[INFO] fetching crate somm_ethereum_gravity 0.1.0...
[INFO] testing somm_ethereum_gravity-0.1.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate somm_ethereum_gravity 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate somm_ethereum_gravity 0.1.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate somm_ethereum_gravity 0.1.0
[INFO] finished tweaking crates.io crate somm_ethereum_gravity 0.1.0
[INFO] tweaked toml for crates.io crate somm_ethereum_gravity 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d1eec16bf590a7c2392a0e849c789044e1ade565faf3dbdb5deab8cf93d58bd9
[INFO] running `Command { std: "docker" "start" "-a" "d1eec16bf590a7c2392a0e849c789044e1ade565faf3dbdb5deab8cf93d58bd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d1eec16bf590a7c2392a0e849c789044e1ade565faf3dbdb5deab8cf93d58bd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1eec16bf590a7c2392a0e849c789044e1ade565faf3dbdb5deab8cf93d58bd9", kill_on_drop: false }`
[INFO] [stdout] d1eec16bf590a7c2392a0e849c789044e1ade565faf3dbdb5deab8cf93d58bd9
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9620d795c81e852da8d7e293eeed400f2e16da57e91597525d8943de3eaad8b2
[INFO] running `Command { std: "docker" "start" "-a" "9620d795c81e852da8d7e293eeed400f2e16da57e91597525d8943de3eaad8b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling zeroize v1.5.3
[INFO] [stderr]    Compiling local-waker v0.1.2
[INFO] [stderr]    Compiling zstd-safe v4.1.4+zstd.1.5.2
[INFO] [stderr]    Compiling tokio-openssl v0.6.3
[INFO] [stderr]    Compiling block-padding v0.2.1
[INFO] [stderr]    Compiling language-tags v0.3.2
[INFO] [stderr]    Compiling base64ct v1.0.1
[INFO] [stderr]    Compiling rust_decimal v1.22.0
[INFO] [stderr]    Compiling bech32 v0.8.1
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling bytestring v1.0.0
[INFO] [stderr]    Compiling error v0.1.9
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling actix-service v2.0.2
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]    Compiling prost-derive v0.7.0
[INFO] [stderr]    Compiling flate2 v1.0.22
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling prost-derive v0.9.0
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling serde_bytes v0.11.5
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling actix-utils v3.0.0
[INFO] [stderr]    Compiling subtle-encoding v0.5.1
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling password-hash v0.3.2
[INFO] [stderr]    Compiling tokio v1.17.0
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling block-buffer v0.10.2
[INFO] [stderr]    Compiling crypto-common v0.1.3
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling openssl-sys v0.9.72
[INFO] [stderr]    Compiling backtrace v0.3.64
[INFO] [stderr]    Compiling zstd-sys v1.6.3+zstd.1.5.2
[INFO] [stderr]    Compiling secp256k1-sys v0.4.2
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling digest v0.10.3
[INFO] [stderr]    Compiling serde-rlp v0.1.4
[INFO] [stderr]    Compiling sha3 v0.9.1
[INFO] [stderr]    Compiling sha-1 v0.10.0
[INFO] [stderr]    Compiling sha2 v0.10.2
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling ripemd v0.1.1
[INFO] [stderr] error: could not compile `tokio`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name tokio --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-1.17.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="bytes"' --cfg 'feature="default"' --cfg 'feature="io-std"' --cfg 'feature="io-util"' --cfg 'feature="libc"' --cfg 'feature="macros"' --cfg 'feature="memchr"' --cfg 'feature="mio"' --cfg 'feature="net"' --cfg 'feature="once_cell"' --cfg 'feature="parking_lot"' --cfg 'feature="rt"' --cfg 'feature="signal"' --cfg 'feature="signal-hook-registry"' --cfg 'feature="socket2"' --cfg 'feature="sync"' --cfg 'feature="time"' --cfg 'feature="tokio-macros"' --cfg 'feature="winapi"' -C metadata=ffd6509c6332e5b9 -C extra-filename=-ffd6509c6332e5b9 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bytes=/opt/rustwide/target/debug/deps/libbytes-15b4425b0ed3b764.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-0df115c6f3232b87.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-bc7103d2fd7c9396.rmeta --extern mio=/opt/rustwide/target/debug/deps/libmio-8a18c6c864080326.rmeta --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-08c040c8ce3c280a.rmeta --extern parking_lot=/opt/rustwide/target/debug/deps/libparking_lot-f6db3dba84c9e4a5.rmeta --extern pin_project_lite=/opt/rustwide/target/debug/deps/libpin_project_lite-420daa249e18d18f.rmeta --extern signal_hook_registry=/opt/rustwide/target/debug/deps/libsignal_hook_registry-49f0f0d71fc3ffa5.rmeta --extern socket2=/opt/rustwide/target/debug/deps/libsocket2-83eba72fd570db7e.rmeta --extern tokio_macros=/opt/rustwide/target/debug/deps/libtokio_macros-a477546f8426b7e5.so --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" "9620d795c81e852da8d7e293eeed400f2e16da57e91597525d8943de3eaad8b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9620d795c81e852da8d7e293eeed400f2e16da57e91597525d8943de3eaad8b2", kill_on_drop: false }`
[INFO] [stdout] 9620d795c81e852da8d7e293eeed400f2e16da57e91597525d8943de3eaad8b2