stderr]    Compiling ethereum-types v0.6.0
[INFO] [stderr]    Compiling tokio-udp v0.1.6
[INFO] [stderr]    Compiling tokio-tcp v0.1.4
[INFO] [stderr]    Compiling tokio-uds v0.2.7
[INFO] [stderr]    Compiling zeroize_derive v0.9.3
[INFO] [stderr]    Compiling jsonrpc-derive v12.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling malloc_size_of_derive v0.1.2
[INFO] [stderr]    Compiling derive_more v0.99.11
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling impl-codec v0.4.2
[INFO] [stderr]    Compiling ethcore-io v1.12.0 (https://github.com/paritytech/parity-ethereum.git#b02bc5d5)
[INFO] [stderr]    Compiling primitive-types v0.7.3
[INFO] [stderr]    Compiling primitive-types v0.8.0
[INFO] [stderr]    Compiling zeroize v0.9.3
[INFO] [stderr]    Compiling ethereum-types v0.10.0
[INFO] [stderr]    Compiling ethereum-types v0.9.2
[INFO] [stderr]    Compiling parity-util-mem v0.1.0
[INFO] [stderr]    Compiling parity-crypto v0.6.2
[INFO] [stderr] error: could not compile `jsonrpc-derive`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name jsonrpc_derive --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/jsonrpc-derive-12.2.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C embed-bitcode=no -C debuginfo=2 -C metadata=7d4b731acf9579f4 -C extra-filename=-7d4b731acf9579f4 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro_crate=/opt/rustwide/target/debug/deps/libproc_macro_crate-409e806f418853ef.rlib --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-49e6735de3682b48.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-6d50a8ec5fa94fcb.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-f870da414f706d37.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: build failed
[INFO] running `Command { std: "docker" "inspect" "b42174387bc56fee5f86b6c225e3917bb7bdd296e01f888fe880f10cbde86db1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b42174387bc56fee5f86b6c225e3917bb7bdd296e01f888fe880f10cbde86db1", kill_on_drop: false }`
[INFO] [stdout] b42174387bc56fee5f86b6c225e3917bb7bdd296e01f888fe880f10cbde86db1