[INFO] fetching crate bitcoin-rpc 0.2.0...
[INFO] building bitcoin-rpc-0.2.0 against try#615edd3ad1cf6871c977dc900317cb6c2070fd6b for pr-97334
[INFO] extracting crate bitcoin-rpc 0.2.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate bitcoin-rpc 0.2.0 on toolchain 615edd3ad1cf6871c977dc900317cb6c2070fd6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bitcoin-rpc 0.2.0
[INFO] finished tweaking crates.io crate bitcoin-rpc 0.2.0
[INFO] tweaked toml for crates.io crate bitcoin-rpc 0.2.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "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" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "fetch" "--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-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" "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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2e35e693a72a7b2f4014defbb5331462c0a04b337af7411842239d3e270963e2
[INFO] running `Command { std: "docker" "start" "-a" "2e35e693a72a7b2f4014defbb5331462c0a04b337af7411842239d3e270963e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e35e693a72a7b2f4014defbb5331462c0a04b337af7411842239d3e270963e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e35e693a72a7b2f4014defbb5331462c0a04b337af7411842239d3e270963e2", kill_on_drop: false }`
[INFO] [stdout] 2e35e693a72a7b2f4014defbb5331462c0a04b337af7411842239d3e270963e2
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 328aacc1e3f57307c63df6457377b1c1cdf733468fa7dc88a2a056b2351c004a
[INFO] running `Command { std: "docker" "start" "-a" "328aacc1e3f57307c63df6457377b1c1cdf733468fa7dc88a2a056b2351c004a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling unicode-bidi v0.3.8
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling httparse v1.7.1
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling gimli v0.26.1
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling bech32 v0.3.2
[INFO] [stderr]    Compiling traitobject v0.0.1
[INFO] [stderr]    Compiling typeable v0.1.2
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-korean v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-japanese v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling miniz_oxide v0.5.3
[INFO] [stderr]    Compiling bitcoin-bech32 v0.5.1
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling encoding v0.2.33
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling secp256k1 v0.9.2
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling object v0.28.4
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling hpack v0.2.0
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling backtrace v0.3.65
[INFO] [stderr]    Compiling solicit v0.4.4
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling addr2line v0.17.0
[INFO] [stderr]    Compiling strason v0.4.0
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling cookie v0.2.5
[INFO] [stderr]    Compiling hyper v0.9.18
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling serde v0.6.15
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-1.0.96/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="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' -C metadata=bec89f46551f3b60 -C extra-filename=-bec89f46551f3b60 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-8cb96000c96f9250.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-6531c3c818581e12.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-b3c3eb1ebc033cd2.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "328aacc1e3f57307c63df6457377b1c1cdf733468fa7dc88a2a056b2351c004a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "328aacc1e3f57307c63df6457377b1c1cdf733468fa7dc88a2a056b2351c004a", kill_on_drop: false }`
[INFO] [stdout] 328aacc1e3f57307c63df6457377b1c1cdf733468fa7dc88a2a056b2351c004a