[INFO] fetching crate tc-rpc-server 2.0.0...
[INFO] testing tc-rpc-server-2.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate tc-rpc-server 2.0.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate tc-rpc-server 2.0.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tc-rpc-server 2.0.0
[INFO] finished tweaking crates.io crate tc-rpc-server 2.0.0
[INFO] tweaked toml for crates.io crate tc-rpc-server 2.0.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7dea746371c3488297a332b16741ddeb9db8402e2c9258771d18d79b58aca34a
[INFO] running `Command { std: "docker" "start" "-a" "7dea746371c3488297a332b16741ddeb9db8402e2c9258771d18d79b58aca34a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7dea746371c3488297a332b16741ddeb9db8402e2c9258771d18d79b58aca34a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7dea746371c3488297a332b16741ddeb9db8402e2c9258771d18d79b58aca34a", kill_on_drop: false }`
[INFO] [stdout] 7dea746371c3488297a332b16741ddeb9db8402e2c9258771d18d79b58aca34a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3c9aeb6d92c795f7011210e17574f2dd2232a5f4374c57a1cb6bf4903dfc410
[INFO] running `Command { std: "docker" "start" "-a" "e3c9aeb6d92c795f7011210e17574f2dd2232a5f4374c57a1cb6bf4903dfc410", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling funty v1.1.0
[INFO] [stderr]    Compiling futures-sink v0.3.17
[INFO] [stderr]    Compiling tetcore-std v2.1.2
[INFO] [stderr]    Compiling tetsy-wasm v0.41.0
[INFO] [stderr]    Compiling tetsy-hash-db v0.15.3
[INFO] [stderr]    Compiling tetsy-util-mem v0.9.1
[INFO] [stderr]    Compiling downcast-rs v1.2.0
[INFO] [stderr]    Compiling environ v1.1.3
[INFO] [stderr]    Compiling winapi v0.3.9
[INFO] [stderr]    Compiling mio-named-pipes v0.1.7
[INFO] [stderr]    Compiling prometheus v0.10.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling tokio-service v0.1.0
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling parking_lot_core v0.7.2
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling http-body v0.3.1
[INFO] [stderr]    Compiling tokio v0.2.25
[INFO] [stderr]    Compiling tetsy-hash256-std-hasher v0.15.3
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]    Compiling ctor v0.1.21
[INFO] [stderr]    Compiling debug-derive v2.1.2
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling hyper v0.12.36
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling tokio-timer v0.2.13
[INFO] [stderr]    Compiling tokio-current-thread v0.1.7
[INFO] [stderr]    Compiling tetsy-util-mem-derive v0.1.1
[INFO] [stderr]    Compiling thiserror v1.0.29
[INFO] [stderr]    Compiling ref-cast v1.0.6
[INFO] [stderr]    Compiling dyn-clonable v0.9.0
[INFO] [stderr]    Compiling panic-handler v2.1.2
[INFO] [stderr]    Compiling tetsy-trie-root v0.16.1
[INFO] [stderr]    Compiling zeroize v1.4.1
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling uint-crate v0.9.1
[INFO] [stderr]    Compiling tetsy-fixed-hash v0.7.1
[INFO] [stderr]    Compiling pbkdf2 v0.3.0
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling blocking v1.0.2
[INFO] [stderr]    Compiling async-executor v1.4.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stderr]    Compiling merlin v2.0.1
[INFO] [stderr]    Compiling curve25519-dalek v2.1.3
[INFO] [stderr]    Compiling curve25519-dalek v3.2.0
[INFO] [stderr]    Compiling secrecy v0.7.0
[INFO] [stderr]    Compiling tiny-bip39 v0.8.0
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]    Compiling sha-1 v0.8.2
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling bitvec v0.20.4
[INFO] [stderr]    Compiling http v0.1.21
[INFO] [stderr]    Compiling string v0.2.1
[INFO] [stderr]    Compiling tokio-buf v0.1.1
[INFO] [stderr]    Compiling crossbeam-deque v0.7.4
[INFO] [stderr]    Compiling miow v0.3.7
[INFO] [stderr]    Compiling libsecp256k1 v0.3.5
[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-0.2.25/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="fnv"' --cfg 'feature="futures-core"' --cfg 'feature="io-util"' --cfg 'feature="memchr"' --cfg 'feature="stream"' --cfg 'feature="sync"' -C metadata=d6dd80eb1c4abe4e -C extra-filename=-d6dd80eb1c4abe4e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bytes=/opt/rustwide/target/debug/deps/libbytes-a265f3aec633bc55.rmeta --extern fnv=/opt/rustwide/target/debug/deps/libfnv-d1dc8bedb5ffcb44.rmeta --extern futures_core=/opt/rustwide/target/debug/deps/libfutures_core-f3d5418223d2fe38.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-0f592fda00c64810.rmeta --extern pin_project_lite=/opt/rustwide/target/debug/deps/libpin_project_lite-7977404b19a2055c.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 `Command { std: "docker" "inspect" "e3c9aeb6d92c795f7011210e17574f2dd2232a5f4374c57a1cb6bf4903dfc410", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3c9aeb6d92c795f7011210e17574f2dd2232a5f4374c57a1cb6bf4903dfc410", kill_on_drop: false }`
[INFO] [stdout] e3c9aeb6d92c795f7011210e17574f2dd2232a5f4374c57a1cb6bf4903dfc410