[INFO] updating cached repository poanetwork/poa-ballot-stats
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/poanetwork/poa-ballot-stats
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/poanetwork/poa-ballot-stats" "work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/poanetwork/poa-ballot-stats"`
[INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/poanetwork/poa-ballot-stats'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/poanetwork/poa-ballot-stats" "work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/poanetwork/poa-ballot-stats"`
[INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/poanetwork/poa-ballot-stats'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 527d4070637fcfc850afe25478f0afa1e5910255
[INFO] sha for GitHub repo poanetwork/poa-ballot-stats: 527d4070637fcfc850afe25478f0afa1e5910255
[INFO] validating manifest of poanetwork/poa-ballot-stats on toolchain master#9f06855064ed06a50c496577b21ca50f92a2e67d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of poanetwork/poa-ballot-stats on toolchain try#d3301713b54af69ca9de941a8c6b0d8287dbd6df
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing poanetwork/poa-ballot-stats
[INFO] finished frobbing poanetwork/poa-ballot-stats
[INFO] frobbed toml for poanetwork/poa-ballot-stats written to work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/poanetwork/poa-ballot-stats/Cargo.toml
[INFO] started frobbing poanetwork/poa-ballot-stats
[INFO] finished frobbing poanetwork/poa-ballot-stats
[INFO] frobbed toml for poanetwork/poa-ballot-stats written to work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/poanetwork/poa-ballot-stats/Cargo.toml
[INFO] crate poanetwork/poa-ballot-stats already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking poanetwork/poa-ballot-stats against try#d3301713b54af69ca9de941a8c6b0d8287dbd6df for pr-61874
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61874/worker-6/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/poanetwork/poa-ballot-stats:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 6d060902efece9274238b5340e4d9ddbb4cc698ac8fa2d4f684b78560bbd58b8
[INFO] running `"docker" "start" "-a" "6d060902efece9274238b5340e4d9ddbb4cc698ac8fa2d4f684b78560bbd58b8"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]    Compiling rustc-hex v2.0.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.9
[INFO] [stderr]     Checking ethabi-contract v6.0.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]     Checking crossbeam-epoch v0.6.1
[INFO] [stderr]    Compiling crunchy v0.1.6
[INFO] [stderr]    Compiling heapsize v0.4.2
[INFO] [stderr]     Checking ethereum-types-serialize v0.2.1
[INFO] [stderr]     Checking tiny-keccak v1.4.2
[INFO] [stderr]     Checking uint v0.4.1
[INFO] [stderr]     Checking fixed-hash v0.2.5
[INFO] [stderr]     Checking crossbeam-deque v0.6.2
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]     Checking jsonrpc-core v8.0.1
[INFO] [stderr]     Checking ethbloom v0.5.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.9
[INFO] [stderr]     Checking ethereum-types v0.4.0
[INFO] [stderr]     Checking backtrace v0.3.12
[INFO] [stderr]     Checking error-chain v0.12.0
[INFO] [stderr]     Checking parse_duration v1.0.1
[INFO] [stderr]     Checking tokio-fs v0.1.4
[INFO] [stderr]     Checking tokio v0.1.13
[INFO] [stderr]     Checking ethabi v6.1.0
[INFO] [stderr]     Checking hyper v0.12.18
[INFO] [stderr]     Checking tokio-core v0.1.17
[INFO] [stderr]     Checking hyper-tls v0.3.1
[INFO] [stderr]     Checking web3 v0.5.1
[INFO] [stderr]    Compiling ethabi-derive v6.0.2
[INFO] [stderr]     Checking poa-ballot-stats v0.4.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/error.rs:8:1
[INFO] [stderr]    |
[INFO] [stderr] 8  | / error_chain! {
[INFO] [stderr] 9  | |     foreign_links {
[INFO] [stderr] 10 | |         Ethabi(ethabi::Error);
[INFO] [stderr] 11 | |         Web3(web3::Error);
[INFO] [stderr] ...  |
[INFO] [stderr] 23 | |     }
[INFO] [stderr] 24 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/error.rs:8:1
[INFO] [stderr]    |
[INFO] [stderr] 8  | / error_chain! {
[INFO] [stderr] 9  | |     foreign_links {
[INFO] [stderr] 10 | |         Ethabi(ethabi::Error);
[INFO] [stderr] 11 | |         Web3(web3::Error);
[INFO] [stderr] ...  |
[INFO] [stderr] 23 | |     }
[INFO] [stderr] 24 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/error.rs:8:1
[INFO] [stderr]    |
[INFO] [stderr] 8  | / error_chain! {
[INFO] [stderr] 9  | |     foreign_links {
[INFO] [stderr] 10 | |         Ethabi(ethabi::Error);
[INFO] [stderr] 11 | |         Web3(web3::Error);
[INFO] [stderr] ...  |
[INFO] [stderr] 23 | |     }
[INFO] [stderr] 24 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/error.rs:8:1
[INFO] [stderr]    |
[INFO] [stderr] 8  | / error_chain! {
[INFO] [stderr] 9  | |     foreign_links {
[INFO] [stderr] 10 | |         Ethabi(ethabi::Error);
[INFO] [stderr] 11 | |         Web3(web3::Error);
[INFO] [stderr] ...  |
[INFO] [stderr] 23 | |     }
[INFO] [stderr] 24 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 10s
[INFO] running `"docker" "inspect" "6d060902efece9274238b5340e4d9ddbb4cc698ac8fa2d4f684b78560bbd58b8"`
[INFO] running `"docker" "rm" "-f" "6d060902efece9274238b5340e4d9ddbb4cc698ac8fa2d4f684b78560bbd58b8"`
[INFO] [stdout] 6d060902efece9274238b5340e4d9ddbb4cc698ac8fa2d4f684b78560bbd58b8