[INFO] fetching crate pallet-dapps-staking 1.3.0...
[INFO] checking pallet-dapps-staking-1.3.0 against beta-2020-07-24 for pr-75494-beta
[INFO] extracting crate pallet-dapps-staking 1.3.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate pallet-dapps-staking 1.3.0 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pallet-dapps-staking 1.3.0
[INFO] finished tweaking crates.io crate pallet-dapps-staking 1.3.0
[INFO] tweaked toml for crates.io crate pallet-dapps-staking 1.3.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", 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] 919c1752bfa47cf4db9c692e6177c1987961885ee2ddfc5dd7495d3e3b30e648
[INFO] running `Command { std: "docker" "start" "-a" "919c1752bfa47cf4db9c692e6177c1987961885ee2ddfc5dd7495d3e3b30e648", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "919c1752bfa47cf4db9c692e6177c1987961885ee2ddfc5dd7495d3e3b30e648", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "919c1752bfa47cf4db9c692e6177c1987961885ee2ddfc5dd7495d3e3b30e648", kill_on_drop: false }`
[INFO] [stdout] 919c1752bfa47cf4db9c692e6177c1987961885ee2ddfc5dd7495d3e3b30e648
[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=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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 94affc8d29d1b0007833036c172804a6e91bce272ce8db939ee6ec4122e612e5
[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" "94affc8d29d1b0007833036c172804a6e91bce272ce8db939ee6ec4122e612e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking safe-mix v1.0.1
[INFO] [stderr]    Compiling hex-literal-impl v0.2.2
[INFO] [stderr]    Compiling wabt-sys v0.8.0
[INFO] [stderr]     Checking pwasm-utils v0.14.0
[INFO] [stderr]    Compiling sp-npos-elections-compact v2.0.0-rc6
[INFO] [stderr]     Checking sp-sandbox v0.8.0-rc6
[INFO] [stderr]     Checking sp-runtime v2.0.0-rc6
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking hex-literal v0.2.1
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking wasm-timer v0.2.4
[INFO] [stderr]     Checking sp-npos-elections v2.0.0-rc6
[INFO] [stderr]     Checking sp-version v2.0.0-rc6
[INFO] [stderr]     Checking frame-support v2.0.0-rc6
[INFO] [stderr]     Checking sp-staking v2.0.0-rc6
[INFO] [stderr] error: could not compile `syn`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.15.44/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata,link -Cembed-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"' -C metadata=fab28718ff60e657 -C extra-filename=-fab28718ff60e657 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-1c8cd06d03ec2d01.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-179b18ceb2cbc452.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-de12218e15042935.rmeta --cap-lints allow --cap-lints=forbid --cfg syn_can_match_trailing_dollar --cfg syn_can_use_thread_id --cfg syn_can_use_associated_constants --cfg syn_can_call_macro_by_path --cfg syn_disable_nightly_tests` (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" "94affc8d29d1b0007833036c172804a6e91bce272ce8db939ee6ec4122e612e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94affc8d29d1b0007833036c172804a6e91bce272ce8db939ee6ec4122e612e5", kill_on_drop: false }`
[INFO] [stdout] 94affc8d29d1b0007833036c172804a6e91bce272ce8db939ee6ec4122e612e5
